JPS5990833U - Focusing device in thermography equipment - Google Patents
Focusing device in thermography equipmentInfo
- Publication number
- JPS5990833U JPS5990833U JP18834582U JP18834582U JPS5990833U JP S5990833 U JPS5990833 U JP S5990833U JP 18834582 U JP18834582 U JP 18834582U JP 18834582 U JP18834582 U JP 18834582U JP S5990833 U JPS5990833 U JP S5990833U
- Authority
- JP
- Japan
- Prior art keywords
- subject
- focal length
- specific portion
- signal
- video signal
- 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
Landscapes
- Radiation Pyrometers (AREA)
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
第１図は走査光学系を説明するための図、第２図は本発
明の一実施例の構成を示す図、第３図は画面の表示形態
を示す図、第４図は実施例の動作を説明するための波形
図である。
１：走査鏡、２：集光鏡、３：赤外線検出器、５゜６：
モータ、８：加算器、９：ＣＲＴ、 ｌ １：走査回路
、１２ｖ、１２Ｈ１，１２Ｈ２：ポテンショメータ、１
３Ｖ、 １３Ｈ１，１３Ｈ２：マグニチュードコンパ
レータ、１４：フリップフロップ回路、１６：ナツト、
１７：ネジ棒、１８：パルスモータ、１９：駆動回路、
２０．２３．３０．３２．３３．３４：スイッチ、２１
：微分回路、２２：ダイオード、２５゜２８＝ラッチ回
路、２６：コンパレータ、２７：最大値検出回路、２８
ニアツブダウンカウンタ、３１ニ一致検出器。
第３図Fig. 1 is a diagram for explaining the scanning optical system, Fig. 2 is a diagram showing the configuration of an embodiment of the present invention, Fig. 3 is a diagram showing the display form of the screen, and Fig. 4 is the operation of the embodiment. FIG. 2 is a waveform diagram for explaining. 1: Scanning mirror, 2: Condensing mirror, 3: Infrared detector, 5°6:
Motor, 8: Adder, 9: CRT, l 1: Scanning circuit, 12v, 12H1, 12H2: Potentiometer, 1
3V, 13H1, 13H2: Magnitude comparator, 14: Flip-flop circuit, 16: Nut,
17: Threaded rod, 18: Pulse motor, 19: Drive circuit,
20.23.30.32.33.34: Switch, 21
: Differential circuit, 22: Diode, 25°28 = latch circuit, 26: Comparator, 27: Maximum value detection circuit, 28
Near-tub down counter, 31 match detector. Figure 3
Claims (1)
集光手段と、該像スポットを被写体上で水平及び垂直方
向に走査するための走査手段とを−備え、走査に伴なっ
て赤外線検出器から得られる赤外線映像信号を表示手段
へ供給して被写体の温度分布像を表示するようにしたサ
ーモグラフィ装置において、前記集光手段の焦点距離を
掃引変化させる手段と、被写体上の特定部分を指定する
部分設定手段と、該特定部分を前記表示手段へ表示させ
る手段と、該設定手段の出力に基づき赤外線映像信号か
ら前記特定部分に対応する映像信号を取り出す手段と、
取出された映像信号から焦点に関する情報信号を得る手
段と、該情報信号が最適値を示す時の前記集光手段の焦
点距離に対応する− 信号を記憶する手段と、該
記憶手段に記憶された信号に基づいて前記集光手段の焦
点距離を前記情報信号が最適値を示した時の値に設定す
るための手段とを設けた焦点合わせ装置。A condensing means for focusing the image spot of the infrared detector on the subject, and a scanning means for scanning the image spot on the subject in horizontal and vertical directions. In a thermography apparatus that displays a temperature distribution image of a subject by supplying an infrared image signal obtained from a device to a display means, the thermography apparatus includes means for sweepingly changing the focal length of the light collecting means and specifying a specific portion on the subject. means for displaying the specific portion on the display means; and means for extracting a video signal corresponding to the specific portion from the infrared video signal based on the output of the setting device;
means for obtaining an information signal regarding the focal point from the extracted video signal; means for storing a signal corresponding to the focal length of the focusing means when the information signal indicates an optimum value; and means for setting the focal length of the light condensing means to a value when the information signal indicates an optimum value based on the signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18834582U JPS5990833U (en) | 1982-12-13 | 1982-12-13 | Focusing device in thermography equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18834582U JPS5990833U (en) | 1982-12-13 | 1982-12-13 | Focusing device in thermography equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5990833U true JPS5990833U (en) | 1984-06-20 |
| JPH0210426Y2 JPH0210426Y2 (en) | 1990-03-15 |
Family
ID=30406341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18834582U Granted JPS5990833U (en) | 1982-12-13 | 1982-12-13 | Focusing device in thermography equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5990833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020038306A (en) * | 2018-09-04 | 2020-03-12 | アズビル株式会社 | Focus adjustment assist device and focus adjustment assist method |
-
1982
- 1982-12-13 JP JP18834582U patent/JPS5990833U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020038306A (en) * | 2018-09-04 | 2020-03-12 | アズビル株式会社 | Focus adjustment assist device and focus adjustment assist method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210426Y2 (en) | 1990-03-15 |
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