Patent ID: 9420923
Filing Date: 2016-08-23
CPC Classification: A47L,H02J

Claim Text:
1. A charging system comprising: an automatic cleaner performing cleaning while moving in a state in which the automatic cleaner is attached to a target surface inclined with respect to the ground, the automatic cleaner including at least one battery; and a charger configured to charge the at least one battery in a state in which the automatic cleaner is physically spaced apart from the charger, wherein the automatic cleaner includes: wherein when charging of the battery is needed during the cleaning by the automatic cleaner, the automatic cleaner transmits an operation signal to the charger regardless of a location of the automatic cleaner, the charger generates the charging related signal when the charger receives the operation signal, the automatic cleaner determines whether the automatic cleaner is within a predetermined area in which the charging related signal is received from the charger, and when the automatic cleaner is within the predetermined area, a movement of the automatic cleaner stops and the charging of the battery starts.