Electricity: electrical systems and devices – Miscellaneous
Patent
1987-04-17
1989-01-24
Harkcom, Gary V.
Electricity: electrical systems and devices
Miscellaneous
364708, H01R 2368
Patent
active
048004626
ABSTRACT:
An electrical keying system for a set of incompatible module pairs to prevent powerup of an electrically incompatible module pair in a set.
REFERENCES:
patent: 3993935 (1976-11-01), Philips et al.
patent: 4454552 (1984-06-01), Barnes et al.
patent: 4514786 (1985-04-01), Charruau
patent: 4546414 (1985-10-01), Donges
patent: 4575780 (1986-03-01), Brombal et al.
patent: 4658333 (1987-04-01), Grumes
Dwan Francis J.
Zacher A. Richard
Zwagerman Jay A.
Harkcom Gary V.
Shaw Dale M.
Tandem Computers Incorporated
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