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This page is updated frequently with new Diplex-related patent applications. Subscribe to the Diplex RSS feed to automatically get the update: related Diplex RSS feeds. RSS updates for this page: Diplex RSS RSS



Date/App# patent app List of recent Diplex-related patents
08/13/15
20150229460 
 W-band combiner-splitter fabricated using 3-d printing patent thumbnailW-band combiner-splitter fabricated using 3-d printing
Methods and systems are disclosed for scalable antenna arrays that may be built up using pluggable tiles that have low distortion, flat band high gain, and structured to channelize the signals into narrow bands that may be 40 mhz or even smaller bandwidth apart. Antenna array tiles may employ traveling wave tube (twt) components and wafer scale arrays.

07/23/15
20150207525 
 Signal amplifiers that support moca communications at both active and passive output ports patent thumbnailSignal amplifiers that support moca communications at both active and passive output ports
Rf signal amplifiers are provided that include an rf input port, a power divider network having a plurality of active output ports, an active path connecting the rf input port to the power divider network, the active path including an upstream diplexer, a downstream diplexer and a power amplifier between the upstream diplexer and the downstream diplexer, a passive output port, a moca diplexer that is coupled to the passive output port, a passive path connecting the rf input port to the moca diplexer and a moca rejection filter between the power divider network and the active path.. .
Commscope, Inc. Of North Carolina


05/28/15
20150145614 
 Systems, circuits and methods related to low-loss bypass of a radio-frequency filter or diplexer patent thumbnailSystems, circuits and methods related to low-loss bypass of a radio-frequency filter or diplexer
Disclosed are systems, circuits and methods related to low-loss bypass of a radio-frequency (rf) filter or diplexer. In some embodiments, a switching network circuitry can include a first switch that has an input pole configured to receive a radio-frequency (rf) signal, a pass-through throw configured to be connectable to the input pole to allow routing of the rf signal to an rf component, and at least one dedicated bypass throw configured to be connectable to the input pole and at least one bypass conduction path.
Skyworks Solutions, Inc.


05/21/15
20150138960 
 Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption patent thumbnailSignal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption
Rf signal amplifiers are provided that include an rf input port, a switching device having an input that is coupled to the rf input port, a first output and a second output, a first diplexer having an input that is coupled to both the first output of the switching device and the second output of the switching device, and a first rf output port that is coupled to an output of the first diplexer. These amplifiers further include an attenuator that is coupled between the second output of the switching device and the input of the first diplexer..
Commscope, Inc. Of North Carolina


05/14/15
20150135252 
 Apparatus and  inserting electrical power or control signals into a diplexer circuit patent thumbnailApparatus and inserting electrical power or control signals into a diplexer circuit
An apparatus and method for applying signals into a filter circuit is disclosed. The apparatus includes a filter circuit that filters an input signal and outputs a signal in a first frequency range, and a filter circuit that filters the input signal and outputs a signal in a second frequency range that is different from the first frequency range, wherein the second filter circuit includes an interface circuit for inserting a signal used to receive the first frequency range signal.

05/14/15
20150131498 
 Hybrid diplexer and circulator frontend for gps receiver and satcom modem sharing common antenna patent thumbnailHybrid diplexer and circulator frontend for gps receiver and satcom modem sharing common antenna
A hybrid diplexer-circulator system including a circulator and a modified-diplexer is provided. The circulator includes a first circulator-port, a second circulator-port coupled to a first chain comprising a receiver module, and a third circulator-port coupled to a second chain comprising a satellite modem.

05/07/15
20150126120 
 Electronic system having shared antenna structure for receiving signals corresponding to various frequency bands patent thumbnailElectronic system having shared antenna structure for receiving signals corresponding to various frequency bands
An electronic system includes a shared antenna, a diplexer and a processing circuit. The shared antenna corresponds to a first frequency band and a second frequency band, wherein the first frequency band meets a wireless radio frequency identification (rfid) standard, and the second frequency band meets a near field communication (nfc) standard.
Iei Integration Corp.


04/30/15
20150117281 
 Rf diplexer patent thumbnailRf diplexer
Embodiments of a tunable radio frequency (rf) diplexer and methods of operating the same are disclosed. In one embodiment, the rf diplexer includes a first hybrid coupler, a second hybrid coupler, an rf filter circuit, and a phase inversion component.
Rf Micro Devices, Inc.


