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Title:
DIGITAL CAMERA
Document Type and Number:
Japanese Patent JP3904560
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a digital camera with which stroboscopic photographing can be implemented by automatically calculating and setting an exposure value which is proper for both a main object and a background in the range that stroboscopic light does not reach.
SOLUTION: A first exposure condition calculating operation calculates and sets a proper exposure condition, in imaging by an imaging device, including an effective exposure time and an ISO sensitivity value without subordinate light emission from a stroboscope part. Besides, a second exposure condition calculating operation sets a relevant exposure condition by correcting at least the ISO sensitivity value in the exposure condition set by the first exposure condition calculating operation on the basis of a level of a photoelectric transduction output from the imaging device resulting from performing exposure in the imaging device with the effective exposure time and the ISO sensitivity value of the first exposure condition with the subordinate light emission from the stroboscope part. The exposure in the imaging device is then carried out as an original photographing operation on the exposure condition set by the second exposure condition calculating operation.


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Inventors:
Yoshihisa Shimada
Application Number:
JP2004000786A
Publication Date:
April 11, 2007
Filing Date:
January 06, 2004
Export Citation:
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Assignee:
Olympus Endo Technology America Inc.
International Classes:
H04N5/235; G03B7/16; G03B15/03; G03B15/05; H04N5/238; H04N101/00; (IPC1-7): H04N5/235; G03B7/16; G03B15/03; G03B15/05; H04N5/238; //H04N101:00
Domestic Patent References:
JP2002044516A
JP10032750A
JP2002077718A
JP2000354197A
JP2000253306A
JP11242272A
JP64061175A
JP2168778A
JP2001157110A
JP2001326854A
JP2000111980A
Attorney, Agent or Firm:
Masahiro Fukuyama



 
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