|| List of recent Rf Communication-related patents
An envelope tracking amplifier for a transmitter has a voltage mapping linearly related to the square of the amplitude of the baseband signal.. .
|De-multiplexing a radio frequency input signal using output transformer circuitry|
The present disclosure relates to de-multiplexing at least one rf input signal feeding rf power amplifier circuitry to create multiple de-multiplexed rf output signals, which may be used to provide rf transmit signals in an rf communications system. Output transformer circuitry is coupled to outputs from the rf power amplifier circuitry to provide the de-multiplexed rf output signals, which may support multiple modes, multiple frequency bands, or both.
|Electronically and remotely controlled pill and system for delivering at least one medicament|
An electronically and remotely controlled pill (500) or medicament delivery system is provided. The pill (500) includes a housing (102); a medicament reservoir (104) for storing a medicament; an electronically controlled release valve or hatch (106) for dispensing one or more medicaments stored in the medicament reservoir (104) while traversing the gastrointestinal tract; control and timing circuitry (108) for opening and closing the valve (106); and a battery (109).
|Method and system for determining a location for a rf communication device based on its proximity to a mobile device|
A mobile device may be operable to determine, based on a known location of the mobile device, a location for a rf communication device that communicates with the mobile device, whenever the mobile device is within proximate range of the rf communication device. The determined location for the rf communication device may be stored in a location database in a location server and/or a memory in the rf communication device.
|Method and system for processing multipath clusters|
In an rf communication system, aspects for processing multipath clusters may comprise tracking a plurality of received clusters of signals and estimating a phase and amplitude of at least a portion of each of the plurality of received clusters of signals. Each of the plurality of received clusters of signals may be specified in time and an aggregate of received signal paths in a single cluster for a single base station may be processed.
|Providing digital data services as electrical signals and radio-frequency (rf) communications over optical fiber in distributed communications systems, and related components and methods|
Distributed antenna systems providing and supporting radio frequency (rf) communication services and digital data services, and related components and methods are disclosed. The rf communication services can be distributed over optical fiber to client devices, such as remote antenna units for example.
|Wideband high gain antenna for multiband employment|
An antenna element employable singularly or in an array and configured for concurrent rf transmission and receipt on a plurality of frequencies concurrently. The element is formed of conductive material on a substrate by a pair of substantially identical horns extending in opposite directions to distal tips.
A wireless hybrid time division multiple access/code division multiple access (tdma/cdma) user equipment (ue) includes a signaling receiver and a data detection device in communication with the signaling receiver. The signaling receiver is configured to receive and recover signaled information of code and timeslot assignments of the ue to suport an rf communication.
|Method and apparatus for compressing and transmitting ultra high speed data|
Voiceband compression techniques are employed in order to enable an rf telecommunications base station to accommodate data signals of high speed voiceband modems and fax machines. An ultra-high speed codec supports voiceband modem and fax transmissions up to 14.4 kb/s and operates using four 16-phase rf slots.
|Shielded cavity backed slot decoupled rfid tags|
A shielded decoupled rfid tag having a three dimensional cavity formed by conductive material walls and at least one slot in a conductive material wall that creates a main passage for rf communication signals at the operating frequency of the rfid tag to pass into and/or out of the three dimensional cavity.. .
|System and method for tracking tire positions|
A system and method for tracking tire positions on a vehicle. Tires are tracked by checking the position of tires synchronized at a predetermined angle when a vehicle speed is equal to or greater than a preset reference speed, on the basis of wheel phase information of a wheel sensor, which is provided at the predetermined angle at every first predetermined time interval through rf communication, and wheel speed information of a wheel speed sensor including tire phase information which is inputted at a second predetermined time interval through a can communication line..
|Broadcasting signal receiving apparatus, remote controller and pairing method thereof|
Disclosed are a broadcasting signal receiving apparatus, a remote controller and a pairing method thereof, the pairing method of the remote controller performing bidirectional communication with the broadcasting signal receiving apparatus and including: sensing a key input for a control instruction for controlling the broadcasting signal receiving apparatus, wherein the key input is selected from among a plurality of keys on the remote controller; transmitting a broadcasting signal to the broadcasting signal receiving apparatus, wherein the broadcasting signal corresponds to the key input and includes first identification information of the remote controller; and storing second identification information of the broadcasting signal receiving apparatus received from the broadcasting signal receiving apparatus. Thus, the identification information for performing the rf communication may be transmitted in response to a voluntary selection on the rf remote controller..
