(12) United States Patent
(io) Patent No.: (45) Date of Patent:
US 7,233,795 Bl Jun. 19, 2007
(54) LOCATION BASED COMMUNICATIONS SYSTEM
(76) Inventor: Michael V. Ryden, 62290 Jay Jay Rd., Montrose, CO (US) 81401
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 138 days.
(21) Appl. No.: 10/101,841
(22) Filed: Mar. 19, 2002
Related U.S. Application Data
(60) Provisional application No. 60/277,117, filed on Mar. 19, 2001.
(51) Int. CI.
H04Q 7/20 (2006.01)
(52) U.S. CI 455/445
(58) Field of Classification Search 455/445
See application file for complete search history.
(56) References Cited
U.S. PATENT DOCUMENTS
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5,890,092 A 3/1999 Kato et al 701/216
5,946,618 A 8/1999 Agre et al 455/428
5,995,041 A 11/1999 Bradley et al 342/357
6,002,363 A 12/1999 Krasner 342/357.1
6,028,514 A 2/2000 Lemelson et al 340/539
6,041,222 A 3/2000 Horton et al 455/255
6,044,257 A 3/2000 Boling et al 455/404
6,061,561 A 5/2000 Alanara et al 455/422
6,064,336 A 5/2000 Krasner 342/357.05
6,067,082 A 5/2000 Enmei 345/174
Primary Examiner—William D. Cumming
(74) Attorney, Agent, or Firm—Allen H. Erickson
A location based communications system uses a physical location system (PLS) or relative position system to determine a communication unit's location in two or three dimensions, and is configured for radiotelephonic calls through intermediary communications satellite systems, cellular systems or other mobile systems and land line systems, based on the location G# of the called telephone or on a caller-defined estimated area or space termed a G zone number GZ# surrounding the desired callee. The system is particularly advantageous for mobile communications, and may be interfaced with conventional stationary telephones, cellular phones and other communications devices. Multiple telephone units may be simultaneously contacted with messages in user-defined languages. Emergency features enable the location based communication system to locate and notify the nearest and/or best equipped party for assistance in the event of an emergency, issue warnings to all phones in a specific area of any size, calculate vehicle velocities and control traffic.
31 Claims, 13 Drawing Sheets