GB353630A - - Google Patents

Info

Publication number
GB353630A
GB353630A GB18103/30A GB1810330A GB353630A GB 353630 A GB353630 A GB 353630A GB 18103/30 A GB18103/30 A GB 18103/30A GB 1810330 A GB1810330 A GB 1810330A GB 353630 A GB353630 A GB 353630A
Authority
GB
United Kingdom
Prior art keywords
signalling
amplifiers
separate
bands
class
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
GB18103/30A
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
Original Assignee
Siemens and Halske 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 filed Critical Siemens and Halske AG
Publication of GB353630A publication Critical patent/GB353630A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/04Frequency-transposition arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Relay Systems (AREA)
GB18103/30A 1929-07-26 1930-06-12 Expired GB353630A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE697483X 1929-07-26

Publications (1)

Publication Number Publication Date
GB353630A true GB353630A (enrdf_load_stackoverflow) 1931-07-30

Family

ID=6607938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18103/30A Expired GB353630A (enrdf_load_stackoverflow) 1929-07-26 1930-06-12

Country Status (2)

Country Link
FR (1) FR697483A (enrdf_load_stackoverflow)
GB (1) GB353630A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767662C (de) * 1936-06-20 1953-03-16 Lorenz C Ag Verfahren zur Nachrichtenuebermittlung an Teilnehmer, die ueber Zweidrahtleitungen an Vermittlungsstellen angeschlossen sind, die untereinander mittels Vierdrahtleitungen verbunden sind

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767662C (de) * 1936-06-20 1953-03-16 Lorenz C Ag Verfahren zur Nachrichtenuebermittlung an Teilnehmer, die ueber Zweidrahtleitungen an Vermittlungsstellen angeschlossen sind, die untereinander mittels Vierdrahtleitungen verbunden sind

Also Published As

Publication number Publication date
FR697483A (fr) 1931-01-19

Similar Documents

Publication Publication Date Title
US2724742A (en) Suppressed-carrier amplitude modulation
GB353630A (enrdf_load_stackoverflow)
GB1251121A (enrdf_load_stackoverflow)
GB280957A (enrdf_load_stackoverflow)
GB550912A (en) Reduction of cross-talk
US1954185A (en) Method of transmitting signals on short radiowaves
GB351543A (en) Improvements in or relating to submarine signalling cables provided with repeaters
GB199345A (en) Improvements in or relating to telephone repeaters
GB418707A (en) Multi-channel carrier transmission system designed more particularly for cable circuits
GB314530A (enrdf_load_stackoverflow)
GB230085A (enrdf_load_stackoverflow)
GB287048A (en) Improvements in duplex signalling systems
GB384849A (en) Improvements in or relating to electric telecommunication systems
US1716908A (en) Duplex system of telephony
GB311318A (en) System for the transmission of signals with modulated carrier currents
GB353629A (en) A transmitting system for simultaneous low frequency and carrier frequency telephony
Little Twelve-Circuit Carrier Telephone Systems
GB511902A (en) System for multiplex telephony using go and return paths in one star cable
GB275595A (en) Improvements in or relating to high frequency telephony
GB257769A (en) Improvements in multiplex carrier wave signalling systems
GB1258677A (enrdf_load_stackoverflow)
GB633007A (en) Improvements in and relating to carrier transmission systems
GB440241A (en) Improvements in or relating to multi-channel electric signalling systems
GB225506A (en) Improvements in and relating to pupinised lines for telephone transmission over long distances
GB395035A (en) Improvements in or relating to telephone or like signalling systems