Patent application number | Description | Published |
20080231535 | Method and System for Using a Transformer for FM Transmit and FM Receive Functionality - Aspects of a method and system for using a transformer for FM transmit and FM receive functionality may include communicating radio frequency signals via an antenna coupled to primary windings of a radio frequency transformer, wherein secondary windings of the radio frequency transformer may be utilized for receiving and/or transmitting the communicated radio frequency signals. The secondary windings may be utilized as a load of a power amplifier used for the transmitting. By applying an electrical signal at a terminal of the secondary windings, the secondary windings and/or the power amplifier may be biased. Receiving and transmitting may be operated in time division duplex mode or simultaneously. The electrical signal applied at the center terminal may be a biasing voltage. By using a plurality of capacitors, DC signal components for receiving may be blocked. | 09-25-2008 |
20080231536 | Method and System for Using a Single Transformer for FM Transmit and FM Receive Functions - Aspects of a method and system for using a single transformer for FM transmit and FM receive functions may include communicating radio frequency signals via an antenna coupled to primary windings of a radio frequency transformer, wherein first secondary windings of the radio frequency transformer may be utilized for receiving the communicated radio frequency signals, and second secondary windings of the radio frequency transformer may be utilized for transmitting the communicated radio frequency signals. Receiving and transmitting may be performed in time division duplex mode or simultaneously. A number of windings of the second secondary windings that may be used for transmitting of the radio frequency signals, may be less than or equal to a number of windings of the primary windings. | 09-25-2008 |
20080231537 | METHOD AND SYSTEM FOR FM TRANSMIT AND FM RECEIVE USING A TRANSFORMER AS A DUPLEXER - Aspects of a method and system for FM transmit and FM receive using a transformer as a duplexer may include communicating radio frequency signals via an antenna coupled to primary windings of a radio frequency transformer, wherein secondary windings of the radio frequency transformer may be utilized for receiving and/or transmitting the communicated radio frequency signals. The receiving and transmitting may be operated in time division duplex mode or simultaneously. A number of windings between a pair of connector terminals of the secondary windings used for transmitting of the radio frequency signals may be less than or equal to a number of windings of the primary windings. A number of windings between a pair of connector terminals of the secondary windings used for receiving of the radio frequency signals may be greater than or equal to a number of windings of the primary windings. | 09-25-2008 |
20080231543 | METHOD AND SYSTEM FOR EQUALIZING ANTENNA CIRCUIT MATCHING VARIATIONS - Aspects of a method and system for equalizing antenna circuit matching variations may include adjusting a frequency response of an antenna via a programmable filter and a gain of the antenna by varying a programmable amplifier. The antenna frequency response and the antenna gain may be adjusted dynamically and/or autonomously. The programmable amplifier and the programmable filter may be adjusted sequentially or simultaneously. The programmable filter may be an LC-type circuit and the programmable amplifier may be a low-noise amplifier. In an exemplary embodiment of the invention, the programmable filter may comprise a programmable capacitance in a matrix arrangement and/or a programmable inductance in a matrix arrangement. | 09-25-2008 |
20080233910 | METHOD AND SYSTEM FOR MITIGATING RECEIVER SATURATION DURING SIMULTANEOUS FM TRANSMISSION AND RECEPTION - Aspects of a method and system for mitigating receiver saturation during simultaneous FM transmission and reception may include detecting a power of an RF signal received at an antenna. A power of one or more baseband signal components corresponding to the RF signal may be determined. A power of signals transmitted via the antenna may be controlled, based on a cost function derived from at least the detected RF signal power received and/or the determined power of the one or more baseband signal components. One or more of the baseband signal components may be an in-phase signal, a quadrature signal or both an in-phase signal and a quadrature signal associated with a same carrier frequency. In one embodiment of the invention, the radio frequency signal may be an intermediate frequency (IF) radio signal. | 09-25-2008 |
20090289870 | Method and System for Using a Transformer for FM Transmit and FM Receive Functionality - Aspects of a method and system for using a transformer for FM transmit and FM receive functionality may include communicating data-bearing signals via primary windings of a transformer, wherein secondary windings of the transformer may be utilized for receiving and/or transmitting the communicated data-bearing signals, wherein the secondary windings may be utilized as a load for the transmitting. The secondary windings and/or a power amplifier may be biased for the transmitting by applying an electrical signal at a terminal of the secondary windings, wherein the electrical signal that may be applied at the center terminal may be a biasing voltage. The receiving and the transmitting may be operated in time division duplex mode, or simultaneously. DC signal components for the receiving may be blocked by using a plurality of capacitors. | 11-26-2009 |
20110037677 | METHOD AND SYSTEM FOR FM TRANSMIT AND FM RECEIVE USING A TRANSFORMER AS A DUPLEXER - A method for processing communication signals is disclosed and may include communicating radio frequency signals via an antenna coupled to primary windings of a radio frequency transformer. Secondary windings of the radio frequency transformer may be utilized for receiving and/or transmitting the communicated radio frequency signals. The receiving and the transmitting may operate in time division duplex mode. A number of windings between a pair of connector terminals of the secondary windings used for the transmitting of the radio frequency signals, may be less than or equal to a number of windings of the primary windings. A number of windings between a pair of connector terminals of the secondary windings used for the receiving of the radio frequency signals, may be greater than or equal to a number of windings of the primary windings. | 02-17-2011 |
