Abstract: A service board includes a flexible board, at least one chip, and at least one optical cage layer. Each optical cage layer includes a plurality of optical cages. Each optical cage has an opening that faces a panel side and that is configured to connect to an optical module. The optical cage includes a housing and a plurality of signal pins. One end of the flexible board is electrically connected to tail ends of the plurality of signal pins, and another end of the flexible board is electrically connected to one chip, thereby shortening a connection path between the optical module and the chip, and reducing a link loss. Therefore, integration of the service board is improved, assembly is convenient, and a high-density connection and a simplified design of the service board are implemented, so that the service board is applicable to a high-density and high-speed transmission scenario.

Abstract: A semiconductor device and a method for fabricating it are disclosed. In the method, second and first substrates are bonded to obtain increased operating efficiency. Moreover, a heat dissipation unit, which includes a heat-dissipating semiconductor layer and a first heat-dissipating metal channel extending through the heat-dissipating semiconductor layer and dielectric layers on a surface thereof, is bonded to a surface of the first substrate to accelerate dissipation of heat generated during operation of the second and first substrates, imparting improved heat dissipation capacities to the semiconductor device.

Abstract: A negative pressure suction sheath includes a sheath, a negative pressure joint, and a dilator; the negative pressure joint includes a main channel cavity and a negative pressure suction channel cavity located at one side of the main channel cavity, a proximal end of the sheath is connected to a distal end of the main channel cavity, the dilator is inserted from a proximal end of the main channel cavity and extends out of a distal end of the sheath, and is detachably connected to the main channel cavity; the main channel cavity is provided with a side channel port, the negative pressure suction channel cavity is communicated with the side channel port; a cavity wall of the main channel cavity is provided with a pressure regulating port. Therefore, an operator only needs to adjust the size of the pressure regulating port to adjust the negative pressure.

Abstract: A controllable bending mechanism of an endoscope includes a hollow tube, wherein a plurality of groups of gap sets are disposed on the hollow tube; the plurality of groups of gap sets extend along an axial direction of the hollow tube; each group of gap sets includes a first gap portion and a second gap portion, wherein the first gap portion is distributed in a first circumferential direction of the hollow tube; the second gap portion is distributed in a second circumferential direction of the hollow tube; the first gap portion includes two gaps; the length of each gap is equivalent to 1/2 of that of the circumference; the second gap portion includes two gaps; the length of each gap is equivalent to 1/2 of that of the circumference.

Abstract: A mesh basket device capable of measuring the size of stones includes: a mesh basket, a push rod, a mode switching device, an opening size adjustment device, and an adjusting amount measuring device. The push rod is configured to drive the mesh basket to move. The mode switching device is used to switch between a measurement mode and a stone extraction mode. In the stone extraction mode, the opening size of the mesh basket remains unchanged during the movement of the mesh basket. The opening size adjustment device is connected to the mesh basket. In the measurement mode, the opening size adjustment device is configured to adjust the opening size of the mesh basket during the movement. The adjusting amount measuring device is configured to measure the adjusting amount of the opening size adjustment device, which is in a corresponding relationship with the opening size of the mesh basket.

Abstract: The described aspects and implementations enable efficient detection and classification of objects with machine learning models that deploy a bird's-eye view representation and are trained using depth ground truth data. In one implementation, disclosed are system and techniques that include obtaining images, generating, using a first neural network (NN), feature vectors (FVs) and depth distributions pixels of images, wherein the first NN is trained using training images and a depth ground truth data for the training images. The techniques further include obtaining a feature tensor (FT) in view of the FVs and the depth distributions, and processing the obtained FTs, using a second NN, to identify one or more objects depicted in the images.

