U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Electrical circuit

Patent 4001606 Issued on January 4, 1977. Estimated Expiration Date: Icon_subject January 4, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3457435

3720848

3764921

3801831

3866064

3916430

Inventor

Application

No. 583285 filed on 06/03/1975

US Classes:

327/383, Ensuring fully conducting state327/434, Insulated gate FET (e.g., MOSFET, etc.)327/581Field-effect transistor

Examiners

Primary: Heyman, John S.
Assistant: Anagnos, Larry N.

Foreign Application Priority Data

1974-06-05 UK

Abstract

Input signals lying outside the power supply range are used to develop potentials which are applied to the gate electrodes and substrates of transistors forming a transmission gate, when the transistors are to be turned off. The transmission gate circuit can then block input signals outside the range of its power supply.

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