Device for generating variable output voltage

Electricity: power supply or regulation systems – Remote sensing

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Details

307251, 323 22R, 328125, G05F 312

Patent

active

040328384

ABSTRACT:
In a device of the type in which the output voltage derived from the source of a MOS field-effect transistor is varied in response to the voltage across a non-polarized capacitor connected to the gate of the field-effect transistor, positive and negative inputs are provided by two switching elements which are controlled in response to small DC signals. The device functions as a variable resistor, and is adapted to be remotely controlled.

REFERENCES:
patent: 2828447 (1958-03-01), Mauchly
patent: 3233186 (1966-02-01), Theriault
patent: 3373295 (1968-03-01), Lambert
patent: 3454789 (1969-07-01), Tyler et al.
patent: 3461325 (1969-08-01), Barrett
patent: 3463993 (1969-08-01), Beck et al.
patent: 3647940 (1972-03-01), Harwood
patent: 3728556 (1973-04-01), Arnell

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