Patents
Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890)
09/2003
09/02/2003US6614269 Integrated polyphase amplitude detector
08/2003
08/28/2003US20030160650 Wide dynamic range demodulator for smart cards or contactless tickets
08/26/2003US6611569 Down/up-conversion apparatus and method
08/21/2003US20030156669 Receiver circuit, in particular for a mobile radio
08/21/2003US20030156052 Receiver circuit, particularly for mobile radio
08/19/2003US6608995 Detection circuit for proximity IC card device
08/19/2003US6608869 Dual-carrier heterodyne for separating orthogonal components of complex amplitude-modulation signals
08/19/2003US6608502 Compact transmitter detection circuit with a wide dynamic range
08/14/2003WO2003067751A2 Digital phase locked loop
08/13/2003EP1335486A1 Demodulator for contactless chip cards
08/13/2003CN1436405A 无线电接收机 Radio receiver
08/13/2003CN1436396A 解调电路和解调方法 Demodulation circuit and demodulation method
08/12/2003US6606025 Synchronous demodulator
08/06/2003EP1332594A2 Method and device for the recording and processing of signal waves
07/2003
07/30/2003EP1330869A1 Method and device for detecting and processing signal waves
07/29/2003US6600795 Receiving circuit
07/24/2003US20030137348 Predistortion-based amplifier, transmitter and envelope detector
07/15/2003US6593974 Circuit arrangement for demodulating an intermediate-frequency video signal
07/10/2003US20030128070 Demodulator for an amplitude-modulated alternating signal
07/02/2003CN1113478C Integrated receiver
06/2003
06/19/2003US20030112062 Demodulation circuit and demodulation method
06/18/2003EP1131896B1 Method and apparatus for saving current while performing signal strength measurements in a homodyne receiver
06/10/2003US6577675 Signal separation
06/10/2003US6577182 Device for demodulating an amplitude-modulated signal
06/05/2003WO2002033922A3 Method and device for the recording and processing of signal waves and corresponding method
06/05/2003US20030102906 Amplitude-modulated signal receiving circuit
06/04/2003EP1316144A2 Receiver circuit, especially for mobile radiotelephony
06/04/2003EP1316143A2 Receiver circuit especially for mobile radiotelephony
06/04/2003CN1110945C Method and apparatus for detecting Co-channel interfering NTSC signal accompaning with digital TV signal
05/2003
05/29/2003US20030100270 Wireless audio transmission system
05/28/2003CN1110150C Interference signal cancellation system
05/22/2003WO2003043180A1 Multiple analog and digital downconversion
05/22/2003CA2466351A1 Multiple analog and digital downconversion
05/21/2003EP0752172B1 Carrier independent timing recovery system for a vestigial sideband modulated signal
05/21/2003CN1419335A Positive and negative semi-cycle two-path amplitude modulation technology and modulator and demodulator relative circuit thereof
05/21/2003CN1109439C Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator
05/15/2003US20030092417 Method and apparatus for matching receiver carrier frequency
05/08/2003WO2003038991A1 Power detecting circuit and demodulator comprising it
05/08/2003CA2465128A1 Power detecting circuit and demodulator comprising it
05/07/2003CN1416625A Wireless digital high speed communications
05/02/2003EP1306969A2 Amplitude-modulated signal receiving circuit
04/2003
04/30/2003CN1414713A Amplitude modulation signal receiving circuit
04/30/2003CN1107373C Frequency lock indicator of FPLL demodulated signal having a pilot
04/24/2003CA2409718A1 Amplitude-modulated signal receiving circuit
04/23/2003CN1413387A Communication terminal having receiver and method for removing known interferers from digitized intermediate frequency signal
04/10/2003WO2002082634A3 Demodulator for amplitude shift key (ask)-modulated signals
04/09/2003CN1105424C Compensation for second order intermodulation in homodyne receiver
04/08/2003US6546063 Asynchronous clock for adaptive equalization
04/08/2003US6545728 Digital television receivers that digitize final I-F signals resulting from triple-conversion
