Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gen Sasaki0
Date of Patent
March 27, 2007
Patent Application Number
10364378
Date Filed
February 12, 2003
Patent Primary Examiner
Patent abstract
The present invention provides an AF evaluation value calculating device in which speed of AF control does not deteriorate even when a number of AF areas are set. The AF evaluation value calculating device for calculating an AF evaluation value used for AF (auto-focus) control of a digital camera, includes: at least one AF evaluation value calculating unit 13 for calculating an AF evaluation value in each of a plurality of AF areas which are set in an image area of image data supplied; and a data transmitter (17a and ch0) for transmitting the AF evaluation value calculated by the AF evaluation value calculator 13 into a predetermined memory by DMA (Direct Memory Access).
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