JPH041419U - - Google Patents
Info
- Publication number
- JPH041419U JPH041419U JP494090U JP494090U JPH041419U JP H041419 U JPH041419 U JP H041419U JP 494090 U JP494090 U JP 494090U JP 494090 U JP494090 U JP 494090U JP H041419 U JPH041419 U JP H041419U
- Authority
- JP
- Japan
- Prior art keywords
- cap
- infrared sensor
- pyroelectric infrared
- pyroelectric
- optical filter
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000002952 polymeric resin Substances 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
- 230000005855 radiation Effects 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図は本考案による一実施例。第２図は他の
実施例を示し、第３図は従来構造と本考案に基づ
く構造との温度の安定性を比較したグラフ、及び
第４図ａは従来構造、ｂはその回路図を示す。
１……焦電素子、１０，１４……光学フイルタ
、１１……シールドケース、１２……金属ベース
、１３……キヤツプ。
FIG. 1 shows an embodiment of the present invention. Figure 2 shows another embodiment, Figure 3 is a graph comparing the temperature stability of the conventional structure and the structure based on the present invention, and Figure 4 a shows the conventional structure and b shows its circuit diagram. . 1... Pyroelectric element, 10, 14... Optical filter, 11... Shield case, 12... Metal base, 13... Cap.
Claims (1)
子と、その信号を外部に取り出すための電子部品
と光学フイルタを取り付けたシールドケースから
なる焦電型赤外線センサにおいて、シールドケー
ス内にさらに一重のキヤツプを設けたことを特徴
とする焦電型赤外線センサ。 (2) 前記キヤツプが高分子樹脂でできているこ
とを特徴とする焦電型赤外線センサ。 (3) 前記キヤツプが金属・セラミツク又は高分
子樹脂でできており、その一部に光学フイルタを
設けたことを特徴とする焦電型赤外線センサ。[Claims for Utility Model Registration] (1) A pyroelectric infrared sensor consisting of a pyroelectric element that receives infrared radiation and converts it into an electrical signal, and a shield case equipped with electronic components and an optical filter to extract the signal to the outside. A pyroelectric infrared sensor characterized by further providing a single cap inside a shield case. (2) A pyroelectric infrared sensor, wherein the cap is made of polymer resin. (3) A pyroelectric infrared sensor, characterized in that the cap is made of metal, ceramic, or polymer resin, and a part of the cap is provided with an optical filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP494090U JPH041419U (en) | 1990-01-22 | 1990-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP494090U JPH041419U (en) | 1990-01-22 | 1990-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041419U true JPH041419U (en) | 1992-01-08 |
Family
ID=31508666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP494090U Pending JPH041419U (en) | 1990-01-22 | 1990-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041419U (en) |
-
1990
- 1990-01-22 JP JP494090U patent/JPH041419U/ja active Pending
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