FR1148808A - Direction finder operating according to the amplitude comparison method - Google Patents

Direction finder operating according to the amplitude comparison method

Info

Publication number
FR1148808A
FR1148808A FR1148808DA FR1148808A FR 1148808 A FR1148808 A FR 1148808A FR 1148808D A FR1148808D A FR 1148808DA FR 1148808 A FR1148808 A FR 1148808A
Authority
FR
France
Prior art keywords
operating according
comparison method
direction finder
amplitude comparison
finder operating
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1148808A publication Critical patent/FR1148808A/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)
FR1148808D 1955-02-23 1956-02-21 Direction finder operating according to the amplitude comparison method Expired FR1148808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1148808X 1955-02-23

Publications (1)

Publication Number Publication Date
FR1148808A true FR1148808A (en) 1957-12-16

Family

ID=19870348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1148808D Expired FR1148808A (en) 1955-02-23 1956-02-21 Direction finder operating according to the amplitude comparison method

Country Status (3)

Country Link
DE (1) DE1039108B (en)
FR (1) FR1148808A (en)
NL (2) NL86301C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1441556A1 (en) * 1958-12-11 1969-10-02 Algemene Nl Radio Unie N V Ag Slotted tube antenna system for side and elevation bearings
DE1541446B1 (en) * 1966-12-17 1970-07-30 Messerschmitt Boelkow Blohm Arrangement for feeding antennas to determine the direction of radiating or reflecting objects using the amplitude comparison method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE636058C (en) * 1932-09-20 1936-10-01 Lorenz Akt Ges C Device for determining the direction of non-directional wireless high-frequency transmitters
DE723816C (en) * 1937-08-14 1942-08-11 Telefunken Gmbh Direction finder
DE879404C (en) * 1942-10-01 1953-06-11 Telefunken Gmbh Device for spatial direction finding

Also Published As

Publication number Publication date
DE1039108B (en) 1958-09-18
NL86301C (en)
NL195059A (en)

Similar Documents

Publication Publication Date Title
CH338568A (en) Dust extractor
FR1162094A (en) Improvements to steam generators
FR1150184A (en) Dust extractor
FR1148808A (en) Direction finder operating according to the amplitude comparison method
FR1154926A (en) Improvements made to steam generators
FR1149314A (en) Dust extractor
FR1124129A (en) Gearbox
FR1133137A (en) Lancet
FR1157727A (en) Dust extractor
FR1230413A (en) Point corrector
FR1137576A (en) Cycle pedal
FR1132403A (en) Gearbox
CH333772A (en) Vehicle track
FR1127183A (en) Steam separator
CH329695A (en) Dust extractor
FR1122286A (en) Improvements to steam generators
ES49222Y (en) Waste collector
FR1120650A (en) Steam trap
ES49330Y (en) Garbage collector
ES50269Y (en) Travel Parcheesi
BE549032A (en) CYCLIC TELEMEASURES PROCESS.
FR1124209A (en) Advanced gearbox
FR1162070A (en) Improvements to steam desuperheaters
ES51706Y (en) Toy chopper machine
FR1129550A (en) Texed time collector