Inclined filter for photoelectric touch panel

Details Inclined filter for photoelectric touch panel Inclined filter for photoelectric touch panel

1986-04-18

1988-04-12

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

G01V 904

Patent

active

047376333

ABSTRACT:
A filter for a photoelectric touch panel disposed in front of arrays, formed on a framework on the circumference of a screen, of aligned light emitting elements and photosensitive elements characterized in that the same is arranged to be slanted to spread outward.

REFERENCES:
patent: 4590410 (1986-05-01), Jonsson
patent: 4636632 (1987-01-01), Ando

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