CA1207929A - Telephone mains libres - Google Patents

Telephone mains libres

Info

Publication number
CA1207929A
CA1207929A CA000449506A CA449506A CA1207929A CA 1207929 A CA1207929 A CA 1207929A CA 000449506 A CA000449506 A CA 000449506A CA 449506 A CA449506 A CA 449506A CA 1207929 A CA1207929 A CA 1207929A
Authority
CA
Canada
Prior art keywords
speech
channel
channels
amplitude
threshold
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
CA000449506A
Other languages
English (en)
Inventor
Bjorn N. Hansen
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.)
STC PLC
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to CA000449506A priority Critical patent/CA1207929A/fr
Application granted granted Critical
Publication of CA1207929A publication Critical patent/CA1207929A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Interface Circuits In Exchanges (AREA)
CA000449506A 1984-03-13 1984-03-13 Telephone mains libres Expired CA1207929A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000449506A CA1207929A (fr) 1984-03-13 1984-03-13 Telephone mains libres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000449506A CA1207929A (fr) 1984-03-13 1984-03-13 Telephone mains libres

Publications (1)

Publication Number Publication Date
CA1207929A true CA1207929A (fr) 1986-07-15

Family

ID=4127398

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000449506A Expired CA1207929A (fr) 1984-03-13 1984-03-13 Telephone mains libres

Country Status (1)

Country Link
CA (1) CA1207929A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry