Goniophotometer
A goniophotometer has a main rotating table, a sync-rotating table, a luminaire rotating table and light detecting tubes (4-1, 4-2). The main rotating table has a main rotating axis (1-2) and a main mirror (1-4) reflecting the light from a luminaire under test (5). The sync-rotating table has a sync...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A goniophotometer has a main rotating table, a sync-rotating table, a luminaire rotating table and light detecting tubes (4-1, 4-2). The main rotating table has a main rotating axis (1-2) and a main mirror (1-4) reflecting the light from a luminaire under test (5). The sync-rotating table has a sync-rotating axis (2-2) and a sync-mirror (2-4) located in the reflection path of the main mirror (1-4). The sync-rotating axis (2-2) is coincident with the main rotating axis (1-2). The luminaire rotating table has a luminaire rotating axis (3-2) which can drive the rotation of the luminaire under test (5). The luminaire rotating axis (3-2) is perpendicular to the main rotating axis (1-2). The light detecting tubes (4-1, 4-2) are arranged in the emergent light path to detect the luminous intensity of the luminaire under test (5) in different direction. |
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