GB549453A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
GB549453A
GB549453A GB641741A GB641741A GB549453A GB 549453 A GB549453 A GB 549453A GB 641741 A GB641741 A GB 641741A GB 641741 A GB641741 A GB 641741A GB 549453 A GB549453 A GB 549453A
Authority
GB
United Kingdom
Prior art keywords
circuit
discharge
hsa
gap
impulse
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
GB641741A
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 BE472796D priority Critical patent/BE472796A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB641741A priority patent/GB549453A/en
Publication of GB549453A publication Critical patent/GB549453A/en
Priority to FR939233D priority patent/FR939233A/fr
Priority to CH272113D priority patent/CH272113A/fr
Priority to ES0177692A priority patent/ES177692A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/207—Repeater circuits; Relay circuits using electromagnetic switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
GB641741A 1941-05-19 1941-05-19 Improvements in or relating to electric signalling systems Expired GB549453A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE472796D BE472796A (enrdf_load_stackoverflow) 1941-05-19
GB641741A GB549453A (en) 1941-05-19 1941-05-19 Improvements in or relating to electric signalling systems
FR939233D FR939233A (fr) 1941-05-19 1946-08-26 Perfectionnements aux systèmes de signalisation électrique
CH272113D CH272113A (fr) 1941-05-19 1946-11-21 Dispositif de signalisation.
ES0177692A ES177692A1 (es) 1941-05-19 1947-04-21 Mejoras en o relativas a sistemas eléctricos de senalizacion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB641741A GB549453A (en) 1941-05-19 1941-05-19 Improvements in or relating to electric signalling systems

Publications (1)

Publication Number Publication Date
GB549453A true GB549453A (en) 1942-11-23

Family

ID=27772289

Family Applications (1)

Application Number Title Priority Date Filing Date
GB641741A Expired GB549453A (en) 1941-05-19 1941-05-19 Improvements in or relating to electric signalling systems

Country Status (5)

Country Link
BE (1) BE472796A (enrdf_load_stackoverflow)
CH (1) CH272113A (enrdf_load_stackoverflow)
ES (1) ES177692A1 (enrdf_load_stackoverflow)
FR (1) FR939233A (enrdf_load_stackoverflow)
GB (1) GB549453A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE472796A (enrdf_load_stackoverflow)
CH272113A (fr) 1950-11-30
ES177692A1 (es) 1947-06-01
FR939233A (fr) 1948-11-08

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