Abstract: The present application provides a virtual reality-based derailment accident passenger comfort degree monitoring system and method, wherein the system comprises a train dynamics calculation module, a train operation state virtual simulation module, a six-degree-of-freedom motion platform, a train seat, a head-mounted display, a human body monitoring sensor system and a monitoring data storage terminal. The system establishes a database of the injury degrees of passengers with different ages under the train derailment; the test cost is low, the safety coefficient is high, and the repeatability of the test conditions is good, wherein the comfort degree test data of the passengers under the same derailment inducement can be repeatedly obtained; the safety risk in the actual test is eliminated, so that the authenticity of the test result is ensured, and the test cost is low and the repeatability is high.

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 a temperature control system coupled with a heat pump water heater. The temperature control system comprises a heat exchange unit, a heat exchanger, a supply water pipeline, a return water pipeline, a room temperature control apparatus, a heat pump water heater, a buffer water tank and a water pump. The heat pump water heater comprises a temperature-rise water tank, a heat pump evaporator and a compressor. The heat pump evaporator is coupled to the return or supply water pipeline. In a coupled form, an outdoor unit of the heat pump water heater is replaced by the heat exchange unit via a circulating water body, so that a room temperature adjustment system shares the heat exchange unit with a hot water supply system. Moreover, multiple households can share one heat exchange unit, which is of great significance for apartments and rental houses.

Abstract: The present disclosure provides a headphone including a sound production component and an ear hook. The ear hook and the sound production component form a first projection on a user's sagittal plane. In a non-wearing state, an inner contour, a first end contour, a second end contour of the first projection, and a tangent segment connecting the first end contour and the second end contour jointly define a first closed curve. A first area of the first closed curve ranges 300 mm2-500 mm2. A portion of the inner contour corresponding to the ear hook includes a first curve. The first curve has an extremum point in a first direction perpendicular to a long axis direction of a projection of the sound production component, the extremum point is located behind a projection point of an upper vertex of the ear hook on the sagittal plane.

Abstract: Embodiments of the present disclosure provide an earphone, comprising a sound production component, comprising a transducer and a housing accommodating the transducer, a sound outlet hole being provided on an inner side surface of the sound production component, the inner side facing an auricle of a user, and the sound outlet hole being configured to transmit a sound produced by the transducer out of the housing toward an ear canal of the user; and an ear-hook, configured to place the sound production component at a position adjacent to the car canal but not blocking an ear canal opening in a wearing state; wherein, at least a portion of the sound production component inserts into a cavum concha.

Abstract: Embodiments of the present disclosure provide a headphone including a sound production component and an ear hook. The ear hook includes a first portion and a second portion connected in sequence. The first portion being hooked up between an ear auricle and a head of a user, and the second portion is configured to be hang between an auricle of a user and a head of the user, the second portion extends toward a front outer side of the auricle, connects with the sound production component, and is configured to place the sound production component at a position close to an ear canal without blocking an opening of the ear canal, and at least a portion of the sound production component is inserted into an concha cavity. The sound production component and the first portion of the ear hook clamp the auricle in a wearing state.

Abstract: Embodiments of the present disclosure provide an earphone including: a sound generation component, including a transducer and a housing accommodating the transducer, the housing being provided with a sound outlet hole and a pressure relief hole, the sound outlet hole being provided on an inner side of the housing facing an auricle, and the pressure relief hole being provided on an other side of the housing; an ear hook configured to place the sound generation component near an ear canal without blocking the ear canal in a wearing state; and a microphone assembly at least including a first microphone and a second microphone provided in the sound generation component or the ear hook, the sound generation component or the ear hook being provided with a first sound receiving hole and a second sound receiving hole corresponding to the first microphone and the second microphone, respectively.

Abstract: Embodiments of the present disclosure provide an earphone, comprising a sound production component including a transducer and a housing. The earphone further includes and an ear-hook, wherein the ear-hook places the sound production component at a position near an ear canal but not blocking the ear canal. The sound production component and the ear-hook have a first projection and a second projection, respectively, on a sagittal plane. A first distance exists between a centroid of the first projection and a highest point of the second projection along a vertical axis direction, and a ratio of the first distance to a height of the second projection along the vertical axis direction is in a range of 0.35 to 0.6. A sound outlet is provided on an inner side surface of the housing, other side surfaces of the housing are provided with one or more pressure relief holes.

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 relates to an earphone, comprising: a sound production component, at least a portion of the sound production component extending into a concha cavity; ear hook disposed between an auricle and a head of the user, extending toward a side of the auricle away from the head, and connecting the sound production component; in a non-wearing state, the ear hook and the sound production component form a first projection on a first plane comprising an outer contour, a first end contour, an inner contour, and a second end contour, the inner contour, the first end contour, the second end contour, and a tangent segment connecting the first end contour and the second end contour define a third closed curve, a ratio of a projection area of the sound production component on the first plane to a third area of the third closed curve is between 0.67 and 1.06.