04/30/15
20150117280 
 Broadband isolation low-loss ism/mb-hb tunable diplexer patent thumbnailBroadband isolation low-loss ism/mb-hb tunable diplexer
Embodiments of a tunable radio frequency (rf) diplexer and methods of duplexing transmission and receive signals are disclosed. In one embodiment, the rf diplexer includes a first hybrid coupler, a second hybrid coupler, and an rf filter circuit, and a phase inversion component.
Rf Micro Devices, Inc.


04/16/15
20150105120 
 Communication  supporting multiple wireless communication technologies patent thumbnailCommunication supporting multiple wireless communication technologies
A communication apparatus is provided. The communication apparatus includes a first antenna configured to transmit and receive at least one of a signal of a first communication network and a signal of a second communication network, a second antenna configured to receive one of the signal of the first communication network and the signal of the second communication network, a first diplexer connected to the first antenna to separate the signal that is received through the first antenna into a high-band signal and a low-band signal based on a specific frequency and to output the separated signals, and a signal control unit configured to change communication paths of the high-band signal, the low-band signal, and the signal that is received through the second antenna according to a combination of frequency bands supported in a network..
Samsung Electronics Co., Ltd.


04/16/15
20150103762 

Mobile communication method, radio base station, and mobile station


The present invention aims to reduce an insertion loss or the like caused by a diplexer inserted to reduce leakage from an uplink bandwidth to a downlink bandwidth of different bands, and thereby to improve a communication quality. A mobile communication method according to the present invention includes the steps of: transmitting simultaneous transmission capability information from a mobile station ue to a radio base station enb, the simultaneous transmission capability information indicating whether or not the mobile station ue is able to transmit uplink data signal via multiple carriers in multiple bands within a same sub-frame in performing uplink ca; performing scheduling for the mobile station ue by the radio base station enb based on the simultaneous transmission capability information; and performing communications by the mobile station ue based on the scheduling information..
Ntt Docomo, Inc.


04/02/15
20150092622 

Diplexer elimination in microwave point-to-point fdd systems


A circulator based transceiver sharing a common antenna between a receive signal path and a transmit signal path is disclosed. Techniques to reduce coupled transmit signals and coupled transmit noise in a receive signal path, implemented in a variety of embodiments is disclosed allowing elimination of a diplexer, simplification of circulator design and reduction of transceiver cost.
Broadcom Corporation


04/02/15
20150091775 

Diplexer and manufacturing the same


A diplexer may include a diplexer circuit unit including a first branch operating in a first frequency band and a second branch operating in a second frequency band, a static-electricity protection circuit unit connected to at least one of the first branch and the second branch in parallel so as to discharge static electricity flowing in the first or second branch toward an avoidance path, and a compensation circuit unit connected to at least one of the first branch and second branch so as to compensate for degradation caused by the static-electricity protection circuit unit.. .
Samsung Electro-mechanics Co., Ltd.


03/26/15
20150087246 

Tunable rf diplexer


A first rf diplexer, which includes a first rf highpass with tunable notch filter and a first rf lowpass with tunable notch filter, is disclosed. The first rf diplexer has a first main port, a second main port, and a first common port.
Rf Micro Devices, Inc.


03/26/15
20150085724 

High linearity rf diplexer


A first rf diplexer, which includes a first hybrid rf coupler, a second hybrid rf coupler, a first rf filter, and a second rf filter, is disclosed. The first hybrid rf coupler has a first main port, a first in-phase port, a first quadrature-phase port, and a first isolation port, which is coupled to a primary rf antenna.
Rf Micro Devices, Inc.


03/26/15
20150085708 

Carrier aggregation using multiple antennas


Rf front-end circuitry, which includes rf switching and duplexing circuitry, a first rf diplexer, and a second rf diplexer, is disclosed. The rf switching and duplexing circuitry operates in one of a group of rf transmit modes, such that the group of rf transmit modes includes at least one transmit uplink carrier aggregation mode.
Rf Micro Devices, Inc.


03/19/15
20150077195 

Ultra-broadband diplexer using waveguide and planar transmission lines


A hybrid diplexer combining planar transmission line(s) and a waveguide is disclosed. In one embodiment, a diplexer includes first, second, and third ports.
National Instruments Corporation


02/19/15
20150048900 

Electrical component


An electrical component, e.g., a diplexer or a duplexer, can have one of a number of diverse arrangements for terminal surfaces on the substrate bottom. For example, the terminal surfaces for first and second filters are not disposed at the maximum distance from one another.
Epcos Ag


01/29/15
20150028965 

Diplexer including two bandpass filters


A diplexer includes a first bandpass filter provided between an input terminal and a first output terminal and selectively passing a signal in a first frequency band, and a second bandpass filter provided between the input terminal and a second output terminal and selectively passing a signal in a second frequency band. The first bandpass filter includes a plurality of first resonators.
Tdk Corporation


