Abstract: A camera module includes a circuit board, a photosensitive chip, a filter, a lens base, and a lens. The photosensitive chip is mounted on the circuit board. The lens base is mounted on the circuit board and receives the photosensitive chip therein. The filter is mounted in the lens base and positioned above the photosensitive chip. The lens is mounted in the lens base and positioned above the photosensitive chip. A dust-absorbing film is arranged in the lens base and located above the filter. An electronic device having the camera module is also provided.

Abstract: A circuit board includes a circuit substrate, a first solder mask, and a plurality of heat dissipation fins. The circuit substrate includes a first surface. The first solder mask is arranged on the first surface. The plurality of heat dissipation fins are arranged on a surface of the first solder mask facing away from the first surface. A heat dissipation channel is formed between any two adjacent of the plurality of heat dissipation fins. A camera assembly having the circuit board and an electronic device having the circuit board are also provided.

Abstract: The present disclosure discloses a lighting lamp including a casing, a heat dissipating plate, heat dissipating fins, a light source plate, a power supply and a light transmitting member. The heat dissipating plate is spaced from the casing to form an annular passage. The heat dissipating fins are spaced along a circumference of a back side of the heat dissipating plate. A portion of each heat dissipating fin is located within the annular passage. The light source plate and the light transmitting member are located on a front side of the heat dissipating plate in sequence. The power supply is located above the back side of the heat dissipating plate. Heat generated by the light source plate and the power supply is conducted to the annular passage and is then carried away by air flow in the annular passage. The lighting lamp has high structural strength and high heat dissipation efficiency.

Abstract: A control mechanism of a core drilling rig includes a central rod (14) and an outer barrel (23). The central rod (14) passes through, from the rear to the front, the inner cavities of a fluid channel activation module, an outer barrel unlocking module, a flow diverging module, and a coring barrel connecting module. The coring barrel connecting module comprises a core tube connecting pipe (62), a core ring bearing (63), a bearing inner ring (64), a ball A (6211) and a ball B (6411). The core tube connecting pipe (62) is connected at the front side thereof to the coring barrel (65). The bearing inner ring (64) is inside the core tube connecting pipe (62). The core ring bearing (63) is connected to an inner wall of the outer barrel (23).

Abstract: Disclosed herein is an apparatus suitable for detecting x-ray, comprising: an X-ray absorption layer configured to generate an electrical signal from an X-ray photon incident on the X-ray absorption layer; an electronics layer comprising an electronics system configured to process or interpret the electrical signal; and an interposer chip embedded in a board of an electrically insulating material; wherein the X-ray absorption layer is bonded to the electronics layer; wherein the electronics layer is bonded to the interposer chip.

Abstract: A Raman detection system has a Raman spectrometer and a fixing light shielding stand. One end of the fixing light shielding stand is fixedly connected to the Raman spectrometer, and the other end is disposed with an entrance groove for a needle-like SERS probe to enter. A slot for fixing the needle-like SERS probe is formed at an end of the entrance groove, and the slot and the needle-like SERS probe match in shape and size. The Raman detection system has a fixing light shielding device with a dark color groove and a focal length. The groove can be used for limiting the rolling of the curved surface structure of the needle-like SERS probe. A laser can be focused on the curved surface more accurately by adjusting the distance from the instrument detector to the SERS probe.

Abstract: A method for predicting a life includes the following. Obtain multiple cycle numbers of a battery and multiple capacity data corresponding to the cycle numbers. Obtain multiple sets of first fitting data by fitting the cycle numbers and the capacity data with a bi-exponential empirical model. Obtain multiple sets of second fitting data by fitting the cycle numbers and the capacity data with a box-cox transformation method. Determine a first capacity error according to the multiple sets of first fitting data and the multiple capacity data. Determine a second capacity error according to the multiple sets of second fitting data and the capacity data. Generate a battery-life prediction model according to the first capacity error, the second capacity error, the multiple sets of first fitting data, and the multiple sets of second fitting data. Determine an RUL of the battery according to a predetermined battery-capacity-value and the battery-life prediction model.

