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US 5,682,640 AGranted
Power supply apparatus for automatic vacuum cleaner
AssigneeSamsung Electronics Co., Ltd.
InventorSuk-Jin Han
Life of this patent
Estimating the term…
Abstract
An automatic self-propelled vacuum cleaner includes an electrical power supply cord having a plug. The plug carries latches which can be coupled to either the vacuum cleaner or a wall-mounted socket. The vacuum cleaner carries a light beam receiver which receives a light beam signal emitted from the socket for guiding the vacuum cleaner toward the socket.
Claims7
In combination;
- an automatic vacuum cleaner and an electrical socket,
- said socket including plug-receiving means and a light beam emitting unit;
- said vacuum cleaner including:
- a power cord, including a plug connectible to said plug-receiving means,
- a power cord actuating means for drawing-in said cord and permitting extraction of said cord,
- driving wheels;
- an electric motor operably connected to the driving wheels;
- a controller operably connected to said electric cord and said motor for supplying electric power to said motor, and
- a light beam receiving unit operably connected to said controller for receiving a light beam from said light emitting unit for providing a signal to said controller to operate said motor and said driving wheels for guiding said vacuum cleaner to said socket.
6 more elements
Dependencies are inferred from the claim text.