DE2106627A1 - - Google Patents

Info

Publication number
DE2106627A1
DE2106627A1 DE19712106627 DE2106627A DE2106627A1 DE 2106627 A1 DE2106627 A1 DE 2106627A1 DE 19712106627 DE19712106627 DE 19712106627 DE 2106627 A DE2106627 A DE 2106627A DE 2106627 A1 DE2106627 A1 DE 2106627A1
Authority
DE
Germany
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.)
Granted
Application number
DE19712106627
Other languages
German (de)
Other versions
DE2106627B2 (de
DE2106627C (de
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 filed Critical
Priority to DE19712106627 priority Critical patent/DE2106627C/de
Priority claimed from DE19712106627 external-priority patent/DE2106627C/de
Priority to CH129872A priority patent/CH539991A/de
Priority to AT79172A priority patent/AT319346B/de
Priority to IT2031672A priority patent/IT947375B/it
Publication of DE2106627B2 publication Critical patent/DE2106627B2/de
Publication of DE2106627A1 publication Critical patent/DE2106627A1/de
Application granted granted Critical
Publication of DE2106627C publication Critical patent/DE2106627C/de
Expired legal-status Critical Current

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
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted
    • H04Q1/4535—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted with an additional signal transmitted for voice protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE19712106627 1971-02-12 1971-02-12 Übertragungsverfahren fur Mehr frequenzcodezeichen in Fernmelde ins besondere Fernsprechanlagen Expired DE2106627C (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19712106627 DE2106627C (de) 1971-02-12 Übertragungsverfahren fur Mehr frequenzcodezeichen in Fernmelde ins besondere Fernsprechanlagen
CH129872A CH539991A (de) 1971-02-12 1972-01-28 Ubertragungsverfahren für Mehrfrequenzcodezeichen in Fernmeldeanlagen
AT79172A AT319346B (de) 1971-02-12 1972-02-01 Schaltungsanordnung zur Übermittlung von Mehrfrequenzcodezeichen in Fernmelde-, insbesondere Fernsprechanlagen
IT2031672A IT947375B (it) 1971-02-12 1972-02-08 Sistema per trasmettere segnali in codice a piu frequenze in im pianti di telecomunicazioni spe cie in impianti telefonici

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712106627 DE2106627C (de) 1971-02-12 Übertragungsverfahren fur Mehr frequenzcodezeichen in Fernmelde ins besondere Fernsprechanlagen

Publications (3)

Publication Number Publication Date
DE2106627B2 DE2106627B2 (de) 1972-07-13
DE2106627A1 true DE2106627A1 (enExample) 1972-07-13
DE2106627C DE2106627C (de) 1973-02-08

Family

ID=

Also Published As

Publication number Publication date
DE2106627B2 (de) 1972-07-13
AT319346B (de) 1974-12-10
IT947375B (it) 1973-05-21
CH539991A (de) 1973-07-31

Similar Documents

Publication Publication Date Title
AR196074A1 (enExample)
AU473634B2 (enExample)
AU2691671A (enExample)
AU2726271A (enExample)
AU2742671A (enExample)
AU2894671A (enExample)
AU2941471A (enExample)
AU2952271A (enExample)
AU3005371A (enExample)
AU442402B2 (enExample)
AU2880771A (enExample)
AU2854371A (enExample)
AU2875571A (enExample)
AU2706571A (enExample)
AU2724971A (enExample)
AU2740271A (enExample)
AU2399971A (enExample)
AU2755871A (enExample)
AU2415871A (enExample)
AU2836771A (enExample)
AU2455871A (enExample)
AU2837671A (enExample)
AU2885171A (enExample)
AU3038671A (enExample)
AU3025871A (enExample)

Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee