GB246544A - Improvements in two-way transmission systems with repeaters, particularly for telephone lines - Google Patents

Improvements in two-way transmission systems with repeaters, particularly for telephone lines

Info

Publication number
GB246544A
GB246544A GB2502124A GB2502124A GB246544A GB 246544 A GB246544 A GB 246544A GB 2502124 A GB2502124 A GB 2502124A GB 2502124 A GB2502124 A GB 2502124A GB 246544 A GB246544 A GB 246544A
Authority
GB
United Kingdom
Prior art keywords
path
relay
rectifiers
relays
short
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
GB2502124A
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.)
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
Priority to DE1924I0024318 priority Critical patent/DE465039C/de
Priority to FR576661D priority patent/FR576661A/fr
Priority to NL26100A priority patent/NL16260C/xx
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to GB2502124A priority patent/GB246544A/en
Priority to DEI25317D priority patent/DE502244C/de
Priority to FR29953D priority patent/FR29953E/fr
Priority to CH121215D priority patent/CH121215A/fr
Publication of GB246544A publication Critical patent/GB246544A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
  • Amplifiers (AREA)
GB2502124A 1924-10-21 1924-10-21 Improvements in two-way transmission systems with repeaters, particularly for telephone lines Expired GB246544A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE1924I0024318 DE465039C (de) 1924-10-21 1924-01-17 Schaltungsanordnung zur UEbermittlung von Fernsprech- und Signalstroemen ueber mit Verstaerkern ausgeruestete Doppelleitungen
FR576661D FR576661A (fr) 1924-10-21 1924-01-18 Perfectionnements dans les systèmes électriques de signalisation
NL26100A NL16260C (enrdf_load_stackoverflow) 1924-10-21 1924-01-22
GB2502124A GB246544A (en) 1924-10-21 1924-10-21 Improvements in two-way transmission systems with repeaters, particularly for telephone lines
DEI25317D DE502244C (de) 1924-10-21 1924-10-30 Gegensprechverstaerkerschaltung mit sprachbetaetigten Sperrvorrichtungen
FR29953D FR29953E (fr) 1924-10-21 1925-01-12 Perfectionnements dans les systèmes électriques de signalisation
CH121215D CH121215A (fr) 1924-10-21 1925-01-13 Installation électrique d'intercommunication.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2502124A GB246544A (en) 1924-10-21 1924-10-21 Improvements in two-way transmission systems with repeaters, particularly for telephone lines

Publications (1)

Publication Number Publication Date
GB246544A true GB246544A (en) 1926-01-21

Family

ID=10220929

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2502124A Expired GB246544A (en) 1924-10-21 1924-10-21 Improvements in two-way transmission systems with repeaters, particularly for telephone lines

Country Status (5)

Country Link
CH (1) CH121215A (enrdf_load_stackoverflow)
DE (2) DE465039C (enrdf_load_stackoverflow)
FR (2) FR576661A (enrdf_load_stackoverflow)
GB (1) GB246544A (enrdf_load_stackoverflow)
NL (1) NL16260C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR576661A (fr) 1924-08-25
DE465039C (de) 1928-09-11
FR29953E (fr) 1925-12-11
CH121215A (fr) 1927-07-16
NL16260C (enrdf_load_stackoverflow) 1927-04-18
DE502244C (de) 1930-07-14

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