Abstract: A method for stopping a bicycle at intersection, applied in a bicycle system including a signal light command device, a signal controller, an electromagnet emitting device, and a bicycle having a magnet adsorption device. The method includes controlling, by the signal controller, the electromagnet emitting device to generate magnetic attraction force when a stoplight of the signal light command device is turned on; and attracting, by the electromagnet emitting device, the magnet adsorption device of the bicycle to decelerate or stop the bicycle. A bicycle system and a bicycle are also provided.

Abstract: A method for adjusting brightness of a display screen of a handheld electronic device in different orientations to suit the holder of the device and other viewers includes detecting a tilt angle of the electronic device by an angle sensor when the display screen is turned on, and determining the degree of tilt according to predetermined angle ranges. The method further includes detecting brightness of light at sensed orientations by turning on at least one of several light sensors and adjusting brightness of the display screen accordingly, for optimal viewing.

Abstract: A KTV player in communication with at least one song server is configured to upload a song list of a song database to the song server, obtain a song playback list from the song server, obtain corresponding music scores and pitch curves from the song server according to the song playback list, obtain corresponding songs according to the song playback list, display the songs in sequence on a display, and display the corresponding music scores and pitch curves on the display synchronously with the songs. The song playback list is sent by a mobile terminal in communication with the song server.

Abstract: A disassemble monitoring device of an electronic device includes a detecting unit, a one time programmable register, a storage, and a processor. The detecting unit is configured to detect whether the electronic device has been disassembled, and upon detecting that the electronic device has been disassembled, generate a detection signal. The one time programmable register is electrically coupled to the detecting unit and is configured to change a storage value of the one time programmable register in response to the detection signal. The storage value can only be changed once. The processor retrieves the storage value from the one time programmable register in response to a user operation and determines whether the storage value has been changed. Upon determining that the storage value has been changed, the processor confirms a result of determination that the electronic device has been disassembled and outputs the result of determination.

Abstract: A failure testing device implemented on an electronic device includes a detecting device and a processor. The detecting device detects environmental parameters of the electronic device. The processor controls the detecting device to detect the environmental parameters of the electronic device, obtains the environmental parameters detected by the detecting device, determines whether the obtained environmental parameters exceed a preset range, tests components and running conditions of the electronic device, and compares the test data and the environmental parameters to data from a database to determine a reason for failure of the electronic device. The database stores values of the environmental parameters which would cause the electronic device to fail, test data when the electronic device has failed, and causes of failure.

Abstract: A KTV player in communication with at least one song server is configured to upload a song list of a song database to the song server, obtain a song playback list from the song server, obtain corresponding music scores and pitch curves from the song server according to the song playback list, obtain corresponding songs according to the song playback list, display the songs in sequence on a display, and display the corresponding music scores and pitch curves on the display synchronously with the songs. The song playback list is sent by a mobile terminal in communication with the song server.

Abstract: A method for analyzing a motherboard for detecting an abnormally heated element of the motherboard includes placing the motherboard in a sealable container and powering on the motherboard, adjusting a temperature inside the sealable container to a predetermined temperature/temperature range, capturing a first image of the motherboard under ultraviolet light, capturing a thermal image of the motherboard, calibrating a position of the first image and the thermal image, combining the calibrated first image and the calibrated thermal image into a second image, and carrying out differential and image binarization processing on the second image and a template image to identify an abnormally heated element of the motherboard. A motherboard analysis device is also provided.

Abstract: A heat dissipation structure of an electronic device includes a casing, an upper motherboard located within the casing, a lower motherboard located within the casing and space apart from the upper motherboard, and a heat dissipation device located between the upper motherboard and the lower motherboard. The heat dissipation device extends out from between the upper motherboard and the lower motherboard to contact the casing. Between the upper motherboard and the lower motherboard is located a plurality of heat generating components directly in contact with the heat dissipation device, so that heat generated by the heat generating components is dissipated to the casing.

Abstract: An apparatus and method for determining time-dependence failure under constant temperature through high pressure true triaxial loading for hard rock, includes a pressure chamber and four actuators, wherein a sample bearing platform is arranged in a center of the pressure chamber, a sample bearing and containing chamber is arranged in a center of the sample bearing platform, and a confining pressure loading oil supply hole is formed in the sample bearing platform, and communicates with a confining pressure loading injection pump; each actuator includes a sealing cover, an annular end cover, a counter-force cylinder barrel, a piston, a piston rod, a sealing flange and a stress loading injection pump; a heating coil is arranged in the pressure chamber; a force sensor is fixedly mounted at the end part of the piston rod; and a pressure sensor is mounted in the sample bearing platform.

Abstract: An electronic device includes a display screen, a communication unit, a processor, and a storage. The display screen displays a lost-and-found interface when the display screen is in a lock-screen state. Personal information input by the finder into the lost-and-found interface and identification information of the electronic device are obtained. The personal information input by the finder and the identification information of the electronic device are sent to a lost-and-found tracking device in communication with the electronic device. The lost-and-found tracking device obtains personal information of an owner of the electronic device according to the identification information of the electronic device and determines a method for returning the electronic device to the owner according to the personal information of the finder and the personal information of the owner.

