US 11,892,754 B2
Camera, interchangeable lens apparatus, adapter apparatus, control method, and storage medium
Junji Shigeta, Utsunomiya (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Apr. 19, 2022, as Appl. No. 17/723,549.
Application 17/723,549 is a continuation of application No. 17/159,230, filed on Jan. 27, 2021, granted, now 11,599,010.
Application 17/159,230 is a continuation of application No. 16/695,570, filed on Nov. 26, 2019, granted, now 10,942,426, issued on Mar. 9, 2021.
Application 16/695,570 is a continuation of application No. PCT/JP2018/020714, filed on May 30, 2018.
Claims priority of application No. 2017-107260 (JP), filed on May 31, 2017; and application No. 2018-102897 (JP), filed on May 30, 2018.
Prior Publication US 2022/0236628 A1, Jul. 28, 2022
Int. Cl. G03B 17/14 (2021.01); G03B 5/00 (2021.01); H04N 23/67 (2023.01)
CPC G03B 17/14 (2013.01) [G03B 5/00 (2013.01); H04N 23/67 (2023.01)] 12 Claims
OG exemplary drawing
 
1. An adapter apparatus to which the camera and interchangeable lens apparatus are capable to be connected, the adapter apparatus comprising:
a relay channel for forming part of a camera-lens communication channel used for a communication between the camera and the interchangeable lens apparatus;
an adapter-camera communication controller configured to communicate with the camera by using a camera-adapter communication channel provided separately from the relay channel; and
an operation member that is operated by a user,
wherein the camera-lens communication channel includes a first data communication line used during a data communication, a second data communication line used during a data communication and a first notification line used for a notification of a timing of a communication between the camera and the interchangeable lens apparatus,
wherein the camera-adapter communication channel consists of a third data communication line used during a data communication and a second notification line used for a notification of a timing of a communication between the camera and the adapter apparatus, and
wherein operation data of the operation member is transmitted via the third data communication line.