NL179103C - DEVICE FOR RECOGNIZING FREQUENCY CODE SIGNALS FROM AN ORDER OF PCM WORDS. - Google Patents

DEVICE FOR RECOGNIZING FREQUENCY CODE SIGNALS FROM AN ORDER OF PCM WORDS.

Info

Publication number
NL179103C
NL179103C NLAANVRAGE7606786,A NL7606786A NL179103C NL 179103 C NL179103 C NL 179103C NL 7606786 A NL7606786 A NL 7606786A NL 179103 C NL179103 C NL 179103C
Authority
NL
Netherlands
Prior art keywords
order
code signals
frequency code
pcm words
recognizing frequency
Prior art date
Application number
NLAANVRAGE7606786,A
Other languages
Dutch (nl)
Other versions
NL179103B (en
NL7606786A (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 NL7606786A publication Critical patent/NL7606786A/en
Publication of NL179103B publication Critical patent/NL179103B/en
Application granted granted Critical
Publication of NL179103C publication Critical patent/NL179103C/en

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)
NLAANVRAGE7606786,A 1975-06-27 1976-06-22 DEVICE FOR RECOGNIZING FREQUENCY CODE SIGNALS FROM AN ORDER OF PCM WORDS. NL179103C (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NL7606786A NL7606786A (en) 1976-12-29
NL179103B NL179103B (en) 1986-02-03
NL179103C true NL179103C (en) 1986-07-01

Family

ID=4338983

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7606786,A NL179103C (en) 1975-06-27 1976-06-22 DEVICE FOR RECOGNIZING FREQUENCY CODE SIGNALS FROM AN ORDER OF PCM WORDS.

Country Status (8)

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

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 (en) * 1987-06-22 1989-03-29 Leipzig Rft Nachrichtenelekt UNIVERSAL DIGITAL MFC RECEPTIONER
CH678782A5 (en) * 1989-05-31 1991-10-31 Siemens Ag Albis

Also Published As

Publication number Publication date
DE2621085A1 (en) 1977-01-20
NL179103B (en) 1986-02-03
DE2621085C3 (en) 1979-02-01
BE843439A (en) 1976-10-18
DE2621085B2 (en) 1978-06-01
IL49898A0 (en) 1976-08-31
IT1061114B (en) 1982-10-20
NL7606786A (en) 1976-12-29
SE7607161L (en) 1976-12-28
ES449293A1 (en) 1977-08-16
IL49898A (en) 1978-06-15
SE426535B (en) 1983-01-24
CH601954A5 (en) 1978-07-14

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee