for AM stereophonic broadcast systems

Industry

CPC
H04H20/49

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Parent Industries

HELECTRICITY H04Electric communication H04HBROADCAST COMMUNICATION H04H20/00Arrangements for broadcast or for distribution combined with broadcast

Current Industry

H04H20/49for AM stereophonic broadcast systems

Industries

Patents Grantslast 30 patents

Information Patent Grant
Carrier phase synchronization system for improved amplitude modulat...
- Patent number 7,881,416
- Issue date Feb 1, 2011
- UT-Battelle, LLC
- Stephen F. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Carrier phase synchronization system for improved amplitude modulat...
- Patent number 7,587,017
- Issue date Sep 8, 2009
- UT-Battelle, LLC
- Stephen F. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and arrangement for digital transmission using AM transmitters
- Patent number 7,406,131
- Issue date Jul 29, 2008
- Deutsche Telekom AG
- Dietmar Rudolph
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving circuit for radio-wave clock broadcast wave
- Patent number 7,383,031
- Issue date Jun 3, 2008
- Sanyo Electric Co., LTD
- Fumihiro Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cochlear implants and apparatus/methods for improving audio signals...
- Patent number 7,225,027
- Issue date May 29, 2007
- Regents of the University of California
- Fan-Gang Zeng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplitude modulation with time- and spectrum-shared sidebands
- Patent number 7,016,659
- Issue date Mar 21, 2006
- Michael L. Dorrough
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM stereo receiver with reduced distortion
- Patent number 6,459,796
- Issue date Oct 1, 2002
- Visteon Global Technologies, Inc.
- John Elliott Whitecar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reducing
- Patent number 6,347,146
- Issue date Feb 12, 2002
- Bose Corporation
- William R. Short
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplitude demodulator
- Patent number 5,915,028
- Issue date Jun 22, 1999
- Robert Bosch GmbH
- Djahanyar Chahabadi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM compatible digital waveform frame timing recovery and frame sync...
- Patent number 5,764,706
- Issue date Jun 9, 1998
- USA Digital Radio Partners, L.P.
- Barry W. Carlin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stereophonic decoder
- Patent number 5,706,350
- Issue date Jan 6, 1998
- Kabushiki Kaisha Toshiba
- Atsusi Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Out-of-lock detector for synchronous AM detection
- Patent number 5,359,661
- Issue date Oct 25, 1994
- Delco Electronics Corporation
- Gregory J. Manlove
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM stereo detection and audio processing apparatus
- Patent number 5,341,431
- Issue date Aug 23, 1994
- Delco Electronics Corporation
- Detlef Griessman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Symmetrically balanced phase and amplitude base band processor for...
- Patent number 5,291,525
- Issue date Mar 1, 1994
- Motorola, Inc.
- Dion M. Funderburk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reducing audible noise in stereo receiving
- Patent number 5,253,298
- Issue date Oct 12, 1993
- Bose Corporation
- Robert P. Parker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit and method for phase error correction in a digital receiver
- Patent number 5,249,204
- Issue date Sep 28, 1993
- Motorola, Inc.
- Dion M. Funderburk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM-FM combined stereo receiver
- Patent number 5,239,699
- Issue date Aug 24, 1993
- Motorola, Inc.
- Lawrence M. Ecklund
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive audio processor for AM stereo signals
- Patent number 5,151,939
- Issue date Sep 29, 1992
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM-FM combined stereo receiver
- Patent number 5,109,542
- Issue date Apr 28, 1992
- Motorola, Inc.
- Lawrence M. Ecklund
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-system AM stereo receiver having preferred mode of operation
- Patent number 5,023,909
- Issue date Jun 11, 1991
- Leonard R. Kahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compatible quadrature amplitude modulation detector system
- Patent number 5,014,316
- Issue date May 7, 1991
- Delco Electronics Corporation
- Jeffrey J. Marrah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM noise reducing
- Patent number 5,008,939
- Issue date Apr 16, 1991
- Bose Corporation
- Amar G. Bose
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of generating an amplitude-modulated ISB transmission signal...
- Patent number 4,955,072
- Issue date Sep 4, 1990
- ASEA Brown Boveri Ltd.
- Nenad Tomljenovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for controlling operator indicators in an AM stereo receiver
- Patent number 4,944,011
- Issue date Jul 24, 1990
- Motorola, Inc.
- Lawrence M. Ecklund
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clamping circuit for a PLL tuning system
- Patent number 4,903,329
- Issue date Feb 20, 1990
- Motorola, Inc.
- Charles J. Marik
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for processing stereo signals and universal AM stereo rec...
- Patent number 4,887,297
- Issue date Dec 12, 1989
- Hazeltine Corporation
- Bernard D. Loughlin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive AM audio processor
- Patent number 4,866,779
- Issue date Sep 12, 1989
- Delco Electronics Corporation
- Richard A. Kennedy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Asymmetrical sideband AM stereo transmission
- Patent number 4,850,020
- Issue date Jul 18, 1989
- Leonard R. Kahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple function control circuit for an AM stereo receiver
- Patent number 4,845,750
- Issue date Jul 4, 1989
- Motorola, Inc.
- Lawrence M. Ecklund
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitter having means for controlling undesired out-of-band radi...
- Patent number 4,819,268
- Issue date Apr 4, 1989
- Leonard R. Kahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
FAM TRANSMITTING APPARATUS AND METHOD FOR COMBINING FM SIGNAL AND D...
- Publication number 20170126341
- Publication date May 4, 2017
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Young Su KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PORTABLE RADIO COMMUNICATION APPARATUS AND METHOD OF USE
- Publication number 20110112988
- Publication date May 12, 2011
- William W. Baker
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CARRIER PHASE SYNCHRONIZATION SYSTEM FOR IMPROVED AMPLITUDE MODULAT...
- Publication number 20090296856
- Publication date Dec 3, 2009
- UT-Battelle, LLC
- Stephen F. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Carrier phase synchronization system for improved amplitude modulat...
- Publication number 20080008285
- Publication date Jan 10, 2008
- Stephen F. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiving circuit for radio-wave clock broadcast wave
- Publication number 20060073799
- Publication date Apr 6, 2006
- Sanyo Electric Co., Ltd.
- Fumihiro Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and arrangement for digital transmission using am emitters
- Publication number 20030148743
- Publication date Aug 7, 2003
- Dietmar Rudolph
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Medium-frequency stereo broadcast receiving circuit
- Publication number 20030103631
- Publication date Jun 5, 2003
- Yasuhiro Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio communication system, and transmitting circuit and receiving...
- Publication number 20030092406
- Publication date May 15, 2003
- NIPPON HOSO KYOKAI
- Yasuhiro Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cochlear implants and apparatus/methods for improving audio signals...
- Publication number 20030044034
- Publication date Mar 6, 2003
- The Regents of the University of California
- Fan-Gang Zeng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

