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Inventor

TRETHEWEY PAUL M

US9 patents
⚠️ This page may combine multiple inventors who share the name “TRETHEWEY PAUL M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRASS VALLEY GROUP

3 patents
US4859955AAug 22, 1989

Apparatus for smoothing an abrupt change in signal level

GRASS VALLEY GROUP17 citations72
US4679042AJul 7, 1987

Bar/dot level meter

GRASS VALLEY GROUP10 citations72
US4908699AMar 13, 1990

Component video accumulation effect

GRASS VALLEY GROUP1 citations48

BURROUGHS CORP

2 patents
US4466088AAug 14, 1984

Galvo position sensor for track selection in optical data disk system

BURROUGHS CORP38 citations91
US4556964ADec 3, 1985

Technique for monitoring galvo angle

BURROUGHS CORP23 citations80

STORAGE TECHNOLOGY PARTNERS 11

1 patent
US4740941AApr 26, 1988

System for aligning sector marks with data in a disk storage system

STORAGE TECHNOLOGY PARTNERS 1127 citations90

2WIRE INC

1 patent
US7746877B2Jun 29, 2010

Method and apparatus for communicating loss of alternating current power supply

2WIRE INC17 citations82

TEKTRONIX INC

1 patent
US5627951AMay 6, 1997

Graphical display of chroma keyer controls

TEKTRONIX INC10 citations72

GRASS VALLEY US INC

1 patent
US6259488B1Jul 10, 2001

Concealing temporal shift when using a digital video effect system with a video switcher

GRASS VALLEY US INC4 citations61