JPH0641411Y2 - 局線の使用状態を表示する回路を備えた電話装置 - Google Patents

局線の使用状態を表示する回路を備えた電話装置

Info

Publication number
JPH0641411Y2
JPH0641411Y2 JP2157788U JP2157788U JPH0641411Y2 JP H0641411 Y2 JPH0641411 Y2 JP H0641411Y2 JP 2157788 U JP2157788 U JP 2157788U JP 2157788 U JP2157788 U JP 2157788U JP H0641411 Y2 JPH0641411 Y2 JP H0641411Y2
Authority
JP
Japan
Prior art keywords
hook
circuit
hold
state
master unit
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 - Lifetime
Application number
JP2157788U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01126756U (enrdf_load_stackoverflow
Inventor
増雄 田中
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
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 JPH01126756U (enrdf_load_stackoverflow) 1989-08-30
JPH0641411Y2 true 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 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH01126756U (enrdf_load_stackoverflow) 1989-08-30

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