ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,200, issued on Nov. 4, was assigned to MAGNA ELECTRONICS SWEDEN AB (Vargarda, Sweden).
"Detection of blocked radar sensor" was invented by Sebastian Marsch (Niederwerrn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting blockage of a radar sensor (105) by processing a radar signal (115, 116, 117) received by the radar sensor (105). The method includes obtaining (S1) the radar signal (115, 116, 117), determining (S2) a range-Doppler representation (300) of the radar signal such that received radar signal energy (311) is represented as a function of distance (d0-d13) and relative velocity (v0-v7), determining (S4) predetermi...