JPH0454551Y2 - - Google Patents
Info
- Publication number
- JPH0454551Y2 JPH0454551Y2 JP1984175480U JP17548084U JPH0454551Y2 JP H0454551 Y2 JPH0454551 Y2 JP H0454551Y2 JP 1984175480 U JP1984175480 U JP 1984175480U JP 17548084 U JP17548084 U JP 17548084U JP H0454551 Y2 JPH0454551 Y2 JP H0454551Y2
- Authority
- JP
- Japan
- Prior art keywords
- infrared sensor
- warning
- light
- dark
- intruder
- 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
- 238000001514 detection method Methods 0.000 claims description 14
- 206010041349 Somnolence Diseases 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
Landscapes
- Electromechanical Clocks (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984175480U JPH0454551Y2 (US06653308-20031125-C00197.png) | 1984-11-19 | 1984-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984175480U JPH0454551Y2 (US06653308-20031125-C00197.png) | 1984-11-19 | 1984-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6189991U JPS6189991U (US06653308-20031125-C00197.png) | 1986-06-11 |
| JPH0454551Y2 true JPH0454551Y2 (US06653308-20031125-C00197.png) | 1992-12-21 |
Family
ID=30733080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984175480U Expired JPH0454551Y2 (US06653308-20031125-C00197.png) | 1984-11-19 | 1984-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454551Y2 (US06653308-20031125-C00197.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6703174B1 (ja) * | 2019-07-12 | 2020-06-03 | 卓哉 仁科 | 目覚まし時計 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57792A (en) * | 1980-04-08 | 1982-01-05 | American District Telegraph Co | Infrared ray invasion detector |
| JPS5756770A (en) * | 1980-09-22 | 1982-04-05 | Hitachi Ltd | Human body detector |
-
1984
- 1984-11-19 JP JP1984175480U patent/JPH0454551Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57792A (en) * | 1980-04-08 | 1982-01-05 | American District Telegraph Co | Infrared ray invasion detector |
| JPS5756770A (en) * | 1980-09-22 | 1982-04-05 | Hitachi Ltd | Human body detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6189991U (US06653308-20031125-C00197.png) | 1986-06-11 |
