FR822799A - Carrier wave transmission systems - Google Patents

Carrier wave transmission systems

Info

Publication number
FR822799A
FR822799A FR822799DA FR822799A FR 822799 A FR822799 A FR 822799A FR 822799D A FR822799D A FR 822799DA FR 822799 A FR822799 A FR 822799A
Authority
FR
France
Prior art keywords
carrier wave
wave transmission
transmission systems
systems
carrier
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.)
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 FR822799A publication Critical patent/FR822799A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/542—Replacing by standby devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Phase Differences (AREA)
FR822799D 1936-06-26 1937-06-08 Carrier wave transmission systems Expired FR822799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB205684X 1936-06-26

Publications (1)

Publication Number Publication Date
FR822799A true FR822799A (en) 1938-01-07

Family

ID=10148062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822799D Expired FR822799A (en) 1936-06-26 1937-06-08 Carrier wave transmission systems

Country Status (3)

Country Link
CH (1) CH205684A (en)
DE (1) DE731199C (en)
FR (1) FR822799A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE946155C (en) * 1951-02-01 1956-07-26 Standard Elek K Ag Arrangement for monitoring the carrier power supply in carrier-frequency message transmission systems
DE1039760B (en) * 1953-02-18 1958-09-25 Kinowerke Dresden Veb Arrangement for switching sound film amplifier inputs
NL97476C (en) * 1956-03-22 1900-01-01
FR2465305A1 (en) * 1979-09-14 1981-03-20 Thomson Csf Radio equipment electromagnetic switch - selectively connects one of normal and emergency telephone traffic terminal to user circuit and other to dummy load

Also Published As

Publication number Publication date
CH205684A (en) 1939-06-30
DE731199C (en) 1943-02-04

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