Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Hayman0
Bruce Sargeant0
Eric P. Rose0
Date of Patent
March 3, 2009
0Patent Application Number
111743630
Date Filed
June 30, 2005
0Patent Primary Examiner
Patent abstract
A dental lamp includes a control system adapted to control operation of a light source within the dental lamp. The control system requires that an unexpended light guide including a recordable medium be coupled to a lamp head of the dental lamp, in order to illuminate the light source. The control system records a first data signal on the recordable medium during illumination of the light source indicating that the light guide has been expended. The control system also records a second data signal onto a second recordable medium so that a particular duration of use of the light source may be indicated.
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