Abstract: A coring drill tool driving structure has a driving motor (7), an outer cylinder (23) and a coring drill tool (8). The driving motor comprises an outer rotor (73) and an inner stator (75), the inner wall of the outer rotor and the outer wall of the inner stator are provided with ribs (77) mutually matched, the outer rotor and inner stator are in clearance fit, the clearance between the outer rotor and the inner stator is a driving liquid flow path (74), the outer rotor length is smaller than the inner stator length, the outer rotor is located between front and rear ends of the inner stator, the outer rotor is connected to the outer cylinder, a front end of the outer cylinder is connected to the coring drill tool, and a rear end of the inner stator is connected to a coupling (76).

Abstract: Disclosed in the embodiments of the present disclosure are a method for planning three-dimensional scanning viewpoint, a device for planning three-dimensional scanning viewpoint and a computer readable storage medium. After a low-precision digitalized model of an object to be scanned is acquired, viewpoint planning calculation is performed, on the basis of a viewpoint planning algorithm, on point cloud data in the low-precision digitalized model, and then the positions and line-of-sight directions of a plurality of viewpoints in space are calculated when a three-dimensional sensor needs to perform three-dimensional scanning on said object. Calculating viewpoints of a three-dimensional sensor by means of a viewpoint planning algorithm can effectively improve the accuracy and scientific nature of sensor posture determination, greatly improving the efficiency of viewpoint planning, and reducing the time consumed in the whole three-dimensional measurement process.

Abstract: A fingerprint detection apparatus and an electronic device are provided. The fingerprint detection apparatus is applied under a display screen to implement under-screen optical fingerprint identification, including: a fingerprint sensor; the fingerprint sensor includes: N groups of sub-pixels, where N is a positive integer greater than 1; and different groups of sub-pixels in the N groups of sub-pixels respectively receive light signals with different characteristics in light signals returned by reflection or scattering via a finger, and light signals received by each group of sub-pixels in the N groups of sub-pixels are used to form one pixel in a fingerprint image of the finger.

Abstract: This application provides an image processing method performed by an electronic device. The method includes: acquiring a diffuse reflection map and a shadow map of a three-dimensional (3D) model of an object, wherein the 3D model is constructed from a plurality of photos of the object within a predefined lighting environment; acquiring a shadow texel in a shadow region of the diffuse reflection map according to a corresponding shadow region in the shadow map; querying an average color lookup table according to spatial coordinate information of the shadow texel for an average brightness difference corresponding to the shadow texel; and determining restoration color information according to the average brightness difference, and restoring color information of the shadow texel according to the restoration color information. In this way, shadow in the diffuse reflection map of the 3D model can be effectively removed or at least attenuated.

Abstract: A lens protection structure includes a base, a polyester film, a first silica gel, a second silica gel, and a protective cover. Each of the base, the polyester film, the first silica gel, and the second silica gel defines a through hole for cooperatively receiving a lens. The polyester film is coupled to a surface of the base, and the first silica gel is coupled to a surface of the base opposite the polyester film. The second silica gel is coupled to the polyester film. The protective cover is coupled to the second silica gel and seals a receiving cavity within the base. At least one air escape channel is defined in the base. The at least one air escape channel communicates the receiving cavity of the base to an exterior of the lens protection structure.

Abstract: A storage case and charging device for a VR equipment includes a lower housing having an accommodation groove for accommodating the VR equipment; an upper housing covering the accommodation groove and detachably connected with the lower housing; and a first charging plug being disposed in the accommodation groove. The first charging plug is configured for inserting into and electrically connecting to a first charging port of the VR equipment for charging the VR equipment.

Abstract: A lens assembly includes a first lens, a second lens, and a third lens. The first lens is with negative refractive power and includes a concave surface facing an image side. The second lens is with positive refractive power and includes a convex surface facing the image side. The third lens is with positive refractive power and includes a convex surface facing an object side. The first lens, the second lens, and the third lens are arranged in order from the object side to the image side along an optical axis. The lens assembly satisfies the following condition: 3.5?R21/?8; wherein R21 is a radius of curvature of an object side surface of the second lens and f is an effective focal length of the lens assembly.