Abstract: A method for producing a locally hardened component is provided. The method includes S1: placing a to-be-heated portion of a base component in an induction coil for induction heating to form a heated portion; S2: after a completion of the induction heating, spraying a quenching solution on the heated portion, cooling the heated portion down to room temperature, removing the base component, and tempering the base component at low temperature to obtain a quenched component; and S3: grinding, degreasing, and drying a hardened portion of the quenched component, coating a surface treatment solution on a surface of the hardened portion, curing the surface treatment solution, and performing an induction cladding on the hardened portion in a nitrogen atmosphere to obtain the locally hardened component.

Abstract: A method for producing a locally hardened component is provided. The method includes S1: placing a to-be-heated portion of a base component in an induction coil for induction heating to form a heated portion; S2: after a completion of the induction heating, spraying a quenching solution on the heated portion, cooling the heated portion down to room temperature, removing the base component, and tempering the base component at low temperature to obtain a quenched component; and S3: grinding, degreasing, and drying a hardened portion of the quenched component, coating a surface treatment solution on a surface of the hardened portion, curing the surface treatment solution, and performing an induction cladding on the hardened portion in a nitrogen atmosphere to obtain the locally hardened component.

Abstract: The present application discloses a metal sulfide and use thereof, and a resin composition containing the metal sulfide, and relates to the technical field of sulfides. The metal sulfide of the present application is a zinc sulfide material, and the zinc sulfide material has a particle size distribution satisfying the following relationships: 1.0?1000× (Dv75?Dv25)/(Dv50)2?2.2 and 3.0?(Dv97×Dv50)/(Dv10×1000)?12.8; where the Dv10, Dv25, Dv50, Dv75, and Dv97 represent particle diameters corresponding to cumulative volume distribution percentages of 10%, 25%, 50%, 75%, and 97% of the zinc sulfide material, respectively, all expressed in nm. The particle size distribution of the metal sulfide is controlled, so that the resin composition containing the metal sulfide exhibits high color stability and a low whiteness variation rate under alternating high- and low-temperature environments.

Abstract: The present application discloses a metal sulfide and use thereof, and a resin composition containing the metal sulfide, and relates to the technical field of sulfides. The metal sulfide is a zinc sulfide material containing a cobalt element and an iron element, the cobalt element has a mass content of 200-500 ppm in the zinc sulfide material, and the iron element has a mass content of 3-200 ppm in the zinc sulfide material; a mass content of zinc in the zinc sulfide material and a pH value of the zinc sulfide material satisfy the following relationship: 1.2?pH?2.5×lg(WZn)?3.3; where the pH is the pH value of the zinc sulfide material, and WZn is the mass content of zinc in the zinc sulfide material, expressed in %.

Abstract: Apparatuses, systems for electronic wearable devices such as smart glasses are described. The wearable device can comprise a frame, an elongate temple and an articulated joint. The frame can define one or more optical element holders configured to hold respective optical elements for viewing by a user in a viewing direction. The temple can be moveably connected to the frame for holding the frame in position when the device is worn by the user. The articulated joint can connect the temple and the frame to permit movement of the temple relative to the frame between a wearable position in which the temple is generally aligned with the viewing direction, and a collapsed position in which the temple extends generally transversely to the viewing direction. The articulated joint can include a base foot fixed to the frame and oriented transversely to the viewing direction.

Abstract: Systems and methods of performing a vehicle action based on an interior radar sensor that may be used to detect a user outside of the vehicle are provided. The interior radar sensor may be installed behind the center line of a headliner of the vehicle, and detect the user's head and/or an upper-body gesture through any window of the vehicle, e.g., upon detection of a key fob carried by the user outside the vehicle. Upon detection of a valid gesture, e.g., a predetermined pattern of movement, by the user, the vehicle action may be performed.

Abstract: A laminated glass for vehicle use is prepared from raw materials including a first glass plate, a second glass plate, and an interlayer material. The first glass plate and the second glass plate have different compositions. The difference between temperature Tp1 and temperature Tp2 is smaller than or equal to 50° C. The temperature Tp1 is defined as a sum of a transition point temperature Tg1 of the first glass plate and a first temperature compensation value Tb1. The temperature Tp2 is defined as a sum of a transition point temperature Tg2 of the second glass plate and a second temperature compensation value Tb2. The temperature Tp is defined according to the following general formula: Tp=Tg+Tb.