01/22/15
20150023268 

Mobile communication method, radio base station, and mobile station


An objective is to improve communication quality by reducing an insertion loss or the like of a diplexer inserted to reduce a leakage from an uplink band to a downlink band in different bands. A mobile communication method according to the present invention includes the steps of: transmitting simultaneous transmission capability information from a mobile station ue to a radio base station enb, the simultaneous transmission capability information indicating whether or not the mobile station ue can transmit uplink data signals via multiple carriers in the same sub-frame while performing uplink ca; performing scheduling for the mobile station ue by the radio base station enb on the basis of the simultaneous transmission capability information; and performing communication by the mobile station ue on the basis of the scheduling information..
Ntt Docomo, Inc.


01/08/15
20150009088 

Diplexing and triplexing of loop antennas


An antenna system comprising a plurality of loop antenna sets with each of the plurality of loop antenna sets disposed in one of a plurality of different parallel planes with each of the planes being spaced apart from another adjacent plane and wherein loop antenna set in the plurality of loop antenna sets comprises a plurality of loop antennas and wherein the plurality of loop antennas are configured such that the near field inductive coupling between the plurality of loop antenna sets is zero. The absence of inductive coupling between the loop elements provides a frequency-independent means for multiplexing signals for transmission and reception by the multiple loop antenna system..
Raytheon Company


12/25/14
20140376417 

Carrier aggregation arrangement using triple antenna arrangement


Front end circuitry includes at least three antenna nodes, a first duplexer, a second duplexer, a first diplexer, transceiver circuitry, and front end switching circuitry. The transceiver circuitry is coupled to the first duplexer, the second duplexer, and the first diplexer.
Rf Micro Devices, Inc.


12/04/14
20140354372 

Systems for reducing magnetic coupling in integrated circuits (ics), and related components and methods


Systems for reducing magnetic coupling in integrated circuits (ics) are disclosed. Related components and methods are also disclosed.

11/27/14
20140347144 

Systems and methods for manufacturing passive waveguide components


Various embodiments are directed toward systems and method for manufacturing low cost passive waveguide components. For example, various embodiments relate to low cost manufacturing of passive waveguide components, including without limitation, waveguide filters, waveguide diplexers, waveguide multiplexers, waveguide bends, waveguide transitions, waveguide spacers, and antenna adapters.

11/20/14
20140340268 

Diplex filter for testing base system


An diplex filter for testing a base station is disclosed. The diplex filter for testing a base station in accordance with an embodiment of the present invention includes: a housing comprised with a first connector and a second connector which are connected to a base station, and a third connector connected with the antenna, wherein the first, the second and the third connectors bi-directionally transmit/receive signals; a band pass filter unit comprised in one inside in the housing, transmitting signals between the first and third connectors to pass predetermined frequency bands; a band reject filter unit comprised in the other inside in the housing, transmitting signals between the second and third connectors to reject predetermined frequency bands; and a coupling block disposed between the band pass filter unit and the band reject filter unit, and coupled the band pass filter unit and the band reject filter unit with the third connector, and to move the signal distortion phenomenon occurring due to unnecessary signals included in the signals to frequency bands other than predetermined frequency bands..

11/13/14
20140334362 

Tunable diplexer


A tunable diplexer includes a high band port, a low band port, an antenna port, a high pass filter, and a low pass filter. The high pass filter is coupled between the high band port and the antenna port, and is configured to pass signals within a high pass band between the high band port and the antenna port.

11/06/14
20140327496 

Tunable diplexers in three-dimensional (3d) integrated circuits (ic) (3dic) and related components and methods


Tunable diplexers in three-dimensional (3d) integrated circuits (ic) (3dic) are disclosed. In one embodiment, the tunable diplexer may be formed by providing one of either a varactor or a variable inductor in the diplexer.

10/30/14
20140320238 

Coupled line system with controllable transmission behaviour


The invention relates two lines each with two terminals. A first line provides a first terminal and a second terminal.

10/09/14
20140300430 

Ultra-broadband planar millimeter-wave mixer with multi-octave if bandwidth


In some embodiments, a system may include a passive uniplanar single-balanced millimeter-wave mixer. In some embodiments, a three-port diode-tee ic forming a mixer core is coupled between an end of a slotline balun and a second coplanar balun.

