Abstract: Provided is a lens module, including a lens barrel and a lens group. The lens barrel includes a first barrel wall and a second barrel wall. The lens group at least include a first lens and a second lens. The first barrel wall has an image-side surface, including a first planar surface horizontally extending from a joint between the first barrel wall and the second barrel wall towards an optical axis, a protruding portion connected to the first planar surface and protruding towards the first lens, and a second planar surface horizontally extending from the protruding portion towards the optical axis. The first lens has a first peripheral portion, including a third planar surface, a recess portion connected to the third planar surface and a fourth planar surface connected to the recess portion. The protruding portion is attached to the recess portion.

Abstract: The present disclosure provides a lens. The lens includes: an optical portion at a central position; and a bearing portion surrounding the optical portion. The bearing portion includes a first surface, a second surface opposite to the first surface, and a connection surface connecting the first surface with the second surface. The first surface is provided with a first arc surface and a first planar surface. An intersection line between the first arc surface and the first planar surface is a first feature circle for measuring an interfacial decenter. The second surface is provided with a second arc surface and a second planar surface. An intersection line between the second arc surface and the second planar surface is a second feature circle for measuring the interfacial decenter. A radius of the first feature circle is not equal to a radius of the second feature circle.

Abstract: The present disclosure relate to the field of optical imaging technologies, and provides a light shading plate and a lens module including the same. The light shading plate includes: a body for fixedly shading light; and a light shading arm for shading light. The body includes an object-side surface close to an object side, an image side surface opposite to the object-side surface, and an inner peripheral surface connecting the object-side surface with the image-side surface and being close to an optical axis. The light shading arm extends from the inner peripheral surface in a direction facing towards an optical axis. The light shading plate and the lens module including the light shading plate provided by the present disclosure can prevent stray light and light leakage, reduce production cost, and improve optical performance and stability of the lens module.

Abstract: The present disclosure relates to the field of optical image technologies, and provides a camera lens module. The camera lens module includes: a lens barrel including a first barrel wall extending in a horizontal direction and a second barrel wall bent and extending from the first barrel wall; a lens module including at least a first lens and a second lens, the first lens and the second lens being received in the lens barrel sequentially from an image side to an object side; and a light shading sheet provided in the lens barrel and sandwiched between the first lens and the second lens. The second lens includes an optical portion located at a central position and a peripheral portion surrounding the optical portion, and the light shading sheet is embedded in the peripheral portion and fixed to the peripheral portion.

Abstract: The present disclosure relate to the field of optical imaging technologies, and discloses a lens and a lens module including the same. The lens includes: an optical portion located at a central position; a bearing portion surrounding the optical portion; and a reinforcing portion embedded in the bearing portion and configured to reinforce the bearing portion. The reinforcing portion is annular. The bearing portion includes an object-side surface close to an object side and an image-side surface opposite to the object-side surface. The reinforcing portion is located between the object-side surface and the image-side surface in a direction parallel with an optical axis. The lens and the lens module including the lens provided by the present disclosure can enhance the ability to resist deformation of the lens, thereby improving the yield of the lens module.

Abstract: The present disclosure relates to the field of optical imaging technologies, and provides an optical lens and an optical camera lens. The optical lens includes an optical portion located at a central position; and a peripheral portion surrounding the optical portion and including an object-side surface facing towards an object side, an image-side surface facing towards an image side, and a side surface connecting the object-side surface with the image-side surface. The side surface includes a circumferential surface extending along a circumferential direction surrounding the optical portion, and a lens facet connected to the circumferential surface. The peripheral portion is provided with a bearing portion. The bearing portion is close to the circumferential surface and spaced apart from the circumferential surface. The present disclosure further provides an optical camera lens including the optical lens.

