GB477358A - Improvements in or relating to carrier wave electric signalling systems - Google Patents

Improvements in or relating to carrier wave electric signalling systems

Info

Publication number
GB477358A
GB477358A GB1782136A GB1782136A GB477358A GB 477358 A GB477358 A GB 477358A GB 1782136 A GB1782136 A GB 1782136A GB 1782136 A GB1782136 A GB 1782136A GB 477358 A GB477358 A GB 477358A
Authority
GB
United Kingdom
Prior art keywords
sources
source
meter
switching
loads
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
GB1782136A
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
Priority to NL47967D priority Critical patent/NL47967C/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB1782136A priority patent/GB477358A/en
Publication of GB477358A publication Critical patent/GB477358A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
GB1782136A 1936-06-26 1936-06-26 Improvements in or relating to carrier wave electric signalling systems Expired GB477358A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL47967D NL47967C (enrdf_load_stackoverflow) 1936-06-26
GB1782136A GB477358A (en) 1936-06-26 1936-06-26 Improvements in or relating to carrier wave electric signalling systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1782136A GB477358A (en) 1936-06-26 1936-06-26 Improvements in or relating to carrier wave electric signalling systems

Publications (1)

Publication Number Publication Date
GB477358A true GB477358A (en) 1937-12-28

Family

ID=10101805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1782136A Expired GB477358A (en) 1936-06-26 1936-06-26 Improvements in or relating to carrier wave electric signalling systems

Country Status (2)

Country Link
GB (1) GB477358A (enrdf_load_stackoverflow)
NL (1) NL47967C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL47967C (enrdf_load_stackoverflow)

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