GB821521A - Improvements in or relating to telephone amplifying systems employing negative impedance converters - Google Patents

Improvements in or relating to telephone amplifying systems employing negative impedance converters

Info

Publication number
GB821521A
GB821521A GB3298155A GB3298155A GB821521A GB 821521 A GB821521 A GB 821521A GB 3298155 A GB3298155 A GB 3298155A GB 3298155 A GB3298155 A GB 3298155A GB 821521 A GB821521 A GB 821521A
Authority
GB
United Kingdom
Prior art keywords
relating
systems employing
negative impedance
impedance converters
employing negative
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
GB3298155A
Inventor
Thomas Barfield Mackie Neill
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Priority to GB3298155A priority Critical patent/GB821521A/en
Publication of GB821521A publication Critical patent/GB821521A/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
    • H04B3/16—Control of transmission; Equalising characterised by the negative-impedance network used
    • H04B3/18—Control of transmission; Equalising characterised by the negative-impedance network used wherein the network comprises semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
GB3298155A 1955-11-17 1955-11-17 Improvements in or relating to telephone amplifying systems employing negative impedance converters Expired GB821521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3298155A GB821521A (en) 1955-11-17 1955-11-17 Improvements in or relating to telephone amplifying systems employing negative impedance converters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3298155A GB821521A (en) 1955-11-17 1955-11-17 Improvements in or relating to telephone amplifying systems employing negative impedance converters

Publications (1)

Publication Number Publication Date
GB821521A true GB821521A (en) 1959-10-07

Family

ID=10346884

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3298155A Expired GB821521A (en) 1955-11-17 1955-11-17 Improvements in or relating to telephone amplifying systems employing negative impedance converters

Country Status (1)

Country Link
GB (1) GB821521A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451130A1 (en) * 1979-03-08 1980-10-03 Hughes Aircraft Co DIPOLE TO SIMULATE RESISTANCE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451130A1 (en) * 1979-03-08 1980-10-03 Hughes Aircraft Co DIPOLE TO SIMULATE RESISTANCE

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