Image position sensitive device with multiple output electrodes

Details Image position sensitive device with multiple output electrodes Image position sensitive device with multiple output electrodes

1990-09-24

1992-08-11

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

2502061, H01J 4014

Patent

active

051381460

ABSTRACT:
In an image position sensitive device having a photo conductive layer, resistive layer and a group of the output electrodes for separating the resistive layer into a plurality of sections, the group of the output electrodes is divided into a plurality of sets and a common output terminal is provided for each set of the electrodes in order to collectively detect output currents from the electrodes of each set. The number of output terminal is extremely reduced to simplify conformation of a circuit for determining a detection region.

REFERENCES:
patent: 3984677 (1976-10-01), Hosoe et al.
patent: 4841138 (1989-06-01), Muro
patent: 4849781 (1989-07-01), Nakazawa et al.
patent: 4874939 (1989-10-01), Nishimoto et al.
patent: 4961096 (1990-10-01), Idesawa
Petersson et al., "Position Sensitive Light Detectors with High Linearity," IEEE Journal of Solid-State Circuits, vol. SC-13, No. 3, Jun. 1978, pp. 392-399.
M. Idesawa, "High-Precision Image Position Sensing Methods Suitable for 3-D Measurement," Optics and Lasers in Engineering 10 (1989), pp. 191-204.

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