WO2001090771A1 - Satellite/radio based tracing system - Google Patents

Satellite/radio based tracing system Download PDF

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Publication number
WO2001090771A1
WO2001090771A1 PCT/SE2001/001035 SE0101035W WO0190771A1 WO 2001090771 A1 WO2001090771 A1 WO 2001090771A1 SE 0101035 W SE0101035 W SE 0101035W WO 0190771 A1 WO0190771 A1 WO 0190771A1
Authority
WO
WIPO (PCT)
Prior art keywords
traced
supervisor
sound
dog
signal
Prior art date
Application number
PCT/SE2001/001035
Other languages
French (fr)
Inventor
Jan-Erik Furmark
Original Assignee
Tracer 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.)
Filing date
Publication date
Priority to AU2001262820A priority Critical patent/AU2001262820A1/en
Application filed by Tracer Ab filed Critical Tracer Ab
Priority to EP01937051A priority patent/EP1295146A1/en
Publication of WO2001090771A1 publication Critical patent/WO2001090771A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G01S19/51—Relative positioning
    • 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
    • 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
    • B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
    • B60R25/33—Detection related to theft or to other events relevant to anti-theft systems of global position, e.g. by providing GPS coordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/047—Displays or indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G01S19/16—Anti-theft; Abduction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G01S19/17—Emergency applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station
    • G01S5/0027—Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0227—System arrangements with a plurality of child units
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0294—Display details on parent unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/30—Vehicles applying the vehicle anti-theft devices
    • B60R2325/304—Boats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the vehicle
    • B60W2556/50—External transmission of data to or from the vehicle for navigation systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001—Transmission of position information to remote stations
    • G01S2205/006—Transmission of position information to remote stations for emergency situations

