EP0506353A1 - Meldeanlage - Google Patents

Meldeanlage Download PDF

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Publication number
EP0506353A1
EP0506353A1 EP92302551A EP92302551A EP0506353A1 EP 0506353 A1 EP0506353 A1 EP 0506353A1 EP 92302551 A EP92302551 A EP 92302551A EP 92302551 A EP92302551 A EP 92302551A EP 0506353 A1 EP0506353 A1 EP 0506353A1
Authority
EP
European Patent Office
Prior art keywords
alarm
signal
unit
alarm system
receiving
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP92302551A
Other languages
English (en)
French (fr)
Inventor
David c/o Cookson IST Labs Ltd. Huddart
Michael Stanley Wappett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tunstall Telecom Ltd
Original Assignee
Tunstall Telecom Ltd
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.)
Filing date
Publication date
Application filed by Tunstall Telecom Ltd filed Critical Tunstall Telecom Ltd
Publication of EP0506353A1 publication Critical patent/EP0506353A1/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/009—Signalling of the alarm condition to a substation whose identity is signalled to a central station, e.g. relaying alarm signals in order to extend communication range
    • 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

Definitions

  • This invention relates to an alarm system, and particularly to an alarm system for use in vehicles and on highways.
  • the present invention provides an alarm system which includes a plurality of alarm units and a plurality of receiving units, which receive signals from the units and transmit signals in response to the alarm signals to a control centre.
  • the invention provides an alarm system which comprises:
  • roadside receiving units will be installed at appropriate intervals along a highway, and a driver using the system will have his own alarm unit. If the vehicle breaks down and assistance is required, the alarm unit will be directed generally forwardly of the vehicle and will be operated to generate and transmit the alarm signal. The signal will be received by all receiving units that are within range. That unit will be effective to retransmit the received signal or signal derived therefrom to a control centre. Staff at the control centre can then summon emergency assistance, and can direct that assistance to the appropriate location. The emergency assistance has thus been summoned without the driver leaving the vehicle.
  • each alarm signal is preferably analysed at the control centre, to assist in determining the location of the vehicle.
  • each receiving unit would then analyse the orientation data comprised within the signal. A receiving unit would then only respond if the orientation data lay within a set of parameters that were predetermined for that receiving unit, those parameters being such that a response will only be generated at receiving units that are on the same highway as the vehicle and for dual carriageways, on the same carriageway. Only on a proper response by a receiving unit would that unit retransmit to the control centre.
  • the orientation is the bearing of the alarm unit, and the orientation data is derived from a flux gate transducer incorporated in the alarm unit.
  • the alarm signal is preferably a radio signal, and each alarm unit may incorporate a non-directional aerial for transmitting the alarm signal, each receiving unit incorporating an omnidirectional aerial for receiving alarm signals.
  • Radio is the preferred medium, although other carrier media could be used.
  • the omni-directional aerial may be provided in any suitable manner. If the alarm unit is intended to be carried normally on the driver's person then the aerial may conveniently be incorporated in a keyring that forms part of the alarm unit. The alarm unit may then be kept with the car keys and if emergency assistance is required the keys will be removed from the ignition, the alarm unit will be pointed in a direction that is generally in the direction of travel of the vehicle so that the correct orientation data is transmitted. Alternatively, the alarm unit may be designed to be mounted on a vehicle for operation from within the vehicle, and the non-directional aerial will be located at an appropriate part of the vehicle. The orientation of the alarm unit will then correspond to the orientation of the vehicle.
  • each alarm unit is precoded with identity data that is unique to that alarm unit, and the identity data forms part of the alarm signal.
  • identity data that is unique to that alarm unit
  • the identity data forms part of the alarm signal.
  • Basic data will usually be the name and address of the holder of the unit or the owner of the vehicle, but it will be understood that information relating to medical requirements, disability or other information germane to an emergency response to that person may also be held.
  • the alarm unit may desirably include display means for displaying confirmation that an alarm signal has been properly transmitted.
  • the receiving units may each include visual indication means that are activated on receipt of an alarm signal. Thus, if the receiving unit is in line of sight then this will give additional reassurance.
  • the control room will have means of identifying a signal raised on the system from a normal emergency telephone call and may be equipped with means for automatically routing the alarm signals to a control centre for dealing specifically with them.
  • FIG. 1 shows part of a motorway with a conventional emergency telephone 1 located at the roadside.
  • a conventional emergency telephone 1 located at the roadside.
  • Such telephones are, in the United Kingdom, generally located at one mile intervals.
  • the emergency telephones are linked by a roadside cable 2 and by a communications cable 3 to a police control room 4 which services a group of such telephones.
  • the police control room 4 is linked via the public telephone system or by a dedicated transmission system 5 to a control centre 6 housing a number of operating staff. It will be understood that a single control centre may service any required number of police control rooms.
  • the control centre is in turn linked by way of the public telephone network or by dedicated lines to breakdown services 7. Again, as many breakdown services as necessary may be accessed from a single central station.
  • the standard emergency telephone is modified by the inclusion of an omni-directional aerial 8 for receiving radio signals and a xenon beacon 9 capable of being illuminated to give a visual signal.
  • a receiving unit 10 Within the housing of the emergency telephone is a receiving unit 10.
  • Each user of the system is provided with an alarm unit which may be mounted in a vehicle or may be portable and carried by the user.
  • an alarm unit is indicated at 11 and is provided with a keyring 12 which incorporates a non-directional radio aerial.
  • the alarm unit may be simply carried on the same ring as the user's car keys and will incorporate a push button 13 by which transmission of an emergency signal may be generated.
  • the alarm unit additionally includes a flux gate transducer providing an output that is related to the bearing of the alarm unit, and means for incorporating orientation data related to that output to a signal that is transmitted by the unit.
  • the unit is also precoded with identity data unique to that unit, and again that data is transmitted as part of an alarm signal.
  • Each receiving unit 10 includes a circuit 14 for receiving alarm signals, a memory 15 storing a unique identity code for that receiving unit, and a transmitter 16 in the receiver 10 for transmitting data onwardly from the receiver to the police control room 4, having added to the data the code unique to that particular receiver.
  • the transmitter may be a radio transmitter.
  • a signal from the transmitter can be transmitted to the control room via repeaters, for example of the type disclosed in EP-A-401974.
  • the system operates as follows. On operation of the alarm unit 11 this transmits a non-directional signal which has three signal components, a system code SC, orientation data OD and an identity code ID for the particular alarm unit. That signal is received by all receivers that are within range of the alarm unit and, for example, is received at receivers R1 and R2 in Figure 2. It is not received at receiver R3, which is out of range. When emergency telephones spaced one mile apart are used to house the receiver, then each alarm unit will need to have a range of half a mile.
  • Each receiver receiving the signal will add its own identity code and will transmit to the police control room a signal comprising a system code SC, orientation data OD, receiver identifying code RC and the identity code ID transmitted by the alarm unit.
  • Equipment at the police control room recognises the system code as meaning that the received signal is destined for the control centre, and the signal is retransmitted onto that control centre.
  • the system code element is no longer necessary and each signal reaching the control centre consists simply of the receiver code, orientation data and the identity code.
  • the signal On receipt at the control centre the signal passes to a microprocessor which reads these codes.
  • two receivers transmit a single alarm signal, recognisable by a common identity code ID.
  • the orientation data in these codes is processed and that data will define the heading of the vehicle and thus the carriageway on which the vehicle is located.
  • Details of the active receivers, together with details of the individual driver or vehicle from whom the alarm has been transmitted, can then be retrieved from memory and displayed on a VDU, together with the vehicle heading.
  • the VDU may also retrieve from memory details of the nearest appropriate breakdown service, and an operator at the control centre will make contact with that service and request them to proceed along the road on which the breakdown occurred to locate the stranded vehicle in the vicinity of receiver R1.
EP92302551A 1991-03-26 1992-03-25 Meldeanlage Withdrawn EP0506353A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919106370A GB9106370D0 (en) 1991-03-26 1991-03-26 Alarm system
GB9106370 1991-03-26

