FR843159A - Systèmes de transmission - Google Patents

Systèmes de transmission

Info

Publication number: FR843159A
Authority: FR; France
Prior art keywords: transmission systems; systems; transmission
Prior art date: 1937-09-08
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

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.)

1937-09-08

Filing date

1938-09-07

Publication date

1939-06-27

1938-09-07 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1939-06-27 Application granted granted Critical

1939-06-27 Publication of FR843159A publication Critical patent/FR843159A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies

FR843159D 1937-09-08 1938-09-07 Systèmes de transmission Expired FR843159A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US162853A US2159648A (en)	1937-09-08	1937-09-08	Transmission modifying network

Publications (1)

Publication Number	Publication Date
FR843159A true FR843159A (fr)	1939-06-27

Family

ID=22587400

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR843159D Expired FR843159A (fr)	1937-09-08	1938-09-07	Systèmes de transmission

Country Status (2)

Country	Link
US (1)	US2159648A (fr)
FR (1)	FR843159A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2543085A (en) *	1944-04-21	1951-02-27	Int Standard Electric Corp	Wide frequency band antenna
US2422160A (en) *	1944-06-13	1947-06-10	Rca Corp	Variable reactance device for coaxial lines
US2430173A (en) *	1944-10-17	1947-11-04	Richard R Stoddart	Remotely controlled antenna tuning apparatus
US2588831A (en) *	1947-11-20	1952-03-11	Rca Corp	High-frequency energy transfer circuit
US2702342A (en) *	1948-11-20	1955-02-15	Rca Corp	Traffic control by radar
US2775740A (en) *	1950-11-02	1956-12-25	Bell Telephone Labor Inc	Directional coupling systems
NL91134C (fr) *	1951-05-23
US2721309A (en) *	1951-06-18	1955-10-18	Itt	Directional couplers for microwave transmission systems
NL92839C (fr) *	1951-06-18
BE512298A (fr) *	1951-06-22
BE512499A (fr) *	1951-06-30
US2749519A (en) *	1952-03-05	1956-06-05	Itt	Directional couplers for microwave transmission systems
US2769169A (en) *	1952-03-22	1956-10-30	Arthur Leonard Munzig Jr	Dipole impedance matching device
US2784379A (en) *	1952-10-02	1957-03-05	Thompson Prod Inc	Switch for coaxial lines
BE542180A (fr) *	1953-01-21
US2956247A (en) *	1956-01-26	1960-10-11	Sperry Rand Corp	Broad band microwave phase shifter
US3146413A (en) *	1960-08-29	1964-08-25	Sanders Associates Inc	Phase shifter
US3181092A (en) *	1960-10-03	1965-04-27	Zh Denryoku Chuo Keukyujo	Wave trap by parallel sub-conductors
FR1404979A (fr) *	1963-10-11	1965-07-02	Kaman Aircraft Corp	Perfectionnements apportés aux dispositifs dits à discontinuité de courant, c'est-à-dire destinés à interdire la circulation de courant électrique dans un conducteur

1937
- 1937-09-08 US US162853A patent/US2159648A/en not_active Expired - Lifetime
1938
- 1938-09-07 FR FR843159D patent/FR843159A/fr not_active Expired

Also Published As

Publication number	Publication date
US2159648A (en)	1939-05-23

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