GB948871A - Device for changing over two generators, particularly carrier-frequency generators in telecommunication systems, and circuit arrangement for the same - Google Patents

Device for changing over two generators, particularly carrier-frequency generators in telecommunication systems, and circuit arrangement for the same

Info

Publication number
GB948871A
GB948871A GB121662D GB121662D GB948871A GB 948871 A GB948871 A GB 948871A GB 121662 D GB121662 D GB 121662D GB 121662 D GB121662 D GB 121662D GB 948871 A GB948871 A GB 948871A
Authority
GB
United Kingdom
Prior art keywords
generator
generators
circuit
relay
jan
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
GB121662D
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.)
STC PLC
Original Assignee
Standard Telephone and Cables 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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB948871A publication Critical patent/GB948871A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Stand-By Power Supply Arrangements (AREA)
GB121662D 1961-01-13 1962-01-12 Device for changing over two generators, particularly carrier-frequency generators in telecommunication systems, and circuit arrangement for the same Expired GB948871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST17343A DE1221295B (de) 1961-01-13 1961-01-13 Verfahren zur phasenrichtigen, von Hand eingeleiteten Umschaltung von einem Hoch- bzw. Tonfrequenz-Generator in Nachrichtenanlagen, besonders von einem Traegerstromgenerator, auf einen Ersatzgenerator

Publications (1)

Publication Number Publication Date
GB948871A true GB948871A (en) 1964-02-05

Family

ID=7457439

Family Applications (1)

Application Number Title Priority Date Filing Date
GB121662D Expired GB948871A (en) 1961-01-13 1962-01-12 Device for changing over two generators, particularly carrier-frequency generators in telecommunication systems, and circuit arrangement for the same

Country Status (5)

Country Link
BE (1) BE612561A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH397012A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1221295B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB948871A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL273438A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE692528C (de) * 1938-08-16 1940-06-21 Aeg Anordnung zweier ausgangsseitig parallel geschalteter Traegerstromgeneratoren fuer Mehrfachuebertragungssysteme
DE864273C (de) * 1942-03-04 1953-01-22 Siemens Ag Anordnung zur selbsttaetigen Umschaltung der Belastung eines Schwingungserzeugers auf einen Ersatzschwingungserzeuger
NL77626C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1947-01-24 1900-01-01
DE946155C (de) * 1951-02-01 1956-07-26 Standard Elek K Ag Anordnung zur UEberwachung der Traegerstromversorgung in traegerfrequenten Nachrichtenuebertragungssystemen
DE1027247B (de) * 1955-02-09 1958-04-03 Standard Elektrik Ag Schaltungsanordnung zur selbsttaetigen Generatorumschaltung in Anlagen der Fernmeldetechnik

Also Published As

Publication number Publication date
BE612561A (nl) 1962-07-12
NL273438A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE1221295B (de) 1966-07-21
CH397012A (de) 1965-08-15

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