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Transmitter patents

      

This page is updated frequently with new Transmitter-related patent applications.




new patent Communication method and radio transmitter
Radio transmission is performed even to a communication party whose bandwidth that can be used for transmission and reception is limited without having an influence of an offset of a dc component. A radio transmitter applied to an ofdma communication system in which a plurality of different terminals performs communication using ofdm signals at the same time that includes a mapping part that allocates transmission power to each subcarrier, and also selects a subcarrier to which minimum power of the transmission power to be allocated is allocated and modulates transmission data in units of communication slots to output the modulated data; and a transmission part for transmitting radio signals including the modulated data using each of the subcarriers..
Sharp Kabushiki Kaisha


new patent System and dynamically scheduling wireless transmissions without collision
A system and method dynamically schedule wireless transmissions without collision. A master transmitter periodically transmits a time mark during a first predefined time slot of a plurality of consecutive time slots that form a transmission block.
Isolynx, Llc


new patent Apparatus and managing transmitter temperature and power within a group of communication devices
A method and apparatus for wireless communication device operation comprises receiving one or more metrics from at least two members of a group whose members are wireless communication devices. The members of the group have agreed to share resources within the group and have their wireless connections controlled by the wcd.
Motorola Mobility Llc


new patent Apparatus and transmitting messages in mobile telecommunications system user equipment
A method and device for transmitting a sequence of messages from a handheld telecommunications device to a telecommunications network is described, the sequence of messages comprising a plurality of messages to be transmitted at specified times. The method comprises transmitting a message of the sequence of messages and turning off at least one of the transmitter and receiver of the device after transmission of at least one of the messages in the sequence of messages.
Blackberry Limited


new patent Matching method and apparatus
Embodiments of the present application relate to a matching method. The method includes: selecting, by a base station, a remote electrical tilt unit and sending instruction information to a signal transmitter, where the instruction information is used to instruct the signal transmitter to connect to an antenna radio frequency port corresponding to the remote electrical tilt unit and enable the signal generator to generate a signal.
Huawei Technologies Co., Ltd.


new patent Verification of wireless transmitter articles in proximity to registered devices
A computer-implemented method includes receiving a user identifier from a wireless tracking device that reads a user identifier article in proximity to the wireless tracking device; identifying a geographic location of the wireless tracking device; performing a look-up of a client device of the user; identifying first and second wireless routers that are positioned in the identified geographic location; transmitting, to the first router, a first request message to transmit to the client device of the user; transmitting, to the second router, a second request message to transmit to the client device; receiving, by the one or more computers from the first and second routers, reply messages transmitted by the client device; determining a geographic location of the client device; and verifying, based on the geographic location of the client device and the geographic location of the reader, that the user is in proximity to the client device.. .
Fmr Llc


new patent A transmitter, receiver, system and signal for transmitting auxiliary data frame synchronously across an hdmi interface
An hdmi transmitter inserts an additional video line in the video frame to be transmitted via the hdmi interface and inserts auxiliary data related to the video frame in the additional video line. The auxiliary data is related to the video frame and as the auxiliary data is stored in the video frame itself it is transported in a synchronous fashion with the video frame.
Koninklijke Philips N.v.


new patent Detecting the location of a phone using rf wireless and ultrasonic signals
A system and method for determining a presence of a mobile device located in a predetermined detection zone within a vehicle may include a plurality of transmitters located within the vehicle, in which each of the plurality of transmitters is configured to transmit an acoustic signal into an acoustic environment within the vehicle, and in which each of the acoustic signals comprises at least one ultrasonic pulse, a mobile device configured to periodically record sounds in the acoustic environment, and a processor configured to determine that a periodically recorded sound by the mobile device comprises each of the acoustic signals transmitted by the plurality of transmitters, determine a location of the mobile device within the vehicle based on the acoustic signals recorded by the mobile device, and determine that the location of the mobile device matches the predetermined detection zone.. .
Driving Management Systems, Inc.


