GB2157112A - A method and a transponder for measuring a distance and identification - Google Patents

A method and a transponder for measuring a distance and identification

Info

Publication number
GB2157112A
GB2157112A GB08512308A GB8512308A GB2157112A GB 2157112 A GB2157112 A GB 2157112A GB 08512308 A GB08512308 A GB 08512308A GB 8512308 A GB8512308 A GB 8512308A GB 2157112 A GB2157112 A GB 2157112A
Authority
GB
United Kingdom
Prior art keywords
transponder
signal
reception
distance
interrogating
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Withdrawn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
GB08512308A
Other versions
GB8512308D0 (en
Inventor
Tore Planke
Njard Hestnes
Richard Klem
Eigil Sorli
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.)
Findit AS
Original Assignee
Findit AS
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 Findit AS filed Critical Findit AS
Publication of GB8512308D0 publication Critical patent/GB8512308D0/en
Publication of GB2157112A publication Critical patent/GB2157112A/en
Withdrawn legal-status Critical Current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
    • G01S13/78—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
    • 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
    • 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
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

A method and a transponder for measurement of distance to and identification of living creatures and/or objects/articles. Prior to reception of an interrogating signal (14-16) a transponder (23m; 38m) is listening intermittently. Upon reception of correct interrogation signal frequency (fo), the transponder will listen continuously over a time space related to the duration of the interrogation signal (14-16) in order to detect a correct enabling code (15) therein, and upon reception thereof, it will respond with a transponder identifying receipt signal (17) of duration equal to a terminal part (16) of the interrogating signal (14-16) and with a second carrier frequency (n x fo). A time-limited activation signal (18; fo) is sent to the transponder which in turn transmits a response signal (19-21; n x fo) having a duration equal to that of the activation signal (18) and may contain encoded information/status (20). The time (ts) between transmission of the activation signal and reception of said response signal is measured in order to calculate the distance between the transponder and interrogating station. Upon repeated measurement of distance from at least two locations, and accurate position of the transponder is determined through intersection point of the measured distances.
GB08512308A 1983-09-30 1984-09-26 A method and a transponder for measuring a distance and identification Withdrawn GB2157112A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO833570A NO833570L (en) 1983-09-30 1983-09-30 MEASURING AND IDENTIFICATION SYSTEM
PCT/NO1984/000039 WO1985001583A1 (en) 1983-09-30 1984-09-26 A method and a transponder for measuring a distance and identification

Publications (2)

Publication Number Publication Date
GB8512308D0 GB8512308D0 (en) 1985-06-19
GB2157112A true GB2157112A (en) 1985-10-16

Family

ID=19887265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08512308A Withdrawn GB2157112A (en) 1983-09-30 1984-09-26 A method and a transponder for measuring a distance and identification

Country Status (14)

Country Link
JP (1) JPS61500040A (en)
AU (1) AU3432084A (en)
BE (1) BE900729A (en)
DE (1) DE3490440T1 (en)
DK (1) DK232585D0 (en)
ES (1) ES8600663A1 (en)
FI (1) FI852041A0 (en)
FR (1) FR2552886A1 (en)
GB (1) GB2157112A (en)
IT (1) IT1221130B (en)
NL (1) NL8420234A (en)
NO (2) NO833570L (en)
SE (1) SE8502627L (en)
WO (1) WO1985001583A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB2368991A (en) * 2000-06-21 2002-05-15 Bath Med Eng Inst Locating articles
GB2384648A (en) * 2002-01-25 2003-07-30 Intellident Ltd Tagging system

