| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 08/13/2002 | US6433591 Frequency-voltage conversion circuit and receiving apparatus |
| 08/08/2002 | WO2001026260A9 Method and apparatus for comparator tree structure for fast acquisition of offsets induced in a wireless receiver |
| 08/08/2002 | WO2001024537A9 Method and apparatus for peak tracking a baseband signal |
| 08/08/2002 | WO2001024376A9 Method and apparatus for identifying a pre-determined pattern from a received signal via correlation |
| 08/08/2002 | US20020105374 Differentiate and divide FM demodulator |
| 08/07/2002 | EP1229663A2 Processing received signals |
| 08/06/2002 | CA2292032C Wireless radio modem with minimal interdevice rf interference |
| 08/01/2002 | WO2002060107A2 Quadrature modulator and demodulator |
| 08/01/2002 | WO2002009270A3 System and apparatus for a direct conversion receiver and transmitter |
| 08/01/2002 | US20020101939 Fixed-point DSP implementation of FM demodulation and decoding |
| 08/01/2002 | US20020101281 Sigma delta FM ratio detector |
| 08/01/2002 | DE10148515A1 Frequenzspannungswandler Frequency voltage converter |
| 08/01/2002 | CA2435720A1 Quadrature modulator and demodulator |
| 07/30/2002 | US6427068 Simplified high frequency tuner and tuning method |
| 07/25/2002 | WO2002058257A1 Radio communication apparatus |
| 07/25/2002 | US20020097812 In-phase and quadrature-phase rebalancer |
| 07/25/2002 | US20020097806 Baseband I and Q converter and method for performing baseband I and Q conversion |
| 07/25/2002 | US20020097592 Frequency voltage converter |
| 07/25/2002 | US20020097081 Method and apparatus for reducing DC reducing offset |
| 07/24/2002 | EP0800737A4 Multiple access digital transmitter and receiver |
| 07/24/2002 | CN1360751A Method and device for correcting corrupted useful signal |
| 07/24/2002 | CN1088297C Frequency modulated signal demodulator circuit and communication terminal equpment |
| 07/18/2002 | WO2002056585A1 Receiver |
| 07/18/2002 | WO2002056567A2 Reduced soft output information packet selection |
| 07/18/2002 | WO2002056523A2 Method and apparatus to remove effects of i-q imbalances of quadrature modulators and demodulators in a multi-carrier system |
| 07/18/2002 | WO2002056489A2 Local oscillator leakage control in direct conversion processes |
| 07/18/2002 | WO2002056484A2 Radio receiver |
| 07/18/2002 | US20020094792 Signal processing semiconductor integrated circuit device and wireless communication system |
| 07/18/2002 | US20020093376 Frequency-variation type demodulator and demodulating method |
| 07/17/2002 | EP1222733A2 Down converter using subsampling |
| 07/17/2002 | EP0716788B1 Apparatus for performing frequency conversion in a communication system |
| 07/17/2002 | CN1359562A Radlo receiver and method for preloading an average dc-offset into a channel filter |
| 07/16/2002 | US6421403 Baseband equalization of quadrature-phase as well as in-phase synchrodyne results in digital radio receivers |
| 07/11/2002 | WO2002054606A2 Zero intermediate frequency receiver using packet acquisition and channel tracking |
| 07/11/2002 | US20020090924 Simplified high frequency tuner and tuning method |
| 07/10/2002 | CN1358348A Apparatus for receiving and processing radio frequency signal |
| 07/10/2002 | CN1087523C FM demodulation circuit |
| 07/04/2002 | US20020084839 Circuit arrangement |
| 07/03/2002 | EP1220441A2 Direct-conversion receiver system and method, especially a GPS receiver system with high pass filtering |
| 06/27/2002 | WO2002051091A1 Phase error detection and correction for differential signals |
| 06/27/2002 | US20020081990 Direct-conversion receiver system and method, especially a GPS receiver system with high pass filtering |
| 06/27/2002 | US20020080892 Demodulator and method for second harmonic cancellation |
| 06/26/2002 | EP1217731A2 Electric Circuit |
| 06/26/2002 | EP1217724A1 A Quadrature Demodulator and method |
| 06/26/2002 | CN1355602A Sign timing restoring circuit of phase demodulator and its method |
| 06/26/2002 | CN1086862C Frequency modulation signal demodulating circuit |
| 06/25/2002 | US6411801 Double balanced active mixer |
| 06/20/2002 | WO2002049264A1 Multiple input, multiple output channel, digital receiver tuner |
| 06/20/2002 | US20020075976 Precision timing generator system and method |
| 06/20/2002 | US20020075892 DC-offset correction circuit having a DC control loop and a DC blocking circuit |
