61results about How to "Realize arbitrary switching" patented technology

The invention discloses a wireless input device and a switching method thereof, and a calculating apparatus. According to the invention, the drawback of cumbersome processes and the drawback of easy occurrence of misoperation that exist in the prior art in a process of implementing switching among a plurality of calculating apparatuses by using default mouse move actions are overcome. The wireless input device comprises: a transmitting module, wherein the transmitting module sends a frequency switching request message to a first calculating apparatus at a first working frequency; a receiving module, wherein the receiving module receives a frequency switching response message responded by the first calculating apparatus at the first working frequency; a switching module, wherein the switching module switches the first working frequency into a second working frequency at which the wireless input device operates a second calculating apparatus according to the frequency switching response message, and the wireless input device dose not operate other calculating apparatuses in a plurality of calculating apparatuses at other working frequencies in this process. Compared with the prior art, the device reduces cost, and the device is easy to carry and has simple operation.

The invention discloses an image edge extraction method and system based on the optical spin hall effect space optical field differentiator. The space optical field differentiator is simple in structure and wide in material selection range, large in wavelength response range, easy to prepare and integrate and the like, and the image edges are extracted and processed. According to the invention, the coherent light is used as a carrier to load the image information as an input light field, so that the input light field of p/s polarization state is obliquely incident on the interface of the two different media or the interface of the medium and the metal. Due to the optical spin hall effect, the reflection or transmission field of the corresponding s/p polarization state is used as a one-dimensional first-order space differentiation result of the input light field, so that the edge extraction processing of the image information is realized. The edge extraction method provided by the invention is a super-fast and real-time, the large-flux image processing method, and an important technical application prospect in medical and satellite image processing is provided.

The invention provides a refrigerator capable of automatically opening and closing a door, and the refrigerator comprises a refrigerator main body for forming a low-temperature storage space; a drawerdoor which is used for opening or closing the low-temperature storage space in a drawing manner; and a guide rail which is located between the refrigerator main body and the drawer door, wherein thedrawer door can be connected to the refrigerator main body in a sliding mode along the guide rail. The refrigerator further comprises an automatic door opening and closing assembly, and the drawer door automatically slides out of or slides into the refrigerator main body through the automatic door opening and closing assembly. According to the invention, through the automatic door opening and closing assembly, the driving gear drives the drawer door to be automatically opened in the whole process when powered on through an electromagnetic clutch, there is no need to open the door additionally,and full-automatic opening is completely achieved; the automatic door opening state and the conventional manual door opening and closing state of the refrigerator can be switched at will, the drivingassembly in the refrigerator with the automatic door opening and closing function is sealed through the shell, and meanwhile, the noise generated when the driving motor, the reduction gearbox and theelectromagnetic clutch work is effectively isolated.

The invention discloses an image edge extraction method and system based on a surface plasmon spatial light field differentiator. The conventional Fourier optical information processing is based on a lens system, wherein the lens system is large in structural size, and is not liable to be integrated. According to the invention, the surface plasmon spatial light field differentiator is designed, and the surface plasmon spatial light field differentiator is simple in design, wherein the thickness of the surface plasmon spatial light field differentiator is at a nanometer scale. The surface plasmon spatial light field differentiator is easy for large-scale preparation, can be integrated with a silicon-based device, and thereby achieves the processing of the image edge. The method comprises the steps: exciting the surface plasmon on a metal and medium interface based on the characteristics of a metal surface plasmon, controlling the spatial propagation leakage rate and the attenuation rate caused by the material loss to meet a critical coupling condition, and achieving the first-order differential processing of an inputted spatial light field, thereby completing the edge extraction of an input image. The edge extraction method provided by the invention is a superfast, real-time and large-flux image processing method, and is good in application prospect for medical and satellite image processing.

The invention discloses a quantum chip port impedance test device and a test method, and belongs to the field of quantum. The accurate and convenient quantum chip port impedance test device comprisesa lock-in amplifier, a relay array switching circuit, a quantum chip, an MCU controller and an upper computer. Each path of the relay array switching circuit is connected with each port of the quantumchip. The relay array switching circuit comprises a double-pole double-throw relay. The double-pole double-throw relay is connected with the MCU controller. The MCU controller is connected with the upper computer. The test method comprises the following steps: outputting and adjusting a signal of the lock-in amplifier to the minimum voltage, outputting and adjusting the signal of the lock-in amplifier to a test voltage value, opening a communication program of the upper computer, connecting ports, needing to be tested, of the quantum chip in sequence, and collecting the voltage data and the current data by using a lock-in amplifier program of the upper computer. The test device and the test method have the advantages of being high in testing efficiency and convenient to operate, and avoiding breakdown of the quantum chip.

