ZA731583B - Line circuit for a key telephone system - Google Patents

Line circuit for a key telephone system

Info

Publication number
ZA731583B
ZA731583B ZA731583A ZA731583A ZA731583B ZA 731583 B ZA731583 B ZA 731583B ZA 731583 A ZA731583 A ZA 731583A ZA 731583 A ZA731583 A ZA 731583A ZA 731583 B ZA731583 B ZA 731583B
Authority
ZA
South Africa
Prior art keywords
telephone system
line circuit
key telephone
key
circuit
Prior art date
Application number
ZA731583A
Inventor
K Schartmann
W Warner
Original Assignee
Northern Electric Co
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 filed Critical Northern Electric Co
Priority to ZA731583A priority Critical patent/ZA731583B/en
Publication of ZA731583B publication Critical patent/ZA731583B/en

Links

ZA731583A 1973-03-07 1973-03-07 Line circuit for a key telephone system ZA731583B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA731583A ZA731583B (en) 1973-03-07 1973-03-07 Line circuit for a key telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA731583A ZA731583B (en) 1973-03-07 1973-03-07 Line circuit for a key telephone system

Publications (1)

Publication Number Publication Date
ZA731583B true ZA731583B (en) 1973-11-28

Family

ID=25566048

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA731583A ZA731583B (en) 1973-03-07 1973-03-07 Line circuit for a key telephone system

Country Status (1)

Country Link
ZA (1) ZA731583B (en)

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