Abstract: The present disclosure provides a pressing ring. The pressing ring includes: an annular body forming a light through hole; and a shearing edge formed on the annular body. The body includes an inner side wall around an optical axis and forming the light through hole, an abutting wall extending from an edge of the inner side wall close to an object side in a direction facing away from the optical axis, and an outer side wall extending from an edge of the abutting wall facing away from the inner side wall along a direction of the optical axis and provided opposite to the inner side wall. The abutting wall includes an abutting surface surrounding the inner side wall and connected to the inner side wall, and a glue-dispensing groove surrounding the abutting surface and connected to the abutting surface; the shearing edge being located in the glue-dispensing groove.

Abstract: The present disclosure relates to the field of optical imaging technologies, and provides a lens and a lens module including the lens. The lens includes: an optical portion located at a central position; a bearing portion surrounding the optical portion; and a plurality of reinforcing portions embedded in the bearing portion for reinforcing rigidity of the bearing portion. The plurality of reinforcing portions is spaced apart from each other around an optical axis. The lens and the lens module including the same provided by the present disclosure can enhance the ability to resist deformation of the lens, and improve the assembly stability of the lens module, thereby improving the yield of the lens module.

Abstract: The present disclosure provides an optical lens and an optical camera lens. The optical lens includes: an optical portion at a central position; a peripheral portion surrounding the optical portion; and a bearing portion. The peripheral portion includes an object-side surface facing an object side, an image-side surface facing an image side, and a side surface around an optical axis connecting the object-side surface with the image-side surface. The side surface includes a gate portion and a distal end portion facing right towards the gate portion in a radial direction of the optical lens. The bearing portion extends from the image side surface towards the image side. On a plane perpendicular to the optical axis, an orthographic projection of the bearing portion is located between an orthographic projection of the gate portion and an orthographic projection of the distal end portion.

Abstract: The present disclosure provides a pressing ring and a lens module. The pressing ring includes an annular body; and first and second sheared edges formed on the annular body. The body includes an inner side wall around an optical axis and forming a light through hole, an object-side wall extending from an edge of the inner side wall in a direction facing away from optical axis, an image-side wall opposite to the object-side wall and extending from an edge of the inner side wall in a direction facing away from the optical axis, and an outer side wall extending from an edge of the object-side wall facing away from the inner side wall to the image-side wall. The object-side wall includes an abutting surface surrounding the inner side wall and connected to the inner side wall, and a glue-dispensing groove surrounding and connected to the abutting surface.

Abstract: An electronic device is disclosed. The electronic device may include an enclosure that includes a metal band and a wall. The electronic device may further include a filler compound positioned in an opening of the metal band, where a split between two sidewall components defines the opening. The filler compound provides an RF communication path through the enclosure. In order to reduce or prevent liquid ingress into the enclosure, the electronic device may include a sealing compound that infused into the opening between the filler compound and the sidewall components, thereby providing a seal. The infusion process including placing the metal band (with the filler compound) in a chamber, providing a vacuum to remove air between the metal band and the filler compound, and subsequently providing a positive pressure to force the sealing compound between the metal band and the filler compound. The sealing compound may include an adhesive.

Abstract: A method of homologous recombination, including in vitro joining two or more target nucleic acid molecules with a first exonuclease, and recombining the two or more target nucleic acid molecules in the presence of a second exonuclease and an annealing protein. The recombined target nucleic acid molecules share at least one homologous sequence.

Abstract: A domain name resolution method includes: obtaining a domain name resolution request packet; caching the obtained domain name resolution request packet to a first cache area; modifying, in the first cache area, header data included in the cached domain name resolution request packet, to obtain header data of a domain name resolution reply packet corresponding to the cached domain name resolution request packet; extracting a requested record type and a domain name to be resolved in the cached domain name resolution request packet; searching a second cache area for pre-cached reply data that corresponds to the extracted domain name and that belongs to the extracted record type; and combining the pre-cached reply data with the domain name resolution request packet obtained through modification, to obtain a domain name resolution reply packet.

