Power supply apparatus

Details Power supply apparatus Power supply apparatus

1996-02-06

2000-04-04

Burr, Edgar

Typewriting machines

Safety switch or condition-responsive-cutoff switch for...

400 74, B41J 2938

Patent

active

060452749

ABSTRACT:
The present invention relates to a power supply apparatus and provides a power supply apparatus capable of properly performing the protective operation at the completion of use of the instrument connected through the power supply line, when and after suspension of supplement from the side of the power supply apparatus. In response to the on/off operation of a switch 106 which is responsive to the closing/opening movement of the top cover member of the instrument for which the electric power is supplied, a MPU 110 generates an instruction for the instrument to move a state in which the instrument has turned to no-use condition and to be suspended to receive the power supply, and, based on the instruction, by means of a timer 107, after a predetermined period of time is measured, the supplement of the power supply is suspended.

REFERENCES:
patent: 4540997 (1985-09-01), Biggs et al.
patent: 4967204 (1990-10-01), Terasawa et al.
patent: 5341163 (1994-08-01), Hanabusa
Patent Abstracts of Japan, vol. 012, No. 443 (P-790), Nov. 22, 1998 & JP 63 172317 A (Fujitsu LTD), Jul. 16, 1998.
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Patent Abstracts of Japan, vol. 010, No. 068 (P-437), Mar. 18, 1986 & JP 60 207920 A (Cannon KK), Oct. 19, 1985.
Patent Abstracts of Japan, vol. 013, No. 064 (P-827), Feb. 14, 1989 & JP 63 250754 A (Fuji Electric Co LTD), Oct. 18, 1988.
Patent Abstracts of Japan, vol. 018, No. 405 (P-1778), Jul. 28, 1994 & JP 06 119087 A (NEC Corp), Apr. 28, 1994.

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