Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1995-11-06
1999-08-10
Yockey, David F.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347248, 347262, B41J 2435
Patent
active
059366567
ABSTRACT:
An ink sheet having an ink layer, containing ink to be molten by heat generated by its absorption of received light, includes a magnetic layer being magnetized to have a preset magnetic pattern. The direction of polarization of the reflecting light varies depending on a state of the magnetization on the magnetic layer when part of the received light is incident on and reflected from the magnetic layer. The ink sheet is combined with a printer in which a recording medium and the ink sheet are coupled together, and ink is transferred to the recording medium when the ink sheet receives light. The printer includes optical heads for projecting a light beam upon the ink sheet while moving in the width direction of the ink sheet, sensors for sensing a state of polarization of the light beam reflected from the ink sheet, and actuators for adjusting an irradiating position of the light beam on the ink sheet on the basis of a state of polarization of the reflecting light that is sensed by the sensor.
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Odai et al., "Halftone Color Imaging by Laser Dye Transfer", Mitsubishi Nonimpact Printing Technology 1993, pp. 362-365.
Fuji 'Xerox Co., Ltd.
Yockey David F.
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