Title:
CAMERA, INTERCHANGEABLE LENS DEVICE, ADAPTER DEVICE, CONTROL METHOD, AND IMAGING CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2018/221566
Kind Code:
A1
Abstract:
[Problem] To increase the speed of communication between a camera and an interchangeable lens device, while allowing smooth communication between the camera and an adapter device. [Solution] A camera 20 includes: lens-camera communication control units 207, 205 to which an interchangeable lens device 10 is connected via at least one adapter device 30, 40 and which communicate with the interchangeable lens device via a camera-lens communication channel leading from the camera to the interchangeable lens device via the adapter device; and adapter-camera communication control units 209, 205 that communicate with the adapter device via a camera-adapter communication channel provided between the camera and the adapter device separately from the camera-lens communication channel. The camera-lens communication channel includes a first data communication channel and a first notification channel, and the camera-adapter communication channel incudes a second data communication channel and a second notification channel.
Inventors:
SHIGETA JUNJI (JP)
Application Number:
PCT/JP2018/020714
Publication Date:
December 06, 2018
Filing Date:
May 30, 2018
Export Citation:
Assignee:
CANON KK (JP)
International Classes:
G03B17/56; G03B17/14; H04N5/232
Foreign References:
| JP2010226666A | 2010-10-07 | |||
| JPS63118113A | 1988-05-23 | |||
| JPH07234432A | 1995-09-05 | |||
| JP2002072328A | 2002-03-12 | |||
| JP2002341424A | 2002-11-27 | |||
| JP2012037692A | 2012-02-23 | |||
| JP2013232015A | 2013-11-14 |
Other References:
See also references of EP 3617797A4
Attorney, Agent or Firm:
FUJIMOTO Ryosuke (JP)
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