CH256353A - Device for transmitting calls in a carrier frequency system. - Google Patents

Device for transmitting calls in a carrier frequency system.

Info

Publication number
CH256353A
CH256353A CH256353DA CH256353A CH 256353 A CH256353 A CH 256353A CH 256353D A CH256353D A CH 256353DA CH 256353 A CH256353 A CH 256353A
Authority
CH
Switzerland
Prior art keywords
carrier frequency
frequency system
transmitting calls
calls
transmitting
Prior art date
Application number
Other languages
German (de)
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 CH256353A publication Critical patent/CH256353A/en

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
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
CH256353D 1938-08-05 1944-03-21 Device for transmitting calls in a carrier frequency system. CH256353A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL5395D DE865327C (en) 1938-08-05 1938-08-05 Arrangement for call transmission in carrier frequency systems
DEL95350D DE744288C (en) 1938-08-05 1938-08-05 Procedure for transferring calls in carrier frequency systems

Publications (1)

Publication Number Publication Date
CH256353A true CH256353A (en) 1948-08-15

Family

ID=5966306

Family Applications (1)

Application Number Title Priority Date Filing Date
CH256353D CH256353A (en) 1938-08-05 1944-03-21 Device for transmitting calls in a carrier frequency system.

Country Status (5)

Country Link
BE (3) BE435782A (en)
CH (1) CH256353A (en)
DE (2) DE744288C (en)
FR (3) FR858562A (en)
NL (1) NL56365C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE482213A (en) * 1947-04-29

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB253697A (en) * 1925-05-20 1926-06-24 Western Electric Co Improvements in signalling (ringing) arrangements for carrier wave systems

Also Published As

Publication number Publication date
FR858562A (en) 1940-11-28
DE865327C (en) 1953-02-02
DE744288C (en) 1944-01-13
BE456171A (en) 1944-07-31
FR858561A (en) 1940-11-30
BE435783A (en) 1939-09-30
BE435782A (en) 1939-09-30
FR53610E (en) 1946-06-21
NL56365C (en) 1944-06-15

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