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

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL77658C true NL77658C (fr)

Family

ID=10245169

Family Applications (1)

Application Number Title Priority Date Filing Date
NL77658D NL77658C (fr) 1946-03-15

Country Status (6)

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

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
PL2486178T3 (pl) 2009-10-09 2018-12-31 Starlinger & Co Gesellschaft M.B.H. Torby wykonane z materiału siatkowego
US10739437B2 (en) * 2015-01-26 2020-08-11 Nec Corporation Frequency selective surface, wireless communication device, and radar device

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

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