Abstract: Disclosed is a preparation method of a polycarboxylate water reducer having a regular sequence structure. The preparation method of the present invention comprises: performing Michael addition on polyethylene glycol ether acrylate macromonomer A and amino-containing carboxylic acid B for 5-12 hours, then cooling to 0° C., dropwise adding acryloyl chloride slowly and evenly, and further reacting for 12 hours at room temperature to obtain carboxyl-containing polyether macromonomer C; mixing the carboxyl-containing polyether macromonomer C, a small molecular RAFT reagent, an initiator, and water adequately; and holding the polymerization mass concentration at 30%-60% and heating to 60-80° C. in the atmosphere of N2 to react for 2-5 hours to obtain the polycarboxylate water reducer having a regular sequence structure.

Abstract: The present application provides a method and apparatus for video surveillance. The method for video surveillance includes: detecting, through an infrared sensor, whether a target is present in a sensing area of the infrared sensor, and generating a deflection instruction indicating a deflection angle in a case where it is detected that the target is present; and deflecting, according to the deflection instruction, a shooting direction of a camera towards the target by the deflection angle.

Abstract: An inkjet printing device and an operation method of the inkjet printing device are provided. The inkjet printing device includes a printing sprayer head, the printing sprayer head includes a nozzle and a cleaner component, the cleaner device includes a cleaner and a vacuum system, the cleaner is configured to be communicated with the nozzle, and the cleaner is communicated with the vacuum system.

Abstract: Embodiments of the present disclosure provide a display control assembly, a control method for a display control assembly, a head-up display system, and a vehicle. The display control assembly includes a processor and a display source. The processor is configured to generate, according to driving state information of a vehicle, traffic information of an intersection to be approached by the vehicle and distance information, prompt information for indicating a driving suggestion; and the display source is configured to output the prompt information.

Abstract: The present disclosure provides a cache device and a LCD screen production line. The cache device provided by the present disclosure includes an outer frame having an opening for picking and placing cached items on a first side wall thereof and a support bracket for horizontally supporting cached items therein; and first blowing means disposed on the second side wall of the outer frame for blowing air toward the opening; second blowing means disposed on the third side wall or the fourth side wall of the outer frame; an exhaust means disposed on a fourth side wall opposite to the third side wall of the frame.

Abstract: A lighting control method for use in a first vehicle is provided. The method includes receiving an optical signal from a lamp of a second vehicle; identifying a pulse signal included in the optical signal; determining a position of the second vehicle relative to the first vehicle; and controlling a lamp of the first vehicle in accordance with the position of the second vehicle and the pulse signal.

Abstract: The invention relates to a mediation technique carried out by a first device in a residential network. In said residential network, a software abstraction module offering an abstraction service of a technique for controlling access to the underlying media is executed by the first device. The first device receives a request to join the residential network from a second device via a wireless communication channel and verifies whether the second device is capable of executing the abstraction software module. When the second device is incapable of executing said software module, the first device allocates an address identifying the second device in the residential network according to a format compatible with the execution of the software module and executes the software abstraction module as a proxy of the second device.

Abstract: A method for managing electricity use of a plurality of household appliances connected within a local communication network and having one or more operating phases. The method includes the following steps, implemented by a data processing module: acquiring information related to the operating phases, in progress or forthcoming, for at least two household appliances, the information related to an operating phase for a household appliance including the power used by the household appliance during the phase; determining, on the basis of the acquired information, at least one operating phase of one of the appliances to be interrupted so as to minimize peak power use; and interrupting the determined operating phase.

Abstract: A method for adjusting grayscale values of an image includes: for each pixel in the image, calculating a first mapping value for a grayscale value of the pixel in the image through a histogram equalization mapping function; calculating a second mapping value by subtracting a first preset value from the grayscale value of the pixel through the histogram equalization mapping function, and when the result exceeds a preset grayscale range, selecting a minimum value of the preset grayscale range for calculating the second mapping value; calculating a third mapping value by adding a second preset value to the grayscale value of the pixel through the histogram equalization mapping function and when the result exceeds the preset grayscale range, selecting a maximum value of the preset grayscale range; and calculating an output grayscale value of the pixel based on the first, second, and third mapping value and respective weights.

Abstract: The invention relates to a technique for determining the presence of a peripheral device (23, 26) in a service area of a local network (2). The local network includes a gateway (20) for accessing a communications network (1) and at least one relay device (21, 24). The peripheral device and the relay device(s) are arranged to communicate with other devices via a radio-access network. The access gateway controls at least one relay device, so that the latter scans frequencies for accessing the radio-access network. When the relay device receives an announcement message from the peripheral device, said relay device transmits a notification of detection of the peripheral device to the access gateway. The peripheral device is then identified as being present in the service area.

Abstract: A housing includes a main body having an external surface, a power storage unit, a support unit, and a plug unit; the power storage unit, the support unit and the plug unit are positioned on one end of the external surface, the support unit is rotatably connected to the power storage unit and is used to support the housing be fixed at a certain angle, and the plug unit is rotatably connected to the support unit and is used to be plugged in a power source to charge the power storage unit. A terminal device assembly is also provided. The terminal device assembly includes the housing and a terminal device, the terminal device of the terminal device assembly is detachably received in the housing.

