JPS63142729U - - Google Patents
Info
- Publication number
- JPS63142729U JPS63142729U JP3456487U JP3456487U JPS63142729U JP S63142729 U JPS63142729 U JP S63142729U JP 3456487 U JP3456487 U JP 3456487U JP 3456487 U JP3456487 U JP 3456487U JP S63142729 U JPS63142729 U JP S63142729U
- Authority
- JP
- Japan
- Prior art keywords
- infrared sensor
- infrared
- reflecting mirror
- detection area
- projects
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Description
第１図はこの考案の一実施例における反射鏡お
よび赤外線センサを上方から見た図、第２図は同
実施例における反射鏡および赤外線センサを被検
出領域側から見た図、第３図は従来装置の全体的
な構成を示す図、第４図は第３図における反射鏡
および赤外線センサを上方から見た図である。
１０…反射鏡、２…赤外線センサ、Ａ…被検出
領域、１１，１２，１３…凹面。
FIG. 1 is a view of a reflector and an infrared sensor in an embodiment of this invention seen from above, FIG. 2 is a view of a reflector and an infrared sensor in the same embodiment as seen from the detection area side, and FIG. FIG. 4 is a diagram showing the overall configuration of the conventional device, and is a view of the reflecting mirror and infrared sensor in FIG. 3 viewed from above. DESCRIPTION OF SYMBOLS 10... Reflection mirror, 2... Infrared sensor, A... Detection area, 11, 12, 13... Concave surface.
Claims (1)
からの赤外線を集光して前記赤外線センサに投影
する反射鏡とからなり、この反射鏡の各凹面の面
積の比を前記赤外線センサの感度の指向性に応じ
て異ならせたことを特徴とする赤外線検知装置。 It consists of an infrared sensor and a reflecting mirror that has a plurality of concave surfaces and focuses infrared rays from a detection area and projects them onto the infrared sensor, and the ratio of the areas of each concave surface of this reflecting mirror is determined as the sensitivity of the infrared sensor. An infrared detection device characterized by different directivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3456487U JPS63142729U (en) | 1987-03-10 | 1987-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3456487U JPS63142729U (en) | 1987-03-10 | 1987-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63142729U true JPS63142729U (en) | 1988-09-20 |
Family
ID=30843238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3456487U Pending JPS63142729U (en) | 1987-03-10 | 1987-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63142729U (en) |
-
1987
- 1987-03-10 JP JP3456487U patent/JPS63142729U/ja active Pending