Abstract: An optical module comprising: a plurality of active optoelectronic components each one mounted on a respective printed circuit board (PCB), wherein each active optoelectronic component is associated with a respective different optical channel; a plurality of optical assemblies, each one is substantially aligned over a different respective optical channel; and a spacer separating the active optoelectronic components and PCBs from the optical assemblies, wherein the optical assemblies are attached by adhesive directly to an optical assembly-side surface of the spacer. A first active optoelectronic component is separated, by the spacer, from a first optical assembly by a first distance and a second active optoelectronic component is separated, by the spacer, from a second optical assembly by a different second distance.

Abstract: A warning system for high speed approaching detection, includes a statically placed detection device a warning device electrically connected with the detection device. The detection device applies a radar detection module and a central processing module to detect and calculate the speed or distance of an approaching object, and determines if a risk threshold value is exceeded through a threshold determination unit, so as to send the warning by the warning device. The warning system is applicable to a statically placed traffic cone or warning sign for notifying the user of a fast approaching object through the warning device, thereby preventing or reducing possible damage. Also, the present invention is applicable to roadside check for the police, so as to reduce the risk of damage due to an unaware dashing of vehicles during the roadside check execution.

Abstract: A liquid cooling system for a server includes a heat pipe and a displacement appendage fluidly coupled to the heat pipe. The displacement appendage includes a displacement element which is compressible under pressure.

Abstract: Various optoelectronic modules are described that include an optoelectronic device (e.g., a light emitting or light detecting element) and a transparent cover. Non-transparent material is provided on the sidewalls of the transparent cover, which, in some implementations, can help reduce light leakage from the sides of the transparent cover or can help prevent stray light from entering the module. Fabrication techniques for making the modules also are described.

Abstract: A data transmitting device capable of configuring different operating frequencies for use by a tire pressure monitoring detector includes: a standard oscillator; a phase locked loop including a phase frequency comparator, a filter, and a pressure-controlling oscillator; a microcontrol unit electrically connected to the standard oscillator and the phase frequency comparator and adapted to store a first ratio and a second ratio; and a signal output unit electrically connected to the output end of the pressure-controlling oscillator and the microcontrol unit. The microcontrol unit allows a user to select and send the first or second ratio to the phase frequency comparator. The phase locked loop generates a target frequency signal according to the first or second ratio selected by the user. The microcontrol unit sends a data to the signal output unit, and the signal output unit outputs the data according to the frequency of the target frequency signal.

Abstract: A method of building vehicle data in a tire pressure diagnosis tool includes: building owner information in the tire pressure diagnosis tool; entering a vehicle identification number and a tire identification number; and obtaining a tire pressure sensor identification number and a tire environment parameter value, wherein complete linking data pertaining to every owner identity and vehicle status are built in a tire pressure diagnosis tool to not only enable automobile manufacturers and automobile repair shops to effectuate vehicle maintenance and management conveniently, but also provide vehicle identification numbers and tire identification numbers to a competent authority timely and as needed.

Abstract: A fixing element adapted for a tire pressure monitoring device includes a base, a locking portion, and two stop blocks. The base includes a first plate and two second plates. The second plates are connected to two corresponding lateral sides of the first plate respectively to give the base an elongated shape. The bottom side of the base can be tightly attached to the rim of a wheel. The body portion of each second plate is penetrated by an aperture through which an annular member can pass. The locking portion has a through hole. A fixing member can pass through the through hole and be fixed to the tire pressure monitoring device. The two stop blocks are provided on the two second plates of the base respectively. The fixing element allows the tire pressure monitoring device to stay in a fixed state.

Abstract: A wireless communication device includes a transceiver and processing circuitry. The transceiver is configured to establish a telecommunication connection to a network server. The processing circuitry is coupled to the transceiver. The processing circuitry is configured to monitor application programs executed by the processing circuitry. One of the application programs is executed as a foreground application. The processing circuitry is further configured to compare connection parameters of the telecommunication connection established by the transceiver with a connection standard. In response to the foreground application currently communicating with the network server through the telecommunication connection and the connection parameters being lower than the connection standard, the processing circuitry is further configured to limit performance of the processing circuitry, or change a mobile network protocol utilized the transceiver to establish the telecommunication connection.

Abstract: A fixing element adapted for a tire pressure monitoring device includes a base, a locking portion, and two stop blocks. The base includes a first plate and two second plates. The second plates are connected to two corresponding lateral sides of the first plate respectively to give the base an elongated shape. The bottom side of the base can be tightly attached to the rim of a wheel. The body portion of each second plate is penetrated by an aperture through which an annular member can pass. The locking portion has a through hole. A fixing member can pass through the through hole and be fixed to the tire pressure monitoring device. The two stop blocks are provided on the two second plates of the base respectively. The fixing element allows the tire pressure monitoring device to stay in a fixed state.

