FR2513051B1 - Circuit de generation d'ouvertures de boucle calibrees pour poste telephonique a numerotation multifrequence - Google Patents

Circuit de generation d'ouvertures de boucle calibrees pour poste telephonique a numerotation multifrequence

Info

Publication number
FR2513051B1
FR2513051B1 FR8110959A FR8110959A FR2513051B1 FR 2513051 B1 FR2513051 B1 FR 2513051B1 FR 8110959 A FR8110959 A FR 8110959A FR 8110959 A FR8110959 A FR 8110959A FR 2513051 B1 FR2513051 B1 FR 2513051B1
Authority
FR
France
Prior art keywords
circuit
telephone set
dialing telephone
frequency dialing
loop openings
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
FR8110959A
Other languages
English (en)
Other versions
FR2513051A1 (fr
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.)
Constr Telephoniques
Original Assignee
Constr Telephoniques
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 Constr Telephoniques filed Critical Constr Telephoniques
Priority to FR8110959A priority Critical patent/FR2513051B1/fr
Priority to CH340082A priority patent/CH656278A5/de
Publication of FR2513051A1 publication Critical patent/FR2513051A1/fr
Application granted granted Critical
Publication of FR2513051B1 publication Critical patent/FR2513051B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M1/53—Generation of additional signals, e.g. additional pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electronic Switches (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR8110959A 1981-06-03 1981-06-03 Circuit de generation d'ouvertures de boucle calibrees pour poste telephonique a numerotation multifrequence Expired FR2513051B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8110959A FR2513051B1 (fr) 1981-06-03 1981-06-03 Circuit de generation d'ouvertures de boucle calibrees pour poste telephonique a numerotation multifrequence
CH340082A CH656278A5 (en) 1981-06-03 1982-06-03 Circuit for producing a loop interruption of defined duration for telephone subscriber sets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8110959A FR2513051B1 (fr) 1981-06-03 1981-06-03 Circuit de generation d'ouvertures de boucle calibrees pour poste telephonique a numerotation multifrequence

Publications (2)

Publication Number Publication Date
FR2513051A1 FR2513051A1 (fr) 1983-03-18
FR2513051B1 true FR2513051B1 (fr) 1985-06-07

Family

ID=9259132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8110959A Expired FR2513051B1 (fr) 1981-06-03 1981-06-03 Circuit de generation d'ouvertures de boucle calibrees pour poste telephonique a numerotation multifrequence

Country Status (2)

Country Link
CH (1) CH656278A5 (fr)
FR (1) FR2513051B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8303701A (nl) * 1983-10-27 1985-05-17 Philips Nv Dtmf-telefoontoestel met meervoudig gebruik van de logica van de digitale toongenerator.
DE4427600A1 (de) * 1994-08-04 1996-03-07 Deutsche Telekom Ag Verfahren zum Auslösen einer Identifizierung des Anschlusses eines rufenden Teilnehmers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2436256A1 (de) * 1974-07-27 1976-02-05 Licentia Gmbh Schaltungsanordnung zur zusaetzlichen zeichengabe
DE2838629A1 (de) * 1978-09-05 1980-03-13 Siemens Ag Schaltungsanordnung fuer teilnehmerstationen in fernmelde-, insbesondere fernsprechanlagen, zur zeitlich definierten unterbrechung des schleifenstromes

Also Published As

Publication number Publication date
FR2513051A1 (fr) 1983-03-18
CH656278A5 (en) 1986-06-13

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Legal Events

Date Code Title Description
ST Notification of lapse