IL49898A - Method of recognizhing single or multiple frequency code signals emanating from a succession of pcm-signals - Google Patents

Method of recognizhing single or multiple frequency code signals emanating from a succession of pcm-signals

Info

Publication number
IL49898A
IL49898A IL49898A IL4989876A IL49898A IL 49898 A IL49898 A IL 49898A IL 49898 A IL49898 A IL 49898A IL 4989876 A IL4989876 A IL 4989876A IL 49898 A IL49898 A IL 49898A
Authority
IL
Israel
Prior art keywords
signals
recognizhing
pcm
succession
multiple frequency
Prior art date
Application number
IL49898A
Other languages
English (en)
Other versions
IL49898A0 (en
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 IL49898A0 publication Critical patent/IL49898A0/xx
Publication of IL49898A publication Critical patent/IL49898A/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)
IL49898A 1975-06-27 1976-06-24 Method of recognizhing single or multiple frequency code signals emanating from a succession of pcm-signals IL49898A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IL49898A0 IL49898A0 (en) 1976-08-31
IL49898A true IL49898A (en) 1978-06-15

Family

ID=4338983

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1137632A (fr) * 1980-09-25 1982-12-14 Claude J.J. Champagne Demodulateur de signaux modules par impulsions et codage initialement modules par deplacement de frequence
DD266253A3 (de) * 1987-06-22 1989-03-29 Leipzig Rft Nachrichtenelekt Universeller digitaler mfc-empfaenger
CH678782A5 (fr) * 1989-05-31 1991-10-31 Siemens Ag Albis

Also Published As

Publication number Publication date
IL49898A0 (en) 1976-08-31
NL179103B (nl) 1986-02-03
CH601954A5 (fr) 1978-07-14
SE7607161L (sv) 1976-12-28
DE2621085A1 (de) 1977-01-20
NL7606786A (nl) 1976-12-29
ES449293A1 (es) 1977-08-16
SE426535B (sv) 1983-01-24
NL179103C (nl) 1986-07-01
BE843439A (fr) 1976-10-18
IT1061114B (it) 1982-10-20
DE2621085B2 (de) 1978-06-01
DE2621085C3 (de) 1979-02-01

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