Title:
BRAILLE READING SENSOR AND BRAILLE READER
Document Type and Number:
WIPO Patent Application WO/2006/101198
Kind Code:
A1
Abstract:
A Braille reading sensor and Braille reader for correctly reading a Braille character. The output voltage of the sensor is high, and consequently the sensitivity is enhanced. The Braille reading sensor has a piezoelectric converting element provided between first and second electrodes. A thin film deformable by the external pressure and having flexibility is provided above the piezoelectric converting element, and an elastic member made of a material softer than the thin film and elastically deformed by the deformation of the piezoelectric converting element is provided below the piezoelectric converting element.
Inventors:
JIANG ZHONGWEI (JP)
ARABSHAHI SAYYED ALIREZA (JP)
ARABSHAHI SAYYED ALIREZA (JP)
Application Number:
PCT/JP2006/305980
Publication Date:
September 28, 2006
Filing Date:
March 24, 2006
Export Citation:
Assignee:
UNIV YAMAGUCHI (JP)
JIANG ZHONGWEI (JP)
ARABSHAHI SAYYED ALIREZA (JP)
JIANG ZHONGWEI (JP)
ARABSHAHI SAYYED ALIREZA (JP)
International Classes:
G09B21/00; G06F3/01
Foreign References:
JPS61182721U | 1986-11-14 | |||
JPH04340280A | 1992-11-26 | |||
JPH06229848A | 1994-08-19 | |||
JPH039232A | 1991-01-17 | |||
JP2004279766A | 2004-10-07 | |||
JP2003150897A | 2003-05-23 | |||
JPH0512482A | 1993-01-22 | |||
JPH06289775A | 1994-10-18 |
Attorney, Agent or Firm:
Patent, Corporate Body Dai-ichi Kokusai Tokkyo Jimusho (10-5 Shiba 4-chome, Minato-k, Tokyo 14, JP)
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