Abstract: A technique for managing power usage in a local communication network. The network includes at least one device having at least one operation phase. A processing unit receives information related to at least one operation phase of the device after detecting an operation phase change. The information includes power used by the device during the phase and an estimated duration of the phase. The processing unit determines projected power usage within the local network for the duration of the operation of the device, the projected power usage taking the form of at least one power usage increment and an associated increment duration. For a power usage increment, the processing unit: determines an output current to be output by at least one battery in order to at least partially compensate the increment; and sends, to the battery, a command to discharge the output current determined for the duration of the increment.

Abstract: The invention relates to a technique for access by a master device (22) to a value. The invention relates to a technique for access by a master device (22) to a value taken by a characteristic managed by a peripheral device (23). A first relay device (21) situated in a zone of radio coverage of the master device receives a command for simulation of the peripheral device, this peripheral device being situated in a zone of radio coverage to a second relay device (24). The first relay device then establishes a radio connection with the master device, by simulating the presence of the peripheral device in the zone of radio coverage of the master device. The first relay device receives from the master device a request to read a value taken by a characteristic managed by the peripheral device, transmits the request and receives in return the value from the second relay device, said second relay device having obtained it by interrogating the peripheral device. It can then dispatch it to the master device.

Abstract: A lighting control method for use in a first vehicle is provided. The method includes receiving an optical signal from a lamp of a second vehicle; identifying a pulse signal included in the optical signal; determining a position of the second vehicle relative to the first vehicle; and controlling a lamp of the first vehicle in accordance with the position of the second vehicle and the pulse signal.

Abstract: A housing includes a main body having an external surface, a power storage unit, a support unit, and a plug unit; the power storage unit, the support unit and the plug unit are positioned on one end of the external surface, the support unit is rotatably connected to the power storage unit and is used to support the housing be fixed at a certain angle, and the plug unit is rotatably connected to the support unit and is used to be plugged in a power source to charge the power storage unit. A terminal device assembly is also provided. The terminal device assembly includes the housing and a terminal device, the terminal device of the terminal device assembly is detachably received in the housing.

Abstract: A method for adjusting grayscale values of an image includes: for each pixel in the image, calculating a first mapping value for a grayscale value of the pixel in the image through a histogram equalization mapping function; calculating a second mapping value by subtracting a first preset value from the grayscale value of the pixel through the histogram equalization mapping function, and when the result exceeds a preset grayscale range, selecting a minimum value of the preset grayscale range for calculating the second mapping value; calculating a third mapping value by adding a second preset value to the grayscale value of the pixel through the histogram equalization mapping function and when the result exceeds the preset grayscale range, selecting a maximum value of the preset grayscale range; and calculating an output grayscale value of the pixel based on the first, second, and third mapping value and respective weights.

Abstract: Embodiments of the present disclosure provide a display control assembly, a control method for a display control assembly, a head-up display system, and a vehicle. The display control assembly includes a processor and a display source. The processor is configured to generate, according to driving state information of a vehicle, traffic information of an intersection to be approached by the vehicle and distance information, prompt information for indicating a driving suggestion; and the display source is configured to output the prompt information.

Abstract: A drowning alarm system and a drowning alarm method. The drowning alarm system includes a submerging detection device, a position detection device and a signal transmitting device. The submerging detection device configured to detect whether or not the submerging detection device is submerged, and generate a submerging alarm instruction when the submerging detection device is submerged. The position detection device configured to determine whether or not the submerging detection device is within a preset range, and generate a distance information instruction when the submerging detection device is within the preset range. The signal transmitting device configured to transmit a first alarm signal when the submerging detection device generates the submerging alarm instruction and the position detection device generates the distance information instruction. The drowning alarming system with false alarm prevention function is realized.

Abstract: The present invention discloses a thread processor and a thread processing method. The thread processor implements processing of a Linux thread based on a Windows system and comprises: a thread function converting module, configured to convert a processing function of a Linux thread to a processing function of a corresponding Windows thread by resolving the processing function of the Linux thread; a thread data structure converting module, configured to convert a data structure applicable to the Linux thread to a data structure applicable to the corresponding Windows thread by resolving the data structure of the Linux thread; and a thread blocking management module, configured to process blocking of a Windows thread by performing a cyclic detection on the Windows thread running in the Windows system by means of a function conversion and a data structure conversion.

Abstract: An Android simulator and a method for implementing an Android simulator are provided, wherein the Android simulator comprises an Android virtual machine and an application running module; the Android virtual machine comprises a data converting unit and a running unit, wherein the data converting unit is configured to convert a data structure of Linux-based Android-related data to a data structure of Windows-based Windows-related data; the running unit is configured to establish and manage a thread and a signal of the Linux system in the Windows system, and manage a memory allocation of the Linux system in the Windows system; and the application running module is configured to run an application in the Android virtual machine running module.