Signal detector circuit with gain control method

Details Signal detector circuit with gain control method Signal detector circuit with gain control method

1980-03-03

1982-09-14

Smith, Jerry

Boots, shoes, and leggings

198502, 198856, 330 86, 330144, 340676, G08B 2100, G06F 1546

Patent

active

043498833

ABSTRACT:
A signal control apparatus controls the gain of an amplifier in a proportional stepwise manner to produce in response to an input signal an output signal having a magnitude of relatively accurately controlled value. The amplifier gain is controlled in steps that are proportional to a parameter, such as the magnitude of the output signal itself, thereby providing an automatic gain control function. A method also is disclosed for effecting such signal control. Moreover, such apparatus and method are employed in a system and method for monitoring the occurrence of plural events in a cyclical process, such as the travel of a conveyor belt, the system, then, preferably being a conveyor belt rip detector system.

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patent: 4109213 (1978-08-01), Holley et al.
patent: 4132957 (1979-01-01), Hekimian et al.
patent: 4229735 (1980-10-01), Houck

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