Abstract: An autonomous robotic device capable of vacuum cleaning and purifying air includes an autonomous robotic vacuum cleaner for moving autonomously and vacuum cleaning, and an air purifier. The autonomous robotic vacuum cleaner has a power supply and a top surface provided with a plurality of positioning members. The air purifier has an air inlet, an air outlet, and a plurality of matching members at the bottom thereof. The air purifier is detachably disposed on the autonomous robotic vacuum cleaner in a way that the matching members are in contact with the positioning members to create a positioning relationship for positioning the air purifier on the autonomous robotic vacuum cleaner, and an electrical connection to enable the air purifier to receive electric power from the power supply of the autonomous robotic vacuum cleaner.

Abstract: A mahjong game system using touch panel includes: a computer, and four player consoles in communication with the computer by a wired or wireless communication method. The computer includes a touch panel at the top side for displaying game pictures and a mahjong game program installed therein and providing a speech recognition process for identifying multiple specific voice commands. The four player consoles are individual touch panels having an elongated shape. Each player console defines a tiles-in-hand displaying portion and a command displaying portion. Further, a voice sensor is installed in the computer or each player console.

Abstract: A border-signal generating and wire winding device for border recognition of a self-propelled mower includes a seat; a reel rotatably installed on the seat; a lever provided at one end of the reel for a user to operate and rotate the reel; two power sockets provided on the seat or on the reel; an electric wire removably wound around the reel and having two plugs at two ends thereof for being detachably plugged into the two power sockets; and a signal-generating module provided on the seat or on the reel and electrically connected to the two power sockets. When the electric wire is connected to the two power sockets through the two plugs, the signal-generating module continuously generates a border signal that is continuously transmitted to the electric wire through the two power sockets.

Abstract: The present disclosure illustrates an mite-removing vacuum cleaner including a cleaner body and a mite-removing device. The mite-removing device is detachably combined with a front section of the cleaner body and includes a circuit board, a vibrator and a UV sterilization lamp. The circuit board is electrically connected to a power source, and the vibrator is electrically connected to the circuit board. The UV sterilization lamp is located at the bottom surface of the mite-removing device and electrically connected to the circuit board. When the cleaner body is assembled with the mite-removing device, the mite-removing vacuum cleaner can perform mite-removing and dust-sucking functions both; when the cleaner body is disassembled from the mite-removing device, the cleaner body can perform the dust-sucking function independently. Therefore, the mite-removing vacuum cleaner of the present disclosure can provide the mite-removing and dust-sucking functions both, or provide the dust-sucking function independently.

Abstract: A mobile robotistic mopping machine is formed of a body frame, a mop cloth, a power device, and a control device. The power device includes two opposite wheels and two opposite motors connected with the respective wheels for driving the wheels to rotate to further enable the body frame via the wheels to make the mop cloth move forward for cleaning the ground. The control device is electrically connected with the motors for controlling the motors. When the body frame makes the mop cloth move forward for a predetermined distance, the control device can control and make one of the motors reversely rotate and meanwhile make the other keep normal rotation to further enable the body frame to make the mop cloth turn for a predetermined angle and then keep moving forward.

Abstract: Provided are an autonomous coverage vacuum cleaner and a roller brush frame unit for use therewith. The autonomous coverage vacuum cleaner includes a body, the roller brush frame unit, and at least a roller brush. The roller brush frame unit includes a roller brush frame, a connection frame, and a resilient connection element. The connection frame is disposed at a bottom of the body. The resilient connection element is connected between the roller brush frame and the connection frame. The roller brush frame moves vertically relative to the connection frame and the body when subjected to an external force. The roller brush is rotatably disposed at the roller brush frame. The roller brush frame unit enables the roller brush of the autonomous coverage vacuum cleaner to lift and drop resiliently and automatically according to the condition of the floor.

Abstract: A floor wiping mechanism for mounting in the body of a self-propelled floor cleaner is disclosed to include a frame defining an opening, two rotating shafts suspending in the opening of the frame at two opposite lateral sides in a parallel manner with respective opposite ends thereof positioned in the frame, a wiping cloth made in the form of an endless belt and mounted around the two rotating shafts. When the self-propelled floor cleaner is steering, the floor wiping mechanism is moved with the self-propelled floor cleaner, causing the wiping cloth to wipe the floor.

Abstract: A dual-purpose vacuum cleaner includes a self-walking carriage including three or more wheels, an accommodation chamber providing at least one bearing face, a roller brush, a dust guide, a passageway connected to the accommodation chamber and a plurality of first contacts disposed in the accommodation chamber, a hand-held vacuum cleaner detachably accommodated in the accommodation chamber and including at least one abutment face, a handle, a dust suction entrance attached to the passageway and a plurality of second contacts respectively physically kept in contact with the first contacts, and a cover covered on the self-walking carriage to conceal the hand-held vacuum cleaner in the self-walking carriage.

Abstract: A mobile robotistic mopping machine is formed of a body frame, a mop cloth, a power device, and a control device. The power device includes two opposite wheels and two opposite motors connected with the respective wheels for driving the wheels to rotate to further enable the body frame via the wheels to make the mop cloth move forward for cleaning the ground. The control device is electrically connected with the motors for controlling the motors. When the body frame makes the mop cloth move forward for a predetermined distance, the control device can control and make one of the motors reversely rotate and meanwhile make the other keep normal rotation to further enable the body frame to make the mop cloth turn for a predetermined angle and then keep moving forward.

Abstract: Provided are an autonomous coverage vacuum cleaner and a roller brush frame unit for use therewith. The autonomous coverage vacuum cleaner includes a body, the roller brush frame unit, and at least a roller brush. The roller brush frame unit includes a roller brush frame, a connection frame, and a resilient connection element. The connection frame is disposed at a bottom of the body. The resilient connection element is connected between the roller brush frame and the connection frame. The roller brush frame moves vertically relative to the connection frame and the body when subjected to an external force. The roller brush is rotatably disposed at the roller brush frame. The roller brush frame unit enables the roller brush of the autonomous coverage vacuum cleaner to lift and drop resiliently and automatically according to the condition of the floor.

Abstract: An autonomous coverage vacuum cleaner includes a transmission element driven to rotate and disposed at the bottom of a body, and an edge cleaning head. The transmission element has a lower surface, a positioning recess denting upward from the lower surface and having a non-circular inner profile, and a fixing hole disposed in the positioning recess. The edge cleaning head includes a body, at least a brush extending from the body, a positioning block disposed on the body, and resilient elements extending upward from the positioning block. An outer profile of the positioning block corresponds in shape to the inner profile of the positioning recess. Under an applied force, the resilient elements deform resiliently, get closer to each other, and engage with the fixing holes. The positioning block engages with the positioning recess of the transmission element, such that the transmission elements drive the edge cleaning head to rotate.

Abstract: A guiding device for guiding a mobile robotic vacuum cleaner to a charging base is composed of a central sensor, a left sensor, and a right sensor. The mobile robotic vacuum cleaner is composed of a main processor and a driving system. The charging base includes an optical emitter for emitting optical signals toward a predetermined direction. The central sensor, the right sensor, and the left sensor are electrically connected with the main processor and mounted to a charging sensor set zone. In this way, the main processor can judge whether the mobile robotic device correctly moves toward the charging base according to the signals detected by the sensors and then adjustably control the moving direction of the mobile robotic vacuum cleaner via the driving system to guide the mobile robotic vacuum cleaner to accurately move toward the charging base.

Abstract: A battery charger having a charging side at the body thereof for receiving and charging a mobile robotic vacuum cleaner is disclosed. The charging side has a groove, a sound wave transmitter mounted in the groove and a baffle mounted in the groove in front side of the sound wave transmitter for reflecting the sound wave transmitted by the ultrasonic transmitter toward two opposite lateral sides of the charging side along the groove to form two opposing sound wave beams to form two opposing sound wave beams for receiving by a sound wave receiver of the mobile robotic vacuum cleaner for determination of the steering direction. Subject to the guide of the sound wave beams, the mobile robotic vacuum cleaner is accurately guided to the battery charger and will not pass over or impact the battery charger.

Abstract: A driving module installed in a base frame having a power socket is disclosed to include a casing detachably affixed to the base frame and defining therein an accommodation chamber, a motor fixedly mounted in the accommodation of the casing and having an output shaft and a power cable extended out of the casing and electrically connected to the power socket, a transmission gear set rotatable by the output shaft of the motor, a transmission shaft pivotally mounted in the casing and having a driving portion drivable by said transmission gear set to rotate the transmission shaft and at least one first toothed face, and at least one rotation shaft pivotally mounted in the casing, each rotation shaft having a second toothed face meshed with the first toothed face and rotatable by the transmission shaft.

Abstract: Used in a mobile robotic vacuum cleaner, a dust collector is disclosed to include a dust collection box, and a chips collection box connected to the dust collection box. The chips collection box comprises two openings respectively disposed adjacent to one respective roller brush of the mobile robotic vacuum cleaner and adapted for receiving chips directed by the roller brush for enabling the directed chips to be gathered in the chips collection box. Thus, dust sucked by the mobile robotic vacuum cleaner and chips directed by the roller brushes are respectively collected in the dust collection box and the chips collection box, and any non-dust articles that are accidentally directed into the chips collection box can be discovered and cleaned easily by the user.

Abstract: A dual-purpose vacuum cleaner includes a self-walking carriage including three or more wheels, an accommodation chamber providing at least one bearing face, a roller brush, a dust guide, a passageway connected to the accommodation chamber and a plurality of first contacts disposed in the accommodation chamber, a hand-held vacuum cleaner detachably accommodated in the accommodation chamber and including at least one abutment face, a handle, a dust suction entrance attached to the passageway and a plurality of second contacts respectively physically kept in contact with the first contacts, and a cover covered on the self-walking carriage to conceal the hand-held vacuum cleaner in the self-walking carriage.

Abstract: A mobile robotic vacuum cleaner with a detachable electrical fan is disclosed to include a housing having a fan chamber, an electrical fan detachably mounted in the fan chamber, and a cover plate detachably fastened to the housing to hold down the electrical fan in the fan chamber. Subject to the use of the detachable cover plate to hold down the electrical fan in the fan chamber, the electrical fan can be installed in the fan chamber conveniently without any fastening members, such as screws, or the use of any hand tool, such as screwdriver and, after removal of the cover plate, the electrical fan can be removed from the housing easily.