JPH01126756U - - Google Patents

Info

Publication number
JPH01126756U
JPH01126756U JP2157788U JP2157788U JPH01126756U JP H01126756 U JPH01126756 U JP H01126756U JP 2157788 U JP2157788 U JP 2157788U JP 2157788 U JP2157788 U JP 2157788U JP H01126756 U JPH01126756 U JP H01126756U
Authority
JP
Japan
Prior art keywords
hook
circuit
logic
unit
logic level
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.)
Granted
Application number
JP2157788U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0641411Y2 (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 JP2157788U priority Critical patent/JPH0641411Y2/ja
Publication of JPH01126756U publication Critical patent/JPH01126756U/ja
Application granted granted Critical
Publication of JPH0641411Y2 publication Critical patent/JPH0641411Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2157788U 1988-02-19 1988-02-19 局線の使用状態を表示する回路を備えた電話装置 Expired - Lifetime JPH0641411Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2157788U JPH0641411Y2 (ja) 1988-02-19 1988-02-19 局線の使用状態を表示する回路を備えた電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2157788U JPH0641411Y2 (ja) 1988-02-19 1988-02-19 局線の使用状態を表示する回路を備えた電話装置

Publications (2)

Publication Number Publication Date
JPH01126756U true JPH01126756U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-08-30
JPH0641411Y2 JPH0641411Y2 (ja) 1994-10-26

Family

ID=31238939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2157788U Expired - Lifetime JPH0641411Y2 (ja) 1988-02-19 1988-02-19 局線の使用状態を表示する回路を備えた電話装置

Country Status (1)

Country Link
JP (1) JPH0641411Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPH0641411Y2 (ja) 1994-10-26

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