Printer head for braille printer

Details Printer head for braille printer Printer head for braille printer

1987-02-20

1988-04-05

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 18, B41J 312, B41J 332

Patent

active

047355166

ABSTRACT:
A device for embossing braille characters on an embossable substrate includes the combination of a feed device advancing the substrate and embossing head for embossing dots on the substrate. The embossing head is movable relative to the feed device to emboss horizontal lines of dots on the substrate in predetermined patterns. One horizontal line of Braille characters can be printed on a substrate by the embossing of three horizontal lines of dots on the substrate, the substrate being advanced between the horizontal lines of dots by the feed device.

REFERENCES:
patent: 3132962 (1964-05-01), Seymour
patent: 3880269 (1975-04-01), Carbonneau
patent: 3941051 (1976-03-01), Barrus
patent: 4183683 (1980-01-01), Hiratsuka
patent: 4488828 (1984-12-01), Ohtsuki
IBM Tech. Disc. Bulletin, Jacobs, vol. 8, No. 10, Mar. 1966, p. 1424, "Embossing Braille Characters".
IBM Tech. Disc. Bulletin, Loeber, vol. 11, No. 12, May 1969, p. 1649, "Random Braille Printer".

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