|Extracting clock information from a serial communications bus for use in rf communications circuitry|
The present disclosure relates to rf front-end (rffe) circuitry that includes multiple rffe circuits, each of which may be provided by a separate integrated circuit (ic), front-end module, or both. As such, the rffe circuits may be connected to one another using an rffe serial communications bus.
|Bandpass filter of rf communication system|
The present invention relates to the bandpass filter of an rf communication system. The bandpass filter embodies a dual band characteristic by combining an equilibrium zero-order resonator and a non-equilibrium zero-order resonator, provides transmission zero using a cross-coupling structure near a pass band, and also has a neighboring signal blocking characteristic..
|Smart price tag system including remote display|
An electronic price tag system for stock keeping units (skus) having three components: an id module, a remote display module (rdm), and a remote display control module (rdcm). The id module and/or the rdcm may contain display elements.
|Transmitting system and receiving apparatus for providing hybrid service, and service providing method thereof|
A receiving apparatus includes a first receiving unit that receives a first signal comprising an information descriptor to describe service characteristics, reference data, and additional data reference information through a rf communication network; a second receiving unit that can be connected to an ip network; a demux unit that detects the information descriptor from the first signal; a first signal processing unit that processes the reference data; a control unit that, if it is determined as a hybrid service depending on the information descriptor, controls the second receiving unit to access a source apparatus corresponding to the additional data reference information; a second signal process unit that, if a second signal comprising additional data is received through the ip communication network, processes the additional data; and an output unit that synchronizes and outputs the reference data and the additional data.. .
|Object cluster detection and estimation|
A vehicle tracking system includes a wheel unit containing rf communication circuitry. The wheel units communicate with fixed nodes of a monitoring system.
|Method and apparatus for using low power rf circuits and edid data and control for display monitoring|
A method and means for display control and monitoring include an extended display identification (edid) means and communicating with the display using radio frequency communication and extended display identification commands via the extended display identification means to monitor the display's status and to control the display's functionality controllable via the extended display identification commands. The means can include an edid circuit for interfacing with a display and communicating with at least the display using edid packets, an rf interface for providing rf communications, an antenna for receiving and transmitting rf packets and a processor for translating the received rf packets to edid packets and vice-versa..
|Systems and methods for animal containment, training, and tracking|
Systems for containing, training, and tracking animals (e.g., pets) utilize electronic animal tags or collars, including ir reception and two-way rf communication. An aimable ir directional zone defining unit includes selectable different modes of operation relative to an animal collar or tag.
|Time-domain gated filter for rf communication systems|
A time domain filter receives a double sideband (dsb) input in the frequency domain and compresses this input into a time domain signal filtered by a time gate for providing a time filtered signal that is then expanded back into the frequency domain as a single sideband (ssb) output with one sideband being filtered by the time gate for translating dsb signals into ssb signals well suited for communicating chirped modulated signals as ssb signals along an electrical line or optical fiber without dispersive nulling of the communicated signal.. .
|Communication system and communication method|
The present invention relates to a communication system and a communication method. The communication system includes a micro ic card, a radio frequency (rf) card sleeve and a multi-frequency card reader.
|Methods of communicating identification information and a responsive command via short-range communications, and related devices|
Methods of operating a short-range radio frequency (rf) device are provided. The methods may include transmitting identification information that identifies the short-range rf device and/or sensor information generated by a sensor associated with the short-range rf device, using a short-range rf communication protocol.
|Tunable hybrid coupler|
This disclosure includes embodiments of a tunable hybrid coupler. The tunable hybrid coupler includes a first inductive element having a first inductance, a second inductive element having a second inductance and mutually coupled to the first inductive element, a first variable capacitive element having a first variable capacitance, and a second variable capacitance having a second variable capacitance.
|Optimal switching frequency for envelope tracking power supply|
A radio frequency (rf) communications system, which includes an rf power amplifier (pa) and an envelope tracking power supply, is disclosed. The rf communications system processes rf signals associated with at least a first rf communications band, which has a first bandwidth.
|Plug-and-play sensor peripheral component for process instrumentation|
A plug-and-play sensor peripheral component includes an electrically conductive physical connector; an electrical connector; a transformer; and an rf communication and data storage circuit. The electrical connector is electrically connected to the physical connector by a first conductive path.
