JPS6419916U - - Google Patents
Info
- Publication number
- JPS6419916U JPS6419916U JP11492887U JP11492887U JPS6419916U JP S6419916 U JPS6419916 U JP S6419916U JP 11492887 U JP11492887 U JP 11492887U JP 11492887 U JP11492887 U JP 11492887U JP S6419916 U JPS6419916 U JP S6419916U
- Authority
- JP
- Japan
- Prior art keywords
- color
- optical low
- pass filter
- filter
- signals
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Color Television Image Signal Generators (AREA)
Description
第１図は、本考案の実施例を示す光学的ローパ
スフイルタの側面図、第２図は、上記第１図に示
す光学的ローパスフイルタのＭＴＦ特性図、第３
図は、矩形波状回折格子と正弦波状回折格子ＭＴ
Ｆ特性図、第４図Ａ，Ｂは、本考案の変形例を示
す２次元配列の光学的ローパスフイルタの斜視図
である。
FIG. 1 is a side view of an optical low-pass filter showing an embodiment of the present invention, FIG. 2 is an MTF characteristic diagram of the optical low-pass filter shown in FIG. 1, and FIG.
The figure shows a rectangular wave diffraction grating and a sinusoidal diffraction grating MT.
The F characteristic diagram and FIGS. 4A and 4B are perspective views of a two-dimensionally arranged optical low-pass filter showing a modification of the present invention.
Claims (1)
ービデオカメラに使用する光学的ローパスフイル
タにおいて、 色補正フイルタの片面もしくは両面に回折格子
を形成し、 偽信号や偽色信号を防止することを特徴とする
光学的ローパスフイルタ。[Claim for Utility Model Registration] In an optical low-pass filter used in a single-plate or single-tube color video camera having a color filter, a diffraction grating is formed on one or both sides of the color correction filter to prevent false signals or false color signals. An optical low-pass filter that prevents
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11492887U JPS6419916U (en) | 1987-07-27 | 1987-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11492887U JPS6419916U (en) | 1987-07-27 | 1987-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6419916U true JPS6419916U (en) | 1989-01-31 |
Family
ID=31356119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11492887U Pending JPS6419916U (en) | 1987-07-27 | 1987-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6419916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0461379A (en) * | 1990-06-29 | 1992-02-27 | Kuraray Co Ltd | Image sensor and manufacture method |
| JPH04110903A (en) * | 1990-08-31 | 1992-04-13 | Hoya Corp | Optical filter, solid state image pickup element having this optical filter and production of this optical filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920236A (en) * | 1972-06-16 | 1974-02-22 | ||
| JPS62165621A (en) * | 1986-01-17 | 1987-07-22 | Canon Inc | Optical low pass filter member |
-
1987
- 1987-07-27 JP JP11492887U patent/JPS6419916U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4920236A (en) * | 1972-06-16 | 1974-02-22 | ||
| JPS62165621A (en) * | 1986-01-17 | 1987-07-22 | Canon Inc | Optical low pass filter member |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0461379A (en) * | 1990-06-29 | 1992-02-27 | Kuraray Co Ltd | Image sensor and manufacture method |
| JPH04110903A (en) * | 1990-08-31 | 1992-04-13 | Hoya Corp | Optical filter, solid state image pickup element having this optical filter and production of this optical filter |
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