GB727442A - Four-terminal impedance network with variable attenuation - Google Patents

Four-terminal impedance network with variable attenuation

Info

Publication number
GB727442A
GB727442A GB6872/53A GB687253A GB727442A GB 727442 A GB727442 A GB 727442A GB 6872/53 A GB6872/53 A GB 6872/53A GB 687253 A GB687253 A GB 687253A GB 727442 A GB727442 A GB 727442A
Authority
GB
United Kingdom
Prior art keywords
network
values
networks
impedance
series
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
GB6872/53A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB727442A publication Critical patent/GB727442A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • H04B3/145—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers variable equalisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
GB6872/53A 1952-03-12 1953-03-12 Four-terminal impedance network with variable attenuation Expired GB727442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE727442X 1952-03-12

Publications (1)

Publication Number Publication Date
GB727442A true GB727442A (en) 1955-03-30

Family

ID=20316163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6872/53A Expired GB727442A (en) 1952-03-12 1953-03-12 Four-terminal impedance network with variable attenuation

Country Status (6)

Country Link
US (1) US2782378A (US06265458-20010724-C00056.png)
BE (1) BE518323A (US06265458-20010724-C00056.png)
FR (1) FR1072907A (US06265458-20010724-C00056.png)
GB (1) GB727442A (US06265458-20010724-C00056.png)
NL (1) NL176718B (US06265458-20010724-C00056.png)
NO (1) NO86475A (US06265458-20010724-C00056.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926314A (en) * 1956-07-23 1960-02-23 Itt Adjustable equalizer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1836844A (en) * 1928-10-03 1931-12-15 Bell Telephone Labor Inc Distortion correction in transmission systems
US2096027A (en) * 1936-01-30 1937-10-19 Bell Telephone Labor Inc Attenuation equalizer
US2362359A (en) * 1942-10-07 1944-11-07 Bell Telephone Labor Inc Attenuation regulator
US2348572A (en) * 1943-02-20 1944-05-09 Bell Telephone Labor Inc Variable attenuation network
US2682037A (en) * 1950-09-08 1954-06-22 Bell Telephone Labor Inc Equalizer

Also Published As

Publication number Publication date
NO86475A (US06265458-20010724-C00056.png)
NL176718B (nl)
FR1072907A (fr) 1954-09-16
BE518323A (US06265458-20010724-C00056.png)
US2782378A (en) 1957-02-19

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