Microfilm typewriter

Details Microfilm typewriter Microfilm typewriter

1977-03-30

1979-02-13

Gellner, Michael L.

354 5, 354 16, B41B 1506, B41B 1516

Patent

active

041392884

ABSTRACT:
A pattern of a character, numeral or symbol on an optical mask is selected in accordance with the designation by a character designator and irradiated with light from a printing light source. The light is converted into a light of the pattern of the designated character, numeral or symbol by a optical mask, the pattern being of a size ranging from about 20 to about 500 .mu.m, and the converted light reaches a thin layer of a dispersion imaging material formed on a recording medium to cause at least dispersion of the thin layer, thereby to print the pattern of the designated character, numeral or symbol. A recording medium support and the position of irradiation of the recording medium with the converted light are moved by a drive relative to each other, so that characters, numerals and symbols can be printed on the recording medium one by one. The characters, numerals and symbols printed on the recording medium in the region including the recording medium irradiating position are optically displayed by a projector during the printing operation.

REFERENCES:
patent: 2742831 (1956-04-01), Wirtz
patent: 3320851 (1967-05-01), Fischer
patent: 3590705 (1967-12-01), Moyroud
patent: 4044363 (1977-08-01), Morgan

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