IP Library Granted Patent US 7,945,026
Granted Patent B2
US 7,945,026 · App. 11/442,254 · Granted May 17, 2011

Voice over internet protocol (VoIP) E911 metro street address guide (MSAG) validation

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Quick Facts
Patent No.
US 7,945,026
App. No.
11/442,254
Granted
May 17, 2011
Kind
B2
Abstract

An overlay list of MSAG-valid addresses is created for use in lieu of (or in addition to) the lat/lon or postal address which otherwise would go with an E911 VoIP 911 call. This overlays the nation with a series of MSAG-addressed polygons, with center points identified in those polygons, and MSAG-valid addresses provided to the PSAPs for those centers, preferably along with the original latitude/longitude coordinates.

Claims (39)

1. A metro street address guide (MSAG) validation database, comprising:

a plurality of validated street addresses;

wherein a single validated street address from each of said plurality of validated street addresses is correlated with a unique polygon area defined by latitude/longitude coordinates.

2. The metro street address guide (MSAG) validation database according to claim 1 , wherein:

at least some, but not all, of said plurality of validated street addresses are defined by a street address of a corresponding cell tower.

3. A method of generating entries in an MSAG validation database, comprising:

defining, in an MSAG validation database, a plurality of newly defined MSAG-addressed polygons having a greater density than a plurality of existing MSAG-addressed polygons; and

replacing, in said MSAG validation database, said plurality of existing MSAG-addressed polygons with said plurality of newly defined MSAG-addressed polygons.

4. The method of generating entries in an MSAG validation database according to claim 3 , wherein:

each of said plurality of newly defined MSAG-addressed polygons is defined by a single street address.

5. The method of generating entries in an MSAG validation database according to claim 4 , wherein:

said single street address is a street address of an approximate center of each of said respective plurality of newly defined MSAG-addressed polygons.

6. The method of generating entries in an MSAG validation database according to claim 3 , wherein:

each of said plurality of existing MSAG-addressed polygons is defined by a single street address.

7. The method of generating entries in an MSAG validation database according to claim 6 , wherein:

said single street address is a street address of an approximate center of each of said respective plurality of existing MSAG-addressed polygons.

8. The method of generating entries in an MSAG validation database according to claim 3 , wherein:

each of said plurality of newly defined MSAG-addressed polygons are defined by a plurality of latitude/longitude coordinates.

9. The method of generating entries in an MSAG validation database according to claim 3 , wherein:

each of said plurality of existing MSAG-addressed polygons are defined by a plurality of latitude/longitude coordinates.

10. The method of generating entries in an MSAG validation database according to claim 3 , wherein:

said number of newly defined MSAG-addressed polygons is greater than said number of existing MSAG-addressed polygons.

11. Apparatus for generating entries in an MSAG validation database, comprising:

means for defining, in an MSAG validation database, a plurality of newly defined MSAG-addressed polygons having a greater density than a plurality of existing MSAG-addressed polygons; and

means for replacing, in said MSAG validation database, said plurality of existing MSAG-addressed polygons with said plurality of newly defined MSAG-addressed polygons.

12. The apparatus for generating entries in an MSAG validation database according to claim 11 , wherein:

each of said plurality of newly defined MSAG-addressed polygons is defined by a single street address.

13. The apparatus for generating entries in an MSAG validation database according to claim 12 , wherein:

said single street address is a street address of an approximate center of each of said respective plurality of newly defined MSAG-addressed polygons.

14. The apparatus for generating entries in an MSAG validation database according to claim 11 , wherein:

each of said plurality of existing MSAG-addressed polygons is defined by a single street address.

15. The apparatus for generating entries in an MSAG validation database according to claim 14 , wherein:

said single street address is a street address of an approximate center of each of said respective plurality of existing MSAG-addressed polygons.

16. The apparatus for generating entries in an MSAG validation database according to claim 11 , wherein:

each of said plurality of newly defined MSAG-addressed polygons are defined by a plurality of latitude/longitude coordinates.

17. The apparatus for generating entries in an MSAG validation database according to claim 11 , wherein:

each of said plurality of existing MSAG-addressed polygons are defined by a plurality of latitude/longitude coordinates.

18. The apparatus for generating entries in an MSAG validation database according to claim 11 , wherein:

said number of newly defined MSAG-addressed polygons is greater than said number of existing MSAG-addressed polygons.

Assignments (4)
SECURITY AGREEMENT Recorded Mar 3, 2016
From: COMTECH EF DATA CORP.; COMTECH XICOM TECHNOLOGY, INC.; COMTECH MOBILE DATACOM CORPORATION; TELECOMMUNICATION SYSTEMS, INC.
To: CITIBANK N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 037993/0001 →
RELEASE OF SECURITY INTEREST Recorded Mar 3, 2016
From: SILICON VALLEY BANK
To: TELECOMMUNICATION SYSTEMS, INC.; LONGHORN ACQUISITION, LLC; SOLVEM INNOVATIONS, INC.; QUASAR ACQUISITION, LLC; NETWORKS IN MOTION, INC.
Reel/Frame 037994/0113 →
SECURITY AGREEMENT Recorded Jan 29, 2010
From: TELECOMMUNICATION SYSTEMS, INC.; LONGHORN ACQUISITION, LLC; SOLVERN INNOVATIONS, INC.; QUASAR ACQUISITION, LLC; NETWORKS IN MOTION, INC.
To: SILICON VALLEY BANK, AGENT
Reel/Frame 023870/0484 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 30, 2006
From: LORELLO, TIMOTHY J.
To: TELECOMMUNICATION SYSTEMS, INC.
Reel/Frame 017944/0008 →