ELECTRONIC WHITE BOARD HAVING ELECTROMAGNETIC SENSING LAYER OF CONDUCTOR GRID

Details for Australian Patent Application No. 2002330440 (hide)

Owner TAI GUEN ENTERPRISE CO., LTD

Inventors SHI, Xuanming

Pub. Number AU-A-2002330440

PCT Number PCT/CN02/00690

PCT Pub. Number WO2004/027698

Priority 02130934.5 17.09.02 CN

Filing date 27 September 2002

Wipo publication date 8 April 2004

International Classifications

G06K 011/06 Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signals - Devices for converting the position of a manually-operated writing or tracing member into an electrical signal

Event Publications

30 January 2003 Complete Application Filed

  Priority application(s): 02130934.5 17.09.02 CN

20 May 2004 Application Open to Public Inspection

  Published as AU-A-2002330440

2 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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