US 12,066,684 B2
Accessory
Takayuki Funaoka, Kawasaki (JP); Kiyoshi Yasuda, Nishitokyo (JP); and Hideaki Sugiyama, Yokohama (JP)
Assigned to NIKON CORPORATION, Tokyo (JP)
Filed by NIKON CORPORATION, Tokyo (JP)
Filed on Jan. 27, 2023, as Appl. No. 18/102,120.
Application 17/711,324 is a division of application No. 16/170,084, filed on Oct. 25, 2018, granted, now 11,415,770, issued on Aug. 16, 2022.
Application 18/102,120 is a continuation of application No. 17/711,324, filed on Apr. 1, 2022, granted, now 11,592,641.
Claims priority of application No. 2017-207118 (JP), filed on Oct. 26, 2017.
Prior Publication US 2023/0168461 A1, Jun. 1, 2023
Int. Cl. G02B 7/02 (2021.01); G03B 17/14 (2021.01); G03B 17/56 (2021.01); H04N 5/04 (2006.01)
CPC G02B 7/022 (2013.01) [G03B 17/14 (2013.01); G03B 17/565 (2013.01); G03B 2206/00 (2013.01); H04N 5/04 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An interchangeable lens removably attachable to a camera body, the interchangeable lens comprising:
a first clock receiver that receives a first clock signal from the camera body;
a second clock transmitter that transmits a second clock signal to the camera body;
a lens that is driven by a driving force from a first drive member;
a receiver that receives an instruction signal from the camera body in synchronization with the first clock signal; and
a first transmitter that repeatedly transmits positional information on the lens to the camera body in synchronization with the second clock signal.