new patent Apparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcast signals and receiving broadcast signals
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a frame builder to build at least one signal frame including the encoded service data, wherein a signal frame includes at least one preamble symbol and at least one sub-frame, a frequency interleaver to frequency interleave data in at least one of the preamble and a sub-frame in the at least one signal frame by using a different interleaving sequence generated based on an interleaving sequence and a symbol offset, a modulator to modulate the frequency interleaved data by an ofdm (orthogonal frequency division multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data..
Lg Electronics Inc.


new patent Transferring data between a first network node and a second network node
Apparatus comprises: first and second transmitter interfaces (702, 711), each configured to transmit data over a respective communications path (702, 703) including one or more logical connections; first and second transmit buffers forming part of the first and second transmitter interfaces respectively, the first and second transmit buffers being configured to store packets of data for transmission over their respective communication path; one or more path capability determining modules (709, 713) configured to determine a measure of capability of each of the communications paths to transmit data; an input data buffer (706) configured to store data for provision to the first and second transmit buffers for subsequent transmission; and a data handling module (704) configured to respond to determining the presence of data in the input buffer for transmission by: using the measured capabilities of the communication paths and measures of the quantity of data stored in the transmit buffers to select one of the first and second transmitter interfaces for transmitting data; and providing at least one packet of data to the transmit buffer of the selected one of the first and second transmitter interfaces.. .
Bridgeworks Limited


new patent

Internet control message protocol enhancement for traffic carried by a tunnel over internet protocol networks

A first network element (ne) comprises a receiver configured to receive a tunnel redirection request message from a second ne, wherein the tunnel redirection request message is a request to re-route packets to a third ne instead of the second ne, wherein the tunnel redirection request message comprises an address of the third ne and a first destination address, wherein the packets comprise the first destination address. A processor of the ne is coupled to the receiver and configured to add an outer header and an encapsulation header to a first subset of the packets, wherein the outer header comprises the address of the third ne, and wherein the encapsulation header comprises an identifier of an encapsulation protocol supported by the third ne, and a transmitter coupled to the processor and configured to transmit the first subset of the packets to the third ne via an overlay tunnel, and transmit a second subset of packets to the second ne..
Futurewei Technologies, Inc.

new patent

Monitoring server, resolution server, request device, and node selection method

Embodiments of the present application provide a monitoring server, a resolution server, a request device, and a node selection method. The monitoring server in the present application includes a receiver, a processor, and a transmitter.
Huawei Technologies Co., Ltd.

new patent

Apparatus and sending and receiving broadcast signals

A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to an embodiment of the present invention comprises an input formatting module performing baseband formatting and outputting at least one physical layer pipe (plp) data; a bicm module error-correction processing the plp data; a framing & interleaving module interleaving the plp data and generating a signal frame; and a waveform generating module inserting a preamble into the signal frame and generating a broadcast signal by performing ofdm modulation..
Lg Electronics Inc.

new patent

Upstream pilot structures in point-to-multipoint orthogonal frequency-division multiplexing (ofdm) communication systems

A central access network unit comprising a processor configured to assign a plurality of upstream training blocks from an upstream ofdm symbol to a plurality of downstream network units, wherein the ofdm symbol comprises a plurality of pilot subcarriers equally spaced across an upstream rf spectrum in a pre-determined time interval, and wherein each upstream training block comprises a different subset of the pilot subcarriers that are non-consecutive and situated across the upstream rf spectrum, and generate one or more messages comprising assignments of the upstream training blocks, and a transmitter coupled to the processor and configured to transmit the messages to the plurality of downstream network units via a network, wherein the messages instruct at least one of the plurality of downstream network units to transmit a modulated pre-determined sequence at the pilot subcarriers corresponding to the upstream training block assigned to the downstream network unit.. .
Futurewei Technologies, Inc.

