GB1241304A - Improvements in or relating to telecommunication systems - Google Patents

Improvements in or relating to telecommunication systems

Info

Publication number
GB1241304A
GB1241304A GB50515/68A GB5051568A GB1241304A GB 1241304 A GB1241304 A GB 1241304A GB 50515/68 A GB50515/68 A GB 50515/68A GB 5051568 A GB5051568 A GB 5051568A GB 1241304 A GB1241304 A GB 1241304A
Authority
GB
United Kingdom
Prior art keywords
attenuators
signals
line
signal
compander
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
GB50515/68A
Other languages
English (en)
Inventor
Wilmer Barseau Gaunt Jr
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1241304A publication Critical patent/GB1241304A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/62—Two-way amplifiers
    • H03F3/64—Two-way amplifiers with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transceivers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
GB50515/68A 1967-10-26 1968-10-24 Improvements in or relating to telecommunication systems Expired GB1241304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67835267A 1967-10-26 1967-10-26

Publications (1)

Publication Number Publication Date
GB1241304A true GB1241304A (en) 1971-08-04

Family

ID=24722434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50515/68A Expired GB1241304A (en) 1967-10-26 1968-10-24 Improvements in or relating to telecommunication systems

Country Status (8)

Country Link
US (1) US3502823A (enExample)
JP (1) JPS4840284B1 (enExample)
BE (1) BE722889A (enExample)
DE (1) DE1804410B2 (enExample)
FR (1) FR1587243A (enExample)
GB (1) GB1241304A (enExample)
NL (1) NL158336B (enExample)
SE (1) SE335876B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824344A (en) * 1973-03-22 1974-07-16 Bell Telephone Labor Inc Conference bridge circuit
JPS5332583U (enExample) * 1976-08-27 1978-03-22

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825764A (en) * 1954-02-24 1958-03-04 Bell Telephone Labor Inc Cross-control compandor used as echo suppressors

Also Published As

Publication number Publication date
DE1804410A1 (de) 1969-05-14
US3502823A (en) 1970-03-24
JPS4840284B1 (enExample) 1973-11-29
DE1804410B2 (de) 1972-01-20
SE335876B (enExample) 1971-06-14
NL6815211A (enExample) 1969-04-29
BE722889A (enExample) 1969-04-01
FR1587243A (enExample) 1970-03-13
NL158336B (nl) 1978-10-16

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