CA1117674A - Processeur de signaux pour systeme telephonique et systeme de transmission en numerique - Google Patents

Processeur de signaux pour systeme telephonique et systeme de transmission en numerique

Info

Publication number
CA1117674A
CA1117674A CA000368332A CA368332A CA1117674A CA 1117674 A CA1117674 A CA 1117674A CA 000368332 A CA000368332 A CA 000368332A CA 368332 A CA368332 A CA 368332A CA 1117674 A CA1117674 A CA 1117674A
Authority
CA
Canada
Prior art keywords
telephone
signal
output
tone
signals
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
CA000368332A
Other languages
English (en)
Inventor
Donald P. Fulghum
Jerry W. Pate
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.)
Raytheon Co
Original Assignee
E Systems Inc
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
Priority claimed from CA303,984A external-priority patent/CA1111582A/fr
Application filed by E Systems Inc filed Critical E Systems Inc
Priority to CA000368332A priority Critical patent/CA1117674A/fr
Application granted granted Critical
Publication of CA1117674A publication Critical patent/CA1117674A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Interface Circuits In Exchanges (AREA)
CA000368332A 1977-09-26 1981-01-12 Processeur de signaux pour systeme telephonique et systeme de transmission en numerique Expired CA1117674A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000368332A CA1117674A (fr) 1977-09-26 1981-01-12 Processeur de signaux pour systeme telephonique et systeme de transmission en numerique

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US83675677A 1977-09-26 1977-09-26
US836,756 1977-09-26
CA303,984A CA1111582A (fr) 1977-09-26 1978-05-24 Unite de traitement de signaux pour systeme telephonique et systeme de transmission numerique
CA000368332A CA1117674A (fr) 1977-09-26 1981-01-12 Processeur de signaux pour systeme telephonique et systeme de transmission en numerique

Publications (1)

Publication Number Publication Date
CA1117674A true CA1117674A (fr) 1982-02-02

Family

ID=27165673

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000368332A Expired CA1117674A (fr) 1977-09-26 1981-01-12 Processeur de signaux pour systeme telephonique et systeme de transmission en numerique

Country Status (1)

Country Link
CA (1) CA1117674A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry