| 摘要 |
<p>Control means for a fiber optic illumination system are disclosed having a light source and a fiber optics bundle (192) with a proximal end positioned adjacent to said light source and a distal end positionable in the immediate region where light is desired, said control means comprising a control unit (194) whose small size enables the control unit to be positioned so as not to interfere with the normal use of other implements being employed in the dental work area ad having signal generating means (123) including switch means (111) for activating said signal generating means to develop a function control signal, sensing means (124) displaced from and electrically isolated from said signal generating means for generating an activating signal upon receipt of said function control signal, and means (125) responsive to said activating signal for energizing said light source. The control means may comprise means for sensing the presence or absence of light, or means sensitive to other electromagnetic waves. </p> |