|Providing digital data services in optical fiber-based distributed radio frequency (rf) communication systems, and related components and methods|
Optical fiber-based distributed communications systems that provide and support both rf communication services and digital data services are disclosed herein. The rf communication services and digital data services can be distributed over optical fiber to client devices, such as remote antenna units for example.
|Balloon network with free-space optical communication between super-node balloons and rf communication between super-node and sub-node balloons|
Exemplary embodiments may involve hierarchical balloon networks that include both optical and radio frequency links between balloons. An exemplary network system may include: (a) a plurality of super-node balloons, where each super-node balloon comprises a free-space optical communication system for data communications with one or more other super-node balloons and (b) a plurality of sub-node balloons, where each of the sub-node balloons comprises a radio-frequency communication system that is operable for data communications.
|Wireless remote control systems and methods for bathroom devices|
The present application relates to a communication system for a bathroom product such as a toilet. The communication system includes a remote control device and a host device that directly controls the bathroom product.
|Adaptive isochronous usb audio to rf communication device|
A method of and a system for synchronizing isochronous audio data frames provided by a usb interface to a clock of a wireless rf communication device is provided. The usb interface and the wireless rf communication device are connected via an i2s link, the method comprising receiving the isochronous audio data frames and the wireless rf communication device clock in a streaming controller, phase locking the isochronous audio data frames to a usb interface clock, counting start-of-frame pulses of the phase locked isochronous audio data frames, comparing the counted start-of-frame pulses with the wireless rf communication device clock to determine a difference signal, the difference signal triggering a synchronization event code when a threshold difference has been reached, rate matching the isochronous audio data frames to the wireless rf communication device clock upon receiving the synchronization event code..
|Digital multimeter having remote display with automatic communication binding|
A method of automatically binding first and second devices for rf communication is disclosed. One step of the method involves establishing a secure, non-rf communication mode between the first and second devices.
|Radio frequency transmitter adaptors, methods and articles of manufacture|
Radio frequency (rf) transmitter adaptors, methods and articles of manufacture are disclosed. A method of adapting an rf transmitter for using in controlling a radio controlled (r/c) device having an rf receiver includes receiving a pulse-position modulation (ppm) signal from the rf transmitter, automatically selecting a channel assignment map based on the ppm signal, and generating, from the ppm signal, an rf communication signal compatible with the rf receiver for use in controlling the r/c device based on the selected channel assignment map..
|Systems and methods for sensing signals communicated with a host device or on an interface of plug-in card when there is lack of access to sensing points|
A circuit system for testing a chip is provided. The circuit system includes a first layer coupled with a plurality of ground communication mediums.
|Interference reduction between rf communications bands|
Radio frequency (rf) power amplifier (pa) circuitry and a pa envelope power supply are disclosed. The rf pa circuitry receives and amplifies an rf input signal to provide an rf output signal using an envelope power supply signal, which is provided by the pa envelope power supply.
|Multimode rf amplifier system|
Multimode radio frequency (rf) amplifier systems and techniques are disclosed. In one embodiment, a multimode radio frequency (rf) amplifier system has a first rf amplifier and a second rf amplifier.
|Terminal apparatus for auto pairing, remote control apparatus and method thereof|
A terminal apparatus for auto pairing and a remote control apparatus and method thereof are provided. The terminal apparatus includes an ir receiving unit configured to receive an ir signal including first identification information of an external apparatus from the external apparatus, a radio frequency (rf) communication unit configured to perform wireless communication with the external apparatus which transmit the ir signal including the first identification information, a storage unit configured to store a pairing list including identification information of at least one external apparatus, and a control unit configured to control the rf communication unit to perform pairing for wireless communication with the external apparatus according to whether or not identification information of at least one external apparatus in the pairing list corresponds to the received first identification information..
|Configuration of a metrologically sealed device via a passive rf interface|
Systems and methods that allow for the configuration or reconfiguration of an electronic metrologic device without having to handle the device or open the device packaging. Configuration/reconfiguration is accomplished by way of passive rf communication between a rf read/write device and a rf-enabled memory device installed to the metrologic device.
|Single and multi node, semi-disposable wearable medical electronic patches for bio-signal monitoring and robust feature extraction|
A wireless modular, multi-modal, multi-node patch platform is described. The platform preferably comprises low-cost semi-disposable patch design aiming at unobtrusive ambulatory monitoring of multiple physiological parameters.
