FR58517E - Broadband direction finders - Google Patents

Broadband direction finders

Info

Publication number
FR58517E
FR58517E FR58517DA FR58517E FR 58517 E FR58517 E FR 58517E FR 58517D A FR58517D A FR 58517DA FR 58517 E FR58517 E FR 58517E
Authority
FR
France
Prior art keywords
direction finders
broadband direction
broadband
finders
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Henri-Gaston Busignies
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 US481760A external-priority patent/US2434904A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR58517E publication Critical patent/FR58517E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/16—Networks for phase shifting
    • H03H11/20—Two-port phase shifters providing an adjustable phase shift
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/18—Networks for phase shifting
    • H03H7/185—Networks for phase shifting comprising distributed impedance elements together with lumped impedance elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR58517D 1942-12-11 1948-02-26 Broadband direction finders Expired FR58517E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US468668A US2426175A (en) 1942-12-11 1942-12-11 Direction finder
US481760A US2434904A (en) 1943-04-03 1943-04-03 Phase shifting arrangement

Publications (1)

Publication Number Publication Date
FR58517E true FR58517E (en) 1954-01-27

Family

ID=23860742

Family Applications (2)

Application Number Title Priority Date Filing Date
FR951017D Expired FR951017A (en) 1942-12-11 1947-08-05 Broadband direction finders
FR58517D Expired FR58517E (en) 1942-12-11 1948-02-26 Broadband direction finders

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR951017D Expired FR951017A (en) 1942-12-11 1947-08-05 Broadband direction finders

Country Status (6)

Country Link
US (1) US2426175A (en)
BE (1) BE480683A (en)
CH (1) CH270290A (en)
DE (1) DE874033C (en)
FR (2) FR951017A (en)
NL (1) NL69482C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR960665A (en) * 1941-11-29 1950-04-22
US2578966A (en) * 1948-06-14 1951-12-18 Fr Sadir Carpentier Soc Radio-goniometric system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE405522A (en) * 1941-08-01

Also Published As

Publication number Publication date
FR951017A (en) 1949-10-13
NL69482C (en)
DE874033C (en) 1953-04-20
CH270290A (en) 1950-08-31
US2426175A (en) 1947-08-26
BE480683A (en)

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