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| Number | Title | Issue Date |
| 8170519 | System and method for radio signal reconstruction using signal processor A waveform reconstruction circuit receives an rf signal from an antenna, digitizes it, and then generates an undistorted reconstructed waveform. The reconstructed waveform can then be conventionally mixed and demodulated to extract useful signal information with enh... | 05/01/2012 |
| 8150355 | Radio receiver There is provided a method that comprises identifying a parasitic signal transfer in a filter using a signal-directed graph; and adding compensation paths to the filter to reduce or eliminate the effect of the parasitic signal transfer A corresponding filter is prov... | 04/03/2012 |
| 8116714 | Use of powerlines for transmission of high frequency signals Communication is provided which includes receiving a transmitted radio signal at a powerline wherein the powerline functions as a receiving antenna for the wirelessly transmitted radio signal. The powerline is coupled to an input of a radio receiver using a coupler ... | 02/14/2012 |
| 8073417 | Method and system for a transformer-based high performance cross-coupled low noise amplifier Aspects of a method and system for a transformer-based high performance cross-coupled low noise amplifier may include one or more circuits that integrate within a single chip, a balun with a low-noise amplifier. A DC current biasing path for the low-noise amplifier ... | 12/06/2011 |
| 8045942 | System and method for radio signal reconstruction using signal processor A waveform reconstruction circuit receives an rf signal from an antenna, digitizes it, and then generates an undistorted reconstructed waveform. The reconstructed waveform can then be conventionally mixed and demodulated to extract useful signal information with enh... | 10/25/2011 |
| 8032101 | Electronic apparatus, dispersion adjustment method of IC internal component section of electronic apparatus and IC An electronic apparatus includes: a first integrated circuit including an internal component section capable of being adjusted with adjustment data, a nonvolatile memory in which beforehand acquired adjustment data of a result of adjustment carried out in advance fo... | 10/04/2011 |
| 8019307 | Method and related electronic device for adjustment of a radio frequency circuit by impedance loading features A method for adjustment of a radio-frequency circuit by impedance loading features includes designing a plurality of test fixtures each corresponding to an impedance loading area according to a predefined operating frequency band, coupling each of the plurality of t... | 09/13/2011 |
| 8019306 | Amplifier and communication apparatus A wide-band amplifier includes a band-pass filter made of an LC parallel resonant circuit and an LCR series resonant circuit. Both the LC parallel resonant circuit and the LCR series resonant circuit are connected in parallel to a current amplifier device. The band-... | 09/13/2011 |
| 7856219 | Transformer coils for providing voltage isolation A circuit package providing voltage isolation includes at least one output and first circuitry located in a substrate of the circuit package for performing an operation. A transformer located in the metal layers of the circuit package provides voltage isolation betw... | 12/21/2010 |
| 7831233 | System and method for radio signal reconstruction using signal processor A waveform reconstruction circuit receives an rf signal from an antenna, digitizes it, and then generates an undistorted reconstructed waveform. The reconstructed waveform can then be conventionally mixed and demodulated to extract useful signal information with enh... | 11/09/2010 |
| 7738850 | Broadcasting signal processing apparatus and control method thereof A broadcasting signal processing apparatus and a control method thereof are provided. The broadcasting signal processing apparatus includes a wireless antenna; a radio frequency (RF) module which tunes a broadcasting signal; a variable part which adjusts an impedanc... | 06/15/2010 |
| 7650130 | Spread spectrum isolator An apparatus comprising a functional circuitry on a first die. Said function circuitry configured to drive an RF voltage isolation link with an RF signal responsive to receipt of a logic signal at a first logic state. Control circuitry modifies the frequency of the ... | 01/19/2010 |
| 7548741 | Dual logarithmic amplifier phase-magnitude detector A power generation system including a RF power generator which provides a RF output power. The power distribution system includes a phase-magnitude detector module having a dual logarithmic amplifier phase-magnitude detector. The dual logarithmic amplifier phase-mag... | 06/16/2009 |
| 7440740 | Method of transmitting data where in a first mode, the power level is not indicated in a message and an NPSK modulation scheme is used, and in a second mode, the power level is indicated in a message in an NQAM modulation scheme is used A method and apparatus for transmitting data from a first node to a second node of a communication system are provided. The method includes, in a first mode of operation, transmitting data via a first communication channel in which the power level of the channel at ... | 10/21/2008 |
| 7437138 | All CMOS GPS receiver with noise-matched high impedance on-chip antenna A GPS receiver depends on CMOS technology for both its GPS digital signal processing (DSP) and radio frequency (RF) stages. A resulting increase in RF input noise generated by the CMOS RF input is overcome by placing the antenna on-chip or on a lid of an application... | 10/14/2008 |
| 7433664 | System and method for radio signal reconstruction using signal processor A waveform reconstruction circuit receives an rf signal from an antenna, digitizes it, and then generates an undistorted reconstructed waveform. The reconstructed waveform can then be conventionally mixed and demodulated to extract useful signal information with enh... | 10/07/2008 |
| 7421252 | Center frequency control of an integrated phase rotator band-pass filter using VCO coarse trim bits A phase rotator for a Cartesian feedback power amplifier in a transmitter final stage contains an integrated voltage controlled tunable resonant circuit accomplishing band-pass filtering at a center frequency selected by local oscillator (LO) coarse trim control sig... | 09/02/2008 |
| 7412204 | Distributor and broadcast signal receiving system using the same A distributor arranged between a tuner module and an antenna, the tuner module including a first input portion and a second input portion for inputting a satellite broadcast signal transmitted from an artificial satellite and a ground broadcast signal transmitted fr... | 08/12/2008 |
| 7409199 | Direct conversion receiver with DC offset compensation A direct conversion receiver includes a mixer for converting an RF signal into a baseband signal, a dynamic DC offset compensator for compensating for a dynamic DC offset caused by the effect of second order nonlinear distortion of the mixer on an interfering wave t... | 08/05/2008 |
