Abstract: The present disclosure relates to a method and apparatus for touch responding of a wearable device, and the wearable device. The method for touch responding of the wearable device comprises: acquiring position information of a target fingertip collected by binocular recognition means in a set touch action occurrence area; determining a mapping point mapped on a screen of the wearable device for the target fingertip based on the position information of the target fingertip; and displaying a cursor at the mapping point on the screen of the wearable device. The wearable device according to the present disclosure feeds back effect of touch operations to the user in real time, and thus improves touch accuracy of the wearable device.

Abstract: The present disclosure provides a vehicle-mounted display system and a vehicle. The vehicle-mounted display system includes a transparent projection screen and a projector configured to project an image onto the transparent projection screen. A first polarizer is attached onto a lens of the projector, and a second polarizer is attached onto the transparent projection screen. The second polarizer has a polarization transmission direction crossing a polarization transmission direction of the first polarizer at such an angle as to enable a light beam from the projector and passing through the first polarizer and the second polarizer to be of an intensity smaller than an intensity of a light beam capable of being recognized by human eyes. The second polarizer has a polarization reflection direction perpendicular to its polarization transmission direction, so as to reflect a light component in the polarization reflection direction.

Abstract: A microprojection device and a magnetic suspension base are provided. The microprojection device comprises a microprojector and a main suspension magnet. The microprojector is fixed to the main suspension magnet. The magnetic field direction at a magnetic field center of the main suspension magnet is in the vertical direction so the microprojector can be driven to be suspended in a magnetic field environment. The magnetic suspension base comprises: a housing and at least three base magnets disposed therein. The magnetic field direction at the center of a combined magnetic field formed by the at least three base magnets is in the vertical direction; the magnetic intensity at the center of the combined magnetic field is less than the magnetic intensity near the base magnets; and the microprojector can be driven to be suspended under the magnetic field environment by being fixed on the magnet.

Abstract: The present invention provides a method and a system for overlaying an image in a video stream. The method comprising steps of: acquiring an image element signature including at least one image element from the video stream; determining whether the image element signature matches an image to be overlaid; and overlaying the image when the image element signature is determined to match the image to be overlaid.

Abstract: The present disclosure provides a vehicle-mounted display system and a vehicle. The vehicle-mounted display system includes a transparent projection screen and a projector configured to project an image onto the transparent projection screen. A first polarizer is attached onto a lens of the projector, and a second polarizer is attached onto the transparent projection screen. The second polarizer has a polarization transmission direction crossing a polarization transmission direction of the first polarizer at such an angle as to enable a light beam from the projector and passing through the first polarizer and the second polarizer to be of an intensity smaller than an intensity of a light beam capable of being recognized by human eyes. The second polarizer has a polarization reflection direction perpendicular to its polarization transmission direction, so as to reflect a light component in the polarization reflection direction.

Abstract: The present application discloses a display apparatus including an image display portion for displaying an image, the image display portion emitting display light along a light propagating direction; and a light modulator assembly having a first light modulator and a second light modulator arranged in series along the light propagating direction. The second light modulator has at least a reflective optical state. The first light modulator is switchable between the reflective optical state and a transmissive optical state and is on a side of the second light modulator proximal to the image display portion. A total number of light modulators including the second light modulator and any light modulator on a side of the second light modulator proximal to the image display portion is N, N is an integer?2.

Abstract: The present disclosure provides a control apparatus and a control method for a sunroof of a vehicle, and the vehicle including the control apparatus. The control apparatus includes an acquisition device, a sensor and a control device. The acquisition device is configured to acquire a precipitation probability value at a place where the vehicle is located, the sensor is configured to measure a humidity value outside the sunroof, and the control device is configured to compare the precipitation probability value and the humidity value with a preset precipitation probability threshold and a preset humidity threshold respectively, so as to control the sunroof.

Abstract: The present disclosure provides device and method for measuring cervical vertebra movement. The device comprises a sensor unit, a computation unit, a storage unit and a determination unit. The sensor unit comprises at least one transmission part and at least one reception part. Either of the transmission part and the reception part moves along with user's head, the other fixes relative to user's body. The transmission part transmits detection signals and the reception part receives them. The computation unit computes, based on detection signals, distance changes in a distance between the transmitting and reception part before and after user's head moves. The storage unit stores a mapping table indicating relations between distance changes and movement angles of user's head. The determination unit inquires the mapping table based on distance changes to determine movement angles of user's head. The device is simple, easily operated and practicable.

Abstract: An irradiation device comprises a light source, an optical switch element and an image recognition module communicatively connected to the optical switch element. In some embodiments, a contour of a target area is recognized by an image recognition module and is provided by the image recognition module to the optical switch element, and a contour of an irradiation area of the light source is controlled by the optical switch element to match with the contour of the target area according to the contour of the target area provided by the image recognition module. Thus, when skin diseases are treated using the irradiation device according to some embodiments of the present disclosure, the contour of the irradiation area of the light source coincides with the contour of the target area, thereby ensuring a therapeutic effect with respect to the target area while avoiding damages to skin in a healthy area.

Abstract: Embodiments of the invention disclose a bone-conduction sound transmission device and method. The device comprises a signal output module for providing a digital audio signal, a signal conversion and emission module for converting the digital audio signal into a vibration signal and emitting the vibration signal, a signal detection module, for detecting the vibration signal for at least one position in the transmission path from the signal conversion and emission module to a receiving end, and a signal feedback module which is configured to calculate an attenuation coefficient of the vibration signal at each of the positions, determine a compensation signal based on the attenuation coefficient and compensate for the vibration signal generated from the signal conversion and emission module with the compensation signal.

