FI54667C - Kopplingsanordning foer reglerade flerfrekvensmottagare i teletekniska speciellt telefonanlaeggningar - Google Patents

Kopplingsanordning foer reglerade flerfrekvensmottagare i teletekniska speciellt telefonanlaeggningar

Info

Publication number
FI54667C
FI54667C FI212768A FI212768A FI54667C FI 54667 C FI54667 C FI 54667C FI 212768 A FI212768 A FI 212768A FI 212768 A FI212768 A FI 212768A FI 54667 C FI54667 C FI 54667C
Authority
FI
Finland
Prior art keywords
telecommunications
copying instructions
copying
instructions
Prior art date
Application number
FI212768A
Other languages
English (en)
Other versions
FI54667B (fi
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
Application granted granted Critical
Publication of FI54667B publication Critical patent/FI54667B/fi
Publication of FI54667C publication Critical patent/FI54667C/fi

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)
  • Noise Elimination (AREA)
FI212768A 1967-07-28 1968-07-26 Kopplingsanordning foer reglerade flerfrekvensmottagare i teletekniska speciellt telefonanlaeggningar FI54667C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0111063 1967-07-28

Publications (2)

Publication Number Publication Date
FI54667B FI54667B (fi) 1978-09-29
FI54667C true FI54667C (fi) 1979-01-10

Family

ID=7530706

Family Applications (1)

Application Number Title Priority Date Filing Date
FI212768A FI54667C (fi) 1967-07-28 1968-07-26 Kopplingsanordning foer reglerade flerfrekvensmottagare i teletekniska speciellt telefonanlaeggningar

Country Status (3)

Country Link
DE (1) DE1537812B1 (fi)
DK (1) DK136048B (fi)
FI (1) FI54667C (fi)

Also Published As

Publication number Publication date
DE1537812B1 (de) 1970-06-25
DK136048B (da) 1977-08-01
FI54667B (fi) 1978-09-29
DK136048C (fi) 1978-01-23

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