GB524224A - Improvements in signal transmission systems - Google Patents

Improvements in signal transmission systems

Info

Publication number
GB524224A
GB524224A GB247939A GB247939A GB524224A GB 524224 A GB524224 A GB 524224A GB 247939 A GB247939 A GB 247939A GB 247939 A GB247939 A GB 247939A GB 524224 A GB524224 A GB 524224A
Authority
GB
United Kingdom
Prior art keywords
intermodulation
interference
line
johnson noise
reduced
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
GB247939A
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 FR957764D priority Critical patent/FR957764A/fr
Priority to BE476853D priority patent/BE476853A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB247939A priority patent/GB524224A/en
Publication of GB524224A publication Critical patent/GB524224A/en
Priority to ES0176094A priority patent/ES176094A1/es
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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB247939A 1939-01-24 1939-01-24 Improvements in signal transmission systems Expired GB524224A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR957764D FR957764A (enrdf_load_stackoverflow) 1939-01-24
BE476853D BE476853A (enrdf_load_stackoverflow) 1939-01-24
GB247939A GB524224A (en) 1939-01-24 1939-01-24 Improvements in signal transmission systems
ES0176094A ES176094A1 (es) 1939-01-24 1946-12-14 MEJORAS EN SISTEMAS MULTICANALES DE TRANSMISIoN DE SENALES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB247939A GB524224A (en) 1939-01-24 1939-01-24 Improvements in signal transmission systems

Publications (1)

Publication Number Publication Date
GB524224A true GB524224A (en) 1940-08-01

Family

ID=9740276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB247939A Expired GB524224A (en) 1939-01-24 1939-01-24 Improvements in signal transmission systems

Country Status (4)

Country Link
BE (1) BE476853A (enrdf_load_stackoverflow)
ES (1) ES176094A1 (enrdf_load_stackoverflow)
FR (1) FR957764A (enrdf_load_stackoverflow)
GB (1) GB524224A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR957764A (enrdf_load_stackoverflow) 1950-02-25
BE476853A (enrdf_load_stackoverflow)
ES176094A1 (es) 1947-01-16

Similar Documents

Publication Publication Date Title
GB524224A (en) Improvements in signal transmission systems
GB1176282A (en) Carrier-Wave Line-Transmission Systems
ATE19448T1 (de) Regenerator fuer digitale signale.
US4262355A (en) System for limiting intermodulation distortion of talkspurt signals
GB1226069A (enrdf_load_stackoverflow)
GB535834A (en) Improvements in or relating to wide frequency band amplifier systems
GB519426A (en) Improvements in or relating to multi-channel carrier wave transmission systems
GB1006822A (en) 2 way repeaters
US3811016A (en) Low frequency cut-off compensation system for baseband pulse transmission lines
ES381044A1 (es) Sistema de transmision de senales multiples con repetido- res.
GB563099A (en) Improvements in or relating to repeaters for submarine cables
GB641352A (en) Improvements in or relating to teleprinter exchange systems and equipment therefor
US2387712A (en) Transmission system
GB551293A (en) Improvements in automatic gain control for electrical transmission systems
US1665501A (en) Ampli
GB720893A (en) A multi-channel carrier transmission system provided with an automatic level control
GB762898A (en) Improvements in or relating to carrier-wave telephone transmission systems
US2240140A (en) Distortion reduction in wave transmission
US1405428A (en) Signal-transmitting system
GB1304910A (enrdf_load_stackoverflow)
GB303177A (enrdf_load_stackoverflow)
GB531104A (en) Electric signal transmission systems
GB979825A (en) Amplifier for two way speech transmission
GB454082A (en) Crosstalk reduction in communication systems
GB528513A (en) Improvements in or relating to amplifying systems