AU5156293A - Tracking system - Google Patents

Tracking system

Info

Publication number
AU5156293A
AU5156293A AU51562/93A AU5156293A AU5156293A AU 5156293 A AU5156293 A AU 5156293A AU 51562/93 A AU51562/93 A AU 51562/93A AU 5156293 A AU5156293 A AU 5156293A AU 5156293 A AU5156293 A AU 5156293A
Authority
AU
Australia
Prior art keywords
tracking system
tracking
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.)
Abandoned
Application number
AU51562/93A
Inventor
Richard Vahrman
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.)
MULTILOP Ltd
Original Assignee
MULTILOP 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
Priority claimed from GB929209436A external-priority patent/GB9209436D0/en
Application filed by MULTILOP Ltd filed Critical MULTILOP Ltd
Publication of AU5156293A publication Critical patent/AU5156293A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1427—Mechanical actuation by lifting or attempted removal of hand-portable articles with transmitter-receiver for distance detection
    • 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
    • G08B21/023—Power management, e.g. system sleep and wake up provisions
    • 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
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0295—Proximity-based methods, e.g. position inferred from reception of particular signals

Landscapes

  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Warehouses Or Storage Devices (AREA)
AU51562/93A 1992-05-01 1993-04-22 Tracking system Abandoned AU5156293A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB929209436A GB9209436D0 (en) 1992-05-01 1992-05-01 Tracking systems
GB9209436 1992-05-01
GB9216101 1992-07-29
GB9216101A GB2266643B (en) 1992-05-01 1992-07-29 Tracking system

Publications (1)

Publication Number Publication Date
AU5156293A true AU5156293A (en) 1993-11-29

Family

ID=26300802

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51562/93A Abandoned AU5156293A (en) 1992-05-01 1993-04-22 Tracking system

Country Status (3)

Country Link
EP (1) EP0638192A1 (en)
AU (1) AU5156293A (en)
WO (1) WO1993022754A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2003135848A (en) * 2001-06-11 2005-05-27 Уорнер-Ламберт Компани Ллс (Us) MICROCapsules FOR RESPIRATORY FRESHNESS
WO2009007469A1 (en) * 2007-07-09 2009-01-15 Enrique Costa Porta Method for detection and localization of luggage trollies in airports and/or the like

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319220A (en) * 1976-08-31 1982-03-09 Dennis G. Pappas Alarm system for monitoring pressurized vehicular tires
US4136338A (en) * 1977-03-08 1979-01-23 James D. Pauls & Associates, Ltd. Perimeter alarm apparatus
IT1176849B (en) * 1984-09-28 1987-08-18 Alfa Romeo Auto Spa PLANT FOR HANDLING OF PALLET TROLLEYS
US4772880A (en) * 1986-01-21 1988-09-20 Goldstein Larry W Shopping cart anti-theft system
GB2193359B (en) * 1986-07-31 1990-07-11 Multitone Electronics Plc Area communications systems
US5053768A (en) * 1989-12-21 1991-10-01 Invisible Fence Company, Inc. Golf cart control system

Also Published As

Publication number Publication date
EP0638192A1 (en) 1995-02-15
WO1993022754A1 (en) 1993-11-11

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