| Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890) |
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| 09/03/2002 | US6445726 Direct conversion radio receiver using combined down-converting and energy spreading mixing signal |
| 08/28/2002 | EP1235355A2 Procedure and arrangement for DC offset compensation in a direct conversion receiver |
| 08/22/2002 | US20020114412 Apparatus and method for filtering maximum-length-code signals in a spread spectrum communication system |
| 08/21/2002 | EP1233526A1 Direct conversion receiver |
| 08/20/2002 | US6438182 Correlator with serial-parallel partition |
| 08/13/2002 | US6434203 Memory architecture for map decoder |
| 08/08/2002 | WO2002027948A3 A method for converting electric signals and a converter therefor |
| 08/08/2002 | US20020105363 Current comparator |
| 08/01/2002 | US20020101942 Signal separation |
| 08/01/2002 | DE10135924A1 Amplitudendetektierverfahren und Schaltung Amplitudendetektierverfahren and circuit |
| 07/25/2002 | US20020097089 Predistortion-based amplifier, transmitter and envelope detector |
| 07/24/2002 | EP1224742A1 Universal platform for software defined radio |
| 07/24/2002 | EP1224741A1 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal |
| 07/23/2002 | US6424183 Current comparator |
| 07/18/2002 | WO2002056567A2 Reduced soft output information packet selection |
| 07/17/2002 | EP0752185B1 Carrier recovery system for a vestigial sideband signal |
| 07/17/2002 | CN1359562A Radlo receiver and method for preloading an average dc-offset into a channel filter |
| 07/03/2002 | EP1219022A1 Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal |
| 07/03/2002 | EP1219021A2 Image rejection |
| 07/03/2002 | CN1357169A Image rejection |
| 06/27/2002 | US20020080861 Methods and apparatus to despread dual codes for CDMA systems |
| 06/27/2002 | US20020080860 Methods and apparatus to despread dual codes for CDMA systems |
| 06/26/2002 | CN1086861C DC offset compensation method and apparatus |
| 06/13/2002 | US20020071501 VSB receiver and method for processing receiving signal in the same |
| 06/13/2002 | US20020070786 Diode detection circuit |
| 06/05/2002 | EP1210766A1 Automatic gain control loop for frequency conversion of quadrature signals |
| 06/05/2002 | CN1086070C Dual mode modulating device and method |
| 06/04/2002 | US6400205 Diode detection circuit |
| 05/28/2002 | US6396881 Minimum-delay frequency-shift-compensating complex demodulator with arbitrary phase adjustment |
| 05/28/2002 | US6396354 PLL detection circuit with lock judgement circuit |
| 05/22/2002 | CN1085467C Carrier recovery system for vestigial sideband signal |
| 05/15/2002 | EP0962057B1 A method of and a device for analog signal sampling |
| 05/15/2002 | CN1084967C Transmitter having temp.-compensated detector |
| 05/02/2002 | WO2001048909A3 Quadrature frequency converter |
| 04/25/2002 | WO2002033922A2 Method and device for the recording and processing of signal waves and corresponding method |
| 04/25/2002 | WO2002033817A1 Method and device for detecting and processing signal waves |
| 04/24/2002 | CN1083637C Decoder for trellis encoded signal mixed with NTSC co-channel interference and white noise |
| 04/23/2002 | US6377616 Calibration of n-port receivers |
| 04/18/2002 | US20020044613 I/Q demodulator device with three power detectors and two A/D converters |
| 04/17/2002 | CN1083197C I/Q quadraphase modulator circuit |
| 04/16/2002 | US6373909 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal |
| 04/10/2002 | EP1195002A2 Device for frequency down-converting using undersampling , and method |
| 04/10/2002 | EP1020024B1 Filtering arrangement and slope detector for quadrature amplitude modulated signals |
| 04/10/2002 | CN1344434A Device for demodulating amplitude-modulated signal |
| 04/04/2002 | WO2002027948A2 A method for converting electric signals and a converter therefor |
| 04/04/2002 | DE10044456A1 Empfängerschaltung, innsbesondere für den Mobilfunk A receiver circuit, for mobile innsbesondere |
| 04/04/2002 | DE10044449A1 Empfängerschaltung, insbesondere für den Mobilfunk Receiver circuit, in particular for mobile radio |
| 03/26/2002 | US6363125 Non-coherent six-port receiver |
