Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 1, 2011
Patent Application Number
11689039
Date Filed
March 21, 2007
Patent Primary Examiner
Patent abstract
A digitizer pen includes a solar cell for converting solar power into electrical energy, an energy storing circuit connected electrically to the solar cell for storing electrical energy therefrom, a magnetic field generating circuit for receiving electrical energy from one of the solar cell and the energy storing circuit, and a pen housing unit for receiving the solar cell, the energy storing circuit and the magnetic field generating circuit.
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