JPH0398571U - - Google Patents
Info
- Publication number
- JPH0398571U JPH0398571U JP1990008078U JP807890U JPH0398571U JP H0398571 U JPH0398571 U JP H0398571U JP 1990008078 U JP1990008078 U JP 1990008078U JP 807890 U JP807890 U JP 807890U JP H0398571 U JPH0398571 U JP H0398571U
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- infrared light
- optical lens
- imaging device
- circuit
- 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
- 238000003331 infrared imaging Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Transforming Light Signals Into Electric Signals (AREA)
Description
第１図は、この考案の赤外線撮像装置の一実施
例の関連部分を示す構成図、第２図は、従来の赤
外線撮像装置の関連部分を示す図である。
図において、１……光学レンズ、２……シヤツ
タ、３……赤外線検知器、４……デユワ、５……
クーラ、６……アンプ、７……Ｓ／Ｈ回路、８…
…Ａ／Ｄ変換器、９……フレームメモリ、１０…
…減算回路、１１……Ｄ／Ａ変換器、２０……電
動焦点光学レンズである。なお、図中同一符号は
同一又は相当部分を示す。
FIG. 1 is a block diagram showing the relevant parts of an embodiment of the infrared imaging device of this invention, and FIG. 2 is a diagram showing the relevant parts of a conventional infrared imaging device. In the figure, 1...optical lens, 2...shutter, 3...infrared detector, 4...dewarmer, 5...
Cooler, 6...Amplifier, 7...S/H circuit, 8...
...A/D converter, 9...Frame memory, 10...
. . . subtraction circuit, 11 . . . D/A converter, 20 . . . electric focusing optical lens. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
と、結像した赤外光の像を光電変換し、さらに直
列電気信号として読み出す２次元配列の赤外線検
知器と、上記赤外線検知器の各画素の感度ばらつ
きを補正する補正回路とで構成される赤外線撮像
装置において、撮像する情景からの赤外光を取り
入れたまま、上記光学レンズの焦点を近距離位置
にずらせた状態とし、上記補正回路に赤外線検知
器の感度ばらつきデータを取り入れることを特徴
とする赤外線撮像装置。 an optical lens for condensing and imaging incident infrared light; a two-dimensional array of infrared detectors for photoelectrically converting the image of the formed infrared light and further reading it out as a serial electrical signal; In an infrared imaging device configured with a correction circuit that corrects sensitivity variations of each pixel, the focus of the optical lens is shifted to a short distance position while taking in infrared light from the scene to be imaged, and the above correction is performed. An infrared imaging device characterized by incorporating sensitivity variation data of an infrared detector into a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990008078U JPH0398571U (en) | 1990-01-30 | 1990-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990008078U JPH0398571U (en) | 1990-01-30 | 1990-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0398571U true JPH0398571U (en) | 1991-10-14 |
Family
ID=31511722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990008078U Pending JPH0398571U (en) | 1990-01-30 | 1990-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0398571U (en) |
-
1990
- 1990-01-30 JP JP1990008078U patent/JPH0398571U/ja active Pending
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