Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449)
12/2005
12/22/2005US20050281356 Quadrature voltage controlled oscillator with automated phase control
12/21/2005EP1608061A1 Frequency converter using a tunable bandpass filter
12/21/2005CN1711691A PLL with balanced quadricorrelator
12/21/2005CN1711676A Phase locked loop demodulator with gain control
12/20/2005US6977978 Adaptive channel filtration for communications systems
12/20/2005US6977977 Compensation of I/Q gain mismatch in a communications receiver
12/20/2005US6977973 System and method for decoding manchester data
12/20/2005US6977545 FM signal receiver and wireless communications device using same
12/20/2005US6977537 Low gain phase-locked loop circuit
12/15/2005WO2005119910A2 Integer cycle event detection using wavelet pass filter system and method
12/15/2005WO2005119901A1 Receiver and method for wireless communications terminal
12/15/2005US20050276353 Integer cycle event detection using wavelet pass filter system and method
12/15/2005CA2567971A1 Receiver for use in wireless communications and method and terminal using it
12/15/2005CA2567765A1 Integer cycle event detection using wavelet pass filter system and method
12/14/2005EP1604502A1 Transceiver with i/q mismatch compensation scheme
12/14/2005EP1604464A2 Receiver and method for concurrent receiving of multiple channels
12/14/2005CN1707963A Analog DC compensation
12/14/2005CN1232029C FM detector circuit
12/13/2005US6975695 Circuit for correction of differential signal path delays in a PLL
12/08/2005WO2005117485A1 Volume adjusting apparatus
12/08/2005WO2005117252A2 Digital noise coupling reduction and variable intermediate frequency generation in mixed signal circuits
12/08/2005US20050272396 Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal
12/08/2005US20050271180 Phase-locked circuit
12/08/2005US20050271163 Analog DC compensation
12/07/2005EP1603228A1 Analogue DC compensation
12/07/2005EP1247333B1 Frequency converter and method
12/07/2005EP0867066B9 Digital calibration of a transceiver
12/07/2005CN1230980C Radio FM receiver
12/06/2005US6973297 Method and apparatus for down-conversion of radio frequency (RF) signals with reduced local oscillator leakage
12/06/2005US6973293 Apparatus and method for compensating for the offset of a mixer
12/01/2005US20050265506 Delay locked loop implementation in a synchronous dynamic random access memory
12/01/2005US20050265505 Digital phase-locked loop
12/01/2005US20050265487 Method of sampling data and a circuit for sampling data
12/01/2005US20050265485 Programmable identity of I and Q channels
12/01/2005US20050265483 Digital noise coupling reduction and variable intermediate frequency generation in mixed signal circuits
11/2005
11/30/2005EP1066677B1 Electronic circuits
11/24/2005WO2005112282A1 Signal processing apparatus
11/24/2005US20050261797 Programmable radio transceiver
11/22/2005US6968020 System and method of frequency synthesis to avoid gaps and VCO pulling in direct broadcast satellite systems
11/17/2005WO2005109625A2 Integrated analog video receiver
11/16/2005CN1227880C Direct conversion receiving apparatus with DC component cut function
11/16/2005CN1227809C Method for comparison of amplitudes of two electric signals
11/10/2005WO2005035436A3 Mems device annealing by laser
11/10/2005US20050250459 Compensation of a DC offset in a receiver
11/10/2005US20050249307 Integrated burst FSK receiver
11/10/2005US20050248478 Method and apparatus for DC offset removal
11/08/2005US6963734 Differential frequency down-conversion using techniques of universal frequency translation technology
11/03/2005US20050246749 Digital broadcast receiving device and method
11/03/2005US20050245218 System and method of frequency synthesis to avoid gaps and VCO pulling in direct broadcast statelite systems
11/03/2005US20050243220 Video receiver with reduced power mode
11/03/2005US20050243219 Integrated analog video receiver
11/03/2005US20050243218 Video receiver with adaptive image rejection
11/03/2005US20050243217 Video receiver with DC offset cancellation
11/02/2005EP1590886A1 Regenerative divider for up and down conversion of radio frequency (rf) signals