new patent

Communication achieving low peak-to-average power ratio

The present disclosure pertains to communication systems and methods for achieving low peak to average power ratio (papr) for transmitted symbols of wireless devices. In an aspect, the present disclosure relates to a transmitter of a communication system, wherein the transmitter includes a circular convolution module that is configured to circularly convolve a preset number of values with a group of m symbols from a total number of symbols, an m-point dft module that is configured to process output of the circular convolution to generate a first set of discrete fourier transform (dft) samples, and an n-point idft module that is configured to process the first set of dft samples to obtain a first set of inverse discrete fourier transform (idft) samples for onward transmission to a receiver..
Tejas Networks Ltd.

new patent

Circuits for and methods of generating a modulated signal in a transmitter

A circuit for generating a modulated signal in a transmitter of an integrated circuit is disclosed. The circuit comprises a transmitter driver circuit having a first current path for receiving a first input signal of a pair of differential input signals and a second current path for receiving a second input signal of the pair of differential input signals, the transmitter driver circuit comprising a tail current path coupled to each of the first current path and the second current path; a first current source coupled between a first reference voltage and ground, wherein a first current of the first current source is proportional to the tail current of the tail current path; a first pull-up current source coupled between the first reference voltage and a first output node of the transmitter driver circuit; and a second pull-up current source coupled between the first reference voltage and a second output node of the transmitter driver circuit.
Xilinx, Inc.

new patent

Self-intererence channel estimation system and method

The present application describes a method for characterizing a self-interference channel of a frequency division duplex transceiver including a transmitter and a receiver. The method includes transmitting, from a transmitter of a frequency division duplex transceiver in a transmission band, a transmission signal including a message signal and a swept tone that changes frequency from below an upper edge to above a lower edge of a reception band of a receiver, the self-interference channel being defined between the transmitter and the receiver of the frequency division duplex transceiver, such that at least a portion of the message signal leaks into a signal received the receiver, determining, at an infinite impulse response (iir) filter of the receiver, an infinite impulse response of the self-interference channel based upon a reception of the swept tone swept at each frequency in the reception band, and estimating the self-interference channel, based upon the infinite impulse response..
Lgs Innovations Llc

new patent

Dp hdcp version converter

A displayport (dp) high-bandwidth digital content protection (hdcp) version converter that converts an hdcp content protection version from input to output includes a receiver and a transmitter. The receiver receives a serial bit stream transmitted from an upstream device, and decrypts link symbols of the received serial bit stream by use of a decryption unit.
Megachips Technology America Corporation

new patent

Full duplex network architecture in cable network environments

An example communication system comprises a media access control (mac) scheduler in a cable network, and a full band transceiver. The mac scheduler implements a two-dimensional transmission-reception (t-r) coordination scheme among a plurality of cable modems in the cable network.
Cisco Technology, Inc.

new patent

Tone based in-phase and quadrature-phase (iq) compensation

The present application describes a method for in-phase and quadrature phase (iq) compensation in a frequency division duplex transceiver including a transmitter and a receiver is provided. The method includes transmitting, from a transmitter, a transmission signal including a message signal and a fixed tone at a frequency outside a reception band of the receiver, receiving, at the receiver, a reception signal including a portion of the transmission signal having the fixed tone and the message signal, determining, at a processor of the receiver, a gain mismatch (g) and a phase mismatch (φ) between an in-phase (i) component and a quadrature (q) phase component of the reception signal by detecting an image tone of the fixed tone in the reception signal, and minimizing, at the processor, the image tone to compensate the gain mismatch and the phase mismatch between the i and q components of the reception signal..
Lgs Innovations Llc

new patent

Device and transmitting downlink control information in a wireless communication system

A method for a transmitter in a communication system, a method for a receiver, a transmitting apparatus, and a receiving apparatus are provided. The method includes identifying, by a transmitter, information bits in a first downlink control information (dci) and information bits in a second dci; appending, by the transmitter, one bit of value zero to the second dci, if a number of the information bits in the second dci is equal to a number of the information bits in the first dci; appending, by the transmitter, one or more zero bits to the second dci based on a payload size of the second dci, if the number of the information bits in the second dci belongs to one of ambiguous sizes; and transmitting, to a receiver, the second dci, wherein a payload of the second dci comprises the information bits in the second dci and at least one zero padding bit appended to the second dci, and wherein the one or more zero bits is appended to the second dci until the payload size of the second dci does not belong to one of the ambiguous sizes and the payload size of the second dci is not equal to a payload size of the first dci..
Samsung Electronics Co., Ltd.

