Electrostatic discharge grounding switch and method of operating

Details Electrostatic discharge grounding switch and method of operating Electrostatic discharge grounding switch and method of operating

1988-12-08

1989-09-05

Hix, L. T.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

439 91, H05F 302

Patent

active

048644587

ABSTRACT:
A switching device on a printed circuit card assembly is provided which permits the signal ground of the printed circuit card to be grounded to the machine ground during insertion of the card into the frame of the machine, and when the card is fully inserted the switch is opened to allow the signal ground of the card to be electrically isolated from the machine ground of the frame.

REFERENCES:
patent: 4179178 (1979-12-01), Bachman et al.
patent: 4272143 (1981-06-01), Weiss
patent: 4377315 (1983-03-01), Grau
patent: 4439809 (1984-03-01), Weight et al.
patent: 4456800 (1984-06-01), Holland
patent: 4510553 (1985-04-01), Faultersack
patent: 4579406 (1986-04-01), Laursen et al.
patent: 4726775 (1988-02-01), Owen
patent: 4789347 (1988-12-01), Banjo et al.
patent: 4791524 (1988-12-01), Teigen et al.

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