US Patent Issued to Canon on April 15 for "Accessory, image pickup apparatus on which same is mountable, and camera system" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,900, issued on April 15, was assigned to Canon K.K. (Tokyo).

"Accessory, image pickup apparatus on which same is mountable, and camera system" was invented by Kunihiko Sasaki (Tochigi, Japan), Masahisa Tamura (Tochigi, Japan), Toshinori Yamazaki (Tokyo) and Masayasu Shigematsu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An interchangeable lens assembly includes a plurality of lens-side claw portions configured to be engaged with a plurality of camera-side claw portions, and a lock pin groove portion into which a lock pin is inserted, a lens barrel, and a lens mount fixing member. When Theta1 is an angle formed by a line passing through a fi...