new patent

Multiband ethernet over coax system

Described herein are apparatuses and methods for providing communication in multiple frequencies in a multiband ethernet over coax (eoc) system. An exemplary apparatus comprises a transceiver for transmitting or receiving a first data packet on a first channel associated with a first frequency, and a transmitter for transmitting a second data packet on at least one second channel associated with at least one second frequency..
Qualcomm Incorporated

new patent

Decoding of a message and corresponding encoding of a message

The present disclosure concerns radio communication. More particularly, the disclosure relates to encoding/decoding.
Telefonaktiebolaget Lm Ericsson (publ)

new patent

Apparatus for transmitting/receiving broadcasting signal using combination mode of layered division multiplexing and channel bonding, and method thereof

An apparatus for transmitting broadcast signal according to the present invention includes an enhanced layer stream partitioner configured to generate first and second enhanced layer partitioned signals by partitioning an enhanced layer stream; first and second combiners configured to generate a first multiplexed signal corresponding to the first enhanced layer partitioned signal and a second multiplexed signal corresponding to the second enhanced layer partitioned signal; first and second power normalizers configured to reduce powers of the first multiplexed signal and the second multiplexed signal; first and second time interleavers configured to generate a first time-interleaved signal corresponding to the first enhanced layer partitioned signal and a second time-interleaved signal corresponding to the second enhanced layer partitioned signal; and first and second ofdm transmitters configured to transmit signals corresponding to the first time-interleaved signal and the second time-interleaved signal using an ofdm communication scheme.. .
Electronics And Telecommunications Research Institute

new patent

Self-interference cancellation antenna systems and methods

The present application describes systems and methods of performing self-interference cancellation. Such systems may include generating a transmit signal along a transmit path of a transceiver, where the transmit signal can be sent through a circulator to isolate the transmit signal from a receiver.
Lgs Innovations Llc

new patent

Frequency domain multiplex optical transmission

A transmitter comprises a complex mixer to generate a single i analog drive signal and a single q analog drive signal, and a single multi-dimensional optical modulator configured to modulate an optical carrier light using the single i analog drive signal and the single q analog drive signal to produce a modulated optical signal for transmission. Alternatively, a transmitter comprises a complex mixer to generate two i analog drive signals and two q analog drive signals, and a single multi-dimensional multiple-electrode optical modulator configured to modulate an optical carrier light using the analog drive signals to produce a modulated optical signal for transmission.
Ciena Corporation

new patent

Optical component

Methods and apparatus for use in coherent transmission and reception of optical data signals. An integrated optics block (100) for use in a coherent optical transmitter comprising: a beam splitter (102) configured to split an input light signal into first and second input light signals, to output the first input light signal for use in an optical transmitter chip and to output the second input light signal for use as a local oscillator signal; a polarisation combiner (104) configured to combine first and second received modulated light signals to form an output; and a polarisation rotator (106) configured to rotate the polarisation of the second modulated light signal such that it is substantially orthogonal to the polarisation of the first modulated light signal prior to combining..
Oclaro Technology Limited

new patent

Method and system for transmitter optimization of an optical pam serdes based on receiver feedback

