Light sensing device

Details Light sensing device Light sensing device

1996-12-31

1998-05-05

Pham, Hoa Q.

Optics: measuring and testing

Photometers

Comparison

356222, 250214R, 324 7615, 324 7638, G01J 110

Patent

active

057483035

ABSTRACT:
A light sensing device including at least one light sensor is provided. The at least one light sensor is configured to be exposed to a light image. In response to the light image, the at least one light sensor is configured to generate a first signal. The light sensing device further includes a measuring device coupled to the at least one light sensor. The light sensing device also includes a sampling generator configured to generate a sampling signal to the measuring device. The sampling signal is inhibited when the first signal is lesser than or equal to a predetermined value. Upon inhibition of the sampling signal, the measuring device retains a measure of the first signal.

REFERENCES:
patent: 4728188 (1988-03-01), Kitagawa et al.
patent: 5264914 (1993-11-01), Oho et al.

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