FI923632A - REGLERING AV LJUSSTYRKA. - Google Patents
REGLERING AV LJUSSTYRKA. Download PDFInfo
- Publication number
- FI923632A FI923632A FI923632A FI923632A FI923632A FI 923632 A FI923632 A FI 923632A FI 923632 A FI923632 A FI 923632A FI 923632 A FI923632 A FI 923632A FI 923632 A FI923632 A FI 923632A
- Authority
- FI
- Finland
- Prior art keywords
- ljusstyrka
- reglering
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
- G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/005—Diaphragms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microscoopes, Condenser (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Optical Couplings Of Light Guides (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH4003/90A CH681394A5 (en) | 1990-12-18 | 1990-12-18 | |
PCT/CH1991/000230 WO1992011548A1 (en) | 1990-12-18 | 1991-11-13 | Luminance regulation |
Publications (2)
Publication Number | Publication Date |
---|---|
FI923632A0 FI923632A0 (en) | 1992-08-14 |
FI923632A true FI923632A (en) | 1992-08-14 |
Family
ID=4267995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI923632A FI923632A (en) | 1990-12-18 | 1992-08-14 | REGLERING AV LJUSSTYRKA. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0529006A1 (en) |
JP (1) | JPH05504847A (en) |
CA (1) | CA2075990A1 (en) |
CH (1) | CH681394A5 (en) |
FI (1) | FI923632A (en) |
WO (1) | WO1992011548A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5590954A (en) * | 1994-06-15 | 1997-01-07 | Vari-Lite, Inc. | Dimmer blade |
US5658070A (en) * | 1994-10-27 | 1997-08-19 | Alcon Laboratories, Inc. | Method of varying luminous intensity of light in an illumination system |
DE19510691A1 (en) * | 1995-03-14 | 1996-09-19 | Joachim Maass | Brightness shutter for image projectors |
DE10016361B4 (en) * | 2000-04-03 | 2010-08-26 | Leica Microsystems Cms Gmbh | Optical arrangement |
JP4590095B2 (en) * | 2000-12-07 | 2010-12-01 | オリンパス株式会社 | Light source device |
DE10255603A1 (en) * | 2002-11-28 | 2004-06-17 | Carl Zeiss Jena Gmbh | Projector for presentation of images with light modulator generating image, containing reflective, energisable, image generating region and illumination optics with light source |
JP4664129B2 (en) * | 2005-06-17 | 2011-04-06 | 浜松ホトニクス株式会社 | Spot light source device |
US7671543B2 (en) * | 2007-01-23 | 2010-03-02 | Dymax Corporation | Light exposure control device and apparatus |
US7444057B2 (en) | 2007-03-16 | 2008-10-28 | Alcon, Inc. | Variable-wedge rotating-disk beam attenuator for ophthalmic endoilluminator |
US7499624B2 (en) | 2007-03-16 | 2009-03-03 | Alcon, Inc. | Ophthalmic Endoilluminator with Variable-Wedge Rotating-Disk Beam Attenuator |
JP2016090625A (en) * | 2014-10-30 | 2016-05-23 | ホロニクス・インターナショナル株式会社 | Light source device for hardening resin |
CN111352231B (en) * | 2018-12-24 | 2021-10-22 | 上海微电子装备(集团)股份有限公司 | Transmittance adjusting device |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE690378C (en) * | 1935-06-04 | 1940-04-24 | Paul Gossen | Arrangement for the gradual screening of a radiation-sensitive material |
DE2246270A1 (en) * | 1971-09-23 | 1973-03-29 | Ferranti Ltd | DEVICE FOR FORMATION OF AN OPTICAL OPENING WITH VARIABLE AREA |
US3975099A (en) * | 1975-06-16 | 1976-08-17 | Perkin-Elmer Limited | Optical null apparatus |
DE2701764A1 (en) * | 1977-01-18 | 1978-07-20 | Leitz Ernst Gmbh | LIGHT FLOW REGULATOR |
GB1551519A (en) * | 1977-03-31 | 1979-08-30 | English Electric Valve Co Ltd | Radiation shutters |
DE2745397A1 (en) * | 1977-10-08 | 1979-04-19 | Leitz Ernst Gmbh | LIGHT CONTROLLER FOR LIGHT GUIDE LUMINAIRES |
EP0075044A1 (en) * | 1981-09-19 | 1983-03-30 | Elesta Ag Elektronik | Aid for measuring the surplus of light in light barriers |
DE3339522A1 (en) * | 1983-11-02 | 1985-05-09 | Faseroptik Henning GmbH & Co, 8501 Allersberg | Stabilised cold-light source |
DE8802996U1 (en) * | 1988-02-04 | 1988-06-09 | Leica Industrieverwaltung Gmbh, 35578 Wetzlar | Adjustable lighting device for uniform illumination of an image field |
US4914556A (en) * | 1988-07-26 | 1990-04-03 | Morpheus Lights, Inc. | Spectral filter module |
-
1990
- 1990-12-18 CH CH4003/90A patent/CH681394A5/de not_active IP Right Cessation
-
1991
- 1991-11-13 WO PCT/CH1991/000230 patent/WO1992011548A1/en not_active Application Discontinuation
- 1991-11-13 EP EP91918584A patent/EP0529006A1/en not_active Withdrawn
- 1991-11-13 JP JP3517634A patent/JPH05504847A/en active Pending
- 1991-11-13 CA CA002075990A patent/CA2075990A1/en not_active Abandoned
-
1992
- 1992-08-14 FI FI923632A patent/FI923632A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CH681394A5 (en) | 1993-03-15 |
EP0529006A1 (en) | 1993-03-03 |
JPH05504847A (en) | 1993-07-22 |
CA2075990A1 (en) | 1992-06-19 |
FI923632A0 (en) | 1992-08-14 |
WO1992011548A1 (en) | 1992-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |