Title:
ELECTRONIC FLASH DEVICE
Document Type and Number:
Japanese Patent JP2002341415
Kind Code:
A
Abstract:
To detect the missing of strobe light emission with a simple constitution, and also, to prevent the occurrence of underexposure even in the case the light is missing.
The strobe light is directly received by a photometry sensor, etc., and whether or not the light is emitted is surely judged, and also, a timing of closing a shutter is delayed in the case of judging that the light is missing.
Inventors:
ICHINOMIYA TAKASHI
Application Number:
JP2001147674A
Publication Date:
November 27, 2002
Filing Date:
May 17, 2001
Export Citation:
Assignee:
CANON KK
International Classes:
G03B7/099; G02B7/28; G03B7/083; G03B7/097; G03B7/16; G03B7/17; G03B7/30; G03B9/08; G03B9/70; G03B15/03; G03B15/05; G03B17/18; (IPC1-7): G03B15/05; G02B7/28; G03B7/00; G03B7/083; G03B7/097; G03B7/099; G03B7/16; G03B9/08; G03B9/70; G03B15/03; G03B17/18
Attorney, Agent or Firm:
Keizo Nishiyama (1 person outside)