Photo sequence programmer

Details Photo sequence programmer Photo sequence programmer

1975-12-05

1977-10-11

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250229, 250237R, G06K 710

Patent

active

040537846

ABSTRACT:
A photo sequence programmer provides the structure that multiple light-emitting elements are disposed inside a rotary transparent cylinder and multiple light-receiving elements are disposed outside the said cylinder. Adhesive opaque tapes are attached on the surface of the transparent cylinder in accordance with a predetermined time chart so that the revolution of the transparent cylinder causes multiple photo-electric conversion switching circuits, which consist of the said light-emitting elements and light-receiving elements, to turn ON and OFF.

REFERENCES:
patent: 3286096 (1966-11-01), Finlay
patent: 3307041 (1967-02-01), Kling
patent: 3622793 (1971-11-01), Dalton et al.
patent: 3749921 (1973-07-01), Vital et al.
patent: 3921048 (1975-11-01), Padgitt

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