Apparatus for processing an output signal from an area sensor ha

Details Apparatus for processing an output signal from an area sensor ha Apparatus for processing an output signal from an area sensor ha

1996-09-04

1998-02-17

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250221, 396 51, H01J 4014

Patent

active

057193886

ABSTRACT:
A signal processing apparatus, which includes an area sensor for receiving an eyeball image, detects a visual axis by processing a photoelectric conversion signal from the area sensor. An area enough to detect the visual axis is set within the area sensor before a signal is taken out to detect the visual axis. The photoelectric concretion element in the set area is subjected to an A/D conversion to process the signal.

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patent: 5182443 (1993-01-01), Suda et al.
patent: 5214466 (1993-05-01), Nagano et al.

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