Abstract: The disclosure relates to a method and device for supplying power to an electronic device, and a storage medium. The method can include detecting, by a power control device of the electronic device, whether a core component of the electronic device is in an acceleration mode. When detecting that a core component of the electronic device is in the acceleration mode, the method can include determining a target current required by the core component, and if the target current is greater than a maximum rated current of the power adapter, controlling the power adapter and a battery of the electronic device to jointly supply power to the core component.

Abstract: Electrically tunable hybrid silicon-transparent conductive oxide (Si-TCO) devices, such as dual-electrode micro-ring resonators and micro-disks for large-scale on-chip wavelength division multiplexing optical interconnects.

Abstract: A method for invoking a system file includes: detecting, during a startup process, a trigger operation that is input; establishing, in response to the detecting of the trigger operation, a link with a cloud server, and the trigger operation being used to trigger an invocation to the system file; and invoking, based on the link, the system file from the cloud server. As such, the system file can be invoked from the cloud server, and an invocation to the system file can be realized.

Abstract: The present invention relates to the field of vehicle correction, and provides a calibration system and a calibration bracket thereof. The calibration bracket includes: a base, a stand assembly and a beam assembly. The stand assembly is fixedly connected to the base. The beam assembly includes a first beam portion, a second beam portion and a connecting portion, the connecting portion being mounted to the stand assembly, one end of the connecting portion being hinged to the first beam portion, and the other end of the connecting portion being hinged to the second beam portion. The first beam portion and the second beam portion can respectively rotate toward each other relative to the connecting portion, so that the beam assembly can be folded. The first beam portion and the second beam portion can also respectively rotate away from each other relative to the connecting portion, so that the beam assembly can be unfolded.

Abstract: The present invention relates to the field of automobile maintenance and device calibration technologies, and discloses a clamping apparatus and an automobile calibration device. The clamping apparatus includes a fixing plate, a fixing block and a tension knob. The fixing block includes a fixing block body and a locking spring piece. The fixing block body is installed on the fixing plate. A receiving cavity is enclosed by the fixing block body and the fixing plate. The locking spring piece is located in the receiving cavity. The tension knob is installed on the fixing block body. The tension knob is capable of rotating relative to the fixing block body, to extend inside the receiving cavity and to abut against the locking spring piece. When a to-be clamped and calibrated apparatus is inserted in the receiving cavity, the tension knob may push the locking spring piece to abut against the to-be clamped and calibrated apparatus.

Abstract: A dynamic free-space-optical femto-cell (DFF) communication system is disclosed. The system operates to allow bi-directional communication between transceiver and receivers using free space optics and line of sight alignment and tracking. The system dynamically adjusts beam direction and beam shape in order to maximize power efficiency and maintain line of sight using beam steering and beam forming. The result is greatly reduced power requirement, improved security and dynamic mobility.

Abstract: The present invention relates to the field of device calibration technologies and discloses a sliding apparatus and an automobile calibration device. The sliding apparatus includes: a guide rail, which includes a first surface and a second surface that are perpendicular to each other, where the first surface is provided with a first sliding groove and the second surface is provided with a second sliding groove, the first sliding groove and the second sliding groove being disposed in parallel; and a plate body, a first sliding member and a second sliding member, where the first sliding member and the second sliding member are installed on the plate body. The first sliding member is movably installed in the first sliding groove and the second sliding member is movably installed in the second sliding groove, so that the plate body is slidable along the guide rail.

Abstract: The present application relates to the field of automobile maintenance and device calibration, and discloses an on-board radar calibration device. The on-board radar calibration device includes a bracket assembly, a beam assembly, a sliding member, and a calibration laser. The beam assembly is mounted on the bracket assembly, and is movable relative to the bracket assembly in a vertical direction. The sliding member is mounted on the beam assembly and is movable relative to the beam assembly in a horizontal direction, the sliding member including a first surface and a second surface opposite to each other and being provided with a mounting through hole, and the mounting through hole penetrating the first surface and the second surface. The calibration laser is accommodated in the mounting through hole and is configured to emit a laser beam toward a to-be-calibrated automobile.

Abstract: The present invention provides a calibration apparatus, system and method for an in-vehicle camera. The calibration apparatus for an in-vehicle camera includes: a body, where at least one distinctive mark arranged at intervals along a first direction and at least one heating member arranged at intervals along a second direction are disposed on the body. The distinctive mark is configured to be recognized by a common camera, and the heating member is configured to generate heat so as to be recognized by an infrared camera. According to the calibration apparatus, system and method for an in-vehicle camera provided in the present invention, during calibration, a common camera can recognize the distinctive mark, and therefore, the common camera can be calibrated; the heating member may generate heat so as to be recognized by an infrared camera, and therefore, the infrared camera is calibrated.

Abstract: The present invention relates to the fields of automobile maintenance and device calibration technologies and discloses an automobile calibration device. The automobile calibration device includes: a stand apparatus; a supporting assembly, mounted at the stand apparatus and movable in a vertical direction with respect to the stand apparatus; and a drive assembly, configured to drive the supporting assembly to move in the vertical direction with respect to the stand apparatus. In the foregoing manner, the supporting assembly can automatically ascend or descend and manual adjustment of the supporting assembly is avoided.

