US 12,078,915 B2
Accessory
Akihiko Kawai, Kawasaki (JP)
Assigned to NIKON CORPORATION, Tokyo (JP)
Filed by NIKON CORPORATION, Tokyo (JP)
Filed on May 5, 2022, as Appl. No. 17/737,533.
Application 17/737,533 is a continuation of application No. 16/511,554, filed on Jul. 15, 2019, granted, now 11,353,778.
Claims priority of application No. 2018-135123 (JP), filed on Jul. 18, 2018.
Prior Publication US 2022/0260894 A1, Aug. 18, 2022
Int. Cl. G03B 17/14 (2021.01); G03B 5/02 (2021.01); G03B 5/04 (2021.01); G03B 13/32 (2021.01)
CPC G03B 17/14 (2013.01) [G03B 5/02 (2013.01); G03B 5/04 (2013.01); G03B 13/32 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An accessory that is mountable at a camera body and is capable of communicating with the camera body, the accessory comprising:
a first communicator that receives a first clock signal output from the camera body to communicate with the camera body in synchronization with the first clock signal; and
a second communicator that transmits a second clock signal to the camera body to communicate with the camera body in synchronization with the second clock signal,
wherein, when the first communicator receives a first value specifying a first communication specification of the second communicator from the camera body, the second communicator starts communication with the camera body.