Inventor

BETANCOURT WALTER J

US2 patents

Patents

2 patents

US4493531AJan 15, 1985

Field sensitive optical displays, generation of fields therefor and scanning thereof

CONTROL INTERFACE CO LTD32 citations89

US4641923AFeb 10, 1987

Field sensitive optical displays with electrodes with high and low impedance portions

CONTROL INTERFACE CO LTD10 citations71