GB336331A - Artificial impedance for telephone repeaters - Google Patents

Artificial impedance for telephone repeaters

Info

Publication number
GB336331A
GB336331A GB23298/29A GB2329829A GB336331A GB 336331 A GB336331 A GB 336331A GB 23298/29 A GB23298/29 A GB 23298/29A GB 2329829 A GB2329829 A GB 2329829A GB 336331 A GB336331 A GB 336331A
Authority
GB
United Kingdom
Prior art keywords
condenser
windings
coils
network
impedance
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
GB23298/29A
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.)
TELEPHONES GRAMMONT SOC D
Original Assignee
TELEPHONES GRAMMONT SOC D
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 TELEPHONES GRAMMONT SOC D filed Critical TELEPHONES GRAMMONT SOC D
Publication of GB336331A publication Critical patent/GB336331A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB23298/29A 1928-11-24 1929-07-29 Artificial impedance for telephone repeaters Expired GB336331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR679026T 1928-11-24

Publications (1)

Publication Number Publication Date
GB336331A true GB336331A (en) 1930-10-16

Family

ID=9021414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23298/29A Expired GB336331A (en) 1928-11-24 1929-07-29 Artificial impedance for telephone repeaters

Country Status (3)

Country Link
DE (1) DE634667C (fr)
FR (1) FR679026A (fr)
GB (1) GB336331A (fr)

Also Published As

Publication number Publication date
DE634667C (de) 1936-09-04
FR679026A (fr) 1930-04-08

Similar Documents

Publication Publication Date Title
US2282465A (en) Speech transmission system
US2333148A (en) Inductance apparatus
US1613952A (en) Electric wave filter
GB336331A (en) Artificial impedance for telephone repeaters
JP2002539648A (ja) Ａｓｄｌダイプレクサ用の低域通過フィルタ
US1726578A (en) Secret telephone system
GB238512A (en) Improvements in loaded telephone and like lines
US2085952A (en) Artificial network
US2029698A (en) Wave transmission network
GB287847A (en) Filter for preventing distortion of currents of telephonic frequencies
US1840434A (en) Conductor system for signaling currents
US2116172A (en) Composite set
US1721572A (en) Carrier-current system superposed on side circuit of phantom system
US1951883A (en) Four-wire terminating set
AT154237B (de) Anordnung zum Übertragen von Nachrichten.
US2607860A (en) Frequency selective repeater device
US1611916A (en) Electric-wave transmission
US1665683A (en) Telephone system
US1734113A (en) Telephone repeater circuits
US1809484A (en) Artificial impedance for telephone repeaters
US1605972A (en) Arrangement for increasing the power of repeater circuits
US1595159A (en) Telephone repeater system
US1621557A (en) Combined resonant shunt device for telegraph circuits
US2127201A (en) Wave transmission network
US1314695A (en) Composite signaling-circuits