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:
Jan. 10, 2012
Filed:
Aug. 27, 2007
Kouichi Takene, Tokyo, JP;
Kimito Idemori, Saitama, JP;
Koichi Ikeda, Kanagawa, JP;
Yoshiro Seki, Tokyo, JP;
Fuminori Kishino, Tokyo, JP;
Keiji Yamamoto, Tokyo, JP;
Akira Sawada, Tokyo, JP;
Kouichi Takene, Tokyo, JP;
Kimito Idemori, Saitama, JP;
Koichi Ikeda, Kanagawa, JP;
Yoshiro Seki, Tokyo, JP;
Fuminori Kishino, Tokyo, JP;
Keiji Yamamoto, Tokyo, JP;
Akira Sawada, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
To provide an entry control system as well as an entry control method allowing for an easy entry of user, permitting a restriction to persons who have a legitimate right to enter a facility, an illuminating device () emits a modulated visible light signalmodulated by use of a door ID code into a preset illumination range, the modulated visible light signalfrom the illuminating device () is received by a mobile terminal () portable by the user, where it is demodulated for wireless signal transmission, and the door ID code transmitted from the mobile terminal () is received by an authentication device (), which judges whether or not the door ID code is legitimate, and generates an unlock command when the door ID code is judged to be legitimate, and a door () for a facility controlled of entry receives the unlock command from the authentication device (), whereby it is unlocked.