Patents
Patents for H03D 5 - Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will (308)
02/2015
02/04/2015EP2833546A1 Demodulation device, and demodulation integrated circuit and modulation and demodulation integrated circuit using same
05/2014
05/27/2014US8737516 Amplitude modulation of carrier to encode data
05/13/2014US8724730 Method and arrangement in a wireless communication network
03/2014
03/11/2014US8670733 Multimode communication device with shared signal path programmable filter
01/2014
01/21/2014US8634786 Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection
12/2013
12/24/2013US8614769 Intermediate frequency processing device for processing both analogue and digital television intermediate frequency signals
11/2013
11/19/2013US8588828 Mobile communication system, base station and interference cancellation method
10/2013
10/03/2013WO2013147390A1 Demodulation device, and demodulation integrated circuit and modulation and demodulation integrated circuit using same
09/2013
09/17/2013US8537766 Method and apparatus for channel estimation and detection in MIMO system
03/2013
03/20/2013CN101897117B Improvements in and relating to logarithmic detectors
11/2012
11/06/2012US8306067 Dual-frequency multiplexer
09/2012
09/11/2012US8265129 Digital receiver with system for controlling the operating mode of an adaptive equalizer
06/2012
06/12/2012US8199847 Method and apparatus for providing higher order modulation that is backwards compatible with quaternary phase shift keying(QPSK) or offset quaternary phase shift keying (OQPSK)
05/2012
05/15/2012US8180307 Electric device
04/2012
04/19/2012US20120092085 Poly-phase filter, and a single-side band mixer including the same
04/18/2012CN101361263B 用于千兆比特速率数据检测的接收器和集成am-fm/iq解调器 A receiver for a gigabit rate data detection and integration of am-fm / iq demodulator
04/03/2012US8149780 Multiplexing scheme in a communication system
03/2012
03/29/2012US20120077451 Local radio mode for am/fm broadcasts
02/2012
02/21/2012US8120419 Apparatus for type-A demodulation and integrated circuit card including the same
02/08/2012EP2215715B1 Improvements in and relating to logarithmic detectors
11/2011
11/15/2011US8060042 Method and an apparatus for processing an audio signal
10/2011
10/18/2011US8041319 Method and apparatus to intelligently perform scanning and assist scanning by profiling scanning history
09/2011
09/27/2011US8027652 Radio front end
06/2011
06/09/2011US20110133830 Demodulation circuit
05/2011
05/18/2011CN101626220B Digital lock-in amplifier based on CORDIC algorithm
05/10/2011US7941113 Wide bandwidth transceiver
05/05/2011US20110105055 Single pole multi throw switch
04/2011
04/14/2011US20110085612 Cognitive radio system, cognitive radio apparatus, and radio signal detection method
04/14/2011DE112008003880T5 Vorrichtung zur Lock-In-Verstärkung eines Eingangssignals und Verfahren zur Erzeugung eines Referenzsignals für einen Lock-In-Verstärker Device for lock-in amplifying an input signal and method for generating a reference signal for a lock-in amplifier
01/2011
01/13/2011US20110009080 Receiver architecture with digitally generated intermediate frequency
11/2010
11/24/2010CN101897117A Improvements in and relating to logarithmic detectors
10/2010
10/21/2010US20100269145 Accessing radio content from a non-radio source
10/12/2010US7813443 Transmit diversity system and method
09/2010
09/28/2010US7804912 Method and apparatus for encryption of over-the-air communications in a wireless communication system
08/2010
08/26/2010US20100216416 Digital Data Processing Circuit
08/11/2010EP2215715A2 Improvements in and relating to logarithmic detectors
06/2010
06/23/2010CN101753103A Signal demodulation device
06/23/2010CN101753102A Device and method for signal demodulation
06/23/2010CN101309069B Demodulation circuit, digital microwave system and demodulation method
06/17/2010US20100151848 Digital Upgrade System and Method
06/03/2010US20100136936 Automobile top antenna devices and antenna amplifiers thereof
06/03/2010US20100136927 Configurable baseband processing for receiver and transmitter and methods for use therewith
05/2010
05/27/2010WO2010059872A2 Fm transmitter and non-fm receiver integrated on single chip
05/27/2010WO2009056889A3 Improvements in and relating to logarithmic detectors
05/20/2010US20100124891 Fm transmitter and non-fm receiver integrated on single chip
03/2010
03/18/2010US20100070385 Wireless media player
03/02/2010US7672392 Arrangements and methods for a digital communication system
02/2010
02/11/2010WO2010015739A2 Demodulation circuit
01/2010
01/12/2010US7647031 Vehicle receiver system in which a single receiver circuit is controlled to receive signals transmitted from a plurality of remote devices having respectively different transmission frequencies
12/2009