10/02/14
20140294399 

Laser relay for free space optical communications


A laser relay module for free space optical communications including an optical telescope for receiving and transmitting optical beams; an optical diplexer for separating transmitting and received optical beams; an optical amplifier; a modulated beacon laser for line of sight control of a plurality of communicating remote network nodes; a beacon beam detector for detecting an incoming beacon optical beam for line of sight control of the optical telescope and receiving data from other network nodes; and means for inserting an output of the modulated beacon laser into the optical telescope for transmission to another network node, and for transporting the incoming beacon optical beam to the beacon detector.. .

09/18/14
20140273887 

Tunable ila and dila matching for simultaneous high and low band operation


A method and system configures a wireless communication device to support simultaneous signal propagation using a single narrow band antenna. An antenna tuner controller (atc) configures a tunable low band matching circuit to provide a first antenna matching in order to support propagation of a low band signal with a first signal path.

09/04/14
20140247535 

Low passive inter-modulation capacitor


A high power, low passive inter-modulation capacitor is presented, which is formed using metal clad substrates, which are broad-side coupled through a thin air gap. Each substrate may include metal layers affixed on both sides which are electrical coupled together to form a single capacitor plate, or each substrate may have only a single metal layer on the surface adjacent to the air gap.

08/28/14
20140240058 

Laminated waveguide diplexer


A laminated waveguide diplexer includes a first laminated waveguide, a second laminated waveguide, and a coupling metal connecting the first and second laminated waveguides. The first laminated waveguide has a first upper conductor with a first slot, and the second laminated waveguide has a second upper conductor with a second slot.

08/21/14
20140233441 

Diplexer and transceiver thereof


A diplexer, for coupling a first radio frequency (rf) signal corresponding to a first carrier frequency and a second rf signal corresponding to a second carrier frequency is disclosed. The diplexer includes a first port arranged to couple the first rf signal; a second port arranged to couple the second rf signal; a third port capable of connecting an antenna; a first impedance unit coupled to the first port and the third port; and a second impedance unit coupled to the second port and the third port; wherein the first port, the second port and the third port are coupled to a direct current (dc) ground; wherein the first impedance unit is arranged to provide an first open-circuit impedance against the second rf signal, and the second impedance unit is arranged to provide a second open-circuit impedance against the first rf signal..

07/24/14
20140203887 

Module


A module includes: a diplexer that includes a first terminal, a second terminal, and a common terminal coupled to an antenna; a first switch that is coupled to the first terminal, includes first ports, and selects, from the first ports, and connects one port to the diplexer; a first duplexer that is coupled to at least one of the first ports; a second duplexer that is coupled to the second terminal and has a passband different from a passband of the first duplexer; and a first impedance portion that is coupled to another port of the first ports.. .

07/17/14
20140198835 

Method and system for a multi-standard receiver


A multi-standard receiver may comprise in an electronic device, receiving an input radio frequency (rf) signal comprising at least two rf signals of different communication standards. The input rf signal may be separated into two signals based on their different communication standard sand configurable gain levels may be applied to equalize their magnitudes.

07/17/14
20140197902 

Diplexer design using through glass via technology


A diplexer includes a substrate having a set of through substrate vias. The diplexer also includes a first set of traces on a first surface of the substrate.

07/03/14
20140185498 

Method and tuning a communication device for multi band operation


In one example, a wireless communication device adapted for multi-band operation includes a first antenna, a first diplexer configured to pass signals within first and second sets of frequency bands, first and second signal paths, wherein each signal path includes a set of notch filters tunable to attenuate a different frequency. The wireless communication device includes a second antenna, a second diplexer configured to pass the first and second frequency bands, third and fourth signal paths, wherein each of the third and fourth signal paths includes one or more notch filters tunable to attenuate a different frequency, and a transceiver coupled to each signal path..

07/03/14
20140184355 

Laminated waveguide diplexer with shielded signal-coupling structure


A laminated waveguide diplexer includes an upper conductive layer having a first slot and a second slot; a first line crossing over the first slot; a first shielding conductor disposed over the first line; a plurality of first conductive pillars connecting the upper conductive layer and the first shielding conductor; a second line crossing over the second slot; a second shielding conductor disposed over the second line; and a plurality of second conductive pillars connecting the upper conductive layer and the second shielding conductor.. .

06/26/14
20140177493 

Power amplifying circuit and front end module including the same


There are provided a power amplifying circuit and a front end module including the same. The power amplifying circuit includes a signal amplifying unit amplifying and outputting a plurality of wireless signals having different frequency bands, and a diplexer circuit transferring at least one of the plurality of wireless signals output from the signal amplifying unit to an antenna, wherein the signal amplifying unit and the diplexer circuit include impedance matching circuits having different impedance matching ranges, respectively, and the impedance matching range of the diplexer circuit is continuous with that of the signal amplifying unit..

