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:
Jul. 22, 2003
Filed:
Sep. 18, 2000
Applicant:
Inventors:
Keisuke Igarashi, Tokyo, JP;
Kazuo Akaike, Tokyo, JP;
Yuzo Miura, Yamanashi, JP;
Hideki Aridome, Tokyo, JP;
Yukio Otani, Yamanashi, JP;
Toshio Ogawa, Kanagawa, JP;
Assignee:
Hitachi Kokusai Electric Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 5/00 ;
U.S. Cl.
CPC ...
G06K 5/00 ;
Abstract
An article management system generally includes an exit monitoring device, a storage shelf unit and a non-contact id tag. Each of these components are optionally equipped with a detection enhancing device for enhancing the transmission and or reception of signals between the non-contact id tag and the exit monitoring device or between the non-contact id tag and the storage shelf unit. The detection enhancing device includes a loop conductive line or an additional loop antenna.