JPS644092Y2 - - Google Patents
Info
- Publication number
- JPS644092Y2 JPS644092Y2 JP6756584U JP6756584U JPS644092Y2 JP S644092 Y2 JPS644092 Y2 JP S644092Y2 JP 6756584 U JP6756584 U JP 6756584U JP 6756584 U JP6756584 U JP 6756584U JP S644092 Y2 JPS644092 Y2 JP S644092Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- low
- pass filter
- pitch
- filter
- 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
- 239000000463 material Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Optical Filters (AREA)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6756584U JPS60178820U (ja) | 1984-05-09 | 1984-05-09 | ロ−パスフイルタ− |
| US06/688,292 US4613896A (en) | 1984-03-30 | 1985-01-02 | Methods and apparatus for avoiding moire in color scanners for graphic art |
| DE19853501691 DE3501691A1 (de) | 1984-03-30 | 1985-01-19 | Verfahren und vorrichtung zum vermeiden des auftretens von moire |
| GB08504209A GB2156538B (en) | 1984-03-30 | 1985-02-19 | Avoiding or reducing moire patterns in reproduction images produced by scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6756584U JPS60178820U (ja) | 1984-05-09 | 1984-05-09 | ロ−パスフイルタ− |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60178820U JPS60178820U (ja) | 1985-11-27 |
| JPS644092Y2 true JPS644092Y2 (forum.php) | 1989-02-02 |
Family
ID=30601511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6756584U Granted JPS60178820U (ja) | 1984-03-30 | 1984-05-09 | ロ−パスフイルタ− |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60178820U (forum.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI471550B (zh) * | 2009-04-22 | 2015-02-01 | Iix Inc | 濾光器及顯示器評估系統 |
-
1984
- 1984-05-09 JP JP6756584U patent/JPS60178820U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60178820U (ja) | 1985-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3940788A (en) | Color television camera optical system | |
| US5438366A (en) | Aspherical blur filter for reducing artifacts in imaging apparatus | |
| US4255019A (en) | Diffractive color filter | |
| US4613896A (en) | Methods and apparatus for avoiding moire in color scanners for graphic art | |
| US3681519A (en) | Single-tube color cameras with optical spatial frequency filters | |
| JPH056951B2 (forum.php) | ||
| JPH0251172B2 (forum.php) | ||
| JPS644092Y2 (forum.php) | ||
| JPH0331310B2 (forum.php) | ||
| JP2001305649A (ja) | 投射型表示装置 | |
| JPH0718985B2 (ja) | 固体撮像装置 | |
| US3737225A (en) | Half-tone image reproduction | |
| JPS60207113A (ja) | 画像走査記録装置におけるモワレ防止方法及びその装置 | |
| JP2840619B2 (ja) | 光学的ローパスフイルタ | |
| JP3139102B2 (ja) | 画像読取装置 | |
| JPS61232763A (ja) | 複写光学系の光量ムラ補正装置 | |
| JPS5953753B2 (ja) | ビデオカメラ用光学フアインダ− | |
| USRE28255E (en) | Rotating loop half-tone reproduction | |
| JPH09265049A (ja) | 光学的読取り領域制限板およびモジュールならびにこれらを適用した画像読取り装置 | |
| JP2766139B2 (ja) | 画像読取装置 | |
| EP1672419A1 (en) | Lens attachment for generating colored flares | |
| JPH03259668A (ja) | テストパターン投影装置 | |
| JPH0743712Y2 (ja) | プロジェクションスクリーン | |
| JP2507041B2 (ja) | 光学的ロ―パスフィルタ | |
| GB2086179A (en) | Color television camera having a color separation crossing striped filter |