US Patent Issued to TOSHIBA TEC on Nov. 3 for "Image forming apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,716, issued on Nov. 3, was assigned to TOSHIBA TEC K.K. (Tokyo).

"Image forming apparatus" was invented by Takahiro Kojima (Mishima Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a polygon mirror configured to deflect a laser beam toward a photoconductor and a polygon mirror motor configured to rotate the polygon mirror. A controller acquires a measurement of a spin up time taken for a rotation speed of the polygon mirror motor to reach a target rotation speed range. The controller determines whether the spin up time is between (a) a first threshold time predefined based on a period of time required...