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.

Date of Patent:
May. 19, 2009

Filed:

Feb. 19, 2003
Applicant:

Masaki Shitano, Kanagawa, JP;

Inventor:

Masaki Shitano, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

An access control unit or network device generates an access key, and the access control unit records the address of the network device. The access key is output from the network device and input to a mobile telephone. In accordance with the access key received from the mobile telephone, the access control unit obtains the previously recorded address of the network device.


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