Abstract: The various implementations described herein include methods and systems for providing input capabilities at various fidelity levels. In one aspect, a method includes receiving, from an application, a request identifying an input capability for making an input operation available within the application. The method further includes, in response to receiving the request: identifying techniques that the artificial-reality system can use to make the requested input capability available to the application using data from one or more devices; selecting a first technique for making the requested input capability available to the application; and using the first technique to provide to the application data to allow for performance of the requested input capability.

Abstract: Disclosed herein is a method for fabricating a nanowire array on an uneven or curved surface. A pliable, porous scaffold is used to hold a liquid electrolyte, creating s semi-solid electrolyte that is used to transfer pressure to a template disposed on the target surface to cause the template to conform to and bond with the target surface to substantially eliminate the gap therebetween, such that a robust and controllable growth of the nanowire array can be realized.

Abstract: Methods of interpreting navigating user interfaces on multiple devices based on spatial orientations of a user's hand are provided. The method includes receiving, from one or more sensors of a wrist-wearable device, data associated with performance of an in-air hand gesture by a hand of a wearer of the wrist-wearable device. The method further includes in accordance with a determination that the data indicates that the hand of the wearer is in a first orientation when the in-air hand gesture was performed, causing performance of a first operation at the wrist-wearable device. The method further includes in accordance with a determination that the data indicates that the hand of the wearer is in a second orientation when the in-air hand gesture was performed, causing performance of a second operation at a head-wearable device.

Abstract: A battery module includes a battery cell; a housing that includes an inner cavity for accommodating the battery cell; an output assembly arranged at an exterior side of the housing and electrically connected to the battery cell; and a module upper cover that seals the inner cavity. The module upper cover includes a body and an extension connected to the output assembly.

Abstract: A near-field probe (and associated method) compatible with near-infrared electromagnetic radiation and high temperature applications above 300° C. (or 500° C. in some applications) includes an optical waveguide and a photonic thermal emitting structure comprising a near-field thermally emissive material coupled to or part of the optical waveguide. The photonic thermal emitting structure is structured and configured to emit near-field energy responsive to at least one environmental parameter of interest, and the near-field probe is structured and configured to enable extraction of the near-field energy to a far-field by coupling the near-field energy into one or more guided modes of the optical waveguide.

Abstract: Provided are a terminal protection device and a battery module. The terminal protection device includes a base having a bottom portion and side plates connected to peripheral sides of the bottom portion, the side plates and the bottom portion together form an accommodation cavity, and an input port is in communication with the accommodation cavity; each of the side plates is provided with an input port, through which an output electrode passes; each of the side plates is further provided with a connection port, the connection port is in communication with the accommodation cavity such that an external electric connector can pass through the connection port) and be connected to the output electrode; and a protection plate is provided at the connection port, and the protection plate detachably covers the connection port.

Abstract: The present invention provides a training system and method, a testing system and method, a data filtering system and method, and a computer readable recording medium with stored program that includes verifying whether an object detection model has completed a training set learning and determining whether the object detection model is overfitting with a validation set, and outputting the training model as a master model before the object detection model is overfitting, and how to iterate the master model to match the test set test results and continuously maintain an online test level. The present invention provides a standardized method for achieving data marking consistency and training data selection.

Abstract: This application provides a battery module, a module combination, a battery pack, and an electric apparatus, where the battery module includes a battery module body and a frame for fastening the battery module body. The frame includes a first side plate, a second side plate, a first end plate, and a second end plate, where the first side plate and the second side plate are disposed opposite each other and located on two sides of the battery module body respectively, and the side plates both extend from the battery module body. The first end plate and the second end plate are disposed opposite each other and located at two ends of the battery module body respectively, and an end portion of the end plate has an overlapping platform and a splicing portion protruding from the overlapping platform.

Abstract: Methods of interpreting in-air hand gestures based on orientations of a wrist-wearable device are provided. The method includes receiving, from sensors of a wrist-wearable device, data associated with performance of an in-air hand gesture during a first period of time. The method includes, when determining the data indicates that the wrist-wearable device had a first orientation when the in-air hand gesture was performed during the first period of time, causing performance of a first operation. The method includes receiving, from sensors of the wrist-wearable device, new data associated with performance of the in-air hand gesture during a second period of time, the second period of time being after the first period of time. The method includes, when determining that the new data indicates that the wrist-wearable device had a second orientation when the in-air hand gesture was performed during the second period of time, causing performance of a second operation.

Abstract: This application provides a battery module, a module combination, a battery pack, and an electric apparatus, where the battery module includes a battery module body and a frame for fastening the battery module body. The frame includes a first side plate, a second side plate, a first end plate, and a second end plate, where the first side plate and the second side plate are disposed opposite each other and located on two sides of the battery module body respectively, and the side plates both extend from the battery module body. The first end plate and the second end plate are disposed opposite each other and located at two ends of the battery module body respectively, and an end portion of the end plate has an overlapping platform and a splicing portion protruding from the overlapping platform.

Abstract: Example implementations are for tracking an artificial reality input device by receiving, for the input device, video tracking data and inertial motion unit (“IMU”) data based on motion input. Example implementations generate, from the video tracking data, a video tracking position and a video tracking velocity; generate, from the IMU data, an IMU orientation and an IMU linear acceleration; and generate, from the IMU orientation and the IMU linear acceleration, an IMU linear velocity. Example implementations determine if the video tracking position and the video tracking velocity is reliable and determine, by a Kalman filter for the input device, a current bias, a current velocity and a current position.

