Abstract: A method for improving the effect of the oocyte cryopreservation by reducing the mitochondrial temperature is provided. The invention uses a culture medium containing metformin for pretreatment before oocyte freezing; the pre-treated oocytes are then placed in a 20% ethylene glycol solution for balancing, and then the oocytes are placed in a vitrification solution for freezing and are submerged into liquid nitrogen. The method of this invention can effectively reduce the mitochondrial temperature of porcine oocytes, reduce the fluidity of cell membrane, and does not affect the embryonic development after parthenogenetic activation, it can restore the mitochondrial temperature of oocytes after thawing, improve the survival rate after thawing, which can effectively improve the utilization rate of frozen oocytes, it has wide application prospect.

Abstract: A monitoring system based on a digital converter station includes a first monitoring terminal deployed at a first-level monitoring side, a second monitoring terminal deployed at a second-level monitoring side, and a third monitoring terminal deployed at a third-level monitoring side; the monitoring terminal at each level includes a communication module, a human-machine interaction module, a device status monitoring module, a device alarm management module, a video fusion processing module, and a data transmission adjustment and control module.

Abstract: The present disclosure provides a map information acquisition method and a map acquisition apparatus and a non-transitory computer-readable storage medium. The method comprises: acquiring and constructing, by a map acquisition apparatus, map data, and acquiring, by the map acquisition apparatus, shelf identity information of each of shelves, wherein the shelf identity information is in one-to-one correspondence with the shelves, wherein the map acquisition apparatus comprises: a shopping cart component provided with a map construction system and a radio frequency identification reader; and marking, by the map acquisition apparatus, the map data according to each of the shelf identity information, and generating, by the map acquisition apparatus, map information marked with multiple pieces of shelf identity information.

Abstract: The present invention provides an electronic shelf label communication system, method and apparatus.

Abstract: The present disclosure provides a commodity positioning method and apparatus, a device and a storage medium. The method comprises: acquiring map information marked with multiple pieces of shelf identity information, wherein the multiple pieces of shelf identity information are in one-to-one correspondence with shelves; acquiring shelf image information corresponding to the shelf identity information; identifying, according to the shelf image information, a commodity corresponding to each of electronic price label apparatuses on a corresponding shelf and a first positional relationship between each of the electronic price label apparatuses and the corresponding shelf; generating location information of each of the commodities according to the first positional relationship and the map information.

Abstract: A method of measuring one or more conditions within a predetermined area includes receiving at a control system a signal including scattered light and time of flight information associated with a plurality of nodes of a detection system, parsing the time of flight information into zones of the detection system, identifying one or more features within the scattered light signal, and analyzing the one or more features within the scattered light signal to determine a presence of the one or more conditions within the predetermined area.

Abstract: Methods, systems, and devices for wireless communications are disclosed by the present application. A request to establish a call using a first connection may be received, the first connection using a first radio access technology to communicate with a radio access network. During execution of a procedure to establish the call, a command to handover communications from the first connection to a second connection that uses a second radio access technology to communicate with the radio access network may be received. The second connection may be established in response to the command, and a message indicating that the request to establish the call was successfully received may be transmitted over the second connection. Also, a message indicating that an alert of the call is being issued may be transmitted over the second connection.

Abstract: Example embodiments relate to vehicle sensor modules with external audio receivers. An example sensor module may include sensors and can be coupled to a vehicle's roof with a first microphone positioned proximate to the front of the sensor module. The sensor module can also include a second microphone extending into a first side of the sensor module such that the second microphone is configured to detect audio originating from an environment located relative to a first side of the vehicle and a third microphone extending into a second side of the sensor module such that the third microphone is configured to detect audio originating from the environment located relative to a second side of the vehicle, wherein the second side is opposite of the first side.

Abstract: This application is directed to a speaker device having a rounded enclosure. The rounded enclosure includes two housing elements that are coupled to each other and have a substantially continuous transition. The rounded enclosure has a circular cross section defined by a first radius. A first housing element includes and extends past the circular cross section, and a second housing element has a second maximum radius that is smaller than the first radius. A speaker unit and a circuit board are arranged within the rounded enclosure. The circuit board is electrically coupled to the speaker unit. At least a portion of the first housing element includes perforations configured to enable transmission of sound generated by the speaker unit out of the speaker device. The second housing element has a power connector that is electrically coupled to the circuit board and is configured to receive power from an external power supply.