The present invention is directed to data communication system and methods. More specifically, various embodiments of the present invention provide a communication interface that is configured to transfer data at high bandwidth using pam format(s) over optical communication networks.
Inphi Corporation

new patent

Optical communication device and optical communication method

Light signal transmitter units 21-1 to 21-n of a transmitter device 20 perform optical communication with a receiver device 40 via optical fiber cables 61-1 to 61-n of an optical interface cable 61. A connection detection unit 22 detects whether connection to the receiver device is established via the optical interface cable, and a visible light source control unit 24 causes a visible light source unit 25 to emit visible light that can identify by an attribute a connection relationship with the receiver device connected via the optical interface cable, only when the connection to the receiver device 40 is not detected, and causes visible light superposition units 26-1 to 26-n to superpose the visible light on the cable.
Sony Corporation

new patent

Estimating frequency-offsets and multi-antenna channels in mimo ofdm systems

Techniques are described for carrier frequency offset (cfo) and channel estimation of orthogonal frequency division multiplexing (ofdm) transmissions over multiple-input multiple-output (mimo) frequency-selective fading channels. A wireless transmitter forms blocks of symbols by inserting training symbols within two or more blocks of information-bearing symbols.
Regents Of The University Of Minnesota

new patent

Massive mimo array emulation

The disclosed technology relates to systems and methods for emulating a massive mimo beamforming antenna array of arbitrary size—a channel model between a transmitter and a receiver, with one or more signal paths having respective amplitudes, angles of arrival, angle spreads, and delays. The disclosed technology includes defining a complete channel model h, calculating the correlation matrix for the channel, grouping the base antenna elements of the antenna array by combinations of signal and polarization, and calculating observed beamforming power of each group of the base elements, by applying a cross-correlation matrix to determine observed power signals and delay of each signal at each remote antenna element of the user equipment.
Spirent Communications, Inc.

new patent

Contactless data communication using in-plane magnetic fields, and related systems and methods

Embodiments described herein are related to contactless data communication. Related systems and methods for contactless data communication are disclosed herein.
Qualcomm Incorporated

new patent

Reconfigurable integrated rf front-end for dual-band wlan transceivers

Systems and techniques relating to wireless communication devices and reconfigurable an integrated rf front-end for dual-band wlan transceivers include, according to an aspect, an integrated circuit chip comprising: radio frequency (rf) front-end circuitry, wherein the rf front-end circuitry comprises (i) an antenna input line configured to connect with one or more antennas of a wireless communication device, (ii) a transmitter input line, (ii) a first receiver output line, (iii) and a second receiver output line; harmonic trap circuitry coupled with the rf front-end circuitry via the antenna input line, the harmonic trap circuitry being fully integrated on the integrated circuit chip.. .
Marvell World Trade Ltd.

new patent

Self-interference cancellation antenna systems and methods

The present application describes systems and methods of performing self-interference cancellation. Such systems may include generating a transmit signal along a transmit path of a transceiver, where the transmit signal can be sent through a circulator to isolate the transmit signal from a receiver.
Lgs Innovations Llc

new patent

Wireless inductive power transfer

A wireless power transfer system includes a power transmitter (101) providing power to a power receiver (105) via an inductive power signal. The power transmitter (101) and receiver (105) can operate in different modes including a test mode and a power transfer mode.
Koninklijke Philips N.v.

new patent

System for optical wireless power supply

A system for optical wireless power transmission to a power receiving apparatus generally situated in a mobile electronic device. The transmitter has an optical resonator with end reflectors and a gain medium positioned between them, such that an optical beam is generated.
Wi-charge Ltd.

new patent

Wireless power transfer system and wireless power transfer method

A wireless power transfer system includes a first transmitter coil, a second transmitter coil and a third transmitter coil arranged such that normal directions to planes of the first, the second and the third transmitter coils are orthogonal to each other in a three-dimensional space, and a controller that controls electric currents supplied to the first, the second and the third transmitter coils such that a synthetic magnetic field vector produced by the first, the second and the third transmitter coils rotates in a plane of rotation at a first angular frequency “ω”, and that a normal vector to the plane of rotation rotates about an axis of rotation perpendicular to the normal vector at a second angular frequency “a” equal to or smaller than the first angular frequency (a≦ω).. .
Fujitsu Limited

new patent

Driving circuit and wireless power transmitter including the same

The present disclosure relates to a driving circuit and a wireless power transmitter including the same. N+1 half-bridge circuits constitute n full-bridge circuits by reusing the half-bridge circuits, so as to drive a plurality of coils for wirelessly charging a plurality of loads..
Silergy Semiconductor Technology (hangzhou) Ltd.