| 7395084 | Dynamic antenna allocation system A communication system with an antenna array having a respective antenna for each of a multitude of communication modules and a control system which seiectiyely reassigns communication over a first of said multitude of communication modules to a second communication... | 07/01/2008 |
| 7389097 | Receiver, transceiver circuit, signal transmission method, and signal transmission system A receiver has an offset application circuit for applying a known offset to an input signal, and a decision circuit for comparing the offset-applied input signal with a reference voltage. The level of the input signal is determined based on the known offset and on t... | 06/17/2008 |
| 7369624 | Carrier suppression type modulator with encoded modulating signals A carrier suppressed information signal modulation arrangement employs a plurality of serially coupled modulators. Each of the serially coupled modulators has a carrier input, a modulating signal input and a modulated carrier output. A carrier is applied to the carr... | 05/06/2008 |
| 7353009 | Combined transmitter A combined transmission unit for TMDS signals and LVDS signals. First (LVDS) and second (TMDS) transmission units are both coupled to a first set of input terminals. A switching controller, according to a mode selection signal, enables the first transmission unit to... | 04/01/2008 |
| 7349724 | Radio frequency arrangement and production method and also use A radio frequency arrangement includes a first semiconductor body having on a first side a radio frequency connection location for emitting therefrom or for supplying thereto a radio frequency signal, and a low frequency signal connection location for emitting there... | 03/25/2008 |
| 7340236 | System for operational coexistence of wireless communication technologies The present invention provides a system for providing simultaneous operation of disparate wireless telecommunication technologies within a single device (102). The device comprises a plurality of antennas (112, 114). The system provides an antenna swit... | 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 |
| 7324050 | Antenna An antenna comprises a signal line, a conductive element, a receiving element, a ground element, a short element and a bandwidth modifying element. The conductive element is coupled to the signal line. The receiving element is connected to the conductive element. Th... | 01/29/2008 |
| 7321735 | Optical down-converter using universal frequency translation technology A method and system for converting an optical signal to electrical information signals, including demodulated baseband information signals and modulated baseband signals at multiple harmonics. In an embodiment, the optical information signal is amplitude modulated w... | 01/22/2008 |
| 7315730 | Architecture for a receiver front end having dual output low noise amplifier driving separate pre-selectors coupled to a transformer for single ended output An architecture for a receiver front end utilizes a dual output low noise amplifier (102) driving separate, fixed preselectors (104, 106) coupled to a transformer (108) to generate a single ended output (113). A pair of blocks coupled in ... | 01/01/2008 |
| 7313377 | System, method, and circuit for dynamic range enhancement in a communication system A circuit includes one or more first amplifiers operable to amplify an incoming signal to produce an amplified incoming signal. The incoming signal is associated with a desired signal. The circuit also includes a controller. In response to the amplified incoming sig... | 12/25/2007 |
| 7302247 | Spread spectrum isolator A circuit package includes first and second units containing functional circuitry. At least one RF isolation link interconnects the first and second units and provides voltage isolation between the first and second units. The RF isolation link provides data between ... | 11/27/2007 |
| 7295826 | Integrated frequency translation and selectivity with gain control functionality, and applications thereof Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering... | 11/13/2007 |
| 7292835 | Wireless and wired cable modem applications of universal frequency translation technology Frequency translation and applications of same are described herein, including cable modem applications. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, enhanced signal reception, unified down-conversion and fil... | 11/06/2007 |
| 7292637 | Noise-tolerant signaling schemes supporting simplified timing and data recovery Described are communication systems that convey differential and common-mode signals over the same differential channel. Noise-tolerant communication schemes use low-amplitude common-mode signals that are easily rejected by differential receivers, thus allowing for ... | 11/06/2007 |
| 7283800 | Adaptive mixer output filter bandwidth control for variable conversion gain down-conversion mixer An improved adaptive mixer for use in the down conversion module of a wireless transceiver. The adaptive mixer comprises a conversion gain module that is operable to receive a radio frequency signal and to generate an intermediate frequency that is provided to a rad... | 10/16/2007 |
| 7281388 | Apparatus to use a refrigerator in mobile computing device An apparatus to use a refrigerator in a mobile computing device is described. In one embodiment, the refrigerator includes a cold reservoir to absorb heat generated by a heat generating unit of the mobile device. A heat exchanger is used to dissipate heat of a hot r... | 10/16/2007 |
| 7236759 | Method for steering smart antenna beams for a WLAN using signal and link quality metrics An antenna steering algorithm for a smart antenna uses signal quality metrics and link quality metrics for selecting a preferred antenna beam. The link quality metrics supplement the signal quality metrics for improving the antenna steering decision. The link qualit... | 06/26/2007 |
| 7231193 | Direct current offset correction systems and methods A system and method for direct current offset correction are disclosed. One embodiment of the system includes a direct current offset correction circuitry having an adjustable bandwidth and control logic configured to effect a bandwidth change of the direct current ... | 06/12/2007 |
| 7212796 | Antenna unit and receiving circuit An antenna unit includes an antenna, a high-frequency amplifier, an attenuator circuit, an output cable, and a voltage detector circuit. An operating voltage is supplied from a receiver to the high-frequency amplifier through the output cable. The operating voltage ... | 05/01/2007 |
| 7203462 | Antenna unit and radio base station therewith Phase and amplitude deviations, which are generated, for example, by cables connecting an array antenna of a CDMA base station and the base station, are calibrated in the baseband. The base station comprises: an antenna apparatus 1; couplers 2; ... | 04/10/2007 |
