GB469597A - Improvements in transmission systems for electrical signals - Google Patents

Improvements in transmission systems for electrical signals

Info

Publication number
GB469597A
GB469597A GB8732/37A GB873237A GB469597A GB 469597 A GB469597 A GB 469597A GB 8732/37 A GB8732/37 A GB 8732/37A GB 873237 A GB873237 A GB 873237A GB 469597 A GB469597 A GB 469597A
Authority
GB
United Kingdom
Prior art keywords
transformer
primary
valves
signals
receiving amplifier
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
GB8732/37A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB469597A publication Critical patent/GB469597A/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)
  • Amplifiers (AREA)
GB8732/37A 1935-07-28 1937-03-24 Improvements in transmission systems for electrical signals Expired GB469597A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES119202D DE681484C (de) 1935-07-28 1935-07-28 UEbertragungssystem mit Echosperren
DE469597X 1936-03-24

Publications (1)

Publication Number Publication Date
GB469597A true GB469597A (en) 1937-07-28

Family

ID=25944132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8732/37A Expired GB469597A (en) 1935-07-28 1937-03-24 Improvements in transmission systems for electrical signals

Country Status (4)

Country Link
US (1) US2168589A (fr)
DE (1) DE681484C (fr)
FR (1) FR819636A (fr)
GB (1) GB469597A (fr)

Also Published As

Publication number Publication date
DE681484C (de) 1939-09-23
US2168589A (en) 1939-08-08
FR819636A (fr) 1937-10-22

Similar Documents

Publication Publication Date Title
GB469597A (en) Improvements in transmission systems for electrical signals
GB566844A (en) Distortion reduction on modulated amplifiers
GB506791A (en) Improvements in or relating to amplifying systems using negative feedback
GB481085A (en) Improvements in or relating to two-wire-four-wire combinations in electric signalling systems
GB415767A (en) Improvements in alternating current transmission systems such as telephone systems incorporating echo suppressors
GB503418A (en) Improvements in or relating to two-way telephone and like transmission systems
US2131578A (en) Monitoring circuit for telephone systems
US2504008A (en) Fork circuit for connecting a twowire line to wireless transmitting and receiving channels
US1396760A (en) Signaling-circuit
GB409360A (en) Improvements in alternating current signal generators and amplifiers
GB412611A (en) Improvements in or relating to telephone and like signalling systems
US2054906A (en) Transmission control in signaling systems
GB313964A (en) Improvements in or relating to means for reducing interference in signalling circuits
GB529982A (en) Improvements in and relating to two-way electric communication systems
US2118697A (en) Two-way telephone repeater
GB540897A (en) Improvements in or relating to radio receivers provided with two output circuits from the same output valve
US2103506A (en) Wave translating system
GB613741A (en) Improvements in or relating to radio and other transmitting and receiving systems
GB465464A (en) Improvements in or relating to the control of variable attenuation of networks for alternating signalling or like systems
GB459579A (en) Improvements in or relating to electric signalling or controlling systems
US1562989A (en) Signaling circuits
GB685350A (en) Improvements in or relating to signalling current transmission arrangements for two-wire repeater circuits
GB418442A (en) Improvements in or relating to electric signalling systems
GB176379A (en) Arrangement for increasing the speed of telegraphing over long lines
GB527099A (en) Improvements in or relating to wave transmission systems