Electricity: electrical systems and devices – Miscellaneous
Patent
1977-01-19
1978-03-14
Smith, Jr., David
Electricity: electrical systems and devices
Miscellaneous
361409, 361413, H05K 104
Patent
active
040794407
ABSTRACT:
Disclosed is a printed circuit board loaded with electronic circuits, the board having at least two connector plugs for power supply, one is relatively long while the other is relatively short. These connector plugs are connected to each other through an impedance element. During an insertion of the board to a power line, the longer connector plug gets in contact with the power line earlier than the shorter one, while, during the withdrawal of the board from the line, the longer connector plug leaves the line later than the shorter one.
REFERENCES:
patent: 3832602 (1974-08-01), Engelhard et al.
patent: 3973817 (1976-08-01), Stalley et al.
patent: 3992686 (1976-11-01), Canning
patent: 3993935 (1976-11-01), Phillips et al.
Ohnuma Kunihiko
Yasuda Hajime
Hitachi , Ltd.
Smith Jr. David
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