for AM stereophonic broadcast systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Carrier phase synchronization system for improved amplitude modulat...

Carrier phase synchronization system for improved amplitude modulat...

Method and arrangement for digital transmission using AM transmitters

Receiving circuit for radio-wave clock broadcast wave

Cochlear implants and apparatus/methods for improving audio signals...

Amplitude modulation with time- and spectrum-shared sidebands

AM stereo receiver with reduced distortion

Noise reducing

Amplitude demodulator

AM compatible digital waveform frame timing recovery and frame sync...

Stereophonic decoder

Out-of-lock detector for synchronous AM detection

AM stereo detection and audio processing apparatus

Symmetrically balanced phase and amplitude base band processor for...

Reducing audible noise in stereo receiving

Circuit and method for phase error correction in a digital receiver

AM-FM combined stereo receiver

Adaptive audio processor for AM stereo signals

AM-FM combined stereo receiver

Multi-system AM stereo receiver having preferred mode of operation

Compatible quadrature amplitude modulation detector system

AM noise reducing

Method of generating an amplitude-modulated ISB transmission signal...

Circuit for controlling operator indicators in an AM stereo receiver

Clamping circuit for a PLL tuning system

Apparatus for processing stereo signals and universal AM stereo rec...

Adaptive AM audio processor

Asymmetrical sideband AM stereo transmission

Multiple function control circuit for an AM stereo receiver

Transmitter having means for controlling undesired out-of-band radi...

Patents Applicationslast 30 patents

FAM TRANSMITTING APPARATUS AND METHOD FOR COMBINING FM SIGNAL AND D...

PORTABLE RADIO COMMUNICATION APPARATUS AND METHOD OF USE

CARRIER PHASE SYNCHRONIZATION SYSTEM FOR IMPROVED AMPLITUDE MODULAT...

Carrier phase synchronization system for improved amplitude modulat...

Receiving circuit for radio-wave clock broadcast wave

Method and arrangement for digital transmission using am emitters

Medium-frequency stereo broadcast receiving circuit

Radio communication system, and transmitting circuit and receiving...

Cochlear implants and apparatus/methods for improving audio signals...