System for automatic control of object by contrast program

Details System for automatic control of object by contrast program System for automatic control of object by contrast program

1977-06-30

1978-10-17

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

318577, G05B 100

Patent

active

041210964

ABSTRACT:
Disclosure is made of a system for automatic control of an object by a contrast program, which comprises the following components connected in series: an information scanner producing electrical signals whose combination carries information about the coordinate of the contrast program on the surface being analyzed, having a device for converting a specified portion of a radiation flux into an electrical signal carrying information on the contrast program and a reference signal generator producing electrical signals carrying information on the scanning of the analyzed surface; a unit for processing the electrical signals carrying information on the contrast program and on the scanning of the analyzed surface including a unit for forming normalized electrical signals carrying information on the contrast program and a logical circuit for processing the electrical signals carrying information on the contrast program and on the scanning of the analyzed surface producing electrical signals carrying information on the deviation of the object from the specified position with respect to the contrast program, said logical unit being electrically connected to the unit for forming normalized electrical signals and to the reference signal generator; and an actuating mechanism executing the commands to control the object electrically connected to the logical circuit for processing the electrical signals.

REFERENCES:
patent: 3529084 (1970-09-01), Rich
patent: 4020339 (1977-04-01), Gustafson

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