Braille display device using electrorheological fluid and...

Education and demonstration – Communication aids for the handicapped – Tactile reading aid

Reexamination Certificate

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C434S112000

Reexamination Certificate

active

08047849

ABSTRACT:
Provided are a braille display device using an electrorheological fluid and a method for manufacturing the same. The braille display device includes: a base body in which a plurality of insulating reception grooves are formed; a first electrode arranged below the base body; an electrorheological fluid received in the reception groove; a microcapsule having an electrophoresis particle which is dispersed in the electrorheological fluid; a second electrode arranged above the microcapsule; a braille pin installed above the second electrode; and a braille pin protection film arranged above the braille pin.

REFERENCES:
patent: 5222895 (1993-06-01), Fricke
patent: 5496174 (1996-03-01), Garner
patent: 6327072 (2001-12-01), Comiskey et al.
patent: 09-297544 (1997-11-01), None
patent: 9-297544 (1997-11-01), None
patent: 11-085433 (1999-03-01), None
patent: 2004-054165 (2004-02-01), None
patent: 1020000038125 (2000-07-01), None
patent: 10-2004-0070624 (2004-08-01), None
patent: 1020040070624 (2004-08-01), None
patent: 1020050034911 (2005-04-01), None
patent: WO 2004/081741 (2004-09-01), None

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