JPH0631800Y2 - インターホンの呼出回路 - Google Patents

インターホンの呼出回路

Info

Publication number
JPH0631800Y2
JPH0631800Y2 JP12603088U JP12603088U JPH0631800Y2 JP H0631800 Y2 JPH0631800 Y2 JP H0631800Y2 JP 12603088 U JP12603088 U JP 12603088U JP 12603088 U JP12603088 U JP 12603088U JP H0631800 Y2 JPH0631800 Y2 JP H0631800Y2
Authority
JP
Japan
Prior art keywords
signal
circuit
ringing
alarm
output
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
JP12603088U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0246456U (OSRAM
Inventor
茂 松本
正浩 菊池
信一 中山
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP12603088U priority Critical patent/JPH0631800Y2/ja
Publication of JPH0246456U publication Critical patent/JPH0246456U/ja
Application granted granted Critical
Publication of JPH0631800Y2 publication Critical patent/JPH0631800Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP12603088U 1988-09-27 1988-09-27 インターホンの呼出回路 Expired - Lifetime JPH0631800Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12603088U JPH0631800Y2 (ja) 1988-09-27 1988-09-27 インターホンの呼出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12603088U JPH0631800Y2 (ja) 1988-09-27 1988-09-27 インターホンの呼出回路

Publications (2)

Publication Number Publication Date
JPH0246456U JPH0246456U (OSRAM) 1990-03-29
JPH0631800Y2 true JPH0631800Y2 (ja) 1994-08-22

Family

ID=31377168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12603088U Expired - Lifetime JPH0631800Y2 (ja) 1988-09-27 1988-09-27 インターホンの呼出回路

Country Status (1)

Country Link
JP (1) JPH0631800Y2 (OSRAM)

Also Published As

Publication number Publication date
JPH0246456U (OSRAM) 1990-03-29

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