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:
Apr. 17, 2018
Filed:
Feb. 25, 2013
Nec Corporation, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
Provided is a technology which is able to detect an object with high accuracy. A signal processing apparatusincludes a generating unitand a detecting unit. The generating unitincludes a function of generating, as a transmitting signal, a modulation wave whose frequency changes non-repetitively. The detecting unitincludes a function of fetching the transmitting signal and a receiving signal which is received by a receiving means that can receive a reflection signal generated when the transmitting signal is reflected by an object. The detecting unitincludes a function of detecting at least one of presence of the object, distance to the object, and moving speed of the object, based on correlation between the receiving signal and the transmitting signal.