Braille forming apparatus for forming wide patterns and lines

Details Braille forming apparatus for forming wide patterns and lines Braille forming apparatus for forming wide patterns and lines

1997-07-15

1999-06-08

Yan, Ren

Typewriting machines

Foreign language or braille typewriter

Braille

400130, B41J 332

Patent

active

059099720

ABSTRACT:
A braille forming apparatus which can properly form a large pattern and a wide line. A large pattern can be formed by an initial closed loop pattern, followed by forming a further pattern within the original closed loop pattern. A wide line can be formed by repeating this operation, or by utilizing specialized patterns in which a pen tip of the braille forming apparatus is not required to be lifted off of the braille sheet.

REFERENCES:
patent: 3197889 (1965-08-01), Micropoulou
patent: 3363339 (1968-01-01), Place
patent: 4261663 (1981-04-01), Grimnes
patent: 5449240 (1995-09-01), Dorpfeld et al.
patent: 5574830 (1996-11-01), Quzilleau
patent: 5767764 (1998-06-01), Ida

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