Control device for automatic color-sorting apparatus

Details Control device for automatic color-sorting apparatus Control device for automatic color-sorting apparatus

1978-07-18

1980-03-11

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250560, G01N 2130

Patent

active

041929993

ABSTRACT:
A control-device for automatic color-sorting apparatus, comprising a light source located in front of a photorelay and a computing circuit, wherein the photorelay is coupled with and in the computing circuit, comprising a first linear-voltage generator, the output of which is coupled with a memory and a second linear-voltage generator, wherein the outputs of the second linear-voltage generator and the memory are coupled with an adder, the output of which, together with the output of the reference-voltage source are coupled with both inputs of a zero-member, the first linear voltage generator having one-half the speed of voltage-increase of the second linear-voltage generator.

REFERENCES:
patent: 3781554 (1973-12-01), Krivoshiev et al.

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