Abstract: An air filtration equipment, the air filtration equipment is installed in an ventilation area at an interface between indoor and outdoor spaces of a fixed space, the equipment including: a sensor configured to sense information on inhalable particles in outside air; at least one filtering layer configured to filter out inhalable particles in air entering from the ventilation area into the indoor space; and a control device connected with the sensor and the at least one filtering layer and configured to control the at least one filtering layer to expand according to the information sensed by the sensor, such that the expanded at least one filtering layer covers the ventilation area. Also, a screen window and a window are provided.

Abstract: A cleaning device, which includes a clean water tank, a water pump and a cleaning head. A water outlet of the clean water tank is connected with the water pump, and a water outlet of the water pump is connected with the cleaning head through an outlet pipe. The cleaning device further includes an outlet control switch and a one-way water hydraulic control valve. The outlet control switch is provided on the outlet pipe; a water inlet of the one-way water hydraulic control valve is connected with the outlet pipe, and a joint of the water inlet of the one-way water hydraulic control valve and the outlet pipe is disposed between the outlet control switch and the water pump; and a water outlet of the one-way water hydraulic control valve is communicated with a water inlet of the clean water tank.

Abstract: The present disclosure provides a magnetic resonance type wireless charging circuit, and belongs to the field of wireless charging technology. The magnetic resonance type wireless charging circuit comprises: a high frequency oscillation circuit configured to generate an initial oscillation signal; and a driving circuit configured to generate a transmission signal using the initial oscillation signal; wherein the driving circuit comprises one stage of driving sub-circuit or n stages of driving sub-circuits with (n?1) stages of Direct Current (DC) blocking circuits serially connected thereamong in an alternate manner, where n?2 and n is an integer, and each stage of driving sub-circuit comprises a frequency doubling circuit and a first frequency selection circuit which are connected in series.

Abstract: Provided is a blood parameter monitoring device, including: a skin patch wearable on skin; a blood parameter sensor arranged at the skin patch and configured to detect a blood parameter; a processor configured to send an abnormality indication signal when determining that the blood parameter is not within a predetermined range, and send a normality indication signal when determining that the blood parameter is within the predetermined range; a timer configured to start a timing process upon receiving the abnormality indication signal, stop the timing process upon receiving the normality indication signal, and send an alarm signal if a duration of the timing process is longer than or equal to a predetermined duration; and an alarm connected to the timer and configured to give an alarm and/or trigger a predetermined mobile communication terminal to send a warning signal to a preset phone number, after receiving the alarm signal.

Abstract: The present invention provides a wall-mounted display apparatus and a control method thereof, the h devices are provided in edge areas of a back surface opposite to a light emitting surface of the display apparatus, and/or the plurality of light emitting devices are provided on edge side surfaces perpendicular to the light emitting surface of the display apparatus and are configured to emit light towards the rear of the display apparatus. The control method comprises controlling a plurality of light emitting devices to emit light upon the display apparatus is in operation. The wall-mounted display apparatus and control method thereof according to exemplary embodiments of the invention are capable of effectively eliminating or attenuating shadow areas around a display apparatus, thereby avoiding influence on watching effect of the user.

Abstract: The present invention discloses a multipurpose conferencing terminal and a multipurpose conferencing system. The multipurpose conferencing terminal comprises a display device and a control circuit, and the control circuit comprises a wireless communication module through which the multipurpose conferencing terminal communicates with a mobile terminal of a corresponding attendee. As the multipurpose conferencing terminal of the present invention has the wireless communication module capable of communicating with the mobile terminal of the attendee, a communication between the multipurpose conferencing terminal and the mobile terminal of the attendee is realized.

Abstract: The present application discloses an apparatus for protecting a user's eye from blue light radiation, the apparatus includes a radiation detector configured to convert blue light from a light source into a photo voltage having a voltage value; a processor coupled to the radiation detector and configured to calculate a cumulative radiation intensity based on the voltage value cumulated over a time interval, and to compare the cumulative radiation intensity with a threshold value; and a controller coupled to the processor, configured to adjustably control blocking of at least a portion of blue light from the user's eye when the cumulative radiation intensity exceeds the threshold value.

Abstract: The present invention provides a wall-mounted display apparatus and a control method thereof, the display apparatus comprises a plurality of light emitting devices, the plurality of light emitting devices are provided in edge areas of a back surface opposite to a light emitting surface of the display apparatus, and/or the plurality of light emitting devices are provided on edge side surfaces perpendicular to the light emitting surface of the display apparatus and are configured to emit light towards the rear of the display apparatus. The control method comprises controlling a plurality of light emitting devices to emit light upon the display apparatus is in operation. The wall-mounted display apparatus and control method thereof according to exemplary embodiments of the invention are capable of effectively eliminating or attenuating shadow areas around a display apparatus, thereby avoiding influence on watching effect of the user.

Abstract: The present disclosure relates to a method and apparatus for touch responding of a wearable device, and the wearable device. The method for touch responding of the wearable device comprises: acquiring position information of a target fingertip collected by binocular recognition means in a set touch action occurrence area; determining a mapping point mapped on a screen of the wearable device for the target fingertip based on the position information of the target fingertip; and displaying a cursor at the mapping point on the screen of the wearable device. The wearable device according to the present disclosure feeds back effect of touch operations to the user in real time, and thus improves touch accuracy of the wearable device.

Abstract: The present disclosure relates to the field of display technology, and in particular, to a smart wearable device. The smart wearable device comprises a glasses body, an auxiliary frame for its user to wear on the head, and a massage apparatus for the user to massage the head; the glasses body comprising a smart display means and glasses legs carrying the smart display means; both ends of the auxiliary frame being connected to the glasses legs, respectively.