SE9003698D0 - Elektroniskt soeksystem - Google Patents

Elektroniskt soeksystem

Info

Publication number
SE9003698D0
SE9003698D0 SE9003698A SE9003698A SE9003698D0 SE 9003698 D0 SE9003698 D0 SE 9003698D0 SE 9003698 A SE9003698 A SE 9003698A SE 9003698 A SE9003698 A SE 9003698A SE 9003698 D0 SE9003698 D0 SE 9003698D0
Authority
SE
Sweden
Prior art keywords
transponder
reflector
transmitter
dielectricum
antenna
Prior art date
Application number
SE9003698A
Other languages
English (en)
Other versions
SE467640B (sv
SE9003698L (sv
Inventor
Hans Loefberg
Jan Eriksson
Original Assignee
Hans Loefberg
Jan Eriksson
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 Hans Loefberg, Jan Eriksson filed Critical Hans Loefberg
Priority to SE9003698A priority Critical patent/SE467640B/sv
Publication of SE9003698D0 publication Critical patent/SE9003698D0/sv
Priority to PCT/SE1991/000785 priority patent/WO1992009906A1/en
Priority to AU90293/91A priority patent/AU9029391A/en
Publication of SE9003698L publication Critical patent/SE9003698L/sv
Publication of SE467640B publication Critical patent/SE467640B/sv

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)
SE9003698A 1990-11-21 1990-11-21 Elektroniskt soeksystem SE467640B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9003698A SE467640B (sv) 1990-11-21 1990-11-21 Elektroniskt soeksystem
PCT/SE1991/000785 WO1992009906A1 (en) 1990-11-21 1991-11-20 Electronic detection system
AU90293/91A AU9029391A (en) 1990-11-21 1991-11-20 Electronic detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9003698A SE467640B (sv) 1990-11-21 1990-11-21 Elektroniskt soeksystem

Publications (3)

Publication Number Publication Date
SE9003698D0 true SE9003698D0 (sv) 1990-11-21
SE9003698L SE9003698L (sv) 1992-05-22
SE467640B SE467640B (sv) 1992-08-17

Family

ID=20380960

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9003698A SE467640B (sv) 1990-11-21 1990-11-21 Elektroniskt soeksystem

Country Status (3)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE508835C2 (sv) 1996-11-26 1998-11-09 Tagmaster Ab Transponder
SE517845C2 (sv) * 2000-12-05 2002-07-23 Ericsson Telefon Ab L M Ett antennarrangemang och en kommunikationsanordning som innefattar ett sådant arrangemang
DE10213769A1 (de) * 2002-03-27 2003-10-23 Tracto Technik Verfahren zur Bestimmung der Position eines Bohrkopfes im Erdreich
SE527183C2 (sv) * 2003-05-13 2006-01-17 Jean Paul Link System för passagekontroll och lokalisering
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 (de) * 1979-04-20 1984-05-10 Enander Bengt Zum auffinden von lawinenopfern dienender, am koerper zu tragender antwortsender
US4656478A (en) * 1984-07-30 1987-04-07 Asulab S.A. Passive transponder for locating avalanche victims
CH668915A5 (fr) * 1986-10-22 1989-02-15 Ebauchesfabrik Eta Ag Transpondeur passif.
FR2609813B1 (fr) * 1987-01-19 1989-03-03 Midi Robois Procede et systeme d'identification et/ou de localisation, et balise pour la mise en oeuvre dudit procede
GB8806455D0 (en) * 1988-03-18 1988-04-20 Gen Electric Co Plc Position determining equipment

Also Published As

Publication number Publication date
WO1992009906A1 (en) 1992-06-11
SE467640B (sv) 1992-08-17
SE9003698L (sv) 1992-05-22
AU9029391A (en) 1992-06-25

Similar Documents

Publication Publication Date Title
DE68921745D1 (de) Antennen-struktur für elektronisches bewachungssystem für gegenstände.
CA2041616A1 (en) Electronic article surveillance system with antenna array for enhanced field falloff
FR2636911B1 (fr) Systeme assurant la securite d'une personne tombee a la mer
SE9003698L (sv) Elektroniskt soeksystem
EP0205225A3 (en) An electromagnetic detection system, as well as a responder for such a system
ATE113426T1 (de) System und verfahren zur ortung einer person oder eines anderen körpers.
ES2108219T3 (es) Alarma para avisar a los usuarios de que, por descuido, han olvidado el telefono celular portatil.
SE8301729D0 (sv) Larmsystem
AR241390A1 (es) Sistema electronico de vigilancia de articulos.
JPS5240183A (en) Abnormal pressure detecting and alarming device
JPS55101068A (en) Article search unit
US5394161A (en) Path finder/tracker system
DE3783964D1 (de) Einrichtung zur freund-feind-identifikation.
JPS56113171A (en) Toner detection device
JPS6460495A (en) Loading calculation and guidance indication device for car ferry
JPS6473276A (en) Relative position detector
JPH04355388A (ja) コーナーリフレクタ装置
JPS55152483A (en) Electromagnetic wave response device
RU93007485A (ru) Поисково-спасательная система
NO894703L (no) Aerosolblandinger og fremgangsmaate for aa oeke lysreflektiviteten for en gjenstand.
DE69804317D1 (de) Sicherungselement für elektronische artikelsicherung
USD202379S (en) Tuning dial escutcheon for a radio receiver or the like
Wang Single antenna FM/CW ground-based microwave scatterometer with changeable polarization
JPS63284904A (ja) 発信機のアンテナ
DAVIS et al. Measurements of ocean surface and bottom backscattering strengths in the northwestern Atlantic Ocean(Final Report)