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Daniel S. Berger Patents |
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Inventor: Berger; Daniel S.
Address: Philadelphia, PA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4933813 |
Sunlight simulator |
June 12, 1990 |
| A sunlight simulator includes an elongated, cylindrical housing, an artifical light source disposed along the longitudinal axis thereof, and a plurality of light collecting subassemblies equidistantly spaced radially from and around the light source. The light source is of a type that em |
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