Abstract: A rear cover assembly structure of an air purifier allows for rapid opening and demounting of a rear cover and includes a housing, the rear cover, a hooking mechanism, and a magnetic connection mechanism. The rear cover can be assembled on or detached from the housing by the hooking mechanism and the magnetic connection mechanism. The hooking mechanism includes a groove set on the housing and a shaft set on rear cover. The shaft being set in the groove or separated from the groove respectively locks or unlocks the hooking mechanism. The magnetic connection mechanism includes a magnetic assembly set on the housing and a metal sheet set on the rear cover, the metal sheet is attracted to the magnetic assembly. The metal sheet is set on the housing by a fixed structure of the housing.

Abstract: An unlocking method used in an electronic device includes acquires data as to motion of the electronic device detected by a gyroscope at predetermined intervals when the electronic device is locked. If current motion of the electronic device is caused by a human, according to the acquired motion data and motion data stored in the storage device, a capturing device is controlled to capture an image. Biological characteristics in the acquired image are matched against biological characteristics pre-stored in the storage device, and the electronic device is unlocked when matching biological characteristic is found.

Abstract: An icon display structure includes a display panel including a silkscreen interlayer, a diffusion sheet, and a light source. The diffusion sheet includes a light transmission zone. The silkscreen interlayer includes a silkscreen icon and defines a hollow icon. The silkscreen icon is aligned with the hollow icon and appears directly on the display panel. The light transmission zone of the diffusion sheet is aligned with the silkscreen icon and the hollow icon. The light source is positioned behind the diffusion sheet. The light source emits light and the light transmits through the light transmission zone and the hollow icon to light up the silkscreen icon on the display panel.

Abstract: A breathing light assembly of an air purifier includes a front panel, a cover, a breathing light, a body cover, and a reflective strip. The cover includes a light transmission panel and a curved surface and is mounted to the front panel. The breathing light is mounted to the curved surface and faces the light transmission panel. The body cover cooperatively defines an optical channel with the cover. A surface of the body cover includes a light emitting zone within the optical channel. The light emitting zone faces the breathing light across the optical channel. Light emitted by the breathing light passes through the light transmission panel to the light emitting zone. The reflective strip is mounted on the light emitting zone and positioned at an end of the optical channel. The reflective strip reflects the light emitted by the breathing light.

Abstract: An electronic device includes an imaging light assembly including a display panel, a circuit board, a light source, and a light cover. The light source is mounted and electrically coupled to the circuit board. The light cover is mounted to a rear surface of the display panel and covers the light source. The light source emits light to the light cover. The light cover includes at least one projection lens located between the light cover and the display panel. The at least one projection lens focuses the light emitted by the light source and projects the focused light to the display panel. The focused light projected to the display panel projects an image of a design of the projection lens.

Abstract: A filter cleaning mechanism includes a sliding rail, a filter, a dust box, a cleaning device, and a driver. The filter is mounted to the sliding rail. The dust box is mounted to a bottom of the sliding rail. The cleaning device is mounted in front of the filter and above the dust box. The cleaning device includes a cleaning brush and a screen. The driver is mounted to a side of the sliding rail and is electrically coupled to the cleaning device. The driver moves up and down along the sliding rail. The cleaning brush and the screen move along with the driver up and down the sliding rail. The driver drives the cleaning brush to brush the filter. The screen blocks the front of the filter while the cleaning brush brushes the filter.

Abstract: A receiving device includes a casing, a guiding member, a rotation member, a key, and a pushrod. The casing includes a baseboard, a first side plate, a second side plate, and a receiving member. The guiding member is received in the receiving member and defines a receiving groove. The rotation member rotatably covers the receiving groove and defines a bump element. The bump element is mounted on the first side plate through a first spring. The key is movably arranged in the casing. The pushrod includes a first end, a second end, and a spindle. The key is driven by an external force to drive the pushrod to rotate about the spindle, and the pushrod drives the rotation member to rotate until the receiving groove is no longer covered, thus the receiving groove is opened.

Abstract: A speed controlling method for a vehicle comprises obtaining a driving speed limit of a road ahead from a navigation system of the vehicle. A current driving speed of the vehicle is detected and if the current driving speed of the vehicle is greater than the limit ahead, a driver of the vehicle is informed that he must slow down in a distance between the vehicle and a speed measuring device located on the road ahead.

