US 11,886,099 B2
Electronic apparatus and accessory
Hiromichi Sakamoto, Tokyo (JP); Kei Tohyama, Kanagawa (JP); Takayuki Shu, Kanagawa (JP); Hiromi Hayasaki, Kanagawa (JP); Kouji Ikeda, Tokyo (JP); Yuhei Hattori, Tokyo (JP); Kenji Ishii, Kanagawa (JP); and Yoshinobu Okano, Saitama (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Nov. 23, 2021, as Appl. No. 17/533,904.
Application 17/533,904 is a continuation of application No. PCT/JP2021/014288, filed on Apr. 2, 2021.
Claims priority of application No. 2020-070625 (JP), filed on Apr. 9, 2020; application No. 2020-070626 (JP), filed on Apr. 9, 2020; application No. 2020-070627 (JP), filed on Apr. 9, 2020; and application No. 2021-060601 (JP), filed on Mar. 31, 2021.
Prior Publication US 2022/0082905 A1, Mar. 17, 2022
Int. Cl. G03B 17/14 (2021.01); G03B 15/05 (2021.01); G03B 17/56 (2021.01)
CPC G03B 17/14 (2013.01) [G03B 15/05 (2013.01); G03B 17/565 (2013.01)] 28 Claims
OG exemplary drawing
 
1. An electronic apparatus to which an accessory is detachably attached, the electronic apparatus comprising a plurality of contacts electrically connectable to the accessory and arranged in a first direction orthogonal to a direction in which the accessory is attached,
wherein the plurality of contacts include an attachment detection contact used to detect an attachment of the accessory to the electronic apparatus, and a communication request contact used for a communication request from the accessory to the electronic apparatus,
wherein the attachment detection contact and the communication request contact are disposed between a contact closest one end and a contact closest to another end in the first direction,
wherein the attachment detection contact is disposed between the communication request contact and the contact closest to the one end,
wherein in the first direction, a distance between the attachment detection contact and the communication request contact is shorter than a distance between the communication request contact and the contact closest to the other end, and
wherein in the first direction, the distance between the communication request contact and the contact closest to the one end is equal to or shorter than the distance between the communication request contact and the contact closest to the other end.