Abstract: Various waveguides and image display systems are disclosed herein. In an example, an image display system can include an optical engine configured to generate an image and a waveguide. The waveguide can have a light in-coupling region formed along a peripheral edge of the waveguide, the light in-coupling region including a first surface with a first set of diffraction gratings, and a light exit region formed along a top surface of the waveguide, the light exit region including a second set of diffraction gratings. The first set of diffraction gratings can be configured to diffract light towards the second set of diffraction gratings, and the second set of diffraction gratings can be configured to diffract light towards the user's eye.

Abstract: A carry case for an electronics-enabled eyewear device, such as smart glasses, has charging contacts that are movable relative to a storage chamber in which the eyewear device is receivable. The charging contacts are connected to a battery carried by the case for charging the eyewear device via contact coupling of the charging contacts to corresponding contact formations on an exterior of the eyewear device. The charging contacts are in some instances mounted on respective flexible walls defining opposite extremities of the storage chamber. The contact formations on the eyewear device are in some instances provided by hinge assemblies that couple respective temples to a frame of the eyewear device.

Abstract: Coating systems, composite articles formed from the coating systems, and methods of forming the composite articles are provided herein. In an embodiment, a coating system comprises a waterborne underlying composition comprising an acrylic latex resin and a two-part waterborne clearcoat composition. The two-part waterborne clearcoat composition comprises a clearcoat binder part and a clearcoat crosslinker part. The clearcoat binder part comprises a water-dilutable, hydroxyl-functional (meth)acrylate copolymer. The clearcoat crosslinker part comprises a polyisocyanate compound having pendant —NCO groups. A cured film of the waterborne clearcoat composition having a film thickness of 67.5 ?m overlying a cured film of the waterborne underlying composition having a film thickness of 20 ?m disposed on a substrate exhibits a popping density of less than about 3 pops per square centimeter, as measured by visual observation with the naked eye at a distance of 30 cm under a fluorescent light source.

Abstract: An off-line voice light control system is provided, including: a pickup unit for picking up a voice signal of a user; a voice recognition unit configured to parse the voice signal and output a command signal, where the voice recognition unit is electrically connected to the pickup unit; a lighting mode switching unit for generating a lighting mode signal after parsing the command signal provided by the voice recognition unit, where the lighting mode switching unit is electrically connected to the voice recognition unit; and a switch unit controlled by the lighting mode signal to be enabled and disabled, where the switch unit is electrically connected to the lighting mode switching unit; where an output end of a step-down direct-current power conversion chip is respectively connected to a cathode terminal of a fly-wheel diode and one end of a first inductor.

Abstract: Apparatuses, systems for electronic wearable devices such as smart glasses are described. The wearable device can comprise a frame, an elongate temple and an articulated joint. The frame can define one or more optical element holders configured to hold respective optical elements for viewing by a user in a viewing direction. The temple can be moveably connected to the frame for holding the frame in position when the device is worn by the user. The articulated joint can connect the temple and the frame to permit movement of the temple relative to the frame between a wearable position in which the temple is generally aligned with the viewing direction, and a collapsed position in which the temple extends generally transversely to the viewing direction. The articulated joint can include a base foot fixed to the frame and oriented transversely to the viewing direction.

Abstract: Data are received from a vehicle sensor detecting a vehicle passenger and then determine that a vehicle has transitioned to a parked state from a non-parked state. Upon determining that the vehicle is in the parked state, a first output is provided to a user interface based on the data detecting the vehicle passenger prior to elapsing of an activation time of the vehicle sensor that collected the data of the vehicle passenger.

Abstract: Apparatuses, systems and methods for electronic wearable devices such as smart glasses are described. According to one embodiment, a temple assembly forming part of the smart glasses is disclosed. The assembly can include a temple mechanical connection, a battery carrier, a battery, and a temple body. The temple mechanical connection is configured to form an articulated joint at a first longitudinal end portion thereof with a frame of the wearable electronic glasses. The battery carrier is rigidly attached to the temple mechanical connection at a second longitudinal end portion thereof. The battery is mounted on the battery carrier. The temple body comprises a plastics material, and is configured to house the battery and battery carrier and interface with the second longitudinal end portion of the temple mechanical connection.

