NL57900C - - Google Patents

Info

Publication number
NL57900C
NL57900C NL57900DA NL57900C NL 57900 C NL57900 C NL 57900C NL 57900D A NL57900D A NL 57900DA NL 57900 C NL57900 C NL 57900C
Authority
NL
Netherlands
Application number
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.)
Publication of NL57900C publication Critical patent/NL57900C/xx

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)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
NL57900D 1937-11-06 NL57900C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR837953T 1937-11-06

Publications (1)

Publication Number Publication Date
NL57900C true NL57900C (xx)

Family

ID=9298836

Family Applications (1)

Application Number Title Priority Date Filing Date
NL57900D NL57900C (xx) 1937-11-06

Country Status (4)

Country Link
US (1) US2263377A (xx)
FR (1) FR837953A (xx)
GB (1) GB519351A (xx)
NL (1) NL57900C (xx)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758709C (de) * 1939-03-14 1953-06-01 Marconi Wireless Telegraph Co Automatischer Peiler
FR959316A (xx) * 1941-01-17 1950-03-29
US2468063A (en) * 1941-04-18 1949-04-26 Int Standard Electric Corp Electromagnetic wave direction indicator
US2468064A (en) * 1941-04-25 1949-04-26 Int Standard Electric Corp Radiogoniometer
US2419671A (en) * 1942-02-26 1947-04-29 Standard Telephones Cables Ltd Direction finding system
US2660721A (en) * 1942-04-09 1953-11-24 Robert M Page Radio echo ranging apparatus
US2617982A (en) * 1942-04-30 1952-11-11 Sperry Corp Radio gun control system
US2779939A (en) * 1942-05-07 1957-01-29 Robert M Page Indicating systems
US2519366A (en) * 1942-05-21 1950-08-22 Maxwell K Goldstein Direction finder
US2869027A (en) * 1942-06-26 1959-01-13 Raytheon Mfg Co Signalling apparatus
US2628350A (en) * 1942-07-27 1953-02-10 Robert M Page Radio frequency energy range and direction finder
US2629866A (en) * 1942-09-19 1953-02-24 Robert M Page Position indicating apparatus
US2422361A (en) * 1943-01-28 1947-06-17 Rca Corp Electronic indicator system
US2438946A (en) * 1943-02-20 1948-04-06 Standard Telephones Cables Ltd Radio direction finding system
US2419219A (en) * 1943-05-25 1947-04-22 Sperry Gyroscope Co Inc Phase responsive circuits
US2416341A (en) * 1943-06-25 1947-02-25 Bell Telephone Labor Inc Pure sinusoidal wave generator
US2431990A (en) * 1943-09-20 1947-12-02 Hazeltine Research Inc Cathode-ray device for indicating the axis of a symmetrical signal
US2431989A (en) * 1943-09-20 1947-12-02 Hazeltine Research Inc Radiated signal direction finder
US2706290A (en) * 1943-09-20 1955-04-12 Fox Benjamin Monitoring system
DE898036C (de) * 1944-01-04 1953-11-26 Svenska Aktiebolag Gasaccumula Vorrichtung zum Messen von Phasenwinkeln, beispielsweise fuer die Bestimmung einer Funkpeilrichtung
US2436447A (en) * 1944-05-23 1948-02-24 Colonial Radio Corp Sweep control for panoramic oscilloscopes
US2476977A (en) * 1944-06-24 1949-07-26 Paul G Hansel Radio direction finder
US2489279A (en) * 1944-08-04 1949-11-29 Standard Telephones Cables Ltd Direction finding system
US2523288A (en) * 1944-08-09 1950-09-26 Standard Telephones Cables Ltd Direction finder system
US2640192A (en) * 1944-09-11 1953-05-26 Standard Telephones Cables Ltd Shiftable directional antenna
US2452388A (en) * 1944-09-20 1948-10-26 Philco Corp Electromagnetic system
US2597895A (en) * 1944-09-23 1952-05-27 Joseph F Novy Remote location and identification system
US2488022A (en) * 1945-02-01 1949-11-15 Rca Corp Radio receiving and indicating system
US2468116A (en) * 1945-03-06 1949-04-26 Standard Telephones Cables Ltd Direction finder
US2441658A (en) * 1945-03-30 1948-05-18 Rca Corp Direction finder
BE468032A (xx) * 1945-05-21
US2543034A (en) * 1945-08-21 1951-02-27 Standard Telephones Cables Ltd Earth inductor compass indicating system
US2483266A (en) * 1945-09-08 1949-09-27 Liquidometer Corp Electron tube type transmitter
US2720645A (en) * 1945-09-14 1955-10-11 Chalmers W Sherwin Off-centered plan position indicator system
US2494553A (en) * 1945-10-16 1950-01-17 Paul G Hansel Direction finding system
US2440639A (en) * 1945-12-05 1948-04-27 Bendix Aviat Corp Electronic distributor
BE478250A (xx) * 1946-07-01
US2840813A (en) * 1947-03-20 1958-06-24 Itt Radio direction finder
US2458634A (en) * 1947-04-16 1949-01-11 Rca Corp Indicating device
US2602924A (en) * 1947-10-23 1952-07-08 Airborne Instr Lab Inc Antenna field pattern measuring system
US2975418A (en) * 1948-12-01 1961-03-14 Itt Direction finding systems
US2728910A (en) * 1949-07-26 1955-12-27 Marconi Wireless Telegraph Co Radio direction finders
US2760055A (en) * 1952-08-20 1956-08-21 Western Electric Co Antenna of ionized air
US3374670A (en) * 1965-04-26 1968-03-26 Maccleaster Schwarz Navigation instrumentation

Also Published As

Publication number Publication date
FR837953A (fr) 1939-02-23
GB519351A (en) 1940-03-21
US2263377A (en) 1941-11-18

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