US Patent Issued to Primax Electronics on Oct. 28 for "Roller module" (Taiwanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,638, issued on Oct. 28, was assigned to Primax Electronics Ltd. (Taipei, Taiwan).

"Roller module" was invented by Tsung-Wen Hsueh (Taipei, Taiwan), Chun-Che Wu (Taipei, Taiwan), Chien-Pang Chien (Taipei, Taiwan), Sheng-An Tsai (Taipei, Taiwan), Kai-Wen Lee (Taipei, Taiwan), Li-Kuei Cheng (Taipei, Taiwan) and Heng-Tseng Liao (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roller module includes a wheel disc, a magnetic conductor and an electro-permanent magnet assembly. The wheel disc is rotatable along a rotation axis line. The magnetic conductor is coaxially arranged and synchronously rotated with the wheel disc. The magnetic condu...