CA2350281C - Systeme d'alarme et de verification pour ligne telephonique principale numerique
- Google Patents
Systeme d'alarme et de verification pour ligne telephonique principale numerique
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Publication number
CA2350281C
CA2350281CCA002350281ACA2350281ACA2350281CCA 2350281 CCA2350281 CCA 2350281CCA 002350281 ACA002350281 ACA 002350281ACA 2350281 ACA2350281 ACA 2350281ACA 2350281 CCA2350281 CCA 2350281C
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CA
Canada
Prior art keywords
test
line
dsl
signal
emulator
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.)
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.)
Raychem Corp
Original Assignee
Raychem Corp
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Filing date
Publication date
Priority claimed from US07/584,325external-prioritypatent/US5111497A/en
Application filed by Raychem CorpfiledCriticalRaychem Corp
Priority claimed from CA002091067Aexternal-prioritypatent/CA2091067C/fr
Publication of CA2350281A1publicationCriticalpatent/CA2350281A1/fr
Application grantedgrantedCritical
Publication of CA2350281CpublicationCriticalpatent/CA2350281C/fr