Abstract: A method for controlling an electronic expansion valve of a variable refrigerant flow air conditioning system includes steps as follows: when operating in a primary heating mode, obtaining a degree of superheat of return air of a compressor, and performing a control on an opening degree of the first electronic expansion valve according to the degree of superheat; judging the degree of superheat and the opening degree of each refrigerating indoor machine in the plurality of indoor machines; and if the degree of superheat is greater than a first preset degree of superheat and an opening degree in any refrigerating indoor machine reaches a maximum opening degree, obtaining a target medium pressure value by calculating a refrigerant volume of the refrigerating indoor machine reaching the maximum opening degree, and performing a medium pressure control on the first electronic expansion valve according to the target medium pressure value.

Abstract: A container, such as a beverage container or a mug, may include electronics to run applications. In some examples, the container may include a display for visually displaying icons, menus, data, and other elements. In some examples, the container may include one or more sensors, such as touch sensitivity built into the display or a separate touch-sensitive panel, and/or a motion sensor. In some examples, the container may use the one or more sensors to receive input from a user to run interactive applications on the display. In some examples, the container may recognize particular forms of input, such as user swipes in specified directions and/or for specified durations on the touch-sensitive display, and/or motion of the container in specified directions to execute specified commands for the applications. The recognized input may form a user interface for the user.

Abstract: A memory module, comprising: a first pin, arranged to receive a first signal; a second pin, arranged to receive a second signal; a first conducting path, having a first end coupled to the first pin; at least one memory chip, coupled to the first conducting path for receiving the first signal; a predetermined resistor, having a first terminal coupled to a second end of the first conducting path; and a second conducting path, having a first end coupled to second pin for conducting the second to a second terminal of the predetermined resistor; wherein the first signal and the second are synchronous and configured to be a differential signal, for enabling a selected memory chip from the at least one memory chip to be accessed.

Abstract: An electric motor includes a stator and a rotor. The stator includes a motor housing with an open end and an end cover mounted to the open end. The rotor includes a rotor shaft that extends through the end cover. The end cover includes a bearing that supports the rotor shaft. The rotor shaft and motor housing are made of an electrically conductive material and are electrically connected with each other. The motor housing, end cover, bearing and rotor shaft cooperatively form an electromagnetic shield suppressing electromagnetic interference generated by the motor. Optionally, the rotor shaft drives a coaxial worm shaft of a gearbox by an insulating member, which further suppresses electromagnetic interference.

Abstract: The present invention discloses a micro three-dimensional shell resonator gyroscope, a method for fabricating a micro shell resonator, a method for fabricating a composite structure substrate, and a method for fabricating a micro three-dimensional shell resonator gyroscope. A micro three-dimensional shell resonator gyroscope includes a packaging shell cover, a micro shell resonator, and a composite structure substrate. The micro shell resonator includes a shell, a single-ended column, and a flange. The composite structure substrate includes a non-planar electrode, a conductive structure, an electrical isolation part, and a main body part. The non-planar electrode includes a driving electrode, a detection circuit, an annular exciting electrode, and an isolation electrode.

Abstract: A method for controlling an electronic expansion valve of a variable refrigerant flow air conditioning system is disclosed in the present disclosure.

Abstract: An interactive display device and an interactive display system are provided. The interactive display device includes: a body having a microprocessor disposed therein; an optical project unit for projecting a pattern to a scene; an image capture unit for capturing an image of the scene containing the pattern; and a display unit for displaying the image. The interactive display device and the interactive display system can locate exactly through the image containing the pattern. Therefore, the present disclosure has the efficiency of easy communication.

Abstract: The present disclosure relates to a configuration method and apparatus for a synchronization network.

Abstract: A return air superheat degree test method for a multi-split system. A multi-split system comprises a re-cooling loop composed of a first heat exchanger (100) and a second heat exchanger (200), a first temperature sensor (11), a second temperature sensor (12) and a third temperature sensor (13). The return air superheat degree test method comprises the following steps: acquiring a first temperature value (T1) detected by the first temperature sensor (11), a second temperature value (Tintermediate) detected by the second temperature sensor (12) and a third temperature value (T2) detected by the third temperature sensor (13); acquiring a minimum value between the first temperature value (T1) and the second temperature value (Tintermediate), and acquiring a maximum value between the third temperature value (T2) and the second temperature value (Tintermediate); and calculating a superheat degree according to the minimum value and the maximum value.

Abstract: A commutator has a conductive layer, a segment layer and an insulating layer separating the conductive layer and the segment layer. The segment layer includes multiple commutator segments. A mounting hole is defined along an axis of the commutator passing through the conductive layer. The three-layer structure of the commutator forms a capacitor having an increased confronting area and reduced inter-plate distance. The capacitor thus has a greater capacitance and hence greater EMI absorbing capability, making it possible to reduce EMI emissions without additional EMI reduction components outside the commutator. A rotor and a motor employing the commutator are also disclosed.

