Abstract: A vacuum cleaner includes a cleaner body including a suction source configured to generate a suction force, a suction inlet body configured to inhale dust on a surface to be cleaned using the suction force of the suction source, a dust bucket detachably installed on the cleaner body, a cyclonic unit formed inside the dust bucket and configured to centrifuge the dust from air flowed in through the suction inlet body, and a paper-shredder installed on a top of the dust bucket and configured to communicate with the top of the dust bucket so that shredded pieces of paper are dropped inside a dust collecting space of the dust bucket.

Abstract: An upright type cleaner in which a mounting structure of a suction device is improved is described. The cleaner includes a base provided with a suction port, a main body connected to the base, and a suction device including a flexible hose extended from the base or the main body, a pipe connected to the flexible hose, and a tool connected to the pipe. The suction device may be fixedly attached to the main body when the tool is mounted on the suction device.

Abstract: A moving robot includes a sensing system. The moving robot includes light sources generating light, an optical guide to receive, diffuse, and emit the light generated from the light source, and light receiving sensors to receive the light emitted from the optical guide and then reflected by the object. Light irradiated from the light sources is diffused and emitted to a wide region through the optical guide, thereby allowing light to be emitted to the wide region with a small number of the light sources.

Abstract: A robot cleaner having a static-charge removal device to prevent deterioration in performance or damage to an interior circuit of the cleaner due to static charge. The robot cleaner includes a conductive trap member to trap frictional static charge, a discharge member electrically connected to the trap member to discharge the static charge, trapped by the trap member, into another kind of energy, for example, light, sound, or kinetic energy, and a ground member located on the robot cleaner while being connected to the discharge member. The robot cleaner prevents adherence of dust, loose debris, etc. as well as damage to an interior circuit thereof due to static charge, thereby efficiently performing a cleaning operation.

Abstract: A robot cleaner to perform cleaning without interruption of travel when passing over an obstacle. The robot cleaner includes a main body, and drive devices at left and right sides of the main body. Each drive device includes a main wheel to drive the main body, a drive motor to rotate the main wheel, a gear assembly to transmit power from the drive motor to the main wheel, a drive shaft to assist the main wheel in rotating by rotation power, and an auxiliary wheel connected to a distal end of the drive shaft so as to be located closer to the center of the main body than the main wheel. If the main wheel is lifted from a floor when passing over an obstacle during traveling, the auxiliary wheel protrudes downward to reach the floor, assisting the main body in traveling to escape from the obstacle.

Abstract: In a cleaning system, dust stored in a dust box is suspended in air introduced into the dust box through a first opening formed through a robot cleaner, and is then discharged to a second opening formed through a maintenance station through the first opening of the robot cleaner.

Abstract: A blade assembly of an autonomous cleaning device. The blade assembly includes a blade having a first part fixed to the main body and a second part extended from the first part toward a floor and a support member having at least a portion disposed adjacent to the second part of the blade to restrict movement of the second part of the blade to within a predetermined range.

Abstract: Disclosed herein is a control method of a robot cleaner in which a robot cleaner is moved at an arbitrary starting angle along a rotation trajectory having an arbitrary rotational center and rotation radius during obstacle-following traveling, whereby an obstacle-following traveling time is reduced and consequently, a movement time of the robot cleaner is reduced.

Abstract: A cleaning apparatus including a main body, a dust collection unit detachably installed on the main body and provided with a plurality of inlets, through which foreign substances are introduced into the dust collection unit, and a connection hole, to which an external instrument is connected, a shutter to open and close one inlet, and a cap to open and close the connection hole. The shutter opens and closes the inlet in cooperation with one of whether or not the dust collection unit is attached to or detached from the main body and whether or not the connection hole is opened or closed.

Abstract: A robot cleaner that travels straight through alignment of drive wheels to move the robot cleaner and a method of controlling travel of the same. Information related to a movement angle of the robot cleaner is detected from angle information of a caster wheel rotating depending upon a state of a floor, such as a carpet in a state in which texture of the carpet occurs in one direction, and, when the movement angle of the robot cleaner deviates due to slippages of the drive wheels, rates of rotation of the drive wheels are adjusted to correct the slippages of the drive wheels such that the robot cleaner easily travels straight.

Abstract: A vacuum cleaner includes a cleaner body including a suction source configured to generate a suction force, a suction inlet body configured to inhale dust on a surface to be cleaned using the suction force of the suction source, a dust bucket detachably installed on the cleaner body, a cyclonic unit formed inside the dust bucket and configured to centrifuge the dust from air flowed in through the suction inlet body, and a paper-shredder installed on a top of the dust bucket and configured to communicate with the top of the dust bucket so that shredded pieces of paper are dropped inside a dust collecting space of the dust bucket.

