Typewriting machines – Means auxiliary to typewriting function – Indicator means
Patent
1984-08-20
1986-10-07
Wright, Jr., Ernest T.
Typewriting machines
Means auxiliary to typewriting function
Indicator means
400 54, 400 63, 400 70, 400 83, 400279, 4003072, 400320, 400347, 400479, 400490, 400568, 400208, 4001573, B41J 2942
Patent
active
046156313
ABSTRACT:
A printing apparatus includes a power supply for supplying power thereto and a battery supply for supplying back-up battery power. A printing mechanism effects printing on a printing paper in accordance with one of a plurality of printing pitches, and a processor controls the printer and produces data signals. A selector selects one of a plurality of printing pitches and applies a signal indicating the selected printing pitch to the processor. A plurality of indicators each indicates a respective one of the plurality of printing pitches and one of the indicators is energized by a data signal produced by the processor. A memory is supplied with back-up battery power by the battery power supply and stores a selected one of the plurality of printing pitches. The memory is accessed by the processor. Further, the processor is responsive to the signal applied by the selecting means and indicative of the printing pitch to provide an energization data signal to the one of the indicators corresponding to the selected printing pitch. The processor is also responsive to initiation of supply of power from the power supply means to read out the selected printing pitch from the memory to provide the energization data signal to the one of the indicators corresponding to that printing pitch read from the memory.
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Kondo Hiroatsu
Nakajima Hiroharu
Ozawa Toshiaki
Ueda Hiroyuki
Yamada Yasuaki
Canon Kabushiki Kaisha
Wright, Jr. Ernest T.
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