12/31/2009US20090325520 Multiband rf receiver and method for receiving multiband rf signal
12/03/2009WO2009143635A1 Apparatus for lock-in amplifying an input signal and method for generating a reference signal for a lock-in amplifier
11/2009
11/18/2009CN201349198Y HART modem
10/2009
10/01/2009US20090247097 Receiver Module with Dual Mode Capability
10/01/2009US20090247096 Method And System For Integrated FM Recording
09/2009
09/10/2009US20090224940 Rf meter reading system
08/2009
08/20/2009US20090209217 Electronic Device, System, Chip and Method Enabling a Radio Signal Reception
07/2009
07/01/2009CN100508418C Electromagnetic transponder reader
06/2009
06/18/2009US20090156144 Electric device
06/17/2009EP2071719A2 Signal receiver, control method thereof, and signal receiving module
06/02/2009US7542747 Wide bandwidth transceiver
05/2009
05/14/2009US20090124222 Radio Receiver
03/2009
03/31/2009US7512188 Phase shift keying signaling for integrated circuits
02/2009
02/04/2009CN101361263A Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection
01/2009
01/15/2009US20090017792 Mobile telephone having broadcast reception function
11/2008
11/19/2008CN101309069A Demodulation circuit, digital microwave system and demodulation method
10/2008
10/29/2008EP1985011A2 Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection
10/14/2008US7436289 Remote keyless entry system with two modes of demodulation
08/2008
08/20/2008EP1959624A1 Demodulator circuit
08/05/2008US7409193 Predistortion circuit for a transmit system
05/2008
05/01/2008US20080104658 Simultaneously reproducing broadcast and replay content on a display
02/2008
02/20/2008EP1066678B1 Digital signal processing architecture for multi-band radio receiver
11/2007
11/15/2007WO2007088127B1 Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection
09/2007
09/27/2007WO2007088127A3 Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection
09/27/2007US20070224962 Integrated digital radio module
09/27/2007US20070224954 Cellular phone with integrated FM radio and remote low noise amplifier
08/2007
08/09/2007WO2007088127A2 Receiver and integrated am-fm/iq demodulators for gigabit-rate data detection
08/09/2007US20070184799 Separation of AM cochannel signals in an overloaded signal environment
08/02/2007US20070178863 AM/FM tuner saw filter-less architecture using AM frequency band up-conversion
07/2007
07/24/2007US7249368 Tuner apparatus
06/2007
06/19/2007US7233778 Apparatus and method for converting a signal from a first analog format to a second analog format
06/05/2007US7227912 Receiver with mirror frequency suppression
05/2007
05/31/2007US20070123187 Integrated low-if terrestrial audio broadcast receiver and associated method
05/23/2007EP1618661A4 Method and apparatus for conversionless direct detection
03/2007
03/22/2007US20070066265 Method to adjustably convert a first data signal having a first time domain to a second data signal having a second time domain
01/2007
01/25/2007US20070021082 Vehicle receiver system in which a single receiver circuit is controlled to receive signals transmitted from a plurality of remote devices having respectively different transmission frequencies
01/10/2007EP1423910B1 Receiver
11/2006
11/30/2006US20060269011 Telecommunications method and system
11/07/2006CA2317968C Automatic modulation type discrimination apparatus and automatic modulation type discrimination method capable of discriminating plural kinds of modulation types
10/2006
10/12/2006WO2006105565A1 Method for demodulating and reading device for evaluating load-modulated signals
10/10/2006US7120405 Wide bandwidth transceiver
09/2006
09/14/2006DE112004001902T5 Multimodem-Empfänger zur Frequenzfehlerverringerung Multi modem receiver for frequency error reduction
09/07/2006US20060199554 Integration of fixed wireless terminal with broadcast radio receiving devices
08/2006
08/24/2006US20060189286 Multi-band low noise amplifier, multi-band low noise amplifier module, wireless integrated circuit and multi-band RF module
07/2006
07/06/2006US20060148434 Receiver digital-analog converter and tuning circuit
04/2006
04/18/2006US7030704 Method and apparatus for a solid-state atomic frequency standard
01/2006
01/25/2006EP1618661A2 Method and apparatus for conversionless direct detection
01/12/2006US20060009177 Low-power wireless diversity receiver with multiple receive paths
01/05/2006US20060003726 Automatic gain control using signal and interference power to obtain extended blocking performance
11/2005
11/29/2005US6970517 Information transmission system for transmitting information among terminals different in modulation/demodulation techniques and method used therein
06/2005
06/28/2005US6911859 Method and apparatus for conversionless direct detection
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