GB2466827A - Alarm detecting missing objects from a group using wireless communications - Google Patents

Alarm detecting missing objects from a group using wireless communications Download PDF

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Publication number
GB2466827A
GB2466827A GB0900316A GB0900316A GB2466827A GB 2466827 A GB2466827 A GB 2466827A GB 0900316 A GB0900316 A GB 0900316A GB 0900316 A GB0900316 A GB 0900316A GB 2466827 A GB2466827 A GB 2466827A
Authority
GB
United Kingdom
Prior art keywords
devices
group
signal
user
geographic location
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Withdrawn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
GB0900316A
Other versions
GB0900316D0 (en
Inventor
Matthew Wellings
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0900316A priority Critical patent/GB2466827A/en
Publication of GB0900316D0 publication Critical patent/GB0900316D0/en
Publication of GB2466827A publication Critical patent/GB2466827A/en
Withdrawn legal-status Critical Current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
    • G08B21/0263—System arrangements wherein the object is to detect the direction in which child or item is located
    • 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
    • G08B21/18—Status alarms
    • G08B21/22—Status alarms responsive to presence or absence of persons
    • 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
    • G08B21/0266—System arrangements wherein the object is to detect the exact distance between parent and child or surveyor and item
    • 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
    • G08B21/0269—System arrangements wherein the object is to detect the exact location of child or item using a navigation satellite system, e.g. GPS

Landscapes

  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)

Abstract

An alarm system can trigger an alert in any member of a group when one member becomes separated from the group or is out of range of the group. Each member carries or wears a device that communicates wirelessly with each other device, and may forward data to other devices. Each device may include a GPS receiver and may send it's geographical location data to other devices. One device's distance from another may be calculated using the known geographic location. The devices store in memory a list of other devices; when a device on the list is not heard, an alert is triggered.

Description

Description
This invention relates to a system, and the devices that the system comprises, for alerting members of a group that any member has become separated from the group.
When a group of people are taken out together with one or more leaders or as a group of peers it is often necessary to keep checking that no one has gone missing.
Reduction of the time between checks is important as it may lessen the severity of any consequences to the missing person if they can be found quickly. Practicalities mean however that the frequency of checks can be limited and a person may be absent for some time before it is noticed they are missing.
To overcome this, the present invention proposes a system of devices for monitoring the group. Each member of the group will carry a single device which will sound an alarm if any member goes missing. Each devices communicates wirelessly with the other devices and upon communication being lost with any device in the group, alerts the user.
The group can be alerted immediately to the loss of a member, solving the problem of the delay between manual checks.
In order to alert the user that a device is missing the devices must store in memory a list of other devices. When a device on the list is not heard from the user is alerted.
Preferably, the devices will have an adjustable range.
Preferably, the system would be made up of devices any of which can be set as a leader'. A device will only alert its user (to a missing device/person) if there is no device set as a leader' in range or their device is set as a leader'.
This will enable the system to be used with large numbers of people without the annoyance of everyone's alarms sounding unnecessarily.
Preferably the devices in the system will be capable of forwarding data about which devices are in range. This will enable a group of people to spread or string out without setting off the alarm.
Preferably the devices in the system will be capable of emitting a signal that could be traced using Radio Direction Finding techniques.
This signal could be the same as that used for the main method of communication between the devices or it could be another signal emitted specifically for this purpose.
If the device is capable of emitting a signal for the purpose of being traced using Radio Direction Finding techniques it may be preferable for this signal to be emitted only when the device considers itself possible lost e.g. when it is alerting it's user to loss of contact with another device.
Preferably the devices in the system will be capable of forwarding data about the geographic location of the devices. This could be done be means of a GPS receiver installed in each device being used to determine its location then the location data being passed to the other devices.
The geographic location data could then be gathered by the other devices which could be used to determine the actual distance the devices are from one another, this could be used as a trigger for the alert, in addition to or as an alternative to a device being out of range.
The gathered geographic location data could also be used to assist in tracing the missing device/user.

Claims (12)

  1. Claims 1. A system of devices for alerting one or more members of a group that one or more members of said group has become separated from said group whereby each member of said group carries or wears a said device which communicates by wireless means with the other said devices and upon any said device losing contact with any of the other said devices in the system alerts its user.
  2. 2. A device that can form part of a system according to claim 1.3. A Device according to claim 2, where one or more devices can be set as a leader' such that any device only alerts its user to an out of range device if the alerting device is set as a leader or it is no longer in range of another device set as a leader.
  3. 3. A device according to claim 2, where said device can forward information about which other devices are in range.
  4. 4. A device according to claim 2, whereby the said device can be made to to become part a system of devices by being placed in close proximity or in contact with another device that is already a part of the said system.
  5. 5. A device according to claim 2, whereby the said device can emit a signal that can be located using radio direction finding techniques.
  6. 6. A device according to claim 5, whereby the signal that can be located using radio direction finding techniques is the same as that used for monitoring the other devices.
  7. 7. A device according to claim 5, whereby the signal that can be located using radio direction finding techniques is separate to any signal that is used for monitoring the other devices.
  8. 8. A device according to claim 7, such that the signal that can be located using radio direction finding techniques is only emitted when the device is alerting it's user to a missing device.
  9. 9. A device according to claim 2, whereby said device can transmit its geographic location having determined that geographic location using a GPS receiver.
  10. 10. A device according to claim 9, where said device can calculate its distance from other devices with a geographic location that is known and upon said calculated distance exceeding a predefined threshold alerts it's user.
  11. 11.A device according to claim 9 where said device records any geographic location data it receives from the other devices in the system.
  12. 12. A device according to claim 2 whereby said device provides a means of adjusting its range.
GB0900316A 2009-01-12 2009-01-12 Alarm detecting missing objects from a group using wireless communications Withdrawn GB2466827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0900316A GB2466827A (en) 2009-01-12 2009-01-12 Alarm detecting missing objects from a group using wireless communications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0900316A GB2466827A (en) 2009-01-12 2009-01-12 Alarm detecting missing objects from a group using wireless communications

Publications (2)

Publication Number Publication Date
GB0900316D0 GB0900316D0 (en) 2009-02-11
GB2466827A true GB2466827A (en) 2010-07-14

Family

ID=40379359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0900316A Withdrawn GB2466827A (en) 2009-01-12 2009-01-12 Alarm detecting missing objects from a group using wireless communications

Country Status (1)

Country Link
GB (1) GB2466827A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007109792A2 (en) * 2006-03-23 2007-09-27 Rusciano James J Hunting safety and tracking device
US20080061993A1 (en) * 2006-01-20 2008-03-13 Fong Gordon D Method and apparatus for a wireless tether system
US20080068157A1 (en) * 2006-09-12 2008-03-20 Fujitsu Limited Communication control system
GB2447459A (en) * 2007-03-13 2008-09-17 Grant Edwin Phipps Wireless separation alarm for monitoring loss of children or property

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080061993A1 (en) * 2006-01-20 2008-03-13 Fong Gordon D Method and apparatus for a wireless tether system
WO2007109792A2 (en) * 2006-03-23 2007-09-27 Rusciano James J Hunting safety and tracking device
US20080068157A1 (en) * 2006-09-12 2008-03-20 Fujitsu Limited Communication control system
GB2447459A (en) * 2007-03-13 2008-09-17 Grant Edwin Phipps Wireless separation alarm for monitoring loss of children or property

Also Published As

Publication number Publication date
GB0900316D0 (en) 2009-02-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)