06/19/14
20140170993 

Radio frequency communication


A bidirectional radio frequency communication unit includes: a transmit modem; a receive modem; an rf transceiver circuit; a coupling waveguide arrangement; and an antenna. The rf transceiver circuit transmits and receives at rf frequencies greater than or equal to 50 ghz.

06/19/14
20140169243 

Mobile communication circuitry for three or more antennas


Communication circuitry is disclosed that is capable of switching between three or more antennas while providing low harmonic interference during carrier aggregation. In one embodiment, a communication system includes a first switch with two poles and four throws, a second switch with two poles and four throws, and four diplexers associated with four antennas.

06/19/14
20140168518 

Radio frequency communication


A point-to-point radio frequency (rf) communication system having one or more communication units coupled to respective television cameras and displays; and a further communication unit; wherein the units transmit video data to the further communication unit at frequencies greater than or equal to 50 ghz and at data rates greater than or equal to 1 gigabit/second; and the units receive video data transmitted by the further communication unit at frequencies greater than or equal to 50 ghz and at data rates 250 megabits/second. The units can each include an antenna with a waveguide diplexer and an rf transceiver circuit board having sufficient transmit/receive isolation for the transmitting and receiving to take place point-to-point at distances greater than or equal to 1 km..

05/15/14
20140133364 

Antenna interface circuits with quadplexers


Techniques for supporting data transmission and reception on multiple bands for carrier aggregation are disclosed. In an exemplary design, an apparatus (e.g., a wireless device) includes first and second antenna interface circuits coupled to first and second antennas, respectively.

05/01/14
20140119245 

Shared lte-ism rf front-end and antenna


A front-end module and antenna can be shared between two radio transceivers operating in coexistent radio frequency (rf) communication bands. For example, a first of the two radio transceivers may operate in one of a long term evolution (lte) band or an industrial scientific medical (ism) band, while a second of the two radio transceivers may operate in an alternative one of the lte band and the ism band.

04/10/14
20140098722 

Radio-frequency transceiver device in wireless communication system


A radio-frequency transceiver device, used in a wireless communication system, includes a housing; a first printed circuit board, disposed on a first surface of the housing; a second printed circuit board, disposed on a second surface of the housing, for cooperating with the first printed circuit board to process a receive signal; and a waveguide, connected to the housing, having an orthomode transducer, having a common port, for conveying a transmit signal and the receive signal; a first low-pass filter, coupled to a co-polar port of the orthomode transducer; and a diplexer, coupled to a cross-polar port of the orthomode transducer, for cooperating with the first low-pass filter to separate the transmit signal and the receive signal; wherein connection of the housing and the waveguide substantially conforms to an l shape.. .

04/10/14
20140097913 

Multi-mode filter


The present invention relates to a multi-mode filter comprising a carrier on which is mounted a dielectric resonator having a covering of an electrically conductive material in which there is provided an aperture and a coupling structure for coupling input signals to the dielectric resonator or for extracting filtered output signals from the dielectric resonator. The carrier is provided with an enclosing formation of electrically conductive material, which enclosing formation is electrically coupled to the electrically conductive covering of the dielectric resonator, such that the covering and the enclosing formation together form an electrically conductive enclosure for the dielectric resonator.

04/03/14
20140092795 

Tunable diplexer for carrier aggregation applications


A tunable diplexer includes a high pass filter, a low pass filter, a high band port, a low band port, and an antenna port. The high pass filter is adapted to pass high band signals falling within a high pass band between the high band port and the antenna port, while attenuating signals outside of the high pass band.

02/27/14
20140055209 

Front-end circuit and communication terminal apparatus


A front-end circuit includes a diplexer and an impedance conversion circuit. The diplexer includes a feeding side common port through which a high-frequency signal in a high band and a high-frequency signal in a low band are input and output, a first port through which a high-frequency signal in a high band is input and output, and a second port through which a high-frequency signal in a low band is input and output, and demultiplexes or multiplexes the high-frequency signal in a low band and the high-frequency signal in a high band.

02/06/14
20140036744 

Switchable diplexer with physical layout to provide improved isolation


A switchable diplexer includes a plurality of bandpass filters having passbands for the frequency bands in which communication across a communication channel is desired. The bandpass filters can be arranged in groups of bandpass filters located adjacent to one another physically.

