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Class Information
Number: 329/345
Name: Demodulators > Phase modulation demodulator
Description: Subject matter where the demodulator extracts the modulating signal from a modulated signal which has undergone phase modulation.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7449945 |
Phase demodulator and portable telephone apparatus |
Nov. 11, 2008 |
| 7248649 |
Digital baseband receiver including a time domain compensation module for suppressing group delay variation distortion incurred due to analog low pass filter deficiencies |
Jul. 24, 2007 |
| 7239431 |
System and method for recovering primary channel operation in a facsimile receiver and facsimile machine incorporating the same |
Jul. 3, 2007 |
| 7190742 |
Differential receiver circuit with electronic dispersion compensation |
Mar. 13, 2007 |
| 7190216 |
Demodulation circuit and receiving set |
Mar. 13, 2007 |
| 7129794 |
Phase detector for reducing noise |
Oct. 31, 2006 |
| 7079577 |
Wide window decoder circuit for dual phase pulse modulation |
Jul. 18, 2006 |
| 6859094 |
Phase demodulation method for minimizing phase error in communication signals |
Feb. 22, 2005 |
| 6765435 |
Phase locked loop demodulator and demodulation method using feed-forward tracking error compensation |
Jul. 20, 2004 |
| 6744827 |
Demodulator arrangement, method to demodulate, and telecommunication system comprising such a demodulator arrangement |
Jun. 1, 2004 |
| 6727985 |
System and method for signal acquisition in a distance meter |
Apr. 27, 2004 |
| 6724847 |
Feed-forward symbol synchronizer and methods of operation therefor |
Apr. 20, 2004 |
| 6700940 |
Carrier reproduction circuit |
Mar. 2, 2004 |
| 6611571 |
Apparatus and method for demodulating an angle-modulated signal |
Aug. 26, 2003 |
| 6407629 |
Sample and hold demodulator circuit |
Jun. 18, 2002 |
| 6298099 |
Constant envelope modulation communication system |
Oct. 2, 2001 |
| 6295015 |
Reference generator for demodulator calibration |
Sep. 25, 2001 |
| 6256359 |
RDS signal detection device |
Jul. 3, 2001 |
| 6246729 |
Method and apparatus for decoding a phase encoded data signal |
Jun. 12, 2001 |
| 6166594 |
Self calibrating demodulator system |
Dec. 26, 2000 |
| 6148038 |
Circuit for detecting and decoding phase encoded digital serial data |
Nov. 14, 2000 |
| 6112071 |
Quadrature-free RF receiver for directly receiving angle modulated signal |
Aug. 29, 2000 |
| 6072841 |
Block phase estimator for the coherent detection of non-differentially phase modulated data bursts on rician fading channels |
Jun. 6, 2000 |
| 6064702 |
Four-stage phase demodulation low frequency wireless mouse device |
May. 16, 2000 |
| 6002298 |
Reconstituted frequency modulation with feedforward demodulator |
Dec. 14, 1999 |
| 5949823 |
Data communication system and radio IC card system |
Sep. 7, 1999 |
| 5912929 |
Method and apparatus for performing carrier detection |
Jun. 15, 1999 |
| 5898739 |
QPSK demodulator for obtaining phase by arithmetic operation |
Apr. 27, 1999 |
| 5828708 |
CID demodulator for DCT |
Oct. 27, 1998 |
| 5751187 |
Method and device for phase-modulated signals |
May. 12, 1998 |
| 5724394 |
Viterbi decoding method and decoder capable of eliminating phase indeterminacy |
Mar. 3, 1998 |
| 5703908 |
Fixed reference shift keying modulation for mobile radio telecommunications |
Dec. 30, 1997 |
| 5606581 |
Method and apparatus for the cancellation of interference in electrical systems |
Feb. 25, 1997 |
| 5554955 |
Method and apparatus for removing the effects of co-channel interference from the message on a dominant frequency modulated carrier and for recovering the message from each of two co-channel c |
Sep. 10, 1996 |
| 5550866 |
Digital demodulator reference signal generator having DC blocker and first Hilbert transformation with quadrature output followed by gain staging and combination for second Hilbert transformat |
Aug. 27, 1996 |
| 5444420 |
Numerically controlled phase lock loop synthesizer/modulator and method |
Aug. 22, 1995 |
| 5305086 |
Two step demodulation synchronous detector |
Apr. 19, 1994 |
| 5270666 |
Method and circuitry for demodulation of angle modulated signals by measuring cycle time |
Dec. 14, 1993 |
| 5206601 |
Order statistic signal processor for estimating values of signal parameters and demodulating amplitude-, phase-, and frequency-modulated signals |
Apr. 27, 1993 |
| 5166633 |
Angle modulation dectector |
Nov. 24, 1992 |
| 5121072 |
Digital demodulator for amplitude or angle modulation using truncated nonlinear power series approximations |
Jun. 9, 1992 |
| 5111202 |
Extended dynamic range quadrature detector with parallel channel arrangement |
May. 5, 1992 |
| 4988951 |
Quadrature phase demodulator capable of operating under a wide input dynamic range |
Jan. 29, 1991 |
| 4945312 |
Method and device for the demodulation of signals with constant envelope and continuous phase angle modulation by a train of binary symbols tolerating frequency drifts |
Jul. 31, 1990 |
| 4910469 |
Demodulator for sampled data FM signals |
Mar. 20, 1990 |
| 4888558 |
Phase detector for amplitude modulated radio frequency signals containing a low frequency waveform |
Dec. 19, 1989 |
| 4876699 |
High speed sampled data digital phase detector apparatus |
Oct. 24, 1989 |
| 4871974 |
Coherent phase shift keyed demodulator |
Oct. 3, 1989 |
| 4866449 |
Multichannel alignment system |
Sep. 12, 1989 |
| 4853944 |
Digital AM/FM/.phi.M demodulator |
Aug. 1, 1989 |
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