JPS63266965A - 光学式画像入力装置の白レベル検出回路 - Google Patents
光学式画像入力装置の白レベル検出回路Info
- Publication number
- JPS63266965A JPS63266965A JP62101072A JP10107287A JPS63266965A JP S63266965 A JPS63266965 A JP S63266965A JP 62101072 A JP62101072 A JP 62101072A JP 10107287 A JP10107287 A JP 10107287A JP S63266965 A JPS63266965 A JP S63266965A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- white level
- discharging
- time constant
- 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
- 230000003287 optical effect Effects 0.000 title claims description 9
- 238000001514 detection method Methods 0.000 title claims description 5
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 230000004069 differentiation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- Image Input (AREA)
- Facsimile Image Signal Circuits (AREA)
- Character Input (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62101072A JPS63266965A (ja) | 1987-04-23 | 1987-04-23 | 光学式画像入力装置の白レベル検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62101072A JPS63266965A (ja) | 1987-04-23 | 1987-04-23 | 光学式画像入力装置の白レベル検出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63266965A true JPS63266965A (ja) | 1988-11-04 |
| JPH0531992B2 JPH0531992B2 (enrdf_load_stackoverflow) | 1993-05-13 |
Family
ID=14290899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62101072A Granted JPS63266965A (ja) | 1987-04-23 | 1987-04-23 | 光学式画像入力装置の白レベル検出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63266965A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04241351A (ja) * | 1991-01-14 | 1992-08-28 | Shin Etsu Chem Co Ltd | 光学系ゴミよけ用ペリクル |
-
1987
- 1987-04-23 JP JP62101072A patent/JPS63266965A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04241351A (ja) * | 1991-01-14 | 1992-08-28 | Shin Etsu Chem Co Ltd | 光学系ゴミよけ用ペリクル |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0531992B2 (enrdf_load_stackoverflow) | 1993-05-13 |
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