Definitions

  • the present invention generally relates to a satellite/radio based tracing system, and the invention is more particularly directed to such a system, by means of which it is possible to localise many kinds movable objects, like beating dogs, for instance during hunting, persons who have gone lost in woods and fields or have lost their orientation in the mountains, for localising stolen cars or boats, for different types of use in the military field, for localising persons or objects who move in fields like in agricultural activities, for localising persons who trigger an alarm and for many other purposes.
  • movable objects like beating dogs
  • the invention is more particularly based on a combination of a GPS tracing system, which is known in the art, and a sound or light system having a transmitter and a receiver, whereby it is possible, using said combination, both to receive an indication when the object or the person which is looked for moves and/or triggers some type of alarm, and also in which the system shows the bearing and the distance to the object or the person who is looked for, and which information can be intercepted by the supervising person.
  • the system preferably can be formed for frequently reading the positions both of the object which is looked for and the supervising person and in which at least the bearing and the distance between the object or person to be traced and the supervising person are emitted.
  • An advantage with the system according to the invention is that the supervising person continuously can see the bearing and the distance to the object or person, even if both the supervising person him/herself and the object or person to be traced move, and the respective positions change continuously.
  • Sole GPS supervising systems are known for instance from the patent
  • GB 2.312.112 which discloses a GPS system by means of which it is possible to see the distance and the direction to a skier who may have been buried in snow after there has been an avalanche.
  • This system does not provide for giving the possibility of creating a supervising both in the case the person to be traced moves in the nature and in the case both the supervising person the person to be traced moves in the nature.
  • the system also has no sound or light signal which gives alarm to the supervising person in case something happens.
  • a similar sole GPS system is shown in the patent US 5,422,816.
  • the patent GB 2.322.248 discloses a similar GPS system which can be used in the case a person which is to be traced moves in the nature, and in which several persons, each having a portable distance terminal, can observe the positions of each other by directing a question into a central tracing system. Also this system has no possibility of supervising in case both the supervising person and the person to be traced moves in the nature, and the system also has no means for giving alarm to the supervising person in case something happens.
  • US patent 5,661 ,652 discloses a GPS system formed with a two-way radio communication system for transmitting information over radio of the positions of several GPS receivers belonging to each respective person to other GPS receivers. Also in this system there is no possibility of giving the supervising person information about bearing and distance to the object looked for in case both the supervising person and the object looked for move in the nature. There is also no means for giving alarm to the supervising person in case something happens.
  • Both the supervising person and the object to be traced are connected to a GPS system which frequently, for instance every second updates to positions of the object to be traced and of the supervising person, and in the said case the object to be traced is also equipped with a radio transmitter and the supervising person is equipped with a radio receiver.
  • a pulse is transmitted over the radio transmitter to a receiver giving information that a sound alarm has been given off, and concurrently therewith information of the latest known position of the object which is which is supervised with information of bearing and distance from the supervisor to the supervised object and the time for said latest updated position.
  • the supervisor can observe, by means of a light or a sound signal, that an alarm is being received, and the GPS receiver thereby issues the desired information about bearing and distance to the object from which alarm has been transmitted.
  • the accompanying drawing shows a system for localising a beating dog during hunting.
  • the dog 1 can run beating over long distances in woods and fields, and also the dog driver 2 may move in relation to the dog. It is thereby important that the dog driver 2, and eventually also other hunters in the hunting team, can localise the dog with respect to the position of the dog 1 in relation to the dog driver 2 or any other hunters, respectively, especially by obtaining information of the bearing and the distance from the dog driver 2 and/or the hunter to the dog 1.
  • a GPS system having at least one mobile GPS receiver 3, which is applied to the dog 1 , and one mobile GPS receiver 4 kept at the dog driver 2.
  • the GPS system uses the GPS system, to localise the dog 1 by means of several satellites 5.
  • the GPS system is formed so that it is able to localise the dog 1 even in the case the dog moves over a fairly large area, and even in the case that the dog driver moves over a certain area.
  • a radio system comprising a radio transmitter 8 which is mounted on the dog 1 and a radio receiver 7 kept at the dog driver 2.
  • the radio system can be formed so that the radio transmitter is activated at a sound over a certain sound level, in the illustrated case when the dog barks, what normally happens when the dog has
  • the transmitter can be activated manually.
  • the sound transmitter is activated for instance when an engine is started, at normal speech level in the driver's cabin of a car or a boat, upon screaming in case of an assault or in case of accidents, etc.
  • the sound which is transmitted by the transmitter 6 is received in a receiver available to the dog driver 2, and this transmitted sound can be obtained in the form of a light and/or a sound signal in a receiver unit 8, so that the dog driver 2
  • the receiving unit 8 thereby issues a number of information, the most important information of which relate to: - the polar bearing 9 between the dog driver 2 and the dog 1 ,
  • Additional information may be:
  • the GPS system is formed so that it is possible to localise the object 1 which is looked for, even if said object 1 and also the supervisor 2 are moving over fairly wide areas.
  • the accompanying drawing is indicated by dotted lines that both the dog
  • the dog driver 2 have moved to different positions, whereby the desired information can any time be obtained over the radio system 6 and the GPS system 5.
  • the object 1 which is continuously, or at predetermined intervals, looked for sends, via the GPS system, signals 12 giving information of its position and information of the identity of said object looked for.
  • the information about the identity can be of value in case one and the same supervisor 2, or eventually several supervisors want to obtain the positions of several objects 1 to be traced, for instance several dogs belonging to a hunting team, several skiers who are out on tour or are downhill skiing, whereby the supervisor can immediately identify the dog, the person, the object etc. from which the signal is emitted.
  • signals 13 are sent, in some cases alarm signals, upon activation of some type of an indicator in the radio transmitter 3, for instance a sound and/or light transmitter, an inactivity transmitter, etc.
  • the dot-lines in the drawing are indicating that the dog driver 2 gets information and alarm signals even if he/she has moved in relation to the dog 1 , and the double dot-lines indicate that corresponding information, and also sound and/or light signals are issued even if both the dog 1 and the dog driver 2 have moved in relation to each other.
  • the core of the invention lies in the combination of a) a GPS tracing system and a sound/light system, in which the GPS signals are received over satellites, b) and in which the object 1 which is continuously, or at predetermined intervals looked for, gives out its position and its identity by means of the GPS signals 12, c) and in which signals or alarm signals, respectively, are issued by the radio transmitter 3 upon activation of some type of indicator in the transmitter (sound, light, inactivity etc.), d) a system which frequently and repeatedly reads the positions both of the object 1 which is looked for and the supervisor 2, and which gives at least the bearing and the distance between the object 1 and the supervisor 2, e) a system in which information is received for each separate object 1 looked for by indication of identity, even if the positions of the object 1 looked for and/or the supervisor 2 continuously change.

