IRRADIANCE MONITORING IN PROJECTOR SYSTEMS
A projector system includes a monitor that measures irradiance of projected light. The monitor direct light from a light source that is sampled in an optical path of the projector onto a sensor. The detector also receives light from a calibration light source. A processor is configured to process an...
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| Main Authors | , |
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| Format | Patent |
| Language | English French German |
| Published |
16.10.2024
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A projector system includes a monitor that measures irradiance of projected light. The monitor direct light from a light source that is sampled in an optical path of the projector onto a sensor. The detector also receives light from a calibration light source. A processor is configured to process an output signal of the sensor to determine irradiance of the projected light. The processing may comprise applying a colour transform and lumped coefficients. The projector system may be configured to take corrective action if the monitored irradiance exceeds a threshold. One application of the disclosed apparatus and methods is improving safety. |
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| AbstractList | A projector system includes a monitor that measures irradiance of projected light. The monitor direct light from a light source that is sampled in an optical path of the projector onto a sensor. The detector also receives light from a calibration light source. A processor is configured to process an output signal of the sensor to determine irradiance of the projected light. The processing may comprise applying a colour transform and lumped coefficients. The projector system may be configured to take corrective action if the monitored irradiance exceeds a threshold. One application of the disclosed apparatus and methods is improving safety. |
| Author | GYSELINCK, Stefan BALLESTAD, Anders |
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| Discipline | Medicine Chemistry Sciences Physics |
| DocumentTitleAlternate | BESTRAHLUNGSÜBERWACHUNG IN PROJEKTORSYSTEMEN SURVEILLANCE D'ÉCLAIREMENT ÉNERGÉTIQUE DANS DES SYSTÈMES DE PROJECTEUR |
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| RelatedCompanies | Barco N.V |
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| Snippet | A projector system includes a monitor that measures irradiance of projected light. The monitor direct light from a light source that is sampled in an optical... |
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| SubjectTerms | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS |
| Title | IRRADIANCE MONITORING IN PROJECTOR SYSTEMS |
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