US Patent Issued to CANON on March 17 for "Electronic apparatus and its control method, and accessory and its control method" (Japanese Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,630, issued on March 17, was assigned to CANON K.K. (Tokyo).

"Electronic apparatus and its control method, and accessory and its control method" was invented by Junji Takai (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An accessory is attachable to, detachable from, and communicable with an electronic apparatus. The accessory includes an accessory processing unit configured to make a communication request to the electronic apparatus and to transmit information about a factor of the communication request. The accessory processing unit notifies the electronic apparatus by a first communication method of information corresponding to ...