20110291911 | Method and System for Using a Transformer for FM Transmit and FM Receive Functionality - Aspects of a method and system for using a transformer for FM transmit and FM receive functionality may include communicating data-bearing signals via primary windings of a transformer, wherein secondary windings of the transformer may be utilized for receiving and/or transmitting the communicated data-bearing signals, wherein the secondary windings may be utilized as a load for the transmitting. The secondary windings and/or a power amplifier may be biased for the transmitting by applying an electrical signal at a terminal of the secondary windings, wherein the electrical signal that may be applied at the center terminal may be a biasing voltage. The receiving and the transmitting may be operated in time division duplex mode, or simultaneously. DC signal components for the receiving may be blocked by using a plurality of capacitors. | 12-01-2011 |
20110294419 | Method and System for Clocking FM Transmit, FM Receive, and Near Field Communication Functions Using DDFS - Methods and systems for clocking FM transmit, FM receive and near field communication functions using DDFS are disclosed. Aspects of one method may include generating a Bluetooth signal that may comprise, for example, I and Q components, or Bluetooth local oscillator (LO) signals, for use in Bluetooth communication. One of the two Bluetooth LO signals may then be used by a DDFS to generate I and Q LO signals for FM reception and/or transmission. One of the I and Q LO signals for FM communication may be used by another DDFS to generate at least one LO signal for near field communication (NFC) transmission and/or reception. While the Bluetooth LO signal may vary in frequency as Bluetooth frequency hopping occurs, the FM LO signals may remain constant for a specific channel frequency. Similarly, while the FM LO signals may be changed to tune to different FM channels, the NFC LO signals may remain at a constant frequency. | 12-01-2011 |
Patent application number | Description | Published |
20100308970 | METHOD AND SYSTEM FOR A RFID TRANSPONDER WITH CONFIGURABLE FEED POINT FOR RFID COMMUNICATIONS - A Method and system for a RFID transponder with configurable feed point for RFID communications is provided. In this regard, an RFID transponder may receive RF signals via a leaky wave antenna and modulate an amplitude of a backscattered signal associated with the received RF signals by switching between a plurality of feed points of the leaky wave antenna to vary an input impedance of said RFID transponder. Each of the plurality of feed points may be located in a different position in the resonant cavity of the leaky wave antenna. The input impedance may be controlled by switching a load in and out of a receive path of the RFID transponder. The leaky wave antenna may be integrated within and/or on an integrated circuit, an integrated circuit package, or a combination thereof. | 12-09-2010 |
20100308997 | METHOD AND SYSTEM FOR CONTROLLING CAVITY HEIGHT OF A LEAKY WAVE ANTENNA FOR RFID COMMUNICATIONS - Methods and systems for controlling cavity height of a leaky wave antenna for RFID communications are disclosed. In this regard, an RFID transponder may receive RF signals via a leaky wave antenna and modulate a frequency of a backscattered signal by controlling a height of a resonant cavity of the leaky wave antenna. The height of the resonant cavity may be controlled via a micro-electromechanical system. The RFID transponder may modulate an amplitude of the backscattered signal by controlling an input impedance of the RFID transponder. The input impedance may be controlled by switching a load in and out of a receive path of the RFID transponder. The input impedance of the RFID transponder may be controlled by switching between a plurality of feed points of the leaky wave antenna. Each of the plurality of feed points may be located in a different position in the resonant cavity of the leaky wave antenna. | 12-09-2010 |
20100309824 | METHOD AND SYSTEM FOR A DUPLEXING LEAKY WAVE ANTENNA - Methods and systems for a duplexing leaky wave antenna (LWA) are disclosed. In this regard, RF signals may be concurrently transmitted and received via a leaky wave antenna, wherein a height of a first portion of a resonant cavity of the leaky wave antenna is different than a height of a second portion of the resonant cavity. RF signals transmitted may be at or near a first frequency and RF signals received be at or near a second frequency. The height of the first portion of the resonant cavity and/or the height of the second portion of the resonant cavity may be controlled by applying one or more voltages which causes one or both reflective surface of the leaky wave antenna to deflect. The leaky wave antenna may be integrated on and/or within an integrated circuit, an integrated circuit package, a printed circuit board, or a combination thereof. | 12-09-2010 |
20100311333 | METHOD AND SYSTEM FOR POINT-TO-POINT WIRELESS COMMUNICATIONS UTILIZING LEAKY WAVE ANTENNAS - A method and system for point-to-point wireless communications utilizing leaky wave antennas is provided. In this regard, a first device may transmit a RF signal via a leaky wave antenna, and may determine an angle between the leaky wave antenna of the first device and a leaky wave antenna of a second device by adjusting a frequency of the RF signal until a response is received from the second device. The first device may be configured based on the determined angle. A wireless connection may be established between the leaky wave antenna of the first device and the leaky wave antenna of the second device based on the configuration. The first device may generate a notification when the angle is beyond a threshold. The wireless connection may adhere to wireless USB protocols and/or Bluetooth protocols, for example. The second device may generate the response after receiving sufficient energy from the RF signal. | 12-09-2010 |
20100311340 | METHOD AND SYSTEM FOR REMOTE POWER DISTRIBUTION AND NETWORKING FOR PASSIVE DEVICES - A Method and system for remote power distribution and networking for passive devices is provided. In this regard, a sensor comprising a leaky wave antenna may be powered utilizing energy from a radio frequency signal received via the leaky wave antenna. The sensor may be operable to recover a baseband signal from the received radio frequency signal. The sensor may be operable to generate one or more sensor readings in response to the received baseband signal. The sensor may be operable to communicate the sensor reading to a source of the received radio frequency signal via a backscattered signal. The backscattered signal may be generated by controlling spacing between surfaces of the leaky wave antenna. The backscattered signal may be generated by switching a load in and out of a receive path of the sensor and/or by switching between a plurality of feed points of the leaky wave antenna. | 12-09-2010 |