Assignee
PENCEPT INC
US10 patents
Top patents by PatentIndex Score
US4582955AApr 15, 1986
Digitizing tablet system including a tablet having a grid structure made of two orthogonal sets of parallel uniformly sized and spaced U shaped loops of conductive material
PENCEPT INC54 citations95
US4577057AMar 18, 1986
Digitizing tablet system having stylus tilt correction
PENCEPT INC130 citations95
US4638119AJan 20, 1987
Position indicating apparatus for use in a digitizing tablet system
PENCEPT INC26 citations92
US4644102AFeb 17, 1987
Digitizing tablet system
PENCEPT INC24 citations81
US4375081AFeb 22, 1983
Multistage digital filtering utilizing several criteria
PENCEPT INC22 citations81
US4562304ADec 31, 1985
Apparatus and method for emulating computer keyboard input with a handprint terminal
PENCEPT INC24 citations77
US4694124ASep 15, 1987
Digitizing tablet system including a tablet having a grid structure made of two orthogonal sets of parallel uniformly sized and spaced U shaped loops of conductive material
PENCEPT INC11 citations73
US4608658AAug 26, 1986
Method and apparatus for removing noise at the ends of a stroke caused by retracing
PENCEPT INC9 citations71
US4534060AAug 6, 1985
Method and apparatus for removing noise at the ends of a stroke
PENCEPT INC8 citations71
USD283026SMar 18, 1986
Computer terminal
PENCEPT INC0 citations43