JPS617176U - 光線式警戒装置 - Google Patents

光線式警戒装置

Info

Publication number
JPS617176U
JPS617176U JP8935984U JP8935984U JPS617176U JP S617176 U JPS617176 U JP S617176U JP 8935984 U JP8935984 U JP 8935984U JP 8935984 U JP8935984 U JP 8935984U JP S617176 U JPS617176 U JP S617176U
Authority
JP
Japan
Prior art keywords
light beam
warning device
warning
light
television camera
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
JP8935984U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0533117Y2 (enrdf_load_stackoverflow
Inventor
武久 川嶋
Original Assignee
オ−テツク電子株式会社
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 オ−テツク電子株式会社 filed Critical オ−テツク電子株式会社
Priority to JP8935984U priority Critical patent/JPS617176U/ja
Publication of JPS617176U publication Critical patent/JPS617176U/ja
Application granted granted Critical
Publication of JPH0533117Y2 publication Critical patent/JPH0533117Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Closed-Circuit Television Systems (AREA)
  • Burglar Alarm Systems (AREA)
JP8935984U 1984-06-18 1984-06-18 光線式警戒装置 Granted JPS617176U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8935984U JPS617176U (ja) 1984-06-18 1984-06-18 光線式警戒装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8935984U JPS617176U (ja) 1984-06-18 1984-06-18 光線式警戒装置

Publications (2)

Publication Number Publication Date
JPS617176U true JPS617176U (ja) 1986-01-17
JPH0533117Y2 JPH0533117Y2 (enrdf_load_stackoverflow) 1993-08-24

Family

ID=30643358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8935984U Granted JPS617176U (ja) 1984-06-18 1984-06-18 光線式警戒装置

Country Status (1)

Country Link
JP (1) JPS617176U (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506730U (enrdf_load_stackoverflow) * 1973-05-18 1975-01-23
JPS5025415U (enrdf_load_stackoverflow) * 1973-06-28 1975-03-24
JPS5159226A (ja) * 1974-11-20 1976-05-24 Nippon Cetu Kk Hoanyoterebikanshisochi
JPS557747A (en) * 1978-06-30 1980-01-19 Nec Corp Light modulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506730U (enrdf_load_stackoverflow) * 1973-05-18 1975-01-23
JPS5025415U (enrdf_load_stackoverflow) * 1973-06-28 1975-03-24
JPS5159226A (ja) * 1974-11-20 1976-05-24 Nippon Cetu Kk Hoanyoterebikanshisochi
JPS557747A (en) * 1978-06-30 1980-01-19 Nec Corp Light modulator

Also Published As

Publication number Publication date
JPH0533117Y2 (enrdf_load_stackoverflow) 1993-08-24

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