| 摘要 |
The light projector has the peculiar feature of comprising, within a disk-shaped enclosing body, a light source surrounded by a shaping diaphragm which is rotatable coaxially with the cited light source. Also provided, on said enclosing body, is a toroidal lens which extends preferably through 360 DEG and focuses on said shaping diaphragm, being disposed concentrically with the cited light source. |
