JPH0339747Y2 - - Google Patents
Info
- Publication number
- JPH0339747Y2 JPH0339747Y2 JP1985006495U JP649585U JPH0339747Y2 JP H0339747 Y2 JPH0339747 Y2 JP H0339747Y2 JP 1985006495 U JP1985006495 U JP 1985006495U JP 649585 U JP649585 U JP 649585U JP H0339747 Y2 JPH0339747 Y2 JP H0339747Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- ring
- receiver
- light receiver
- transmitter
- 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
Links
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985006495U JPH0339747Y2 (enrdf_load_stackoverflow) | 1985-01-21 | 1985-01-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985006495U JPH0339747Y2 (enrdf_load_stackoverflow) | 1985-01-21 | 1985-01-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61123985U JPS61123985U (enrdf_load_stackoverflow) | 1986-08-04 |
JPH0339747Y2 true JPH0339747Y2 (enrdf_load_stackoverflow) | 1991-08-21 |
Family
ID=30483987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985006495U Expired JPH0339747Y2 (enrdf_load_stackoverflow) | 1985-01-21 | 1985-01-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0339747Y2 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020012706A1 (ja) * | 2018-07-13 | 2020-01-16 | 三菱重工業株式会社 | 防爆機器 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009087240A (ja) * | 2007-10-02 | 2009-04-23 | Otec Denshi Kk | 赤外線センサの光軸自動調整方法、赤外線センサの光軸自動調整システムおよびそれに用いる赤外線センサの光軸調整装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS524935U (enrdf_load_stackoverflow) * | 1975-06-26 | 1977-01-13 | ||
JPS554263Y2 (enrdf_load_stackoverflow) * | 1976-08-17 | 1980-01-31 |
-
1985
- 1985-01-21 JP JP1985006495U patent/JPH0339747Y2/ja not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020012706A1 (ja) * | 2018-07-13 | 2020-01-16 | 三菱重工業株式会社 | 防爆機器 |
JP2020013649A (ja) * | 2018-07-13 | 2020-01-23 | 三菱重工業株式会社 | 防爆機器 |
US11876234B2 (en) | 2018-07-13 | 2024-01-16 | Mitsubishi Heavy Industries, Ltd. | Explosion-proof apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS61123985U (enrdf_load_stackoverflow) | 1986-08-04 |