Binary information display apparatus, linear cam for the binary

Details Binary information display apparatus, linear cam for the binary Binary information display apparatus, linear cam for the binary

1995-11-01

1998-06-16

Mofsass, Jeffery

Communications: electrical

Tactual indication

434112, 434113, 434114, 434169, H04B 336

Patent

active

057677646

ABSTRACT:
There is provided a binary information display apparatus capable of generating all appearance/disappearance patterns of a plurality of corresponding braille pins, which binary information display apparatus is formed to be compact and has achieved improved response speed, a linear cam for the binary information display apparatus, and a method of generating shape patterns of the linear cam. Shape patterns determined by a predetermined shape pattern generation method are formed at pin interval L of the pins P1 to P4 on the top surface of a linear cam 5. When the linear cam 5 is moved at pin interval L in the direction of the arrow A, the appearance/disappearance pattern of the pins P1 to P4 on the display surface 1a changes, and all the appearance/disappearance patterns are generated with no duplication. That is, useless shape pattern is not present, and the total length of the linear cam 5 is shortened.

REFERENCES:
patent: 4871992 (1989-10-01), Petersen
patent: 5453012 (1995-09-01), Hudecek

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