Title:
AN ELECTROMAGNETIC INDUCTION ELECTRONIC BOARD WITH ANTENNA ARRAYED IN GRIDDING INSIDE
Document Type and Number:
WIPO Patent Application WO/2003/056418
Kind Code:
A1
Abstract:
An electromagnetic induction electronic board with antenna arrayed in gridding inside, which included: a writing input part and frame surrounding with the writing input part and a control circuit device. The writing input part had a multilayer instruction, comprising surface writing layer and inputting sense layer and bottom layer. The output of sense layer was connect with the control circuit and the sense layer was set on insulation layer with antenna arrayed in gridding along X and Y axis direction. Each of the space made by gridding formed a sense unit.
Inventors:
SHI XUANMING (CN)
Application Number:
PCT/CN2002/000689
Publication Date:
July 10, 2003
Filing Date:
September 27, 2002
Export Citation:
Assignee:
TAI GUEN ENTPR CO LTD (TW)
SHI XUANMING (CN)
SHI XUANMING (CN)
International Classes:
B43L1/04; G06F3/0354; G06F3/041; G06F3/046; (IPC1-7): G06F3/033
Foreign References:
| JP2000172424A | 2000-06-23 | |||
| JP2000172421A | 2000-06-23 | |||
| JPH11110135A | 1999-04-23 | |||
| JPH09305317A | 1997-11-28 | |||
| GB2311362A | 1997-09-24 | |||
| JPH02153419A | 1990-06-13 |
Other References:
See also references of EP 1469376A4
Attorney, Agent or Firm:
BEIJING BEIXIN-ZHICHENG INTELLECTUAL PROPERTY AGENT CO., LTD (Xizhimen Nandajie Xicheng District Beijing 5, CN)
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