FR890737A - Improvements to systems for adapting a tubular line to a determined impedance - Google Patents

Improvements to systems for adapting a tubular line to a determined impedance

Info

Publication number
FR890737A
FR890737A FR890737DA FR890737A FR 890737 A FR890737 A FR 890737A FR 890737D A FR890737D A FR 890737DA FR 890737 A FR890737 A FR 890737A
Authority
FR
France
Prior art keywords
adapting
systems
determined impedance
tubular line
tubular
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR890737A publication Critical patent/FR890737A/en
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
    • H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
FR890737D 1942-03-20 1943-02-04 Improvements to systems for adapting a tubular line to a determined impedance Expired FR890737A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE890737X 1942-03-20

Publications (1)

Publication Number Publication Date
FR890737A true FR890737A (en) 1944-02-16

Family

ID=6840167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890737D Expired FR890737A (en) 1942-03-20 1943-02-04 Improvements to systems for adapting a tubular line to a determined impedance

Country Status (1)

Country Link
FR (1) FR890737A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945707C (en) * 1953-07-17 1956-07-12 Telefunken Gmbh Arrangement for impedance transformation
DE972492C (en) * 1953-12-22 1959-07-30 Siemens Ag Arrangement for adapting the input and / or output of an electron tube for very short waves to a hollow pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945707C (en) * 1953-07-17 1956-07-12 Telefunken Gmbh Arrangement for impedance transformation
DE972492C (en) * 1953-12-22 1959-07-30 Siemens Ag Arrangement for adapting the input and / or output of an electron tube for very short waves to a hollow pipe

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