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GB2374490B - Human Presence interrogation apparatus - Google Patents

Human Presence interrogation apparatus

Info

Publication number
GB2374490B
GB2374490B GB0107520A GB0107520A GB2374490B GB 2374490 B GB2374490 B GB 2374490B GB 0107520 A GB0107520 A GB 0107520A GB 0107520 A GB0107520 A GB 0107520A GB 2374490 B GB2374490 B GB 2374490B
Authority
GB
United Kingdom
Prior art keywords
human presence
interrogation apparatus
presence interrogation
human
interrogation
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
GB0107520A
Other versions
GB0107520D0 (en
GB2374490A (en
Inventor
George Alan Limpkin
Richard Stewart Hallewell
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 GB0107520A priority Critical patent/GB2374490B/en
Publication of GB0107520D0 publication Critical patent/GB0107520D0/en
Publication of GB2374490A publication Critical patent/GB2374490A/en
Application granted granted Critical
Publication of GB2374490B publication Critical patent/GB2374490B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G01S13/767—Responders; Transponders
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • A63B29/021—Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/385—Transceivers carried on the body, e.g. in helmets

Landscapes

  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB0107520A 2001-03-26 2001-03-26 Human Presence interrogation apparatus Expired - Fee Related GB2374490B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0107520A GB2374490B (en) 2001-03-26 2001-03-26 Human Presence interrogation apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0107520A GB2374490B (en) 2001-03-26 2001-03-26 Human Presence interrogation apparatus

Publications (3)

Publication Number Publication Date
GB0107520D0 GB0107520D0 (en) 2001-05-16
GB2374490A GB2374490A (en) 2002-10-16
GB2374490B true GB2374490B (en) 2004-08-25

Family

ID=9911566

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0107520A Expired - Fee Related GB2374490B (en) 2001-03-26 2001-03-26 Human Presence interrogation apparatus

Country Status (1)

Country Link
GB (1) GB2374490B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1977187B (en) * 2004-06-30 2010-05-26 罗伯特·博世有限公司 Method and device for locating a measurement signal through a material

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE527183C2 (en) * 2003-05-13 2006-01-17 Jean Paul Link Access control and location systems
WO2007012031A2 (en) 2005-07-19 2007-01-25 Precision Dynamics Corporation Semi-active rfid tag and related processes
WO2017082814A1 (en) 2015-11-12 2017-05-18 Razer (Asia-Pacific) Pte. Ltd. Watches

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990007803A1 (en) * 1988-12-30 1990-07-12 Checkpoint Systems, Inc. Antenna structure for an electronic article surveillance system
JP2001223520A (en) * 2000-02-09 2001-08-17 Sofueru:Kk Antenna system for electromagnetic wave transmission and reception
GB2368489A (en) * 2000-06-22 2002-05-01 Jeremy Dunkin Using power saving methods and coded transmission in a device for locating missing people/objects, e.g. person buried in avalanche

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990007803A1 (en) * 1988-12-30 1990-07-12 Checkpoint Systems, Inc. Antenna structure for an electronic article surveillance system
JP2001223520A (en) * 2000-02-09 2001-08-17 Sofueru:Kk Antenna system for electromagnetic wave transmission and reception
GB2368489A (en) * 2000-06-22 2002-05-01 Jeremy Dunkin Using power saving methods and coded transmission in a device for locating missing people/objects, e.g. person buried in avalanche

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1977187B (en) * 2004-06-30 2010-05-26 罗伯特·博世有限公司 Method and device for locating a measurement signal through a material

Also Published As

Publication number Publication date
GB0107520D0 (en) 2001-05-16
GB2374490A (en) 2002-10-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060326