Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2004-09-21
2009-10-20
Wilson, Lee D (Department: 3727)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S339000, C700S245000
Reexamination Certificate
active
07603744
ABSTRACT:
A robotic appliance with a joystick sensor and associated methods of operation are provided. In one embodiment, the robotic appliance includes: a housing, a joystick sensor configured to provide sensed signals that vary as the robotic appliance traverses a surface area and comes in contact with an obstacle, a controller adapted to receive the sensed signals, wherein the controller determines the direction of the obstacle in relation to the robotic appliance and an x-y plane corresponding to the surface area based on the sensed signals and controls the robotic appliance based on the direction of the obstacle, a propelling mechanism, and a bumper that defines a periphery for a front section and a rear section of the robotic appliance in the x-y plane, wherein the bumper is in operative communication with the joystick sensor so that movement of the bumper in relation to the housing varies the sensed signals.
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Fay Sharpe LLP
Royal Appliance Mfg. Co.
Wilson Lee D
LandOfFree
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