Facsimile machine using thin film electroluminescent device

Details Facsimile machine using thin film electroluminescent device Facsimile machine using thin film electroluminescent device

1990-05-22

1991-06-18

Fuller, Benjamin R.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358300, 346107R, 346160, H04N 1028, H04N 1036, H04N 129, G01D 1514

Patent

active

050253212

ABSTRACT:
A facsimile machine having a thin film electroluminescent pixel array which is used as the controlled light beam source for creating an image on a photoreceptive copying apparatus when the machine is in a write mode and using the same TFEL pixel array as a source of illuminating light to the scanning sensor when the machine is in the read mode. In other embodiments the primary light emission from the pixel array is used in the write mode and secondary emission from the pixels is used for the illuminating source in the read mode. Embodiments of the TFEL array structure include combination with scanning sensors on the same substrate. Other embodiments include the scanning sensor and the pixel array on separate substrates positioned in generally parallel planes.

REFERENCES:
patent: 4424523 (1984-01-01), Snelling
patent: 4535341 (1985-08-01), Kun
patent: 4734723 (1988-03-01), Ishitobi
patent: 4807047 (1989-02-01), Sato
patent: 4899184 (1990-02-01), Leksell

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