Geometrical instruments
Patent
1980-08-04
1983-01-11
McQuade, John
Geometrical instruments
339149P, 339183, H01R 2900
Patent
active
043679072
ABSTRACT:
An electrical jack adapted for connection with a printed circuit board having the ability to provide both monitoring access and test access to the circuits therein. The jack includes at least one contact assembly having a pair of contact elements extending across a cylindrical opening in the jack for selectively engaging various contact surfaces of a plug member for purposes of providing either monitoring or testing access.
REFERENCES:
patent: 2428214 (1947-09-01), Gorey
patent: 3505635 (1970-04-01), Williams
patent: 3537061 (1970-10-01), Haag et al.
patent: 3744009 (1973-07-01), Teagno et al.
patent: 4002399 (1977-01-01), Deitch et al.
patent: 4037913 (1977-07-01), Deitch et al.
patent: 4138179 (1979-02-01), Miller et al.
patent: 4165147 (1979-08-01), Buck
Magnetic Controls Company
McQuade John
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