US Patent Issued to NIKON on Aug. 12 for "Encoder device, drive device, stage device, and robot device" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,020, issued on Aug. 12, was assigned to NIKON Corp. (Tokyo).

"Encoder device, drive device, stage device, and robot device" was invented by Akihiro Watanabe (Sendai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoder device including a position detection unit for detecting position information of a moving part; a magnet having a plurality of polarities along a moving direction of the moving part; and an electric signal generation unit for generating an electric signal, based on a magnetic characteristic of a magnetosensitive part, the electric signal generation unit having the magnetosensitive part whose magnetic characteristic is chang...