Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 23, 2010
Patent Application Number
11620739
Date Filed
January 8, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
Various electronic pen devices are disclosed herein. In one embodiment, an electronic pen with an improved ultrasound transducer (i.e. transmitter or receiver) is provided. In one embodiment an electronic pen with an improved ‘pen up/pen down’ detector is provided In one embodiment, an electronic pen with an improved structure for transmitting infrared light is provided. In one embodiment, an improved electronic pen that may be operated in pen mode or mouse mode is provided.
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