Abstract: A receiving device for an electronic device, to hold a stylus, includes a top member, a bottom member, and a connection member. The bottom member faces the top member, the connection member is arranged between the top member and the bottom member. A clamping member and a receiving member are formed between the top member, the bottom member, and the connection member. The clamping member faces away from the receiving member, the clamping member is clamped onto an electronic device, the receiving member receives a stylus.

Abstract: An air purification device includes a housing, an air quality sensor, an LED light group, and a controller. The air quality sensor is mounted within the housing and detects air quality parameters in real time. The LED light group is mounted within the housing and includes at least one LED light. The controller is mounted within the housing and controls the at least one LED light of the LED light group to emit light of a corresponding color according to the air quality parameters. The emitted light corresponds in color to indicate an air quality.

Abstract: A noise reduction device for reducing noise in refrigeration equipment includes at least one transition tube having a diameter gradually increasing from a capillary of the refrigeration equipment to an evaporator of the refrigeration equipment. The refrigerant liquid is circulated through the noise reduction device.

Abstract: A refrigerator includes a refrigeration system and a heating chamber powered by a part of the refrigeration process. The refrigeration system is a closed and recycling system which comprises a compressor, a first condenser, a three-way magnetic valve, a second condenser, at least one capillary pipeline, and an evaporator. The heating chamber is located around the first condenser, and the first condenser emits to the heating chamber heat which is emitted by the refrigeration system.

Abstract: A physical button mechanism for an electronic device includes a casing and a button mechanism therein mounted. The button mechanism includes a connection element, at least one button, a bracket, and at least one adjusting element. The at least one button is mounted on a side of the connection element. The bracket is arranged on another side of the connection element. The at least one adjusting element is mounted on the bracket to be in contact with the connection element. The adjusting element and the connection element are adjustable to allow for sloppiness and spring fatigue over long usage, by adjusting preload sprung pressure of the button mechanism.

Abstract: A receiving device for an electronic device, to hold a stylus, includes a top member, a bottom member, and a connection member. The bottom member faces the top member, the connection member is arranged between the top member and the bottom member. A clamping member and a receiving member are formed between the top member, the bottom member, and the connection member. The clamping member faces away from the receiving member, the clamping member is clamped onto an electronic device, the receiving member receives a stylus.

Abstract: A wearable device includes a frame and a display element is provided. The frame internally includes a sliding element. The display element is attached to the sliding element and can slide on the sliding element to be brought in front of the wearer's eye or away from the wearer's eye.

Abstract: A 3D image acquisition terminal includes an image capturing unit configured to capture an image of a target to obtain image information, and an infrared transceiver configured to scan the target to acquire distance information of the target. 3D image information of the target is generated according to the image information and the distance information.

Abstract: An electronic device includes a case and a plug. The case has an end wall to which the plug can be firmly held by magnetism. The plug matches output and input ports arranged on the end wall and includes a power transmission adapter, a ground adapter, a video transmission adapter, an audio transmission adapter, and a data transmission adapter, for transmitting power, grounding, transmitting video, audio, and data to the electronic device. A connector and an electronic device assembly are also provided.

Abstract: A smart pillow to avoid neck pain and pressure sores and promote healthy sleep includes a body, a processing unit, a plurality of pressure sensors, and a plurality of air bags. The pressure sensors and the air bags are mounted in the body. Each air bag includes a bi-directional valve. The pressure sensors can detect values of pressure on the body and thus the body of a user, and transmit the detected pressure values to the processing unit. The processing unit can control the bi-directional valves of the air bags in accordance with the received pressure values to adjust air amounts of each of the air bags by indrawing or releasing air. The smart pillow guides and supports a user's neck.

Abstract: A speed controlling method for a vehicle comprises obtaining a driving speed limit of a road ahead from a navigation system of the vehicle. A current driving speed of the vehicle is detected and if the current driving speed of the vehicle is greater than the limit ahead, a driver of the vehicle is informed that he must slow down in a distance between the vehicle and a speed measuring device located on the road ahead.

Abstract: An unlocking method used in an electronic device includes acquires data as to motion of the electronic device detected by a gyroscope at predetermined intervals when the electronic device is locked. If current motion of the electronic device is caused by a human, according to the acquired motion data and motion data stored in the storage device, a capturing device is controlled to capture an image. Biological characteristics in the acquired image are matched against biological characteristics pre-stored in the storage device, and the electronic device is unlocked when matching biological characteristic is found.