US 12,313,956 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 Oct. 6, 2022, as Appl. No. 17/961,110.
Application 17/961,110 is a continuation of application No. PCT/JP2021/014258, 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. 2021-059352 (JP), filed on Mar. 31, 2021.
Prior Publication US 2023/0029937 A1, Feb. 2, 2023
Int. Cl. G03B 15/05 (2021.01); H01R 13/66 (2006.01)
CPC G03B 15/05 (2013.01) [H01R 13/6683 (2013.01); G03B 2215/056 (2013.01)] 23 Claims
OG exemplary drawing
 
1. An electronic apparatus comprising an accessory shoe via which an accessory is to be detachably attached to the electronic apparatus, the accessory shoe comprising a plurality of contacts electrically connectable to the accessory and arranged in a row,
wherein the plurality of contacts include:
an attachment detection contact that is used to detect an attachment of the accessory to the electronic apparatus;
a power supply contact that is used to supply power from the electronic apparatus to the accessory;
a first reference potential contact that is connected to a reference potential; and
a first communication contact that is used for communication between the electronic apparatus and the accessory,
wherein a potential of the attachment detection contact becomes the reference potential in a case where the accessory is attached to the electronic apparatus,
wherein the attachment detection contact is disposed on one of both sides of the power supply contact, and the first reference potential contact is disposed on another side,
wherein the first reference potential contact is disposed outside the power supply contact in an arrangement direction of the plurality of contacts, and
wherein the first communication contact is disposed opposite to the power supply contact with respect to the attachment detection contact.