EP0745248A4 - Commande interactive d'equipements eloignes - Google Patents

Commande interactive d'equipements eloignes

Info

Publication number
EP0745248A4
EP0745248A4 EP95909148A EP95909148A EP0745248A4 EP 0745248 A4 EP0745248 A4 EP 0745248A4 EP 95909148 A EP95909148 A EP 95909148A EP 95909148 A EP95909148 A EP 95909148A EP 0745248 A4 EP0745248 A4 EP 0745248A4
Authority
EP
European Patent Office
Prior art keywords
equipment
information
control
control means
vehicle
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Withdrawn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
EP95909148A
Other languages
German (de)
English (en)
Other versions
EP0745248A1 (fr
Inventor
Kerry Alan Harris
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.)
NETWORK TECHNOLOGY Ltd
Original Assignee
NETWORK TECHNOLOGY 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 NETWORK TECHNOLOGY Ltd filed Critical NETWORK TECHNOLOGY Ltd
Publication of EP0745248A1 publication Critical patent/EP0745248A1/fr
Publication of EP0745248A4 publication Critical patent/EP0745248A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner

Definitions

  • This invention relates to tracking, locating and controlling systems for equipment and more particularly though not solely to portable equipment or vehicle tracking systems utilising the digital cellular telephone network to allow remote, interactive control and monitoring of the vehicle being tracked.
  • a packet of information is transmitted by the cellular processing unit to the computer at the remote alarm monitoring station which identifies the type of alarm raised and vehicle identifying information as well as adjacent cell and relative signal strength information so that the computer at the alarm monitoring station may calculate the actual location of the vehicle.
  • the tracking system previously described has the disadvantage that it utilises a one way communication system such that information from the monitored vehicle is available at the monitoring station, however, the monitoring station has no control over the monitored vehicle.
  • the system disclosed is unable to determine the vehicle's position accurately as it relies solely on signal strength information which is heavily influenced by the surroundings (for example buildings causing fading and multi-path interference). If the monitored vehicle were to travel into the countryside where the density of cellular telephone sites is very low, the accuracy with which the vehicle's position may be monitored is further reduced.
  • the invention may broadly be said to consist in interactive equipment monitoring apparatus wherein said equipment is located within a cellular communication network having fixed cellular network transmitters which, depending on their spatial relationship with said equipment are either able to be received
  • first transceiving antenna means located on said equipment first control means which receives signals from said fixed receivable cellular network transmitters via said first transceiving antenna means, said signals including signal strength and unique identification information for all said receivable cellular network transmitters, said first control means also being provided with inputs from sensors monitoring the status of selected functions of said equipment and having outputs to control selected equipment systems and an output to said first transceiving means to allow transmission of information received from said sensors monitoring said selected equipment systems and status information of said functions, said first control means being able to alter the status of said equipment systems, second transceiving means remotely located from said equipment which transmits and receives information to and from said first transceiving means, and second control means, remotely located from said equipment, connected to said second transceiving means which receives said information from said first control means and which also transmits control signals to said first control means in response to said information received to control the status of said selected equipment systems to allow remote control and monitoring of said selected equipment systems.
  • the invention may broadly be said to consist in a method of tracking the location and movement of equipment located within a cellular communication network having fixed cellular network transmitters which, depending on their spatial relationship with said equipment are either able to be received (receivable) or not receivable wherein said equipment is provided with sensing means to constantly determine information relating to the movement and orientation of said equipment from distance measuring means, turn angle measuring means and compass means and said equipment is also provided with static position dete ⁇ nining means to determine information relating to the approximate position of said equipment, said method comprising the steps of: i) receiving and storing information from said sensing means in a first in first out memory substantially continuously such that the most recently received information replaces earlier received information, ⁇ ) occasionally receiving information from said static position determining means, iii) combining said information received from said static position determii ⁇ ng means with said stored information from said sensing means to substantially continuously determine the position of said equipment.
  • Figure 1 is a diagrammatic diagram of the interactive vehicle monitoring apparatus of the present invention.
  • FIG 2 is a diagrammatic block diagram of the Secure-Net Unit (SNU) block shown in Figure 1.
  • SNU Secure-Net Unit
  • FIG. 1 interactive equipment monitoring apparatus is shown in which the movements and activity of equipment, for example vehicle 1 (or other easily transportable item, piece of equipment such as a package or person) is determined and monitored.
  • vehicle 1 is provided with a first control means 2 (referred to in this specification as the Secure-Net Unit (SNU)) which is connected to enable the reception and transmission of information via a first transceiving antenna means or aerial 3.
  • the Secure-Net Unit 2 utilises the cellular telephone network to transmit and receive information and preferably, though not solely, the present invention utilises the GSM (Global System Mobile) digital cellular network because of the inherent advantages of digital communication systems including their inherent speed advantage over the analogue cellular networks.
  • GSM Global System Mobile
  • Five cellular sites are shown (4, 5, 6, 24 and 25) which are in range of the Secure-Net Unit 2 in vehicle 1 although it is obvious that there are a great many more cellular sites available to the Secure-Net Unit which are not shown in Figure 1.
  • Each of the cellular sites 4, 5, 6, 24 and 25 are connected to a cellular network control computer 7.
  • the network control computer 7 is provided with information including the actual cellular site being accessed by the Secure-Net Unit along with the unique code number pre-programmed into each Secure-Net Unit so that the individual vehicle being monitored may be identified.
  • a second control means 8 which may comprise a computer and which will be referred to in this specification as the secure-net monitoring computer system, is remotely located from the vehicle 1 and the cellular network control computer 7 and is connected to the cellular network by channel 9 which may, for example, represent a standard phone line modem connection, a cellular modem connection or a VHF radio or microwave link.
