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Class Information
Number: 455/206
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Frequency or phase modulation > Responsive to one of overlapping signals
Description: Subject matter in which the receiver has means by which a desired signal is detected regardless of the pressure of an overlapping signal, whether stronger or weaker.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7599680 |
System and method of billing for minutes shared between a portable wireless communication device and a telematics unit |
Oct. 6, 2009 |
| 7231151 |
Cosite interference rejection system using an optical approach |
Jun. 12, 2007 |
| 6633752 |
Base band signal offset correcting circuit for FSK receiving apparatus and method thereof |
Oct. 14, 2003 |
| 5950118 |
Wide bandwidth discriminator for use in a radio receiver |
Sep. 7, 1999 |
| 5905777 |
E-mail paging system |
May. 18, 1999 |
| 5875389 |
SSB radio receiver |
Feb. 23, 1999 |
| 5697086 |
Co-channel FM signal/interference canceller |
Dec. 9, 1997 |
| 5615411 |
Method and apparatus for composite signal separation and FM demodulation |
Mar. 25, 1997 |
| 5608390 |
Synchronous telemetry channel |
Mar. 4, 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 |
| 5339456 |
Method and circuit for non-cooperative interference suppression of radio frequency signals |
Aug. 16, 1994 |
| 4992747 |
Multiple reuse of an FM band |
Feb. 12, 1991 |
| 4878251 |
Interference signal suppressor for a radio receiver |
Oct. 31, 1989 |
| 4859958 |
Multiple reuse of an FM band |
Aug. 22, 1989 |
| 4635298 |
Interference wave detection circuit for use in radio receiver |
Jan. 6, 1987 |
| 4590615 |
Multipath distortion reducing circuit |
May. 20, 1986 |
| 4525868 |
Interference wave detection circuit for use in radio receiver |
Jun. 25, 1985 |
| 4408350 |
Enhanced selectivity signal receiver |
Oct. 4, 1983 |
| 4380082 |
Digital signal receiver with FM interference elimination capability |
Apr. 12, 1983 |
| 4249261 |
Superheterodyne radio receiver with nearby-station interference detection |
Feb. 3, 1981 |
| 4166251 |
System for removing interference distortion in the demodulated signal of a frequency-modulated signal |
Aug. 28, 1979 |
| 4027264 |
Phase lock loop multitone interference canceling system |
May. 31, 1977 |
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