Field effect transistor switch with electrect for control

Details Field effect transistor switch with electrect for control Field effect transistor switch with electrect for control

Filed on

1973-09-27

Date issued

1976-01-27

Examiner

Heyman, John S.

Patent Class

Electrical transmission or interconnection systems

SubClass

Nonlinear reactor systems

SubSubClass

Parametrons

Other Related Categories

307309, 357 27, H03K 1760

Type

Patent

Status

active

Patent number

039354814

Description

ABSTRACT:
Disclosed is a method and device for controlling an electric circuit with the use of an electret with a rear electrode. The electric energy or signal transfer state of a field effect transistor is regulated by varying the electric field between the electret and an induction electrode, the field effect transistor being electrically connected to the combination of the electret and the induction electrode. The electric energy transfer state of the field effect transistor is regulated in response to the variation of the electric field, whereby the electric circuit to which the transistor is coupled is controlled.

REFERENCES:
patent: 2752553 (1956-06-01), Dunlap
patent: 3436492 (1969-04-01), Reedyk
patent: 3454891 (1969-07-01), Siegel
patent: 3463993 (1969-08-01), Beck et al.
patent: 3573494 (1971-04-01), Houpt
Amelco Semiconductors "FETs" No. 1, 6/62 pp. 1-7.
Electronics Illustrated, "The Electret" by Hyypia, pp. 97-99.

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