CA983186A - Automatic telephone monitoring system - Google Patents

Automatic telephone monitoring system

Info

Publication number
CA983186A
CA983186A CA176,516A CA176516A CA983186A CA 983186 A CA983186 A CA 983186A CA 176516 A CA176516 A CA 176516A CA 983186 A CA983186 A CA 983186A
Authority
CA
Canada
Prior art keywords
monitoring system
automatic telephone
telephone monitoring
automatic
telephone
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
CA176,516A
Other versions
CA176516S (en
Inventor
Isao Shinohara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP7228372A external-priority patent/JPS5247690B2/ja
Priority claimed from JP7896072A external-priority patent/JPS5147531B2/ja
Priority claimed from JP47078961A external-priority patent/JPS5146685B2/ja
Priority claimed from JP8343872A external-priority patent/JPS5147532B2/ja
Priority claimed from JP47083437A external-priority patent/JPS4940522A/ja
Priority claimed from JP9643172A external-priority patent/JPS5215225B2/ja
Priority claimed from JP47128573A external-priority patent/JPS4984507A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA983186A publication Critical patent/CA983186A/en
Expired legal-status Critical Current

Links

CA176,516A 1972-07-17 1973-07-16 Automatic telephone monitoring system Expired CA983186A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP7228372A JPS5247690B2 (en) 1972-07-17 1972-07-17
JP7896072A JPS5147531B2 (en) 1972-08-07 1972-08-07
JP47078961A JPS5146685B2 (en) 1972-08-07 1972-08-07
JP8343872A JPS5147532B2 (en) 1972-08-21 1972-08-21
JP47083437A JPS4940522A (en) 1972-08-21 1972-08-21
JP9643172A JPS5215225B2 (en) 1972-09-25 1972-09-25
JP47128573A JPS4984507A (en) 1972-12-20 1972-12-20

Publications (1)

Publication Number Publication Date
CA983186A true CA983186A (en) 1976-02-03

Family

ID=27565176

Family Applications (1)

Application Number Title Priority Date Filing Date
CA176,516A Expired CA983186A (en) 1972-07-17 1973-07-16 Automatic telephone monitoring system

Country Status (1)

Country Link
CA (1) CA983186A (en)

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