Electronic apparatus with detachable member arranged to detect e

Details Electronic apparatus with detachable member arranged to detect e Electronic apparatus with detachable member arranged to detect e

1986-08-11

1988-07-05

Beha, Jr., William W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

307 85, 307140, 361413, 364184, 365226, H02H 720

Patent

active

047559020

ABSTRACT:
An electronic apparatus adapted to be used with a detachable member, such as a memory pack. The apparatus includes a pair of terminals arranged in the electronic apparatus for detecting an incorrect connection of the electronic apparatus with the memory pack. Also provided is a transistor connected to the terminals for disabling a power supply of the electronic apparatus in response to the terminals detecting an incorrect connection between the memory pack and the electronic apparatus.

REFERENCES:
patent: 3259754 (1966-07-01), Matheson
patent: 3859635 (1975-01-01), Watson et al.
patent: 4393432 (1983-07-01), Neuhaus et al.
patent: 4398098 (1983-08-01), Minchey
patent: 4459679 (1984-07-01), Sukeda et al.
Tillotson, "Power Supply Interlock Circuit", IBM Tech. Discl. Bul., vol. 20, No. 9, p. 3646, Feb. 1978.

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