JPS6110529U - Passive infrared detection device - Google Patents
Passive infrared detection deviceInfo
- Publication number
- JPS6110529U JPS6110529U JP9506984U JP9506984U JPS6110529U JP S6110529 U JPS6110529 U JP S6110529U JP 9506984 U JP9506984 U JP 9506984U JP 9506984 U JP9506984 U JP 9506984U JP S6110529 U JPS6110529 U JP S6110529U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- infrared detection
- passive infrared
- infrared
- light emitting
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第１図は本考案の実施例を説明するための光学系構造の
平面図、第２図は従来の受動型赤外線検出装置の光学系
を説明する平面図、第３図は第１図より遠方における反
射光ｅ，ｆ１９ ｆ２ ｇの関係を示す図である。
１・・・赤外線検知素子、２，５・・・複合凹面鏡、３
，６・・・凹面、４・・・発光素子、Ａ， Ｂ〜Ｊ，Ｋ
，Ｆｌ，Ｆ２−・・単位反射鏡（鏡）、ａ，ｂ，〜ｊ，
ｋ＊ ｆ１，ｆ２・・・反射光。[Brief Description of the Drawings] Fig. 1 is a plan view of the optical system structure for explaining an embodiment of the present invention, Fig. 2 is a plan view for explaining the optical system of a conventional passive infrared detection device, and Fig. 3 is a plan view for explaining the optical system of a conventional passive infrared detection device. The figure is a diagram showing the relationship between the reflected lights e and f19 f2 g at a farther distance than in FIG. 1. 1... Infrared detection element, 2, 5... Composite concave mirror, 3
, 6... Concave surface, 4... Light emitting element, A, B to J, K
, Fl, F2-...unit reflecting mirror (mirror), a, b, ~j,
k* f1, f2...Reflected light.
Claims (1)
ほぼ焦点位置に置かれた赤外線検知素子で視野方向から
の赤外線を検知する装置において、前記赤外線検知素子
の近傍に発光素子を設け、上記複合凹面鏡の連続しない
単位反射鏡の少くとも二枚が上記発光素子からの光を同
一方向（基準方向）に反射するように配設されたことを
特徴とする受動型赤外線検知装置。In a device for detecting infrared rays from a viewing direction with an infrared detecting element placed approximately at the focal point of a composite concave mirror in which a large number of unit reflecting mirrors are arranged along a concave surface, a light emitting element is provided near the infrared detecting element, and the above-mentioned A passive infrared detection device characterized in that at least two discontinuous unit reflecting mirrors of the composite concave mirror are arranged so as to reflect light from the light emitting element in the same direction (reference direction).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9506984U JPS6110529U (en) | 1984-06-25 | 1984-06-25 | Passive infrared detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9506984U JPS6110529U (en) | 1984-06-25 | 1984-06-25 | Passive infrared detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6110529U true JPS6110529U (en) | 1986-01-22 |
| JPH0424424Y2 JPH0424424Y2 (en) | 1992-06-09 |
Family
ID=30654020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9506984U Granted JPS6110529U (en) | 1984-06-25 | 1984-06-25 | Passive infrared detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6110529U (en) |
-
1984
- 1984-06-25 JP JP9506984U patent/JPS6110529U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424424Y2 (en) | 1992-06-09 |
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