Publications (1)

Publication Number Publication Date
EP0506353A1 true EP0506353A1 (de) 1992-09-30

Family

ID=10692202

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92302551A Withdrawn EP0506353A1 (de) 1991-03-26 1992-03-25 Meldeanlage

Country Status (2)

Country Link
EP (1) EP0506353A1 (de)
GB (1) GB9106370D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704831A1 (de) * 1994-08-31 1996-04-03 Toyota Jidosha Kabushiki Kaisha Infrastruktur für ein Fahrzeugkommunikationssystem

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2262836A1 (en) * 1974-02-28 1975-09-26 Duloquin Rene Alerting system for vehicle driver approaching hazard - has radio signal emitter in hazard zone car operating car alarms
US3986119A (en) * 1973-12-28 1976-10-12 International Business Machines Corporation Emergency communication system
US4002983A (en) * 1974-02-28 1977-01-11 Tesla, Narodni Podnik Vehicle-emergency call system
FR2348536A1 (fr) * 1976-04-13 1977-11-10 Signaux Entr Electriques Systeme automatique de detection et de localisation des accidents de la route
DE3830301A1 (de) * 1988-09-07 1990-03-08 Licentia Gmbh Anordnung zum erkennen eines in einem vorgegebenen gebiet auftretenden verkehrsunfalles
DE4004816A1 (de) * 1990-02-16 1991-09-19 Grundig Emv Unfallwarnsystem in kraftfahrzeugen zur erhoehung der verkehrssicherheit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986119A (en) * 1973-12-28 1976-10-12 International Business Machines Corporation Emergency communication system
FR2262836A1 (en) * 1974-02-28 1975-09-26 Duloquin Rene Alerting system for vehicle driver approaching hazard - has radio signal emitter in hazard zone car operating car alarms
US4002983A (en) * 1974-02-28 1977-01-11 Tesla, Narodni Podnik Vehicle-emergency call system
FR2348536A1 (fr) * 1976-04-13 1977-11-10 Signaux Entr Electriques Systeme automatique de detection et de localisation des accidents de la route
DE3830301A1 (de) * 1988-09-07 1990-03-08 Licentia Gmbh Anordnung zum erkennen eines in einem vorgegebenen gebiet auftretenden verkehrsunfalles
DE4004816A1 (de) * 1990-02-16 1991-09-19 Grundig Emv Unfallwarnsystem in kraftfahrzeugen zur erhoehung der verkehrssicherheit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704831A1 (de) * 1994-08-31 1996-04-03 Toyota Jidosha Kabushiki Kaisha Infrastruktur für ein Fahrzeugkommunikationssystem
US5784005A (en) * 1994-08-31 1998-07-21 Toyota Jidosha Kabushiki Kaisha Communications infrasturcture system for vehicles

Also Published As

Publication number Publication date
GB9106370D0 (en) 1991-05-15

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