US Patent No. 10,992,846

COMMUNICATION BETWEEN IMAGING APPARATUS, LENS APPARATUS, AND INTERMEDIATE ACCESSORY


Patent No. 10,992,846
Issue Date April 27, 2021
Title Communication Between Imaging Apparatus, Lens Apparatus, And Intermediate Accessory
Inventorship Fuya Mizuochi, Saitama (JP)
Toru Ohara, Utsunomiya (JP)
Yasuyuki Watazawa, Tokyo (JP)
Naoto Fujihashi, Tokyo (JP)
Assignee Canon Kabushiki Kaisha, Tokyo (JP)

Claim of US Patent No. 10,992,846

1. An imaging apparatus to which a lens apparatus is detachably mountable, the imaging apparatus comprising:a mount unit; and
a contact holding member provided to the mount unit where a plurality of electric contacts are arrayed,
wherein the plurality of electric contacts include:
a first power contact configured to supply first power,
a second power contact configured to supply second power,
a first electric contact group configured to be used to perform first communication, and
a second electric contact group configured to be used to perform communication that is different from the first communication,
wherein the contact holding member has two tiers each of which holds electric contacts included in the plurality of electric contacts,
wherein the first electric contact group and the second electric contact group are held on one of the two tiers and the first power contact and the second power contact are held on the other of the two tiers, and
wherein, where a direction of rotation of the lens apparatus with respect to the imaging apparatus when mounting the lens apparatus to the imaging apparatus directly is a first direction, the second electric contact group, the first electric contact group, the first power contact and the second power contact are arrayed in the order of the second electric contact group, the first electric contact group, the second power contact and the first power contact in the first direction.