NL77658C - - Google Patents

Info

Publication number
NL77658C
NL77658C NL77658DA NL77658C NL 77658 C NL77658 C NL 77658C NL 77658D A NL77658D A NL 77658DA NL 77658 C NL77658 C NL 77658C
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 NL77658C publication Critical patent/NL77658C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1408—Balanced arrangements with diodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/247—Supports; Mounting means by structural association with other equipment or articles with receiving set with frequency mixer, e.g. for direct satellite reception or Doppler radar
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H01Q13/18—Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
NL77658D 1946-03-15 NL77658C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB265356X 1946-03-15

Publications (1)

Publication Number Publication Date
NL77658C true NL77658C (en:Method)

Family

ID=10245169

Family Applications (1)

Application Number Title Priority Date Filing Date
NL77658D NL77658C (en:Method) 1946-03-15

Country Status (6)

Country Link
US (1) US2586895A (en:Method)
BE (1) BE479416A (en:Method)
CH (1) CH265356A (en:Method)
FR (1) FR944382A (en:Method)
GB (1) GB613143A (en:Method)
NL (1) NL77658C (en:Method)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781512A (en) * 1951-12-05 1957-02-12 Jr Ralph O Robinson Cylindrical notch antenna
US2778016A (en) * 1953-01-23 1957-01-15 Gabriel Co Wave guide antenna
US2957172A (en) * 1958-09-05 1960-10-18 James E Howell Dual band slot antenna
US3246245A (en) * 1961-06-05 1966-04-12 Edwin M Turner Combined antenna and converter circuit
US3171086A (en) * 1962-09-10 1965-02-23 Horst W A Gerlach Traveling wave amplifier and oscillator with tunnel diodes
US3175218A (en) * 1963-03-01 1965-03-23 Hughes Aircraft Co Variable electronic slot coupler
GB2113476B (en) * 1982-01-15 1985-07-03 Marconi Co Ltd Antenna arrangement
FR2538188B1 (fr) * 1982-12-16 1988-07-15 Dreuilhe Jacqueline Oscillateur pour tete de radar a effet doppler pour la detection d'objets en mouvement
US4531130A (en) * 1983-06-15 1985-07-23 Sanders Associates, Inc. Crossed tee-fed slot antenna
GB9410557D0 (en) * 1994-05-26 1994-07-13 Schlumberger Ind Ltd Radio antennae
BR122014000893B1 (pt) 2009-10-09 2021-08-31 Volm Companies, Inc Bolsa de formação, preenchimento e vedação
JPWO2016121375A1 (ja) * 2015-01-26 2017-11-24 日本電気株式会社 周波数選択表面、無線通信装置およびレーダ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402622A (en) * 1940-11-26 1946-06-25 Univ Leland Stanford Junior Radiating electromagnetic wave guide
GB582708A (en) * 1942-04-03 1946-11-26 Standard Telephones Cables Ltd Improvements in arrangements for obstacle detection and measurement of distances by electromagnetic waves
US2412003A (en) * 1942-06-16 1946-12-03 Neufeld Jacob Navigational method and apparatus
US2414266A (en) * 1942-06-27 1947-01-14 Rca Corp Antenna
US2433804A (en) * 1943-04-23 1947-12-30 Rca Corp Frequency-modulated pulse radio locating system
US2424796A (en) * 1943-10-28 1947-07-29 Rca Corp Superheterodyne radio altimeter or locator

Also Published As

Publication number Publication date
GB613143A (en) 1948-11-23
FR944382A (fr) 1949-04-04
CH265356A (de) 1949-11-30
US2586895A (en) 1952-02-26
BE479416A (en:Method)

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