Abstract: The disclosure relates to a laser ranging calibration method and a laser range finder including a line laser generation module, an image capturing module and a processing module. The line laser generation module projects a line laser beam to a first direction from a first position. The image capturing module at a second position captures a ranging image in the first direction. When the ranging image includes a calibration target image of a calibration target having a first width, the processing module calculates a measured width of the calibration target according to a position of a line spot image of a laser spot on the calibration target image, obtains a calibration parameter according to the first width and the measured width, performs range finding according to the laser spot shown in the ranging image, and performs a calibration task using a calibration parameter.

Abstract: An embodiment of the invention provides a control method of a cleaning robot. The method includes steps of moving the cleaning robot according to a first direction; keeping moving the cleaning robot according to the first direction when a light detector of the cleaning robot detects a light beam; moving the cleaning robot for a predetermined distance and then stopping the cleaning robot when the light detector does not detect the light beam; and moving the cleaning robot in a second direction.

Abstract: A movable device is provided. When the movable device is at a specific position, a range finder detects reflected light in a first field of view to generate first previous data. When the movable device returns to the vicinity of the specific position, the range finder detects reflected light in the first field of view to generate second previous data. The range finder detects reflected light in a second field of view to generate compensation data. The processor unit performs a SLAM operation on the first and second previous data to generate first and second previous maps, respectively. When a probability that the second previous map does not conform to the first previous map is greater than a threshold value, the processor unit performs the SLAM operation on specific data and the compensation data to control the moving path of the movable device.

Abstract: A state detecting method applied to a mobile device includes: arranging a depth sensor at the bottom of the mobile device, obtaining a detection signal of the depth sensor, and determining if the mobile device is in a lifted state, a tilted state, or an edge-bordering state, based on the numerical value of the detection signal of the depth sensor. The lifted state is associated with the mobile device without contacting with a support surface. The tilted status is associated with one end of the mobile device contacting the support surface and the other end of the mobile device without contacting the support surface. The edge-bordering state is associated with the mobile device located at the edge of the support surface. Accordingly, when the mobile device is in any of the aforementioned states, an appropriate response can be implemented.

Abstract: A main board assembly for being equipped with at least one of a standard expansion card and a low profile expansion card includes a base board, a first expansion slot, a second expansion slot, a third expansion slot and a switching circuit. There is a first distance between the second expansion slot and the first edge, and there is a second distance between the second expansion slot and the third expansion slot, which are greater than the width of the standard expansion card. There is a third distance between the first expansion slot and the third expansion slot, which is two times greater than the width of the low profile expansion card.

Abstract: An embodiment of the invention provides a charging station for a cleaning robot. The charging station includes an IR transmitter and a controller. The IR transmitter outputs a first IR light beam, wherein the IR light beam includes a second boundary and a first boundary which is substantially perpendicular or perpendicular to the charging station and the cleaning robot moves to the charging station along the first boundary. The controller controls the IR transmitter to output the first IR light beam or a second IR light beam. When the controller determines that the cleaning robot is near to the charging station, the controller controls the IR transmitter to output the second IR light beam.

Abstract: An embodiment of the invention provides a cleaning robot including a light detector and a controller. The light detector detects a light beam. The controller is coupled to the light detector to control the cleaning robot. When the controller determines that the light beam is being output by a charging station, the controller controls the cleaning robot to move to the charging station along a first boundary of the light beam, which is substantially perpendicular to the charging station.

Abstract: A mobile device moving in a specific area including a driving unit, an environment sensing unit, a control unit and a transmittal unit is disclosed. The driving unit moves according to a first driving signal. The environment sensing unit detects an outline of the specific area to generate detection information. The control unit processes the detection information to generate first map information and position information. The transmittal unit transmits the first map information to an electronic device. The electronic device generates second map information according to the first map information, and the control unit generates the first driving signal according to the first map information, the second map information and the position information.

Abstract: A liquid-cooling module includes a liquid-providing component, a liquid-receiving component and at least one heat dissipating assembly. The liquid-providing component has a liquid inlet and a plurality of liquid-providing openings, while the liquid inlet is used for being connected to a cooler. The liquid-receiving component has a plurality of liquid-receiving openings and a liquid outlet, and the liquid outlet is used for being connected to the cooler. The at least one heat dissipating assembly includes a flow tube. One end of the flow tube is detachably connected to one of the plurality of liquid-providing openings, and the other end of the flow tube is connected on one of the plurality of liquid-receiving openings.

Abstract: A hardware parameter configuring method operating under in an Extensible Firmware Interface-based basic input/output system mode includes reading a currently-existing hardware profile including multiple hardware parameters; reading a preloading hardware profile including multiple hardware parameters; comparing the currently-existing hardware parameters with their corresponding preloading hardware parameters to generate a comparison result; displaying the comparison result through a graphical interface; and loading the preloading hardware parameters to the hardware units to replace the currently-existing hardware parameters when receiving confirmation signal.

Abstract: A direction device controlling a traveling route of a cleaning robot and including a receiving unit, an emitting unit and a control unit is disclosed. The receiving unit receives an encoded ultrasonic wave emitted by the cleaning robot. The emitting unit emits at least one wireless signal. The control unit activates the emitting unit to emit a first direction wireless signal when the receiving unit receives the encoded ultrasonic wave. The cleaning robot passes according to the first direction wireless signal.

