'Robot Cleaner, Dust Discharge Station, and Multi-Stage Vacuum Cleaner' in Patent Application Approval Process

摘要

The following quote was obtained by the news editors from the background information supplied by the inventors: "A robot cleaner cleans floors in a house autonomously and is expected to be a very useful device that may replace a substantial portion of conventional non-robot vacuum cleaners. Conventional systems are proposed which deal with wasting dust in robot cleaners.