JPH0325741B2 - - Google Patents
Info
- Publication number
- JPH0325741B2 JPH0325741B2 JP15718981A JP15718981A JPH0325741B2 JP H0325741 B2 JPH0325741 B2 JP H0325741B2 JP 15718981 A JP15718981 A JP 15718981A JP 15718981 A JP15718981 A JP 15718981A JP H0325741 B2 JPH0325741 B2 JP H0325741B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- level
- defect
- comparator
- output
- 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.)
- Expired
Links
- 230000007547 defect Effects 0.000 claims description 43
- 238000001514 detection method Methods 0.000 claims description 12
- 238000003384 imaging method Methods 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/93—Detection standards; Calibrating baseline adjustment, drift correction
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15718981A JPS5858448A (ja) | 1981-10-02 | 1981-10-02 | 欠点検出回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15718981A JPS5858448A (ja) | 1981-10-02 | 1981-10-02 | 欠点検出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5858448A JPS5858448A (ja) | 1983-04-07 |
JPH0325741B2 true JPH0325741B2 (en]) | 1991-04-08 |
Family
ID=15644140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15718981A Granted JPS5858448A (ja) | 1981-10-02 | 1981-10-02 | 欠点検出回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5858448A (en]) |
-
1981
- 1981-10-02 JP JP15718981A patent/JPS5858448A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5858448A (ja) | 1983-04-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0675345B1 (en) | Device and method for receiving light used in ccd image sensor or the like | |
US4622596A (en) | Image pickup apparatus | |
US4801788A (en) | Bar code scanner for a video signal which has a shading waveform | |
US4612454A (en) | Method for controlling signal integration time of a signal integration type image sensing device | |
JPS6243590B2 (en]) | ||
JPH0325741B2 (en]) | ||
US20230370743A1 (en) | Image sensor and image sensing method | |
US4277803A (en) | Automatic product checking system | |
CA1165432A (en) | Digital measurement system for automatically focusing a television camera | |
JP3008621B2 (ja) | 放射線測定装置 | |
JPH0346871B2 (en]) | ||
JPH0350217B2 (en]) | ||
US3813487A (en) | Detection devices for image analysis systems | |
JP2781387B2 (ja) | 測距装置 | |
JPS6212997Y2 (en]) | ||
CA2063070C (en) | White level detection circuit for an optical image reader | |
JPH0350216B2 (en]) | ||
JPH0153827B2 (en]) | ||
JPS6224989B2 (en]) | ||
JPS6019872B2 (ja) | 欠点検査装置 | |
JPS61144615A (ja) | 自動焦点検出装置 | |
JPS598474A (ja) | アナログ信号2値化装置 | |
JPS6219965Y2 (en]) | ||
JPH0317508Y2 (en]) | ||
JPS6129078Y2 (en]) |