Information input/output device for visually impaired users
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 23, 2006
Grant Date -
Feb 21, 2002
app pub date -
Aug 6, 2001
filing date -
Aug 9, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides an information input/output device for visually impaired users whereby the visually impaired users can easily obtain information for the operation and perform the operation without confusion. This device comprise a braille output unit having a plurality of projectable dotted portions and which enables output of a plurality of braille patterns by controlling the projection of the dotted portions, and a recognition means which recognizes that an operation concerning the braille patterns output by the braille output unit is input when the braille output unit is pushed within a predetermined period of time after the braille patterns are output by the braille output unit. When the user inputs an operation concerning the braille patterns, the user pushes the braille unit in which the braille patterns are output.
First Claim
Other Claims data not available
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 14 Citation Count
- G09G Class
- 35.22 % this patent is cited more than
- 19 Age
