JPH0411152B2 - - Google Patents

Info

Publication number
JPH0411152B2
JPH0411152B2 JP61074494A JP7449486A JPH0411152B2 JP H0411152 B2 JPH0411152 B2 JP H0411152B2 JP 61074494 A JP61074494 A JP 61074494A JP 7449486 A JP7449486 A JP 7449486A JP H0411152 B2 JPH0411152 B2 JP H0411152B2
Authority
JP
Japan
Prior art keywords
telephone
detection circuit
hook
hook detection
switching means
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
JP61074494A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62231555A (ja
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 filed Critical
Priority to JP61074494A priority Critical patent/JPS62231555A/ja
Publication of JPS62231555A publication Critical patent/JPS62231555A/ja
Publication of JPH0411152B2 publication Critical patent/JPH0411152B2/ja
Granted legal-status Critical Current

Links

JP61074494A 1986-03-31 1986-03-31 電話回線切替装置 Granted JPS62231555A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61074494A JPS62231555A (ja) 1986-03-31 1986-03-31 電話回線切替装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61074494A JPS62231555A (ja) 1986-03-31 1986-03-31 電話回線切替装置

Publications (2)

Publication Number Publication Date
JPS62231555A JPS62231555A (ja) 1987-10-12
JPH0411152B2 true JPH0411152B2 (cs) 1992-02-27

Family

ID=13548908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61074494A Granted JPS62231555A (ja) 1986-03-31 1986-03-31 電話回線切替装置

Country Status (1)

Country Link
JP (1) JPS62231555A (cs)

Also Published As

Publication number Publication date
JPS62231555A (ja) 1987-10-12

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees