Braille writing device capable of processing information

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8342846
APP PUB NO 20090004632A1
SERIAL NO

11817199

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A Braille writing device capable of processing information, comprises a motherboard (10) including a plurality of Braille cells (11) arranged in rows and columns, each cell consists of six dot-shaped recesses or pinholes, a sub-board (20) is configured to be inserted into a flute (12) being provided at each of left and right margins of the motherboard and moveable along the flute, a plurality of marks (13) are provided on an outer surface of the flutes (12), and a detent member (30) is formed between each two of the marks (13) in the inner side of the flute (12) and configured to prevent the moveable sub-board from being moved during writing. A Braille information processor (40) is fixed on a concave formed on the backside of the motherboard (10), comprising a circuit board (41), a central processing unit (42), a plurality of Braille trigger switch groups (44) each of which consists of six trigger switches (43), and an infrared transmitter (45). The Braille information processor can be coupled to a PDA or computer.

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Patent Owner(s)

Patent OwnerAddress
SHENZHEN WANG LING SCIENCE AND TECHNOLOGY DEVELOPMENT CO LTD7A XIJINGGE WEST LAKE GARDEN BAO'AN SOUTH ROAD SHENZHEN GUANGDONG 518008

International Classification(s)

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  • 2006 Application Filing Year
  • G09B Class
  • 343 Applications Filed
  • 202 Patents Issued To-Date
  • 58.90 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200620072008200920102011201220132014201520162017201820190255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yau, Yimwai Guangdong, CN 25 50

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges18161664018651323901 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0102030405060708090100110120130140150160170

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