Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Patent
1992-12-10
1993-12-07
Schwartz, Larry I.
Electrical connectors
With insulation other than conductor sheath
Plural-contact coupling part
439610, H01R 1364
Patent
active
052678822
ABSTRACT:
A set of keyed electrical connectors consists of a first plug connector (2) a second plug connector (4), a first receptacle connector (6) and a second receptacle connector (8). The first and second plug connectors (2,4) have shielded mating plug portions (21,38) and the first and second receptacle connectors have metal shielding shells (56,60) for receiving respective mating plug portions (28,38) of the plug connectors (2,4). The first plug connector (2) is connected to a first cable (MC1), the second plug connector (4) being connected to a second cable (MC2) which is shorter than the first cable. The receptacle connectors (6,8) are surface mounted and are connected to respective printed circuits. The plug portions and the shielding shells have chamfered keying surfaces (26,42,44,120,126,130) which are so arranged that the plug portion (21) of the first plug connector (2) can be mated only with the shielding shell (56) of the first receptacle connector (6) whereas the plug portion (38) of the second plug connector (4) can be mated, as required, with the shielding shell of either of the receptacle connectors (6,8). The cables (MC1,MC2) are connected to different electronic circuits.
REFERENCES:
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patent: 4047781 (1977-09-01), DeNigris et al.
patent: 4403824 (1983-09-01), Scott
patent: 4457575 (1984-07-01), Davis et al.
patent: 5017156 (1991-05-01), Sugiyama
patent: 5044994 (1991-09-01), Van Wolnsel
Schwartz Larry I.
The Whitaker Corporation
Vu Hien D.
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