| 摘要 |
<p>A communications display lamp is intended for use by disco dancers as a means of communication. The unit has a circular backing disc (3) onto which are mounted holders for a battery (4,5) power supply. Two indicator lamps (6,7) together with a control switch are provided. One lamp may be green and the other red. Either of the lamps may be activated in a blinking mode. A protective cover locates over the disc.</p> |