new patent

Driving circuit and wireless power transmitter including the same

The present disclosure relates to a driving circuit and a wireless power transmitter including the same. In view of the fact that a transmitter-side coupling circuit exhibits a high resistance when an ac current having a frequency far away from its operating frequency is applied to input terminals, the present disclosure connects a plurality of transmitter-side coupling circuits which operates at different operating frequencies in parallel at output terminals of the same inverting circuit.
Silergy Semiconductor Technology (hangzhou) Ltd.

new patent

Wireless power transfer systems and methods

Example wireless power transfer systems and methods are described. In one implementation, an electronic control module is configured to generate a signal to be communicated to a transmitter coil.
Fp Wireless Llc

new patent

Control wireless charging

Methods and apparatuses for performing wireless charging are disclosed. One of the disclosed apparatuses is a wireless power transmitter which can receive charging power from a wireless power transmitter.
Samsung Electronics Co., Ltd.

new patent

Method for deciding communication protocol between wireless power transmitter and wireless power receiver

This specification provides a method for deciding a communication protocol between a wireless power transmitter and a wireless power receiver. To this end, a method for deciding a communication protocol by the wireless power receiver for data transmission or reception with the wireless power transmitter includes transmitting first communication protocol information indicating communication protocols supportable by the wireless power receiver itself to the wireless power transmitter, and deciding a communication protocol for the data transmission or data reception based on second communication protocol information, which indicates communication protocols selected based on the first communication protocol information, when the second communication protocol information is received from the wireless power transmitter..
Lg Electronics Inc.

new patent

Method and system for concurrent mutli-device, multi-modal, multi-protocol, adaptive position plus orientation free and multi-dimensional charging of portable chargeable devices using wired and wireless power transfer with multi-purpose capability

Embodiments of the present invention specifically relate to a system for streamlined, seamlessly and simultaneously wirelessly charging portable chargeable devices with free positioning and orientation capability. The system comprises an accommodation with a spatial configuration at least one of by virtue of and based on one or more at least one of integral and intended functionalities of the system, wherein the functionalities may comprise at least one of multi-purpose, multi-modal, multi-protocol, multi-dimensional wireless charging and a combination thereof, and wherein the accommodation comprises a charging subsystem comprises at least a charging assembly, which comprises at least a customized heat sink configuration for optimal thermal management, at least a customized shield structure for minimization of interference, and at least a multi-layer customized coil configuration forming a corresponding transmitter coil array.

new patent

Multi-mode resonant wireless power transmitter

A wireless power transmitter includes a multi-mode drive circuit having a controllable resonant frequency. The multi-mode drive circuit is controlled to have a first resonant frequency to drive wireless power transmission at a first transmit frequency.
Mediatek Inc.

new patent

Drive circuits for multi-mode wireless power transmitter

A multi-mode wireless power transmitter includes a first drive circuit of a first type and a second drive circuit of a second type. The first drive circuit is configured to drive a first transmit coil at a first frequency.
Mediatek Inc.

new patent

Display device, transmitting data packet, and led system

A display device is provided. The display device includes a transmitter, a plurality of first receivers, a plurality of second receiver modules, and a plurality of led driver groups.
Sct Technology, Ltd.

new patent

Acoustic frequency interrogation and data system

A system, in certain embodiments, includes a subsea acoustic frequency interrogation and data system. The subsea acoustic frequency interrogation and data system includes a master acoustic transceiver configured to broadcast an acoustic activation signal and an acoustic frequency interrogated data transmitter configured to generate power from the acoustic activation signal and activate a sensor configured to measure an operating parameter of subsea equipment..
Cameron International Corporation

new patent

Control system, terminal, information setting method, and program

A control system is provided with: a control device that controls facility equipment on the basis of previously set control information; and a terminal that communicates with the control device. The terminal has: an image capturer that captures an image; an analyzer that acquires setting-support information for setting the control information in the control device by analyzing the image captured by means of the image capturer; and a transmitter that transmits to the control device the setting-support information acquired by means of the analyzer.
Mitsubishi Electric Corporation

new patent

Interface circuit for high speed communication, and system including the same

A system may include an interface circuit and a plurality of wire buses electrically coupled with one another. The interface circuit may include transmitters which change states of the plurality of wire buses to transmit a plurality of multilevel symbols.
Sk Hynix Inc.

