JPH0249255U - - Google Patents

Info

Publication number
JPH0249255U
JPH0249255U JP12811588U JP12811588U JPH0249255U JP H0249255 U JPH0249255 U JP H0249255U JP 12811588 U JP12811588 U JP 12811588U JP 12811588 U JP12811588 U JP 12811588U JP H0249255 U JPH0249255 U JP H0249255U
Authority
JP
Japan
Prior art keywords
circuit
brightness
signal
intercom
control
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.)
Pending
Application number
JP12811588U
Other languages
English (en)
Japanese (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 JP12811588U priority Critical patent/JPH0249255U/ja
Publication of JPH0249255U publication Critical patent/JPH0249255U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP12811588U 1988-09-30 1988-09-30 Pending JPH0249255U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12811588U JPH0249255U (OSRAM) 1988-09-30 1988-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12811588U JPH0249255U (OSRAM) 1988-09-30 1988-09-30

Publications (1)

Publication Number Publication Date
JPH0249255U true JPH0249255U (OSRAM) 1990-04-05

Family

ID=31381152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12811588U Pending JPH0249255U (OSRAM) 1988-09-30 1988-09-30

Country Status (1)

Country Link
JP (1) JPH0249255U (OSRAM)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6124387A (ja) * 1984-07-12 1986-02-03 Kuroi Electric Ind Co 監視装置
JPS61182363A (ja) * 1985-02-07 1986-08-15 Matsushita Electric Ind Co Ltd 共同玄関装置
JPS61242482A (ja) * 1985-04-19 1986-10-28 Matsushita Electric Ind Co Ltd 録画機能付インタ−ホン装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6124387A (ja) * 1984-07-12 1986-02-03 Kuroi Electric Ind Co 監視装置
JPS61182363A (ja) * 1985-02-07 1986-08-15 Matsushita Electric Ind Co Ltd 共同玄関装置
JPS61242482A (ja) * 1985-04-19 1986-10-28 Matsushita Electric Ind Co Ltd 録画機能付インタ−ホン装置

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