System for discharging electronic circuitry

Miscellaneous active electrical nonlinear devices – circuits – and – Gating – Utilizing three or more electrode solid-state device

Reexamination Certificate

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Details

C327S494000

Reexamination Certificate

active

07132876

ABSTRACT:
An electronic discharge circuit. The discharge circuit includes a first current source having first current source input and output and a current control circuit having first, second, third, and fourth control contacts. An electronic circuit element of an electronic circuit has first and second element contacts. If first control contact and first current source input are electrically connected, second control contact and first current source output are electrically connected, third control contact and first element contact are electrically connected, and fourth control contact and second element contact are electrically connected, and if the electronic circuit element is electronically charged, current discharging the electronic circuit element is limited to the current from the first current source, otherwise when so connected, current discharging the electronic circuit element is zero and current from the first current source flows into the second control contact and out the first control contact.

REFERENCES:
patent: 4401940 (1983-08-01), Pospisil
patent: 4879478 (1989-11-01), Gershon
patent: 5572154 (1996-11-01), Rakers et al.
patent: 5945822 (1999-08-01), Shiotsuka
patent: 6211723 (2001-04-01), Creek
patent: 6861893 (2005-03-01), Kohsiek

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