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:
Dec. 22, 2009
Filed:
Mar. 18, 2004
Applicant:
Masao Shimada, Tokyo, JP;
Inventor:
Masao Shimada, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Search IP addresses are detected from among a preset number of selected IP addresses available on the network, and DNS query message and ICMP echo request message are transmitted at a time to the detected search IP addresses. DNS server and router IP addresses are detected from response messages in response to the DNS query message and the ICMP echo request message.