FR828241A - Phase changing device for directional oscillating radio transmitters or radio receivers or similar apparatus - Google Patents

Phase changing device for directional oscillating radio transmitters or radio receivers or similar apparatus

Info

Publication number
FR828241A
FR828241A FR828241DA FR828241A FR 828241 A FR828241 A FR 828241A FR 828241D A FR828241D A FR 828241DA FR 828241 A FR828241 A FR 828241A
Authority
FR
France
Prior art keywords
radio
changing device
phase changing
similar apparatus
directional oscillating
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
Frans Fransson
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.)
AGA Baltic Radio AB
Original Assignee
AGA Baltic Radio AB
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 AGA Baltic Radio AB filed Critical AGA Baltic Radio AB
Application granted granted Critical
Publication of FR828241A publication Critical patent/FR828241A/en
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR828241D 1936-11-26 1937-10-23 Phase changing device for directional oscillating radio transmitters or radio receivers or similar apparatus Expired FR828241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE503428X 1936-11-26

Publications (1)

Publication Number Publication Date
FR828241A true FR828241A (en) 1938-05-12

Family

ID=20310795

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828241D Expired FR828241A (en) 1936-11-26 1937-10-23 Phase changing device for directional oscillating radio transmitters or radio receivers or similar apparatus

Country Status (3)

Country Link
US (1) US2223513A (en)
FR (1) FR828241A (en)
GB (1) GB503428A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767525C (en) * 1938-10-26 1952-09-29 Telefunken Gmbh Device for feeding a rotating directional antenna system
DE865328C (en) * 1940-01-04 1953-02-02 Aga Baltic Switching device for the periodic phase change in an antenna in a directional antenna system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE481083A (en) * 1945-08-06
US2818550A (en) * 1945-10-01 1957-12-31 Gen Electric Capacitive scanning apparatus
US2782304A (en) * 1952-02-13 1957-02-19 British Tabulating Mach Co Ltd Electrical impulse generators

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767525C (en) * 1938-10-26 1952-09-29 Telefunken Gmbh Device for feeding a rotating directional antenna system
DE865328C (en) * 1940-01-04 1953-02-02 Aga Baltic Switching device for the periodic phase change in an antenna in a directional antenna system

Also Published As

Publication number Publication date
US2223513A (en) 1940-12-03
GB503428A (en) 1939-04-06

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