CA931291A - Timing and control circuit for intercom telephone system - Google Patents

Timing and control circuit for intercom telephone system

Info

Publication number
CA931291A
CA931291A CA106002A CA106002A CA931291A CA 931291 A CA931291 A CA 931291A CA 106002 A CA106002 A CA 106002A CA 106002 A CA106002 A CA 106002A CA 931291 A CA931291 A CA 931291A
Authority
CA
Canada
Prior art keywords
timing
control circuit
telephone system
intercom telephone
intercom
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
CA106002A
Other versions
CA106002S (en
Inventor
J. Warner Wesley
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
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 Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Priority to CA106002A priority Critical patent/CA931291A/en
Application granted granted Critical
Publication of CA931291A publication Critical patent/CA931291A/en
Expired legal-status Critical Current

Links

CA106002A 1971-02-19 1971-02-19 Timing and control circuit for intercom telephone system Expired CA931291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA106002A CA931291A (en) 1971-02-19 1971-02-19 Timing and control circuit for intercom telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA106002A CA931291A (en) 1971-02-19 1971-02-19 Timing and control circuit for intercom telephone system

Publications (1)

Publication Number Publication Date
CA931291A true CA931291A (en) 1973-07-31

Family

ID=4088847

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106002A Expired CA931291A (en) 1971-02-19 1971-02-19 Timing and control circuit for intercom telephone system

Country Status (1)

Country Link
CA (1) CA931291A (en)

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