CH212745A - Schaltung zur Rufübertragung. - Google Patents

Schaltung zur Rufübertragung.

Info

Publication number
CH212745A
CH212745A CH212745DA CH212745A CH 212745 A CH212745 A CH 212745A CH 212745D A CH212745D A CH 212745DA CH 212745 A CH212745 A CH 212745A
Authority
CH
Switzerland
Prior art keywords
circuit
call transmission
call
transmission
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C 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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH212745A publication Critical patent/CH212745A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
CH212745D 1939-01-25 1939-12-06 Schaltung zur Rufübertragung. CH212745A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE212745X 1939-01-25

Publications (1)

Publication Number Publication Date
CH212745A true CH212745A (de) 1940-12-15

Family

ID=5809651

Family Applications (1)

Application Number Title Priority Date Filing Date
CH212745D CH212745A (de) 1939-01-25 1939-12-06 Schaltung zur Rufübertragung.

Country Status (3)

Country Link
BE (1) BE437349A (enrdf_load_html_response)
CH (1) CH212745A (enrdf_load_html_response)
FR (1) FR868478A (enrdf_load_html_response)

Also Published As

Publication number Publication date
FR868478A (fr) 1941-12-31
BE437349A (enrdf_load_html_response)

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