DE611287C - Switching arrangement for multiple carrier current telegraphy, in which the same carrier frequency is used for simultaneous sending and receiving, with a filter on the afterimage side that is identical to the reception filter - Google Patents

Switching arrangement for multiple carrier current telegraphy, in which the same carrier frequency is used for simultaneous sending and receiving, with a filter on the afterimage side that is identical to the reception filter

Info

Publication number
DE611287C
DE611287C DEA63719D DEA0063719D DE611287C DE 611287 C DE611287 C DE 611287C DE A63719 D DEA63719 D DE A63719D DE A0063719 D DEA0063719 D DE A0063719D DE 611287 C DE611287 C DE 611287C
Authority
DE
Germany
Prior art keywords
filter
afterimage
receiving
switching arrangement
carrier frequency
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
DEA63719D
Other languages
German (de)
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.)
AEG AG
Original Assignee
AEG AG
Publication date
Priority to DEA63719D priority Critical patent/DE611287C/en
Application granted granted Critical
Publication of DE611287C publication Critical patent/DE611287C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Filters And Equalizers (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

BERLIN. GEDRUCKT IN DER nEICHSDRUCKEBEIBERLIN. PRINTED IN THE NICHSDRUCKEBEI

Claims (1)

Patentanspruch:Claim: Schaltanordnung für Mehrfachträgerstromtelegraphie, bei der zum gleichzeitigen Senden und Empfangen jeweils die gleiche Trägerfrequenz benutzt wird, mit einem dem Empfangsfilter gleichen Filter auf der Nachbildseite, dadurch gekennzeichnet, daß sämtliche in den Filtern verwendeten Spulen zu je vieren auf einem gemeinsamen Kern vereinigt sind, und zwar derart, daß einander entsprechende Spulen der Doppelleitung auf der Leitungs- und Nachbildseite auf einem gemeinsamen Kern liegen.Switching arrangement for multiple carrier current telegraphy, with the simultaneous The same carrier frequency is used for sending and receiving, with a filter that is the same as the receive filter on the afterimage side, characterized in that all of the coils used in the filters are four on one common core are united, in such a way that corresponding coils of the double line on the line and afterimage side lie on a common core. *) Von dem Patentsucher ist als der Erfinder angegeben worden.*) The inventor has been indicated by the patent seeker. Karl Wedler in Berlin-Karlshorst.Karl Wedler in Berlin-Karlshorst.
DEA63719D Switching arrangement for multiple carrier current telegraphy, in which the same carrier frequency is used for simultaneous sending and receiving, with a filter on the afterimage side that is identical to the reception filter Expired DE611287C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA63719D DE611287C (en) Switching arrangement for multiple carrier current telegraphy, in which the same carrier frequency is used for simultaneous sending and receiving, with a filter on the afterimage side that is identical to the reception filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA63719D DE611287C (en) Switching arrangement for multiple carrier current telegraphy, in which the same carrier frequency is used for simultaneous sending and receiving, with a filter on the afterimage side that is identical to the reception filter

Publications (1)

Publication Number Publication Date
DE611287C true DE611287C (en) 1935-03-25

Family

ID=6943268

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA63719D Expired DE611287C (en) Switching arrangement for multiple carrier current telegraphy, in which the same carrier frequency is used for simultaneous sending and receiving, with a filter on the afterimage side that is identical to the reception filter

Country Status (1)

Country Link
DE (1) DE611287C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861579C (en) * 1942-05-20 1953-01-05 Siemens Ag Messaging system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE861579C (en) * 1942-05-20 1953-01-05 Siemens Ag Messaging system

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