JPS6241122U - - Google Patents
Info
- Publication number
- JPS6241122U JPS6241122U JP1985131871U JP13187185U JPS6241122U JP S6241122 U JPS6241122 U JP S6241122U JP 1985131871 U JP1985131871 U JP 1985131871U JP 13187185 U JP13187185 U JP 13187185U JP S6241122 U JPS6241122 U JP S6241122U
- Authority
- JP
- Japan
- Prior art keywords
- birefringent
- laminated
- birefringent plate
- plate
- markings
- 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
Description
第１図は、本考案の１実施例を説明するための
図、第２図は、本考案の別実施例を説明するため
の図、第３図は、本考案の他の実施例を説明する
ための図、第４図は、本考案のさらに他の実施例
を説明するための図、第５図は、本考案のさらに
他の実施例を説明するための図、第６図は、複合
複屈折板を説明するための図、第７図は、本考案
の実施例の効果を説明するための図である。
１０……第１の複屈折板、１２，１２Ａ，１２
Ｂ，１２Ｃ，１２Ｄ，１２Ｅ……第２の複屈折板
、１２１，１２２，１２３，１２４，１２５……
目印。
FIG. 1 is a diagram for explaining one embodiment of the present invention, FIG. 2 is a diagram for explaining another embodiment of the present invention, and FIG. 3 is a diagram for explaining another embodiment of the present invention. FIG. 4 is a diagram for explaining still another embodiment of the present invention. FIG. 5 is a diagram for explaining still another embodiment of the present invention. FIG. 6 is a diagram for explaining still another embodiment of the present invention. FIG. 7, which is a diagram for explaining the compound birefringence plate, is a diagram for explaining the effects of the embodiment of the present invention. 10...first birefringent plate, 12, 12A, 12
B, 12C, 12D, 12E... second birefringent plate, 121, 122, 123, 124, 125...
A landmark.
Claims (1)
いて、結像光学系の像側に配備され、空間周波数
に対するローパスフイルターとして用いられる複
数合複屈折板であつて、 薄板直方体状に形成された第１および第２の複
屈折板を張り合せてなり、 上記第１および第２の複屈折板のうちの所定の
ものに、他方のものとの張合せに先立つて、周縁
部に目印を付したことを特徴とする、複合複屈折
板。[Claims for Utility Model Registration] A thin rectangular parallelepiped multi-birefringent plate disposed on the image side of an imaging optical system in a single-tube or single-plate color video camera and used as a low-pass filter for spatial frequencies. A predetermined one of the first and second birefringent plates is laminated with a peripheral edge thereof before being laminated with the other birefringent plate. A compound birefringent plate characterized by markings on the parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985131871U JPS6241122U (en) | 1985-08-29 | 1985-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985131871U JPS6241122U (en) | 1985-08-29 | 1985-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6241122U true JPS6241122U (en) | 1987-03-12 |
Family
ID=31030724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985131871U Pending JPS6241122U (en) | 1985-08-29 | 1985-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6241122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02287422A (en) * | 1989-04-28 | 1990-11-27 | Matsushita Electric Ind Co Ltd | optical low pass filter |
-
1985
- 1985-08-29 JP JP1985131871U patent/JPS6241122U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02287422A (en) * | 1989-04-28 | 1990-11-27 | Matsushita Electric Ind Co Ltd | optical low pass filter |
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