DK134579C - - Google Patents

Info

Publication number
DK134579C
DK134579C DK254368A DK254368A DK134579C DK 134579 C DK134579 C DK 134579C DK 254368 A DK254368 A DK 254368A DK 254368 A DK254368 A DK 254368A DK 134579 C DK134579 C DK 134579C
Authority
DK
Denmark
Application number
DK254368A
Other versions
DK134579B (da
Inventor
G Pietrzik
D V Pfeil
Original Assignee
Siemens 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 Ag filed Critical Siemens Ag
Publication of DK134579B publication Critical patent/DK134579B/da
Application granted granted Critical
Publication of DK134579C publication Critical patent/DK134579C/da

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Control Of Amplification And Gain Control (AREA)
DK254368A 1967-05-31 1968-05-30 Kobling til fjernmeldings- navnlig telefonanlæg til styring af tilbagereguleringstiden for reguleringsforstærkere. DK134579B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0110100 1967-05-31

Publications (2)

Publication Number Publication Date
DK134579B DK134579B (da) 1976-11-29
DK134579C true DK134579C (da) 1977-05-31

Family

ID=7529981

Family Applications (1)

Application Number Title Priority Date Filing Date
DK254368A DK134579B (da) 1967-05-31 1968-05-30 Kobling til fjernmeldings- navnlig telefonanlæg til styring af tilbagereguleringstiden for reguleringsforstærkere.

Country Status (2)

Country Link
DE (1) DE1512948B1 (da)
DK (1) DK134579B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412197A1 (fr) * 1977-12-16 1979-07-13 Thomson Csf Dispositif amplificateur a dynamique autoadaptative et recepteur utilisant un tel dispositif

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1083350B (de) * 1958-11-13 1960-06-15 Siemens Ag Schaltungsanordnung zur Auswertung von Mehrfrequenzenkodezeichen
DE1220483B (de) * 1964-11-30 1966-07-07 Siemens Ag Schaltungsanordnung fuer geregelte Verstaerker

Also Published As

Publication number Publication date
DK134579B (da) 1976-11-29
DE1512948B1 (de) 1969-10-23

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Legal Events

Date Code Title Description
PBP Patent lapsed