CH276751A - Device for determining the position of at least one specific object relative to a measuring station. - Google Patents

Device for determining the position of at least one specific object relative to a measuring station.

Info

Publication number
CH276751A
CH276751A CH276751DA CH276751A CH 276751 A CH276751 A CH 276751A CH 276751D A CH276751D A CH 276751DA CH 276751 A CH276751 A CH 276751A
Authority
CH
Switzerland
Prior art keywords
determining
specific object
object relative
measuring station
station
Prior art date
Application number
Other languages
German (de)
Inventor
Societe Technique Pour L Stin
Original Assignee
Stin
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 Stin filed Critical Stin
Publication of CH276751A publication Critical patent/CH276751A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • 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
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/024—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
    • G01S7/025—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects involving the transmission of linearly polarised waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/22—Reflecting surfaces; Equivalent structures functioning also as polarisation filter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H01Q15/242—Polarisation converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
CH276751D 1948-07-06 1949-03-30 Device for determining the position of at least one specific object relative to a measuring station. CH276751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH667037X 1948-07-06

Publications (1)

Publication Number Publication Date
CH276751A true CH276751A (en) 1951-07-31

Family

ID=4527362

Family Applications (1)

Application Number Title Priority Date Filing Date
CH276751D CH276751A (en) 1948-07-06 1949-03-30 Device for determining the position of at least one specific object relative to a measuring station.

Country Status (4)

Country Link
BE (1) BE489994A (en)
CH (1) CH276751A (en)
FR (1) FR990098A (en)
GB (1) GB667037A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977757C (en) * 1962-02-09 1969-11-06 Telefunken Patent Electronic proximity switch
FR2131832A1 (en) * 1971-03-29 1972-11-17 Automatisme Cie Gle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233668A1 (en) * 1973-06-14 1975-01-10 Radiotechnique Compelec Electromagnetic microwave surveillance barrier - frontal dimensions are small and receiver element structure is simplified
US10871550B2 (en) * 2018-08-07 2020-12-22 7hugs Labs SAS Polarization axis attenuation and cross polarization resistant antenna orientation assembly for tracked object

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977757C (en) * 1962-02-09 1969-11-06 Telefunken Patent Electronic proximity switch
FR2131832A1 (en) * 1971-03-29 1972-11-17 Automatisme Cie Gle

Also Published As

Publication number Publication date
GB667037A (en) 1952-02-20
BE489994A (en)
FR990098A (en) 1951-09-17

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