ATE66749T1 - Passives antwortgeraet. - Google Patents

Passives antwortgeraet.

Info

Publication number
ATE66749T1
ATE66749T1 AT87115247T AT87115247T ATE66749T1 AT E66749 T1 ATE66749 T1 AT E66749T1 AT 87115247 T AT87115247 T AT 87115247T AT 87115247 T AT87115247 T AT 87115247T AT E66749 T1 ATE66749 T1 AT E66749T1
Authority
AT
Austria
Prior art keywords
transponder
response device
passive response
aerial elements
avalanches
Prior art date
Application number
AT87115247T
Other languages
English (en)
Inventor
Richard Nicolet
Daniel Koch
Original Assignee
Ebauchesfabrik Eta Ag
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
Priority claimed from CH4205/86A external-priority patent/CH668915A5/fr
Priority claimed from FR8615911A external-priority patent/FR2606957B1/fr
Application filed by Ebauchesfabrik Eta Ag filed Critical Ebauchesfabrik Eta Ag
Application granted granted Critical
Publication of ATE66749T1 publication Critical patent/ATE66749T1/de

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/06—Details
    • H01Q9/065—Microstrip dipole antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength

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)
  • Vending Machines For Individual Products (AREA)
  • Seal Device For Vehicle (AREA)
  • Burglar Alarm Systems (AREA)
AT87115247T 1986-10-22 1987-10-19 Passives antwortgeraet. ATE66749T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH4205/86A CH668915A5 (fr) 1986-10-22 1986-10-22 Transpondeur passif.
FR8615911A FR2606957B1 (fr) 1986-11-13 1986-11-13 Transpondeur passif
EP87115247A EP0268089B1 (de) 1986-10-22 1987-10-19 Passives Antwortgerät

Publications (1)

Publication Number Publication Date
ATE66749T1 true ATE66749T1 (de) 1991-09-15

Family

ID=25694916

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87115247T ATE66749T1 (de) 1986-10-22 1987-10-19 Passives antwortgeraet.

Country Status (3)

Country Link
EP (1) EP0268089B1 (de)
AT (1) ATE66749T1 (de)
DE (1) DE3772523D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA941671B (en) * 1993-03-11 1994-10-12 Csir Attaching an electronic circuit to a substrate.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB692692A (en) * 1947-12-24 1953-06-10 Charles Alexander Vivian Heath Improvements in and relating to radio aerials
FR2311422A1 (fr) * 1975-05-15 1976-12-10 France Etat Doublet replie en plaques
FR2346870A1 (fr) * 1976-04-02 1977-10-28 Mecaniplast Antenne perfectionnee pour la reception des emissions u.h.f.
AT374596B (de) * 1979-04-20 1984-05-10 Enander Bengt Zum auffinden von lawinenopfern dienender, am koerper zu tragender antwortsender
IT1112913B (it) * 1979-05-18 1986-01-20 Eigenmann Ludwig Dispositivo composito per l'esercizio positivo di segnaletica stradale,e metodo per la sua utilizzazione
US4642640A (en) * 1983-04-25 1987-02-10 Sensormatic Electronics Corporation Signal receptor-reradiator and surveillance tag using the same
EP0172445B1 (de) * 1984-07-30 1989-11-08 Asulab S.A. Passiver Transponder, insbesondere zur Suche von Lawinenopfern
CA1223346A (en) * 1984-08-14 1987-06-23 Siltronics Ltd. Antenna

Also Published As

Publication number Publication date
DE3772523D1 (de) 1991-10-02
EP0268089A3 (en) 1988-06-08
EP0268089A2 (de) 1988-05-25
EP0268089B1 (de) 1991-08-28

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee