AU9029391A - Electronic detection system - Google Patents

Electronic detection system

Info

Publication number
AU9029391A
AU9029391A AU90293/91A AU9029391A AU9029391A AU 9029391 A AU9029391 A AU 9029391A AU 90293/91 A AU90293/91 A AU 90293/91A AU 9029391 A AU9029391 A AU 9029391A AU 9029391 A AU9029391 A AU 9029391A
Authority
AU
Australia
Prior art keywords
detection system
electronic detection
electronic
detection
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
AU90293/91A
Inventor
Jan Eriksson
Hans Lofberg
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
Publication of AU9029391A publication Critical patent/AU9029391A/en
Abandoned 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
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/753—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using frequency selective elements, e.g. resonator

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU90293/91A 1990-11-21 1991-11-20 Electronic detection system Abandoned AU9029391A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9003698A SE467640B (en) 1990-11-21 1990-11-21 ELECTRONIC SEARCH SYSTEM
SE9003698 1990-11-21

Publications (1)

Publication Number Publication Date
AU9029391A true AU9029391A (en) 1992-06-25

Family

ID=20380960

Family Applications (1)

Application Number Title Priority Date Filing Date
AU90293/91A Abandoned AU9029391A (en) 1990-11-21 1991-11-20 Electronic detection system

Country Status (3)

Country Link
AU (1) AU9029391A (en)
SE (1) SE467640B (en)
WO (1) WO1992009906A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE508835C2 (en) * 1996-11-26 1998-11-09 Tagmaster Ab transponder
SE517845C2 (en) * 2000-12-05 2002-07-23 Ericsson Telefon Ab L M An antenna arrangement and a communication device comprising such an arrangement
DE10213769A1 (en) * 2002-03-27 2003-10-23 Tracto Technik Procedure for determining the position of a drill head in the ground
SE527183C2 (en) * 2003-05-13 2006-01-17 Jean Paul Link Access control and location systems
US11415667B2 (en) * 2019-02-06 2022-08-16 The Boeing Company Signaling device for passively transmitting signals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT374596B (en) * 1979-04-20 1984-05-10 Enander Bengt TO FIND AVALANCHE VICTIMS, ANSWERS TO BE WEARED ON THE BODY
US4656478A (en) * 1984-07-30 1987-04-07 Asulab S.A. Passive transponder for locating avalanche victims
CH668915A5 (en) * 1986-10-22 1989-02-15 Ebauchesfabrik Eta Ag PASSIVE TRANSPONDER.
FR2609813B1 (en) * 1987-01-19 1989-03-03 Midi Robois IDENTIFICATION AND / OR LOCATION METHOD AND SYSTEM, AND BEACON FOR IMPLEMENTING SAID METHOD
GB8806455D0 (en) * 1988-03-18 1988-04-20 Gen Electric Co Plc Position determining equipment

Also Published As

Publication number Publication date
SE9003698L (en) 1992-05-22
SE9003698D0 (en) 1990-11-21
SE467640B (en) 1992-08-17
WO1992009906A1 (en) 1992-06-11

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