Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shih-Pin Yu0
Date of Patent
June 23, 2009
Patent Application Number
11450380
Date Filed
June 12, 2006
Patent Primary Examiner
Patent abstract
An indicator device is used in a machine for indicating the operation status of the machine. The indicator device includes a body detachably mounted to the machine, a plurality of circuit boards, which are detachably electrically coupled together, mounted inside the body and each provided with a plurality of light emitting elements arranged in a line, and a controller electrically connected to the circuit boards for controlling on/off status of the light emitting elements subject to the operation status of the machine.
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