ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,261, issued on Aug. 26, was assigned to Melexis Technologies NV (Tessenderlo, Belgium).
"Method of optical detection and optical detection apparatus" was invented by Hans Van Den Broeck (Tessenderlo, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method of optical detection, a carrier signal of a carrier signal period and a code sequence over an exposure time period are generated. Each code (406) of the sequence comprises a plurality of symbols (408, 410, 412, 414, 416) with a timing delay (418, 420, 422, 424) in between. The carrier signal is phase shifted in response to the code sequence (406) depending upon a value of a symbol (408, ...