AT386312B - Signalisierungsempfaenger zum empfang pulscodemodulierter signale und verfahren zum betrieb des signalisierungsempfaengers - Google Patents

Signalisierungsempfaenger zum empfang pulscodemodulierter signale und verfahren zum betrieb des signalisierungsempfaengers

Info

Publication number
AT386312B
AT386312B AT0096280A AT96280A AT386312B AT 386312 B AT386312 B AT 386312B AT 0096280 A AT0096280 A AT 0096280A AT 96280 A AT96280 A AT 96280A AT 386312 B AT386312 B AT 386312B
Authority
AT
Austria
Prior art keywords
signaling receiver
pulscode
operating
receiving
modulated signals
Prior art date
Application number
AT0096280A
Other languages
German (de)
English (en)
Other versions
ATA96280A (de
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of ATA96280A publication Critical patent/ATA96280A/de
Application granted granted Critical
Publication of AT386312B publication Critical patent/AT386312B/de

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Mobile Radio Communication Systems (AREA)
AT0096280A 1979-02-22 1980-02-21 Signalisierungsempfaenger zum empfang pulscodemodulierter signale und verfahren zum betrieb des signalisierungsempfaengers AT386312B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA322,112A CA1111531A (en) 1979-02-22 1979-02-22 Digital signalling receiver for receiving pcm tones

Publications (2)

Publication Number Publication Date
ATA96280A ATA96280A (de) 1987-12-15
AT386312B true AT386312B (de) 1988-08-10

Family

ID=4113607

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0096280A AT386312B (de) 1979-02-22 1980-02-21 Signalisierungsempfaenger zum empfang pulscodemodulierter signale und verfahren zum betrieb des signalisierungsempfaengers

Country Status (9)

Country Link
JP (1) JPS55137788A (enExample)
AT (1) AT386312B (enExample)
CA (1) CA1111531A (enExample)
DE (1) DE3005740A1 (enExample)
FR (1) FR2450017A1 (enExample)
GB (1) GB2044039B (enExample)
IT (1) IT1140634B (enExample)
NL (1) NL8001026A (enExample)
SE (1) SE452388B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5779751A (en) * 1980-11-05 1982-05-19 Nec Corp Signal receiver
FR2504754A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Mat Tel Dispositif sequenceur a memoires mortes
US4519072A (en) * 1982-11-10 1985-05-21 Rockwell International Corporation Answer supervision system
JPH07171782A (ja) * 1991-07-16 1995-07-11 Haruo Konagai 真空吸着装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1603175A (enExample) * 1968-07-30 1971-03-22
US3863030A (en) * 1972-06-01 1975-01-28 Gte Automatic Electric Lab Inc Pcm tone receiver using digital spectrum analysis
JPS51112218A (en) * 1975-03-28 1976-10-04 Hitachi Ltd Multifrequency signal receiver
JPS5918916B2 (ja) * 1975-10-06 1984-05-01 株式会社日立製作所 多周波信号受信器
IT1072242B (it) * 1976-12-17 1985-04-10 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per il riconoscimento di segnali telefonici in codice multifrequenza convertiti in forma numerica

Also Published As

Publication number Publication date
FR2450017B1 (enExample) 1984-05-11
ATA96280A (de) 1987-12-15
SE8001315L (sv) 1980-08-23
FR2450017A1 (fr) 1980-09-19
IT8019986A1 (it) 1981-08-18
IT1140634B (it) 1986-10-01
JPS55137788A (en) 1980-10-27
NL8001026A (nl) 1980-08-26
SE452388B (sv) 1987-11-23
IT8019986A0 (it) 1980-02-18
GB2044039B (en) 1983-05-11
DE3005740A1 (de) 1980-09-04
GB2044039A (en) 1980-10-08
CA1111531A (en) 1981-10-27

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification