| Patents for H03D 3 - Demodulation of angle-modulated oscillations (6,449) |
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| 05/31/2001 | WO2001039364A1 Two stage quatrature down converter for gps and glonass |
| 05/31/2001 | WO2001039363A1 Fm demodulator using monostables |
| 05/30/2001 | EP1103100A1 Digital reception with radio frequency sampling |
| 05/30/2001 | CN1297619A Quadrature-free RF receiver for directly receiving angle modulated signal |
| 05/29/2001 | US6240142 Quadrature modulator and demodulator |
| 05/25/2001 | WO2001020795A3 Apparatus for interference compensation of a direct conversion transceiver and method |
| 05/25/2001 | WO2000052840A8 Multi-band transceiver utilizing direct conversion receiver and direct conversion receiver |
| 05/24/2001 | US20010001601 Delayed locked loop implementation in a synchronous dynamic random access memory |
| 05/24/2001 | US20010001543 Frequency-voltage conversion circuit and receiving apparatus |
| 05/23/2001 | EP1101336A1 Differentiate and multiply based timing recovery in a quadrature demodulator |
| 05/22/2001 | US6236690 Direct-conversion receiver for digital-modulation signal |
| 05/09/2001 | EP1097508A1 Method and apparatus for compensating for distortion in iq modulators |
| 05/09/2001 | CN1294779A Demodulator circuit |
| 05/09/2001 | CN1294778A Demodulator circuits |
| 05/09/2001 | CN1294777A Demodulator circuits |
| 05/09/2001 | CN1294776A Demodulator circuits |
| 05/08/2001 | US6229386 Digital FM demodulation circuit |
| 04/25/2001 | EP1094596A2 Quadrature receiver with a vco controlled by the demodulated bit-rate |
| 04/25/2001 | CN1292606A Frequency modulation receiver especially for radio data processing system |
| 04/18/2001 | CN1291827A Demodulating method capable of maintaining specular purity |
| 04/17/2001 | US6219534 Radio communication apparatus |
| 04/17/2001 | US6218885 Circuit and method for providing temperature stability in an FM quadrature detector |
| 04/12/2001 | WO2001026260A1 Method and apparatus for comparator tree structure for fast acquisition of offsets induced in a wireless receiver |
| 04/12/2001 | WO2001026215A2 Down converter using subsampling |
| 04/12/2001 | WO2001026214A2 Frequency converter and method |
| 04/11/2001 | EP1091512A1 FM Receiver, especially for RDS |
| 04/11/2001 | EP1064765A4 Direct frequency selection and down-conversion for digital receivers |
| 04/11/2001 | CN1064492C Apparatus for performing frequency conversion in a communication system |
| 04/05/2001 | WO2001024537A2 Method and apparatus for peak tracking a baseband signal |
| 04/05/2001 | WO2001024420A1 Method and apparatus for in the field wireless device calibration |
| 04/05/2001 | WO2001024415A1 Method and apparatus for offset cancellation in a wireless receiver |
| 04/05/2001 | WO2001024390A1 Transmitter/receiver |
| 04/05/2001 | WO2001024376A1 Method and apparatus for identifying a pre-determined pattern from a received signal via correlation |
| 04/05/2001 | WO2001024358A1 System and method for a single conversion tuner |
| 04/05/2001 | WO2001024357A1 Method and apparatus for a frequency synthesizer having a compensated sigma delta modulator output signal |
| 04/04/2001 | EP1089446A1 Radio terminal device |
| 04/04/2001 | EP1089445A1 Three port structure with modulated LO signal |
| 04/04/2001 | EP1089427A1 Method for the comparison of the amplitudes of two electrical signals |
| 04/04/2001 | EP0928514A4 Receiver capable of demodulating multiple digital modulation formats |
| 04/04/2001 | CN1290430A Radio receiver for digitizing received signal at a plurality of digitization frequencies |
| 04/04/2001 | CN1290427A 无线电接收机 Radio receiver |
| 04/04/2001 | CN1289930A Method for comparison of amplitudes of two electric signals |
| 04/03/2001 | US6211925 Video intermediate-frequency signal processing device capable of receiving FM broadcasts |
| 03/29/2001 | WO2000054421A9 Radio terminal device |
| 03/28/2001 | CN1063891C 频率解调电路 Frequency demodulation circuit |
| 03/22/2001 | WO2001020795A2 Apparatus for interference compensation of a direct conversion transceiver and method |
| 03/21/2001 | EP1085651A1 Demodulator using selection of a harmonic signal at the level of intermediate frequency , and process |
| 03/21/2001 | CN1288607A Quadrature modulator and demodulator |
| 03/21/2001 | CN1288331A Digital type modulation signal receiver |
| 03/20/2001 | US6205184 System and method for compressing a transmitted signal to achieve narrow and very narrow band frequency or phase modulation |
| 03/20/2001 | US6205183 Methods of suppressing reference oscillator harmonic interference and related receivers |
| 03/20/2001 | US6205083 Delayed locked loop implementation in a synchronous dynamic random access memory |
| 03/20/2001 | US6204726 Digital demodulator |
| 03/20/2001 | CA2196819C Digital fm demodulator |
| 03/20/2001 | CA2007149C Homodyne down-converter with digital hilbert transform filtering |
| 03/15/2001 | WO2001019047A1 Phase interpolation receiver for angle modulated rf signals |
| 03/14/2001 | EP1083669A1 Radio terminal device |
| 03/08/2001 | WO2001017122A1 Improved method and apparatus for up- and down-conversion of radio frequency (rf) signals |
| 03/08/2001 | WO2001017121A1 Improved method and apparatus for up-conversion of radio frequency (rf) signals |
| 03/08/2001 | WO2001017120A2 Freqency translator using a non-periodic local oscillator signal |
| 03/01/2001 | WO2001015317A1 Automatic gain control loop for frequency conversion of quadrature signals |
| 02/27/2001 | US6195399 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal |
| 02/20/2001 | US6191649 Quadrature demodulator and method for quadrature demodulation |
| 02/20/2001 | CA2296861C Television receiver for tuning a signal including a pilot signal |
| 02/20/2001 | CA2296855C Receiving and demodulating a digital television signal |
| 02/15/2001 | WO2001011786A1 Hybrid bandpass and baseband delta-sigma modulator |
| 02/15/2001 | WO2001011767A1 Modem for wireless local area network |
| 02/15/2001 | WO2000028664A8 Fully integrated tuner architecture |
| 02/15/2001 | CA2378981A1 Hybrid bandpass and baseband delta-sigma modulator |
| 02/13/2001 | US6188880 Apparatus and method for reducing low-frequency distortion in frequency converted signals |
| 02/13/2001 | US6188275 Demodulator tuned by use of a test signal |
| 02/06/2001 | US6185248 Wideband digital microwave receiver |
| 02/01/2001 | WO2001008292A1 Apparatus and method for quadrature tuner error correction |
| 02/01/2001 | DE19926101A1 Error compensator for converting high frequency signals to base band feeds digitized signals of in-phase, quadrature branches to 2-channel adaptive filter, injects test signal during signal pauses |
| 01/31/2001 | CN1061489C Direct frequency conversion tuner |
| 01/30/2001 | US6181751 Multi-stage detection system in digital demodulator |
| 01/30/2001 | US6181750 Apparatus for estimating the frequency difference existing between the carrier frequency of a digital signal and the frequency of a receiver local oscillator |
| 01/30/2001 | US6181740 Sampling system |
| 01/30/2001 | US6181198 Amplitude and phase demodulation circuit for signals with very low modulation index |
| 01/25/2001 | DE19933543C1 FM coincidence demodulator not requiring frequency adjustment |
| 01/25/2001 | DE19928545C1 Mobile radio receiver with calibration facility for FM demodulator |
| 01/24/2001 | EP1070387A1 Dc offset correction for direct conversion tuner ic |
| 01/24/2001 | CN1281597A Receiver with sigma-delta analog-digital converter receiver |
| 01/23/2001 | US6178208 System for recovery of digital data from amplitude and phase modulated line signals using delay lines |
| 01/18/2001 | WO2001005025A1 Method and device for correcting a corrupted useful signal |
| 01/17/2001 | EP1069678A2 Digital FM demodulator performing amplitude compensation |
| 01/17/2001 | CN1280731A Hierarchical transmission digital demodulator |
| 01/16/2001 | US6175728 Direct conversion receiver capable of canceling DC offset voltages |
| 01/16/2001 | US6175269 Demodulation unit and method of demodulating a quadrature |
| 01/11/2001 | WO2001003285A1 Apparatus for receiving and processing a radio frequency signal |
| 01/11/2001 | WO2001003284A1 Device and method for demodulating frequency-modulated signals |
| 01/10/2001 | EP1067674A1 Apparatus and method for receiving and processing a radio frequency signal |
| 01/10/2001 | EP1066679A1 Method and circuit for controlling the compensation of offset voltages of a radio receiver circuit which is integrated in a circuit module |
| 01/10/2001 | EP1066678A1 Digital signal processing architecture for multi-band radio receiver |
| 01/10/2001 | EP1066677A1 Electronic circuits |
| 01/10/2001 | EP1066676A1 Demodulator circuits |
| 01/10/2001 | EP1066675A1 Demoludator circuits |
| 01/10/2001 | CN1279544A Broadcast receiver |
| 01/09/2001 | US6172557 Time counting circuit, pulse converting circuit and FM demodulating circuit |
| 01/04/2001 | WO2001001563A1 Quadricorrelator for a demodulator for frequency-modulated signals |