Inventor

CANFIELD BARTH A

US14 patents

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

THOMSON CONSUMER ELECTRONICS

8 patents

US5091785AFeb 25, 1992

Picture-in-picture circuitry using field rate synchronization

THOMSON CONSUMER ELECTRONICS158 citations98

US5329369AJul 12, 1994

Asymmetric picture compression

THOMSON CONSUMER ELECTRONICS57 citations96

US5159292AOct 27, 1992

Adaptive phase locked loop

THOMSON CONSUMER ELECTRONICS86 citations96

US5442406AAug 15, 1995

Wide screen television

THOMSON CONSUMER ELECTRONICS70 citations95

US5369444ANov 29, 1994

Field type matching system

THOMSON CONSUMER ELECTRONICS28 citations92

US5294983AMar 15, 1994

Field synchronization system with write/read pointer control

THOMSON CONSUMER ELECTRONICS109 citations92

US5063580ANov 5, 1991

Apparatus for conditioning a control signal

THOMSON CONSUMER ELECTRONICS3 citations63

US5502501AMar 26, 1996

Field type detector for video signal

THOMSON CONSUMER ELECTRONICS3 citations62

RCA LICENSING CORP

6 patents

US5031044AJul 9, 1991

Inset picture centering in a pix-in-pix system

RCA LICENSING CORP25 citations92

US5025496AJun 18, 1991

Odd/even field detector for video signals

RCA LICENSING CORP26 citations92

US4992874AFeb 12, 1991

Method and apparatus for correcting timing errors as for a multi-picture display

RCA LICENSING CORP33 citations92

US4991022AFeb 5, 1991

Apparatus and a method for automatically centering a video zoom and pan display

RCA LICENSING CORP37 citations92

US4987493AJan 22, 1991

Memory efficient interlace apparatus and method as for a picture in a picture display

RCA LICENSING CORP18 citations74

US4965669AOct 23, 1990

Apparatus for digitally controlling the D.C. value of a processed signal

RCA LICENSING CORP15 citations74