Power source voltage supply controlling apparatus

Details Power source voltage supply controlling apparatus Power source voltage supply controlling apparatus

1993-02-19

1995-07-11

Pellinen, A. D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307141, 307142, G06F 126

Patent

active

054323878

ABSTRACT:
A switching means is provided in a power source line for supplying the A.C. power source of a main power source circuit. A lock switch is separately provided. In the normal state, the lock switch is in a locked off state, thereby controlling the on-off operation of the switching means by the automatic on-off function based on a power source operating switch and timer etc. By turning the lock switch off, the switching means is locked, thereby overriding the automatic on-off function and the power source operating switch.

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patent: 4890006 (1989-12-01), Huang
patent: 5196731 (1993-03-01), Abe et al.
patent: 5283475 (1994-02-01), Berger
European Search Report, dated Dec. 29, 1994, App. No. 93102665.2.
"Control Panel for Models of AS/400" IBM Technical Disclosure Bulletin, vol. 32, No. 9B, Feb. 1990, pp. 125-129.
R. Bealkowski, et al., "Personal Computer Security Lock", IBM Technical Disclosure Bulletin, vol. 27, No. 5, Oct. 1984, pp. 2897-2899.

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