NL81624C - - Google Patents

Info

Publication number
NL81624C
NL81624C NL81624DA NL81624C NL 81624 C NL81624 C NL 81624C NL 81624D A NL81624D A NL 81624DA NL 81624 C NL81624 C NL 81624C
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 NL81624C publication Critical patent/NL81624C/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
    • G01S13/00—Systems 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • 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
    • 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
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems

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)
  • Monitoring And Testing Of Transmission In General (AREA)
NL81624D 1944-03-13 NL81624C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US526176A US2504975A (en) 1944-03-13 1944-03-13 Radio pulse type distance measuring system

Publications (1)

Publication Number Publication Date
NL81624C true NL81624C (zh)

Family

ID=24096232

Family Applications (1)

Application Number Title Priority Date Filing Date
NL81624D NL81624C (zh) 1944-03-13

Country Status (7)

Country Link
US (1) US2504975A (zh)
BE (1) BE473040A (zh)
CH (1) CH278628A (zh)
ES (1) ES175942A1 (zh)
FR (1) FR938725A (zh)
GB (1) GB593151A (zh)
NL (1) NL81624C (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632160A (en) * 1949-10-01 1953-03-17 H M R Electronics Inc Radar range system
US2715832A (en) * 1951-04-19 1955-08-23 Phillips Patroleum Company Engine analyzer
US2689949A (en) * 1952-05-15 1954-09-21 Atomic Energy Commission Telementering system
CA591057A (en) * 1953-08-21 1960-01-19 Arthur L. Brockway, Jr. System for reproducing a varying d.c. voltage at a distance
US3026504A (en) * 1956-05-01 1962-03-20 Rca Corp Information transmission system
US3159832A (en) * 1958-09-19 1964-12-01 Jr Jerome R Cox Anti-collision device for aircraft
US3230530A (en) * 1964-03-25 1966-01-18 George H Balding Radar data converter
US4109668A (en) * 1975-12-10 1978-08-29 Malacheski Joseph J Coin counter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1765585A (en) * 1926-09-21 1930-06-24 American Telephone & Telegraph Set for measuring operating time of relays
GB469417A (en) * 1936-01-24 1937-07-26 Marconi Wireless Telegraph Co Improvements in or relating to echo sounding apparatus
US2165690A (en) * 1936-01-27 1939-07-11 Warrington C Wademan Navigation instrument
NL86272B (zh) * 1936-06-20
US2134716A (en) * 1936-10-20 1938-11-01 Gunn Ross Measuring speed and distance by radiant energy
US2250708A (en) * 1936-12-05 1941-07-29 Telefunken Gmbh Time interval measuring means
US2404527A (en) * 1939-05-02 1946-07-23 Potapenko Gennady Electric distance meter
US2287174A (en) * 1939-09-16 1942-06-23 Bell Telephone Labor Inc Relative phase measuring circuit and method
US2391411A (en) * 1941-01-24 1945-12-25 Leo M Harvey Terrain-level altimeter
US2421248A (en) * 1941-05-10 1947-05-27 Allen B Dumont Lab Inc Method of and apparatus for determining absolute altitude
US2359447A (en) * 1942-06-20 1944-10-03 Rca Corp Electrical circuit
BE479411A (zh) * 1943-07-01
US2412111A (en) * 1943-12-30 1946-12-03 Rca Corp Measurement of time between pulses

Also Published As

Publication number Publication date
ES175942A1 (es) 1947-01-01
BE473040A (zh)
US2504975A (en) 1950-04-25
GB593151A (en) 1947-10-09
CH278628A (fr) 1951-10-31
FR938725A (fr) 1948-10-22

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