02/06/14
20140035700 

Cascaded diplexer circuit


A cascaded diplexer to create a cascaded diplexer leg with selectable passbands has a cascaded diplexer circuit. The diplexer circuit has a plurality of first bandpass filters, each having a passband.

02/06/14
20140035699 

Combined network switching and filter system and method


A switchable filter and diplexer circuit includes a plurality of bandpass filters having passbands for the frequency bands in which communication across a communication channel is desired and a plurality of diplexers, the diplexers having a plurality of passbands. A plurality of switches are provided to select one of the bandpass filters or diplexers from among the plurality of bandpass filters and diplexers for communication on a communication channel.

01/23/14
20140022958 

Printed circuit board and diplexer circuit


A printed circuit board 100 for forming a diplexer circuit 200 comprising a first connector 110 for connecting a first filter 112 and second connector 120 for connecting a second filter 122, wherein the first connector 110 and the second connector 120 are located on opposite sides of the printed circuit board 100.. .

01/23/14
20140022137 

Antenna and multi-beam antenna system comprising compact feeds and satellite telecommunication system comprising at least one such antenna


A multi-beam antenna comprises an array of feeds illuminating a reflector, the feeds being associated in a plurality of groups. Each feed comprises a polarizer, two diplexers and four ports operating in four different colours.

01/16/14
20140018697 

Heating/sensing catheter minimally invasive application


Catheter apparatus comprises a coaxial cable having proximal and distal ends. The cable includes a hollow center conductor, an outer conductor and an electrically insulating layer between the conductors.

01/16/14
20140016523 

User equipment and mobile communication system


User equipment includes a diplexer that separates an uplink frequency band from a downlink frequency band of different component carriers (ccs); a duplexer that separates an uplink frequency band from a downlink frequency band of each of ccs; a reference value calculation unit that calculates a lower limit and, at least, a reference value being greater than the lower limit using control information from a base station; and a transmitter that transmits an uplink signal with transmission power calculated from the reference value while using a radio resource specified by the control signal in the uplink frequency bands of one or more of the ccs, wherein, when the control signal specifies the radio resource of two or more of the ccs, the lower limit is less than that in a case where the control signal specifies the radio resource of less than two of the ccs.. .

01/09/14
20140012132 

Heating/sensing catheter appratus for minimally invasive applications


Catheter apparatus comprises a coaxial cable having proximal and distal ends. The cable includes a hollow center conductor, an outer conductor and an electrically insulating layer between the conductors.

12/26/13
20130343245 

Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption


Rf signal amplifiers are provided that include an rf input port, a switching device having an input that is coupled to the rf input port, a first output and a second output, a first diplexer having an input that is coupled to both the first output of the switching device and the second output of the switching device, and a first rf output port that is coupled to an output of the first diplexer. These amplifiers further include an attenuator that is coupled between the second output of the switching device and the input of the first diplexer..

12/26/13
20130342272 

Signal amplifiers that switch to an attenuated or alternate communications path in response to a power interruption


Rf signal amplifiers are provided that include an rf input port, a switching device having an input that is coupled to the rf input port, a first output and a second output, a first diplexer having an input that is coupled to both the first output of the switching device and the second output of the switching device, and a first rf output port that is coupled to an output of the first diplexer. These amplifiers further include an attenuator that is coupled between the second output of the switching device and the input of the first diplexer..

12/19/13
20130338661 

Tissue impedance measurement using a secondary frequency


An microwave ablation system includes a generator including a first energy source, a second energy source and a diplexer, the diplexer multiplexes a first energy from the first energy source and a second energy from the second energy source. The system also includes a cable including a center conductor and an outer sheath where the multiplexed energy is transmitted through the center conductor.

12/19/13
20130337754 

Front end switching circuitry for carrier aggregation


This disclosure relates generally to radio frequency (rf) front-end circuitry for different types of carrier aggregation, along with methods of operating the same. In one embodiment, the rf front-end circuitry includes a first diplexer, a second diplexer, first antenna selection circuitry, and second antenna selection circuitry.

12/19/13
20130336181 

Dual antenna integrated carrier aggregation front end solution


Radio frequency front end circuitry comprises a first antenna port, a second antenna port, antenna switching circuitry, a first diplexer, and a second diplexer. The antenna switching circuitry is coupled to each of the first antenna port and the second antenna port through the first diplexer and the second diplexer, respectively.

11/28/13
20130314171 

Switchable frequency diplexer circuit


An electronic circuit comprises a high-pass and a low-pass. The low-pass comprises at least one low-pass series element and a low-pass transverse element.