The invention provides a reader control method. The method comprises the following steps: entering a reading interface of an electronic book in response to determining operation generated by a user specific to the electronic book on an electronic book interface; in the reading interface, realizing switching between an operation interface and a preview interface according to the magnitude of pressing force of the user when pressing on the reading interface by the user is detected. The invention further provides a reader control device. By adopting the reader control method and device, the functions of not shielding characters and operating conveniently during use of the reader by the user can be realized.

The invention relates to a network monitoring system of a gas station. The main technical characteristics are that the network monitoring system comprises local monitoring and remotely monitoring of the gas station. The local monitoring comprises video monitoring and warning protection. The system can immediately link panorama perimeter monitoring, records and monitors the spot of an accident once an abnormity is found out or an alarm signal hint appears; alarm and distress signals can be immediately sent to a public security bureau and a fire control unit so as to make a fast response; the remotely monitoring mainly comprises an oil corporation monitoring center and a public security bureau alarm command center; all monitoring points are intensively managed in a province oil corporation; important monitoring points of the gas stations in each city are recorded; an important image uploading function is achieved in the public security bureau alarm command center, and various monitoring resources are transparently accessed. The alarm signal of the system can be linked with a fire control part to achieve timely uploading of the alarm signal. The network monitoring system is reasonable in design, and the problems of concentrated management, coordinated monitoring, and the ability of coping with an emergency of the gas station are solved, so that the network monitoring system of each gas station plays a normal role, and the network monitoring system is simple and easy to set the network, convenient to manage and large in storage capacity, and can be widely applied.

The invention discloses a multi-wavelength space light field differential operation device based on a diffraction grating, and belongs to the field of optical information processing. The spatial lightfield differentiator designed by the invention has the advantages of capability of simultaneously working at multiple wavelengths, simple design, micro-nano device thickness, easiness in large-scalepreparation, capability of being integrated with a silicon-based device and the like. According to the invention, the waveguide mode in the dielectric waveguide layer is excited, and the transfer function of the device is linear, so that first-order differential processing is carried out on an input space light field. According to the invention, a plurality of different waveguide modes can be correspondingly excited at a plurality of wavelengths at the same time, and first-order spatial differential operation of a light field can be realized at the plurality of wavelengths at the same time. The multi-wavelength space light field differential operation device can be used for ultra-fast, real-time and large-flux image processing such as edge extraction, and has important technical application prospects in medical and satellite image processing.

The invention provides an FPGA (Field Programmable Gate Array)-based multi-channel video seamless switching system and an FPGA-based multi-channel video seamless switching method in order to solve thetechnical problems that the existing video switching technology based on a digital device is poor in video output time sequence stability, easy to lose video data and inconvenient to operate. The method comprises the steps of 1) sending synchronous pulse signals; 2) receiving N paths of video data including a video clock signal and video image data; 3) respectively preprocessing the received N paths of video data, so that the subsequent buffer isolation is carried out from the first pixel data of the first frame; 4) respectively buffering and isolating the N paths of video data; The method comprises the steps of (1) inputting video image data into a buffer isolation module, (2) respectively reading buffered and isolated video data, regenerating video enabling, and outputting the regenerated video enabling and the read video image data to a channel selection module, (6) receiving a video channel switching instruction, (7) gating a data channel corresponding to a data channel number, and (8) outputting the video image data by the gated data channel.

The embodiment of the invention discloses a flexible display panel and an electronic device, and the panel comprises a light-emitting device layer which comprises a plurality of light-emitting devices; a display area, comprising at least one first display area, a second display area and a bending area located between the first display area and the second display area. The flexible display panel further comprises a first pixel circuit layer and a second pixel circuit layer, and the first pixel circuit layer is located between the light-emitting device layer and the second pixel circuit layer. The first pixel circuit layer is arranged in the first display area and drives the light-emitting device of the first display area, and the second pixel circuit layer is arranged in the first display area and drives the light-emitting device of the second display area, or the first pixel circuit layer and the second pixel circuit layer are arranged in the bending area and drive the light-emitting device in the bending area. According to the embodiment of the invention, the bending performance is improved, and the damage caused by bending extrusion is avoided.

