NL56691C - - Google Patents

Info

Publication number
NL56691C
NL56691C NL56691DA NL56691C NL 56691 C NL56691 C NL 56691C NL 56691D A NL56691D A NL 56691DA NL 56691 C NL56691 C NL 56691C
Authority
NL
Netherlands
Application number
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.)
Publication of NL56691C publication Critical patent/NL56691C/xx

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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
NL56691D 1941-10-20 NL56691C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL233043X 1941-10-20

Publications (1)

Publication Number Publication Date
NL56691C true NL56691C (fi)

Family

ID=19780091

Family Applications (1)

Application Number Title Priority Date Filing Date
NL56691D NL56691C (fi) 1941-10-20

Country Status (4)

Country Link
BE (1) BE447592A (fi)
CH (1) CH233043A (fi)
FR (1) FR885987A (fi)
NL (1) NL56691C (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775657A (en) * 1951-04-19 1956-12-25 Hartford Nat Bank & Trust Co Dual channel amplifying circuit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE921482C (de) * 1951-09-19 1954-12-20 Rudolf Sigerist Heizkessel fuer Sammelheizungsanlagen mit Vorrichtung zur Verkleinerung des Feuerraumes
NL106149C (fi) * 1955-05-07
DE1035223B (de) * 1956-03-17 1958-07-31 Pintsch Electro Gmbh Anordnung zur automatischen Umschaltung auf ein Reservegeraet bei Funkverbindungen
BE609595A (fi) * 1960-10-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775657A (en) * 1951-04-19 1956-12-25 Hartford Nat Bank & Trust Co Dual channel amplifying circuit

Also Published As

Publication number Publication date
FR885987A (fr) 1943-09-30
CH233043A (de) 1944-06-30
BE447592A (fi)

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