| 发明名称 |
Light and sound signaling device for e.g. foldable white cane, of e.g. blind person, has position detector, sensor, pushbutton and switch, to control light emitting diodes and sound warning unit, and placed in tubular case fixed on cane |
| 摘要 |
<p>The device has an autonomous power supply unit (2), and a position detector, a photoelectric sensor (6), a pushbutton (7) and a switch (13), for ordering and controlling light emitting diodes (3) and a sound warning unit (4) e.g. horn. The unit (2), detector, sensor, pushbutton, switch, diodes and the unit (4) are mounted in a tubular case (9) that is fixed on a foldable white cane (12) of a handicapped person.</p> |