Abstract: Disclosed are a cross-domain protection interacting method and system. The method includes: an interconnecting node on a cross-domain working path between a first domain and a second domain sends second identification information of the second domain to a first node in the first domain, wherein the first domain and the second domain are neighboring domains; when a link failure occurs in the first domain, an interconnecting backup node between the first domain and the second domain receives first failure state information sent by the first node, wherein the first failure state information carrying the second identification information; and the interconnecting backup node activates a second protection path in the second domain according to the second identification information, and uses a first protection path in the first domain and the second protection path to transmit a cross-domain service.

Abstract: Aspects of the disclosure provide a terminal device that includes an interface circuitry and a processing circuitry. The interface circuitry is configured to interface the terminal device to a network, and transmit and receive signals to/from a server and other terminal devices via the network. The server provides service functionality to users who are registered with the server in a service network. The terminal device is utilized by a first user who is registered in the service network, and is associated with one or more friend users in the service network. The processing circuitry is configured to cause the interface circuitry to send a first application request to a second terminal device that is utilized by a friend user, receive a first response that is generated based on a first input on the second terminal device in response to the first application request, and receive a processing result of the first application request that is determined by the server based on the first response.

Abstract: An air conditioning system, an outdoor apparatus of an air conditioning system and a method for controlling an air conditioning system are provided. The air conditioning system includes: an indoor apparatus and an outdoor apparatus. The outdoor apparatus includes a variable-frequency compressor and a controller configured to perform a variable-frequency control on the variable-frequency compressor according to operation parameters of the variable-frequency compressor and independent from the indoor apparatus.

Abstract: A configuration and testing method and system for an FPGA chip using a bumping process are disclosed, the method includes creating configuration files for an FPGA chip under test and storing them in a memory; reading, by a master FPGA, a configuration code stream of corresponding configuration codes from the mass memory, configuring the FPGA chip under test via an external test interface, and determining whether the configuration is successful; if the configuration is successful, converting the configuration code stream into a test signal source file that is recognizable, executable and reusable by multiple pieces of test equipment by a developed algorithm and a conversion tool; and automatically loading the test signal source file onto the FPGA chip under test in real time by advanced test equipment.

Abstract: A multi-split system includes an outdoor unit, a distribution device, and a plurality of indoor units. The distribution device includes a gas-liquid separator, a first heat exchange assembly, a first electronic expansion valve, a second heat exchange assembly, a second electronic expansion valve, a third electronic expansion valve connected in parallel with the second electronic expansion valve. When the flow rate of the refrigerant passing through the first electronic expansion valve is greater than a first preset value, the distribution device is configured to calculate a value of superheat degree according to the outlet temperature of the indoor heat exchanger of each cooling indoor unit and the temperature of the refrigerant flowing into the second heat exchange assembly, and to perform a PI control over the second electronic expansion valve and the third electronic expansion valve according to the value of superheat degree.

Abstract: A driver circuit for receiving a data input and generating an output signal to a termination element according to at least the first data input is provided. The driver circuit includes a first output terminal, a current mode drive unit and a voltage mode drive unit. The current mode drive unit is arranged for selectively outputting a first reference current from the first output terminal to the termination element according to the first data input, and selectively receiving the first reference current through the first output terminal according to the first data input. The voltage mode drive unit is arranged for coupling one of a first reference voltage and a second reference voltage different from the second reference voltage to the first output terminal according to the first data input.

Abstract: A heat exchanger (100) and a multi-split system having the same are provided. The heat exchanger (100) includes: a manifold (1) including a main body (11), an inlet (12) disposed in a bottom portion of the main body (11) and a plurality of split-flow ports distributed in a side wall of the main body (11) along a length direction thereof, in which the main body (11) includes a plurality of pipes from bottom to top, the pipe located downstream has a smaller flow area than the pipe located upstream in each two adjacent pipes, each pipe has a height no greater than 0.5 m, and a number of the pipes is 2?N?3; a header (2) communicated with the manifold (1) via a plurality of heat exchange tubes spaced apart from one another along an up and down direction, the header (2) having an outlet (21) for discharging a refrigerant.

Abstract: A product includes a porcelain external wall, a touchscreen panel positioned behind the external wall, a graphical display panel positioned behind the external wall, graphical display logic to render a graphical user interface on the graphical display device to be projected through the porcelain external wall, and touch logic to interpret touch interactions with the touchscreen panel received through the porcelain external wall. The porcelain external wall at least partially obscures presentation of the graphical user interface.

Abstract: A printed circuit board includes a body, a first conductive pattern layer disposed on a first surface of the body, and a second conductive pattern layer disposed on a second surface of the body. The first conductive pattern layer and the second conductive pattern layer form a capacitor. The present disclosure further provides an motor having the printed circuit board.

Abstract: The present invention provides integrated circuit and apparatus having USB connector; the integrated circuit includes a signaling circuit and an interface for relaying signal between the USB connector and the signaling circuit, wherein an interconnect scheme of the signaling circuit is different from USB interconnect defined by USB specification; for example, a frequency adopted for signaling can be programmable, be lower than wireless band and/or be different from a frequency of USB SuperSpeed interconnect.