US 11,706,523 B2
Imaging apparatus, accessory apparatus, and communication control method
Atsushi Sugita, Yokohama (JP); and Kazumichi Sugiyama, Kawasaki (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Nov. 17, 2021, as Appl. No. 17/528,728.
Application 17/528,728 is a continuation of application No. 16/454,535, filed on Jun. 27, 2019, granted, now 11,303,796.
Claims priority of application No. 2018-123758 (JP), filed on Jun. 28, 2018; application No. 2018-143940 (JP), filed on Jul. 31, 2018; application No. 2018-165141 (JP), filed on Sep. 4, 2018; application No. 2019-110936 (JP), filed on Jun. 14, 2019; and application No. 2019-111474 (JP), filed on Jun. 14, 2019.
Prior Publication US 2022/0078331 A1, Mar. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 23/66 (2023.01); G03B 17/14 (2021.01); H04N 23/55 (2023.01)
CPC H04N 23/66 (2023.01) [G03B 17/14 (2013.01); H04N 23/55 (2023.01)] 39 Claims
OG exemplary drawing
 
1. An imaging apparatus to which an accessory apparatus is attachable, the imaging apparatus comprising a camera controller configured to communicate with the accessory apparatus,
wherein the camera controller receives first information, and performs communication based on the first information, and
wherein the camera controller requests the accessory apparatus for data having a data size equal to or less than a data size indicated by the first information.