Output control device for electrical apparatus

Details Output control device for electrical apparatus Output control device for electrical apparatus

1986-05-06

1987-11-03

Heyman, John S.

Boots, shoes, and leggings

307529, 328160, G05B 1101, G06G 700

Patent

active

047046775

ABSTRACT:
An output control device for controlling the output of an electrical apparatus such as a laser in which a desired accuracy of control is maintained irrespective of the magnitude of the target value of the output. A first multiplication circuit multiplies the output indicating signal by a value which is dependent upon the reciprocal of the target value. The output of the first multiplication circuit is compared with a predetermined reference value to form a feedback signal having a component applied to control the output in such a manner that the absolute value of the difference between the output of the first multiplication circuit and the reference value tends to be decreased. A second multiplication circuit multiplies the comparison value output by the reciprocal of the output of the first multiplication circuit, and the resulting signal is applied to control the output of the electrical apparatus.

REFERENCES:
patent: 4494184 (1985-01-01), Crevel
patent: 4611270 (1986-09-01), Klauminzer et al.

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