Robot cleaner system and a method for returning to external recharging apparatus
US7489985B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2005 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Mar 9, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D1/0255
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A robot cleaner system and a method for the robot cleaner to return to an external recharging apparatus. The robot cleaner system has an external recharging apparatus including a charging stand having a charging terminal, and a plurality of transmission parts for sending signals having different codes and strengths; a robot cleaner including a rechargeable battery, a connection terminal for connection with the charging terminal to supply power to the rechargeable battery, a receiving part for receiving signals from the plurality of transmission parts, and a control part for controlling a movement of the robot cleaner using the signals received by the receiving part, so that the connection terminal is connected to the charging terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.