JPH0481017U - - Google Patents
Info
- Publication number
- JPH0481017U JPH0481017U JP1990126006U JP12600690U JPH0481017U JP H0481017 U JPH0481017 U JP H0481017U JP 1990126006 U JP1990126006 U JP 1990126006U JP 12600690 U JP12600690 U JP 12600690U JP H0481017 U JPH0481017 U JP H0481017U
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- liquid crystal
- crystal shutter
- partition
- infrared rays
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
- Liquid Crystal (AREA)
Description
第１図は本考案の赤外線センサを示す断面図、
第２図は第１図の液晶シヤツタにおける赤外線の
調光率の雰囲気温度依存性を示す特性図、第３図
は第１図の赤外線センサにおけるセンサ出力の雰
囲気温度依存性を示す特性図である。
１……ケース、２……仕切り、５……赤外線入
射窓、６……液晶シヤツタ、１０……赤外線検出
素子、１１……赤外線反射板、１２……温度調整
装置。
FIG. 1 is a cross-sectional view showing the infrared sensor of the present invention.
Fig. 2 is a characteristic diagram showing the ambient temperature dependence of the infrared dimming rate in the liquid crystal shutter of Fig. 1, and Fig. 3 is a characteristic diagram showing the ambient temperature dependence of the sensor output in the infrared sensor of Fig. 1. . DESCRIPTION OF SYMBOLS 1... Case, 2... Partition, 5... Infrared incident window, 6... Liquid crystal shutter, 10... Infrared detection element, 11... Infrared reflector, 12... Temperature adjustment device.
Claims (1)
形成された仕切りにて内部が上下に仕切られるケ
ースと、 赤外線を透過させる一対の導電性基板間に液晶
を封入してなり、前記ケースの赤外線入射窓を施
蓋するように配設される液晶シヤツタと、 前記ケースの上部内の、前記液晶シヤツタと反
対側に配置される赤外線検出素子と、 前記赤外線入射窓、前記液晶シヤツタ及び前記
仕切りの一方の透孔を介して入射してくる赤外線
を反射して、前記仕切りの他方の透孔を介して前
記赤外線検出素子に導く赤外線反射板と、 前記ケースの上部内に配設され、前記液晶シヤ
ツタ及び赤外線検出素子を一定温度に保つ温度調
整装置と、 を備える赤外線センサ。[Scope of Claim for Utility Model Registration] A case in which an infrared incident window is provided at the top and the interior is divided into upper and lower parts by a partition with a set of through holes, and a liquid crystal display is placed between a pair of conductive substrates that transmit infrared rays. an infrared detection element disposed in the upper part of the case on the side opposite to the liquid crystal shutter; an infrared reflecting plate that reflects infrared rays incident through an entrance window, the liquid crystal shutter, and a through hole in one of the partitions, and guides the infrared rays to the infrared detecting element through the through hole in the other partition; an infrared sensor, comprising: a temperature adjustment device disposed in the upper part of the liquid crystal shutter and an infrared detection element to maintain a constant temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990126006U JPH0481017U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990126006U JPH0481017U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481017U true JPH0481017U (en) | 1992-07-15 |
Family
ID=31873582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990126006U Pending JPH0481017U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481017U (en) |
-
1990
- 1990-11-27 JP JP1990126006U patent/JPH0481017U/ja active Pending