Title:
GRATING PLATE DEVICE COMBINED WITH VARIOUS TABLETS AND BOARDS
Document Type and Number:
WIPO Patent Application WO/2008/028322
Kind Code:
A1
Abstract:
A grating plate device combined with various tablets and boards includes a base (3)
formed by a surface of the tablet or the board, a pixel-interleaving picture (1),
a grating plate (2) fixing the picture (1) on the base (3). The focal length of the
grating plate (2) is slightly larger than the thickness of the grating plate (2).
The grating plate device may change the picture and be applied to a key chain, a
punching tablet or a desk calendar etc.
Inventors:
CHAN TOMMY WAI MING (CN)
Application Number:
PCT/CN2006/002198
Publication Date:
March 13, 2008
Filing Date:
August 25, 2006
Export Citation:
Assignee:
MY 3DPICS LTD (CN)
CHAN TOMMY WAI MING (CN)
CHAN TOMMY WAI MING (CN)
International Classes:
G09F19/14; G02B30/30
Foreign References:
| CN2630993Y | 2004-08-04 | |||
| JPH0553518A | 1993-03-05 | |||
| CN2556670Y | 2003-06-18 | |||
| JPH02228645A | 1990-09-11 | |||
| CN2456926Y | 2001-10-31 | |||
| CN2603041Y | 2004-02-11 |
Attorney, Agent or Firm:
SHENZHEN STANDARD PATENT & TRADEMARK AGENT LTD. (Yinzuo Int'l Bldg.No.1056 Shennan Boulevard,Shenzhen, Guangdong 0, CN)
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