Battery-operable printer

Details Battery-operable printer Battery-operable printer

2005-07-19

2005-07-19

Brooke, Melvin S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S019000, C347S104000

Reexamination Certificate

active

06918645

ABSTRACT:
In a thermal transfer printer driven by a battery power source, to perform a print operation, the remaining capacity level of the battery power source (remaining battery capacity level) is detected by a voltage detector immediately before paper is fed out of a paper cassette and transferred for printing. The detected remaining battery capacity level is compared with a criterion level, which is a print-driving power required for one sheet of paper. If the remaining battery capacity level is lower than the criterion level, control is performed to stop the commencement of a print-driving operation. Thereby, the battery-driven printer averts printing from being terminated partway because of depletion in the battery power, and furthermore, enables printed sheets of the paper to utmost be increased.

REFERENCES:
patent: 5631677 (1997-05-01), Horigome et al.
patent: 6067101 (2000-05-01), Arakawa et al.
patent: 6247777 (2001-06-01), Shimoda
patent: 1166979 (1989-06-01), None
patent: 04-200185 (1992-07-01), None
patent: 11-177912 (1999-07-01), None

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