US Patent Issued to TOKKYOKIKI on April 15 for "Servo-type vibration detector and vibration control device" (Japanese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,674, issued on April 15, was assigned to TOKKYOKIKI Corp. (Amagasaki, Japan).

"Servo-type vibration detector and vibration control device" was invented by Teruo Maruyama (Hirakata, Japan), Kozo Okamoto (Kawanishi, Japan), Michihiko Tani (Amagasaki, Japan) and Takumi Okada (Ikoma, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A movable member coupled to a displacement detector via a void is disposed with respect to a fixed member to which a coil is fixed. By disposing the coil in a closed loop magnetic circuit including a permanent magnet, the movable-side member, and the fixed member, a Lorentz force for moving the movable-side member in the a...