GB536454A - Arrangements for changing over to spare amplifiers or oscillators - Google Patents

Arrangements for changing over to spare amplifiers or oscillators

Info

Publication number
GB536454A
GB536454A GB3003839A GB3003839A GB536454A GB 536454 A GB536454 A GB 536454A GB 3003839 A GB3003839 A GB 3003839A GB 3003839 A GB3003839 A GB 3003839A GB 536454 A GB536454 A GB 536454A
Authority
GB
United Kingdom
Prior art keywords
amplifiers
amplifier
output
relay
currents
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
GB3003839A
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.)
ROBERT ALLEN MARTIN
STC PLC
Original Assignee
ROBERT ALLEN MARTIN
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
Priority to BE441726D priority Critical patent/BE441726A/xx
Application filed by ROBERT ALLEN MARTIN, Standard Telephone and Cables PLC filed Critical ROBERT ALLEN MARTIN
Priority to GB3003839A priority patent/GB536454A/en
Publication of GB536454A publication Critical patent/GB536454A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52Circuit arrangements for protecting such amplifiers
    • H03F1/54Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/542Replacing by standby devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Eye Examination Apparatus (AREA)
GB3003839A 1939-11-14 1939-11-14 Arrangements for changing over to spare amplifiers or oscillators Expired GB536454A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE441726D BE441726A (enrdf_load_stackoverflow) 1939-11-14
GB3003839A GB536454A (en) 1939-11-14 1939-11-14 Arrangements for changing over to spare amplifiers or oscillators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3003839A GB536454A (en) 1939-11-14 1939-11-14 Arrangements for changing over to spare amplifiers or oscillators

Publications (1)

Publication Number Publication Date
GB536454A true GB536454A (en) 1941-05-15

Family

ID=10301269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3003839A Expired GB536454A (en) 1939-11-14 1939-11-14 Arrangements for changing over to spare amplifiers or oscillators

Country Status (2)

Country Link
BE (1) BE441726A (enrdf_load_stackoverflow)
GB (1) GB536454A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046147B (de) * 1951-04-09 1958-12-11 Int Standard Electric Corp Wechselstrom-Versorgungsanlage mit Netzanschluss und Ersatzstromquelle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046147B (de) * 1951-04-09 1958-12-11 Int Standard Electric Corp Wechselstrom-Versorgungsanlage mit Netzanschluss und Ersatzstromquelle

Also Published As

Publication number Publication date
BE441726A (enrdf_load_stackoverflow)

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