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| Number | Title | Issue Date |
| 8060029 | Antenna with resonator grid and methods for use therewith An antenna includes a planar antenna section. A resonator grid includes a plurality of resonators in a planar array to electromagnetically enhance the performance of the plan antenna section. ... | 11/15/2011 |
| 7957703 | Wireless circuit device A current control circuit (5) recognizes whether or not a transmission signal is transmitted based on a control signal outputted from a transmission signal control circuit (4). When the transmission signal is transmitted, the current control circuit ( | 06/07/2011 |
| 7831214 | Low power linear transmit/receive (T/R) module A T/R module utilizes a low noise amplifier in both the transmit and receive modes. In this manner the low noise amplifier enables one to provide a T/R module which has reduced prime power and lower weight and particularly useful in airship radar systems and spaced ... | 11/09/2010 |
| 7715803 | Methods and apparatus for constant-power loading asymmetric antenna configuration A method and system for constant-power loading for asymmetric antenna configurations. The sounding packet, the sounding bit in HT-SIG field, and the HT-LTF field in the PLCP protocol data unit (PPDU) are used to determine the number of transmit antennas and the numb... | 05/11/2010 |
| 7546092 | Transceiver A transceiver according to the invention has application to a baggage handling system, amongst others, and includes an electrical circuit having a modulated series resistor, in the form of resistor R(modulator). Also included is a parallel switch SW1, which i... | 06/09/2009 |
| 7536155 | Wireless communication device interconnectivity A wireless communication device that is attached or included in an electronic object, such as a portable computer, having its own separate communication system. The separate communication system has an antenna for receiving and transmitting wireless communications, ... | 05/19/2009 |
| 7499678 | Antenna sharing device and wireless communication terminal using the same A compact, inexpensive antenna sharing device meeting requirements in terms of transmitter distortion characteristic and ESD characteristic is provided which separates and combines signals transmitted and received in first to third signal bands and which thereby ena... | 03/03/2009 |
| 7443810 | Wireless terminals A wireless terminal for use in the transmitting and receiving frequency bands of a frequency duplex system comprises transmitting and receiving stages (Tx, Rx) and signal propagating means (22, 24, 26) coupled to the transmitting and receiving stages. The sig... | 10/28/2008 |
| 7408979 | Integrated radio circuit having multiple function I/O modules An integrated radio circuit includes a receiver section, a transmitter section, an analog to digital converter section, a digital to analog converter section, a digital baseband processing module, a first dual function input/output (I/O) module, and a second dual fu... | 08/05/2008 |
| 7398104 | Mobile phone with wireless camera detection A mobile phone with wireless camera detection. A mobile phone converts the frequency band of a received signal to mobile signal frequency band (for example GSM, DSC or PCS) with added mixer, oscillator, and filter. The converted signal is treated as a mobile signal ... | 07/08/2008 |
| 7389090 | Diplexer circuit for wireless communication devices Systems and methods are disclosed for a wireless communications device for receiving wireless electronic signals including first wireless electronic signals at a first frequency and second wireless electronic signals at a second frequency. The wireless communication... | 06/17/2008 |
| 7388930 | Method and apparatus for removing crosstalk and other interference in communications systems An approach for estimating and removing crosstalk and other interference in a communications receiver is disclosed. The approach enables crosstalk and interference of arbitrary origin and power spectral density to be removed from a received signal, thereby improving... | 06/17/2008 |
| 7386284 | Controlling the gain of a remote active antenna A receiver includes a tuner and a circuit. The tuner receives an indication of a radio frequency signal from an antenna feedline in response to the radio frequency signal being provided to the antenna feedline by an amplifier. The circuit transmits a control signal ... | 06/10/2008 |
| 7386329 | Wireless communication apparatus and method of wireless communication One of objects of a wireless communication apparatus according to the present invention is to realize stable communication regardless of received signal strength indication and information amount. The wireless communication apparatus for communicating in an autonomo... | 06/10/2008 |
| 7383032 | Cellular phone and method for receiving and transmitting signals of different frequency bands A cellular phone and method for receiving and transmitting signals of different frequency bands and wireless standards utilizes an architecture that allows the use of switches that are less expensive and less lossy than switches used in comparable cellular phones. T... | 06/03/2008 |
| 7373171 | Front end module A front end module comprises a diplexer, a first duplexer, and a second duplexer. The first duplexer is connected to the diplexer through a first high frequency switch and separates transmission signals and reception signals of the N-CDMA from each other. The second... | 05/13/2008 |
| 7373155 | Method for positioning mobile station and repeater thereof The present invention relates to a method for positioning a mobile station and a repeater thereof. Said method comprises: the mobile communication network, when receiving a positioning request from a mobile station, instructing repeaters to send auxiliary positionin... | 05/13/2008 |
| 7372888 | Method and apparatus for software reconfigurable communication transmission/reception and navigation signal reception The method and device performs spread spectrum based communication and/or navigation. Device embodiments may include a receiver having a plurality of programmable tracking units and a processor in communication with the receiver to control the device, such as reconf... | 05/13/2008 |
| 7373115 | Apparatus for transmit and receive switching in a time-division duplexing wireless network A transmit-receive (T/R) switch for coupling a TDD transceiver to an antenna. The T/R switch comprises 1) a first circulator having a first port for receiving a transmit signal from the transceiver during transmit mode, a second port for sending the transmit signal ... | 05/13/2008 |
| 7369810 | Satellite transponder architecture with integral redundancy and beam selection capabilities A transponder system that integrates redundancy and beam selection capabilities is disclosed. The transponder system comprises an amplifier network having a plurality of amplifiers; an antenna network, comprising a plurality of antennae; an output switching network,... | 05/06/2008 |
