GB494564A - Improvements in or relating to direction finding radio receivers - Google Patents

Improvements in or relating to direction finding radio receivers

Info

Publication number
GB494564A
GB494564A GB16597/38A GB1659738A GB494564A GB 494564 A GB494564 A GB 494564A GB 16597/38 A GB16597/38 A GB 16597/38A GB 1659738 A GB1659738 A GB 1659738A GB 494564 A GB494564 A GB 494564A
Authority
GB
United Kingdom
Prior art keywords
pick
mirror
produce
rotated
luminous
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
GB16597/38A
Other languages
English (en)
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 GB494564A publication Critical patent/GB494564A/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)
  • Optical Communication System (AREA)
GB16597/38A 1937-06-24 1938-06-02 Improvements in or relating to direction finding radio receivers Expired GB494564A (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
GB494564A true GB494564A (en) 1938-10-27

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 After (1)

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

Country Status (4)

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

Families Citing this family (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 (fr) 1939-04-06
CH212658A (de) 1940-12-15
GB508139A (en) 1939-06-27
NL51913C (enrdf_load_stackoverflow)

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