Incremental printing of symbolic information – Light or beam marking apparatus or processes – With record receiver or handling means therefor
Patent
1994-09-28
1995-06-27
Tran, Huan H.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
With record receiver or handling means therefor
347215, B41J 244, B41J 2447, B41J 2435
Patent
active
054283744
ABSTRACT:
A thermal transfer printer includes a rotating drum for transporting a sheet of paper together with and at the periphery of the drum, a plurality of guide rollers for guiding the paper sheet disposed on the periphery of the drum and rotated while in contact with the drum, an ink film which moves with the paper sheet, and a thermal transfer printing head for heating the ink film by irradiating light modulated according to image data so that the ink of the ink film is transferred onto the paper sheet. The printer further includes a tube for pressing the ink film and paper sheet against the drum, the tube containing the printing head therein and being formed of a transparent material, and a device for supporting the tube so that the tube comes into contact with the drum. In the above printer, it is possible to print image data on the entire paper sheet without producing margins in the upper and lower portions of the paper sheet, to precisely transport the paper sheet, and to keep the distance between the laser head and the ink film constant, thereby preventing the wasting of paper and obtaining a clear picture.
REFERENCES:
patent: 5045866 (1991-09-01), Chiba et al.
patent: 5339132 (1994-08-01), Tomita et al.
Samsung Electronics Co,. Ltd.
Tran Huan H.
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