US Patent Issued to RICOH on May 19 for "Control system, optical deflection apparatus, image projection apparatus, mobile object, and head-mounted display" (Japanese Inventor)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,871, issued on May 19, was assigned to RICOH COMPANY LTD. (Tokyo).

"Control system, optical deflection apparatus, image projection apparatus, mobile object, and head-mounted display" was invented by Akitoshi Mochida (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control system includes a movable device, memory, and circuitry. The movable device includes a reflector; paired movable portion; and a detector to detect deflection angle of the reflector. The circuitry outputs drive signals to the paired movable portions, respectively; generates the drive signals based on variables of a symmetry of each of the drive signals and a phase diffe...