JPS60177544U - インタ−ホン装置 - Google Patents

インタ−ホン装置

Info

Publication number
JPS60177544U
JPS60177544U JP6518684U JP6518684U JPS60177544U JP S60177544 U JPS60177544 U JP S60177544U JP 6518684 U JP6518684 U JP 6518684U JP 6518684 U JP6518684 U JP 6518684U JP S60177544 U JPS60177544 U JP S60177544U
Authority
JP
Japan
Prior art keywords
visitor
light
receiving element
comparator
timer circuit
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.)
Granted
Application number
JP6518684U
Other languages
English (en)
Japanese (ja)
Other versions
JPH04620Y2 (ko
Inventor
唐沢　幸孝
小坂　和夫
Original Assignee
京セラ株式会社
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 京セラ株式会社 filed Critical 京セラ株式会社
Priority to JP6518684U priority Critical patent/JPS60177544U/ja
Publication of JPS60177544U publication Critical patent/JPS60177544U/ja
Application granted granted Critical
Publication of JPH04620Y2 publication Critical patent/JPH04620Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Closed-Circuit Television Systems (AREA)
JP6518684U 1984-05-02 1984-05-02 インタ−ホン装置 Granted JPS60177544U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6518684U JPS60177544U (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
JP6518684U JPS60177544U (ja) 1984-05-02 1984-05-02 インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS60177544U true JPS60177544U (ja) 1985-11-26
JPH04620Y2 JPH04620Y2 (ko) 1992-01-09

Family

ID=30596957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6518684U Granted JPS60177544U (ja) 1984-05-02 1984-05-02 インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS60177544U (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6315686U (ko) * 1986-07-15 1988-02-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6315686U (ko) * 1986-07-15 1988-02-02

Also Published As

Publication number Publication date
JPH04620Y2 (ko) 1992-01-09

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