JPS5266449A - Optical filter - Google Patents
Optical filterInfo
- Publication number
- JPS5266449A JPS5266449A JP50142700A JP14270075A JPS5266449A JP S5266449 A JPS5266449 A JP S5266449A JP 50142700 A JP50142700 A JP 50142700A JP 14270075 A JP14270075 A JP 14270075A JP S5266449 A JPS5266449 A JP S5266449A
- Authority
- JP
- Japan
- Prior art keywords
- optical filter
- directions
- composing
- deterioration
- remove
- 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
Abstract
PURPOSE: To remove the deterioration in picture quality by so composing an optical filter that response of both x, y directions (horizontal and vertical directions) may be respectively independently set.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50142700A JPS5266449A (en) | 1975-11-28 | 1975-11-28 | Optical filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50142700A JPS5266449A (en) | 1975-11-28 | 1975-11-28 | Optical filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5266449A true JPS5266449A (en) | 1977-06-01 |
JPS5715369B2 JPS5715369B2 (en) | 1982-03-30 |
Family
ID=15321510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50142700A Granted JPS5266449A (en) | 1975-11-28 | 1975-11-28 | Optical filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5266449A (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5875974A (en) * | 1981-10-30 | 1983-05-07 | Nec Corp | Image pickup device |
JPS59279A (en) * | 1982-06-26 | 1984-01-05 | Sony Corp | Image pickup device |
JPS5971022A (en) * | 1982-10-15 | 1984-04-21 | Olympus Optical Co Ltd | Image pickup device by endoscope |
JPS5975222A (en) * | 1982-10-22 | 1984-04-27 | Victor Co Of Japan Ltd | Optical filter |
JPS5966229U (en) * | 1982-10-22 | 1984-05-02 | 日本ビクター株式会社 | optical filter |
JPS59193417A (en) * | 1983-04-18 | 1984-11-02 | Asahi Optical Co Ltd | Eyepiece device of fiberscope |
JPS59193416A (en) * | 1983-04-18 | 1984-11-02 | Asahi Optical Co Ltd | Eyepiece device of fiberscope |
JPS59164022U (en) * | 1983-04-18 | 1984-11-02 | 旭光学工業株式会社 | fiberscope imaging device |
JPS60242420A (en) * | 1984-05-17 | 1985-12-02 | Toshiba Corp | Spatial frequency filter |
JPS6177821A (en) * | 1984-09-26 | 1986-04-21 | Sony Corp | Optical low-pass filter |
US4676593A (en) * | 1983-04-18 | 1987-06-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Eyepiece and photographing device for fiberscope |
US4761682A (en) * | 1985-05-27 | 1988-08-02 | Sony Corporation | Optical low-pass filter including three crystal plates for a solid-state color TV camera |
US4807981A (en) * | 1984-04-28 | 1989-02-28 | Kabushiki Kaisha Toshiba | Spatial frequency filter |
US5477381A (en) * | 1989-02-02 | 1995-12-19 | Canon Kabushiki Kaisha | Image sensing apparatus having an optical low-pass filter |
US5715085A (en) * | 1989-07-10 | 1998-02-03 | Fuji Photo Film Co., Ltd. | Optical filter |
-
1975
- 1975-11-28 JP JP50142700A patent/JPS5266449A/en active Granted
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5875974A (en) * | 1981-10-30 | 1983-05-07 | Nec Corp | Image pickup device |
JPS59279A (en) * | 1982-06-26 | 1984-01-05 | Sony Corp | Image pickup device |
JPH0415669B2 (en) * | 1982-06-26 | 1992-03-18 | Sony Corp | |
JPS5971022A (en) * | 1982-10-15 | 1984-04-21 | Olympus Optical Co Ltd | Image pickup device by endoscope |
US4539584A (en) * | 1982-10-22 | 1985-09-03 | Victor Company Of Japan, Ltd. | Television camera having an optical filter |
JPS5975222A (en) * | 1982-10-22 | 1984-04-27 | Victor Co Of Japan Ltd | Optical filter |
JPS5966229U (en) * | 1982-10-22 | 1984-05-02 | 日本ビクター株式会社 | optical filter |
JPS6257013B2 (en) * | 1982-10-22 | 1987-11-28 | Victor Company Of Japan | |
JPH0248810Y2 (en) * | 1983-04-18 | 1990-12-21 | ||
US4676593A (en) * | 1983-04-18 | 1987-06-30 | Asahi Kogaku Kogyo Kabushiki Kaisha | Eyepiece and photographing device for fiberscope |
JPS59164022U (en) * | 1983-04-18 | 1984-11-02 | 旭光学工業株式会社 | fiberscope imaging device |
JPS59193416A (en) * | 1983-04-18 | 1984-11-02 | Asahi Optical Co Ltd | Eyepiece device of fiberscope |
JPH0328692B2 (en) * | 1983-04-18 | 1991-04-19 | Asahi Optical Co Ltd | |
JPS59193417A (en) * | 1983-04-18 | 1984-11-02 | Asahi Optical Co Ltd | Eyepiece device of fiberscope |
US4807981A (en) * | 1984-04-28 | 1989-02-28 | Kabushiki Kaisha Toshiba | Spatial frequency filter |
JPS60242420A (en) * | 1984-05-17 | 1985-12-02 | Toshiba Corp | Spatial frequency filter |
JPS6177821A (en) * | 1984-09-26 | 1986-04-21 | Sony Corp | Optical low-pass filter |
US4761682A (en) * | 1985-05-27 | 1988-08-02 | Sony Corporation | Optical low-pass filter including three crystal plates for a solid-state color TV camera |
US5477381A (en) * | 1989-02-02 | 1995-12-19 | Canon Kabushiki Kaisha | Image sensing apparatus having an optical low-pass filter |
US5715085A (en) * | 1989-07-10 | 1998-02-03 | Fuji Photo Film Co., Ltd. | Optical filter |
Also Published As
Publication number | Publication date |
---|---|
JPS5715369B2 (en) | 1982-03-30 |
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