Method and apparatus for controlling supply of electric power to

Details Method and apparatus for controlling supply of electric power to Method and apparatus for controlling supply of electric power to

1995-09-27

1997-12-16

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Indicator means

400711, 364707, B41J 2900

Patent

active

056977174

ABSTRACT:
A printer has an electric power supply controller which controls electric power supplied to an indicator indicating a state of the printer so as to prolong a driving time of the printer, which is driven by a battery. When the apparatus is set to an on-line state using an on-line key, electric power is initially supplied to an on-line LED, which indicates the apparatus is in the on-line state. Afterwards, when a predetermined time period has passed, the supply of electric power is cut off to the on-line LED, whereby the consumption of electric power supplied to the indicator can be minimized.

REFERENCES:
patent: 4772142 (1988-09-01), Makita
patent: 4825250 (1989-04-01), Miyata et al.
patent: 4990005 (1991-02-01), Karakawa
patent: 5089690 (1992-02-01), Okamura
patent: 5182583 (1993-01-01), Horigome et al.
patent: 5218353 (1993-06-01), Okumura et al.
patent: 5381161 (1995-01-01), Sasaki et al.
patent: 5383140 (1995-01-01), Nanno et al.
patent: 5449238 (1995-09-01), Pham et al.
patent: 5501534 (1996-03-01), Mizoguchi
English translation of Japanese Laid-Open Patent Application No. 4-314569 (Nakamura), published Nov. 5, 1992.

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