CH601954A5 - - Google Patents

Info

Publication number
CH601954A5
CH601954A5 CH835075A CH835075A CH601954A5 CH 601954 A5 CH601954 A5 CH 601954A5 CH 835075 A CH835075 A CH 835075A CH 835075 A CH835075 A CH 835075A CH 601954 A5 CH601954 A5 CH 601954A5
Authority
CH
Switzerland
Application number
CH835075A
Inventor
Pavel 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
Priority to CH835075A priority Critical patent/CH601954A5/xx
Priority to DE2621085A priority patent/DE2621085C3/de
Priority to IT24533/76A priority patent/IT1061114B/it
Priority to SE7607161A priority patent/SE426535B/xx
Priority to NLAANVRAGE7606786,A priority patent/NL179103C/nl
Priority to IL49898A priority patent/IL49898A/xx
Priority to BE168341A priority patent/BE843439A/xx
Priority to ES449293A priority patent/ES449293A1/es
Publication of CH601954A5 publication Critical patent/CH601954A5/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)
CH835075A 1975-06-27 1975-06-27 CH601954A5 (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH835075A CH601954A5 (nl) 1975-06-27 1975-06-27
DE2621085A DE2621085C3 (de) 1975-06-27 1976-05-12 Verfahren zum Erkennen von Ein- oder Mehrfrequenzcodezeichen aus einer Folge von PCM-Signalen
IT24533/76A IT1061114B (it) 1975-06-27 1976-06-22 Dispositivo per riconoscere criteri di codice a una o piu frequenze in una sequenza di segnali pcm
SE7607161A SE426535B (sv) 1975-06-27 1976-06-22 Kopplingsanordning for detektering av en -eller flerfrekvenskodtecken ur en foljd av pcm-signaler
NLAANVRAGE7606786,A NL179103C (nl) 1975-06-27 1976-06-22 Inrichting voor het herkennen van frequentiecodesignalen uit een volgorde van pcm-woorden.
IL49898A IL49898A (en) 1975-06-27 1976-06-24 Method of recognizhing single or multiple frequency code signals emanating from a succession of pcm-signals
BE168341A BE843439A (fr) 1975-06-27 1976-06-25 Procede d'indentification de signes de code dans une succession de signaux a modulation par impulsions codees
ES449293A ES449293A1 (es) 1975-06-27 1976-06-26 Un metodo para reconocer las senales en codigo de mono o multifrecuencia en un flujo de senales de modulacion por im-pulsos codificada.

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH601954A5 true CH601954A5 (nl) 1978-07-14

Family

ID=4338983

Family Applications (1)

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

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049059A2 (en) * 1980-09-25 1982-04-07 Northern Telecom Limited Pulse code demodulator for frequency shift keyed data
DE4005027A1 (de) * 1989-05-31 1990-12-06 Siemens Ag Albis Verfahren zum empfangen von leitungszeichen in einer fernmelde-, insbesondere fernsprechvermittlungsanlage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD266253A3 (de) * 1987-06-22 1989-03-29 Leipzig Rft Nachrichtenelekt Universeller digitaler mfc-empfaenger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049059A2 (en) * 1980-09-25 1982-04-07 Northern Telecom Limited Pulse code demodulator for frequency shift keyed data
EP0049059A3 (en) * 1980-09-25 1982-12-01 Northern Telecom Limited Pulse code demodulator for frequency shift keyed data
DE4005027A1 (de) * 1989-05-31 1990-12-06 Siemens Ag Albis Verfahren zum empfangen von leitungszeichen in einer fernmelde-, insbesondere fernsprechvermittlungsanlage

Also Published As

Publication number Publication date
ES449293A1 (es) 1977-08-16
DE2621085C3 (de) 1979-02-01
NL7606786A (nl) 1976-12-29
IT1061114B (it) 1982-10-20
IL49898A (en) 1978-06-15
NL179103B (nl) 1986-02-03
IL49898A0 (en) 1976-08-31
SE7607161L (sv) 1976-12-28
DE2621085A1 (de) 1977-01-20
SE426535B (sv) 1983-01-24
DE2621085B2 (de) 1978-06-01
BE843439A (fr) 1976-10-18
NL179103C (nl) 1986-07-01

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Legal Events

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PL Patent ceased