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. 17, 2018
Filed:
Apr. 07, 2016
T-mobile Usa, Inc., Bellevue, WA (US);
Daniel Frank Artuso, Concord, CA (US);
T-Mobile USA, Inc., Bellevue, WA (US);
Abstract
A mobile phone or other mobile device is configured to compute a location code based on Wi-Fi or other wireless networking configuration parameters. The location code is computed as a cryptographic hash of the configuration parameters and is provided to a telecommunications system that supports Wi-Fi or other WLAN voice services. The telecommunications system maintains one or more location tables, each of which indicates multiple location codes and corresponding street addresses. When processing an emergency 9-1-1 call to an emergency response service, the system looks up the street address of the calling mobile device based on the most recently provided location code, and provides the street address to the emergency response service.