using companding of the stereo difference signal

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CPC
H04B1/1692

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HELECTRICITY H04Electric communication H04BTRANSMISSION H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00 Details of transmission systems not characterised by the medium used for transmission

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H04B1/1692using companding of the stereo difference signal

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Patents Grantslast 30 patents

Information Patent Grant
Method for noise reduction of a FM signal
- Patent number 7,362,872
- Issue date Apr 22, 2008
- Sony Deutschland GmbH
- Jens Wildhagen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FM composite signal processor
- Patent number 5,913,152
- Issue date Jun 15, 1999
- Solid Electronics Labs
- Stephen J. Hemphill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal distinction circuit
- Patent number 4,982,431
- Issue date Jan 1, 1991
- Sanyo Electric Co., Ltd.
- Masaya Tanno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fm stereo demodulator
- Patent number 4,972,482
- Issue date Nov 20, 1990
- Sanyo Electric Co., Ltd.
- Kazuhisa Ishiguro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FM/FMX stereophonic receiver
- Patent number 4,916,741
- Issue date Apr 10, 1990
- Sanyo Electric Co., Ltd.
- Tsutomu Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal distinction circuit
- Patent number 4,914,680
- Issue date Apr 3, 1990
- Sanyo Electric Co., Ltd.
- Masaya Tanno
- G01 - MEASURING TESTING
Information Patent Grant
FMX stereophonic broadcast receiver
- Patent number 4,864,637
- Issue date Sep 5, 1989
- Sanyo Electric Co, Ltd.
- Tsutomu Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FMX stereophonic receiver
- Patent number 4,852,167
- Issue date Jul 25, 1989
- Sanyo Electric Co., Ltd.
- Noboru Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selective decoder for compatible FM stereophonic system utilizing c...
- Patent number 4,817,151
- Issue date Mar 28, 1989
- Broadcast Technology Partners
- Murray L. Bod
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FM/FMX stereophonic receiver
- Patent number 4,809,328
- Issue date Feb 28, 1989
- Sanyo Electric Co., Ltd.
- Noboru Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FM stereophonic broadcasting system utilizing simultaneous compandi...
- Patent number 4,771,464
- Issue date Sep 13, 1988
- Broadcast Technology Partners
- Jeffrey B. Kadin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver for compatible FM stereophonic system utilizing companding...
- Patent number 4,769,841
- Issue date Sep 6, 1988
- Broadcast Technology Partners
- Aldo G. Cugnini
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver for FM stereophonic broadcasting system utilizing circuits...
- Patent number 4,751,734
- Issue date Jun 14, 1988
- Broadcast Technology Partners
- Thomas E. Rucktenwald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive expanders for FM stereophonic broadcasting system utilizin...
- Patent number 4,602,381
- Issue date Jul 22, 1986
- CBS Inc.
- Aldo G. Cugnini
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compatible transmission techniques for FM stereophonic radio and te...
- Patent number 4,602,380
- Issue date Jul 22, 1986
- CBS Inc.
- David W. Stebbings
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Digital stereo multiplexing-demultiplexing system based on linear p...
- Publication number 20200177220
- Publication date Jun 4, 2020
- Djuro George Zrilic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Circuit for processing audio signals
- Publication number 20050163321
- Publication date Jul 28, 2005
- SANYO ELECTRIC CO., LTD.
- Takeyoshi Meguro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Linear phase compander for FM broadcast
- Publication number 20030045312
- Publication date Mar 6, 2003
- Jens Wildhagen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for noise reduction of a FM signal
- Publication number 20030039371
- Publication date Feb 27, 2003
- Jens Wildhagen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FM composite signal processor
- Publication number 20020094793
- Publication date Jul 18, 2002
- Stephen J. Hemphill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using companding of the stereo difference signal

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for noise reduction of a FM signal

FM composite signal processor

Signal distinction circuit

Fm stereo demodulator

FM/FMX stereophonic receiver

Signal distinction circuit

FMX stereophonic broadcast receiver

FMX stereophonic receiver

Selective decoder for compatible FM stereophonic system utilizing c...

FM/FMX stereophonic receiver

FM stereophonic broadcasting system utilizing simultaneous compandi...

Receiver for compatible FM stereophonic system utilizing companding...

Receiver for FM stereophonic broadcasting system utilizing circuits...

Adaptive expanders for FM stereophonic broadcasting system utilizin...

Compatible transmission techniques for FM stereophonic radio and te...

Patents Applicationslast 30 patents

Digital stereo multiplexing-demultiplexing system based on linear p...

Circuit for processing audio signals

Linear phase compander for FM broadcast

Method for noise reduction of a FM signal

FM composite signal processor