NL60039C - - Google Patents

Info

Publication number
NL60039C
NL60039C NL60039DA NL60039C NL 60039 C NL60039 C NL 60039C NL 60039D A NL60039D A NL 60039DA NL 60039 C NL60039 C NL 60039C
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 NL60039C publication Critical patent/NL60039C/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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave

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)
NL60039D 1939-12-30 NL60039C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US311723A US2236893A (en) 1939-12-30 1939-12-30 Radiant energy distance determining system

Publications (1)

Publication Number Publication Date
NL60039C true NL60039C (fr)

Family

ID=23208170

Family Applications (1)

Application Number Title Priority Date Filing Date
NL60039D NL60039C (fr) 1939-12-30

Country Status (4)

Country Link
US (1) US2236893A (fr)
FR (1) FR887421A (fr)
GB (1) GB546284A (fr)
NL (1) NL60039C (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433361A (en) * 1940-01-20 1947-12-30 Submarine Signal Co Method and apparatus for echo ranging
GB574965A (en) * 1940-09-09 1946-01-29 Dennis Illingworth Lawson Improvements in or relating to apparatus for determining the distance of an object by means of a reflected radio wave
US2420264A (en) * 1941-05-26 1947-05-06 Rost Helge Fabian Stabilizing means for the control of a frequency modulated ultrashort wave transmitter
US2435569A (en) * 1941-08-05 1948-02-10 Sperry Gyroscope Co Inc Synchronized radio transmission
US2435615A (en) * 1941-09-30 1948-02-10 Board Object detecting and locating system
BE475376A (fr) * 1941-10-15
US2468751A (en) * 1942-01-16 1949-05-03 Sperry Corp Object detecting and locating system
US2436672A (en) * 1943-07-26 1948-02-24 Rca Corp Frequency modulated radio distance measuring system and indicator
US2479568A (en) * 1943-08-19 1949-08-23 Sperry Corp Doppler radar system
US2724817A (en) * 1944-02-01 1955-11-22 Charles A Hisserich Echo ranging system
BE477480A (fr) * 1944-03-20
US2629084A (en) * 1944-04-25 1953-02-17 Carl H Eckart Echo ranging system
US2523455A (en) * 1944-05-30 1950-09-26 Philco Corp Object locating system
US2418538A (en) * 1944-06-30 1947-04-08 Leeds & Northrup Co Measurement of distance by frequency-modulated carrier wave
US2475609A (en) * 1945-01-16 1949-07-12 Raytheon Mfg Co Sending and receiving signaling system
US2962694A (en) * 1945-02-01 1960-11-29 Raytheon Co Ranging system
US2602920A (en) * 1945-08-27 1952-07-08 Rca Corp Radio location and detection arrangement
US2635231A (en) * 1945-12-10 1953-04-14 Hal O Anger Interference reducing pulse echo signaling system
US2612636A (en) * 1946-01-28 1952-09-30 Rca Corp Radio location and detection arrangement
US2518864A (en) * 1946-03-09 1950-08-15 Rca Corp Frequency modulation radar system of superheterodyne type with successive intermediate-frequency signal conversions
US2629865A (en) * 1946-06-13 1953-02-24 Eastern Ind Inc Radio echo apparatus for detecting and measuring the speed of moving objects
US2659882A (en) * 1947-12-03 1953-11-17 William M Barret Method of prospecting with timed electric energy
US2769158A (en) * 1948-03-24 1956-10-30 Westinghouse Electric Corp Distance-measuring echo-wave devices
US2966824A (en) * 1951-04-28 1961-01-03 Gasaccumulator Svenska Ab Distance measuring equipment
US2724828A (en) * 1951-06-30 1955-11-22 Ted E Dunn Frequency modulated radar
US2958862A (en) * 1956-09-21 1960-11-01 Bloom Leonard Radar system with random modulation of frequency or phase
US3176294A (en) * 1959-10-02 1965-03-30 Bendix Corp Vehicle radar system
US3152326A (en) * 1959-10-02 1964-10-06 Bendix Corp Vehicle radar system
DE2950626A1 (de) * 1979-12-15 1981-06-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Dopplerradar-messverfahren und vorrichtung zur durchfuehrung dieses verfahrens

Also Published As

Publication number Publication date
US2236893A (en) 1941-04-01
FR887421A (fr) 1943-11-12
GB546284A (en) 1942-07-06

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