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. 27, 2012
Filed:
Aug. 30, 2006
Yoshishige Yoshikawa, Shiga, JP;
Yoshio Horiike, Osaka, JP;
Yoshishige Yoshikawa, Shiga, JP;
Yoshio Horiike, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
In a wireless device monitoring system including a mobile telephone and an authentication apparatus, a controller of the authentication apparatus repeatedly executes a distance detection processing based on a received level of a received wireless signal and an authentication processing based on authentication data included in the received wireless signal continuously at a first communication interval Tand a second communication interval T, respectively, and outputs an alarm signal or executes a predetermined control processing when a true counterpart electronic apparatus is not present or when the true counterpart electronic apparatus is apart from the electronic apparatus by a distance longer than the predetermined threshold distance. When a first communication time Tfor the distance detection processing is shorter than a second communication time Tfor the authentication processing, the Tand the Tare set to satisfy T<T