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:
Apr. 29, 2008
Filed:
Nov. 17, 1998
Eric Valentine, Plano, TX (US);
Lee Davidson, McKinney, TX (US);
Eric Valentine, Plano, TX (US);
Lee Davidson, McKinney, TX (US);
Ericsson Inc., Plano, TX (US);
Abstract
A system () and method for routing an emergency request message from an Internet user () to an emergency-call-answering center () consisting of Public Service Access Points (PSAPs). An emergency request message is transmitted to an IP network () which is received by an emergency call handling function (). The emergency call handling function () queries a database () and returns the physical location information associated with the IP address of the user (). The call is formatted into a format compatible with the emergency call answering center () and transmitted via the PSTN () to the PSAP () serving the correct emergency service zone for the user ().