Apparatus for connecting power sources with plug-in unit

Details Apparatus for connecting power sources with plug-in unit Apparatus for connecting power sources with plug-in unit

1994-03-17

1998-03-24

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

307 41, H02J 100

Patent

active

057316392

ABSTRACT:
An apparatus for connecting power sources to a plug-in unit has a plug-in connector and a plurality of connection control circuits. Terminal pins of the plug-in connector are connected simultaneously to a negative power source, a GND and a positive power source. When the negative power source and the GND are connected, a first connection control circuit is turned ON and connects the negative power source to a first load circuit. A second connection control circuit is turned on in response to an input from the negative power source supplied to the first load circuit, and supplies a GND signal to a third connection control circuit. The third connection control circuit is turned ON when the GND signal is supplied to the positive power source, and connects the positive power source to a second load circuit.

REFERENCES:
patent: 4323789 (1982-04-01), Dion
patent: 4449056 (1984-05-01), Shibazaki
patent: 4663539 (1987-05-01), Sharp et al.
patent: 5268592 (1993-12-01), Bellamy et al.
patent: 5384490 (1995-01-01), Swartz, Jr.

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