11/07/13
20130294302 

Broadband antenna and radio base station system for process-ing at least two frequency bands or radio standards in a radio communications system


The present invention refers to a broadband antenna configured for processing at least two frequency bands or radio standards in a radio communications system, the broadband antenna including at least one column, the column including at least one antenna element, a first phase shifter configured for phase shifting a first frequency band or radio standard and a second phase shifter configured for phase shifting a second frequency band or radio standard, and a diplexer configured for diplexing the phase shifted first and second frequency bands or radio standards, including two inputs and one output, with the first phase shifter and the second phase shifter being coupled to the two inputs, and the antenna element being coupled to the output. The invention further refers to a radio base station system including a broadband antenna according to the invention..

10/31/13
20130285859 

Multilevel antennae


A multi-band antenna includes at least one structure useable at multiple frequency ranges. The structure includes at least two levels of detail, with one level of detail making up another level of detail.

10/31/13
20130285765 

Broad band diplexer using suspended strip-line capacitor technology


A broad band diplexer employing suspended strip-line capacitors is disclosed. The diplexer has a low pass filter circuit and a high band pass filter circuit.

10/24/13
20130281851 

Heating/sensing catheter minimally invasive applications


Catheter apparatus comprises a coaxial cable having proximal and distal ends. The cable includes a hollow center conductor, an outer conductor and an electrically insulating layer between the conductors.

10/17/13
20130271239 

Diplexer


The invention discloses a diplexer formed from the combination of a first filter and a second filter, wherein both the first filter and the second filter have at least one through-hole via inductor. The diplexer has an input terminal to receive an input signal.

10/17/13
20130271237 

Diplexer for homodyne fmcw-radar device


A diplexer for a homodyne fmcw-radar device, which is distinguished by small dimensions of its hollow conductor structure and therefore can be manufactured simply and cost effectively. The hollow conductor structures of the diplexer can be cut out from two half shells, and the latter joined to form the diplexer.

10/03/13
20130261616 

Patient isolation in a microwave-radio frequency generator


The present disclosure provides an ablation system. The ablation system includes a generator having a first energy source that supplies a first type of energy to tissue.

10/03/13
20130258916 

Wireless communication device with extendable rod antenna


A wireless communication device includes a body, an antenna, a first baseband microchip, a second baseband microchip, and a diplexer. The antenna is telescopically assembled to the body to receive a first wireless signal and a second wireless signal.

09/26/13
20130250819 

Carrier aggregation front end architecture


Radio frequency (rf) front end circuitry includes a notch diplexer. The notch diplexer includes a high pass filter coupled between a high band port and an antenna port, and a low pass notch filter coupled between a low band port and the antenna port.

09/26/13
20130249651 

Dielectric resonator filters, methods of manufacturing the same and diplexer/multiplexers using dielectric resonator filters


A dielectric resonator filter and a method of manufacturing the same are disclosed. The dielectric resonator includes a metal housing having a top surface and a bottom surface and defining a resonator cavity, and a dielectric rod located within the resonator cavity.

09/19/13
20130241556 

Detuning a receive coil for a magnetic resonance device including a number of coil elements


A detuning apparatus for a receive coil for a magnetic resonance device includes a number of coil elements. The coil elements may be selectively connected to a receive channel of a data processing apparatus by way of a switching apparatus.

08/29/13
20130222700 

Scanning algorithm for embedded network devices


A system and method is provided for selective filtering of transmissions based on information received from a tuner. An embedded diplexer in a consumer electronic device allows the device to be used in a variety of different signal environments.

08/22/13
20130215576 

Microwave module


The present application relates to a microwave module comprising a printed circuit board, a first housing part, a second housing part, and a diplexer. It is specifically proposed that the first and second housing parts are adapted to act as a shielding cover, and that the diplexer and its filter are an integrated part in the module and are made out of the shielding cover and the printed circuit board..

06/27/13
20130162486 

Switchable diversity antenna apparatus and methods


An active diversity antenna apparatus and methods of tuning and utilizing the same. In one embodiment, the active diversity antenna is used within a handheld mobile device (e.g., cellular telephone or smartphone), and enables device operation in several low frequency bands (lbs).

05/16/13
20130125182 

Tunable rf return path filter with automatic channel plan detection


A method and computing device that provides a tunable rf filter for a two-way communication system. The method receives a downstream video signal, and filters the downstream video signal into at least one downstream bandwidth band, each downstream bandwidth band related to desired upstream/downstream bandwidth splits.

