Cleaning and liquid contact with solids – Processes – Combined
Reexamination Certificate
2005-03-03
2008-10-21
Barr, Michael (Department: 1792)
Cleaning and liquid contact with solids
Processes
Combined
C318S587000, C015S319000
Reexamination Certificate
active
07438766
ABSTRACT:
A coordinates compensation method of a robot cleaner using an angle sensor compensates coordinates of the robot cleaner with reference to absolute coordinates of a recharging station, so as to improve robot cleaner's path following. The robot cleaner is in a standby mode at the recharging station, and moves to an operation area to perform a given job. The robot cleaner stops the given job upon determining an accumulative angle exceeding a predetermined level, and returns to the recharging station. Current coordinates of the robot cleaner are aligned with reference coordinates of the recharging station, and the robot cleaner moves to a previous spot where it was before it returns to the recharging station, and resumes the work from where it stopped.
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Jeung Sam-Jong
Kim Ki-Man
Ko Jang-Youn
Lee Ju-Sang
Lim Kwang-Soo
Barr Michael
Chaudhry Saeed T
Ohlandt, Greeley, Ruggiero & Perle LLP.
Samsung Gwangju Electronics Co. Ltd.
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