US 12,085,837 B2
Adaptor device, imaging apparatus, and method for controlling same
Toru Kohno, Kanagawa (JP); and Takayuki Shu, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jul. 14, 2022, as Appl. No. 17/865,269.
Claims priority of application No. 2021-120276 (JP), filed on Jul. 21, 2021; and application No. 2021-181189 (JP), filed on Nov. 5, 2021.
Prior Publication US 2023/0021523 A1, Jan. 26, 2023
Int. Cl. G03B 17/56 (2021.01); F21K 5/16 (2006.01); G03B 15/05 (2021.01)
CPC G03B 15/0473 (2013.01) [G03B 15/05 (2013.01); G03B 17/566 (2013.01); G03B 2215/056 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An adaptor device to be attached between an imaging apparatus and an accessory device, the adaptor device comprising:
one or more circuits configured to function as:
a control unit configured to control communication with the imaging apparatus via a first contact, a second contact, and a third contact, and communication with the accessory device via a fourth contact and a fifth contact,
wherein the control unit has a first communication mode in which transmission of data via the fourth contact based on reception of data from the first contact or transmission of data via the second contact based on reception of data via the fifth contact is controlled, and a second communication mode which is different from the first communication mode, and is configured to receive, in the second communication mode, a second command and data via the first contact and then transmit the data via the fourth contact, and
wherein the control unit is configured to communicate in the first communication mode, based on connection detection communication with the accessory device in the second communication mode and a first command corresponding to an instruction to enter the first communication mode.