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 (182 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
Koharagi Haruo, Tahara Kazuo, Ajima Toshiyuki, Endo Tsunehiro, Suka Hisao, Kawamata Mitsuhisa, Jyoraku Fumio, Ishii Yoshitaro, Toyoshima Hisanori, Abe Takeshi, Hosokawa Atusi, Ito Shoichi, Futami Motoo, Miyashita Kunio: Vacuum cleaner and control method thereof.. Hitachi, April 8, 1992: EP0479609-A2 (13 worldwide citation)

In a vacuum cleaner, both static pressure Hdata and a variation width DELTA H in the static pressure appearing when a suction port is operated are detected from a pressure sensor (8) provided at a rear side of a filter (7) within a main body (2) of the vacuum cleaner; a current variation width DELTA ...


3
He Jiangao, Xu Zhenxu, Yin Changhu, Jin Zhenyong, Li Changxun: Vacuum cleaner and control method thereof. LG Electronics, Cui Lizeng, October 21, 2009: CN200810052808

The invention relates to a vacuum cleaner which comprises a cleaner body where a dust collecting device installing part is formed, a dust collecting device arranged in an assembly and disassembly manner and on which a dust storage part is formed, compressing components used for compressing the dust ...


4
Choi Sung Chul: Apparatus for controlling motor driving of vacuum cleaner and control method thereof. Daewoo Electronics, April 17, 1997: KR1019950017328

The apparatus is characterized by comprising: a zero cross detecting part outputting a sensing signal by sensing the timing of zero cross of an AC power source applied; and a control part which receives the zero cross sensing signal from the zero cross detecting part and then controls the power sour ...