Inventor
WATSON JAMES S
US13 patents
⚠️ This page may combine multiple inventors who share the name “WATSON JAMES S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALCOMP INC
10 patentsUS4853499AAug 1, 1989
Ground switching technique for silkscreened digitizer grids
CALCOMP INC59 citations95
US5373118ADec 13, 1994
Half normal frequency regime phase encoding in cordless digitizers
CALCOMP INC51 citations92
US4794208ADec 27, 1988
Frequency shifting digitizer for reducing AC fields interference
CALCOMP INC38 citations92
US4939318AJul 3, 1990
Digitizer pen tilt correction employing wires near the data point
CALCOMP INC30 citations91
US5357062AOct 18, 1994
Pressure sensing apparatus for digitizer pen tip
CALCOMP INC53 citations89
US4835347AMay 30, 1989
Shifting wire sequence digitizer system
CALCOMP INC23 citations81
US5227909AJul 13, 1993
Single coil digitizer-coupled image scanner
CALCOMP INC15 citations73
US5821916AOct 13, 1998
Digitizer cursor velocity offset error correction system
CALCOMP INC13 citations72
US5235142AAug 10, 1993
Phase reference system for cordless looping digitizer
CALCOMP INC5 citations62
US5160813ANov 3, 1992
Cordless digitizer local conductor phase reference system
CALCOMP INC4 citations62