CA1049170A - Dispositif de signalisation pour systeme telephonique a clavier - Google Patents

Dispositif de signalisation pour systeme telephonique a clavier

Info

Publication number
CA1049170A
CA1049170A CA76266593A CA266593A CA1049170A CA 1049170 A CA1049170 A CA 1049170A CA 76266593 A CA76266593 A CA 76266593A CA 266593 A CA266593 A CA 266593A CA 1049170 A CA1049170 A CA 1049170A
Authority
CA
Canada
Prior art keywords
digit
relay
pulse
calling system
output
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
CA76266593A
Other languages
English (en)
Inventor
Louis W. Champan
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.)
MELCO
Original Assignee
MELCO
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 MELCO filed Critical MELCO
Priority to CA76266593A priority Critical patent/CA1049170A/fr
Application granted granted Critical
Publication of CA1049170A publication Critical patent/CA1049170A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Telephonic Communication Services (AREA)
CA76266593A 1976-11-25 1976-11-25 Dispositif de signalisation pour systeme telephonique a clavier Expired CA1049170A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA76266593A CA1049170A (fr) 1976-11-25 1976-11-25 Dispositif de signalisation pour systeme telephonique a clavier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA76266593A CA1049170A (fr) 1976-11-25 1976-11-25 Dispositif de signalisation pour systeme telephonique a clavier

Publications (1)

Publication Number Publication Date
CA1049170A true CA1049170A (fr) 1979-02-20

Family

ID=4107366

Family Applications (1)

Application Number Title Priority Date Filing Date
CA76266593A Expired CA1049170A (fr) 1976-11-25 1976-11-25 Dispositif de signalisation pour systeme telephonique a clavier

Country Status (1)

Country Link
CA (1) CA1049170A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2103187A1 (es) * 1994-10-24 1997-08-16 Gorrochategui Grajirena D Javi Sistema de comunicacion de dos hilos, para porteros automaticos.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2103187A1 (es) * 1994-10-24 1997-08-16 Gorrochategui Grajirena D Javi Sistema de comunicacion de dos hilos, para porteros automaticos.

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