JPH0319930U - - Google Patents
Info
- Publication number
- JPH0319930U JPH0319930U JP8065589U JP8065589U JPH0319930U JP H0319930 U JPH0319930 U JP H0319930U JP 8065589 U JP8065589 U JP 8065589U JP 8065589 U JP8065589 U JP 8065589U JP H0319930 U JPH0319930 U JP H0319930U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- receiving window
- infrared
- detection device
- weight
- 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 3
- 230000003287 optical effect Effects 0.000 claims 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 239000006229 carbon black Substances 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
Description
第１図は本考案の一実施例の斜視図、第２図は
本考案の他の実施例の正面図、第３図は本考案の
効果を示す特性図である。
２，８……赤外線検出装置、３……受光窓、４
……フレネルレンズ（受光窓カバー体）、９……
カバー（受光窓カバー体）。
FIG. 1 is a perspective view of one embodiment of the present invention, FIG. 2 is a front view of another embodiment of the present invention, and FIG. 3 is a characteristic diagram showing the effects of the present invention. 2, 8... Infrared detection device, 3... Light receiving window, 4
...Fresnel lens (light receiving window cover body), 9...
Cover (light receiving window cover body).
Claims (1)
対向して赤外線検出素子が設けられ、この赤外線
検出素子により前記受光窓から入射する赤外線光
束をその変動量に応じた電気信号に変換するよう
になつた赤外線検出装置において、前記受光窓に
施蓋状態に嵌着する光学系または光学フイルタか
らなる受光窓カバー体を、カーボンブラツクが０
．００５重量％以上０．２重量％以下の割合で混
入されたポリエチレンで構成したことを特徴とす
る受動型赤外線検出装置。 An infrared detecting element is provided inside the case body facing a light receiving window formed in the case body, and the infrared detecting element converts the infrared light flux incident from the light receiving window into an electric signal according to the amount of variation thereof. In a modern infrared detection device, a light receiving window cover body consisting of an optical system or an optical filter that is fitted into the light receiving window in a closed state is coated with zero carbon black.
．． A passive infrared detection device characterized in that it is made of polyethylene mixed in a proportion of 0.05% by weight or more and 0.2% by weight or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8065589U JPH0744979Y2 (en) | 1989-07-07 | 1989-07-07 | Infrared detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8065589U JPH0744979Y2 (en) | 1989-07-07 | 1989-07-07 | Infrared detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0319930U true JPH0319930U (en) | 1991-02-27 |
| JPH0744979Y2 JPH0744979Y2 (en) | 1995-10-11 |
Family
ID=31625912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8065589U Expired - Lifetime JPH0744979Y2 (en) | 1989-07-07 | 1989-07-07 | Infrared detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744979Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042841A (en) * | 2001-07-30 | 2003-02-13 | Nissan Motor Co Ltd | Infrared sensor cover and infrared sensor unit using the same |
-
1989
- 1989-07-07 JP JP8065589U patent/JPH0744979Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042841A (en) * | 2001-07-30 | 2003-02-13 | Nissan Motor Co Ltd | Infrared sensor cover and infrared sensor unit using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0744979Y2 (en) | 1995-10-11 |
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