FR867296A - High frequency transmission systems - Google Patents

High frequency transmission systems

Info

Publication number
FR867296A
FR867296A FR867296DA FR867296A FR 867296 A FR867296 A FR 867296A FR 867296D A FR867296D A FR 867296DA FR 867296 A FR867296 A FR 867296A
Authority
FR
France
Prior art keywords
high frequency
transmission systems
frequency transmission
systems
transmission
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
French (fr)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867296A publication Critical patent/FR867296A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
    • H03H7/487—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source particularly adapted as coupling circuit between transmitters and antennas
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transmitters (AREA)
FR867296D 1939-08-03 1940-09-24 High frequency transmission systems Expired FR867296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US288134A US2244756A (en) 1939-08-03 1939-08-03 Modulation system

Publications (1)

Publication Number Publication Date
FR867296A true FR867296A (en) 1941-10-10

Family

ID=23105888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867296D Expired FR867296A (en) 1939-08-03 1940-09-24 High frequency transmission systems

Country Status (5)

Country Link
US (1) US2244756A (en)
BE (1) BE456046A (en)
CH (1) CH262004A (en)
ES (1) ES176814A1 (en)
FR (1) FR867296A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735982A (en) * 1956-02-21 Radio frequency power comparator
US2492138A (en) * 1940-02-23 1949-12-27 Int Standard Electric Corp Mechanical modulator for radio beacons utilizing two tones
US2416790A (en) * 1941-01-28 1947-03-04 Sperry Gyroscope Co Inc Transmission line bridge circuit
GB581734A (en) * 1941-04-04 1946-10-23 Sperry Gyroscope Co Inc Improvements in or relating to instrument landing systems for aircraft
US2426992A (en) * 1942-05-27 1947-09-09 Sperry Gyroscope Co Inc Glide path transmitter
US2439255A (en) * 1942-09-09 1948-04-06 Gen Electric Capacitor switch
FR948355A (en) * 1942-12-31 1949-07-29 Western Electric Co Coupling device usable in wave transmission systems
NL217682A (en) * 1942-12-31
US2415242A (en) * 1943-02-25 1947-02-04 Rca Corp Switching in wave guide transmission system
US2415932A (en) * 1943-04-21 1947-02-18 Rca Corp Antenna system
US2594409A (en) * 1943-07-27 1952-04-29 Bell Telephone Labor Inc Directive antenna
US2425328A (en) * 1944-08-01 1947-08-12 Frederic A Jenks Switching and modulation system
US2449451A (en) * 1944-09-28 1948-09-14 Westinghouse Electric Corp High-frequency dielectric heating apparatus
US2531777A (en) * 1945-10-24 1950-11-28 John N Marshall Variable directive coupler
BE491490A (en) * 1948-10-04
US2632108A (en) * 1949-07-28 1953-03-17 Rca Corp Diplexer arrangement
IT500059A (en) * 1951-11-10 1900-01-01
NL191136A (en) * 1953-10-01
US2831168A (en) * 1954-01-04 1958-04-15 Gen Electric Coupling device for wave transmission systems
GB770317A (en) * 1954-07-15 1957-03-20 Gen Electric Co Ltd Improvements in or relating to electric hybrid devices
US2959659A (en) * 1957-08-19 1960-11-08 Alford Andrew Electromagnetic heating unit
US3113314A (en) * 1960-09-01 1963-12-03 Forrest G Yetter Radio guidance and landing system
US3516025A (en) * 1968-12-19 1970-06-02 Adams Russel Co Inc Wide band hybrid coupler having an open end transmission line section coupled to each part
US4721929A (en) * 1986-10-17 1988-01-26 Ball Corporation Multi-stage power divider
US9088063B1 (en) 2015-03-11 2015-07-21 Werlatone, Inc. Hybrid coupler

Also Published As

Publication number Publication date
US2244756A (en) 1941-06-10
BE456046A (en)
CH262004A (en) 1949-06-15
ES176814A1 (en) 1947-03-16

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