Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 16, 2013
Patent Application Number
11980499
Date Filed
October 31, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
R, G and B LEDs are used as a light source of an electronic flash. Electric energy is supplied to a capacitor to the LEDs. A system controller controls light emitting amounts of the LEDs so that a color temperature of the electronic flash light becomes a color temperature that has been manually set with a color temperature setting switch or a color temperature of a light source determined by color temperature sensors.
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