FR944382A - Systèmes récepteurs radio-électriques pour très hautes fréquences - Google Patents

Systèmes récepteurs radio-électriques pour très hautes fréquences

Info

Publication number
FR944382A
FR944382A FR944382DA FR944382A FR 944382 A FR944382 A FR 944382A FR 944382D A FR944382D A FR 944382DA FR 944382 A FR944382 A FR 944382A
Authority
FR
France
Prior art keywords
radio
high frequencies
receiver systems
electric receiver
electric
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Eric Osborne Willoughby
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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.)
Filing date
Publication date
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR944382A publication Critical patent/FR944382A/fr
Expired legal-status Critical Current

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)
FR944382D 1946-03-15 1947-03-14 Systèmes récepteurs radio-électriques pour très hautes fréquences Expired FR944382A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR944382A true FR944382A (fr) 1949-04-04

Family

ID=10245169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944382D Expired FR944382A (fr) 1946-03-15 1947-03-14 Systèmes récepteurs radio-électriques pour très hautes fréquences

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538188A1 (fr) * 1982-12-16 1984-06-22 Dreuilhe Jacqueline Oscillateur pour tete de radar a effet doppler pour la detection d'objets en mouvement

Families Citing this family (11)

* 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
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
CA2775579C (fr) 2009-10-09 2016-11-22 Volm Companies, Inc. Materiau a mailles ouvertes et sacs qui en sont constitues
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538188A1 (fr) * 1982-12-16 1984-06-22 Dreuilhe Jacqueline Oscillateur pour tete de radar a effet doppler pour la detection d'objets en mouvement

Also Published As

Publication number Publication date
GB613143A (en) 1948-11-23
CH265356A (de) 1949-11-30
NL77658C (fr)
US2586895A (en) 1952-02-26
BE479416A (fr)

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