FR839554A - Improvements to direct reading direction finders - Google Patents

Improvements to direct reading direction finders

Info

Publication number
FR839554A
FR839554A FR839554DA FR839554A FR 839554 A FR839554 A FR 839554A FR 839554D A FR839554D A FR 839554DA FR 839554 A FR839554 A FR 839554A
Authority
FR
France
Prior art keywords
reading direction
direct reading
direction finders
finders
direct
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)
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
Application granted granted Critical
Publication of FR839554A publication Critical patent/FR839554A/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)
FR839554D 1937-06-24 1938-06-21 Improvements to direct reading direction finders Expired FR839554A (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
FR839554A true FR839554A (en) 1939-04-06

Family

ID=25761190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839554D Expired FR839554A (en) 1937-06-24 1938-06-21 Improvements to direct reading direction finders

Country Status (4)

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

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
CH212658A (en) 1940-12-15
GB508139A (en) 1939-06-27
NL51913C (en)
GB494564A (en) 1938-10-27

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