Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Haim Perski0
Meir Morag0
Date of Patent
November 6, 2007
0Patent Application Number
106497080
Date Filed
August 28, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A digitizer for user interaction via an object with an electronically refreshable display screen, the digitizer comprising: a transparent sensing arrangement of detectors located at said electronically refreshable display screen for detecting an electric field of said object, said detectors having outputs, and an arrangement of differential amplifiers associated with said outputs, thereby to apply differential detection between said outputs.
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