Image formation and erasure on and from scattering-mode light-mo

Details Image formation and erasure on and from scattering-mode light-mo Image formation and erasure on and from scattering-mode light-mo

1992-02-26

1994-05-24

Fuller, Benjamin R.

Recorders

Thermal recording

346 11, 359 36, 359 43, 359 44, 359 68, B41M 526, B41M 528

Patent

active

053153189

ABSTRACT:
An image formation apparatus using a recording medium including a scattering-mode light-modulation member which takes an opaque state in response to a heat and takes a transparent state in response to an electric field. The apparatus comprises a heater and an electrode device which are disposed in opposed relation to the recording medium. The heater preheats the recording medium in accordance with a control signal from an external device and the electrode device applies an electric field to the recording medium after the heating, thereby completely erasing an image previously recorded in the recording medium. After the erasure, the recording medium is heated by a thermal head in accordance with an information signal from an external device so as to form a new image in the recording medium.

REFERENCES:
patent: 4734359 (1988-03-01), Oguchi et al.
patent: 5065250 (1991-11-01), Takanashi et al.
patent: 5144415 (1992-09-01), Takanashi et al.

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