  • the secure-net monitoring computer system 8 is further connected to an output device 10 which may for example comprise data output to the police computer system, a phone contact to the owner of vehicle 1 or phone contact to a private security company.
  • the Secure-Net Unit 2 within vehicle 1 is shown in more detail. It can be seen in Figure 2 that the Secure-Net Unit 2 comprises a number of interconnected sub systems.
  • the first module is the Cellular Communication Module (CCM) 11 which has been developed to provide a data capture and processing facility and also provides the communication interface with the GSM cellular telephone network.
  • the cellular communication module 11 includes a transmitter and a receiver which preferably operate over a bandwidth of between 800 - 900 MHz.
  • the cellular communication module is provided with all the necessary hardware and software requirements to comply with the network operating standards and interfaces with the standard GSM GiSMo 22 (often referred to as a "smart card" as supplied by the cellular network provider and which is usually inserted into a cellular telephone).
  • a further module is the position location discriminator module 12 which captures the system management information transmitted by the GSM cellular network to obtain data relating to the position of the vehicle. As the cellular communication module 11 receives incoming signal information it determines the signal strengths of all receivable cellular sites with signal strengths above a predetermined level and feeds them to the position location discriminator 12 in highest ranking order.
  • a Vehicle Movement and Direction Sensing Module (VMDSM) 23 which is an integrated series of measuring devices including a trip counter, inclinometer or turn sensor and electronic compass also provides position location discriminator 12 with information relevant to the position and movement of the vehicle. The VMDSM provides the position location discriminator 12 with the three separate data sources relating to the position of vehicle 1 depending on whether 1) the vehicle is at rest; or 2) the vehicle is moving.
  • the combination of this data along with the signal strength information improves the on-line tracking ability of the SNU at all times, especially in areas of poor signal quality, signal dropout, signal multi-path and limited coverage of cellular transmitters.
  • the position location ⁇ scriminator 12 stores the signal strength information, cell site identification and other direction or movement information for later re-transmission by the cellular communication module 11 to the secure-net monitoring computer system 8.
  • a data input/output module 13 which allows communication between an external input/output device 14 such as a computer or fax machine (and may also include voice and video equipment).
  • the data input/output module 13 provides an RS232 data interface and controls conversion between serial or parallel format as required.
  • a security system monitoring module 15 which monitors the outputs of a plurality of security sensing devices 16 connected to any one of its inputs.
  • the security system monitoring module may be controlled to scan the outputs of up to 30 separate input devices 16 once every fifth of a second.
  • Each of the security sensing devices monitors a specific function of the vehicle, for example, the status of the headlights, whether or not the ignition is turned on, the level of charge in the battery etc.
  • the security system monitoring module 15 may also be used to monitor voltage and current levels supplying each of the sensors 16.
  • External control of the Secure-Net Unit 2 is available to a user of the unit via a client control unit 17 which allows the user to activate or deactivate the security monitoring sensors via its connection with the security system monitoring module 15.
  • the security system monitoring module 15 may be programmed to quantitatively monitor certain inputs to provide an output value indicative of the level of the input.
  • the security system momtormg module 15 outputs information derived from external sensors 16 and client control unit 17 to the cellular communication module 11 for transmission via aerial 3 to the secure-net monitoring computer system 8.
  • An action response control module 18 receives instructions from the security system monitoring module 15 along with instructions from the secure-net monitoring computer system 8 via the cellular network and aerial 3 through the cellular communication module 11.
  • the action response control module 18 In response to instructions, the action response control module 18 outputs control signals to selected electrically powered equipment or circuits 19 within the vehicle 1.
  • the selected equipment or circuits may include ignition disable control, electric window control and door lock control.
  • the action response control module 18 also has the ability to undertake a range of pre-programmed automatic responses determined by the status of the sensors and the security system momtormg module 15. The status of the external electrical circuits or devices 19 are also relayed back to the secure-net monitoring station 8.
  • the Secure-Net Unit 2 Ordinarily power is supplied to the Secure-Net Unit 2 by the vehicle power supply, for example, battery 20. in the event of disconnection of the vehicle power supply 20, the Secure-Net Unit is provided with its own back-up power supply in the form of rechargeable battery 21.
  • the secure-net monitoring computer system 8 is, for example, based around an 80486 66 MHz personal computer connected to the cellular network by channel 9.
  • the secure-net monitoring computer system 8 contains software which includes the capability of tracking and mapping vehicle 1, a table containing action requirements corresponding to various alarm conditions, customers' equipment details (referenced by their unique identification code as previously described) and the computer system may also incorporate customer details for billing purposes.
  • the vehicle or piece of equipment 1 may be fitted with an anti-theft security system such that if the vehicle is tampered with or stolen a silent alarm is triggered.
  • the activation of the silent alarm (which may be a components of circuits 19) is monitored by the security system momtormg module 15 which notifies the cellular communication module 11 of the status of the alarm.
  • Cellular communication module 11 then transmits a signal via aerial 3 and the cellular telephone network to the secure-net monitoring computer system 8.
  • the transmitted signal received by the secure-net computer system contains the unique identification number, data corresponding to the Secure-Net Units location and the status of the security sensors and control outputs of the Secure-Net Unit 2.
  • An audible alarm may also be activated at the secure-net monitoring system's computer if required.
  • the secure-net monitoring and control computer system 8 receives the transmitted information from the Secure-Net Unit 2 which is then processed.
  • Software within the secure-net monitoring and control computer determines the position of the vehicle 1 by comparing the signal strength and cell site identification information with a table of actual positions for each of the cell sites using geometric calculations.
