ES176814A1 - Mejoras en sistemas de transmisión de alta frecuencia - Google Patents

Mejoras en sistemas de transmisión de alta frecuencia

Info

Publication number
ES176814A1
ES176814A1 ES176814A ES176814A ES176814A1 ES 176814 A1 ES176814 A1 ES 176814A1 ES 176814 A ES176814 A ES 176814A ES 176814 A ES176814 A ES 176814A ES 176814 A1 ES176814 A1 ES 176814A1
Authority
ES
Spain
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
ES176814A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES176814A1 publication Critical patent/ES176814A1/es
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
ES176814A 1939-08-03 1947-02-15 Mejoras en sistemas de transmisión de alta frecuencia Expired ES176814A1 (es)

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
ES176814A1 true ES176814A1 (es) 1947-03-16

Family

ID=23105888

Family Applications (1)

Application Number Title Priority Date Filing Date
ES176814A Expired ES176814A1 (es) 1939-08-03 1947-02-15 Mejoras en sistemas de transmisión de alta frecuencia

Country Status (5)

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

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
NL217682A (es) * 1942-12-31
FR948355A (fr) * 1942-12-31 1949-07-29 Western Electric Co Dispositif de couplage utilisables dans les systèmes de transmission d'ondes
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 (es) * 1948-10-04
US2632108A (en) * 1949-07-28 1953-03-17 Rca Corp Diplexer arrangement
BE515436A (es) * 1951-11-10 1900-01-01
NL191136A (es) * 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 (es)
CH262004A (de) 1949-06-15
FR867296A (fr) 1941-10-10

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