1
Ji Hyun Kim, Suk Jin Han, Jae Bong Lee: Vacuum cleaner and control method thereof. Samsung Electronics, Burns Doane Swecker & Mathis L, November 24, 1998: US05841259 (171 worldwide citation)

A vacuum cleaner is selectively operable in one of three modes, namely: an automatic self-directing mode, a remotely controlled mode, or a manual mode. The vacuum carries ultrasonic object detectors for detecting walls of a room being cleaned, as well as obstacles in the room. When in a self-directi ...


2
Suk Jin Han: Charge induction apparatus of robot cleaner and method thereof. Samsung Electronics, Burns Doane Swecker & Mathis L, July 8, 1997: US05646494 (138 worldwide citation)

The present invention relates to a charging apparatus for a robot cleaner and a method for charging the robot cleaner by which the robot cleaner can be accurately induced to a power source supplier to receive a battery charge when a battery power source drops below a predetermined level. The apparat ...


3
Ji Hyun Kim, Suk Jin Han, Jae Bong Lee: Methods and apparatus for maintaining a constant tension on an electrical cord of a robot. Samsung Electronics, Burns Doane Swecker & Mathis, March 12, 1996: US05498940 (19 worldwide citation)

A constant tension is maintained on cord of a robot by determining whether the cord is being extracted or retracted and the extent of such extraction or retraction, and increasing or decreasing a spring force applied to the cord by an amount suitable for maintaining a constant tension on the cord.


4
Suk Jin Han: Power supply apparatus for automatic vacuum cleaner. Samsung Electronics, Burns Doane Swecker & Mathis L, November 4, 1997: US05682640 (15 worldwide citation)

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 ...


5
Suk Jin Han: Apparatus for rotating a turntable of a microwave oven and vertically adjusting the turntable by a single motor. Samsung Electronics, Burns Doane Swecker & Mathis L, September 30, 1997: US05672291 (9 worldwide citation)

A microwave oven includes a cooking chamber and a turntable disposed therein for supporting food. The turntable is rotatable about an axis and is vertically adjusted. A single reversible motor performs both functions of rotating and vertically adjusting the turntable due to a power transmission mech ...


6
Eung Sup Lee, Suk Jin Han: Turn table driving apparatus of microwave oven. Samsung Electronics, Burns Doane Swecker & Mathis L, September 8, 1998: US05804800 (4 worldwide citation)

A microwave oven includes a cooking chamber in which a turn table is disposed for rotation about a vertical axis, and vertical up/down movement along the axis. The turn table has an axle extending downwardly therefrom along the axis. The lower end of the axle rests on a cam surface of a rotary cam m ...


7
Suk Jin Han: Gear for turn table microwave oven. Samsung Electronics, MA YING, January 22, 1997: CN96107636

A microwave oven includes a cooking chamber and a turntable disposed therein for supporting food. The turntable is rotatable about an axis and is vertically adjusted. A single reversible motor performs both functions of rotating and vertically adjusting the turntable due to a power transmission mech ...



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