Photo-electric conversion element and a method for detecting obj

Details Photo-electric conversion element and a method for detecting obj Photo-electric conversion element and a method for detecting obj

1974-10-23

1976-10-05

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250204, 250209, H01J 3912

Patent

active

039846776

ABSTRACT:
The present invention relates to a photo-electric conversion element suitable for use in a system for detecting object image visibility and a method for detecting object image visibility employing the same and also relates to a device therefor. The photo-electric conversion element is characterized by having a first electrode at both ends of the direction along with a short side of a photo-semiconductor which has an extremely shorter short side as compared to its long side, and having a second electrode discretely formed at both ends of the direction along with its long side. Further an element with electrical characteristics being non-linear is connected to or formed at each of the above mentioned electrodes.

REFERENCES:
patent: 3444384 (1969-05-01), Horeczky
patent: 3700905 (1972-10-01), Parkin et al.
patent: 3836772 (1974-09-01), Stauffer
patent: 3838275 (1974-09-01), Stauffer

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