Abstract: A method includes obtaining, by a processing device, input data derived from a set of sensors associated with an autonomous vehicle (AV). The input data includes camera data and radar data. The method further includes extracting, by the processing device from the input data, a plurality of sets of bird's-eye view (BEV) features. Each set of BEV features corresponds to a respective timestep. The method further includes generating, by the processing device from the plurality of sets of BEV features, an object flow for at least one object. Generating the object flow includes performing at least one of: multi-frame temporal aggregation or multi-frame dense motion estimation. The method further includes causing, by the processing device, a driving path of the AV to be modified in view of the object flow.

Abstract: A flexible endoscope includes a disposable endoscope body structure and a reusable camera assembly. The endoscope body structure includes a handle portion, a flexible inserting portion, and a line connecting portion. The flexible inserting portion is directly or indirectly connected to the handle portion. The line connecting portion includes a receptacle located in the handle portion and an external connecting portion located outside the handle portion. The receptacle is directly or indirectly connected with the external connecting portion. The handle portion is provided with a camera assembly access port for the camera assembly to access. After accessing and being assembled to the camera assembly access port, the camera assembly access port is able to insert into the receptacle to transmit electrical energy and/or a signal with the external connecting portion with the receptacle.

Abstract: The present invention provides a rigid endoscope including a disposable endoscope body structure and a reusable camera assembly. The endoscope body structure includes a handle portion, an endoscope body inserting portion and a line connecting portion, wherein the endoscope body inserting portion is directly or indirectly connected to the handle portion, the line connecting portion includes a receptacle located in the handle portion and an external connecting portion located outside the handle portion, and the receptacle is directly or indirectly connected with the external connecting portion; the handle portion is provided with a camera assembly access port for the camera assembly to access; after accessing and being assembled to the camera assembly access port, the camera assembly access port is able to be inserted into the receptacle to transmit electrical energy and/or a signal with the external connecting portion by using the receptacle.

Abstract: In examples, a method for manufacturing a package comprises coupling first and second semiconductor dies to a first surface of a conductive terminal; applying a dry film to a second surface of the conductive terminal opposite the first surface; removing a portion of the dry film contacting the second surface to form a dry film opening, the dry film opening having a linear, non-curved edge extending along a width of the conductive terminal; etching the second surface through the dry film opening; removing the dry film; plating the second surface; and sawing through the conductive terminal to form the package.

Abstract: The described aspects and implementations enable efficient detection and classification of objects with machine learning models that deploy a bird's-eye view representation and are trained using depth ground truth data. In one implementation, disclosed are system and techniques that include obtaining images, generating, using a first neural network (NN), feature vectors (FVs) and depth distributions pixels of images, wherein the first NN is trained using training images and a depth ground truth data for the training images. The techniques further include obtaining a feature tensor (FT) in view of the FVs and the depth distributions, and processing the obtained FTs, using a second NN, to identify one or more objects depicted in the images.

Abstract: A method includes obtaining, by a processing device, input data derived from a set of sensors of an autonomous vehicle (AV), generating, by the processing device using a set of lane detection classifier heads, at least one heatmap based on a fused bird's eye view (BEV) feature generated from the input data, obtaining, by the processing device, a set of polylines using the at least one heatmap, wherein each polyline of the set of polylines corresponds to a respective track of a first set of tracks for a first frame, and generating, by the processing device, a second set of tracks for a second frame after the first frame by using a statistical filter based on a set of extrapolated tracks for the second frame and a set of track measurements for the second frame, wherein each track measurement of the set of track measurements corresponds to a respective updated polyline obtained for the second frame.

Abstract: A train control method includes: acquiring a current control level of the train and outputting the current control level to a train traction control system; acquiring current train operation data and calculating an evaluation score according to the current train operation data by the train traction control system; and inputting the current train operation data and the evaluation score into a neural network learning system to adjust the current control level of the train to obtain a final outputted control level.

