US Patent Issued to ALPS ALPINE on June 9 for "Rotation detection device and stylus pen" (Japanese Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,651,715, issued on June 9, was assigned to ALPS ALPINE Co. LTD. (Tokyo).

"Rotation detection device and stylus pen" was invented by Hiroshi Ohara (Miyagi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotation detection device includes an operation member having an annular shape and configured to be rotatable about a rotation center axis; a base member disposed within the operation member; a switch configured to be pressed as the operation member rotates and disposed on the base member such that a rotation direction of the operation member coincides with a pressing direction; and a returning mechanism configured to return the operation member to...