Abstract: The present application relates to the field of automobile maintenance and device calibration, and discloses an on-board radar calibration device. The on-board radar calibration device includes a bracket assembly, a beam assembly, a sliding member, and a calibration laser. The beam assembly is mounted on the bracket assembly, and is movable relative to the bracket assembly in a vertical direction. The sliding member is mounted on the beam assembly and is movable relative to the beam assembly in a horizontal direction, the sliding member including a first surface and a second surface opposite to each other and being provided with a mounting through hole, and the mounting through hole penetrating the first surface and the second surface. The calibration laser is accommodated in the mounting through hole and is configured to emit a laser beam toward a to-be-calibrated automobile.

Abstract: An electronic device includes a printed circuit board and a card holder. The card holder is configured to hold a function card, and the printed circuit board is provided with a groove. The card holder is disposed in the groove. A bottom surface of the groove is provided with n metal solder pads and n printed wires. The n metal solder pads are electrically connected to the n printed wires in a one-to-one correspondence. N terminals in a one-to-one correspondence to the n metal solder pads are disposed on the card holder. Each terminal is provided with a first contact and a second contact. The first contact is connected to and in contact with one of the n metal solder pads. The second contact is configured to connect to and be in contact with a metal contact of the function card placed in the card holder.

Abstract: A universal serial bus (USB) Type-C interface applied to an electronic device, where an antenna performance of the electronic device is improved by reducing metal in a structure of the USB Type-C interface, and strength of the electronic device is maintained at a specific level to ensure a service life of the USB Type-C interface.

Abstract: The present invention discloses a bracket apparatus. The bracket apparatus includes a pedestal, an upright rod and a sliding assembly. The pedestal supports the upright rod; the upright rod is disposed vertically with one end installed on the pedestal; and the sliding assembly includes a clamping member, an anti-skid member, a locking assembly and a holding member.

Abstract: The present invention relates to the fields of automobile maintenance and device calibration technologies and discloses an automobile calibration device. The automobile calibration device includes: a stand apparatus; a supporting assembly, mounted at the stand apparatus and movable in a vertical direction with respect to the stand apparatus; and a drive assembly, configured to drive the supporting assembly to move in the vertical direction with respect to the stand apparatus. In the foregoing manner, the supporting assembly can automatically ascend or descend and manual adjustment of the supporting assembly is avoided.

Abstract: The present invention relates to the technical field of automobile maintenance and device calibration, discloses an on-board radar calibration device, the on-board radar calibration device including a laser-corner reflecting apparatus. The laser-corner reflecting apparatus includes a laser and a corner reflector, the corner reflector being mounted to the laser. The laser is configured to emit a laser, so as to calibrate positions of the corner reflector and an on-board radar. The corner reflector is configured to reflect a radar wave emitted by the on-board radar, so that the radar wave returns along an original path, to calibrate an installation angle of the on-board radar. In the present invention, the corner reflector and the on-board radar may be calibrated using the laser, and then the on-board may be calibrated using the corner reflector, without the help of other calibration apparatuses, simplifying operations for calibrating the on-board radar.

Abstract: The present invention relates to the technical field of automobile maintenance and device calibration, and discloses a device for calibrating a vehicle mounted night-vision video recording apparatus, the device for calibrating the vehicle-mounted night-vision video recording apparatus including a holder assembly and a calibration member. The calibration member is mounted on the holder assembly, the calibration member may move relative to the holder assembly to adjust a height of the calibration member, and the calibration member includes a calibration rod, the calibration rod being disposed horizontally for calibrating the vehicle-mounted night-vision video recording apparatus. In the device for calibrating the vehicle-mounted night-vision video recording apparatus of the present invention, the height of the calibration member is adjustable, and the calibration member includes the horizontally disposed calibration rod.

Abstract: The present invention relates to the technical field of automobile maintenance and device calibration, and discloses a bracket apparatus, the bracket apparatus including a base, a vertical rod, and a sliding assembly. The base supports the vertical rod, the vertical rod being vertically disposed and one end thereof being mounted to the base; and the sliding assembly is movably mounted to the vertical rod and may slide along the vertical rod, and the sliding assembly is configured to carry a required calibration apparatus. In the bracket apparatus of the present invention, the sliding assembly may slide along the vertical rod, and a height of the calibration apparatus carried by the sliding assembly may be adjusted as required to meet different height requirements of different calibration apparatuses, so that the bracket apparatus may carry different calibration apparatuses for use.

Abstract: The present invention relates to a catalyst for aminating a polyether polyol and preparation method thereof and a method of preparing a polyetheramine using the catalyst. The catalyst has active components and a carrier. The active components are Ni, Cu, and Pd. The method of preparing the catalyst comprises the following steps: using a metal solution or a metal melt impregnated carrier, obtaining a catalyst precursor; and drying and calcinating the obtained catalyst precursor, so as to obtain a catalyst. By introducing the active component Pd in the catalyst, the present invention clearly improves selectivity of an amination catalyst with respect to a preaminated product, and increases raw material conversion rate.

Abstract: The present invention relates to the technical field of vehicle maintenance and device calibration, and discloses a vehicle-mounted radar calibration device and method. The vehicle-mounted radar calibration device includes a bracket apparatus and a radar calibration component. The radar calibration component is configured to be installed on the bracket apparatus and includes a base board. After calibration on the vertical plane of the base board is completed, the radar calibration component is configured to reflect a radar wave, emitted by a vehicle-mounted radar of a to-be-calibrated vehicle, to the vehicle-mounted radar, to calibrate the vehicle-mounted radar. In the present invention, after the vertical plane of the base board is calibrated, the radar calibration component is used to reflect the radar wave emitted by the vehicle-mounted radar to the vehicle-mounted radar.