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Class Information
Number: 375/336
Name: Pulse or digital communications > Receivers > Angle modulation > Frequency shift keying > Minimum shift keying
Description: Subject matter for receiving a signal having frequency shifts equal to the minimum necessary to distinguish a mark from a space.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7593487 |
Non-redundant differential MSK demodulator with double error correction capability |
Sep. 22, 2009 |
| 7570705 |
GMSK modulation using a dual-port memory |
Aug. 4, 2009 |
| 7570719 |
Receiver and a receiving method |
Aug. 4, 2009 |
| 7551701 |
Frequency domain training of prefilters with interference suppression |
Jun. 23, 2009 |
| 7508884 |
System and method for communicating data using constant amplitude equalized waveform |
Mar. 24, 2009 |
| 7492839 |
Efficient implementation of GSM/GPRS equalizer |
Feb. 17, 2009 |
| 7460618 |
System and method for obtaining accurate symbol rate and carrier phase, frequency, and timing acquisition for minimum shift keyed waveform |
Dec. 2, 2008 |
| 7158588 |
System and method for obtaining accurate symbol rate and carrier phase, frequency, and timing acquisition for minimum shift keyed waveform |
Jan. 2, 2007 |
| 7065157 |
GMSK modulation techniques |
Jun. 20, 2006 |
| 7035354 |
CDMA multi-user detection with a real symbol constellation |
Apr. 25, 2006 |
| 6999548 |
Communication channel detector and channel detection method |
Feb. 14, 2006 |
| 6879647 |
Radio receiver AM-MSK processing techniques |
Apr. 12, 2005 |
| 6711218 |
System and method for received signal decoding |
Mar. 23, 2004 |
| 6411661 |
Digital timing recovery loop for GMSK demodulators |
Jun. 25, 2002 |
| 6323727 |
Apparatus and method for detecting digital FM |
Nov. 27, 2001 |
| 6160858 |
MSK signal processing in a GPS correlator channel |
Dec. 12, 2000 |
| 5994953 |
Apparatus and method for detecting digital FM |
Nov. 30, 1999 |
| 5991346 |
Method for determining the best time to sample an information signal |
Nov. 23, 1999 |
| 5963586 |
Method and apparatus for parallel noncoherent correlation of a spread spectrum signal |
Oct. 5, 1999 |
| 5963585 |
MSK spread-spectrum receiver which allows CDMA operations |
Oct. 5, 1999 |
| 5903186 |
Demodulator of MSK signal |
May. 11, 1999 |
| 5881100 |
Method and apparatus for coherent correlation of a spread spectrum signal |
Mar. 9, 1999 |
| 5875213 |
GMSK communication device test system |
Feb. 23, 1999 |
| 5867059 |
Demodulating system for MSK and GMSK signal using a fast fourier transform converter |
Feb. 2, 1999 |
| 5856998 |
Method and apparatus for correlating a continuous phase modulated spread spectrum signal |
Jan. 5, 1999 |
| 5848105 |
GMSK signal processors for improved communications capacity and quality |
Dec. 8, 1998 |
| 5825810 |
MSK spread-spectrum receiver which allows CDMA operations |
Oct. 20, 1998 |
| 5796780 |
Coherent modulation of CPM signals |
Aug. 18, 1998 |
| 5784416 |
Method and apparatus for detection of a communication signal |
Jul. 21, 1998 |
| 5754585 |
Method and apparatus for serial noncoherent correlation of a spread spectrum signal |
May. 19, 1998 |
| 5727030 |
Automatic frequency control circuit applicable to a mobile communication system |
Mar. 10, 1998 |
| 5659574 |
Multi-bit correlation of continuous phase modulated signals |
Aug. 19, 1997 |
| 5652541 |
Data demodulator employing decision feedback for reference parameter recovery and method used therin |
Jul. 29, 1997 |
| 5633895 |
Communication device with synchronized zero-crossing demodulator and method |
May. 27, 1997 |
| 5629956 |
Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal |
May. 13, 1997 |
| 5602877 |
Method and apparatus for information recovery in a radio communication device |
Feb. 11, 1997 |
| 5592514 |
Method of performing signal reconstruction at the receiving end of a communications system, such as for GSM |
Jan. 7, 1997 |
| 5583890 |
Error correction of MSK signals dependent on sample quality |
Dec. 10, 1996 |
| 5557643 |
Automatic frequency control system for GMSK-modulated signals |
Sep. 17, 1996 |
| 5514998 |
Method and system for demodulating GMSK signals in a cellular digital packet data system |
May. 7, 1996 |
| 5459762 |
Variable multi-threshold detection for 0.3-GMSK |
Oct. 17, 1995 |
| 5450446 |
Demodulator for digital modulation signals |
Sep. 12, 1995 |
| 5448594 |
One bit differential detector with frequency offset compensation |
Sep. 5, 1995 |
| 5444415 |
Modulation and demodulation of plural channels using analog and digital components |
Aug. 22, 1995 |
| 5425058 |
MSK phase acquisition and tracking method |
Jun. 13, 1995 |
| 5309480 |
Non-coherent quadrature demodulation of MSK signals |
May. 3, 1994 |
| 5278514 |
MSK demodulator using one synchronous detector |
Jan. 11, 1994 |
| 5274672 |
Optimized clock recovery for an MSK system |
Dec. 28, 1993 |
| 5260671 |
Receiving circuit for demodulating an angle modulated signal |
Nov. 9, 1993 |
| 5170131 |
Demodulator for demodulating digital signal modulated by minimum shift keying and method therefor |
Dec. 8, 1992 |
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