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024727A (en) * 1986-10-06 1991-06-18 Bio Medic Data Systems, Inc. Method of forming an animal marker implanting system
US5074318A (en) * 1986-10-06 1991-12-24 Bio Medic Data Systems, Inc. Animal marker
US5002548A (en) * 1986-10-06 1991-03-26 Bio Medic Data Systems, Inc. Animal marker implanting system
US4899158A (en) * 1987-09-26 1990-02-06 Matsushita Electric Works, Ltd. Moving object discriminating system
JPH02196985A (en) * 1989-01-26 1990-08-03 Matsushita Electric Works Ltd Ultrasonic distance measuring instrument
KR920005507B1 (en) * 1989-05-16 1992-07-06 삼성전자 주식회사 Vehicel loading equipment of automatic vehicle chasing system
EP0409016A3 (en) * 1989-07-10 1992-07-01 Csir System and method for locating labelled objects
FI960002A0 (en) * 1996-01-02 1996-01-02 Creativesco Oy Personidentifierare
GB2309132B (en) * 1996-01-11 2000-09-20 Hugh Malcolm Ian Bell Object location system
DE10024474A1 (en) * 2000-05-18 2001-11-29 Siemens Ag Method and device for wireless position and / or position determination of at least one object
DE102007060571A1 (en) 2007-12-15 2009-06-18 Polyic Gmbh & Co. Kg Reader, to read data stored in an organic transponder, transmits a reference signal for the response to set the transmission power to read the data without transponder damage
JP2020109370A (en) * 2019-01-07 2020-07-16 学校法人早稲田大学 Out-of-view obstacle detecting system using frequency conversion
NO346191B1 (en) 2019-09-13 2022-04-11 Ocean Space Acoustics As An acoustic device and method for amplifying and imprinting information on an interrogating signal

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015259A (en) * 1975-05-21 1977-03-29 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for interrogating and identifying fixed or moving targets
US4040053A (en) * 1974-08-16 1977-08-02 U.S. Philips Corporation Transponder system for the transfer of signalling information for rail-bounded vehicles
US4107675A (en) * 1977-03-04 1978-08-15 Sellers John C Transponder-responder system
DE2919753A1 (en) * 1979-05-16 1980-11-27 Bbc Brown Boveri & Cie DEVICE FOR AUTOMATICALLY IDENTIFYING OBJECTS AND / OR LIVING BEINGS
GB2059709A (en) * 1979-09-19 1981-04-23 Marconi Co Ltd Marine transponder system
GB2112254A (en) * 1981-12-14 1983-07-13 Data Dane As A livestock identification system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531801A (en) * 1968-05-29 1970-09-29 Hazeltine Corp Signal processing apparatus
NL145682B (en) * 1970-07-17 1975-04-15 Huygens Christiaan Lab SECONDARY RADAR SYSTEM.
FR2274932A1 (en) * 1974-06-13 1976-01-09 Materiel Telephonique SECONDARY RADAR SYSTEM
GB2112607B (en) * 1981-12-18 1986-01-02 Senelco Ltd Transmitter/responder systems

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040053A (en) * 1974-08-16 1977-08-02 U.S. Philips Corporation Transponder system for the transfer of signalling information for rail-bounded vehicles
US4015259A (en) * 1975-05-21 1977-03-29 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for interrogating and identifying fixed or moving targets
US4107675A (en) * 1977-03-04 1978-08-15 Sellers John C Transponder-responder system
DE2919753A1 (en) * 1979-05-16 1980-11-27 Bbc Brown Boveri & Cie DEVICE FOR AUTOMATICALLY IDENTIFYING OBJECTS AND / OR LIVING BEINGS
GB2059709A (en) * 1979-09-19 1981-04-23 Marconi Co Ltd Marine transponder system
GB2112254A (en) * 1981-12-14 1983-07-13 Data Dane As A livestock identification system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368991A (en) * 2000-06-21 2002-05-15 Bath Med Eng Inst Locating articles
GB2368991B (en) * 2000-06-21 2004-10-20 Bath Med Eng Inst Methods and apparatus for locating articles
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
GB2384648A (en) * 2002-01-25 2003-07-30 Intellident Ltd Tagging system
GB2384648B (en) * 2002-01-25 2007-01-10 Intellident Ltd Tagging system

Also Published As

Publication number Publication date
DK232585A (en) 1985-05-24
DK232585D0 (en) 1985-05-24
IT8412615A0 (en) 1984-09-28
FR2552886A1 (en) 1985-04-05
ES536367A0 (en) 1985-10-16
SE8502627D0 (en) 1985-05-29
GB8512308D0 (en) 1985-06-19
AU3432084A (en) 1985-04-23
FI852041L (en) 1985-05-22
BE900729A (en) 1985-02-01
ES8600663A1 (en) 1985-10-16
SE8502627L (en) 1985-05-29
JPS61500040A (en) 1986-01-09
NO852150L (en) 1985-05-29
WO1985001583A1 (en) 1985-04-11
IT1221130B (en) 1990-06-21
DE3490440T1 (en) 1985-10-17
FI852041A0 (en) 1985-05-22
NO833570L (en) 1985-04-01
NL8420234A (en) 1985-08-01

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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)