JPH04621Y2 - - Google Patents

Info

Publication number
JPH04621Y2
JPH04621Y2 JP1984065187U JP6518784U JPH04621Y2 JP H04621 Y2 JPH04621 Y2 JP H04621Y2 JP 1984065187 U JP1984065187 U JP 1984065187U JP 6518784 U JP6518784 U JP 6518784U JP H04621 Y2 JPH04621 Y2 JP H04621Y2
Authority
JP
Japan
Prior art keywords
visitor
light
terminal
light receiving
receiving element
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
Application number
JP1984065187U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60177545U (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 JP1984065187U priority Critical patent/JPS60177545U/ja
Publication of JPS60177545U publication Critical patent/JPS60177545U/ja
Application granted granted Critical
Publication of JPH04621Y2 publication Critical patent/JPH04621Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Closed-Circuit Television Systems (AREA)
JP1984065187U 1984-05-02 1984-05-02 インタ−ホン装置 Granted JPS60177545U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984065187U JPS60177545U (ja) 1984-05-02 1984-05-02 インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984065187U JPS60177545U (ja) 1984-05-02 1984-05-02 インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS60177545U JPS60177545U (ja) 1985-11-26
JPH04621Y2 true JPH04621Y2 (en]) 1992-01-09

Family

ID=30596959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984065187U Granted JPS60177545U (ja) 1984-05-02 1984-05-02 インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS60177545U (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2660283B2 (ja) * 1987-08-26 1997-10-08 松下電工株式会社 モニタテレビ付インターホンシステム

Also Published As

Publication number Publication date
JPS60177545U (ja) 1985-11-26

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