Abstract

A satellite and radio based tracing system, by means of which it is possible to localise many kinds of objects (1) to be traced by a supervisor (2), whereby both the object (1) to be traced and the supervisor (2) are moving in the surroundings in relation to each other, and which system comprises one or more GPS receivers (3, 4) which are mounted on the object (1) to be traced and at the supervisor (2), respectively, and which over GPS satellites (5) give information of bearing and distance from the supervisor (2) to the object (1) to be traced, and preferably also the identity of said object (1) to be traced, a radio transmitter (6) mounted on the object (1) to be traced, which is arranged to issue a sound and/or a light signal which can be intercepted by the supervisor (2) and which is activated at a sound level over a certain sound level, and which in other cases can be activated manually.

Description

SATELLITE/RADIO BASED TRACING SYSTEM
The present invention generally relates to a satellite/radio based tracing system, and the invention is more particularly directed to such a system, by means of which it is possible to localise many kinds movable objects, like beating dogs, for instance during hunting, persons who have gone lost in woods and fields or have lost their orientation in the mountains, for localising stolen cars or boats, for different types of use in the military field, for localising persons or objects who move in fields like in agricultural activities, for localising persons who trigger an alarm and for many other purposes. The invention is more particularly based on a combination of a GPS tracing system, which is known in the art, and a sound or light system having a transmitter and a receiver, whereby it is possible, using said combination, both to receive an indication when the object or the person which is looked for moves and/or triggers some type of alarm, and also in which the system shows the bearing and the distance to the object or the person who is looked for, and which information can be intercepted by the supervising person.
The system preferably can be formed for frequently reading the positions both of the object which is looked for and the supervising person and in which at least the bearing and the distance between the object or person to be traced and the supervising person are emitted. An advantage with the system according to the invention is that the supervising person continuously can see the bearing and the distance to the object or person, even if both the supervising person him/herself and the object or person to be traced move, and the respective positions change continuously. Sole GPS supervising systems are known for instance from the patent
GB 2.312.112, which discloses a GPS system by means of which it is possible to see the distance and the direction to a skier who may have been buried in snow after there has been an avalanche. This system does not provide for giving the possibility of creating a supervising both in the case the person to be traced moves in the nature and in the case both the supervising person the person to be traced moves in the nature. The system also has no sound or light signal which gives alarm to the supervising person in case something happens.
A similar sole GPS system is shown in the patent US 5,422,816. The patent GB 2.322.248 discloses a similar GPS system which can be used in the case a person which is to be traced moves in the nature, and in which several persons, each having a portable distance terminal, can observe the positions of each other by directing a question into a central tracing system. Also this system has no possibility of supervising in case both the supervising person and the person to be traced moves in the nature, and the system also has no means for giving alarm to the supervising person in case something happens.
US patent 5,661 ,652 discloses a GPS system formed with a two-way radio communication system for transmitting information over radio of the positions of several GPS receivers belonging to each respective person to other GPS receivers. Also in this system there is no possibility of giving the supervising person information about bearing and distance to the object looked for in case both the supervising person and the object looked for move in the nature. There is also no means for giving alarm to the supervising person in case something happens.
It is also not possible in practice, and is generally also not of interest, to constantly supervise the position of an object or of a person moving in the nature. What is of interest often is to get an indication when something happens. This may be that a dog starts barking thereby marking that said dog has beated or is beating a game, it may be a person giving alarm because he/she has lost his/her way, it may be a person screaming in case being assaulted, it may for instance be a voice alarm in case an accident has happened, etc. Both the supervising person and the object to be traced are connected to a GPS system which frequently, for instance every second updates to positions of the object to be traced and of the supervising person, and in the said case the object to be traced is also equipped with a radio transmitter and the supervising person is equipped with a radio receiver. When a dog starts barking, or a person gives out a sound etc., a pulse is transmitted over the radio transmitter to a receiver giving information that a sound alarm has been given off, and concurrently therewith information of the latest known position of the object which is which is supervised with information of bearing and distance from the supervisor to the supervised object and the time for said latest updated position. The supervisor can observe, by means of a light or a sound signal, that an alarm is being received, and the GPS receiver thereby issues the desired information about bearing and distance to the object from which alarm has been transmitted.
