Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 29, 2008
Patent Application Number
11015286
Date Filed
December 16, 2004
Patent Primary Examiner
Patent abstract
A writing instrument comprising a liquid spray head serving to spray liquid onto a medium from a distance, and a processor unit serving to activate the spray head. The instrument further comprises measurement means for measuring the distance between the spray head and the medium, and holding detector means for detecting that the instrument is being held by the user, the processor unit being adapted to activate the liquid spray head when firstly the measurement means determine that the distance between the spray head and the medium is less than a predetermined maximum value, and when secondly the holding detector means detect that the instrument being held by the user.
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