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FR1138109A - Perfectionnements aux dispositifs de transmission à ondes ultra-courtes - Google Patents

Perfectionnements aux dispositifs de transmission à ondes ultra-courtes

Info

Publication number
FR1138109A
FR1138109A FR1138109DA FR1138109A FR 1138109 A FR1138109 A FR 1138109A FR 1138109D A FR1138109D A FR 1138109DA FR 1138109 A FR1138109 A FR 1138109A
Authority
FR
France
Prior art keywords
ultra
wave transmission
transmission devices
short wave
short
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
John Paterson
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Application granted granted Critical
Publication of FR1138109A publication Critical patent/FR1138109A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
    • H01P5/181—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides
    • H01P5/182—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides the waveguides being arranged in parallel
FR1138109D 1954-12-18 1955-12-16 Perfectionnements aux dispositifs de transmission à ondes ultra-courtes Expired FR1138109A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB36254 1954-12-18

Publications (1)

Publication Number Publication Date
FR1138109A true FR1138109A (fr) 1957-06-11

Family

ID=9703057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1138109D Expired FR1138109A (fr) 1954-12-18 1955-12-16 Perfectionnements aux dispositifs de transmission à ondes ultra-courtes

Country Status (2)

Country Link
DE (1) DE1024591B (fr)
FR (1) FR1138109A (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512191A (en) * 1946-01-07 1950-06-20 Nasa Broad band directional coupler
US2684469A (en) * 1949-06-23 1954-07-20 Sperry Corp Mode selective attenuator

Also Published As

Publication number Publication date
DE1024591B (de) 1958-02-20

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