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Home › Rca › Todd J. Christopher

TC

Todd J. Christopher — 53 Patents

RCRca: 28 patents #14 of 1,739Top 1%

TEThomson Consumer Electronics: 16 patents #12 of 436Top 3%

RLRca Licensing: 8 patents #4 of 216Top 2%

TLThomson Licensing: 1 patents #1,365 of 2,575Top 55%

Hitachi: 1 patents #17,777 of 28,497Top 65%

Indianapolis, IN: #41 of 5,011 inventorsTop 1%

Indiana: #266 of 33,936 inventorsTop 1%

Overall (All Time): #48,528 of 4,157,543Top 2%

53 Patents All Time

Todd J. Christopher has been granted 53 US patents while listed as an inventor at Rca. The first was granted in 1980 and the most recent in May 2005. Todd J. Christopher ranks #48,528 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Todd J. Christopher in Indianapolis, IN, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6900845	Memory architecture for a multiple format video signal processor	Barth Alan Canfield, Steven Wayne Patton	2005-05-31	$212,000
5689301	Method and apparatus for identifying video fields produced by film sources	Carlos Correa	1997-11-18
5619276	Adjustable video/raster phasing for horizontal deflection system	Ronald Keen	1997-04-08
5563651	Method and apparatus for identifying video fields produced by film sources employing 2-2 and 3-2 pull down sequences	Carlos Correa	1996-10-08
5448308	Apparatus for clamping a video signal level	Mark D. Walby, Nathaniel H. Ersoz, Eric Douglas Romesburg	1995-09-05
5422680	Non-linear contrast control apparatus with pixel distribution measurement for video display system	William A. Lagoni, Albert P. Pica, James R. Bergen	1995-06-06
5412436	Motion adaptive video processing system	—	1995-05-02
5351087	Two stage interpolation system	Karl Francis Horlander, Timothy W. Saeger	1994-09-27
5166781	Apparatus for identifying standard and non-standard video signals	Mark D. Walby	1992-11-24
5132784	Comb filter-burst locked clock circuitry	John Alan Hague	1992-07-21
5130798	Dual band progressive television system with noise reduction	—	1992-07-14
5119195	Video noise reduction system employing plural frequency bands	—	1992-06-02
5084700	Signal clamp circuitry for analog-to-digital converters	—	1992-01-28
5053726	Circuit for preventing VCXO mode jumping	Robert E. Morris	1991-10-01
5043813	Display locked timing signals for video processing	—	1991-08-27
4901077	Sigma-delta modulator for D-to-A converter	—	1990-02-13
4841466	Bit-serial integrator circuitry	—	1989-06-20	$9,992,000
4823302	Block oriented random access memory able to perform a data read, a data write and a data refresh operation in one block-access time	—	1989-04-18	$10,136,000
4821226	Dual port video memory system having a bit-serial address input port	Shigeru Hirahata	1989-04-11	$33,000
4819252	Sampled data subsampling apparatus	—	1989-04-04
4783756	Sampled data tone control system	—	1988-11-08	$9,959,000
4777472	Modified cascode amplifier	Donald J. Sauer	1988-10-11	$13,513,000
4764967	Tone control system for sampled data signals	—	1988-08-16	$10,295,000
4760602	Variable preemphasis/deemphasis network	John Gibson	1988-07-26	$7,836,000
4757467	Apparatus for estimating the square root of digital samples	Charles B. Dieterich	1988-07-12	$15,421,000