Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890) |
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04/21/2005 | DE102004019882B4 Empfänger zum Empfangen eines Amplitudentastungssignals Receiver for receiving a Amplitudentastungssignals |
04/20/2005 | EP1076925B1 Rectifier circuit |
04/20/2005 | CN1198429C Quadrature demodulator, quadrature demodulating method |
04/14/2005 | WO2005034502A2 Approximator apparatus, and associated method for approximating an n-dimensional euclidean norm |
04/14/2005 | WO2005034367A2 Ultra-wideband correlating receiver |
04/14/2005 | WO2005018087A3 Procedure for estimating a frequency shift parameter of an oscillator |
04/14/2005 | US20050078773 Method and apparatus for accurately detecting validity of a received signal |
04/14/2005 | US20050077923 Voltage trimming circuit |
04/13/2005 | EP1523146A2 Method for synchronization of a circuit on reception of a modulated signal |
04/07/2005 | DE10346972A1 Eine Begrenzerschaltung verwendende Strom-Spannungs-Umwandlungsschaltung A limiter circuit used current-voltage conversion circuit |
04/06/2005 | CN1604461A Synchronous detection method and device |
03/31/2005 | US20050069062 Ultra-wideband correlating receiver |
03/31/2005 | US20050069061 Cross-correlation signal detector |
03/31/2005 | US20050069059 Ultra-wideband correlating receiver |
03/31/2005 | US20050069058 Approximator apparatus, and associated method, for approximating an N-dimensional euclidean norm |
03/31/2005 | US20050069057 Soft bits normalization apparatus, method, and system |
03/31/2005 | US20050069054 Method and apparatus for providing channel state information |
03/31/2005 | US20050068096 Apparatus for continuous phase quadrature amplitude modulation and demodulation |
03/30/2005 | CN1602011A Method and apparatus for providing channel state information |
03/29/2005 | US6873664 Method and apparatus for detecting an interleaved code |
03/17/2005 | US20050057302 Temperature compensated, high efficiency, controlled input impedance diode detector |
03/16/2005 | EP1515430A1 Mixer for the conversion of radio frequency signals into baseband signals |
03/16/2005 | EP1514344A1 Quadratic nyquist slope filter |
03/09/2005 | CN1591618A Current-voltage transforming circuit employing limiter circuit |
03/03/2005 | WO2005020482A2 Thermal-mechanical signal processing |
03/03/2005 | WO2005020434A2 Shell type actuator |
03/03/2005 | US20050047526 Synchronous detection method and device |
03/03/2005 | US20050046448 Current-voltage transforming circuit employing limiter circuit |
03/02/2005 | EP1509999A1 Demodulator using digital circuitry |
02/24/2005 | WO2005018087A2 Procedure for estimating a frequency shift parameter of an oscillator |
02/23/2005 | CN1585396A Method and apparatus for reducing impulse noise of multicarrier modulated signal |
02/17/2005 | US20050035788 Clamped comparator |
02/17/2005 | DE102004036880A1 Verringerung des Impulsrauschens bei einem MCM-Signal Reduction of the impulse noise in a MCM signal |
02/10/2005 | US20050031023 Systems and methods for parallel signal cancellation |
02/10/2005 | US20050030067 Universal gates for ICs and transformation of netlists for their implementation |
02/09/2005 | CN1578115A Carrier detecting circuit and infrared communication device using same |
02/09/2005 | CN1189001C Phase interpolation receiver for angle modulated RF signals |
02/03/2005 | WO2005011106A2 A low-power wide dynamic range envelope detector system and method |
02/02/2005 | CN1187889C Device for demodulating amplitude-modulated signal |
01/27/2005 | US20050017770 Chopper comparator circuit |
01/26/2005 | EP1316143B1 Receiver circuit especially for mobile radiotelephony |
01/25/2005 | CA2305134C Down/up-conversion apparatus and method |
01/13/2005 | WO2005004338A2 Reduced complexity sliding window based equalizer |
01/13/2005 | CA2530518A1 Reduced complexity sliding window based equalizer |
01/11/2005 | US6842490 Viterbi decoder with adaptive traceback |
01/06/2005 | US20050003786 Carrier detecting circuit and infrared communication device using same |
01/06/2005 | US20050002423 Technique for determining performance characteristics of electronic systems |
01/05/2005 | CN1183727C Radio receiver and method for preloading an average dc-offset into a channel filter |
12/29/2004 | WO2004095082A3 Method and apparatus for reducing interference in an optical data stream using dataindependent equalization |
