FR2264290A1 - - Google Patents

Info

Publication number
FR2264290A1
FR2264290A1 FR7408255A FR7408255A FR2264290A1 FR 2264290 A1 FR2264290 A1 FR 2264290A1 FR 7408255 A FR7408255 A FR 7408255A FR 7408255 A FR7408255 A FR 7408255A FR 2264290 A1 FR2264290 A1 FR 2264290A1
Authority
FR
France
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.)
Granted
Application number
FR7408255A
Other languages
French (fr)
Other versions
FR2264290B1 (de
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7408255A priority Critical patent/FR2264290B1/fr
Priority to GB992575A priority patent/GB1490918A/en
Priority to IT4853075A priority patent/IT1032250B/it
Priority to DE19752510598 priority patent/DE2510598C3/de
Priority to SU752109236A priority patent/SU912061A3/ru
Publication of FR2264290A1 publication Critical patent/FR2264290A1/fr
Application granted granted Critical
Publication of FR2264290B1 publication Critical patent/FR2264290B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/242—Circumferential scanning
    • 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
FR7408255A 1974-03-12 1974-03-12 Expired FR2264290B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7408255A FR2264290B1 (de) 1974-03-12 1974-03-12
GB992575A GB1490918A (en) 1974-03-12 1975-03-10 Radio direction-finding receiver system
IT4853075A IT1032250B (it) 1974-03-12 1975-03-10 Sistema rioevitore di radiogonio metria
DE19752510598 DE2510598C3 (de) 1974-03-12 1975-03-11 Funkpeilempfangsanlage
SU752109236A SU912061A3 (ru) 1974-03-12 1975-03-11 Бортовой радиопеленгатор

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7408255A FR2264290B1 (de) 1974-03-12 1974-03-12

Publications (2)

Publication Number Publication Date
FR2264290A1 true FR2264290A1 (de) 1975-10-10
FR2264290B1 FR2264290B1 (de) 1979-07-06

Family

ID=9136145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408255A Expired FR2264290B1 (de) 1974-03-12 1974-03-12

Country Status (4)

Country Link
FR (1) FR2264290B1 (de)
GB (1) GB1490918A (de)
IT (1) IT1032250B (de)
SU (1) SU912061A3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179601A2 (de) * 1984-10-17 1986-04-30 British Gas Corporation Verfahren zur Vermessung mittels Mikrowellenreflexion

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU532289B2 (en) * 1978-12-21 1983-09-22 Sony Corporation Segmented loop antenna system
JPS59108404A (ja) * 1982-12-14 1984-06-22 Taiyo Musen Kk 方向探知機の空中線装置
JPS60147666A (ja) * 1984-01-13 1985-08-03 Taiyo Musen Kk 方向探知機の空中線装置
GB8426246D0 (en) * 1984-10-17 1984-11-21 British Gas Corp Microwave reflection survey equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179601A2 (de) * 1984-10-17 1986-04-30 British Gas Corporation Verfahren zur Vermessung mittels Mikrowellenreflexion
EP0179601A3 (en) * 1984-10-17 1987-05-20 British Gas Corporation Microwave reflection survey equipment and technique
US4728897A (en) * 1984-10-17 1988-03-01 British Gas Corporation Microwave reflection survey technique for determining depth and orientation of buried objects

Also Published As

Publication number Publication date
SU912061A3 (ru) 1982-03-07
DE2510598A1 (de) 1975-09-18
GB1490918A (en) 1977-11-02
IT1032250B (it) 1979-05-30
DE2510598B2 (de) 1977-06-08
FR2264290B1 (de) 1979-07-06

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse