BE450375A - - Google Patents

Info

Publication number
BE450375A
BE450375A BE450375DA BE450375A BE 450375 A BE450375 A BE 450375A BE 450375D A BE450375D A BE 450375DA BE 450375 A BE450375 A BE 450375A
Authority
BE
Belgium
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 BE450375A publication Critical patent/BE450375A/xx

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/12Light sources with substantially two-dimensional radiating surfaces
    • H05B33/20Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
    • 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
    • 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/32Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
BE450375D 1942-05-01 BE450375A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL617355X 1942-05-01

Publications (1)

Publication Number Publication Date
BE450375A true BE450375A (fr)

Family

ID=19788312

Family Applications (1)

Application Number Title Priority Date Filing Date
BE450375D BE450375A (fr) 1942-05-01

Country Status (6)

Country Link
US (1) US2512330A (fr)
BE (1) BE450375A (fr)
DE (1) DE914631C (fr)
FR (1) FR894353A (fr)
GB (1) GB617355A (fr)
NL (1) NL60855C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR958877A (fr) * 1940-04-12 1950-03-21
US2575759A (en) * 1949-02-07 1951-11-20 William A Higinbotham Counter chronograph
US2714206A (en) * 1951-09-12 1955-07-26 Raytheon Mfg Co Signal reliability indicators
US2726383A (en) * 1951-12-29 1955-12-06 Rca Corp Frequency modulated radio distance measuring system
US2717378A (en) * 1952-08-02 1955-09-06 Raytheon Mfg Co Distance measuring devices
US3089085A (en) * 1959-04-06 1963-05-07 Nuclear Chicago Corp Signal-controlled timer
US3052844A (en) * 1959-08-20 1962-09-04 Gen Motors Corp Double scale phase meter
US3464012A (en) * 1967-02-17 1969-08-26 Webb James E Automatic signal range selector for metering devices
US3758858A (en) * 1970-06-05 1973-09-11 Roberts F Electronic tachometer
JPS54118260A (en) * 1978-03-04 1979-09-13 Nissan Motor Meter apparatus
US4570117A (en) * 1983-09-15 1986-02-11 Bird Electronic Corporation Modular field strength instrument
US5266888A (en) * 1992-02-28 1993-11-30 The Narda Microwave Corp. Wide power range radiation monitor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2206903A (en) * 1940-07-09 Radiant energy distance measuring
US1913148A (en) * 1928-11-17 1933-06-06 Gen Electric Method and means for indicating altitude from aircraft
US2247662A (en) * 1938-11-16 1941-07-01 Bell Telephone Labor Inc Radiant energy distance measuring system
US2421785A (en) * 1939-02-28 1947-06-10 Rca Corp Electric altimeter
US2417032A (en) * 1939-02-28 1947-03-04 Rca Corp Electric altimeter
NL60726C (fr) * 1939-09-01
US2405597A (en) * 1942-11-05 1946-08-13 Bell Telephone Labor Inc Frequency measuring system

Also Published As

Publication number Publication date
FR894353A (fr) 1944-12-21
DE914631C (de) 1954-07-05
NL60855C (fr)
US2512330A (en) 1950-06-20
GB617355A (en) 1949-02-04

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