| Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890) |
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| 08/03/2004 | US6771943 Image rejection |
| 07/29/2004 | WO2004063851A2 Method and apparatus for compressing header information for short data burst messaging |
| 07/29/2004 | CA2512684A1 Method and apparatus for compressing header information for short data burst messaging |
| 07/28/2004 | CN1159838C Self-adaptive detection circuit |
| 07/27/2004 | US6768373 Circuit configuration for demodulating a voltage which is ASK modulated by altering the amplitude between a low level and a high level |
| 07/15/2004 | US20040136476 Method and apparatus for compressing header information for short data burst messaging |
| 07/15/2004 | US20040136445 Method and apparatus for interference suppression with efficient matrix inversion in a DS-CDMA system |
| 07/08/2004 | US20040132418 Method for separating a RDS signal component and signal receiver |
| 07/06/2004 | US6760390 Log-map metric calculation using the avg* kernel |
| 07/01/2004 | WO2004055970A1 Activation signal output circuit and determining circuit |
| 07/01/2004 | US20040125891 AM detecting apparatus with overmodulation detecting function |
| 06/29/2004 | US6757343 Discrete wavelet transform system architecture design using filterbank factorization |
| 06/29/2004 | US6757340 Radio receiver and method for preloading an average DC-offset into a channel filter |
| 06/23/2004 | EP1432157A1 Method for separating a RDS signal component and signal receiver |
| 06/22/2004 | US6754480 Baseband analog circuit with improved noise characteristics |
| 06/17/2004 | WO2004036811A9 Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system |
| 06/16/2004 | CN1154245C 接收电路 Receiving circuit |
| 06/08/2004 | US6748029 Apparatus for restoring carrier wave and method therefor |
| 06/08/2004 | US6748028 Digital AM demodulator, particularly for demodulating TV signals |
| 06/02/2004 | CN1501590A 接收电路 Receiving circuit |
| 06/01/2004 | US6744309 Absolute value amplitude baseband detector |
| 05/27/2004 | US20040101067 Demodulator and receiver using it |
| 05/26/2004 | CN1500332A Circuit arrangement for demodulating voltage that is (ask)-inodulated by change of amplitude between low and high level |
| 05/26/2004 | CN1499710A Device in one-way on state |
| 05/19/2004 | EP1316144B1 Receiver circuit, especially for mobile radiotelephony |
| 05/19/2004 | DE10233220B3 Komparator mit Hysterese Comparator with hysteresis |
| 05/13/2004 | US20040091062 Radio receiver |
| 05/12/2004 | EP1417771A1 Stereodecoder |
| 05/05/2004 | CN1148873C Method for controlling communication system, single chip RF communication system and RF communication system |
| 05/04/2004 | US6731923 Direct conversion circuit for radio frequency signals |
| 04/29/2004 | WO2004036811A2 Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system |
| 04/29/2004 | US20040081234 Electronic device including image forming apparatus |
| 04/28/2004 | CN1148009C Homodyne radio receiver |
| 04/27/2004 | US6728322 Sequential decoder, and receiver using sequential decoder |
| 04/22/2004 | DE4340012B4 Demodulator Demodulator |
| 04/21/2004 | CN1147099C Method for ASK demodulation and ASK demodulator |
| 04/20/2004 | US6724839 Adaptive inter-symbol interference boost equalization apparatus and method |
| 04/20/2004 | US6724838 Methods and apparatus to despread dual codes for CDMA systems |
| 04/08/2004 | WO2004030300A1 Method and circuit arrangement for demodulating a digital amplitude-modulated radio signal |
| 04/08/2004 | WO2004030205A1 Start signal output circuit |
| 04/08/2004 | US20040066227 Circuit configuration for demodulating a voltage which is ASK modulated by altering the amplitude between a low level and a high level |
| 04/01/2004 | DE10244450A1 Verfahren und Schaltungsanordnung zur Demodulation eines digitalen amplitudenmodulierten Funksignals Method and circuit for demodulating a digital amplitude-modulated radio signal |
| 03/30/2004 | CA2239889C Decoder for a trellis encoded signal corrupted by ntsc co-channel interference and white noise |
| 03/25/2004 | US20040056691 Comparator with hysteresis |
| 03/25/2004 | US20040056689 Method and structure for integrated circuit interference isolation enhancement |
| 03/23/2004 | US6710716 Power detecting circuit and demodulator comprising the same |
| 03/11/2004 | WO2004021270A1 Method for regulating the input signal of a non-contact transponder |
| 03/11/2004 | WO2003067751A3 Digital phase locked loop |
| 03/09/2004 | USRE38456 Decimation of baseband DTV signals prior to channel equalization in digital television signal receivers |
| 03/04/2004 | DE10251459A1 Verfahren zum Regeln des Eingangssignals eines Kontaktlos-Transponders A method of controlling the input signal of a contactless transponder |
