CA1053821A - Emetteur-recepteur de signalisation entre installations telephonique de commutation - Google Patents

Emetteur-recepteur de signalisation entre installations telephonique de commutation

Info

Publication number
CA1053821A
CA1053821A CA259,463A CA259463A CA1053821A CA 1053821 A CA1053821 A CA 1053821A CA 259463 A CA259463 A CA 259463A CA 1053821 A CA1053821 A CA 1053821A
Authority
CA
Canada
Prior art keywords
clock
signal
output
signals
word
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
CA259,463A
Other languages
English (en)
Inventor
Ernst A. Munter
Rolf E. Olsen
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.)
Nortel Networks Ltd
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
Priority to CA259,463A priority Critical patent/CA1053821A/fr
Priority to GB2591677A priority patent/GB1553019A/en
Priority to NL7707137A priority patent/NL7707137A/xx
Priority to DE19772735478 priority patent/DE2735478A1/de
Priority to JP9622977A priority patent/JPS5324706A/ja
Priority to BE180182A priority patent/BE857802A/fr
Priority to FR7725289A priority patent/FR2362545A1/fr
Priority to SE7709370A priority patent/SE7709370L/sv
Priority to ES461745A priority patent/ES461745A1/es
Priority to CA314,257A priority patent/CA1056969A/fr
Application granted granted Critical
Publication of CA1053821A publication Critical patent/CA1053821A/fr
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
    • H04M1/505—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies signals generated in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
CA259,463A 1976-08-19 1976-08-19 Emetteur-recepteur de signalisation entre installations telephonique de commutation Expired CA1053821A (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CA259,463A CA1053821A (fr) 1976-08-19 1976-08-19 Emetteur-recepteur de signalisation entre installations telephonique de commutation
GB2591677A GB1553019A (en) 1976-08-19 1977-06-21 Receiver/sender
NL7707137A NL7707137A (nl) 1976-08-19 1977-06-28 Ontvang-zendinrichting.
DE19772735478 DE2735478A1 (de) 1976-08-19 1977-08-05 Empfangssendegeraet
JP9622977A JPS5324706A (en) 1976-08-19 1977-08-12 Receiver*transmitter
BE180182A BE857802A (fr) 1976-08-19 1977-08-16 Recepteur-emetteur universel de signaux de signalisation telephoniques
FR7725289A FR2362545A1 (fr) 1976-08-19 1977-08-18 Recepteur-emetteur universel de signaux de signalisation telephoniques
SE7709370A SE7709370L (fr) 1976-08-19 1977-08-19
ES461745A ES461745A1 (es) 1976-08-19 1977-08-19 Perfeccionamientos en aparatos receptor transmisor para de- tectar y transmitir informacion de se/alizacion de una red telefonica.
CA314,257A CA1056969A (fr) 1976-08-19 1978-10-25 Horloge programmable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA259,463A CA1053821A (fr) 1976-08-19 1976-08-19 Emetteur-recepteur de signalisation entre installations telephonique de commutation

Publications (1)

Publication Number Publication Date
CA1053821A true CA1053821A (fr) 1979-05-01

Family

ID=4106691

Family Applications (1)

Application Number Title Priority Date Filing Date
CA259,463A Expired CA1053821A (fr) 1976-08-19 1976-08-19 Emetteur-recepteur de signalisation entre installations telephonique de commutation

Country Status (9)

Country Link
JP (1) JPS5324706A (fr)
BE (1) BE857802A (fr)
CA (1) CA1053821A (fr)
DE (1) DE2735478A1 (fr)
ES (1) ES461745A1 (fr)
FR (1) FR2362545A1 (fr)
GB (1) GB1553019A (fr)
NL (1) NL7707137A (fr)
SE (1) SE7709370L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0219296A (ja) * 1988-07-05 1990-01-23 Tokyo Kyoei Shokai:Kk ホッパのゲート開閉装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603773A (en) * 1969-08-28 1971-09-07 Vernitron Corp Digital pulse rate generator
US3716794A (en) * 1972-04-26 1973-02-13 E Teggatz Frequency dividing apparatus
FR2280141A1 (fr) * 1974-07-26 1976-02-20 Materiel Telephonique Systeme de signalisation entre centres de traitement d'informations

Also Published As

Publication number Publication date
ES461745A1 (es) 1978-05-01
BE857802A (fr) 1978-02-16
NL7707137A (nl) 1978-02-21
SE7709370L (fr) 1978-02-20
JPS5324706A (en) 1978-03-07
DE2735478A1 (de) 1978-02-23
GB1553019A (en) 1979-09-19
FR2362545A1 (fr) 1978-03-17

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