The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 01, 2022
Filed:
Mar. 01, 2018
Nec Corporation, Tokyo, JP;
Shingo Yamanouchi, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
An object detection apparatusincludes: an emitting unitfor emitting an RF transmission signal; a receiving unitfor receiving, if the RF transmission signal is reflected off an object, the reflected RF transmission signal as an RF reception signal; an IF signal generating unitfor generating, in every period, a complex IF signal based on a signal obtained by mixing the RF transmission signal with the RF reception signal; a position detecting unitfor detecting the position of the object based on an evaluation function generated based on the complex IF signal generated in every period; and a displacement detecting unitfor detecting a displacement of the object based on the position of the object and the phase of complex reflectance of the object calculated based on the complex IF signal.