Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1992-04-01
1993-03-16
Burr, Edgar S.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
400 82, B41J 222
Patent
active
051939215
ABSTRACT:
A braille printer that embosses braille characters by a method wherein a paper feed mechanism using a motor is disposed in the entry of a paper feed passage, a motor controler for feeding paper on which braille characters are embossed to an emboss start position according to one dot line spacing and character line spacing is mounted thereto, and the projections and recesses of both the dies at positions corresponding to the braille signals at an embossing position in the midway of the paper feed passage, wherein there are disposed a lead-edge position sensor for detecting the lead-edge position of paper is disposed in the paper-feed passage, and an obverse-/reverse-surface indicator for outputting an obverse-/reverse-surface indication signal indicating which one of either or the obverse surface or reverse surface of the paper should be printed, and an initial paper-feed controller for, in response to a detection signal from the leading-edge position sensor and the obverse-/reverse-surface indication signal, outputting an initial paper-feed termination signal to the motor controller when the paper is fed to embossing positions which are shifted from each other so that the braille characters on both sides of the paper will not overlap.
REFERENCES:
patent: 3640368 (1972-02-01), Weinberger
patent: 4261663 (1981-04-01), Grimnes
patent: 4692041 (1987-09-01), Dyma et al.
patent: 4702630 (1987-10-01), Igi et al.
patent: 4735516 (1988-04-01), Galarneau
Goto Isamu
Tsukuda Yoshimi
Bennett Christopher A.
Burr Edgar S.
Toyo Hybrid Co., Ltd.
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