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:
Oct. 24, 2017
Filed:
Jul. 07, 2014
Nec Corporation, Tokyo, JP;
Keishi Ohashi, Tokyo, JP;
Wataru Hattori, Tokyo, JP;
Naoki Kobayashi, Tokyo, JP;
Hiroshi Fukuda, Tokyo, JP;
Yusuke Takahashi, Tokyo, JP;
Yusuke Konishi, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
An object detection system includes a reader waveguide () formed as an open transmission line, an RFID tag () placed above the reader waveguide (), a signal strength acquisition unit () that acquires signal strength of a read signal read from the RFID tag () by electromagnetic coupling through the reader waveguide (), and an object detection unit () that detects physical characteristics of an object () corresponding to the acquired signal strength based on a relationship between a plurality of (three or more values of) signal strength of the read signal and physical characteristics of the object to be detected.