Abstract: A belt sander includes a shield, a housing, and a sanding belt. The shield includes a main plate unit and an extension plate unit. The main plate unit cooperates with the housing to define a protection space. The extension plate unit extends from the main plate unit toward the sanding belt, and cooperates with the housing to define an opening that is in spatial communication with the protection space. The extension plate unit is spaced apart from the sanding belt in a first extending direction of a first axis, and cooperates with the sanding belt to define a first gap therebetween in the first extending direction. The extension plate unit is spaced apart from the sanding belt in a second extending direction of a second axis substantially orthogonal to the first axis, and cooperates with the sanding belt to define two second gaps therebetween in the second extending direction.

Abstract: A near-field probe (and associated method) compatible with near-infrared electromagnetic radiation and high temperature applications above 300°° C. (or 500° C. in some applications) includes an optical waveguide and a photonic thermal emitting structure comprising a near-field thermally emissive material coupled to or part of the optical waveguide. The photonic thermal emitting structure is structured and configured to emit near-field energy responsive to at least one environmental parameter of interest, and the near-field probe is structured and configured to enable extraction of the near-field energy to a far-field by coupling the near-field energy into one or more guided modes of the optical waveguide.

Abstract: An all-fiber laser oscillator comprises a laser cavity, an amplification fiber, a plurality of diode lasers, and at least one side-pump signal-and-pump combiner (combiner). The combiner comprises a double-clad fiber (DCF) and four or more multimode fibers (MMFs). DCF comprises a first taper portion, whereas each of MMFs comprises a second taper portion fused around DCF. MMFs are configured to carry a portion of combined optical energy (COE) and to couple to DCF. The first taper portion can partially compensate a beam divergence created by the second taper portion, thereby increasing a coupling efficiency of COE coupled from MMFs to DCF with improved thermal performance. In a coupling portion, a refractive index difference between MMFs and DCF is configured to form a backward coupling barrier to suppress an optical energy in DCF from coupling into MMFs, thereby protecting the plurality of diode lasers from damage.

Abstract: Aspects of the present disclosure are directed to creating and administering artificial reality collaborative working environments and providing interaction modes for them. An XR work system can provide and control such artificial reality collaborative working environments to enable, for example, A) links between real-world surfaces and XR surfaces; B) links between multiple real-world areas to XR areas with dedicated functionality; C) maintaining access, while inside the artificial reality working environment, to real-world work tools such as the user's computer screen and keyboard; D) various hand and controller modes for different interaction and collaboration modalities; E) use-based, multi-desk collaborative room configurations; and F) context-based auto population of users and content items into the artificial reality working environment.

Abstract: An electric ratchet wrench includes a tool head unit, a wrench body unit, an output unit, an electric unit, and a sensor unit. The wrench body unit includes a main body portion, and an installation portion connected between the tool head unit and the main body portion. The output unit includes a head driver mounted on the tool head unit, and being configured to rotate in a selected direction and output rotational energy. The sensor unit includes a transmitting handle pivotably connected to the main body portion, and at least one sensor module disposed between the main body portion and the transmitting handle. When the transmitting handle is driven by an external force to pivot relative to the main body portion, the sensor module outputs a torque reading of the external force.

Abstract: An electric wrench includes a tool head unit, a wrench body unit that defines an accommodating space extending along a first axis, an output unit that includes a head driver configured to rotate in a selected direction and output rotational energy, a handle unit, an electric unit that is operable for driving rotation of the head driver, and a control unit that is mounted on the wrench body unit. The control unit includes a display, a control module that is disposed in the accommodating space, and a battery module that is disposed in the accommodating space between the electric unit and the handle unit, and that has at least one battery configured to provide electric energy to the electric unit and the display. The electric unit, the battery module and the handle unit are arranged along the first axis.

Abstract: A near-field probe (and associated method) compatible with near-infrared electromagnetic radiation and high temperature applications above 300° C. (or 500° C. in some applications) includes an optical waveguide and a photonic thermal emitting structure comprising a near-field thermally emissive material coupled to or part of the optical waveguide. The photonic thermal emitting structure is structured and configured to emit near-field energy responsive to at least one environmental parameter of interest, and the near-field probe is structured and configured to enable extraction of the near-field energy to a far-field by coupling the near-field energy into one or more guided modes of the optical waveguide.

Abstract: A curing device includes a housing, a carrying plate, a moving assembly, and a light source. The housing defines an opening, The carrying plate is used for carrying a jig. The jig is used for receiving a product and an adhesive, and the jig includes a light transmitting area. The moving assembly is received in the housing and connected to the carrying plate for driving the carrying plate to move into and out of the housing from the opening. The light source is arranged in the housing for irradiating the light transmitting area of the jig to cure the adhesive in the jig. The disclosure also provides a curing apparatus.

Abstract: An antenna module includes an antenna box and a first connection wire. The antenna box can include a first antenna, a second antenna, a first connection terminal, a second connection terminal and a housing. The first and second antennas are located in the housing and the housing has a first opening collectively exposing a portion of the first connection terminal and a portion of the second connection terminal. Each of the first and second antennas is adapted to receive or transmit wireless signals according to one of a plurality of wireless communication standards and the first and second antennas are electrically connected to the first and second connection terminals, respectively. The wireless communication standards can be different from each other.