| 03/20/2002 | EP1189338A1 I/Q demodulator device with three power detectors and two A/D converters |
| 03/20/2002 | CN1341297A Homodyne radio receiver |
| 03/14/2002 | WO2002021681A2 Receiver circuit, especially for mobile radiotelephony |
| 03/14/2002 | WO2002021680A2 Receiver circuit especially for mobile radiotelephony |
| 03/07/2002 | WO2002019553A1 Direct conversion receiver |
| 03/06/2002 | EP1184980A2 Digital receiver |
| 03/05/2002 | US6353639 Filter configuration and slope detector for quadrature amplitude modulated signals |
| 02/28/2002 | US20020025782 All-frequency-band SSB radio communication system and radio apparatus |
| 02/28/2002 | US20020025007 Receiver |
| 02/27/2002 | EP1181769A2 Device for demodulating an amplitude-modulated signal |
| 02/13/2002 | CN1336062A Phase interpolation receiver for angle modulated RF signals |
| 02/07/2002 | US20020016160 Amplitude-detecting method and circuit |
| 01/31/2002 | US20020012405 Amplitude modulation detector |
| 01/30/2002 | CN1333952A Method and apparatus for saving current while performing signal strength measurements in homodyne receiver |
| 01/17/2002 | WO2002005444A1 Universal platform for software defined radio |
| 01/10/2002 | US20020004376 Current-reuse bleeding mixer |
| 01/03/2002 | DE10029271A1 Demodulationschaltung und Demodulationsverfahren Demodulationschaltung and demodulation |
| 01/02/2002 | CN1077378C Phase correction circuit and method therefor |
| 01/01/2002 | US6335948 Amplitude detector and equalizer |
| 12/25/2001 | US6333767 Radio receivers for receiving both VSB and QAM digital television signals with carriers offset by 2.69 MHz |
| 12/20/2001 | WO2001097372A2 Demodulation circuit and demodulation method |
| 12/06/2001 | WO2001093416A1 Power detecting circuit and demodulator comprising the same |
| 12/06/2001 | CA2380829A1 Power detecting circuit and demodulator comprising the same |
| 12/05/2001 | EP1160970A1 Interference suppresser for AM signals , and method |
| 12/05/2001 | EP1160969A1 Detection of distorsions in AM signals |
| 12/05/2001 | CN1325581A Method for ASK demodulation and ASK demodulator |
| 11/21/2001 | EP1155503A1 Radio receiver and method for preloading an average dc-offset into a channel filter |
| 11/15/2001 | WO2001086919A2 Radio receiver |
| 11/15/2001 | US20010040932 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal |
| 11/08/2001 | US20010039182 Direct conversion circuit for radio frequency signals |
| 11/07/2001 | EP1151589A2 Modem with a reduced state maximum likelihood sequence estimator |
| 11/01/2001 | WO2001031776A3 Device for demodulating an amplitude-modulated signal |
| 10/25/2001 | WO2000064042A3 Device for frequency down-converting using undersamling, and method |
| 10/25/2001 | US20010033197 Method for ASK demodulation, and ASK demodulator |
| 10/24/2001 | EP1147615A2 A homodyne radio receiver |
| 10/24/2001 | EP0824782B1 Receiver with digital processing of a phase-splitted input signal |
| 10/24/2001 | CN1073779C Digital demodulator, high-definition signal receiver and digital demodulating method |
| 10/23/2001 | US6307428 Method for ASK demodulation, and ASK demodulator |
| 10/23/2001 | US6307418 Rectifier circuit |
| 10/10/2001 | EP1142102A1 Sequential-acquisition, multi-band, multi-channel, matched filter |
| 10/04/2001 | WO2001035538A3 Low spurious homodyne receiver |
| 10/04/2001 | US20010027094 Image rejection |
| 10/04/2001 | EP1101285A4 Single chip cmos transmitter/receiver and vco-mixer structure |
| 10/03/2001 | CN1072359C Method and apparatus for detecting input signal level |
| 09/27/2001 | WO2001071997A1 Demodulator of an amplitude-modulated alternating signal |
| 09/25/2001 | US6294952 Quadrature demodulator quadrature demodulation method and recording medium |
| 09/19/2001 | CN1071525C Blind equalizer for vestigial sideband signal |
| 09/12/2001 | EP1131896A2 Method and apparatus for saving current while performing signal strength measurements in a homodyne receiver |
| 09/12/2001 | EP0847642A4 Am compatible digital waveform demodulation using a dual fft |
| 09/04/2001 | US6285249 Controlled stochastic resonance circuit |
| 08/29/2001 | EP1127440A1 Phase interpolation receiver for angle modulated rf signals |
| 08/22/2001 | EP1125407A1 Method for ask demodulation and ask demodulator |