Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
Corporate Assignee
active
No affiliations
Acoustic wave touch panel for use with a non-active stylus
Controller for an acoustic touch panel
Early fault detection in an opto-matrix touch input device
Low profile opto-device assembly with specific optoelectronic le
Phototransistor apparatus with current injection ambient compens
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