JPH0176860U - - Google Patents
Info
- Publication number
- JPH0176860U JPH0176860U JP1987171962U JP17196287U JPH0176860U JP H0176860 U JPH0176860 U JP H0176860U JP 1987171962 U JP1987171962 U JP 1987171962U JP 17196287 U JP17196287 U JP 17196287U JP H0176860 U JPH0176860 U JP H0176860U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- peak voltage
- solid
- image sensor
- state image
- 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
- 238000007689 inspection Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は本考案において固体撮像素子の電圧波形
を示す図、第３図は従来の巻糸パツケージの検査
装置を示す断面図である。
図中、５はレンズ、６は固体撮像素子、１１は
レンズ移動手段、１４はピーク検出器、１５は記
憶回路、１６は比較回路である。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a diagram showing a voltage waveform of a solid-state image pickup device in the present invention, and FIG. 3 is a sectional view showing a conventional winding package inspection device. In the figure, 5 is a lens, 6 is a solid-state image sensor, 11 is a lens moving means, 14 is a peak detector, 15 is a storage circuit, and 16 is a comparison circuit.
Claims (1)
レンズを通して固体撮像素子に結像させるべく、
そのレンズを移動させて焦点を制御するためのパ
ツケージ検査用カメラの焦点制御装置において、
上記レンズを光軸方向に移動してピントを調整す
るレンズ移動手段と、上記レンズの一の移動位置
で上記固体撮像素子からの電圧波形中のピーク電
圧を検出する検出器と、その検出器で検出された
ピーク電圧を記憶する記憶回路と、記憶回路から
のピーク電圧とレンズの他の移動位置でのピーク
電圧とを比較し、それに応じてレンズ移動手段に
てレンズを移動して固体撮像素子からのピーク電
圧が最大となるレンズ位置に調整するため比較回
路とを備えたことを特徴とするパツケージ検査用
カメラの焦点制御装置。 In order to irradiate the surface of the thread layer with a light source and image the reflected light on a solid-state image sensor through a lens,
In a focus control device for a package inspection camera for controlling the focus by moving the lens,
a lens moving means for adjusting the focus by moving the lens in the optical axis direction; a detector for detecting a peak voltage in the voltage waveform from the solid-state image sensor at one movement position of the lens; A memory circuit stores the detected peak voltage, and the peak voltage from the memory circuit is compared with the peak voltage at other movement positions of the lens, and the lens is moved by the lens moving means accordingly to move the lens to the solid-state image sensor. 1. A focus control device for a package inspection camera, comprising a comparison circuit for adjusting the lens position to a position where the peak voltage from the lens is maximized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17196287U JPH0322209Y2 (en) | 1987-11-12 | 1987-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17196287U JPH0322209Y2 (en) | 1987-11-12 | 1987-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0176860U true JPH0176860U (en) | 1989-05-24 |
| JPH0322209Y2 JPH0322209Y2 (en) | 1991-05-15 |
Family
ID=31463960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17196287U Expired JPH0322209Y2 (en) | 1987-11-12 | 1987-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322209Y2 (en) |
-
1987
- 1987-11-12 JP JP17196287U patent/JPH0322209Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0322209Y2 (en) | 1991-05-15 |
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