JPH0741234Y2 - 電話機用ドアホン接続回路 - Google Patents

電話機用ドアホン接続回路

Info

Publication number
JPH0741234Y2
JPH0741234Y2 JP1986181349U JP18134986U JPH0741234Y2 JP H0741234 Y2 JPH0741234 Y2 JP H0741234Y2 JP 1986181349 U JP1986181349 U JP 1986181349U JP 18134986 U JP18134986 U JP 18134986U JP H0741234 Y2 JPH0741234 Y2 JP H0741234Y2
Authority
JP
Japan
Prior art keywords
intercom
telephone
circuit
connection
doorphone
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
JP1986181349U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6385938U (OSRAM
Inventor
欣也 岩本
義春 鈴木
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 JP1986181349U priority Critical patent/JPH0741234Y2/ja
Publication of JPS6385938U publication Critical patent/JPS6385938U/ja
Application granted granted Critical
Publication of JPH0741234Y2 publication Critical patent/JPH0741234Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP1986181349U 1986-11-26 1986-11-26 電話機用ドアホン接続回路 Expired - Lifetime JPH0741234Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986181349U JPH0741234Y2 (ja) 1986-11-26 1986-11-26 電話機用ドアホン接続回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986181349U JPH0741234Y2 (ja) 1986-11-26 1986-11-26 電話機用ドアホン接続回路

Publications (2)

Publication Number Publication Date
JPS6385938U JPS6385938U (OSRAM) 1988-06-04
JPH0741234Y2 true JPH0741234Y2 (ja) 1995-09-20

Family

ID=31126139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986181349U Expired - Lifetime JPH0741234Y2 (ja) 1986-11-26 1986-11-26 電話機用ドアホン接続回路

Country Status (1)

Country Link
JP (1) JPH0741234Y2 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI748681B (zh) * 2020-10-08 2021-12-01 和碩聯合科技股份有限公司 門鈴控制電路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133736A (ja) * 1983-01-20 1984-08-01 Ricoh Co Ltd 信号入出力装置
JPS61212953A (ja) * 1985-03-18 1986-09-20 Matsushita Electric Ind Co Ltd ドアホン付電話装置

Also Published As

Publication number Publication date
JPS6385938U (OSRAM) 1988-06-04

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