04/25/13
20130100879 

Forward and reverse calibration for ground-based beamforming


Methods and systems for calibrating the return and forward links of a satellite communication system are provided according to embodiments of the invention. The phase and/or amplitude variations caused by the return and forward links are calculated and/or estimated to aid in beamforming, such as ground-based beamforming.

04/11/13
20130088307 

Orthomode transducer


An orthomode transducer (omt) operable in a broadband (e.g. >30%), including a frequency above ˜30 ghz, with an isolation better than −50 db, cross-polarizations better than −40 db, an insertion loss between −0.1 and −0.3 db for both polarizations, and return losses better than −25 db can be produced substantially or entirely from cnc machining, comprises a turnstile for coupling a polarization diplexed waveguide with four waveguide paths; and two e-plane y junctions each for coupling initially oppositely directed pairs of the waveguide paths such that each waveguide path has a same electrical length from the turnstile to the e-plane y junctions as the waveguide path with which it is paired, such that the omt is formed in 3-6 blocks, including a single block having a substantially planar mating surface that includes the matching feature, and defines one side of initial segments of the four waveguide paths.

03/28/13
20130077540 

Communication device for simultaneous transmission by multiple transceivers


A communication device reduces intermodulation interference in a simultaneous transmitter using a notch diplexing arrangement. The communication device has a radio front-end module with more than one transceiver for simultaneous transmission with opposing transmit (tx) band notch filters in series with each duplexer output, and phase rotations into and out of the notch filters suitable for diplexing at the notch filter outputs..

03/21/13
20130069197 

Semiconductor device and forming rf fem with lc filter and ipd filter over substrate


A semiconductor device has a substrate and rf fem formed over the substrate. The rf fem includes an lc low-pass filter having an input coupled for receiving a transmit signal.

03/14/13
20130064149 

Wireless communication device and feed-in method thereof


The present invention discloses a wireless communication device including a slot antenna, a radio-frequency (rf) signal processing module for processing an rf signal transmitted or received by the slot antenna, and an rf signal diplexer coupled between the slot antenna and the rf signal processing module for splitting up the rf signal into a first frequency component and a second frequency component during transmission, and synthesizing the rf signal corresponding to the first frequency component and the second frequency component during reception.. .

02/21/13
20130044368 

Long reach optical amplification device, passive optical network, and transmitting optical signals


The present invention provides a long reach optical amplification device, a passive optical network and an optical signal transmission method in the communication field. The long reach optical amplification device comprises: a first optical diplexer, configured to transmit one or multiple downlink optical signal(s) from a first segment of feeder fiber to a downlink optical amplifier; and to couple one or multiple uplink optical signal(s) amplified by a uplink optical amplifier to the first segment of feeder fiber; the downlink optical amplifier, configured to amplify the downlink optical signal(s) and to output the amplified one or multiple downlink optical signal(s); a second optical diplexer, configured to couple the downlink optical signal(s) amplified by the downlink optical amplifier to the second segment of feeder fiber, and to transmit the uplink optical signal(s) from the second segment of feeder fiber to the uplink optical amplifier; and the uplink optical amplifier, configured to amplify the uplink optical signal(s) and to output the amplified uplink optical signal(s).

01/17/13
20130016633 

Wireless circuitry for simultaneously receiving radio-frequency transmissions in different frequency bands


An electronic device has wireless communications circuitry that includes transmitters and receivers. Antenna structures may be coupled to the transmitters and receivers to support radio-frequency signal transmission and radio-frequency signal reception operations.

01/03/13
20130002958 

Splitter/combiner for catv networks


A splitter circuit means for use with a catv network comprising: a first signal input for receiving a catv signal; a first splitter for splitting the catv signal into a first split signal and a second split signal; a second signal input for receiving a moca signal; a second splitter for splitting the moca signal into a third split signal and a fourth split signal; a first diplex filter arranged to lowpass filter the first split signal and highpass filter the third split signal and to combine said filtered signals into a first combined signal to be supplied in a first output; and a second diplex filter arranged to lowpass filter the second split signal and highpass filter the fourth split signal and to combine said filtered signals into a second combined signal to be supplied in a second output.. .

01/03/13
20130002373 

High rejection band-stop filter and diplexer using such filters


The filters are particularly useful in mobile devices operating in two concurrent frequency bands.. .



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Diplex topics: Transmitter, Center Conductor, Coaxial Cable, Wireless Communication Device, Communication System, Carrier Frequency, Carrier Aggregation, Data Processing, Electronic Device, Network Device, Circuit Board, Low Frequency, Frequency Band, Diversity Antenna, Smartphone

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