GB508139A - Improvements in or relating to radio direction finders - Google Patents

Improvements in or relating to radio direction finders

Info

Publication number
GB508139A
GB508139A GB18840/38A GB1884038A GB508139A GB 508139 A GB508139 A GB 508139A GB 18840/38 A GB18840/38 A GB 18840/38A GB 1884038 A GB1884038 A GB 1884038A GB 508139 A GB508139 A GB 508139A
Authority
GB
United Kingdom
Prior art keywords
relating
radio direction
direction finders
finders
radio
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
GB18840/38A
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 GB508139A publication Critical patent/GB508139A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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)
  • Optical Communication System (AREA)
GB18840/38A 1937-06-24 1938-06-24 Improvements in or relating to radio direction finders Expired GB508139A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE212658X 1937-06-24
DE260637X 1937-06-26

Publications (1)

Publication Number Publication Date
GB508139A true GB508139A (en) 1939-06-27

Family

ID=25761190

Family Applications (2)

Application Number Title Priority Date Filing Date
GB16597/38A Expired GB494564A (en) 1937-06-24 1938-06-02 Improvements in or relating to direction finding radio receivers
GB18840/38A Expired GB508139A (en) 1937-06-24 1938-06-24 Improvements in or relating to radio direction finders

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB16597/38A Expired GB494564A (en) 1937-06-24 1938-06-02 Improvements in or relating to direction finding radio receivers

Country Status (4)

Country Link
CH (1) CH212658A (en)
FR (1) FR839554A (en)
GB (2) GB494564A (en)
NL (1) NL51913C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003148A (en) * 1957-10-14 1961-10-03 Koden Seisakusha Kk Direction indicating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003148A (en) * 1957-10-14 1961-10-03 Koden Seisakusha Kk Direction indicating device

Also Published As

Publication number Publication date
FR839554A (en) 1939-04-06
GB494564A (en) 1938-10-27
CH212658A (en) 1940-12-15
NL51913C (en)

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