CH432880A - Variable optical filter - Google Patents
Variable optical filterInfo
- Publication number
- CH432880A CH432880A CH1477664A CH1477664A CH432880A CH 432880 A CH432880 A CH 432880A CH 1477664 A CH1477664 A CH 1477664A CH 1477664 A CH1477664 A CH 1477664A CH 432880 A CH432880 A CH 432880A
- Authority
- CH
- Switzerland
- Prior art keywords
- optical filter
- variable optical
- variable
- filter
- optical
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
- G02B26/023—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light comprising movable attenuating elements, e.g. neutral density filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/24—Liquid filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0294264A ES294264A1 (en) | 1963-12-07 | 1963-12-07 | Improvements in or relating to variable light filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH432880A true CH432880A (en) | 1967-03-31 |
Family
ID=8441185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1477664A CH432880A (en) | 1963-12-07 | 1964-11-12 | Variable optical filter |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT253812B (en) |
| BE (1) | BE656005A (en) |
| CH (1) | CH432880A (en) |
| ES (1) | ES294264A1 (en) |
| GB (1) | GB1075059A (en) |
| SE (1) | SE319918B (en) |
-
1963
- 1963-12-07 ES ES0294264A patent/ES294264A1/en not_active Expired
-
1964
- 1964-10-06 GB GB40740/64A patent/GB1075059A/en not_active Expired
- 1964-11-12 CH CH1477664A patent/CH432880A/en unknown
- 1964-11-20 BE BE656005D patent/BE656005A/xx unknown
- 1964-12-03 SE SE14625/64A patent/SE319918B/xx unknown
- 1964-12-07 AT AT1038364A patent/AT253812B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1075059A (en) | 1967-07-12 |
| SE319918B (en) | 1970-01-26 |
| ES294264A1 (en) | 1964-06-01 |
| BE656005A (en) | 1965-03-16 |
| AT253812B (en) | 1967-04-25 |
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