US Patent Issued to Alpha Theta on July 7 for "Rotary operator, operation device, and acoustic control device" (Japanese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,675,178, issued on July 7, was assigned to Alpha Theta Corp. (Yokohama, Japan).

"Rotary operator, operation device, and acoustic control device" was invented by Takanori Hashimoto (Yokohama, Japan), Kenji Muratani (Yokohama, Japan) and Taito Fujioka (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary operator includes: a first rotating body rotatable around an imaginary rotation axis; a second rotating body being detachably attached, and being configured to rotate integrally with the first rotating body and also being rotatable around the rotation axis independently of the first rotating body; and a friction adjusting member being co...