Remote control light receiver

Details Remote control light receiver Remote control light receiver

G - Physics

02

B

88/99

G02B 3/06 (2006.01) G02B 5/08 (2006.01) G02B 17/00 (2006.01)

Patent

CA 1092400

Abstract of the Disclosure A light receiving lens for a light activated television remote control system is disclosed. The lens has flat parallel sides, flat divergent top and bottom surfaces, and a front surface of a modified cylindrical shape to provide a wide horizontal acceptance angle and a narrow vertical acceptance angle. A photodetector is located within the lens opposite the cylindrical surface. The top, bottom and sides may be coated with a reflective coating which is also electrically conductive to provide electrostatic shielding for the photodetector.

337875

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