Title: Data input device
Application Number: 01823005 Application Date: 2001.11.26
Publication Number: 1493053 Publication Date: 2004.04.28
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01C1/06,G02B5/02,G02B5/30,G02B13/20,G02B27/28,G06G5/00,G09G5/08
Applicant(s) Name: VKB Inc. Address:
Inventor(s) Name: Klong Lieberman, Yuval Sharon
Attorney & Agent: xia jing
Abstract:
     A data input device and method including an illuminator (106) operative to illuminate at least one engagement plane (102) by directing light along the at least one engagement plane, a two-dimensional imaging sensor (112) viewing the at least one engagement plane from a location outside the at least one engagement plane for sensing light from the illuminator (106) scattered by engagement of a data entry object (110) with the at least one engagement plane and a data entry processor receiving an output from the two-dimensional imaging sensor (112) and providing a data input to utilization circuitry.
Time: 10
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