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:
Jun. 15, 2010
Filed:
Jul. 12, 2005
Ryota Nonaka, Ohnojoh, JP;
Koji Abe, Kasuga, JP;
Shinya Isumi, Kasuga, JP;
Toru Imamura, Fukuoka, JP;
Ryota Nonaka, Ohnojoh, JP;
Koji Abe, Kasuga, JP;
Shinya Isumi, Kasuga, JP;
Toru Imamura, Fukuoka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A computer systemhas a PBX, a terminal device, and a management server. The PBXhas a line controller, an extension controller, an interface, a memory that stores identification information and an enciphered file, a decoder that decodes the enciphered file, a comparator that compares the identification information and the enciphered file decoded by the decoder, and a controller. The terminal devicereads the identification information from the PBXand transmits that to the management server. The management serverhas an authenticator that receives a request for authentication when the terminal devicelogs in, an issuer that issues the enciphered file according to the identification information, and a database that stores the issue date in correlating with the identification information.