JPS6189991U - - Google Patents
Info
- Publication number
- JPS6189991U JPS6189991U JP17548084U JP17548084U JPS6189991U JP S6189991 U JPS6189991 U JP S6189991U JP 17548084 U JP17548084 U JP 17548084U JP 17548084 U JP17548084 U JP 17548084U JP S6189991 U JPS6189991 U JP S6189991U
- Authority
- JP
- Japan
- Prior art keywords
- infrared sensor
- condensing mirror
- warning
- intruder
- issues
- 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
Links
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Electromechanical Clocks (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984175480U JPH0454551Y2 (da) | 1984-11-19 | 1984-11-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984175480U JPH0454551Y2 (da) | 1984-11-19 | 1984-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6189991U true JPS6189991U (da) | 1986-06-11 |
JPH0454551Y2 JPH0454551Y2 (da) | 1992-12-21 |
Family
ID=30733080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984175480U Expired JPH0454551Y2 (da) | 1984-11-19 | 1984-11-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0454551Y2 (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021010358A1 (ja) * | 2019-07-12 | 2021-01-21 | 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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021010358A1 (ja) * | 2019-07-12 | 2021-01-21 | 卓哉 仁科 | 目覚まし時計 |
Also Published As
Publication number | Publication date |
---|---|
JPH0454551Y2 (da) | 1992-12-21 |