JPS51127746A - Optical filter - Google Patents
Optical filterInfo
- Publication number
- JPS51127746A JPS51127746A JP50052414A JP5241475A JPS51127746A JP S51127746 A JPS51127746 A JP S51127746A JP 50052414 A JP50052414 A JP 50052414A JP 5241475 A JP5241475 A JP 5241475A JP S51127746 A JPS51127746 A JP S51127746A
- Authority
- JP
- Japan
- Prior art keywords
- optical filter
- trap point
- response
- frequency characteristics
- sufficiently smaller
- 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 provide optical filter which has frequency characteristics that the response after the first trap point is sufficiently smaller than that before the said trap point.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50052414A JPS5850336B2 (en) | 1975-04-29 | 1975-04-29 | optical low pass filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50052414A JPS5850336B2 (en) | 1975-04-29 | 1975-04-29 | optical low pass filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51127746A true JPS51127746A (en) | 1976-11-08 |
JPS5850336B2 JPS5850336B2 (en) | 1983-11-10 |
Family
ID=12914120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50052414A Expired JPS5850336B2 (en) | 1975-04-29 | 1975-04-29 | optical low pass filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5850336B2 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58100802A (en) * | 1981-12-11 | 1983-06-15 | Hitachi Ltd | Solid-state image pickup device |
JPS5975222A (en) * | 1982-10-22 | 1984-04-27 | Victor Co Of Japan Ltd | Optical filter |
JPS5979220A (en) * | 1982-10-29 | 1984-05-08 | Toyo Commun Equip Co Ltd | Optical isolator using superposed phase plate |
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 |
JPS61253990A (en) * | 1985-05-02 | 1986-11-11 | Victor Co Of Japan Ltd | Optical filter |
JPS62258580A (en) * | 1985-11-25 | 1987-11-11 | Victor Co Of Japan Ltd | Optical filter |
US4807981A (en) * | 1984-04-28 | 1989-02-28 | Kabushiki Kaisha Toshiba | Spatial frequency filter |
US5715085A (en) * | 1989-07-10 | 1998-02-03 | Fuji Photo Film Co., Ltd. | Optical filter |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6284503U (en) * | 1985-11-18 | 1987-05-29 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3438692A (en) * | 1965-03-08 | 1969-04-15 | Bell Telephone Labor Inc | Birefringent device for forming multiple images |
JPS4718689U (en) * | 1971-04-03 | 1972-11-01 |
-
1975
- 1975-04-29 JP JP50052414A patent/JPS5850336B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3438692A (en) * | 1965-03-08 | 1969-04-15 | Bell Telephone Labor Inc | Birefringent device for forming multiple images |
JPS4718689U (en) * | 1971-04-03 | 1972-11-01 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58100802A (en) * | 1981-12-11 | 1983-06-15 | Hitachi Ltd | Solid-state image pickup device |
JPS5975222A (en) * | 1982-10-22 | 1984-04-27 | Victor Co Of Japan Ltd | Optical filter |
JPS6257013B2 (en) * | 1982-10-22 | 1987-11-28 | Victor Company Of Japan | |
JPS5979220A (en) * | 1982-10-29 | 1984-05-08 | Toyo Commun Equip Co Ltd | Optical isolator using superposed phase plate |
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 |
JPS61253990A (en) * | 1985-05-02 | 1986-11-11 | Victor Co Of Japan Ltd | Optical filter |
JPS62258580A (en) * | 1985-11-25 | 1987-11-11 | Victor Co Of Japan Ltd | Optical filter |
US5715085A (en) * | 1989-07-10 | 1998-02-03 | Fuji Photo Film Co., Ltd. | Optical filter |
Also Published As
Publication number | Publication date |
---|---|
JPS5850336B2 (en) | 1983-11-10 |
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