Abstract: A method for fabricating a semiconductor device includes the steps of: providing a substrate, wherein the substrate comprises a MRAM region and a logic region; forming a magnetic tunneling junction (MTJ) on the MRAM region; forming a top electrode on the MTJ; and then performing a flowable chemical vapor deposition (FCVD) process to form a first inter-metal dielectric (IMD) layer around the top electrode and the MTJ.

Abstract: Embodiments of a three-dimensional (3D) memory device and a method of operating the 3D memory device are provided. The 3D memory device includes an array of 3D NAND memory cells, an array of static random-access memory (SRAM) cells, and a peripheral circuit. The array of SRAM cells and the peripheral circuit arranged at one side are bonded with the array of 3D NAND memory cells at another side to form a chip. Data is received from a host through the peripheral circuit, buffered in the array of SRAM cells, and transmitted from the array of SRAM cells to the array of 3D NAND memory cells. The data is programmed into the array of 3D NAND memory cells.

Abstract: Example embodiments relate to vehicle sensor modules with external audio receivers. An example sensor module may include sensors and can be coupled to a vehicle's roof with a first microphone positioned proximate to the front of the sensor module. The sensor module can also include a second microphone extending into a first side of the sensor module such that the second microphone is configured to detect audio originating from an environment located relative to a first side of the vehicle and a third microphone extending into a second side of the sensor module such that the third microphone is configured to detect audio originating from the environment located relative to a second side of the vehicle, wherein the second side is opposite of the first side.

Abstract: The present disclosure provides a battery management system with protection and equalization functions including a dedicated battery management IC, a plurality of sampling circuits and a plurality of execution circuits. A battery protection module and an equalization module are integrated in the dedicated battery management IC. The sampling circuits and the execution circuits are coupled between the dedicated battery management IC and a lithium battery pack, respectively. The sampling circuit collects parameters including voltage, charge-discharge current and battery temperature of the lithium battery pack and inputs them into the dedicated battery management IC for analysis and processing. The dedicated battery management IC outputs control signals to the execution circuits according to a result of the analysis and processing of the parameters, to control the execution circuits to perform battery protection function and voltage equalization function of the lithium battery pack.

Abstract: This application provides a photographing device and self-adaptive method of software functions and photographing parameters thereof.

Abstract: Example embodiments relate to a sensor unit with rotating housing and spoiler for enhanced airflow. An example device includes one or more sensors configured to sense one or more aspects of an environment surrounding the device. The device also includes a housing that at least partially surrounds the one or more sensors. The housing and the one or more sensors are configured to rotate about a shared axis. The housing includes an inlet configured to act as an air intake for an airflow through the housing. The airflow is configured to cool the one or more sensors while the one or more sensors are operating. Further, the device includes a spoiler positioned on or near the inlet. The spoiler is configured to increase an air pressure near the inlet or promote laminar flow near the inlet in order to promote the airflow through the housing.

Abstract: A sensor module comprising a housing defining an internal cavity, the housing including an aperture, at least one microphone positioned in the internal cavity spaced from the aperture, a first barrier proximate the aperture, and a second barrier positioned between the at least one microphone and the first barrier.

Abstract: Optically transparent fiber glass cover substrates for electronic displays. The cover substrates include an optically transparent fiberglass composite layer including a fiberglass layer embedded in a matrix material and an optically transparent hard-coat layer bonded to a top surface of the optically transparent fiberglass composite layer. A bottom surface of the optically transparent fiberglass composite layer may define a bottommost exterior surface of a cover substrate. The bottommost exterior surface of a cover substrate may be disposed over a display surface of an electronic display to protect the display surface from damage.

Abstract: A detection system for measuring one or more conditions within an area. At least one fiber optic cable transmits light wherein the at least one fiber optic cable defines a plurality of nodes arranged to measure the one or more conditions. A control system communicates with the at least one fiber optic cable such that scattered light and a time of flight record is transmitted from the at least one fiber optic cable to the control system. The control system includes a detection algorithm operable to identify a portion of the scattered light associated with each of the plurality of nodes. When determining an alert, the control system transmits data associated with a presence and magnitude of the one or more conditions at each of the plurality of nodes to a cloud computing environment and, in return, receives a notification based on the data transmitted.

Abstract: Based on changes in a battery (e.g., age, temperature) of an electronic device, battery power prediction and correction logic of the electronic device may correct a power capability and/or regulate power associated with the battery. For example, the battery power prediction and correction logic may operate the battery to supply up to a maximum of a power capability with an applied correction factor based on a voltage measurement and a cutoff voltage associated with the battery.