Abstract: A semiconductor package includes a semiconductor component and a plurality of leads electrically connected to the semiconductor component. Each of the leads has a first surface, and has a second surface opposite from the first surface, with a solderable metal on the first surface and the second surface. The solderable metal has a first average thickness on the first surfaces, and has a second average thickness on the second surfaces. The second average thickness is 10 percent to 80 percent of the first average thickness. The semiconductor package is formed by concurrently electroplating the solderable metal on the first surfaces and on the second surfaces. The solderable metal is electroplated on the first surfaces with a first average current, and is electroplated on the second surfaces with a second average current. The second average current is 10 percent to 80 percent of the first average current.

Abstract: A speech control method includes: receiving a target voice instruction; performing semantic parsing on the target voice instruction, and acquiring a semantic parsing result; and in response to that the semantic parsing result matches a keyword, responding to the target voice instruction by using an application corresponding to the keyword; or in response to that the semantic parsing result does not match a keyword, determining a target service type based on the semantic parsing result, and acquiring an application list corresponding to the target service type; determining a recommended application from the application list by using a first recommendation policy; and responding to the target voice instruction by using the recommended application.

Abstract: A rigid endoscope device comprises a disposable endoscope body structure (2), a disposable antibacterial line mechanism (3) and a reusable camera mechanism (1). A light source (5) is provided near the front end of the endoscope body structure (2). The endoscope body structure (2) is integrated with or separated from the antibacterial line mechanism (3). The camera mechanism (1) can be linearly inserted into the endoscope body structure (2) from the rear end of the endoscope body structure (2). The antibacterial line mechanism (3) can be linearly connected to the rear end of the endoscope body structure (2) and seals at the rear end of the endoscope body structure (2), such that the camera mechanism (1) inside the endoscope body structure (2) is isolated from the outside. In the rigid endoscope device, a reusable camera mechanism (1) is isolated from the external environment and is not in contact with people, thereby effectively ensuring a sterile state thereof.

Abstract: A sheath includes: a ring-shaped inner layer structure, a ring-shaped outer layer structure and a frame structure, which can be radially expanded with the inflation of a balloon inside the inner layer structure. When the inner layer structure, the frame structure and the outer layer structure are not radially expanded, a radial dimension of an inner channel of the inner layer structure is at a first radial dimension, and the first radial dimension is greater than or equal to a radial dimension of the balloon that is not inflated. After the inner layer structure, the frame structure, and the outer layer structure are radially expanded, and the balloon is removed or deflated, the radial dimension of the inner channel of the inner layer structure is at a second radial dimension, and the second radial dimension is greater than the first radial dimension.

Abstract: A detection package structure-includes an exterior tube; a detection assembly, a flexible printed circuit (FPC), a module base, and lighting members which are all disposed inside the exterior tube. The FPC includes a main flexible plate and minor flexible plates. The invention uses detection conductive materials and detection wiring parts to implement electric conduction-directed soldering, whereby to prevent from direct soldering of cables and detection assembly and enlarge soldering spots.

Abstract: The present application discloses a display panel. The display panel includes a substrate, an inorganic insulating layer disposed on a side of the substrate, a first metal layer disposed on a side of the inorganic insulating layer away from the substrate, a first organic insulating layer disposed on a side of the first metal layer away from the substrate, and a second metal layer disposed on the side of the first organic insulating layer away from the substrate. The first metal layer includes a first metal trace having a first trace portion. A first groove is provided on a side of the first organic insulating layer away from the substrate. The second metal layer includes a first electrode. The first electrode covers the first groove, and a minimum distance between the first electrode and the first trace portion is greater than or equal to 1.2 ?m.

Abstract: The present invention provides a detection packaging structure and an in-vivo detection apparatus that are based on a flexible tube. A detection circuit board and a main circuit board that are perpendicular to each other are used, a first conducting material is disposed on a first side surface of the detection circuit board, a second conducting material capable of being conducted to the first conducting material is disposed on a second side surface, and when a detection component is connected to the first side surface of the detection circuit board, a wiring terminal of the detection component is capable of being welded to the first conducting material. In this way, based on the present invention, difficulty of welding operations is reduced, welding strength and reliability are enhanced, and welding stability in a plurality of motion statuses is satisfied.