FR42985E - Dispositifs commutateurs pour lignes de transmission à hautes fréquences - Google Patents

Dispositifs commutateurs pour lignes de transmission à hautes fréquences

Info

Publication number
FR42985E
FR42985E FR42985DA FR42985E FR 42985 E FR42985 E FR 42985E FR 42985D A FR42985D A FR 42985DA FR 42985 E FR42985 E FR 42985E
Authority
FR
France
Prior art keywords
high frequency
transmission lines
switching devices
frequency transmission
switching
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)
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 FR42985E publication Critical patent/FR42985E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/10—Auxiliary devices for switching or interrupting
    • H01P1/12—Auxiliary devices for switching or interrupting by mechanical chopper
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/48—Transmit/receive switching in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR42985D 1930-07-14 1932-10-01 Dispositifs commutateurs pour lignes de transmission à hautes fréquences Expired FR42985E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2126030A GB358917A (en) 1930-07-14 1930-07-14 Improvements in or relating to high-frequency transmission systems

Publications (1)

Publication Number Publication Date
FR42985E true FR42985E (fr) 1934-01-16

Family

ID=10159903

Family Applications (2)

Application Number Title Priority Date Filing Date
FR717399D Expired FR717399A (fr) 1930-07-14 1931-05-20 Dispositifs commutateurs pour lignes de transmission à hautes fréquences
FR42985D Expired FR42985E (fr) 1930-07-14 1932-10-01 Dispositifs commutateurs pour lignes de transmission à hautes fréquences

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR717399D Expired FR717399A (fr) 1930-07-14 1931-05-20 Dispositifs commutateurs pour lignes de transmission à hautes fréquences

Country Status (4)

Country Link
DE (1) DE624757C (fr)
FR (2) FR717399A (fr)
GB (1) GB358917A (fr)
NL (1) NL35341C (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754630C (de) * 1934-01-27 1953-06-08 Marconi Wireless Telegraph Co Einrichtung zur abwechselnden Freigabe und Sperrung der Energieuebertragung auf einer Hochfrequenzleitung
US2688746A (en) * 1940-03-29 1954-09-07 Radar Inc Impedance control coupling and decoupling system
US2439387A (en) * 1941-11-28 1948-04-13 Sperry Corp Electronic tuning control
US2611079A (en) * 1942-07-27 1952-09-16 Arthur A Verela Duplexing device for transceiver antenna systems
US2580389A (en) * 1942-11-20 1952-01-01 Rca Corp Antenna filter
US2809285A (en) * 1943-04-21 1957-10-08 Rca Corp Antenna duplexing
US2415933A (en) * 1943-05-01 1947-02-18 Rca Corp Antenna system
US2419564A (en) * 1943-06-10 1947-04-29 Gen Electric Radio transmitter-receiver switching system
US2552489A (en) * 1943-06-24 1951-05-08 James L Lawson Method and apparatus for adjusting radio echo detection systems
US2603744A (en) * 1945-09-14 1952-07-15 Roland W Larson Tuning mechanism
US2611858A (en) * 1948-04-22 1952-09-23 Hallicrafters Co Tuning apparatus for electronic equipment
DE972113C (de) * 1951-04-08 1959-05-21 Pintsch Electro G M B H Elektrische Weiche
NL191136A (fr) * 1953-10-01

Also Published As

Publication number Publication date
NL35341C (fr)
DE624757C (de) 1936-01-28
GB358917A (en) 1931-10-14
FR717399A (fr) 1932-01-07

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