Abstract: A cleaning apparatus including a main body, a dust collection unit detachably installed on the main body and provided with a plurality of inlets, through which foreign substances are introduced into the dust collection unit, and a connection hole, to which an external instrument is connected, a shutter to open and close one inlet, and a cap to open and close the connection hole. The shutter opens and closes the inlet in cooperation with one of whether or not the dust collection unit is attached to or detached from the main body and whether or not the connection hole is opened or closed.

Abstract: The present invention provides an apparatus for screening cancer, which reads low-mass ion mass spectrum for diagnosing cancer based on biostatistical analysis with respect to low-mass ions extracted from biological materials, and diagnoses cancer using the low-mass ion spectrum. An apparatus for cancer diagnosis, including a low-mass ion detecting unit which detects mass spectra of low-mass ions of biological materials; a cancer diagnosing unit which compares and analyzes patterns of mass spectra and diagnoses cancer; a display unit which displays cancer diagnosis information from the cancer diagnosing unit.

Abstract: A vacuum cleaner includes a cleaner body having a suction source for generating a suction force; a suction nozzle assembly to draw in a dust or dirt from a surface to be cleaned by using the suction force of the suction source; a cyclone unit to separate the dust or dirt drawn in through the suction nozzle assembly from an air; a dust bin detachably disposed to the cleaner body to collect the dust or dirt separated at the cyclone unit; and a shredder to shred a paper, the shredder being detachably communicated with an opening of the dust bin to collect the shredded paper into the dust bin.

Abstract: The present invention provides a method for crystallizing low mass ions for diagnosing colorectal cancer by using a MALDI-TOF mass spectrometer to biostatistically analyze low mass ions, which are extracted from a biological sample, and a method for providing information for diagnosing colorectal cancer using same. The present inventions can provide a diagnostic method, which requires low cost and a short time for analysis, can analyze large areas, and which can provide superior and credible discriminations.

Abstract: A cleaning apparatus including a main body, a dust collection unit detachably installed on the main body and provided with a plurality of inlets, through which foreign substances are introduced into the dust collection unit, and a connection hole, to which an external instrument is connected, a shutter to open and close one inlet, and a cap to open and close the connection hole. The shutter opens and closes the inlet in cooperation with one of whether or not the dust collection unit is attached to or detached from the main body and whether or not the connection hole is opened or closed.

Abstract: A robot cleaner to perform cleaning without interruption of travel when passing over an obstacle. The robot cleaner includes a main body, and drive devices at left and right sides of the main body. Each drive device includes a main wheel to drive the main body, a drive motor to rotate the main wheel, a gear assembly to transmit power from the drive motor to the main wheel, a drive shaft to assist the main wheel in rotating by rotation power, and an auxiliary wheel connected to a distal end of the drive shaft so as to be located closer to the center of the main body than the main wheel. If the main wheel is lifted from a floor when passing over an obstacle during traveling, the auxiliary wheel protrudes downward to reach the floor, assisting the main body in traveling to escape from the obstacle.

Abstract: An autonomous cleaner has an enhanced structure capable of conducting an efficient cleaning task according to the material quality or the condition of the floor surface of a cleaning space. The autonomous cleaner includes a body, a driving wheel to drive the body, a driving wheel assembly having the driving wheel, and a control unit. The control unit detects a displacement of the driving wheel corresponding to a reference position by sensing a sensor target, determines material quality or condition of a floor surface according to the displacement of the driving wheel, and controls the driving of the autonomous cleaner according to the determined material quality or the condition of the floor surface.

Abstract: A robot cleaner having an improved structure which executes a cleaning operation without stoppage of travelling of the robot cleaner due to obstacles present in a space to be cleaned, and a control method thereof. The control method of the robot cleaner which is provided with a main body, driving wheels driving the main body, and driving wheel assemblies, each of which includes each driving wheel, includes detecting displacement of each driving wheel with respect to a reference position by sensing a sensed body provided on each driving wheel assembly, judging whether or not the displacement is within a predetermined reference range, and changing a travelling path of the main body, upon judging that the displacement deviates from the reference range.

Abstract: A vacuum cleaner includes a cleaner body having a suction source for generating a suction force; a suction nozzle assembly to draw in a dust or dirt from a surface to be cleaned by using the suction force of the suction source; a cyclone unit to separate the dust or dirt drawn in through the suction nozzle assembly from an air; a dust bin detachably disposed to the cleaner body to collect the dust or dirt separated at the cyclone unit; and a shredder to shred a paper, the shredder being detachably communicated with an opening of the dust bin to collect the shredded paper into the dust bin.