Abstract: Light emitting assemblies comprise a plurality of Light Emitting Diode (LED) dies arranged and attached to common substrate to form an LED array having a desired optimum packing density. The LED dies are wired to one another and are attached to landing pads on the substrate for receiving power from an external electrical source via an interconnect device. The assembly comprises a lens structure, wherein each LED die comprises an optical lens disposed thereover that is configured to promote optimal light transmission. Each optical lens has a diameter that is between about 1.5 to 3 times the size of a respective LED die, and is shaped in the form of a hemisphere. Fillet segments are integral with and interposed between the adjacent optical lenses, and provide sufficient space between adjacent optical lenses so that the diameters of adjacent optical lenses do not intersect with one another.

Abstract: In one example, an electronic device may include a main body, and a back cover having an opening. The back cover may include an inner surface, and a hook protruding from the inner surface. The hook may be engageable with a receiving portion of the main body to slidably couple the back cover to the main body. Further, electronic device may include a component housing connected to the main body through the opening in the back cover to fixedly couple the back cover to the main body.

Abstract: Systems and methods for unifying business records data from different database sources into a common format in the same repository are disclosed. In one embodiment, a process includes receiving, by an integration platform system, a first set of business records data from a customer records system, where the business records data includes records in a first format, identifying a first transformation rule corresponding to the first format using the integration platform system, where the first transformation rule includes information for converting data from the first format to a unified format, converting each record in the first set of business records from the first format to the unified format by the integration platform system using the first transformation rule, and storing the first set of converted records in the unified format in a business records database.

Abstract: In one embodiment, a method for detecting intent of a textual message for a business records process includes receiving a request message, extracting text and metadata from the request message, executing semantic queries to determine an intent of the request message, by, for each semantic query, where the semantic query specifies a machine learning language model to be used, what text and metadata from the message and textual prompt to provide to each machine learning language model, and a formatting template specifying how an expected answer from each machine learning language model should be formatted, providing some of the extracted text and metadata and a textual prompt to each machine learning language model as specified in the semantic query, receiving an answer from each machine learning language model that includes an indication of an intent classification, and performing a corresponding business action in response to the indicated intent classification.

Abstract: A lighting device capable of generating warm or neutral white light using blue light-emitting diodes (“LEDs”), red LEDs, and/or luminescent material that responds to blue LED emission is disclosed. The lighting device includes multiple first solid-state light-emitting structures (“SLSs”), second SLSs, and balancing resistor element. The first SLS such as a string of blue LED dies connected in series is able to convert electrical energy to blue optical light, which is partially turned into longer wavelength emission by the luminescent material. The second SLS such as a red LED die is configured to convert electrical energy to red optical light, wherein the second SLSs are connected in series. While the first SLSs and second SLSs are coupled in parallel, the balancing resistor element provides load balance for current redistribution between the first and second SLSs in response to fluctuation of operating temperature.

Abstract: Systems and methods for unifying business records data from different database sources into a common format in the same repository are disclosed. In one embodiment, a process includes receiving, by an integration platform system, a first set of business records data from a customer records system, where the business records data includes records in a first format, identifying a first transformation rule corresponding to the first format using the integration platform system, where the first transformation rule includes information for converting data from the first format to a unified format, converting each record in the first set of business records from the first format to the unified format by the integration platform system using the first transformation rule, and storing the first set of converted records in the unified format in a business records database.

Abstract: In some examples a computing device can comprise a back plate and an electrical connection. The electrical connection is not in contact with a detect mechanism if a first voltage is generated; and the detect mechanism is in contact with the electrical connection if a second voltage is generated.

Abstract: Light emitting assemblies comprise a plurality of Light Emitting Diode (LED) dies arranged and attached to common substrate to form an LED array having a desired optimum packing density. The LED dies are wired to one another and are attached to landing pads on the substrate for receiving power from an external electrical source via an interconnect device. The assembly comprises a lens structure, wherein each LED die comprises an optical lens disposed thereover that is configured to promote optimal light transmission. Each optical lens has a diameter that is between about 1.5 to 3 times the size of a respective LED die, and is shaped in the form of a hemisphere. Fillet segments are integral with and interposed between the adjacent optical lenses, and provide sufficient space between adjacent optical lenses so that the diameters of adjacent optical lenses do not intersect with one another.

Abstract: An apparatus may include a collar, a first bracket and a second bracket. The collar may be retained in a substrate through hole of a substrate. For example, a portion of the collar may be inserted into the substrate through hole. The first bracket may include a first bracket screw hole and the second bracket may include a second bracket screw hole. The second bracket may be adjustable from a first (down) position to a second (upright) position. When the second bracket is in the first position, a mount retaining screw may be received through the first bracket screw hole to retain a mount to the substrate for a first thickness of the substrate. When the second bracket is in the second position, the mount retaining screw may be received through the second bracket screw hole to retain the mount to adjust to a second thickness of the substrate.

Abstract: A pet water bottle includes a shell, a triggering member, a transmission member and a first sealing member. A cavity for water storage is formed inside the shell, a first recessed region is formed on an outer surface of the shell, and a first through hole communicating with the cavity is arranged on an inner wall of the first recessed region; the first sealing member is arranged in the cavity, at least part of the transmission member is fixed inside the cavity, and the first sealing member is fixed onto the transmission member; the first through hole is in contact with and fully covered by the first sealing member; at least part of the triggering member is fixed outside the shell, and the triggering member and the transmission member are spaced apart from each other; the triggering member is capable of moving in a direction close to the transmission member.