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John Henderson
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Princeton, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Steerable antenna and receiver interface for terrestrial broadcast
Patent number
8,125,386
Issue date
Feb 28, 2012
Hitachi America, Ltd.
John G. N. Henderson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Steerable antenna and receiver interface for terrestrial broadcast
Patent number
7,633,441
Issue date
Dec 15, 2009
Hitachi America, Ltd.
John G. N. Henderson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Steerable antenna and receiver interface for terrestrial broadcast
Patent number
7,425,920
Issue date
Sep 16, 2008
Hitachi America, Ltd.
John G. N. Henderson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Steerable antenna and receiver interface for terrestrial broadcast
Patent number
7,006,040
Issue date
Feb 28, 2006
Hitachi America, Ltd.
John G. N. Henderson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Methods and apparatus for representing different portions of an ima...
Patent number
6,668,018
Issue date
Dec 23, 2003
Larry Pearlstein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for decoding different portions of a video im...
Patent number
6,370,192
Issue date
Apr 9, 2002
Hitachi America, Ltd.
Larry Pearlstein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for improving picture quality in reduced reso...
Patent number
6,148,033
Issue date
Nov 14, 2000
Hitachi America, Ltd.
Larry Pearlstein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for detecting scene conditions likely to caus...
Patent number
6,061,400
Issue date
May 9, 2000
Hitachi America Ltd.
Larry Pearlstein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video recording device compatible transmitter
Patent number
5,805,762
Issue date
Sep 8, 1998
Hitachi America, Ltd.
Jill MacDonald Boyce
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods and apparatus for recording data on a digital storage mediu...
Patent number
5,729,649
Issue date
Mar 17, 1998
Hitachi America, Ltd.
Frank Anton Lane
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for selecting encoded video data for use durin...
Patent number
5,729,648
Issue date
Mar 17, 1998
Hitachi America, Ltd.
Jill MacDonald Boyce
G11 - INFORMATION STORAGE
Information
Patent Grant
Trick play data indentification methods and apparatus for use with...
Patent number
5,687,275
Issue date
Nov 11, 1997
Hitachi America, Ltd.
Frank Anton Lane
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital video recording device with trick play capability
Patent number
5,623,344
Issue date
Apr 22, 1997
Hitachi America, Ltd.
Frank A. Lane
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital recording and playback device error correction methods and...
Patent number
5,583,650
Issue date
Dec 10, 1996
Hitachi America, Ltd.
Frank A. Lane
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus directed to processing trick play video data t...
Patent number
5,576,902
Issue date
Nov 19, 1996
Hitachi America, Ltd.
Frank A. Lane
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital video recorder compatible receiver with trick play image en...
Patent number
5,377,051
Issue date
Dec 27, 1994
Hitachi America, Ltd.
Frank A. Lane
G11 - INFORMATION STORAGE
Information
Patent Grant
Noise reduction apparatus for a widescreen video signal processing...
Patent number
4,947,250
Issue date
Aug 7, 1990
General Electric Company
John G. N. Henderson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Television receiver with auxiliary on-screen display
Patent number
4,536,797
Issue date
Aug 20, 1985
RCA Corporation
Robert J. Maturo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal-seeking tuning system with signal loss protection for a tele...
Patent number
4,429,415
Issue date
Jan 31, 1984
RCA Corporation
Danny Chin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Television frequency synthesizer for nonstandard frequency carriers
Patent number
4,422,096
Issue date
Dec 20, 1983
RCA Corporation
John G. N. Henderson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Television tuning system with electronic frequency adjustment appar...
Patent number
4,402,089
Issue date
Aug 30, 1983
RCA Corporation
Stanley P. Knight
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Signal-seeking tuning system with automatic bandswitching for a tel...
Patent number
4,398,303
Issue date
Aug 9, 1983
RCA Corporation
Danny Chin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Tuning display for a television receiver
Patent number
4,390,902
Issue date
Jun 28, 1983
RCA Corporation
Danny Chin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Carrier detector apparatus useful in a multiband sweep type tuning...
Patent number
4,387,401
Issue date
Jun 7, 1983
RCA Corporation
John G. N. Henderson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus for automatically steering an electrically steerable tele...
Patent number
4,349,840
Issue date
Sep 14, 1982
RCA Corporation
John G. N. Henderson
G01 - MEASURING TESTING
Information
Patent Grant
Loop antenna arrangements for inclusion in a television receiver
Patent number
4,342,999
Issue date
Aug 3, 1982
RCA Corporation
Oakley M. Woodward
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Automatic tuning circuit arrangement with switched impedances
Patent number
4,339,827
Issue date
Jul 13, 1982
RCA Corporation
Rafael Torres
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Channel identification apparatus useful in a sweep type tuning system
Patent number
4,317,225
Issue date
Feb 23, 1982
RCA Corporation
John G. N. Henderson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Search type tuning system with direct address channel selection app...
Patent number
4,291,413
Issue date
Sep 22, 1981
RCA Corporation
John G. N. Henderson
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Channel identification apparatus useful in a multiband sweep type t...
Patent number
4,254,506
Issue date
Mar 3, 1981
RCA Corporation
John G. N. Henderson
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
STEERABLE ANTENNA AND RECEIVER INTERFACE FOR TERRESTRIAL BROADCAST
Publication number
20100045528
Publication date
Feb 25, 2010
John G. N. Henderson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STEERABLE ANTENNA AND RECEIVER INTERFACE FOR TERRESTRIAL BROADCAST
Publication number
20080089452
Publication date
Apr 17, 2008
John G. N. Henderson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Steerable antenna and receiver interface for terrestrial broadcast
Publication number
20060145918
Publication date
Jul 6, 2006
John G. N. Henderson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Methods and apparatus for representing different portions of an ima...
Publication number
20020110197
Publication date
Aug 15, 2002
Hitachi America, Ltd.
Larry Pearlstein
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Steerable antenna and receiver interface for terrestrial broadcast
Publication number
20020083458
Publication date
Jun 27, 2002
John G. N. Henderson
H01 - BASIC ELECTRIC ELEMENTS