| 03/03/2004 | CN1479968A Process and device for detecting and processing signal waves |
| 02/26/2004 | US20040037374 Efficient partial response equalization |
| 02/17/2004 | US6694026 Digital stereo recovery circuitry and method for radio receivers |
| 02/12/2004 | US20040029544 Direct conversion circuit capable of eliminating distortion of base band signals |
| 02/11/2004 | EP1388933A2 Direct conversion circuit capable of eliminating distirsion of base band signals |
| 02/04/2004 | EP1387492A2 Comparator with hysteresis |
| 02/04/2004 | EP1387484A1 Demodulator and receiver using it |
| 02/04/2004 | EP1125407B1 Method for ask demodulation and ask demodulator |
| 02/03/2004 | US6687313 Digital television receiver converting vestigial-sideband signals to double-sideband AM signals before demodulation |
| 01/29/2004 | WO2004010572A1 Co-channel interference receiver |
| 01/29/2004 | US20040017856 Method and device for convolutive encoding and transmission by packets of a digital data series flow, and corresponding decoding method and device |
| 01/27/2004 | US6683914 Method for convolutive encoding and transmission by packets of a digital data series flow, and corresponding decoding method device |
| 01/22/2004 | US20040012834 Method and device for the recording and processing signal waves |
| 01/21/2004 | CN1135803C Non-coherent six-port receiver |
| 01/15/2004 | US20040008801 VSB reception system |
| 01/13/2004 | US6678339 Globally optimum maximum likelihood estimation of joint carrier frequency offset and symbol timing error in multi-carrier systems |
| 01/13/2004 | US6677892 Process for the phase amplitude demodulation of a received radar signal and device implementing such a process |
| 01/13/2004 | US6677732 Charge and/or discharge circuit, and carrier detector circuit using same |
| 01/08/2004 | WO2004004147A1 Radio receiver |
| 01/07/2004 | CN1134114C Gilbert mixer with folding structure |
| 01/02/2004 | EP1374514A2 Demodulator for amplitude shift key (ask)-modulated signals |
| 01/01/2004 | US20040001564 Reduced complexity receiver for space-time- bit-interleaved coded modulation |
| 12/25/2003 | US20030234675 Limiting amplifier with a power detection circuit |
| 12/16/2003 | US6665355 Method and apparatus for pilot-aided carrier acquisition of vestigial sideband signal |
| 12/11/2003 | WO2003103132A1 Quadratic nyquist slope filter |
| 12/10/2003 | CN1461518A Method and device for detecting and processing signal waves |
| 12/04/2003 | US20030224725 Digital television receiver converting vestigial-sideband signals to double-sideband AM signals before demodulation |
| 12/04/2003 | US20030223518 Adaptive RFI canceller for DSL |
| 12/04/2003 | US20030223017 Quadratic nyquist slope filter |
| 12/03/2003 | EP1367735A1 Direct conversion receiver |
| 12/02/2003 | US6658070 Direct conversion receiver and method of compensating interference signals generated during processing |
| 11/25/2003 | US6654596 Homodyne radio receiver having DC compensation |
| 11/19/2003 | EP0801866B1 Phase detector in a carrier recovery network for a vestigial sideband signal |
| 11/19/2003 | CN1128538C NTSC with signal receivers with reduced sensitivity to interference from co-channel digital television signals |
| 11/12/2003 | CN1127808C Method and apparatus for saving current while performing signal strength measurements in homodyne receiver |
| 11/06/2003 | WO2003092151A1 Demodulator using digital circuitry |
| 10/28/2003 | US6640093 Broadcast receiver |
| 10/28/2003 | US6639459 Demodulator using digital circuitry |
| 10/23/2003 | US20030198305 Co-channel interference receiver |
| 10/22/2003 | EP1210766B1 Automatic gain control loop for frequency conversion of quadrature signals |
| 10/21/2003 | US6636731 Demodulation method preserving a high spectral purity |
| 10/16/2003 | US20030193618 Radio receiver for receiving both vsb and qam digital hdtv signals |
| 10/09/2003 | US20030189998 Compensation circuit and method for reducing intersymbol interference products caused by signal transmission via dispersive media |
| 10/09/2003 | US20030189997 Compensation method for reducing intersymbol interference products caused by signal transmission via dispersive media |
| 10/09/2003 | US20030189996 Compensation circuit for reducing intersymbol interference products caused by signal transmission via dispersive media |
| 10/08/2003 | EP1350310A2 Reduced soft output information packet selection |
| 10/02/2003 | WO2003081869A1 Adaptive rfi canceller for dsl |
| 09/16/2003 | CA2262882C Frequency lock indicator for fpll demodulated signal having a pilot |
| 09/16/2003 | CA2257238C Dc offset compensation method and apparatus |
| 09/09/2003 | US6618451 Efficient reduced state maximum likelihood sequence estimator |