ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,941, issued on Oct. 7, was assigned to Alpha Theta Corp. (Yokohama shi, Japan).
"Rotary operator and audio device" was invented by Kenji Sasaki (Yokohama, Japan) and Nao Takagi (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary operator includes: a rotator including a movement path provided for an outer circumferential surface and inclined to a circumferential direction about a rotation axis, the rotator rotating about the axis; and a contact piece coming into contact with the rotator, and moving along the path in a direction along the axis in association with rotation of the rotator. Rotation of the rotator in a first rotation ...