Method and apparatus for printing Braille

Details Method and apparatus for printing Braille Method and apparatus for printing Braille

1986-08-12

1987-03-31

Pearson, Charles A.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

400692, B41J 332

Patent

active

046539425

ABSTRACT:
A conventional serial computer printer is modified by removing the roller platen, solenoid plunger and daisy wheel. A punch guide in the form of an elongated plate having openings corresponding to at least some of the embossment positions in a line of Braille together with a back-up die in the form of an elongated plate having indentations each defining the shape of a Braille character embossment in alignment with the openings in the punch guide are substituted for the platen roller in the printer. A Braille medium upon which a line of Braille is to be printed is receivable between the punch guide and back-up die. A flexible punch is substituted for the normal plunger in the solenoid so that the Braille characters can be successively punched by the punch passing through selected ones of the openings to thereby provide a line of Braille.

REFERENCES:
patent: 1293023 (1919-02-01), Bryan et al.
patent: 2039406 (1936-05-01), Greensfelder
patent: 3880269 (1975-04-01), Carbonneau
patent: 4047606 (1977-09-01), Ott
patent: 4444519 (1984-04-01), Howell et al.
IBM Technical Disclosure Bulletin, vol. 11, No. 12, May 1969, p. 1649, "Random Braille Printer" by Loeber.

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