HK97484A - Improvements in and relating to optical filters - Google Patents
Improvements in and relating to optical filtersInfo
- Publication number
- HK97484A HK97484A HK97484A HK97484A HK97484A HK 97484 A HK97484 A HK 97484A HK 97484 A HK97484 A HK 97484A HK 97484 A HK97484 A HK 97484A HK 97484 A HK97484 A HK 97484A
- Authority
- HK
- Hong Kong
- Prior art keywords
- relating
- optical filters
- filters
- optical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/285—Interference filters comprising deposited thin solid films
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Microscoopes, Condenser (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762632341 DE2632341A1 (en) | 1976-07-17 | 1976-07-17 | OPTICAL DEVICE |
Publications (1)
Publication Number | Publication Date |
---|---|
HK97484A true HK97484A (en) | 1984-12-21 |
Family
ID=5983337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK97484A HK97484A (en) | 1976-07-17 | 1984-12-13 | Improvements in and relating to optical filters |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2632341A1 (en) |
FR (1) | FR2358667A1 (en) |
GB (1) | GB1589891A (en) |
HK (1) | HK97484A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5179318A (en) * | 1989-07-05 | 1993-01-12 | Nippon Sheet Glass Co., Ltd. | Cathode-ray tube with interference filter |
JP3355188B2 (en) * | 1992-09-18 | 2002-12-09 | ライカ ミクロスコピー ウント ジュステーメ ゲーエムベーハー | Color compensation filter for optical equipment having observation light path and photographic light path |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3588245A (en) * | 1968-10-01 | 1971-06-28 | Bell Telephone Labor Inc | Adjustable compensation in optical systems |
CH523509A (en) * | 1970-09-18 | 1972-05-31 | Balzers Patent Beteilig Ag | Interference filter, consisting of a plurality of alternating high and low refractive index light-permeable layers on a light-permeable carrier, which reflects a certain wavelength band within a certain wavelength range, but allows the radiation of the other parts of the mentioned range to pass through |
US3737210A (en) * | 1972-03-31 | 1973-06-05 | Bausch & Lomb | Multilayer filter based on substitution of herpin equivalent layers in a antireflection coating formula |
JPS5314227B2 (en) * | 1973-06-18 | 1978-05-16 |
-
1976
- 1976-07-17 DE DE19762632341 patent/DE2632341A1/en active Pending
-
1977
- 1977-07-15 GB GB2991377A patent/GB1589891A/en not_active Expired
- 1977-07-18 FR FR7721856A patent/FR2358667A1/en active Granted
-
1984
- 1984-12-13 HK HK97484A patent/HK97484A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2358667A1 (en) | 1978-02-10 |
GB1589891A (en) | 1981-05-20 |
DE2632341A1 (en) | 1978-01-26 |
FR2358667B1 (en) | 1982-02-05 |
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