Abstract: A fully electrically controlled intelligent subsurface safety valve is provided, including an upper joint, a lower joint, a magnetic switch, an upper electromagnetic suction module, a central flow pipe, a magnetic piston ring, a lower electromagnetic suction module, a rebound flap valve mechanism, a displacement sensor, a temperature and pressure sensor, a flow sensor, and a power communication composite cable connector. With the magnetic assisted reset of the two electromagnetic suction modules, the safety valve closes more quickly in emergency situations, improving the reliability of the safety valve. By using a magnetic excitation switch, the safety valve can be quickly opened and closed, and the open or close state can be maintained independently, saving energy consumption in the control system. The present disclosure can better meet the needs of onshore and offshore oil and gas production operations and gas storage operations.

Abstract: A test system for testing various functions of electronic devices includes a master device and a simulation control device. The master device is connected to an input device and the electronic devices through the simulation control device. The master device records input signals of the input device and generate simulation signals according to the input signals. The simulation control device simulates the input signals of the input device according to the simulation signals to test the electronic devices.

Abstract: A test system for testing various functions of electronic devices includes a master device and a simulation control device. The master device is connected to an input device and the electronic devices through the simulation control device. The master device records input signals of the input device and generate simulation signals according to the input signals. The simulation control device simulates the input signals of the input device according to the simulation signals to test the electronic devices.

Abstract: A Universal Serial Bus (USB) port tester for testing a USB port of an electronic device includes an interface unit, a current-testing unit, and a voltage-testing unit. The interface unit is used for electrically connecting with the USB port of the electronic device and a USB device. The current-testing unit is connected to the interface unit for testing quality of the USB port of the electronic device in a standard current range. The voltage-testing unit is connected to the interface unit for testing quality of the USB port of the electronic device in a standard voltage range.

Abstract: A Universal Serial Bus (USB) port tester for testing a USB port of an electronic device includes an interface unit, a current-testing unit, and a voltage-testing unit. The interface unit is used for electrically connecting with the USB port of the electronic device and a USB device. The current-testing unit is connected to the interface unit for testing quality of the USB port of the electronic device in a standard current range. The voltage-testing unit is connected to the interface unit for testing quality of the USB port of the electronic device in a standard voltage range.

Abstract: The present invention relates to a device for preparing assay samples using a number of microscope slides. Each slide has a number of assay reaction surface locations spaced on the planar surface of the slide. In preferred embodiments, the device comprises, in part, a microscope slide holder that has the exterior dimensions of a SBS standard microplate, such as a 96 well plate. The device accepts conventional microscope slides equipped with sixteen microarray surfaces spaced nine millimeters apart on center, or four for a 96 well plate. Individual chamber plates are placed on top of the slides, creating an individual well above each assay reaction surface location. In preferred embodiments, each assay reaction surface location can comprise a microarray of multiple reactive sites. Thus, parallel processing can be done of samples for genomic or proteomic profiling.