GB539562A - Electric wave transmission systems - Google Patents

Electric wave transmission systems

Info

Publication number
GB539562A
GB539562A GB7975/40A GB797540A GB539562A GB 539562 A GB539562 A GB 539562A GB 7975/40 A GB7975/40 A GB 7975/40A GB 797540 A GB797540 A GB 797540A GB 539562 A GB539562 A GB 539562A
Authority
GB
United Kingdom
Prior art keywords
network
impedance
response
signals
indicial
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
GB7975/40A
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
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB539562A publication Critical patent/GB539562A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/46Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/14Control of transmission; Equalising characterised by the equalising network used
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/14Control of transmission; Equalising characterised by the equalising network used
    • H04B3/142Control of transmission; Equalising characterised by the equalising network used using echo-equalisers, e.g. transversal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/04Control of transmission; Equalising
    • H04B3/14Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03114Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03127Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals using only passive components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB7975/40A 1939-05-05 1940-05-03 Electric wave transmission systems Expired GB539562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR275027X 1939-05-05

Publications (1)

Publication Number Publication Date
GB539562A true GB539562A (en) 1941-09-16

Family

ID=8886265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7975/40A Expired GB539562A (en) 1939-05-05 1940-05-03 Electric wave transmission systems

Country Status (3)

Country Link
BE (1) BE477227A (it)
CH (1) CH275027A (it)
GB (1) GB539562A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057649B (de) * 1951-11-07 1959-05-21 Ericsson Telefon Ab L M Anordnung zur Erzeugung laengenmodulierter Impulse

Also Published As

Publication number Publication date
CH275027A (fr) 1951-04-30
BE477227A (it)

Similar Documents

Publication Publication Date Title
US4273963A (en) Automatic equalization for digital transmission systems
GB469067A (en) Attenuation equalizers for electric transmission and like systems
US2922965A (en) Aperture equalizer and phase correction for television
US4996497A (en) Cable compensation circuit
WO1999053613A1 (en) Attenuating volume control
US2629024A (en) Unbalanced-to-ground two-to-fourwire connection
US2907838A (en) Electrical equalizers in amplifier circuits
US2900609A (en) Tone compensated loudness control
US2499423A (en) Telephone transmission circuits for coupling input and output devices to a telephone line
US4225834A (en) Equalizing network having a plurality of frequency sensitive attenuation branches in a negative feedback arrangement
Linke A variable time-equalizer for video-frequency waveform correction
GB514567A (en) Improvements in or relating to thermionic amplifiers
US1975709A (en) Electrical transmission device
GB539562A (en) Electric wave transmission systems
US1916187A (en) Electrical attenuating system
US2192959A (en) Tone control system
US2065344A (en) Control means for signal control transmission systems
CN103873005B (zh) 射频信号源及其工作方法
US2812498A (en) Aural attenuators
US1931664A (en) Audio frequency transmission circuits
US3835411A (en) Adjustable equalizing network
GB1128458A (en) Variable gain equalizing networks
US2265042A (en) Attenuation equalizer
US2357405A (en) Audio frequency limiter network
US3706053A (en) Synthesized network for signal transmission