P

Inventor

MA JOHN

US10 patents
⚠️ This page may combine multiple inventors who share the name “MA JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MA JOHN

3 patents
US4352209ASep 28, 1982

Up-down frequency converter for cable T.V.

MA JOHN68 citations94
US4626862ADec 2, 1986

Antenna having coaxial driven element with grounded center conductor

MA JOHN19 citations71
US4619000AOct 21, 1986

CATV converter having improved tuning circuits

MA JOHN9 citations71

PPT VISION INC

2 patents
US6501554B1Dec 31, 2002

3D scanner and method for measuring heights and angles of manufactured parts

PPT VISION INC272 citations96
US6509559B1Jan 21, 2003

Binary optical grating and method for generating a moire pattern for 3D imaging

PPT VISION INC48 citations89

CAPETRONIC BSR LTD

2 patents
US4684858AAug 4, 1987

Motor pulse extraction system

CAPETRONIC BSR LTD24 citations81
US4625183ANov 25, 1986

Low-cost VCO using lumped elements in microwave band

CAPETRONIC BSR LTD4 citations61

ZENITH RADIO CORP

2 patents
US3946319AMar 23, 1976

All electronic digital tuner system with memory

ZENITH RADIO CORP8 citations73
US3931579AJan 6, 1976

Digital signal seeking tuning system

ZENITH RADIO CORP10 citations73

MERITOR HEAVY TECHNOLOGY LLC

1 patent
US6793233B2Sep 21, 2004

Trailer slider pin control system

MERITOR HEAVY TECHNOLOGY LLC11 citations67