For a more close explanation of the invention reference is made to the accompanying drawing which shows an example in which a hunting dog is supervised during hunting. It is, however, to be understood that the described case only relates to one out of many possible examples of use of the invention, and that said example does not restrict the invention in any respect.
Thus, the accompanying drawing shows a system for localising a beating dog during hunting. The dog 1 can run beating over long distances in woods and fields, and also the dog driver 2 may move in relation to the dog. It is thereby important that the dog driver 2, and eventually also other hunters in the hunting team, can localise the dog with respect to the position of the dog 1 in relation to the dog driver 2 or any other hunters, respectively, especially by obtaining information of the bearing and the distance from the dog driver 2 and/or the hunter to the dog 1.
To this end there is used a GPS system having at least one mobile GPS receiver 3, which is applied to the dog 1 , and one mobile GPS receiver 4 kept at the dog driver 2. As usual it is possible, using the GPS system, to localise the dog 1 by means of several satellites 5. In this case the GPS system is formed so that it is able to localise the dog 1 even in the case the dog moves over a fairly large area, and even in the case that the dog driver moves over a certain area.
In combination with the GPS system there is also used a radio system comprising a radio transmitter 8 which is mounted on the dog 1 and a radio receiver 7 kept at the dog driver 2. The radio system can be formed so that the radio transmitter is activated at a sound over a certain sound level, in the illustrated case when the dog barks, what normally happens when the dog has
"stopped" an animal.
In other applications the transmitter can be activated manually. In still further applications the sound transmitter is activated for instance when an engine is started, at normal speech level in the driver's cabin of a car or a boat, upon screaming in case of an assault or in case of accidents, etc.
The sound which is transmitted by the transmitter 6 is received in a receiver available to the dog driver 2, and this transmitted sound can be obtained in the form of a light and/or a sound signal in a receiver unit 8, so that the dog driver 2
(the supervisor) immediately gets an indication that the dog is barking (the car or the boat is started without authorisation, an assault has been made or an accident has occurred etc.). The receiving unit 8 thereby issues a number of information, the most important information of which relate to: - the polar bearing 9 between the dog driver 2 and the dog 1 ,
- the distance 10 between the position of the dog 1 and the position of the dog driver.
Additional information may be:
- the time when the sound was received in the receiver, - the original position of the dog driver 2 or the position at the latest received sound, etc.
The GPS system is formed so that it is possible to localise the object 1 which is looked for, even if said object 1 and also the supervisor 2 are moving over fairly wide areas. In the accompanying drawing is indicated by dotted lines that both the dog
1 and the dog driver 2 have moved to different positions, whereby the desired information can any time be obtained over the radio system 6 and the GPS system 5.
The object 1 which is continuously, or at predetermined intervals, looked for sends, via the GPS system, signals 12 giving information of its position and information of the identity of said object looked for. The information about the identity can be of value in case one and the same supervisor 2, or eventually several supervisors want to obtain the positions of several objects 1 to be traced, for instance several dogs belonging to a hunting team, several skiers who are out on tour or are downhill skiing, whereby the supervisor can immediately identify the dog, the person, the object etc. from which the signal is emitted. In addition thereto signals 13 are sent, in some cases alarm signals, upon activation of some type of an indicator in the radio transmitter 3, for instance a sound and/or light transmitter, an inactivity transmitter, etc. The dot-lines in the drawing are indicating that the dog driver 2 gets information and alarm signals even if he/she has moved in relation to the dog 1 , and the double dot-lines indicate that corresponding information, and also sound and/or light signals are issued even if both the dog 1 and the dog driver 2 have moved in relation to each other. The core of the invention lies in the combination of a) a GPS tracing system and a sound/light system, in which the GPS signals are received over satellites, b) and in which the object 1 which is continuously, or at predetermined intervals looked for, gives out its position and its identity by means of the GPS signals 12, c) and in which signals or alarm signals, respectively, are issued by the radio transmitter 3 upon activation of some type of indicator in the transmitter (sound, light, inactivity etc.), d) a system which frequently and repeatedly reads the positions both of the object 1 which is looked for and the supervisor 2, and which gives at least the bearing and the distance between the object 1 and the supervisor 2, e) a system in which information is received for each separate object 1 looked for by indication of identity, even if the positions of the object 1 looked for and/or the supervisor 2 continuously change. REFERENCE NUMERALS
1 object looked for (to be traced)
2 supervisor
3 satellite receiver (at 1)
4 satellite receiver (at 2)
5 satellite
6 radio transmitter
7 radio receiver
8 receiver unit
9 bearing 0 time 1 time 2 satellite signals 3 radio signals

