ES371719A1 - Procedimiento para la compensacion automatica de la inten- sidad luminosa en los proyectores de diapositivas. - Google Patents
Procedimiento para la compensacion automatica de la inten- sidad luminosa en los proyectores de diapositivas.Info
- Publication number
- ES371719A1 ES371719A1 ES371719A ES371719A ES371719A1 ES 371719 A1 ES371719 A1 ES 371719A1 ES 371719 A ES371719 A ES 371719A ES 371719 A ES371719 A ES 371719A ES 371719 A1 ES371719 A1 ES 371719A1
- Authority
- ES
- Spain
- Prior art keywords
- projectors
- translation
- procedure
- light beam
- lamp
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/041—Controlling the light-intensity of the source
- H05B39/042—Controlling the light-intensity of the source by measuring the incident light
-
- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2053—Intensity control of illuminating light
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6920518A FR2048203A5 (es) | 1969-06-19 | 1969-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES371719A1 true ES371719A1 (es) | 1971-11-16 |
Family
ID=9036024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES371719A Expired ES371719A1 (es) | 1969-06-19 | 1969-09-20 | Procedimiento para la compensacion automatica de la inten- sidad luminosa en los proyectores de diapositivas. |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE738653A (es) |
CH (1) | CH498415A (es) |
DE (1) | DE1954938A1 (es) |
ES (1) | ES371719A1 (es) |
FR (1) | FR2048203A5 (es) |
NL (1) | NL6914251A (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29619567U1 (de) * | 1996-07-16 | 1997-01-23 | Luk Fahrzeug-Hydraulik Gmbh & Co Kg, 61352 Bad Homburg | Einrichtung zur Rollstabilisierung eines Fahrzeugs |
-
1969
- 1969-06-19 FR FR6920518A patent/FR2048203A5/fr not_active Expired
- 1969-09-10 BE BE738653D patent/BE738653A/xx unknown
- 1969-09-10 CH CH1364469A patent/CH498415A/fr not_active IP Right Cessation
- 1969-09-19 NL NL6914251A patent/NL6914251A/xx unknown
- 1969-09-20 ES ES371719A patent/ES371719A1/es not_active Expired
- 1969-10-31 DE DE19691954938 patent/DE1954938A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
NL6914251A (es) | 1970-12-22 |
FR2048203A5 (es) | 1971-03-19 |
BE738653A (es) | 1970-02-16 |
DE1954938A1 (de) | 1970-12-23 |
CH498415A (fr) | 1970-10-31 |
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