Abstract: A cloud-edge collaboration method is provided, a data transmission apparatus, a cloud platform, an edge device, a cloud-edge collaboration system, an electric device, and a computer readable medium. The cloud-edge collaboration method includes: receiving first information sent by an edge device, the first information at least comprising image feature information of an image to be recognized; determining whether a local feature library comprises reference feature information matching the image feature information; if the local feature library includes reference feature information matching the image feature information, generating a first determination result, and sending the first determination result to the edge device.

Abstract: A lithium-ion battery electrode includes a current collector and n electrode plate layers laminated on the current collector, n being an integer greater than or equal to 2. The electrode plate layer contains a pore-forming agent. A content of the pore-forming agent in the electrode plate layers gradually increases along a direction gradually away from the current collector. The pore-forming agent is selected from an electrolyte solution additive which is solid at normal temperature.

Abstract: The present utility model discloses a foldable breathable mat, comprising an inner core sheathed with an outer cover outside. Several folding marks are arranged on the outer cover, and a zipper is provided on the outer cover. According to the present utility model, several breathable holes are formed on the surface of a mesh cloth cover, an inner mat is made of air fiber, and a visible whole body is highly breathable, thereby solving the safety risk of possible suffocation. The three-fold and two-fold design is conducive to storage and portability. The mesh cloth cover may achieve quick drying and faster drying speed, and the air fiber mat may also be washed all over the body to prolong the service lifetime and reduce the storage conditions.

Abstract: Disclosed is an open earphone, comprising a sound production component and an ear hook. The ear hook may include a first portion and a second portion connected in sequence. The first portion may be hung between the auricle of a user and the head of the user, the second portion may extend toward a front outer side of the auricle and connect the sound production component, and the sound production component may be located close to the ear canal but not block the opening of the ear canal; wherein the sound production component and the auricle may have a first projection and a second projection on a sagittal plane, respectively, a centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction, a ratio of the first distance to a height of the second projection in the vertical axis direction may be within a range of 0.25-0.

Abstract: A communication method comprises that if a policy control device does not support setup of an Internet Protocol (IP) multimedia subsystem (IMS) default bearer during setup of an IMS default bearer for a terminal, the control plane gateway sends second indication information to a user plane gateway, where the second indication information indicates the control plane gateway bypasses the policy control device. When the user plane gateway receives an IMS session request from the terminal and determines that the control plane gateway bypasses the policy control device, the user plane gateway sends first indication information to the control plane gateway, and the first indication information indicates the control plane gateway to send, to the policy control device, a first request to request to establish a mapping relationship between the terminal and the control plane gateway such that an IMS session can be set up between terminals.

Abstract: An earphone, including a sound production component; an ear-hook configured to place the sound production component near an ear canal without blocking an opening of the ear canal, at least a portion of the sound production component extends into a concha cavity; and a microphone assembly including a first microphone and a second microphone disposed in the sound production component or the ear hook, the sound production component or the ear hook includes a first sound hole and a second sound hole corresponding to the first microphone and the second microphone, respectively; wherein a projection of the first sound hole on a sagittal plane and a projection of the second sound hole on the sagittal plane have a first distance, a ratio of the first distance to a size of a projection of the sound production component on the sagittal plane along a major axis direction is 0.7-1.2.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, information indicating a beam switching pattern that indicates beams that are to be used by the UE on a per communication basis in a time domain. The UE may communicate with the base station based at least in part on receiving the information indicating the beam switching pattern. Numerous other aspects are provided.

Abstract: Embodiments of the present disclosure relate to cyclooctatetraene containing dyes and their uses as fluorescent labels. Also provided are composition containing cyclooctatetraene. The dyes and compositions may be used in various biological applications, such as nucleic acid sequencing.

Abstract: The earphone includes a sound generation component including a transducer; at least a portion of the sound generation component extending into a concha cavity of a user; and an ear hook including a first portion and a second portion, the second portion being connected to the first portion, and being connected to the sound generation component to place the sound generation component at a position near an ear canal without blocking an opening of the ear canal. The sound generation component has a first projection on a sagittal plane, and the auricle has a second projection on the sagittal plane. A centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction. A ratio of the first distance to a height of the second projection in the vertical axis direction may be in a range of 0.35-0.6.

Abstract: One or more embodiments of the present disclosure provide a speaker. The speaker may include a diaphragm, a magnetic circuit component, a coil connected to the diaphragm, a bracket arranged around the magnetic circuit component, and a housing. At least part of the coil may be arranged in a magnetic gap formed by the magnetic circuit component, and the coil may drive the diaphragm to vibrate to generate sound after the coil is energized. The diaphragm may include a main-body region and a folded-ring region surround the main-body region. The bracket may be connected to a portion of the folded ring region away from the main-body region, and a plurality of air holes may be provided on the bracket. A pressure relief hole may be provided on the housing. Sound from a back surface of the diaphragm may be transmitted to the pressure relief hole through the plurality of air holes, and the plurality of air holes may at least include a first air hole and a second air hole.

Abstract: The present disclosure provides an earphone comprising a sound production component and an ear hook. In a wearing state, the ear hook is configured to place the sound production component at a position near an ear canal but not blocking the ear canal. An inner contour of the ear hook's projection on a user's sagittal plane includes a first curve having an extremum point in a first direction. The first direction is perpendicular to a long-axis direction of a projection of the sound production component on the sagittal plane. The extremum point is located behind a projection point of an upper vertex of the ear hook on the sagittal plane, and the upper vertex is a highest point of an inner contour of the ear hook along the user's vertical axis. An inclination angle of the long-axis direction relative to a horizontal direction is within a range of 13°-21°.

Abstract: The present disclosure provides an open earphone comprising: a sound production component including a transducer and a housing accommodating the transducer and an ear hook. In a wearing state, a portion of the ear hook is hung between an auricle and a user's head, and the other portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal. The housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by the transducer out of the housing and to the ear canal, and a ratio of an area of the sound outlet to an area of the inner side surface is between 0.015 and 0.25.

Abstract: A speaker includes a diaphragm, a magnetic circuit component, a coil, and a bracket arranged around the magnetic circuit component. At least part of the coil is arranged in a magnetic gap formed by the magnetic circuit component. The coil drives the diaphragm to vibrate to generate sound after the coil is energized. The diaphragm includes a main-body region and a folded-ring region surround the main-body region. A first part of the bracket is connected to the folded ring region. A thickness of the first part of the bracket is within a range of 0.3 mm-3 mm. The thickness of the first part is a minimum distance between a connection region and an attaching region. The connection region is a region where the bracket and the folded-ring region connect. The attaching region is a region where the bracket directly attaches to the magnetic circuit component in a vibration direction of the diaphragm.

Abstract: An earphone, including a sound production component; an ear-hook configured to place the sound production component near an ear canal without blocking an opening of the ear canal, at least a portion of the sound production component extends into a concha cavity; and a microphone assembly including a first microphone and a second microphone disposed in the sound production component or the ear hook, the sound production component or the ear hook includes a first sound hole and a second sound hole corresponding to the first microphone and the second microphone, respectively; wherein a projection of the first sound hole on a sagittal plane and a projection of the second sound hole on the sagittal plane have a first distance, a ratio of the first distance to a size of a projection of the sound production component on the sagittal plane along a major axis direction is 0.7-1.2.

Abstract: Disclosed is an open earphone, comprising a sound production component and an ear hook. The ear hook may include a first portion and a second portion connected in sequence. The first portion may be hung between the auricle of a user and the head of the user, the second portion may extend toward a front outer side of the auricle and connect the sound production component, and the sound production component may be located close to the ear canal but not block the opening of the ear canal; wherein the sound production component and the auricle may have a first projection and a second projection on a sagittal plane, respectively, a centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction, a ratio of the first distance to a height of the second projection in the vertical axis direction may be within a range of 0.25-0.

Abstract: Embodiments of the present disclosure provide a speaker. The speaker may include a diaphragm; a magnetic circuit component; and a coil connected to the diaphragm, at least part of the coil being arranged in a magnetic gap formed by the magnetic circuit component, and the coil driving the diaphragm to vibrate to generate sound after the coil being energized. The diaphragm may include a main-body region and a folded-ring region surrounding the main-body region, the main-body region may include a first inclined section and a first connecting section connected to the coil, the first inclined section may be attached to a portion of the folded-ring region, and the first inclined section may be tilted in a direction away from the coil with respect to the first connecting section.

Abstract: An earphone comprises a sound production component and an ear hook including a first portion and a second portion connected in sequence. The first portion is hung between an auricle of a user and a head of the user, and the second portion extends toward a front outer side of the auricle and connects to the sound production component, so that the sound production component is worn at a position near an ear canal but does not block an opening of the ear canal. The sound production component and the auricle have a first projection and a second projection on a sagittal plane, respectively. A first distance between a centroid of the first projection and a highest point of the second projection in a vertical axis direction is within a range of 17 mm-43 mm, and an area of the first projection is within a range of 202 mm2-560 mm2.

Abstract: An earphone, including a sound production component; an ear-hook configured to place the sound production component near an ear canal without blocking an opening of the ear canal, at least a portion of the sound production component extends into a concha cavity; and a microphone assembly including a first microphone and a second microphone disposed in the sound production component or the ear hook, the sound production component or the ear hook includes a first sound hole and a second sound hole corresponding to the first microphone and the second microphone, respectively; wherein a projection of the first sound hole on a sagittal plane and a projection of the second sound hole on the sagittal plane have a first distance, a ratio of the first distance to a size of a projection of the sound production component on the sagittal plane along a major axis direction is 0.7-1.2.

Abstract: Embodiments of the present disclosure provide a sound production component including a diaphragm, a magnetic circuit assembly, a coil, and a housing. The coil is connected to the diaphragm and is at least partially disposed in a magnetic gap formed by the magnetic circuit assembly, and the coil drives the diaphragm to vibrate to produce a sound after being energized. A sound outlet is provided on an inner side surface of the housing for directing a sound generated at a front side of the diaphragm out of the housing. The diaphragm comprises a main body region and a folded ring region surrounding the main body region, the folded ring region comprising an arc-shaped segment and a connection segment connected to the main body region. A projection of a center of the sound outlet along a vibration direction on the diaphragm is on an inner side of the arc-shaped segment.

Abstract: The present disclosure provides an earphone comprising a sound production component and a suspension structure. The sound production component includes a diaphragm and a housing. In a wearing state, the suspension structure is used to place the sound production component at a position near but not blocking an ear canal, wherein an inner side surface of the housing facing an auricle is provided with a sound outlet, at least another side surface of the housing is provided with a first pressure relief hole, and a distance between a center of the sound outlet and a midpoint of an upper boundary of the inner side surface is greater than a distance between a center of the first pressure relief hole and the midpoint of the upper boundary of the inner side surface.