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GB2473067B - Proximity sensors - Google Patents

Proximity sensors

Info

Publication number
GB2473067B
GB2473067B GB0915182A GB0915182A GB2473067B GB 2473067 B GB2473067 B GB 2473067B GB 0915182 A GB0915182 A GB 0915182A GB 0915182 A GB0915182 A GB 0915182A GB 2473067 B GB2473067 B GB 2473067B
Authority
GB
United Kingdom
Prior art keywords
proximity sensors
proximity
sensors
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.)
Expired - Fee Related
Application number
GB0915182A
Other versions
GB0915182D0 (en
GB2473067A (en
Inventor
John Anderson
Aled Hughes
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.)
Guidance IP Ltd
Original Assignee
Guidance IP Ltd
Guidance Monitoring 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 Guidance IP Ltd, Guidance Monitoring Ltd filed Critical Guidance IP Ltd
Priority to GB0915182A priority Critical patent/GB2473067B/en
Publication of GB0915182D0 publication Critical patent/GB0915182D0/en
Priority to EP10008747.7A priority patent/EP2290391B1/en
Priority to ES10008747T priority patent/ES2859780T3/en
Priority to PT100087477T priority patent/PT2290391T/en
Priority to NZ587538A priority patent/NZ587538A/en
Priority to US12/862,761 priority patent/US8629771B2/en
Priority to AU2010214710A priority patent/AU2010214710B2/en
Priority to IL207866A priority patent/IL207866A0/en
Publication of GB2473067A publication Critical patent/GB2473067A/en
Application granted granted Critical
Publication of GB2473067B publication Critical patent/GB2473067B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G08B21/18—Status alarms
    • G08B21/22—Status alarms responsive to presence or absence of persons
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/04—Systems determining presence of a target
    • 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
    • G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • 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
    • G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • G01S19/215—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service issues related to spoofing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • 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
    • 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
    • G08B21/0286—Tampering or removal detection of the child unit from child or article

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromagnetism (AREA)
  • Burglar Alarm Systems (AREA)
GB0915182A 2009-09-01 2009-09-01 Proximity sensors Expired - Fee Related GB2473067B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB0915182A GB2473067B (en) 2009-09-01 2009-09-01 Proximity sensors
EP10008747.7A EP2290391B1 (en) 2009-09-01 2010-08-23 Proximity sensors
ES10008747T ES2859780T3 (en) 2009-09-01 2010-08-23 Proximity sensors
PT100087477T PT2290391T (en) 2009-09-01 2010-08-23 Proximity sensors
NZ587538A NZ587538A (en) 2009-09-01 2010-08-24 Proximity sensor for a transmitter or receiver to detect blocking of a signal
US12/862,761 US8629771B2 (en) 2009-09-01 2010-08-25 Proximity sensors
AU2010214710A AU2010214710B2 (en) 2009-09-01 2010-08-30 Proximity sensors
IL207866A IL207866A0 (en) 2009-09-01 2010-08-30 Proximity sensors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0915182A GB2473067B (en) 2009-09-01 2009-09-01 Proximity sensors

Publications (3)

Publication Number Publication Date
GB0915182D0 GB0915182D0 (en) 2009-10-07
GB2473067A GB2473067A (en) 2011-03-02
GB2473067B true GB2473067B (en) 2011-08-17

Family

ID=41202961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0915182A Expired - Fee Related GB2473067B (en) 2009-09-01 2009-09-01 Proximity sensors

Country Status (1)

Country Link
GB (1) GB2473067B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477917B (en) * 2010-02-15 2012-02-22 Guidance Ip Ltd Proximity sensors
GB2588371A (en) * 2019-09-30 2021-04-28 G4S Monitoring Tech Limited Electronic tag

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5959533A (en) * 1997-05-27 1999-09-28 Pro Tech Monitoring, Inc. Tamper detection for body worn transmitter
US20030062907A1 (en) * 2001-09-28 2003-04-03 Siemens Information And Communication Mobile Llc System and method for detecting the proximity of a body
US20030179098A1 (en) * 2002-03-20 2003-09-25 Ohanes Ghazarian Tamper detection sensor antenna

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5959533A (en) * 1997-05-27 1999-09-28 Pro Tech Monitoring, Inc. Tamper detection for body worn transmitter
US20030062907A1 (en) * 2001-09-28 2003-04-03 Siemens Information And Communication Mobile Llc System and method for detecting the proximity of a body
US20030179098A1 (en) * 2002-03-20 2003-09-25 Ohanes Ghazarian Tamper detection sensor antenna

Also Published As

Publication number Publication date
GB0915182D0 (en) 2009-10-07
GB2473067A (en) 2011-03-02

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: GUIDANCE IP LTD

Free format text: FORMER OWNER: GUIDANCE MONITORING UK LTD

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130901