Claims

C L A I M S
1. A satellite and radio based tracing system, by means of which it is possible to localise many kinds of objects (1) to be traced by a supervisor (2), in which both the object (1) to be traced and the supervisor (2) can move in the surroundings in relation to each other, characterized in that the system comprises - one or more GPS receivers (3, 4) mounted on the object (1) to be traced, or on each object (1) to be traced and at the supervisor (2), respectively, and which over GPS satellites (5) give at least the position of the object (1) to be traced, - a radio transmitter means (6) mounted on the object (1) to be traced, which is arranged to give off a sound and/or a light signal which can be intercepted by the supervisor (2).
2. A system according to claim 1 , characterized in that in that the satellite receiver (3) which is mounted on the object to be traced is arranged to issue both a unique signal indicating the position of the object (1) to be traced, and also the identity of said object (1) to be traced.
3. System according to claim 1 or 2, characterized in that the satellite receivers (3, 4), both of the object (1) to be traced and of the supervisor (2), update their positions at predetermined intervals.
4. System according to claim 3, characterized in that the receiver unit (8) of the supervisor (2) is arranged to give the bearing (9) and the distance (10) from the supervisor (2) to the object (1) to be traced.
5. System according to claim 3 or 4, characterized in that the receiver unit (8) of the supervisor (2) is arranged to also give the time of the latest registered position of the object (1) to be traced.
6. System according to any of the preceding claims, characterized in that the radio transmitter (3) of the object (1) to be traced is arranged to issue a signal (13), or an alarm signal, respectively, when subjected to a sound level of the object (1) to be traced which exceeds a predetermined lowest sound level, for instance a sound from a barking dog, of human speech or human screaming, of starting an engine, etc.
7. System according to any of the preceding claims, characterized in that the object (1) to be traced can also be brought to manually issue an alarm signal, or is arranged so that an alarm is issued when no change of position of the object (1) to be traced has been registered after a predetermined interval of time.
8. System according to claim 6 or 7, characterized in that the signal (13) from the object (1) to be traced is received in the form of a light signal and/or a sound signal and/or a vibration in the receiver unit (8) of the supervisor (2).
PCT/SE2001/001035 2000-05-23 2001-05-11 Satellite/radio based tracing system WO2001090771A1 (en)

Priority Applications (2)

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AU2001262820A AU2001262820A1 (en) 2000-05-23 2001-05-05 Satellite/radio based tracing system
EP01937051A EP1295146A1 (en) 2000-05-23 2001-05-11 Satellite/radio based tracing system

Applications Claiming Priority (2)

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SE0001922-4 2000-05-23
SE0001922A SE0001922L (en) 2000-05-23 2000-05-23 Satellite / radio based tracking system

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GB2381363A (en) * 2001-10-25 2003-04-30 Paul Clarke Distance monitoring alarm and locating device
FR2834564A1 (en) * 2002-01-10 2003-07-11 Virbac Sa METHOD AND SYSTEM FOR REMOTELY LOCATING A SPECIFIED ANIMAL
GB2402283A (en) * 2003-05-31 2004-12-01 Malcolm Fredrick Scott Animal Tracker
CN103337128A (en) * 2013-05-29 2013-10-02 东莞市瑞明电子科技有限公司 Anti-missing wireless communication method and alarm thereof
CN110689702A (en) * 2019-09-30 2020-01-14 广东小天才科技有限公司 Safety early warning method and device based on intelligent wearable device and intelligent wearable device

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GB2322248A (en) * 1997-02-06 1998-08-19 Fujitsu Ltd Position determination, processing and display
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381363A (en) * 2001-10-25 2003-04-30 Paul Clarke Distance monitoring alarm and locating device
FR2834564A1 (en) * 2002-01-10 2003-07-11 Virbac Sa METHOD AND SYSTEM FOR REMOTELY LOCATING A SPECIFIED ANIMAL
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GB2402283A (en) * 2003-05-31 2004-12-01 Malcolm Fredrick Scott Animal Tracker
CN103337128A (en) * 2013-05-29 2013-10-02 东莞市瑞明电子科技有限公司 Anti-missing wireless communication method and alarm thereof
CN110689702A (en) * 2019-09-30 2020-01-14 广东小天才科技有限公司 Safety early warning method and device based on intelligent wearable device and intelligent wearable device
CN110689702B (en) * 2019-09-30 2021-11-19 广东小天才科技有限公司 Safety early warning method and device based on intelligent wearable device and intelligent wearable device

Also Published As

Publication number Publication date
AU2001262820A1 (en) 2001-12-03
EP1295146A1 (en) 2003-03-26
SE0001922D0 (en) 2000-05-23
SE0001922L (en) 2001-11-24

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