Inventor

CHRISTOPHER TODD J

US53 patents

⚠️ This page may combine multiple inventors who share the name “CHRISTOPHER TODD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHRISTOPHER TODD J

RCA CORP

Digital on video recording and playback system

Digital signal gain control circuitry for varying digital signals in substantially equal db steps

Digital delay interpolation filter with amplitude and phase compensation

Horizontal compression of pixels in a reduced-size video image utilizing cooperating subsampling and display rates

Filtering system for processing a reduced-resolution video image

Timing correction for a picture-in-picture television system

DC Motor servo system

Vertical subsampling and memory synchronization system for a picture within a picture television receiver

Progressive scan television system with video compression exceeding display line rate

Error coding for video disc system

Fast recovery squelch circuit for a video disc player

FM Signal demodulator with defect detection

Apparatus for cancelling a pilot signal from a composite signal

Television display system with flicker reduction processor having burst locked clock and skew correction

Timing correction circuitry as for TV signal recursive filters

Progressive scan television receiver for non-standard signals

Bias supply for A.C. line powered apparatus

Video disc stylus position sensor system

VFO having plural feedback loops

Periodically biased video disc player servo system

Stylus position sensing apparatus for video disc player

Signal expander

Video processing system including comb filters

Video apparatus having improved antenna transfer switching system

Preemphasis and clipping apparatus for reducing distortions

PCM Detector for video reproducer apparatus

Nested loop video disc servo system

Apparatus for advancing a video disc pickup transducer beyond a disc record defect

THOMSON CONSUMER ELECTRONICS

Method and apparatus for identifying video fields produced by film sources

Two stage interpolation system

Method and apparatus for identifying video fields produced by film sources employing 2-2 and 3-2 pull down sequences

Sampled data subsampling apparatus

Non-linear contrast control apparatus with pixel distribution measurement for video display system

Dual band progressive television system with noise reduction

Video noise reduction system employing plural frequency bands

Signal clamp circuitry for analog-to-digital converters

Sigma-delta modulator for D-to-A converter

Motion adaptive video processing system

Display locked timing signals for video processing

Adjustable video/raster phasing for horizontal deflection system

Circuit for preventing VCXO mode jumping

Apparatus for identifying standard and non-standard video signals

RCA LICENSING CORP

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

Block oriented random access memory able to perform a data read, a data write and a data refresh operation in one block-access time

Apparatus for estimating the square root of digital samples

Variable preemphasis/deemphasis network

Modified cascode amplifier

Tone control system for sampled data signals

Bit-serial integrator circuitry

Sampled data tone control system