| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
|---|
| 05/02/2002 | US20020051503 Receiver in a radio communication system |
| 05/02/2002 | US20020051497 Method and quadrature device for compensating mismatch in parallel paths by switching signals therein |
| 05/02/2002 | EP1202445A1 Device for cancelling DC-Offsets in a quadrature demodulator, and method |
| 05/02/2002 | EP1201029A1 Automatic gain control and offset correction |
| 04/25/2002 | US20020049044 Phase-linear wide band frequency conversion |
| 04/24/2002 | EP1199796A1 Frequency Converter |
| 04/23/2002 | US6377639 Method, system, and apparatus for unambiguous phase synchronization |
| 04/23/2002 | US6377315 System and method for providing a low power receiver design |
| 04/19/2002 | CA2358643A1 Phase-linear wide band frequency conversion |
| 04/18/2002 | WO2002031965A1 Demodulator and receiver |
| 04/18/2002 | WO2002013186A3 Digital interface |
| 04/18/2002 | US20020044613 I/Q demodulator device with three power detectors and two A/D converters |
| 04/17/2002 | EP1058968A4 Quadrature-free rf receiver for directly receiving angle modulated signal |
| 04/16/2002 | US6373883 Radio receiver and a radio transmitter |
| 04/11/2002 | WO2002030080A1 Adaptive filtering and dc offset removal for communications systems |
| 04/11/2002 | WO2002029985A2 A calibrated dc compensation system for a wireless communication device configured in a zero intermediate frequency architecture |
| 04/11/2002 | WO2002029968A2 Quardrature direct-conversion demodolator using dc offset compensation |
| 04/11/2002 | US20020042256 Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture |
| 04/11/2002 | US20020042255 System and method for detecting and correcting phase error between differential signals |
| 04/10/2002 | EP1195002A2 Device for frequency down-converting using undersampling , and method |
| 04/10/2002 | EP1195001A1 Method and device for correcting a corrupted useful signal |
| 04/10/2002 | EP1020024B1 Filtering arrangement and slope detector for quadrature amplitude modulated signals |
| 04/10/2002 | CN1344435A 无线fm接收机 Fm radio receiver |
| 04/10/2002 | CN1082750C Automatic tuning of radio transceiver |
| 04/09/2002 | US6369647 Demodulator circuit and method of tuning |
| 04/04/2002 | WO2002027952A1 Frequency conversion |
| 04/04/2002 | US20020039893 Frequency conversion |
| 04/04/2002 | US20020039052 Quadrature oscillator with phase error correction |
| 04/03/2002 | EP1193857A2 DC error correction for direct conversion receiver |
| 04/03/2002 | EP1192723A1 Programmable digital intermediate frequency transceiver |
| 04/03/2002 | EP1192709A1 Device and method for demodulating frequency-modulated signals |
| 04/02/2002 | US6366173 Phase synchronous circuit and electronic device using the same |
| 03/28/2002 | WO2002025804A2 Calibration of a quadrature receiver |
| 03/28/2002 | WO2002025803A2 Complex valued delta sigma phase locked loop demodulator |
| 03/28/2002 | US20020037706 Baseband circuit incorporated in direct conversion receiver free from direct-current offset voltage without change of cut-off frequency |
| 03/26/2002 | US6363034 Methods and apparatus for phase angle demodulation |
| 03/21/2002 | WO2002023713A2 Direct conversion tuner |
| 03/20/2002 | EP1189338A1 I/Q demodulator device with three power detectors and two A/D converters |
| 03/20/2002 | EP0940005B1 Method and device for use with phase modulated signals |
| 03/20/2002 | CN1341297A Homodyne radio receiver |
| 03/19/2002 | US6360087 Direct conversion receiver |
| 03/12/2002 | US6356748 Spectrum control for direct conversion radio frequency reception |
| 03/12/2002 | US6356747 Intermediary low-frequency frequency-conversion radiofrequency reception |
| 03/12/2002 | US6356736 Direct-conversion tuner integrated circuit for direct broadcast satellite television |
| 03/12/2002 | US6356594 Data converter |
| 03/12/2002 | US6356145 Demodulator circuit which demodulates a signal without any restriction from a clock signal |
| 03/07/2002 | WO2002019553A1 Direct conversion receiver |
| 03/06/2002 | EP1183841A1 Compensation of mismatch in quadrature devices |
| 03/06/2002 | CN1080518C Sine-wave modulator and play-back/recording modulator-demod-ulator for high-fidelity video play-back-recording system |
| 03/05/2002 | US6353639 Filter configuration and slope detector for quadrature amplitude modulated signals |
