1
Ninomiya Mitsuharu: Self-traveling vacuum cleaner. Sharp, September 25, 2001: JP2001-258807 (123 worldwide citation)

PROBLEM TO BE SOLVED: To provide a self-traveling vacuum cleaner capable of performing a cleaning while autonomic traveling with a simple structure at a low cost.SOLUTION: This self-traveling vacuum cleaner comprises a box-shaped steering and driving means 18 integrally rotatable with a vertical sha ...


2
De Brey Robert J: Particle monitor. July 4, 1972: US3674316 (121 worldwide citation)

A particle monitoring device located in a line carrying a moving fluid, as air, containing particles. The device has a particle sensing member providing signals that are in direct proportion to the amount of particles in the moving fluid. The sensing member can be a flexible cover enclosing the larg ...


3
Jones Joseph L, Mass Philip R: Method and system for robot localization and confinement of workspace. Irobot, July 30, 2003: EP1331537-A1 (116 worldwide citation)

The present invention discloses a system and method for confining a robot (20) to a particular space. The system includes a portable barrier signal transmitter (30) that produces a barrier signal (42) primarily along an axis, and a mobile robot capable of avoiding the barrier signal upon detection o ...


4
Watabe Masahito, Nishitsuru Yoshihiro, Takahashi Yasufumi, Kobayashi Michiichi, Yamaguchi Yasuhei: Cleaning device. Matsushita Seiko, October 9, 2001: JP2001-275908 (112 worldwide citation)

PROBLEM TO BE SOLVED: To provide a cleaning device with good working efficiency, a low-noise property and long driving time, capable of working continuously without discharging substances such as poisonous exhaust gas and the like. SOLUTION: The cleaning device collects dust on the floor surface, th ...


5
Mori Hiroshi, Kato Kiminori, Ohara Naoyuki, Kodachi Toru, Yabuuchi Hidetaka, Kayama Hiroyuki, Yasuno Miki, Haji Masayo: Self-propelled cleaner. Matsushita Electric, December 17, 2002: JP2002-360482 (111 worldwide citation)

PROBLEM TO BE SOLVED: To provide a self-propelled cleaner which has high usability and makes safety provisions substantial. SOLUTION: A dust collection part is composed of a dust box 26 capable of being freely taken out, so as to allow the dust box 26 to be taken out of a part, except a front surfac ...


6
Kodachi Toru, Kato Kiminori, Mori Hiroshi, Ohara Naoyuki, Yabuuchi Hidetaka, Yasuno Miki, Kayama Hiroyuki, Haji Masayo: Traveling vacuum cleaner. Matsushita Electric, December 10, 2002: JP2002-355206 (111 worldwide citation)

PROBLEM TO BE SOLVED: To provide a small and light traveling vacuum cleaner at low cost, which travels by itself by a drive motor and whose electric blower is reduced in output, mass, and cost by reducing a load on the electric blower. SOLUTION: This traveling vacuum cleaner has the electric blower ...


7
Haji Masayo, Okubo Hideo, Yamaguchi Seiji, Yabuuchi Hidetaka, Takagi Yoshifumi, Yasuno Miki: Self-propelled cleaner. Matsushita Electric, July 23, 2002: JP2002-204768 (110 worldwide citation)

PROBLEM TO BE SOLVED: To solve the problem of difficulty in previously determining a movement route as if to cover an entire cleaning area.SOLUTION: When moving a body 1 all over a square cleaning area surrounded by vertical lines and horizontal lines, the body 1 is made to wind its way between oppo ...


8
Inoue Takashi, Tatsuoka Masao, Numano Masabumi, Akiyama Osamu, Kawase Yoshitaka: Electric cleaner with detachable unit. Sharp, July 2, 2003: JP2003-180587 (99 worldwide citation)

PROBLEM TO BE SOLVED: To provide a self-propelled cleaner with detachable units that automatically cleans up by self-propelled cleaners with a plurality of varied capabilities linking and cooperating with each other.SOLUTION: The self-propelled cleaner is composed of a first cleaner provided with at ...


9
Ishikawa Masahiro: Dust detecting device and vacuum cleaner. Yashima Denki, December 24, 2002: JP2002-369778 (90 worldwide citation)

PROBLEM TO BE SOLVED: To provide a dust detecting device which is convenient for moving a nozzle toward a place where there exists much dust. SOLUTION: A suction route for a nozzle is divided into two right and left ones, dust sensors 13 and 14 are arranged in each of them, the dust detecting output ...


10
Egawa Saku, Tajima Taiji, Arai Minoru, Koseki Atsushi, Takeuchi Ikuo: Mobile cleaner. Hitachi, November 5, 2003: JP2003-310509 (88 worldwide citation)

PROBLEM TO BE SOLVED: To provide a mobile cleaner in which spaces by the side of walls and corners of walls are cleaned without omission.SOLUTION: In the mobile cleaner provided with a main body, a driving means for moving the main body, a suction port and a suction port driving means for relatively ...



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