Recording method with control of head energization and recording

Details Recording method with control of head energization and recording Recording method with control of head energization and recording

1994-06-07

1995-07-11

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Density control

347 10, 347 14, B41J 2355, B41J 2325

Patent

active

054325331

ABSTRACT:
A recording apparatus such as a printer for recording an image such as characters and patterns on a recording medium which may be a heat-sensitive paper, ordinary paper or the like. The apparatus has a recording head adapted for making a relative movement with respect to the recording medium so as to record the image on the recording medium, the recording head being adapted to generate heat in a controlled manner thereby to record the image on the recording medium by the heat. The apparatus further has a record image density setting device for setting the density of the image to be recorded on the recording medium by varying, for example, recording voltage applied to the recording head, and a heat-generating period setting device for setting the period of heat generation in the recording head. The period of heat generation in the recording head and the recording speed are controlled in accordance with the value set by the record image density setting device.

REFERENCES:
patent: 4113391 (1978-09-01), Minowa
patent: 4407003 (1983-09-01), Fukui
patent: 4409599 (1983-10-01), Yasuda et al.
patent: 4409600 (1983-10-01), Minowa
patent: 4429318 (1984-01-01), Kobata
patent: 4434354 (1984-02-01), Nakata
patent: 4719473 (1988-01-01), Shimamura
patent: 5191356 (1993-03-01), Shibamiya

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