12/29/2004 | WO2004077667A3 Coherent am demodulator using a weighted lsb/usb sum for interference mitigation |
12/09/2004 | WO2004107561A1 Voltage to current converter |
12/07/2004 | US6828853 Wide dynamic range demodulator for smart cards or contactless tickets |
12/02/2004 | US20040243655 Direct RF sampling for cable applications and other broadband signals |
12/01/2004 | CN2660786Y Diode RF detection circuit |
12/01/2004 | CN1178402C Demodulating method capable of maintaining specular purity |
11/30/2004 | US6826241 Apparatus and method for filtering maximum-length-code signals in a spread spectrum communication system |
11/30/2004 | US6825715 Temperature compensated, high efficiency diode detector |
11/25/2004 | US20040234011 Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal |
11/25/2004 | US20040232950 Voltage to current converter |
11/25/2004 | DE102004019882A1 Empfänger zum Empfangen eines Amplitudentastungssignals Receiver for receiving a Amplitudentastungssignals |
11/24/2004 | EP1479159A2 Digital phase locked loop |
11/24/2004 | EP1219022B1 Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal |
11/23/2004 | US6823181 Universal platform for software defined radio |
11/23/2004 | US6823026 Apparatus and method for baseband detection |
11/23/2004 | US6823025 Amplitude modulation detector |
11/18/2004 | WO2004100537A1 Carrier recovery based demodulation |
11/18/2004 | WO2004100369A2 Temperature compensated, high efficiency diode detector |
11/17/2004 | EP0951751B1 Synchronous demodulator |
11/16/2004 | US6819181 Method and structure for integrated circuit interference isolation enhancement |
11/04/2004 | WO2004095082A2 Method and apparatus for reducing interference in an optical data stream using dataindependent equalization |
11/04/2004 | US20040217807 Temperature compensated, high efficiency diode detector |
11/03/2004 | EP1001543B1 Sequential decoder, and receiver using sequential decoder |
10/28/2004 | US20040214542 Receiver for receiving amplitude shift keying signal |
10/28/2004 | US20040213358 Radio receiver for receiving both VSB and QAM digital HDTV signals |
10/27/2004 | EP1471633A2 Radio receiver and radio signal processing method |
10/21/2004 | US20040208323 Stereodecoder |
10/21/2004 | US20040208266 Method and apparatus for reducing interference in an optical data stream using data-independent equalization |
10/21/2004 | US20040207435 Signal sorting device and method |
10/13/2004 | CN1171379C Up/down conversion apparatus and method |
10/12/2004 | US6803815 Amplitude modulation demodulation circuit |
10/07/2004 | US20040196097 Am detection circuit |
10/06/2004 | EP1464111A1 Multiple analog and digital downconversion |
09/29/2004 | EP0910913B1 Method and apparatus for compensating for a varying d.c. offset in a sampled signal |
09/28/2004 | US6798253 Signal sorting device and method |
09/23/2004 | WO2004073159A3 Systems and methods for parallel signal cancellation |
09/23/2004 | US20040184551 Apparatus and method for sampling timing compensation in multi-carrier system |
09/14/2004 | US6792254 Method of comparing the amplitudes of two electric signals |
09/10/2004 | WO2004077667A2 Coherent am demodulator using a weighted lsb/usb sum for interference mitigation |
09/10/2004 | WO2004063851A3 Method and apparatus for compressing header information for short data burst messaging |
09/08/2004 | CN1166052C Static viterbi detector for channels utilizing code having time varying constraints |
09/01/2004 | CN1526196A Reduced soft output information packet selection |
08/31/2004 | US6785349 Correlation based method of determining frame boundaries of data frames that are periodically extended |
08/26/2004 | WO2004073159A2 Systems and methods for parallel signal cancellation |
08/26/2004 | US20040165680 Coherent AM demodulator using a weighted LSB/USB sum for interference mitigation |
08/19/2004 | US20040160924 Systems and methods for parallel signal cancellation |
08/18/2004 | EP1447905A1 Power detecting circuit and demodulator comprising it |
08/17/2004 | US6778618 Methods and devices for minimizing interblock interference in discrete multi-tone devices |
08/17/2004 | US6778615 Method and apparatus for block noncoherent decoding |
08/10/2004 | US6775809 Technique for determining performance characteristics of electronic systems |
08/05/2004 | WO2004036811A3 Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system |