  • the position of the vehicle 1 may then be displayed on an operator's screen superimposed, for example, upon a map of the relevant area which the vehicle is in.
  • Also revealed on an operator's screen is the client contact details and the details of the vehicle (for example registration number, colour or an electronically scanned image of the equipment, vehicle or person). Special instructions which have been stored with reference to the vehicle are then displayed to instruct the operator what actions the client requires to be taken.
  • the secure-net monitoring computer system 8 then annotates the client billing and produces a hard copy of the alarm received and action taken. This information may also be fed to the police computer system and displayed on the operation room screen at the police department if required.
  • the secure-net monitoring and control computer station has the ability to initiate predetermined control actions.
  • the vehicle may be wired and programmed so that, upon the secure-net monitoring and control computer 8 initiating a command to the cellular communication module 11 within the Secure-Net Unit 2, car windows may be wound up, doors locked or ignition disabled as required or instructed by the client.
  • the action response control module enabling certain outputs to electrically powered equipment or circuits 19 within the vehicle 1.
  • the security system monitoring module 15 may also be connected to continuously monitor battery 20 or battery 21, ambient light conditions (by connection to a photometer), temperature for example the temperature of a refrigerated unit within the vehicle or ambient temperature, tilt switches, passive infrared sensors, sound detectors and location (by for example connection to a Global Positioning Satellite (GPS) system). It should, however, be noted that each of these sensors could alternatively be connected as external digital devices 14 via the data input output module 13 or through a connection to the vehicle movement and direction sensing module 23.
  • GPS Global Positioning Satellite
  • the cellular communication module 11 of the Secure-Net Unit 2 will be programmed to make one call per day to the secure- net monitoring computer system 8 in order to corifirm the current position of the vehicle 1. In this way, charges for cellular telephone calls will be minimised. Under alarm conditions, calls will be made at the discretion of the secure-net monitoring computer 8 and the cellular communication module 11.
  • the vehicle movement and direction sensing module 23 will supply and update estimated position information based on inputs from the inclinometer, compass and trip counter.
  • the position location discriminator rather than the position location discriminator simply receiving and then forwarding the positional information to the monitoring computer which then determines the vehicles position, the occasionally received signal strength and identification information from the receivable cellular transmitters could be used by the position location discriminator (which could be sent or could permanently hold the physical location information relating to each transmitter) to calculate the vehicles static position which could then be transmitted to the monitoring computer along with information from the VMDSM.
  • the position location discriminator could combine the calculated static position with the information relating to the movement and orientation sensed by the VMDSM and transmit a more accurate position to the monitoring computer.
  • the cellular communication module 11 continuously receives cellular control signals transmitted by all receivable cellular network transmitters.
  • the signal strength and identification of the cellular network transmitter is stored in memory and updated regularly at: i) predetermined times, ii) alarm conditions, or iii) the request of the monitoring station.
  • a further possible application of the SNU is in the field of automated medical monitoring in which a patient has his or her vital signs such as heart rate, blood pressure and sugar levels momtored by the SNU and transmitted to a monitoring computer.
  • the monitoring computer may decide upon actions to take in association with skilled medical practitioners if various situations were to arise .
  • the momtormg computer may then issue control signals over the digital cellular telephone system to the SNU which may then dispense medication, for example, through a syringe to the patient.
  • the Secure-Net Unit can also transmit positional information to the monitoring computer so that the location of the patient may be remotely monitored. This aspect of the invention would also be beneficial for remote monitoring of prisoners who, for example, are permitted strictly momtored but limited freedom away from prison.
  • equipment or circuits 19 within the Secure-Net Unit 2 may encompass entire industrial processes, for example pumps, motors or other electro/mechanical systems, which could then each be remotely controlled allowing full remote industrial control and monitoring.
  • the present invention by not only monitoring the position of a vehicle and status of alarms within the vehicle, has the added benefit of allowing control of various vehicle systems remotely.
  • the system also allows any standard commercial digital device to be connected to the Secure-Net Unit allowing normal communication over the cellular telephone network for voice, fax or computer transmissions. It is anticipated that these improvements over the prior art will be perceived as extremely advantageous as the present invention provides a deterrent to crime as well as making the vehicle a mobile general purpose digital communication centre.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention porte sur un dispositif permettant de pister des pièces d'équipement transportables, par exemple des bagages ou des véhicules à moteur. Le dispositif (1) contrôle l'état des diverses fonctions à l'intérieur de l'équipement ou du véhicule par l'intermédiaire de capteurs (16), qui ont notamment pour fonction de déterminer si l'on a mis l'allumage. Ce dispositif transmet cette information à un ordinateur de contrôle à distance (8) du réseau téléphonique cellulaire numérique. Ce dispositif enregistre aussi l'information concernant la direction et les distances parcourues et permet de localiser en permanence l'équipement ou le véhicule, le cas échéant en calculant la position d'après l'intensité du signal et l'information d'identification transmise par chaque émetteur cellulaire (4, 5, 6, 24, 25) dont on peut capter les signaux et en complétant cette information statique à l'aide des nouvelles données de position fournies en permanence par les capteurs de direction et de distance (23). L'ordinateur de contrôle à distance (8) peut contrôler la position du dispositif et lui émettre des signaux de commande en cas de vol de l'équipement ou du véhicule. Les signaux de commande sont reçus par le dispositif, qui peut ensuite commander certains systèmes à l'intérieur de l'équipement ou du véhicule pour les rendre inutilisables. L'invention porte aussi sur d'autres applications du dispositif, dont la télésurveillance médicale et la distribution automatisée de médicaments à distance.
EP95909148A 1994-02-15 1995-02-15 Commande interactive d'equipements eloignes Withdrawn EP0745248A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ25088094 1994-02-15
NZ25088094 1994-02-15
PCT/NZ1995/000014 WO1995022131A1 (fr) 1994-02-15 1995-02-15 Commande interactive d'equipements eloignes

