| 摘要 |
<p>The projection system has housing (1) and the projector (2). A projector associated cooling device (6) is provided for cooling the projector. The cooling device is provided with liquid serving as a cooling medium. The liquid is alcohol, oil or water. The housing is executed as waterproof and/or weatherproof and/or soundproof housing. The cooling device comprises a thermally insulated spacer (7) for conducting the liquid.</p> |
