JPS6139190A - 光線式警戒装置 - Google Patents

光線式警戒装置

Info

Publication number
JPS6139190A
JPS6139190A JP15862884A JP15862884A JPS6139190A JP S6139190 A JPS6139190 A JP S6139190A JP 15862884 A JP15862884 A JP 15862884A JP 15862884 A JP15862884 A JP 15862884A JP S6139190 A JPS6139190 A JP S6139190A
Authority
JP
Japan
Prior art keywords
warning
light
signal
light beam
receiver
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
JP15862884A
Other languages
English (en)
Japanese (ja)
Other versions
JPH056716B2 (enrdf_load_stackoverflow
Inventor
博 小野
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.)
OOTEC DENSHI KK
Original Assignee
OOTEC DENSHI KK
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 OOTEC DENSHI KK filed Critical OOTEC DENSHI KK
Priority to JP15862884A priority Critical patent/JPS6139190A/ja
Publication of JPS6139190A publication Critical patent/JPS6139190A/ja
Publication of JPH056716B2 publication Critical patent/JPH056716B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
JP15862884A 1984-07-31 1984-07-31 光線式警戒装置 Granted JPS6139190A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15862884A JPS6139190A (ja) 1984-07-31 1984-07-31 光線式警戒装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15862884A JPS6139190A (ja) 1984-07-31 1984-07-31 光線式警戒装置

Publications (2)

Publication Number Publication Date
JPS6139190A true JPS6139190A (ja) 1986-02-25
JPH056716B2 JPH056716B2 (enrdf_load_stackoverflow) 1993-01-27

Family

ID=15675859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15862884A Granted JPS6139190A (ja) 1984-07-31 1984-07-31 光線式警戒装置

Country Status (1)

Country Link
JP (1) JPS6139190A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH056716B2 (enrdf_load_stackoverflow) 1993-01-27

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