Title:
カメラ、アクセサリ装置、通信制御方法、コンピュータプログラム、およびカメラシステム
Document Type and Number:
Japanese Patent JP6545323
Kind Code:
B2
Abstract:
[PROBLEMS] To enable a camera and each accessory apparatus to communicate with each other while a plurality of accessory apparatuses are connected to the camera in a short time.[SOLUTION MEANS] A camera 200 includes a camera controller 205 configured to control a communication with the plurality of accessory apparatuses 100 and 300 using a signal transmission channel CS between the camera and the plurality of accessory apparatuses, and a data communication channel DATA between the camera and each accessory apparatuses, and the camera controller 205 is configured to provide, using the data communication channel, a first communication for performing a data communication with the plurality of accessory apparatuses, and a second communication for performing a data communication individually with a specific accessory apparatus designated as a communication counterpart by the first communication, outputs a signal for instructing switching from the first communication to the second communication to the signal transmission channel, performs the first communication at a first communication rate commonly usable for the camera and the plurality of accessory apparatuses, and performs the second communication at a second communication rate commonly usable for the camera and the specific accessory apparatus and equal to or higher than the first communication rate.
Inventors:
Kawada Kazutoshi
Application Number:
JP2018102936A
Publication Date:
July 17, 2019
Filing Date:
May 30, 2018
Export Citation:
Assignee:
Canon Inc
International Classes:
H04N5/232; G03B17/14; G03B17/56; H04N5/225
Domestic Patent References:
| JP2011175024A | ||||
| JP2012037692A | ||||
| JP2012053443A | ||||
| JP10161006A |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya
Atsushi Mizumoto
Hirayama Tomoya