Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1985-04-12
1987-06-30
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
350 9620, G02B 636, G02B 726
Patent
active
046772901
ABSTRACT:
Alignment is established between a member that defines an optical path and a semiconductor device that, when electrically biased, emits light in a predetermined direction, so as to establish an optically coupled relationship between the member and the device, by passing light along the optical path in a direction towards the semiconductor device, so that light is incident on the semiconductor device. An electrical characteristic of the semiconductor device is observed, and relative movement between the member and the device is brought about until the electrical characteristic indicates a desired degree of optical coupling between the member and the device, and the device and the member are then mechanically coupled together.
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Hulse Robert S.
Nelms David C.
Oen William L.
Smith-Hill John
Tektronix Inc.
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