03/2003
03/13/2003WO2002021680A3 Receiver circuit especially for mobile radiotelephony
03/12/2003EP1290784A2 Demodulation circuit and demodulation method
03/06/2003WO2002021681A3 Receiver circuit, especially for mobile radiotelephony
03/05/2003CN1102739C Amplitude detecting device
03/04/2003US6529559 Reduced soft output information packet selection
03/04/2003US6529072 Predistortion-based amplifier, transmitter and envelope detector
02/2003
02/27/2003WO2003017512A1 Stereodecoder
02/26/2003EP1286460A1 Power detecting circuit and demodulator comprising the same
02/25/2003US6526101 Receiver for QAM digital television signals
02/19/2003EP1284542A1 Stereodecoder
02/19/2003EP1284047A2 Radio receiver
02/13/2003WO2003012978A1 Am detection circuit
02/12/2003CN1396715A Charging circuit and/or discharge circuit and carrier detection circuit using them
02/11/2003US6519299 Methods and apparatus to despread dual codes for CDMA systems
02/11/2003US6519295 VSB DTV receiver with real-only digital synchrodyne to recover baseband symbol code
02/06/2003US20030027610 Secondary automatic gain control loops for direct conversion CDMA receivers
02/05/2003EP1281262A1 System and method for peak power reduction in spread spectrum communications systems
02/05/2003CN1395372A Gilbert mixer with folding structure
02/04/2003US6516038 Receiving circuit
01/2003
01/30/2003US20030020515 Compact transmitter detection circuit with a wide dynamic range
01/28/2003US6512555 Radio receiver for vestigal-sideband amplitude-modulation digital television signals
01/15/2003CN1391722A Apparatus and method for substantially eliminating near-channel interfering amplitude modulated signal
01/02/2003EP1269702A1 Demodulator of an amplitude-modulated alternating signal
01/01/2003CN1389022A 直接变换接收装置 Direct conversion receiver
12/2002
12/31/2002CA2098372C Receiver adaptively operable for multiple signal transmission systems
12/27/2002WO2001097372A3 Demodulation circuit and demodulation method
12/26/2002US20020196870 AM demodulator
12/25/2002CN1097388C Digital VSB detector for high resolution TV receiver
12/19/2002US20020190759 Electrochemically accelerated self-assembly of molecular devices
12/17/2002US6496549 Method and apparatus for demodulating amplitude-shift keyed data signals
12/05/2002WO2002070789A3 Electrical potential-assisted assembly of molecular devices
12/05/2002WO2002056567A3 Reduced soft output information packet selection
11/2002
11/27/2002CN1381954A Detecting circuit of wide dynamic range supplied by small emitter
11/20/2002EP1078450A4 Methods and apparatus for timing recovery of vestigial sideband (vsb) modulated signals
11/19/2002US6484042 Secondary automatic gain control loops for direct conversion CDMA receivers
11/19/2002CA2150389C Efficient digital quadrature demodulator
11/14/2002WO2002091564A1 Demodulator and receiver using it
11/14/2002CA2446483A1 Demodulator and receiver using it
11/12/2002US6480589 CPE alert signal detector and caller identification detector using peak detection
11/07/2002US20020163391 Local oscillator leakage control in direct conversion processes
10/2002
10/24/2002WO2002027948A8 A method for converting electric signals and a converter therefor
10/24/2002US20020155822 Direct conversion receiver
10/24/2002US20020154704 Reduced soft output information packet selection
10/23/2002EP1250771A1 Wireless digital high speed communications
10/22/2002US6469661 Correction of I/Q channel errors without calibration
10/17/2002WO2002082634A2 Demodulator for amplitude shift key (ask)-modulated signals
10/17/2002WO2001086919A3 Radio receiver
09/2002
09/12/2002WO2002070789A2 Electrical potential-assisted assembly of molecular devices
09/05/2002US20020122509 Apparatus and method for baseband detection
09/04/2002CN1367951A 改进的二极管检波器 Improved diode detector
09/04/2002CN1367579A Self-adaptive detection circuit
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