Title:
撮像装置及びその制御方法、アクセサリ及びその制御方法、撮像装置システム
Document Type and Number:
Japanese Patent JP5247859
Kind Code:
B2
Abstract:
An imaging apparatus to which an accessory is detachably attached includes an imaging means for converting an object image into an electrical signal, a signal generation means for generating a vertical synchronizing signal that is synchronized with a timing of exposure of the imaging means and outputting the generated vertical synchronizing signal, a control means for controlling communication with the accessory based on the vertical synchronizing signal, a first terminal for sending a clock signal generated by the control means to the accessory, and a second terminal for communicating data with the accessory based on the clock signal, in which the control means controls a signal level at the first terminal to a predetermined level when the communication of the data ends, and then changes the signal level in synchronization with the output of the vertical synchronizing signal.
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Inventors:
Keisuke Kudo
Yoshihiko Aihara
Yumi Uchiyama
Yoshihiko Aihara
Yumi Uchiyama
Application Number:
JP2011173937A
Publication Date:
July 24, 2013
Filing Date:
August 09, 2011
Export Citation:
Assignee:
Canon Inc
International Classes:
G03B17/14; G02B7/36; G03B7/20; G03B13/36; H04N5/225; H04N5/232; H04N5/238
Domestic Patent References:
| JP2010107725A | ||||
| JP2005164966A | ||||
| JP2001004914A | ||||
| JP2010237515A |
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa