NL67699C - - Google Patents

Info

Publication number
NL67699C
NL67699C NL67699DA NL67699C NL 67699 C NL67699 C NL 67699C NL 67699D A NL67699D A NL 67699DA NL 67699 C NL67699 C NL 67699C
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 NL67699C publication Critical patent/NL67699C/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity resonators
    • 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
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating

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)
  • Geophysics And Detection Of Objects (AREA)
NL67699D 1942-07-08 NL67699C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US450226A US2539511A (en) 1942-07-08 1942-07-08 Radar system test equipment

Publications (1)

Publication Number Publication Date
NL67699C true NL67699C (en:Method)

Family

ID=23787259

Family Applications (1)

Application Number Title Priority Date Filing Date
NL67699D NL67699C (en:Method) 1942-07-08

Country Status (4)

Country Link
US (1) US2539511A (en:Method)
FR (1) FR949594A (en:Method)
GB (1) GB599486A (en:Method)
NL (1) NL67699C (en:Method)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838850A (en) * 1943-09-15 1958-06-17 Edward B Stephenson Virtual target for echo ranging apparatus
US2605459A (en) * 1943-10-23 1952-07-29 Jackson H Cook Monitoring apparatus for radio pulse transmission systems
US2652636A (en) * 1946-05-24 1953-09-22 Raymond L Garman Radio echo training system
US2656533A (en) * 1948-10-28 1953-10-20 Westinghouse Electric Corp Performance indicator arrangement for wave energy systems
US2692984A (en) * 1950-08-30 1954-10-26 Sperry Corp Bridge obstruction marker for radar navigation
US2793362A (en) * 1951-04-13 1957-05-21 Svenska Aktiebolaget Gasacumul Reflector system intended for radar purposes
NL238818A (en:Method) * 1959-05-01
US4608571A (en) * 1981-03-26 1986-08-26 Luly Robert A Collapsible parabolic reflector
US4527166A (en) * 1981-03-26 1985-07-02 Luly Robert A Lightweight folding parabolic reflector and antenna system
US4683475A (en) * 1981-07-02 1987-07-28 Luly Robert A Folding dish reflector
JP3493428B2 (ja) * 2000-07-04 2004-02-03 新潟大学長 癌温熱治療装置
CN102508216B (zh) * 2011-10-27 2014-12-24 零八一电子集团有限公司 脉冲测量雷达主要性能指标的自动测试方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB507473A (en) * 1936-09-15 1939-06-14 Otto Bormann Improvements in or relating to coupling devices for use in the production, amplification or reception of ultra-short waves
US2134716A (en) * 1936-10-20 1938-11-01 Gunn Ross Measuring speed and distance by radiant energy
US2253589A (en) * 1938-08-06 1941-08-26 George C Southworth Generation and transmission of high frequency oscillations
US2460827A (en) * 1942-05-04 1949-02-08 Frank C Isely Testing radio echo equipment

Also Published As

Publication number Publication date
FR949594A (fr) 1949-09-02
GB599486A (en) 1948-03-15
US2539511A (en) 1951-01-30

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