Abstract: A fan device includes a frame including an axle base and a vane including a hub disposed on the axle base pivotally and blade assemblies disposed circumferentially on the sidewall surface. The hub includes a windward side and a sidewall surface. Each blade assemblies includes a first blade and a second blade protruded from the sidewall surface radially. The second blade is farther away than the first blade from the windward side. The angle of between an extending surface of a second side edge of the second blade extending and the windward side is greater than another angle of between an extending surface of a first side edge of the first blade extending and the windward side. The gap between the partial second side edge and the windward side is less than another gap between the first side edge and the windward side.

Abstract: A beam generating device emitting a first beam and a second beam and including a luminescence unit and a first reflecting unit is disclosed. The luminescence unit emits a main beam. The first reflecting unit reflects the main beam to generate a first reflected beam. The main beam forms the first beam and the first reflected beam forms the second beam.

Abstract: A mobile robot including a light emitting unit, a processing unit, an optical component, an image sensing unit, a control unit and a moving unit is provided. The light emitting unit emits a main beam. The processing unit diverges the main beam to a plurality of sub-beams. The sub-beams constitute a light covering an area. When a portion of the sub-beams irradiate a first object, the first object reflects the sub-beam and a plurality of reflected beams are reflected. The optical component receives the reflected beams and converges it to a first collected beam. The image sensing unit converts the first collected beam into a first detection result. The control unit calculates depth information according to the first detection result. The control unit activates the relevant behavior of the mobile robot according to the depth information and controls the mobile robot through the moving unit.

Abstract: A cleaning robot is disclosed. A first sensing unit generates a sensing signal to a transmittal line according to an external wireless signal. When the external wireless signal is sensed by the first sensing unit, a state of the transmittal line does not match with a pre-determined state. When the external wireless signal is not sensed by the first sensing unit, the state of the transmittal line matches with the pre-determined state. A control unit generates a movement signal when the state of the transmittal line matches with the pre-determined state. A plurality of wheels rotate according to the movement signal. A second sensing unit generates a second sensing signal according to the external environment of the cleaning robot. When the state of the transmittal line does not match with the pre-determined state, the control unit adjusts the movement signal according to the second sensing signal.

Abstract: An embodiment of the invention provides a control method for a cleaning robot with a quasi-omnidirectional detector and a directional light detector. The method includes: rotating the non-omnidirectional light detector when the non-omnidirectional light detector detects a light beam; when the non-omnidirectional light detector does not detect the light beam, the non-omnidirectional light detector is stopped from being spun and a rotation angle is estimated; determining a rotation direction according to the rotation angle; rotating the cleaning robot according to the rotation direction; stopping the rotation of the cleaning robot when the directional light detector detects the light beam.

Abstract: A liquid-cooling module includes a liquid-providing component, a liquid-receiving component and at least one heat dissipating assembly. The liquid-providing component has a liquid inlet and a plurality of liquid-providing openings, while the liquid inlet is used for being connected to a cooler. The liquid-receiving component has a plurality of liquid-receiving openings and a liquid outlet, and the liquid outlet is used for being connected to the cooler. The at least one heat dissipating assembly includes a flow tube. One end of the flow tube is detachably connected to one of the plurality of liquid-providing openings, and the other end of the flow tube is connected on one of the plurality of liquid-receiving openings.

Abstract: An embodiment of the invention provides a control method of a cleaning robot with a non-omnidirectional light detector. The method includes the steps of: detecting a light beam via the non-omnidirectional light detector; stopping the cleaning robot and spinning the non-omnidirectional light detector when the non-omnidirectional light detector detects the light beam; stopping the spinning of the non-omnidirectional light detector and estimating a first spin angle when the non-omnidirectional light detector does not detect the light beam; and adjusting a moving direction of the cleaning robot according to the first spin angle.

Abstract: A display device includes a backlight module, a backlight control module and a flicker removing module. The backlight module electrically connected between an input pin and an output pin which belong to the backlight control module, provides a backlight source to a display panel. The input pin receives a first voltage to control a continuity of an input current which is supplied to the backlight module and has no frequency variation. The flicker removing module electrically connected to the output pin receives a pulse width modulation signal and according to a duty cycle of the pulse width modulation signal, controls an output current outputted by the output pin, so as to control the backlight control module to control the input current according to the output current. The input current is associated with a backlight brightness of the backlight module.

Abstract: An plug storage structure of a cleaning robot is presented. A charging structure includes a charging base and a main body of an electronic device. The charging base includes a charging terminal and a projecting portion. The main body has an external housing, charging plugs and an plug storage device. When the main body reaches the charging base, the projecting portion triggers the plug storage device, so that the charging plugs protrude from the external housing, so as to be connected to the charging terminal. When the main body leaves the charging base, the plug storage device automatically receives the charging plugs inside the external housing, so as to keep the plugs of the cleaning robot received inside the external housing during cleaning, thereby preventing the plugs of the cleaning robot from colliding with and damaging adjacent furniture.