new patent

Methods and physical computer-readable storage media for intiating re-enumeration of usb 3.0 compatible devices

Described herein is a system comprising a peripheral device that is connected to a host device over a bus compatible with usb 3.0. The host device comprises a reduced functionality usb host controller configured to perform a set of one or more preprogrammed functions from the usb 3.0 specification, and a universal asynchronous receiver and transmitter (uart) configured to sample usb response data received from the peripheral device over the bus..
Cypress Semiconductor Corporation

new patent

Electronic information terminal, image processing apparatus and image processing system

An electronic information terminal connectable with an image processing apparatus via a communication network includes a display, a first memory to temporarily store stroke data generated by an operation event to the display, a first network condition controller to detect a condition of the communication network, and a transmitter to read out the stroke data from the first memory and to transmit the stroke data to the image processing apparatus via the communication network based on the condition of the communication network detected by the first network condition controller.. .

new patent

Display panel and a displaying apparatus using the same

Disclosed are a display panel and a display device. The display panel includes a quantum dot converter configured to convert light of a predetermined color emitted from a light source into light of a different color using a quantum dot unit and emit the converted light; and a light transmitter configured to transmit a part of the light of the predetermined color emitted from the light source and convert a remaining part of the light of the predetermined color into light of a different color and emit the converted light..
Samsung Electronics Co., Ltd.

new patent

Optical device and transmitter

An optical device includes an optical waveguide that includes an incident waveguide, parallel waveguides along an electrode, and emission waveguides, formed on a substrate having an electro-optical effect, a first emission waveguide among the emission waveguides is set as an output waveguide of signal light, for output to an external destination and a second emission waveguide among the emission waveguides is set as a monitoring optical waveguide for the signal light; a photodetector that is disposed over the monitoring optical waveguide; and a groove formed on a portion of the substrate, where the photodetector of the monitoring optical waveguide is disposed. The monitoring optical waveguide has a width that, as compared with the width at a starting point side, is formed to increase as the monitoring optical waveguide approaches the groove..
Fujitsu Optical Components Limited

new patent

Optical transmitter assembly for vertical coupling

The invention relates to an optical transmitter assembly (ota) for vertical coupling of light into a chip, and to a method for manufacturing the ota. The ota includes a laser diode, a microlens and a turning mirror mounted at a top face of a supporting substrate within a sealed enclosure, and an optical component, such as an optical isolator, a polarizer, or a microlens disposed in a substrate cavity that opens to the back face of the substrate.
Lumentum Operations Llc

new patent

Methods and system for wavelength tunable optical components and sub-systems

Wavelength division multiplexing (wdm) has enabled telecommunication service providers to fully exploit the transmission capacity of optical fibers. State of the art systems in long-haul networks now have aggregated capacities of terabits per second.
Aeponyx Inc.

new patent

Utility locator devices, systems, and methods with satellite and magnetic field sonde antenna systems

A transmitter system for providing current to a utility when performing a locate operation is disclosed. The transmitter system may include a tray apparatus, a transmitter module for generating an output current for provision to the utility so as to generate a magnetic field for detection by a utility locator disposed on or in the tray apparatus, and a sonde antenna node, a satellite antenna node, or a combined satellite navigation and sonde antenna node..



Transmitter topics:
  • Transmitter
  • Wireless Power
  • Magnetic Field
  • Pressure Sensor
  • Microprocessor
  • Imaging System
  • Single Photon
  • Control Code
  • Remote Control
  • Wireless Communication Device
  • Rfid Reader
  • Processing Device
  • Appliances
  • Battery Life
  • Addressing


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