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FI54666B - KOPPLINGSANORDNING FOER TELETEKNISKA SPECIELLT TELEFONCENTRALER FOER TIDSMAESSIGT BEGRAENSAD BLOCKERING AV DEN AUTOMATISKA FOERSTAERKNINGSREGLERINGEN RESPEKTIVE INSTAELLNINGEN AV REAKTIONSTROESKELN FOER FLERFREKVENSAGOTT - Google Patents

KOPPLINGSANORDNING FOER TELETEKNISKA SPECIELLT TELEFONCENTRALER FOER TIDSMAESSIGT BEGRAENSAD BLOCKERING AV DEN AUTOMATISKA FOERSTAERKNINGSREGLERINGEN RESPEKTIVE INSTAELLNINGEN AV REAKTIONSTROESKELN FOER FLERFREKVENSAGOTT

Info

Publication number
FI54666B
FI54666B FI192668A FI192668A FI54666B FI 54666 B FI54666 B FI 54666B FI 192668 A FI192668 A FI 192668A FI 192668 A FI192668 A FI 192668A FI 54666 B FI54666 B FI 54666B
Authority
FI
Finland
Prior art keywords
foer
tidsmaessigt
teletekniska
telefoncentraler
reaktionstroeskeln
Prior art date
Application number
FI192668A
Other languages
Finnish (fi)
Other versions
FI54666C (en
Inventor
Dirsko Von 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 FI54666B publication Critical patent/FI54666B/en
Application granted granted Critical
Publication of FI54666C publication Critical patent/FI54666C/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
    • H04Q1/444—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Control Of Amplification And Gain Control (AREA)
FI192668A 1967-07-13 1968-07-04 KOPPLINGSANORDNING FOER TELETEKNISKA SPECIELLT TELEFONCENTRALER FOER TIDSMAESSIGT BEGRAENSAD BLOCKERING AV DEN AUTOMATISEAKTIONSTROESKELN FOER FLERFREKVENSMOTTAGARE KA FOERSTAERKNINGSREGLERINGEN RESPEKTIVE INSTAELLNING FI54666C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967S0110813 DE1282732B (en) 1967-07-13 1967-07-13 Circuit arrangement for telecommunications, in particular telephone systems for blocking the amplification control or setting the response threshold in multi-frequency receivers

Publications (2)

Publication Number Publication Date
FI54666B true FI54666B (en) 1978-09-29
FI54666C FI54666C (en) 1979-01-10

Family

ID=7530508

Family Applications (1)

Application Number Title Priority Date Filing Date
FI192668A FI54666C (en) 1967-07-13 1968-07-04 KOPPLINGSANORDNING FOER TELETEKNISKA SPECIELLT TELEFONCENTRALER FOER TIDSMAESSIGT BEGRAENSAD BLOCKERING AV DEN AUTOMATISEAKTIONSTROESKELN FOER FLERFREKVENSMOTTAGARE KA FOERSTAERKNINGSREGLERINGEN RESPEKTIVE INSTAELLNING

Country Status (3)

Country Link
DE (1) DE1282732B (en)
DK (1) DK135260B (en)
FI (1) FI54666C (en)

Also Published As

Publication number Publication date
DE1282732B (en) 1968-11-14
DK135260C (en) 1977-08-29
FI54666C (en) 1979-01-10
DK135260B (en) 1977-03-21

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