11/02/2005CN1691761A 数字播放接收装置及方法 Digital broadcast receiving apparatus and method
11/02/2005CN1691203A Duty cycle correction apparatus and method for use in a semiconductor memory device
11/01/2005US6960962 Local oscillator leakage control in direct conversion processes
10/2005
10/27/2005WO2005101773A1 Transmitter circuit, receiver circuit, clock extracting circuit, data transmitting method, and data transmitting system
10/27/2005WO2005101680A1 Device for exchanging ultra wide band signals
10/27/2005WO2005101671A2 Method and apparatus for dc offset removal
10/27/2005WO2005101648A1 Dual conversion receiver with programmable intermediate frequency and channel selection
10/27/2005US20050239499 Communication semiconductor integrated circuit and radio communication system
10/27/2005US20050239428 Dual conversion receiver with programmable intermediate frequency and channel selection
10/27/2005US20050239398 Mobile military satellite receiver architecture for accommodating wide carrier offset and method of performing coarse carrier offset adjustment
10/27/2005US20050238129 False lock detection circuit and false lock detection method, PLL circuit and clock data recovery method, communication device and communication method, and optical disk reproducing device and optical disk reproducing method
10/27/2005US20050238128 Duty cycle correction apparatus and method for use in a semiconductor memory device
10/27/2005CA2562563A1 Method and apparatus for dc offset removal
10/26/2005EP1589752A2 Digital broadcast receiving device and method
10/26/2005EP1588489A1 Analogue/digital delay locked loop
10/26/2005CN1225091C Base band circuit of receiver and low frequency cut-off frequency controlling method
10/25/2005US6959062 Variable delay line
10/25/2005US6958782 Frequency converter
10/20/2005US20050232385 Two-point frequency modulation apparatus, wireless transmitting apparatus, and wireless receiving apparatus
10/20/2005US20050232382 Tuning arrangement
10/19/2005CN1684357A Wideband i/q signal generation device
10/18/2005US6957057 Switched capacitor mixer circuit to attain high gain and linearity in radio frequency receivers
10/13/2005WO2005096623A1 Integrated television receiver with i and q analog to digital converters
10/13/2005US20050227627 Programmable radio transceiver
10/13/2005US20050226352 Mirror suppression circuit and receiver using such circuit
10/12/2005EP1584929A2 High performance signal generation
10/11/2005US6954628 Radio receiver
10/06/2005US20050220242 Locking-status judging circuit for digital PLL circuit
10/06/2005US20050220223 Bandpass filter with reversible IQ polarity to enable a high side or low side injection receiver architecture
10/06/2005US20050220222 Device and method for detecting a useful signal by detecting a periodic signal contained in the useful signal
10/06/2005US20050220220 Slicing algorithm for multi-level modulation equalizing schemes
10/06/2005US20050218997 High performance signal generation
10/06/2005US20050218937 Phase detector and method having hysteresis characteristics
10/05/2005CN1679231A Receiver and its adjustment system and method
10/05/2005CN1677844A High performance signal generation
09/2005
09/29/2005WO2005091514A1 Ac coupling bandwidth switch
09/29/2005US20050215207 Method and system for frequency up-conversion with a variety of transmitter configurations
09/29/2005US20050212604 Programmable radio transceiver
09/27/2005US6950640 FM detector circuit
09/27/2005US6950485 Precision timing generator apparatus and associated methods
09/27/2005US6950481 Digital television receiver converting vestigial-sideband signals to double-sideband AM signals before
09/27/2005US6950478 Transmitter and method having a low sampling frequency for digital to analog conversion
09/22/2005US20050207522 Phase locked loop and method for evaluating a jitter of a phase locked loop
09/21/2005EP1578023A1 AC coupling bandwidth switch
09/21/2005EP1576723A1 Mixer system with amplitude-, common mode- and phase corrections
09/21/2005CN1672320A Receiver comprising multiple parallel reception means
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