JPH0164790U - - Google Patents
Info
- Publication number
- JPH0164790U JPH0164790U JP1987158732U JP15873287U JPH0164790U JP H0164790 U JPH0164790 U JP H0164790U JP 1987158732 U JP1987158732 U JP 1987158732U JP 15873287 U JP15873287 U JP 15873287U JP H0164790 U JPH0164790 U JP H0164790U
- Authority
- JP
- Japan
- Prior art keywords
- heat ray
- heat
- focus
- lens
- reflector
- 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 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Description
図面は本考案実施例の構成を示した図である。
なお図において、１は熱線集束レンズ、２は発
光素子、３は素子２の回動軸、４は楕円反射鏡、
５は熱線検知素子である。
The drawings are diagrams showing the configuration of an embodiment of the present invention. In the figure, 1 is a heat ray focusing lens, 2 is a light emitting element, 3 is a rotation axis of element 2, 4 is an elliptical reflector,
5 is a heat ray detection element.
Claims (1)
一方の焦点とする楕円反射鏡と、上記楕円反射鏡
における他方の焦点に配置されて前記焦点に集束
した熱線が上記楕円反射鏡で反射して入射する熱
線検知素子と、前記熱線レンズの焦点に着脱自在
に配置してこのレンズにより可視光線を前記熱線
と逆向きに前方へ投射する発光素子とよりなる熱
線感知器。 A heat ray lens that focuses heat rays on one point, an elliptical reflector that has the above point as one focus, and a heat ray lens that is arranged at the other focus of the ellipse reflector so that the heat rays that are focused on the focus are reflected by the ellipse reflector. A heat ray sensor comprising an incident heat ray detection element and a light emitting element which is detachably arranged at the focal point of the heat ray lens and projects visible light forward in the opposite direction to the heat rays through the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15873287U JPH0525032Y2 (en) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15873287U JPH0525032Y2 (en) | 1987-10-19 | 1987-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0164790U true JPH0164790U (en) | 1989-04-25 |
| JPH0525032Y2 JPH0525032Y2 (en) | 1993-06-24 |
Family
ID=31439323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15873287U Expired - Lifetime JPH0525032Y2 (en) | 1987-10-19 | 1987-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0525032Y2 (en) |
-
1987
- 1987-10-19 JP JP15873287U patent/JPH0525032Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0525032Y2 (en) | 1993-06-24 |
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