Abstract: A disassemble monitoring device of an electronic device includes a detecting unit, a one time programmable register, a storage, and a processor. The detecting unit is configured to detect whether the electronic device has been disassembled, and upon detecting that the electronic device has been disassembled, generate a detection signal. The one time programmable register is electrically coupled to the detecting unit and is configured to change a storage value of the one time programmable register in response to the detection signal. The storage value can only be changed once. The processor retrieves the storage value from the one time programmable register in response to a user operation and determines whether the storage value has been changed. Upon determining that the storage value has been changed, the processor confirms a result of determination that the electronic device has been disassembled and outputs the result of determination.

Abstract: A high-pressure true triaxial test apparatus with capacity of low-frequency disturbance and high-speed impact includes static and dynamic loading frames, four static loading actuators, two dynamic loading actuators and an SHPB mechanism, wherein all actuators are connected with a hydraulic station system; a hollow way is formed in the axial center of each piston shaft of the dynamic loading actuators, a dynamic pressure sensor adopting a hollow ring structure is mounted at the end part of each piston shaft, and the SHPB mechanism applies a high-speed impact load on a rock sample through the dynamic pressure sensors respectively; and the dynamic loading actuators adopt a static pressure oilway balance support sealing manner and are connected with the hydraulic station system, each oilway is provided with an energy accumulator, and flow is increased by the servo valves to drive pistons to perform dynamic response.

Abstract: A system for image production in a KTV setting uses more than one display screen, a first screen for displaying a star MV and a song menu and a second screen for images of a singer as captured by cameras within the KTV setting. The system includes a capturing unit and a processing unit. The capturing unit captures images of the singer. The processing unit produces a singer MV according to the images of the single or plurality of singers, which can be enhanced with special effects, and displays the singer MV on the second screen.

Abstract: A casing of an electronic device includes a shell composed of a number of unit bodies arranged in a number of unit body layers. Each of the unit bodies is a hollow structure including a main portion and two end portions. The two end portions are located at opposite ends of the main portion. The main portion is a hollow hexagonal column. Each of the end portions includes three rhomboid faces extending from the main portion and forming a tip. The unit body layers are arranged such that the tips are staggered.

Abstract: A method applied to a pedestrian user terminal for road safety includes detecting whether a display device of the user terminal is in an active mode when predetermined signals are received by the user terminal. A prompt can be transmitted when the display device is in the active mode thus providing a warning to the pedestrian user to cross the road, on the display device he or she is viewing. The display device is deactivated when the display device is determined to be still in the active mode after a predetermined time period that starts from the prompt is transmitted.

Abstract: A casing of an electronic device includes a shell composed of a number of unit bodies arranged in a number of unit body layers. Each of the unit bodies is a hollow structure including a main portion and two end portions. The two end portions are located at opposite ends of the main portion. The main portion is a hollow hexagonal column. Each of the end portions includes three rhomboid faces extending from the main portion and forming a tip. The unit body layers are arranged such that the tips are staggered.

Abstract: An apparatus and method for determining time-dependence failure under constant temperature through high pressure true triaxial loading for hard rock, includes a pressure chamber and four actuators, wherein a sample bearing platform is arranged in a center of the pressure chamber, a sample bearing and containing chamber is arranged in a center of the sample bearing platform, and a confining pressure loading oil supply hole is formed in the sample bearing platform, and communicates with a confining pressure loading injection pump; each actuator includes a sealing cover, an annular end cover, a counter-force cylinder barrel, a piston, a piston rod, a sealing flange and a stress loading injection pump; a heating coil is arranged in the pressure chamber; a force sensor is fixedly mounted at the end part of the piston rod; and a pressure sensor is mounted in the sample bearing platform.

Abstract: A method for analyzing a motherboard for detecting an abnormally heated element of the motherboard includes placing the motherboard in a sealable container and powering on the motherboard, adjusting a temperature inside the sealable container to a predetermined temperature/temperature range, capturing a first image of the motherboard under ultraviolet light, capturing a thermal image of the motherboard, calibrating a position of the first image and the thermal image, combining the calibrated first image and the calibrated thermal image into a second image, and carrying out differential and image binarization processing on the second image and a template image to identify an abnormally heated element of the motherboard. A motherboard analysis device is also provided.

Abstract: A high-pressure true triaxial test apparatus with capacity of low-frequency disturbance and high-speed impact includes static and dynamic loading frames, four static loading actuators, two dynamic loading actuators and an SHPB mechanism, wherein all actuators are connected with a hydraulic station system; a hollow way is formed in the axial center of each piston shaft of the dynamic loading actuators, a dynamic pressure sensor adopting a hollow ring structure is mounted at the end part of each piston shaft, and the SHPB mechanism applies a high-speed impact load on a rock sample through the dynamic pressure sensors respectively; and the dynamic loading actuators adopt a static pressure oilway balance support sealing manner and are connected with the hydraulic station system, each oilway is provided with an energy accumulator, and flow is increased by the servo valves to drive pistons to perform dynamic response.

Abstract: A method applied to a pedestrian user terminal for road safety includes detecting whether a display device of the user terminal is in an active mode when predetermined signals are received by the user terminal. A prompt can be transmitted when the display device is in the active mode thus providing a warning to the pedestrian user to cross the road, on the display device he or she is viewing. The display device is deactivated when the display device is determined to be still in the active mode after a predetermined time period that starts from the prompt is transmitted.