Publications (2)

Publication Number Publication Date
EP0745248A1 EP0745248A1 (fr) 1996-12-04
EP0745248A4 true EP0745248A4 (fr) 1997-05-02

Family

ID=19924633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95909148A Withdrawn EP0745248A4 (fr) 1994-02-15 1995-02-15 Commande interactive d'equipements eloignes

Country Status (5)

Country Link
EP (1) EP0745248A4 (fr)
JP (1) JPH09509537A (fr)
AU (1) AU679840B2 (fr)
NZ (1) NZ279926A (fr)
WO (1) WO1995022131A1 (fr)

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CA2301159A1 (fr) * 1997-08-20 1999-02-25 Locus Corporation Systeme de positionnement et dispositif de communication mobile
FR2777377B1 (fr) * 1998-04-10 2001-01-05 Renault Procede et dispositif de declenchement automatique d'un appel d'urgence a partir d'un vehicule
AU4690899A (en) 1998-06-18 2000-01-05 Kline & Walker Llc Automated devices to control equipment and machines with remote control and accountability worldwide
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US6161095A (en) * 1998-12-16 2000-12-12 Health Hero Network, Inc. Treatment regimen compliance and efficacy with feedback
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GB2362784A (en) * 2000-05-26 2001-11-28 Michael Benedict Bergamasco An anti theft device which uses the mobile telecommunications network to identify and control a vehicle/equipment via the mobile communications network
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EP1216901B1 (fr) * 2000-12-22 2006-06-07 Ford Global Technologies, LLC Un système pour indiquer l'état d'un véhicule
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Also Published As

Publication number Publication date
JPH09509537A (ja) 1997-09-22
EP0745248A1 (fr) 1996-12-04
AU1720295A (en) 1995-08-29
AU679840B2 (en) 1997-07-10
NZ279926A (en) 1998-05-27
WO1995022131A1 (fr) 1995-08-17

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