ES449293A1 - Un metodo para reconocer las senales en codigo de mono o multifrecuencia en un flujo de senales de modulacion por im-pulsos codificada. - Google Patents

Un metodo para reconocer las senales en codigo de mono o multifrecuencia en un flujo de senales de modulacion por im-pulsos codificada.

Info

Publication number
ES449293A1
ES449293A1 ES449293A ES449293A ES449293A1 ES 449293 A1 ES449293 A1 ES 449293A1 ES 449293 A ES449293 A ES 449293A ES 449293 A ES449293 A ES 449293A ES 449293 A1 ES449293 A1 ES 449293A1
Authority
ES
Spain
Prior art keywords
mic
signals
words
mono
translation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES449293A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Schweiz AG
Original Assignee
Siemens Albis 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 Albis AG filed Critical Siemens Albis AG
Publication of ES449293A1 publication Critical patent/ES449293A1/es
Expired legal-status Critical Current

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)
ES449293A 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. Expired ES449293A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES449293A1 true ES449293A1 (es) 1977-08-16

Family

ID=4338983

Family Applications (1)

Application Number Title Priority Date Filing Date
ES449293A Expired 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.

Country Status (8)

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

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 (es) * 1989-05-31 1991-10-31 Siemens Ag Albis

Also Published As

Publication number Publication date
IL49898A (en) 1978-06-15
IT1061114B (it) 1982-10-20
DE2621085B2 (de) 1978-06-01
SE426535B (sv) 1983-01-24
NL179103C (nl) 1986-07-01
NL179103B (nl) 1986-02-03
BE843439A (fr) 1976-10-18
DE2621085C3 (de) 1979-02-01
NL7606786A (nl) 1976-12-29
SE7607161L (sv) 1976-12-28
CH601954A5 (es) 1978-07-14
IL49898A0 (en) 1976-08-31
DE2621085A1 (de) 1977-01-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19981001