|Radio frequency-communication device and method for operating the same|
A radio frequency communication device has data transmission means and data receiving means. The data transmission means comprise load modulating means being adapted to receive a radio frequency carrier signal emitted by another rf communication device and to modulate the rf carrier signal by means of load modulation in accordance with data to be sent.
|On pcb dielectric waveguide|
A method which relates to fabricating a dielectric waveguide (wg) on a pcb for rf communication between ics on the pcb. The wg can replace a baseband copper bus and resulting in the pcb being smaller and/or cheaper.
|Relay apparatus, relay method, and 3d image system|
A relay apparatus is provided. The relay apparatus includes a receiving unit configured to receive an ir signal from a 3d display apparatus, a control unit configured to detect control information for driving 3d glasses included in the ir signal and generating a transmission packet according to an rf communication protocol based on the detected control information, and a communication unit configured to transmit the transmission packet to the 3d glasses..
|Wirelessly powered gaming device|
Embodiments of the invention provide an interactive toy or gaming device for actuating various interactive play effects within a compatible play environment. The gaming device comprises a portable housing having an internal cavity configured to receive one or more batteries or other power sources for powering the device.
|System and method of prebias for rapid power amplifier response correction|
A system and method are provided for reducing dynamic evm of an integrated circuit power amplifier (pa) used for rf communication. In a multistage pa, the largest amplification stage is biased with a high amplitude current pulse upon receipt of a tx enable, before receipt of the rf signal data burst.
|Integrated circuit with intra-chip and extra-chip rf communication|
An integrated circuit includes a first integrated circuit die having a first circuit and a first intra-chip interface and a second integrated circuit die having a second circuit and a second intra-chip interface and a remote interface, wherein the first intra-chip interface and the second intra-chip interface electro-magnetically communicate first signals between the first circuit and the second circuit, and wherein the remote interface is coupled to engage in electromagnetic communications with at least one other integrated circuit. In an embodiment of the present invention, a shielding element shields the electromagnetic communications with the at least one other integrated circuit from the electromagnetic communication of the first signals.
|Rf communications device including an optical link and related devices and methods|
A communications device includes a transmitter device including an optical source configured to generate an optical carrier signal, and a modulator coupled to the optical source and configured to modulate the optical carrier signal with an input signal having a first frequency, an optical waveguide coupled to the transmitter device, and a receiver device coupled to the optical waveguide. The receiver device includes an optical splitter, a first waveguide path coupled to the optical splitter and configured to filter a sideband from the modulated optical carrier signal, a second waveguide path coupled to the optical splitter and configured to generate a selected sideband from selectable sidebands based upon the modulated optical carrier signal, and an optical-to-electrical converter coupled to the first and second waveguide paths and configured to generate an output signal including a replica of the input signal at a second frequency based upon the selected sideband..
|System for identifying an electric vehicle connected to electric vehicle service equipment|
A system for identifying an electric vehicle connected to electric vehicle service equipment (evse) and which involves rf communication exploits the obdm of the electric vehicle as well as the auto-cam system. Power is applied from the evse to supply electric power and the flow of current to the battery charger is detected.
|Rf communications device with inverse function for coupler therein and related methods|
A radio frequency (rf) communications device may include a power amplifier, an antenna, a tunable coupler between the power amplifier and the antenna, a processor, and an exciter module coupled between the processor and the power amplifier and generating an rf signal based upon a baseband signal. The processor may be configured to set the tunable coupler to a desired tuning and thereby defining a transfer function for the tunable coupler, and to generate an inverse transfer function of the transfer function of the tunable coupler.
|System and methods for determining radiated radio frequency (rf) receiver sensitivity|
A test method is for determining rf sensitivity of an rf receiver for a plurality of channels extending over a frequency band(s) using an rf source coupled to the rf receiver by an rf communications link. The plurality of channels may include channels having a predictable rf sensitivity and a channel(s) having a non-predictable rf sensitivity.
|Active retrodirective antenna array with a virtual beacon|
An active retrodirective antenna array is provisioned with a virtual beacon for use with uncooperative targets. An rf pilot signal is imposed onto an optical carrier beam and directed at a target.
|Methods and systems for virtual energy management display|
A method and system of virtual energy management display involves periodically receiving via a mesh local area network electronic data representing energy management-related information by a rf communication-enabled memory storage device coupled to an electronic display device within a home area network. Electronic data representing telemetry information is likewise periodically received by the rf communication-enabled memory storage device from at least one rf communication-enabled energy management-related device within the home area network.