US Patent Issued to DENSO International America, DENSO on Nov. 3 for "Up-sampling and cross-correlation for time of arrival determinations in passive entry/passive start systems" (Michigan Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,545, issued on Nov. 3, was assigned to DENSO International America Inc. (Southfield, Mich.) and DENSO Corp. (Kariya-city, Japan).

"Up-sampling and cross-correlation for time of arrival determinations in passive entry/passive start systems" was invented by Raymond Michael Stitt (Ada, Mich.) and John Videtich (Zeeland, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle access system includes a first network device that transmits a first tone signal to a second network device and receives a second tone signal from the second network device. The first or second network device is a portable access device. The system includes a control module t...