Abstract: Various optoelectronic modules are described that include an optoelectronic device (e.g., a light emitting or light detecting element) and a transparent cover. Non-transparent material is provided on the sidewalls of the transparent cover, which, in some implementations, can help reduce light leakage from the sides of the transparent cover or can help prevent stray light from entering the module. Fabrication techniques for making the modules also are described.

Abstract: A server backup method and a backup system using the server backup method are provided. The server backup method includes continuously collecting a plurality of dirty pages during a running operation and determining a backup start time point according to a quantity of the collected dirty pages. The server backup method also includes suspending the running operation according to the backup start time point and executing a backup snapshot operation to generate a data backup snapshot corresponding to the dirty pages, and executing a backup transmission operation to transmit the data backup snapshot.

Abstract: A programming control method for a servo fan and a programming control device thereof are provided in the embodiment of the invention. The programming control device is coupled to a motor. The programming control device includes an input/output interface, a micro processing unit and a function circuit. The function circuit is coupled to the input/output interface and the micro processing unit. The function circuit updates the firmware according to a magnitude of an operation voltage.

Abstract: A tire pressure monitoring system includes a main unit carried in a motor vehicle having one or multiple vehicle tires, and a tire pressure sensor installed in each vehicle tire of the motor vehicle and electrically connected to the main unit through a wireless communication SoC (system-on-chip) therein in a wireless manner. The wireless communication SoC of each tire pressure sensor includes a first communication protocol and a second communication protocol the related data of the respective vehicle tire. Thus, the tire pressure monitoring system improves data signal transmission efficiency and achieves dual-mode transmission.

Abstract: A server device, a client device and a dynamic image transmission method for a virtual desktop infrastructure are provided. The dynamic image transmission method for the virtual desktop infrastructure includes the following steps. A region information of a dynamic image displayed on a server device is detected by the server device. The region information is transmitted to a client device by the server device. The dynamic image is rendered on the client device according to the region information. The dynamic image is obtained from an Internet by the client device according to a network link information obtained from the server device, or the dynamic image is obtained by decompressing a compressed data provided from the server device.

Abstract: A server device, a client device and a dynamic image transmission method for a virtual desktop infrastructure are provided. The dynamic image transmission method for the virtual desktop infrastructure includes the following steps. A region information of a dynamic image displayed on a server device is detected by the server device. The region information is transmitted to a client device by the server device. The dynamic image is rendered on the client device according to the region information. The dynamic image is obtained from an Internet by the client device according to a network link information obtained from the server device, or the dynamic image is obtained by decompressing a compressed data provided from the server device.

Abstract: A method and a system for calibrating a plurality of surveillance cameras are provided. The method includes: sampling a plurality of first images in a monitoring scene of the plurality of surveillance cameras by a sampling device and sampling a second image by each of the plurality of surveillance cameras; performing a feature matching on the plurality of first images to obtain a matching result between the plurality of first images; reconstructing a three-dimensional point set of the monitoring scene according to the matching result between the plurality first of images; and calculating parameters of each of the plurality of surveillance cameras according to the three-dimensional point set and the second image sampled by each of the plurality of surveillance cameras.

Abstract: A server backup method and a backup system using the server backup method are provided. The server backup method includes continuously collecting a plurality of dirty pages during a running operation and determining a backup start time point according to a quantity of the collected dirty pages. The server backup method also includes suspending the running operation according to the backup start time point and executing a backup snapshot operation to generate a data backup snapshot corresponding to the dirty pages, and executing a backup transmission operation to transmit the data backup snapshot.

Abstract: A TPMS (tire pressure monitoring system) sensor setting method is disclosed to use a setting tool for selecting the ID codes of multiple TPMS sensors and burning a communication protocol into the multiple selected TPMS sensors at a time, significantly shortening the operation time.

Abstract: A wireless communication device includes a transceiver and processing circuitry. The transceiver is configured to establish a telecommunication connection to a network server. The processing circuitry is coupled to the transceiver. The processing circuitry is configured to monitor application programs executed by the processing circuitry. One of the application programs is executed as a foreground application. The processing circuitry is further configured to compare connection parameters of the telecommunication connection established by the transceiver with a connection standard. In response to the foreground application currently communicating with the network server through the telecommunication connection and the connection parameters being, lower than the connection standard, the processing, circuitry is further configured to limit performance of the processing circuitry, or change a mobile network protocol utilized the transceiver to establish the telecommunication connection.