Todd J. Christopher

Person

Indianapolis, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Memory architecture for a multiple format video signal processor
- Patent number 6,900,845
- Issue date May 31, 2005
- THOMSON Licensing S.A.
- Todd Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for identifying video fields produced by film...
- Patent number 5,689,301
- Issue date Nov 18, 1997
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adjustable video/raster phasing for horizontal deflection system
- Patent number 5,619,276
- Issue date Apr 8, 1997
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for identifying video fields produced by film...
- Patent number 5,563,651
- Issue date Oct 8, 1996
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for clamping a video signal level
- Patent number 5,448,308
- Issue date Sep 5, 1995
- Thomson Consumer Electronics, Inc.
- Mark D. Walby
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Non-linear contrast control apparatus with pixel distribution measu...
- Patent number 5,422,680
- Issue date Jun 6, 1995
- Thomson Consumer Electronics, Inc.
- William A. Lagoni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Motion adaptive video processing system
- Patent number 5,412,436
- Issue date May 2, 1995
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two stage interpolation system
- Patent number 5,351,087
- Issue date Sep 27, 1994
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for identifying standard and non-standard video signals
- Patent number 5,166,781
- Issue date Nov 24, 1992
- Thomson Consumer Electronics, Inc.
- Mark D. Walby
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Comb filter-burst locked clock circuitry
- Patent number 5,132,784
- Issue date Jul 21, 1992
- Thomson Consumer Electronics, Inc.
- John A. Hague
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual band progressive television system with noise reduction
- Patent number 5,130,798
- Issue date Jul 14, 1992
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video noise reduction system employing plural frequency bands
- Patent number 5,119,195
- Issue date Jun 2, 1992
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal clamp circuitry for analog-to-digital converters
- Patent number 5,084,700
- Issue date Jan 28, 1992
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit for preventing VCXO mode jumping
- Patent number 5,053,726
- Issue date Oct 1, 1991
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Display locked timing signals for video processing
- Patent number 5,043,813
- Issue date Aug 27, 1991
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sigma-delta modulator for D-to-A converter
- Patent number 4,901,077
- Issue date Feb 13, 1990
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bit-serial integrator circuitry
- Patent number 4,841,466
- Issue date Jun 20, 1989
- RCA Licensing Corporation
- Todd J. Christopher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Block oriented random access memory able to perform a data read, a...
- Patent number 4,823,302
- Issue date Apr 18, 1989
- RCA Licensing Corporation
- Todd J. Christopher
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual port video memory system having a bit-serial address input port
- Patent number 4,821,226
- Issue date Apr 11, 1989
- RCA Licensing Corporation
- Todd J. Christopher
- G11 - INFORMATION STORAGE
Information Patent Grant
Sampled data subsampling apparatus
- Patent number 4,819,252
- Issue date Apr 4, 1989
- Thomson Consumer Electronics, Inc.
- Todd J. Christopher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sampled data tone control system
- Patent number 4,783,756
- Issue date Nov 8, 1988
- RCA Licensing Corporation
- Todd J. Christopher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Modified cascode amplifier
- Patent number 4,777,472
- Issue date Oct 11, 1988
- RCA Licensing Corporation
- Donald J. Sauer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tone control system for sampled data signals
- Patent number 4,764,967
- Issue date Aug 16, 1988
- RCA Licensing Corporation
- Todd J. Christopher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable preemphasis/deemphasis network
- Patent number 4,760,602
- Issue date Jul 26, 1988
- RCA Licensing Corporation
- John J. Gibson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus for estimating the square root of digital samples
- Patent number 4,757,467
- Issue date Jul 12, 1988
- RCA Licensing Corporation
- Charles B. Dieterich
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for cancelling a pilot signal from a composite signal
- Patent number 4,731,844
- Issue date Mar 15, 1988
- RCA Corporation
- Todd J. Christopher
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signal gain control circuitry for varying digital signals i...
- Patent number 4,731,851
- Issue date Mar 15, 1988
- RCA Corporation
- Todd J. Christopher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital delay interpolation filter with amplitude and phase compens...
- Patent number 4,694,414
- Issue date Sep 15, 1987
- RCA Corporation
- Todd J. Christopher
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Television display system with flicker reduction processor having b...
- Patent number 4,680,632
- Issue date Jul 14, 1987
- RCA Corporation
- Donald H. Willis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Timing correction circuitry as for TV signal recursive filters
- Patent number 4,667,240
- Issue date May 19, 1987
- RCA Corporation
- Donald H. Willis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Todd J. Christopher

Person

Patents Grantslast 30 patents

Memory architecture for a multiple format video signal processor

Method and apparatus for identifying video fields produced by film...

Adjustable video/raster phasing for horizontal deflection system

Method and apparatus for identifying video fields produced by film...

Apparatus for clamping a video signal level

Non-linear contrast control apparatus with pixel distribution measu...

Motion adaptive video processing system

Two stage interpolation system

Apparatus for identifying standard and non-standard video signals

Comb filter-burst locked clock circuitry

Dual band progressive television system with noise reduction

Video noise reduction system employing plural frequency bands

Signal clamp circuitry for analog-to-digital converters

Circuit for preventing VCXO mode jumping

Display locked timing signals for video processing

Sigma-delta modulator for D-to-A converter

Bit-serial integrator circuitry

Block oriented random access memory able to perform a data read, a...

Dual port video memory system having a bit-serial address input port

Sampled data subsampling apparatus

Sampled data tone control system

Modified cascode amplifier

Tone control system for sampled data signals

Variable preemphasis/deemphasis network

Apparatus for estimating the square root of digital samples

Apparatus for cancelling a pilot signal from a composite signal

Digital signal gain control circuitry for varying digital signals i...

Digital delay interpolation filter with amplitude and phase compens...

Television display system with flicker reduction processor having b...

Timing correction circuitry as for TV signal recursive filters