Abstract: The disclosure relates to a method for manufacturing a tray table containing plant fiber and a tray table made therefrom. The manufacturing method comprises: a) homogenizing a halogen-free flame retardant to obtain a homogeneous halogen-free flame retardant; b) melting a thermoplastic resin and uniformly blending the molten thermoplastic resin with a plant fiber, the homogeneous halogen-free flame retardant, and a compatibilizer to obtain a plant fiber composite material; c) extruding and granulating the plant fiber composite material to obtain a granular composite material; and d) mixing the granular composite material with a foaming agent and injection molding to obtain the tray table. The tray table manufactured according to the method herein is green and environmentally friendly, non-toxic and harmless, and also has high flame-retardant effect and weight reduction effect.

Abstract: Asymmetric laminated glass and a manufacturing method therefor and a use thereof. The asymmetric laminated glass comprises outer panel glass and inner panel glass, wherein the thickness of the outer panel glass is greater than that of the inner panel glass; at least 90% of surface regions of a second surface of the outer panel glass and of a third surface of the inner panel glass are both curved surfaces having constant Gaussian curvature; the second surface of the outer panel glass has main curvature K2z and auxiliary curvature K2f in the region, and the third surface of the inner panel glass has main curvature K3z and auxiliary curvature K3f in the region; and the following relational expressions are satisfied: K2f>K3f and 0.7?(K3z×K3f)/(K2z×K2f)?1.3. By means of a curvature matching design, the width of an edge optical distortion region of the asymmetric laminated glass is controlled within 50 mm.

Abstract: A multiple flow channel full contact fin heat exchange mechanism includes a heat concentration unit and a heat transfer assembly. The heat concentration unit is arranged at a focusing position of a soler energy reflection heat-concentration device. The heat transfer assembly is arranged on the heat concentration unit. Multiple groups of heat exchange flow channels are formed between the heat transfer assembly and the heat concentration unit. Two adjacent groups of heat exchange flow channels are connected in sequence. All of the heat exchange flow channels are arranged parallel in a linear direction. By having the multiple groups of heat exchange flow channels arranged between the heat transfer assembly and the heat concentration unit and two adjacent groups of heat exchange flow channels connected in sequence and arranged in parallel in a linear direction, fluid flowing in the heat exchange flow channels directly contacts the heat transfer assembly.

Abstract: The disclosure relates to a method for manufacturing a tray table containing plant fiber and a tray table made therefrom. The manufacturing method comprises: a) homogenizing a halogen-free flame retardant to obtain a homogeneous halogen-free flame retardant; b) melting a thermoplastic resin and uniformly blending the molten thermoplastic resin with a plant fiber, the homogeneous halogen-free flame retardant, and a compatibilizer to obtain a plant fiber composite material; c) extruding and granulating the plant fiber composite material to obtain a granular composite material; and d) mixing the granular composite material with a foaming agent and injection molding to obtain the tray table. The tray table manufactured according to the method herein is green and environmentally friendly, non-toxic and harmless, and also has high flame-retardant effect and weight reduction effect.

Abstract: A concentric tube heat carry-away device includes an outer tube, a tube end fixing cap, and an inner tube. Heat dissipation grooves are arranged inside the outer tube, and the heat dissipation grooves form heat-dissipating channels. The inner tube and the outer tube are arranged to space from each other and form a cooling space. The heat-dissipating channels are arranged in the cooling space. The inner tube is in communication with the cooling space. In the concentric tube heat carry-away device, heat enters through the inner tube and heat is transmitted to the inner tube. An inner tube lead-in end of the inner tube is of a horn shape to accelerate entry of the heat. Afterwards, the heat flows from the inner tube back into the outer tube, and heat is further transmitted to the outer tube. The heat dissipation grooves inside the outer tube accelerates dissipation of heat.

Abstract: A homogeneous temperature liquid-cooling condenser heat-dissipating device includes side plates, an upper positioning plate, a lower positioning plate, water-cooling heat dissipation tubes, heat dissipation fins, a water-cooling heat dissipation assembly, and a vacuum heat dissipation assembly. The water-cooling heat dissipation assembly includes upper and lower water chambers and water inlet and outlet tubes. The vacuum heat dissipation assembly includes a vacuum box, vacuum guide tubes, and a vacuum heat absorption tube. The vacuum heat absorption tube is used to fast absorb heat and the heat passes sequentially through the vacuum box, the vacuum guide tubes, and the water-cooling heat dissipation tubes.