SE426535B - Kopplingsanordning for detektering av en -eller flerfrekvenskodtecken ur en foljd av pcm-signaler - Google Patents

Kopplingsanordning for detektering av en -eller flerfrekvenskodtecken ur en foljd av pcm-signaler

Info

Publication number
SE426535B
SE426535B SE7607161A SE7607161A SE426535B SE 426535 B SE426535 B SE 426535B SE 7607161 A SE7607161 A SE 7607161A SE 7607161 A SE7607161 A SE 7607161A SE 426535 B SE426535 B SE 426535B
Authority
SE
Sweden
Prior art keywords
follow
detecting
clutch device
frequency code
pcm signals
Prior art date
Application number
SE7607161A
Other languages
English (en)
Swedish (sv)
Other versions
SE7607161L (sv
Inventor
P Hajnik
Original Assignee
Siemens Ag Albis
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 Albis filed Critical Siemens Ag Albis
Publication of SE7607161L publication Critical patent/SE7607161L/
Publication of SE426535B publication Critical patent/SE426535B/xx

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
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
SE7607161A 1975-06-27 1976-06-22 Kopplingsanordning for detektering av en -eller flerfrekvenskodtecken ur en foljd av pcm-signaler SE426535B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH835075A CH601954A5 (cs) 1975-06-27 1975-06-27

Publications (2)

Publication Number Publication Date
SE7607161L SE7607161L (sv) 1976-12-28
SE426535B true SE426535B (sv) 1983-01-24

Family

ID=4338983

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7607161A SE426535B (sv) 1975-06-27 1976-06-22 Kopplingsanordning for detektering av en -eller flerfrekvenskodtecken ur en foljd av pcm-signaler

Country Status (8)

Country Link
BE (1) BE843439A (cs)
CH (1) CH601954A5 (cs)
DE (1) DE2621085C3 (cs)
ES (1) ES449293A1 (cs)
IL (1) IL49898A (cs)
IT (1) IT1061114B (cs)
NL (1) NL179103C (cs)
SE (1) SE426535B (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1137632A (en) * 1980-09-25 1982-12-14 Claude J.J. Champagne Pulse code demodulator for frequency shift keyed data
DD266253A3 (de) * 1987-06-22 1989-03-29 Leipzig Rft Nachrichtenelekt Universeller digitaler mfc-empfaenger
CH678782A5 (cs) * 1989-05-31 1991-10-31 Siemens Ag Albis

Also Published As

Publication number Publication date
CH601954A5 (cs) 1978-07-14
IT1061114B (it) 1982-10-20
ES449293A1 (es) 1977-08-16
NL179103B (nl) 1986-02-03
NL7606786A (nl) 1976-12-29
IL49898A (en) 1978-06-15
DE2621085B2 (de) 1978-06-01
DE2621085C3 (de) 1979-02-01
BE843439A (fr) 1976-10-18
SE7607161L (sv) 1976-12-28
DE2621085A1 (de) 1977-01-20
NL179103C (nl) 1986-07-01
IL49898A0 (en) 1976-08-31

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