| |
 |
|
Class Information
Number: 375/277
Name: Pulse or digital communications > Systems using alternating or pulsating current > Angle modulation > Frequency shift keying > Vestigial or single sideband, or suppressed carrier
Description: Subject matter wherein one complete sideband, with or without the carrier wave and with or without the complimentary sideband, is utilized.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40779 |
Communication system |
Jun. 23, 2009 |
| 7515641 |
Apparatus and method for processing ranging channel in orthogonal frequency division multiple access system |
Apr. 7, 2009 |
| 7433417 |
Receiver with a signal path |
Oct. 7, 2008 |
| RE40241 |
Communication system |
Apr. 15, 2008 |
| RE40242 |
Communication system |
Apr. 15, 2008 |
| 7177609 |
Chopper-direct-conversion (CDC) radio architecture |
Feb. 13, 2007 |
| 7050511 |
In-band adjacent-channel digital audio broadcasting system |
May. 23, 2006 |
| 6891898 |
System and method for recovering symbol timing offset and carrier frequency error in an OFDM digital audio broadcast system |
May. 10, 2005 |
| 6771707 |
Digital television receiver converting vestigial-sideband signals to double-sideband AM signals before demodulation |
Aug. 3, 2004 |
| 6539063 |
System and method for recovering symbol timing offset and carrier frequency error in an OFDM digital audio broadcast system |
Mar. 25, 2003 |
| 6430228 |
Digital QAM modulator using post filtering carrier recombination |
Aug. 6, 2002 |
| 6426780 |
DTV receiver with low-band final I-F signal filtered for suppressing co-channel interfering NTSC audio carrier |
Jul. 30, 2002 |
| 6141387 |
Digital QAM modulator using post filtering carrier recombination |
Oct. 31, 2000 |
| 6075822 |
Traceback device of a trellis decoder |
Jun. 13, 2000 |
| 5987070 |
VSB mode selection system |
Nov. 16, 1999 |
| 5930303 |
Digital modulation employing single sideband with suppressed carrier |
Jul. 27, 1999 |
| 5694419 |
Shared resource modulator-demodulator circuits for use with vestigial sideband signals |
Dec. 2, 1997 |
| 5692013 |
Shared resources modulator-demodulator circuits for use with quadrature amplitude modulated signals |
Nov. 25, 1997 |
| 5508748 |
Data level selection for multilevel VSB transmission system |
Apr. 16, 1996 |
| 5398258 |
Wireless communication system |
Mar. 14, 1995 |
| 5241566 |
Full duplex FSK system |
Aug. 31, 1993 |
| 5020133 |
Phase/frequency modulator |
May. 28, 1991 |
| 4748641 |
Suppressed carrier modulation method |
May. 31, 1988 |
| 4742532 |
High speed binary data communication system |
May. 3, 1988 |
| 4669091 |
Adaptive multipath distortion equalizer |
May. 26, 1987 |
| 4654608 |
Double sideband generation with serrodyne modulators |
Mar. 31, 1987 |
| 4542534 |
Single-sideband FM |
Sep. 17, 1985 |
| 4509135 |
Cosine signal correction circuit |
Apr. 2, 1985 |
| 4500856 |
Simplified minimum shift keying modulator |
Feb. 19, 1985 |
| 4262360 |
Method and device for detecting a pseudo-random sequence of carrier phase changes of 0.degree. and 180.degree. in a data receiver |
Apr. 14, 1981 |
| 4253186 |
Method and device for detecting a pseudo-random sequence of two symbols in a data receiver employing double sideband-quadrature carrier modulation |
Feb. 24, 1981 |
| 4199809 |
Programmable data terminal set |
Apr. 22, 1980 |
| 4074198 |
System for suppressing sideband components of angle-modulated wave |
Feb. 14, 1978 |
| 3967202 |
Data transmission system including an RF transponder for generating a broad spectrum of intelligence bearing sidebands |
Jun. 29, 1976 |
|
|
|
