GB9104160D0 - A light modulator - Google Patents
A light modulatorInfo
- Publication number
- GB9104160D0 GB9104160D0 GB919104160A GB9104160A GB9104160D0 GB 9104160 D0 GB9104160 D0 GB 9104160D0 GB 919104160 A GB919104160 A GB 919104160A GB 9104160 A GB9104160 A GB 9104160A GB 9104160 D0 GB9104160 D0 GB 9104160D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- light modulator
- modulator
- light
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
- G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9104160A GB2253279A (en) | 1991-02-27 | 1991-02-27 | A light modulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9104160A GB2253279A (en) | 1991-02-27 | 1991-02-27 | A light modulator |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9104160D0 true GB9104160D0 (en) | 1991-04-17 |
GB2253279A GB2253279A (en) | 1992-09-02 |
Family
ID=10690699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9104160A Withdrawn GB2253279A (en) | 1991-02-27 | 1991-02-27 | A light modulator |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2253279A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19509157C2 (en) * | 1995-03-14 | 1997-05-15 | Meinrad Maechler | Optical system with large measuring ranges |
DE29909503U1 (en) * | 1999-05-31 | 1999-12-02 | Lichttechnik Vertriebs Gmbh Ha | Light-shielding device, in particular for lighting devices such as studio headlights or the like. optical devices |
KR20050091279A (en) * | 2004-03-11 | 2005-09-15 | 삼성전자주식회사 | Optical system with iris controlled by real time |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB282253A (en) * | 1927-03-24 | 1927-12-22 | A W Penrose & Company Ltd | An improved stop for photographic purposes |
-
1991
- 1991-02-27 GB GB9104160A patent/GB2253279A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2253279A (en) | 1992-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |