Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akira Nagumo0
Date of Patent
August 2, 2011
0Patent Application Number
123796560
Date Filed
February 26, 2009
0Patent Primary Examiner
Patent abstract
A drive circuit is provided for supplying a drive current to drive a plurality of driven elements each having two main electrodes. The drive circuit includes a switch circuit for receiving a drive signal; and a constant voltage circuit connected to the switch circuit for adjusting the drive current at a constant level.
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