Optical input device with a light source die mounted on a...

Details Optical input device with a light source die mounted on a... Optical input device with a light source die mounted on a...

2007-04-03

2007-04-03

Lee, John R. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S221000, C345S166000

Reexamination Certificate

active

11420803

ABSTRACT:
A light source die of an optical input device is mounted on a detecting die of the optical input device in order to reduce the size of the optical input device. The light source die emits light to a reflective surface, and light sensing elements formed on the detecting die sense the reflected light from the reflective surface. A control circuit of the optical input device generates corresponding navigation signals according to the output signals of the light sensing elements.

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