Electrical keying arrangement

Details Electrical keying arrangement Electrical keying arrangement

1981-08-03

1983-12-06

Rosenbaum, Mark

Geometrical instruments

339147R, 339176MP, 339185R, H05K 102

Patent

active

044189710

ABSTRACT:
An electrical keying arrangement ensures that correctly associated electrical components, such as a circuit board and connector, are interconnected by completing a conducting path which includes two pairs of keying terminals positioned on the components. One pair of uniquely spaced and positioned keying terminals on the edge of the circuit board are strapped together to complete the conducting path through the other pair of keying terminals when the board is inserted in the connector. The path is completed only when the connector keying terminals are similarly, uniquely spaced and positioned. When completed, the path may be utilized to energize a relay which controls the application of power to the circuit board.

REFERENCES:
patent: 2908775 (1959-10-01), Gilbert
patent: 3191095 (1961-01-01), Hefti
patent: 3414806 (1968-12-01), Carr
patent: 3634816 (1972-01-01), Zell
patent: 3710197 (1973-01-01), Olds et al.

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