Inventor
LANDMEIER WALDO L
US16 patents
⚠️ This page may combine multiple inventors who share the name “LANDMEIER WALDO L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALCOMP INC
13 patentsUS5381160AJan 10, 1995
See-through digitizer with clear conductive grid
CALCOMP INC315 citations98
US5247138ASep 21, 1993
Cordless digitizer stylus status encoding and transmission scheme
CALCOMP INC88 citations96
US4806707AFeb 21, 1989
3-Dimensional digitizer pen
CALCOMP INC71 citations96
US5198623AMar 30, 1993
Method for use in a digitizer for determining pen tilt
CALCOMP INC43 citations92
US4853497AAug 1, 1989
Shielding techique for digitizers
CALCOMP INC37 citations92
US4734546AMar 29, 1988
Digitizer system with loopback conductor grid
CALCOMP INC53 citations92
US5856639AJan 5, 1999
Pointer position detection system using a signal processor in the pointer
CALCOMP INC11 citations73
US4831216AMay 16, 1989
Digitizer system with intertwined loopback conductor grid
CALCOMP INC11 citations73
US5326940AJul 5, 1994
Dynamically-adjustable scanning rate in digitizers
CALCOMP INC11 citations72
US5714720AFeb 3, 1998
High efficiency passive pointer digitizer system
CALCOMP INC6 citations62
US5345044ASep 6, 1994
Cordless digitizer using electromagnetic locating signals
CALCOMP INC6 citations62
US5235142AAug 10, 1993
Phase reference system for cordless looping digitizer
CALCOMP INC5 citations62
US4873399AOct 10, 1989
Ink-on-glass digitizer tablet and method of construction
CALCOMP INC5 citations62