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SE9302981L - Device in systems comprising mobile devices - Google Patents

  • ️Wed Mar 15 1995

SE9302981L - Device in systems comprising mobile devices - Google Patents

Device in systems comprising mobile devices

Info

Publication number
SE9302981L
SE9302981L SE9302981A SE9302981A SE9302981L SE 9302981 L SE9302981 L SE 9302981L SE 9302981 A SE9302981 A SE 9302981A SE 9302981 A SE9302981 A SE 9302981A SE 9302981 L SE9302981 L SE 9302981L Authority
SE
Sweden
Prior art keywords
mobile
systems
beacon
mobile devices
position information
Prior art date
1993-09-14
Application number
SE9302981A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9302981D0 (en
Inventor
Eric Wichtel
Torbjoern Andersson
Original Assignee
Telia Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1993-09-14
Filing date
1993-09-14
Publication date
1995-03-15
1993-09-14 Application filed by Telia Ab filed Critical Telia Ab
1993-09-14 Priority to SE9302981A priority Critical patent/SE9302981L/en
1993-09-14 Publication of SE9302981D0 publication Critical patent/SE9302981D0/en
1994-08-29 Priority to DE1994622112 priority patent/DE69422112T2/en
1994-08-29 Priority to EP19940850143 priority patent/EP0644519B1/en
1995-03-15 Publication of SE9302981L publication Critical patent/SE9302981L/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

A system comprises mobile units and virtual beacons/radio beacons (VB). An arrangement determines whether a mobile unit passes an affected beacon. A unit (BLT) extracts a first position information produced by the system for the current virtual beacon. Elements are arranged to determine if the said passage exists or not in dependence on a comparison function with the second position information relating to the position of the mobile and extracted from an external position determining system (EPD). <IMAGE>

SE9302981A 1993-09-14 1993-09-14 Device in systems comprising mobile devices SE9302981L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9302981A SE9302981L (en) 1993-09-14 1993-09-14 Device in systems comprising mobile devices
DE1994622112 DE69422112T2 (en) 1993-09-14 1994-08-29 Arrangement in a system with mobile units
EP19940850143 EP0644519B1 (en) 1993-09-14 1994-08-29 Arrangement in a system including mobile units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9302981A SE9302981L (en) 1993-09-14 1993-09-14 Device in systems comprising mobile devices

Publications (2)

Publication Number Publication Date
SE9302981D0 SE9302981D0 (en) 1993-09-14
SE9302981L true SE9302981L (en) 1995-03-15

Family

ID=20391083

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9302981A SE9302981L (en) 1993-09-14 1993-09-14 Device in systems comprising mobile devices

Country Status (3)

Country Link
EP (1) EP0644519B1 (en)
DE (1) DE69422112T2 (en)
SE (1) SE9302981L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19732371A1 (en) * 1997-06-06 1998-12-10 Volkswagen Ag Method of controlling road vehicles using route planner
CN102057294B (en) * 2008-06-06 2014-03-26 上海贝尔股份有限公司 Device and method for indoor wireless positioning in a distributed antenna system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1277400C (en) * 1986-04-09 1990-12-04 Uri Rapoport Anti-theft and locating system
US5155689A (en) * 1991-01-17 1992-10-13 By-Word Technologies, Inc. Vehicle locating and communicating method and apparatus
US5173710A (en) * 1991-08-15 1992-12-22 Terrapin Corporation Navigation and positioning system and method using uncoordinated beacon signals

Also Published As

Publication number Publication date
DE69422112T2 (en) 2000-05-31
SE9302981D0 (en) 1993-09-14
EP0644519B1 (en) 1999-12-15
DE69422112D1 (en) 2000-01-20
EP0644519A3 (en) 1996-06-26
EP0644519A2 (en) 1995-03-22

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Legal Events

Date Code Title Description
2001-07-02 NAV Patent application has lapsed

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