| 02/27/2002 | CN1080051C Precise detection method and apparatus of frequency error |
| 02/27/2002 | CN1080025C Digital calibration of a transceiver |
| 02/21/2002 | US20020021685 Radio communication apparatus |
| 02/20/2002 | CN1337096A Improvements relating to polyphase receivers |
| 02/14/2002 | WO2002013186A2 Digital interface |
| 02/14/2002 | WO2001047202A3 Phase comparator using undersampling |
| 02/13/2002 | CN1336062A Phase interpolation receiver for angle modulated RF signals |
| 02/13/2002 | CN1336039A A communication signal receiver and an operating method therefor |
| 02/13/2002 | CN1335678A Phase-shift circuit and FM detecting circuit |
| 02/12/2002 | US6347286 Method and device operating by interpolation in a discrete spectrum to determine characteristics of a signal and application thereof |
| 02/06/2002 | EP1178604A1 Frequency converting system for FM signals |
| 02/06/2002 | CN1334664A Radio communication apparatus |
| 01/31/2002 | WO2002009270A2 System and apparatus for a direct conversion receiver and transmitter |
| 01/31/2002 | WO2001026215A3 Down converter using subsampling |
| 01/31/2002 | US20020012407 Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal |
| 01/31/2002 | CA2416829A1 System and apparatus for a direct conversion receiver and transmitter |
| 01/30/2002 | EP1176709A2 Radio communication apparatus |
| 01/30/2002 | EP1064720B1 Demodulator circuits |
| 01/30/2002 | CN1078788C Receiver having an adjustable symbol slice demodulator |
| 01/24/2002 | US20020009161 Demodulator structure utilizing DC switches |
| 01/23/2002 | EP1175054A1 Receiver |
| 01/22/2002 | US6340883 Wide band IQ splitting apparatus and calibration method therefor with balanced amplitude and phase between I and Q |
| 01/16/2002 | EP1172928A2 DC offset correction circuit and AGC in zero-if wireless receivers |
| 01/16/2002 | EP1172927A1 Quadrature demodulator using power sensors |
| 01/15/2002 | US6339623 Reference carrier generator device for pulling a reference carrier out of a false stabilized point into a correct stabilized point of synchronism |
| 01/10/2002 | US20020003444 Semiconductor integrated circuit |
| 01/08/2002 | US6337888 In-phase and quadrature signal regeneration |
| 01/08/2002 | US6337885 Radio receiver that digitizes a received signal at a plurality of digitization frequencies |
| 01/02/2002 | EP1168597A1 Quadrature Receiver with Orthogonality Correction |
| 01/01/2002 | US6335659 Demodulator circuits |
| 12/27/2001 | US20010055957 Frequency-stabilized transceiver configuration |
| 12/20/2001 | WO2001097416A2 Method and apparatus for reduction of interference in fm in-band on-channel digital audio broadcasting receivers |
| 12/20/2001 | WO2001069777A3 Assembly and method for compensating the offset of a mixer |
| 12/20/2001 | CA2414189A1 Method and apparatus for reduction of interference in fm in-band on-channel digital audio broadcasting receivers |
| 12/19/2001 | EP1164692A2 Receiver architecture with low intermediate frequency and polyphase filters |
| 12/19/2001 | EP1163719A1 Radio fm receiver |
| 12/19/2001 | EP0934630B1 Homodyne cellular base station |
| 12/19/2001 | CN1076545C A digital radio system, a digital radio device and quadrature demodulator |
| 12/19/2001 | CN1076544C Phase-locked ring type device for demodulation to frequency-modulated signal |
| 12/13/2001 | WO2001026214A3 Frequency converter and method |
| 12/11/2001 | US6330290 Digital I/Q imbalance compensation |
| 11/29/2001 | US20010046847 Carrier reproducing apparatus and method of the same |
| 11/29/2001 | US20010046845 Receiver arrangement for receiving frequency-modulated radio signals and methods of adapting and testing a receiving branch of the receiver arrangement |
| 11/28/2001 | EP1157455A1 Fm demodulator using a differentiator |
| 11/28/2001 | CN1324512A Frequency-stabilized receiver/transmitter circuit arrangement |
| 11/27/2001 | US6324389 Method and circuit arrangement for processing a received signal |
| 11/27/2001 | US6324231 DC offset cancellation apparatus and method for digital demodulatation |
| 11/27/2001 | US6324222 Digital receiver with polyphase structure |
| 11/27/2001 | US6324211 Interrogators communication systems communication methods and methods of processing a communication signal |
| 11/22/2001 | WO2001089169A1 Gain controller for quadrature tranceiver |