GB461079A - Improvements in or relating to signal transmission systems - Google Patents

Improvements in or relating to signal transmission systems

Info

Publication number
GB461079A
GB461079A GB2252035A GB2252035A GB461079A GB 461079 A GB461079 A GB 461079A GB 2252035 A GB2252035 A GB 2252035A GB 2252035 A GB2252035 A GB 2252035A GB 461079 A GB461079 A GB 461079A
Authority
GB
United Kingdom
Prior art keywords
path
network
point
contact
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
GB2252035A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 NL46092D priority Critical patent/NL46092C/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2252035A priority patent/GB461079A/en
Priority to FR817553D priority patent/FR817553A/fr
Publication of GB461079A publication Critical patent/GB461079A/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)
GB2252035A 1935-08-09 1935-08-09 Improvements in or relating to signal transmission systems Expired GB461079A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL46092D NL46092C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1935-08-09
GB2252035A GB461079A (en) 1935-08-09 1935-08-09 Improvements in or relating to signal transmission systems
FR817553D FR817553A (fr) 1935-08-09 1936-08-03 Systèmes de transmission de signaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2252035A GB461079A (en) 1935-08-09 1935-08-09 Improvements in or relating to signal transmission systems

Publications (1)

Publication Number Publication Date
GB461079A true GB461079A (en) 1937-02-09

Family

ID=10180700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2252035A Expired GB461079A (en) 1935-08-09 1935-08-09 Improvements in or relating to signal transmission systems

Country Status (3)

Country Link
FR (1) FR817553A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB461079A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL46092C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
NL46092C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR817553A (fr) 1937-09-06

Similar Documents

Publication Publication Date Title
GB701607A (en) Improvements in or relating to two-way telecommunication systems
GB461079A (en) Improvements in or relating to signal transmission systems
US2380232A (en) Telephone or like system
US2777115A (en) Branching circuit
GB506791A (en) Improvements in or relating to amplifying systems using negative feedback
US2130485A (en) Diversity radio receiver
US2990457A (en) Tandem echo suppressor circuits
US3215788A (en) Voice-frequency amplifiers
GB703801A (en) Improvements in or relating to voice switching in telephone transmission systems
US1538001A (en) Current-measuring arrangement
US2387443A (en) Communication system
GB1264569A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US2302498A (en) Communication system
US2257592A (en) Directional monitoring system
GB412611A (en) Improvements in or relating to telephone and like signalling systems
US1910165A (en) Deep sea cable terminal
US1856654A (en) Terminating circuit for two-way signaling systems
US1943478A (en) Transmission level control in telegraph signaling systems
US1997222A (en) Telephone repeater
US1731656A (en) Repeater circuits
GB511902A (en) System for multiplex telephony using go and return paths in one star cable
US2102735A (en) Carrier telegraph system
US2298190A (en) Suppression of cross talk
US1499646A (en) Telegraphy
GB665951A (en) Improvements in or relating to automatic gain control arrangements for carrier current communication systems