Abstract: The present disclosure relates to a system and method for pulse driving. The system is configured to drive a multi-level converter, including: a main control module generating encoding information which contains driving information according to sampling information; a local control module electrically coupled to the multi-level converter to output control signals to the multi-level converter so as to control on and off of the at least M power switches in the multi-level converter; a first optical fiber coupled to the main control module and the local control module, wherein the local control module receives the encoding information output from the main control module via the first optical fiber and generates the control signals according to the encoding information.

Abstract: The present disclosure discloses a method of discharging a bus capacitor in a power converter, the method comprising: outputting a plurality of pulse control signals to the corresponding plurality of power semiconductor switch groups when the working state of the power converter is in a discharge state and the state of the main circuit breaker is open to control the ON and OFF of the plurality of power semiconductor switch groups, respectively, so as to form a discharge loop between the positive terminal and the negative terminal of the bus capacitor within at least a preset time, thereby causing the bus capacitor to discharge. Since a discharge loop is formed by the bus capacitor and the bridge arms and the energy of the bus capacitor is consumed by a power device, thereby the peak value and discharge rate of discharge current can be effectively controlled without adding additional discharge elements.

Abstract: The invention belongs to the technical field of inorganic compounds, and particularly, relates to a method for directly preparing graphene by taking CBr4 as a source material and using methods such as molecular-beam epitaxy (MBE) or chemical vapor deposition (CVD). A method for preparing graphene comprises the following steps: selecting a proper material as a substrate; directly depositing a catalyst and CBr4 on a surface of the substrate; and performing annealing treatment on the sample obtained through deposition. Compared with other technologies, an innovative point of the method in the invention is that the catalyst and CBr4 source can be quantitatively and controllably deposited on any substrate, and the catalyst and CBr4 source react on the surface of the substrate to form the graphene, so that the dependence of the graphene growth on a substrate material can be reduced to a great extent, and different substrate materials can be selected according to different application backgrounds.

Abstract: Embodiments of the present invention provide a method and an apparatus for obtaining neighboring cell information. The method includes: receiving identifier information of a neighboring cell sent by a base station; when finding a first CGI, determining whether the first CGI is the same as the CGI comprised in the identifier information of the neighboring cell; when the first CGI is the same as the CGI comprised in the identifier information of the neighboring cell, determining the CGI comprised in the identifier information of the neighboring cell as a CGI of the neighboring cell; and sending, to the base station, information used for indicating the CGI of the neighboring cell. The method and apparatus for obtaining neighboring cell information according to the embodiments of the present invention may better implement an ANR function.

Abstract: The present disclosure relates to a system and method for pulse driving. The system is configured to drive a multi-level converter, including: a main control module generating encoding information which contains driving information according to sampling information; a local control module electrically coupled to the multi-level converter to output control signals to the multi-level converter so as to control on and off of the at least M power switches in the multi-level converter; a first optical fiber coupled to the main control module and the local control module, wherein the local control module receives the encoding information output from the main control module via the first optical fiber and generates the control signals according to the encoding information.

Abstract: Disclosed is a drum type laundry machine, including a casing, a control panel, an outer drum, an inner drum, a water inlet system, a water drainage system, a driving system, washing balls, a storage chamber disposed on the bottom of the outer drum, a circulation piping system connecting the storage chamber with the inner drum, and an outlet of the circulation pipe system leading to the inner drum and provided on an annular opening of the inner drum. The washing procedure of the laundry process described herein also includes a washing step while the washing balls circulate in the inner and outer drum, and a collecting step of the washing balls. The drum type laundry machine of the present invention can save water and electricity and can reduce pollution.

Abstract: Embodiments of the present invention provide a method and an apparatus for obtaining information of a neighboring cell. The method includes: obtaining a Cell Global Identifier CGI of a neighboring cell of a base station; and obtaining, according to the CGI of the neighboring cell and a correspondence between all or part of information in the CGI and a public land mobile network PLMN information set, a PLMN information set corresponding to the neighboring cell. With the method and the apparatus for obtaining information of a neighboring cell according to the embodiments of the present invention, a base station can implement an ANR function well.