GB317826A - Improvements in or relating to radio direction finding - Google Patents

Improvements in or relating to radio direction finding

Info

Publication number
GB317826A
GB317826A GB25118/29A GB2511829A GB317826A GB 317826 A GB317826 A GB 317826A GB 25118/29 A GB25118/29 A GB 25118/29A GB 2511829 A GB2511829 A GB 2511829A GB 317826 A GB317826 A GB 317826A
Authority
GB
United Kingdom
Prior art keywords
datum line
transmitter
synchronism
sending out
rotating
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
GB25118/29A
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Publication of GB317826A publication Critical patent/GB317826A/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)
  • Radar Systems Or Details Thereof (AREA)

Abstract

317,826. Telefunken Ges. f³r Drahtlose Telegraphie. Aug. 23, 1928, [Convention date]. Synchronism indicators.-A luminous discharge tube L, or other indicating device, rotating with a disc M, in synchronism with a wireless transmitter sending out a rotating beam, glows when signals from the latter reach an aerial A which energizes it through receivers and amplifiers V, and indicates the position of the transmitter with reference to a datum line on the chart K. The transmitter may furnish the datum line also by sending out a non-directional radiation once per revolution when the directional beam is passing a specified direction, say north. The rotation speed of transmitter and receiving indicator may be fast enough to give a continuous impression at the receiver. Phase-shifting means may be provided to shift the received datum line to a definite mark on the scale K, and synchronism may be checked by keeping the received datum line stationary.
GB25118/29A 1928-08-23 1929-08-16 Improvements in or relating to radio direction finding Expired GB317826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE317826X 1928-08-23

Publications (1)

Publication Number Publication Date
GB317826A true GB317826A (en) 1930-05-29

Family

ID=6150886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25118/29A Expired GB317826A (en) 1928-08-23 1929-08-16 Improvements in or relating to radio direction finding

Country Status (1)

Country Link
GB (1) GB317826A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2500552A (en) * 1942-08-13 1950-03-14 Rca Corp Electronic indicator system for radar with spinning antenna or the like
US2531453A (en) * 1945-12-14 1950-11-28 Standard Telephones Cables Ltd Radio beacon system
US2531918A (en) * 1946-01-31 1950-11-28 Decca Record Co Ltd Radio direction indicating device
US2547945A (en) * 1944-01-29 1951-04-10 Sperry Corp System for conveying traffic data to aircraft
US2567193A (en) * 1945-08-07 1951-09-11 Standard Telephones Cables Ltd Indicator for direction finders
US2569758A (en) * 1939-12-06 1951-10-02 Csf Radar system
US2603776A (en) * 1946-07-01 1952-07-15 Harold E Bryan Radio beacon for indicating bearing on vehicles
US2666914A (en) * 1946-02-18 1954-01-19 Chance Britton Radio course indicating system
US2765462A (en) * 1947-09-10 1956-10-02 Onera (Off Nat Aerospatiale) Signaling systems

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569758A (en) * 1939-12-06 1951-10-02 Csf Radar system
US2500552A (en) * 1942-08-13 1950-03-14 Rca Corp Electronic indicator system for radar with spinning antenna or the like
US2547945A (en) * 1944-01-29 1951-04-10 Sperry Corp System for conveying traffic data to aircraft
US2567193A (en) * 1945-08-07 1951-09-11 Standard Telephones Cables Ltd Indicator for direction finders
US2531453A (en) * 1945-12-14 1950-11-28 Standard Telephones Cables Ltd Radio beacon system
US2531918A (en) * 1946-01-31 1950-11-28 Decca Record Co Ltd Radio direction indicating device
US2666914A (en) * 1946-02-18 1954-01-19 Chance Britton Radio course indicating system
US2603776A (en) * 1946-07-01 1952-07-15 Harold E Bryan Radio beacon for indicating bearing on vehicles
US2765462A (en) * 1947-09-10 1956-10-02 Onera (Off Nat Aerospatiale) Signaling systems

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