| 摘要 |
<p>The device (10) has a housing (12) that is impact-resistant and water-resistant. A data processing unit processes data about touching of a display device (16) according to commands in a program. The display device displays icons (32) for individual cleaning operations and a location plan stored in a memory device. The program is menu-oriented. A stop clock displays a duration of cleaning operations on the display device. A rechargeable power supply unit is provided for wireless operation of 8 hours. An independent claim is also included for an interactive network comprising a central computing unit.</p> |