| 7369834 | Impedance-matched IQ network for an image rejection circuit An impedance-matched IQ network includes a phase shift circuit and a back termination. The phase shift circuit includes an in-phase mixer port for receiving the in-phase signal, a quadrature-phase mixer port for receiving the quadrature phase signal, a termination p... | 05/06/2008 |
| 7369092 | Mobile Wireless Communications device with multiple RF transceivers using a common antenna at a same time and related methods A mobile wireless communications device may include a housing and a common antenna carried by the housing and having a plurality of spaced apart signal feed points thereon. The device may further include a plurality of wireless radio frequency (RF) transceivers carr... | 05/06/2008 |
| 7366466 | Wireless communication device interconnectivity A wireless communication device that is attached or included in an electronic object, such as a portable computer, having its own separate communication system. The separate communication system has an antenna for receiving and transmitting wireless communications, ... | 04/29/2008 |
| 7366316 | Device to transmit and receive data for remote control of hearing devices A device to transmit and receive data for remote control of hearing devices has a reduced size achieved by the transmitter coils of the transmitter and the receiver coil of the receiver being wound around a common, shared core. Moreover, a protective capacitor that ... | 04/29/2008 |
| 7365684 | Antenna having a filter and a signal feed-in point An antenna structure used in an electronic device includes a signal transmission line and an antenna unit. The signal transmission line is electrically coupled to the electronic device. The antenna unit includes a signal feed-in point, a filter, and a radiation part... | 04/29/2008 |
| 7366473 | Method and apparatus for diversity switching control A method and apparatus for diversity switching control are generally described herein. According to one embodiment, a diversity control network is introduced which effectively reduces the number of coaxial cables required to interface with N antennas from the conven... | 04/29/2008 |
| 7352775 | Partial duplex frequency domain modulator system and method In a multi-carrier transmission scheme (frequency domain multiplexed—FDM), a single high rate data stream is split into multiple lower rate data streams each transmitted over a different carrier (e.g., a tone or bin). The data rate possible from a multiple-carrier... | 04/01/2008 |
| 7349674 | Apparatus and method for separating transmit and receive signals for time division duplexing radio system A receiver is protected by reducing a transmit leakage signal leaked when a transmit signal is radiated through the antenna by using three circulators (transmitter, antenna, and receiver). The transmitter and antenna circulators output the transmit leakage signal to... | 03/25/2008 |
| 7349673 | Adaptive radio transceiver with an antenna matching circuit An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ... | 03/25/2008 |
| 7340280 | Method of configuring base station, and base station A base station and a method of configuring a base station are provided in a cellular telecommunication system, wherein the base station comprises an electrically tunable duplex filter with a tuning range covering at least two parallel sub-bands used in the telecommu... | 03/04/2008 |
| 7339445 | BAW duplexer without phase shifter A duplexer for connection with an antenna comprises an antenna port, a transmitting filter comprising bulk acoustic wave (BAW) resonators having a first antenna side impedance coupled with the antenna port, a receiving filter comprising BAW resonators having a secon... | 03/04/2008 |
| 7330703 | Transceiver for bidirectional frequency division multiplexed transmission The present invention relates to a transceiver for bidirectional frequency division multiplexed transmission, a communication system including one or more transceivers. Optionally, the communication system is a communication system for a digital subscriber line. The... | 02/12/2008 |
| 7328041 | High-frequency switch module A high-frequency switch module is less power consumable, and is able to be small-sized and thinner in thickness. The high-frequency switch module is also able to obtain an amount of attenuation in a stopband and proper characteristics. The high-frequency switch modu... | 02/05/2008 |
| 7324790 | Wireless transceiver and method of operating the same A transceiver 400 is provided in an ultrawide bandwidth device, which includes an antenna 110, a transmitter circuit 145, and a receiver circuit 165. A transmitter amplifier 440 is provided between the antenna 110 and the tr... | 01/29/2008 |
| 7324796 | Low temperature co-fired ceramic sub-harmonic mixer A sub harmonic mixer has improved electrical performance in a small package size. The mixer has a low temperature co-fired ceramic substrate. Coupled lines are located within the substrate and connected to an LO port, an RF port and an intermediate frequency port. T... | 01/29/2008 |
| 7317901 | Slotted multiple band antenna A multiple band antenna has an RF coupling structure (110) and a resonant RF structure (102). The RF coupling structure (110) has an RF connection (116, 118) and an RF coupling end (112, 114). The resonant RF structure (102)... | 01/08/2008 |
| 7317894 | Satellite digital radio broadcast receiver A satellite digital radio broadcast receiver has an integrated circuit including a first reception series for processing a satellite wave signal from a satellite and a second reception series for processing a ground wave signal from a repeater in order to receive bo... | 01/08/2008 |
| 7295814 | Antenna switch circuit and antenna switch module An antenna switch module connected to a common antenna for switching the connection of the antenna to a transmission circuit or a receiving circuit in plural transmitting/receiving systems having different passbands, comprising a diplexer circuit comprising a low-pa... | 11/13/2007 |
| 7292827 | System and method for providing a single-ended receive portion and a differential transmit portion in a wireless transceiver In an input/output circuit (200), a differential balun (250) is provided that has first and second balun inputs and first and second balun outputs. An antenna (230) is connected to the first and second balun outputs. A differential amplifier ( | 11/06/2007 |
| 7283793 | Package filter and combiner network A transceiver front end circuit includes an antenna terminal capable of being coupled to an antenna. A first balun circuit has a single input that is coupled to the antenna terminal, and a pair of balanced outputs coupled to a corresponding pair of balanced receiver... | 10/16/2007 |
