Electrical writing board

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9152002
APP PUB NO 20140307303A1
SERIAL NO

14249335

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An electrical writing board includes a bottom color plate, an electrochromic board, a touch panel, and a driving circuit module. The electrochromic board is covered on the bottom color plate, and includes a plurality of electrochromic units. The touch panel is covered on the electrochromic board, and outputs a touch signal when the touch panel is touched. The driving circuit module is electrically connected between the electrochromic board and the touch panel, and enables a part of the electrochromic units according to the touch signal to display a handwriting. The handwriting displaying on the electrochromic board is the same as a touch route sensed by the touch panel.

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First Claim

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Patent Owner(s)

  • HON HAI PRECISION INDUSTRY CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lin, Chen-Han New Taipei, TW 39 110

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