| 06/20/2002 | US20020075747 Delayed locked loop implementation in a synchronous dynamic random access memory |
| 06/19/2002 | EP1215813A1 Tuner for digital receiver with multiple input and multiple output channels |
| 06/19/2002 | EP1214795A2 Apparatus for interference compensation of a direct conversion transceiver and method |
| 06/18/2002 | US6408340 Method and apparatus for transferring data between electrical components |
| 06/18/2002 | US6408035 Simplified receiver for frequency shift keyed signals |
| 06/13/2002 | WO2002047279A2 Removal of distortions caused by a channel selection filter |
| 06/13/2002 | WO2002029968A3 Quardrature direct-conversion demodolator using dc offset compensation |
| 06/13/2002 | WO2000069085A9 Programmable digital intermediate frequency transceiver |
| 06/13/2002 | US20020071509 Precision timing generator apparatus and associated methods |
| 06/13/2002 | US20020071506 Slope drift and offset compensation in zero-if receivers |
| 06/13/2002 | DE10060483A1 Circuit for generating and amplifying limited amplitude d.c. signal with level essentially proportional to input signal logarithm has FM demodulator, squaring stage, current adding unit |
| 06/13/2002 | DE10060425A1 Empfängerschaltung Receiver circuit |
| 06/12/2002 | EP1212838A1 Hybrid bandpass and baseband delta-sigma modulator |
| 06/06/2002 | WO2002045283A2 Integrated direct conversion satellite tuner |
| 06/06/2002 | WO2002023713A3 Direct conversion tuner |
| 06/05/2002 | EP1211859A2 Fixed-point DSP implementation of FM demodulation and decoding |
| 06/05/2002 | EP1210766A1 Automatic gain control loop for frequency conversion of quadrature signals |
| 06/05/2002 | EP0789953B1 Automatic tuning of a radio transceiver |
| 06/05/2002 | CN1086070C Dual mode modulating device and method |
| 06/05/2002 | CN1086066C Digital compensated direct conversion receiver and method |
| 06/05/2002 | CN1086065C 接收机电路 Receiver circuit |
| 06/04/2002 | US6400233 Method and apparatus for compensating for distortion in IQ modulators |
| 06/04/2002 | US6400200 Semiconductor integrated circuit which generates waveforms which are out of phase with each other |
| 05/30/2002 | WO2002043259A2 Direct conversion receiver |
| 05/30/2002 | WO2002043258A2 Dc-offset correction circuit having a dc control loop and a dc blocking circuit |
| 05/30/2002 | US20020065060 Radio receiver |
| 05/30/2002 | US20020065057 Radio FM receiver |
| 05/29/2002 | EP1208653A1 Improved method and apparatus for up- and down-conversion of radio frequency (rf) signals |
| 05/29/2002 | EP1208652A1 Radio fm receiver |
| 05/29/2002 | EP1208651A1 Improved method and apparatus for up-conversion of radio frequency (rf) signals |
| 05/29/2002 | EP1208650A2 Frequency translator using a non-periodic local oscillator signal |
| 05/29/2002 | EP1013092B1 Direct-conversion tuner integrated circuit for direct broadcast satellite television |
| 05/29/2002 | CN1085920C Method and device for phase-modulated signals |
| 05/29/2002 | CN1085911C Wideband zero IF demodulator using single L.O |
| 05/28/2002 | US6397048 Signal processing apparatus and communication apparatus |
| 05/28/2002 | US6396338 Variable delay line detector |
| 05/22/2002 | EP1207627A1 An efficient GS;/DSC/UMTS (UTRA/FDD) RF transceiver architecture |
| 05/22/2002 | EP1206831A1 Modem for wireless local area network |
| 05/16/2002 | WO2002039580A2 Direct conversion receiver |
| 05/16/2002 | US20020058491 Radio receiver |
| 05/16/2002 | US20020058489 Method and circuit for compensation control of offset voltages in a radio receiving circuit integrated in a circuit module |
| 05/16/2002 | US20020057752 Receive method and receiver in communication system |
| 05/15/2002 | EP1206032A2 Signal demodulation method and apparatus for reproducing data from received signal |
| 05/15/2002 | CN1349685A Multi-band transceiver utilizing direct conversion receiver and direct conversion receiver |
| 05/15/2002 | CN1084995C Detectors |
| 05/09/2002 | US20020055347 Wideband if image rejecting receiver |
| 05/09/2002 | US20020054649 Signal demodulation method and apparatus for reproducing data from received signal |
| 05/08/2002 | EP0776547B1 A digital radio system, a digital radio device, and a quadrature demodulator |
| 05/07/2002 | US6385442 Multiphase receiver and oscillator |
| 05/07/2002 | US6385261 Impulse noise detector and noise reduction system |