The invention provides a spot-adjustable laser cladding head. The laser cladding head mainly comprises a laser channel, a reflection mirror, a retroreflector and a cladding head main body, and is characterized by further comprising main components such as a focusing mirror, an integral mirror, an integral mirror fixing bracket, an integral mirror rotating shaft, a focusing mirror locking switch and an integral mirror locking switch and the like. According to the spot-adjustable laser cladding head, the position of the focusing mirror in the cladding head main body can be changed, so that the size of the cladding spot can be changed; the shape of the cladding spot can be changed by moving the integral mirror.

The invention discloses a data synchronization method and device, and relates to the technical field of computers. A specific embodiment of the method comprises the steps of storing to-be-updated service data into a cache; storing the changed service data in the cache into a current sliding window; and creating a new sliding window, taking the new sliding window as a current sliding window, and synchronizing the service data in the original sliding window to the database. According to the embodiment, the problems of high use cost and data loss can be solved.

The invention provides a magnetic regenerator, a cold accumulation bed, a magnetic refrigeration system and a magnetic refrigeration control method. The magnetic regenerator comprises a first magneticheating unit (33) and a second magnetic heating unit (32); the first magnetic heating unit (33) and the second magnetic heating unit (32) are arranged side by side; the first magnetic heating unit (33) comprises a single magnetic heating material; first connectors (31b) are formed in the two ends, in the fluid flowing direction, of the first magnetic heating unit (33); the second magnetic heatingunit (32) comprises multiple layers of magnetic heating materials; the multiple layers of magnetic heating materials are sequentially arranged in the fluid flowing direction; and second connectors (31a) are formed in the two ends, in the fluid flowing direction, of the second magnetic heating unit (32). According to the magnetic regenerator, the adaptability of the magnetic regenerator to the environment temperature can be improved, and the magnetic regenerator can be kept in a good working state within different temperature span ranges.

The present invention discloses a distributed VGA multimedia matrix based on meshwork and the work flow which relates to a VGA multimedia matrix field. The multimedia matrix includes an IP network (12) which is equipped with a server (11), a compressor (13) and a decompressor (14); the server (11) communicates with the IP network (12); a computer (20), the compressor (13), the IP network (12) and the decompressor (14) communicate orderly; the decompressor (14) connects with a display (30) and an audio power amplifier. The multimedia matrix realizes audio with multi-route and VGA signal switching random; the signal pathway is bore by the IP network which can solve problem of limited transmission distance caused by signal attenuation; the matrix expansion is simple and rapidly by using distribution type construction, and the actual switching capacity can reach M*500*M*500 (M represents server numer.

The invention relates to a single-power-source high-low-pressure self-adaptive high-precision dynamic and static loading test system which comprises a counter-force frame, a dynamic and static composite loading oil cylinder, a pressure-bearing jacking cover, a driving oil cylinder, a connecting rod, a power module and an oil tank. All parts of the counter-force frame are connected through mortise and tenon structures, borne acting force can be converted into pulling force of the front plate and the rear plate, and ultrahigh counter-force bearing is achieved. A return stroke cavity, an oil pressure cavity and an energy storage cavity are sequentially formed in the inner space of a cylinder body of the dynamic and static combined loading oil cylinder, a hollow loading rod is arranged in the cylinder body, an impact rod is movably arranged in the hollow loading rod, and combined loading of dynamic load, static load and disturbance load of different strain rates can be achieved. The power module comprises a sliding rail block, a wave tooth, a lead screw fixing flange, a lead screw and a servo motor, torque generated by the servo motor can be converted into vertical movement and vertical force of the lead screw, and original power is provided for the whole system. The vertical movement of the power module can realize high-precision minimum static load loading; the power module is matched with the dynamic and static combined loading oil cylinder, so that high-precision super-large static loading and dynamic and static coupling loading can be realized. According to the test device, random switching between high-precision extremely-small static load and dynamic load coupling loading and high-precision ultra-large static load and dynamic load coupling loading can be achieved by means of a single power source.

The invention provides an asphalt smoke treatment system, which relates to the technical field of asphalt smoke treatment, and aims at solving the technical problems of a single or unilateral asphaltsmoke treatment method adopted by an existing stirring station that the purification burden of a treatment device is easily overhigh, and the purification effect is not ideal. The invention relates tothe asphalt smoke treatment system, which comprises at least two smoke treatment branches which are arranged in parallel connection; each smoke treatment branch is provided with a switch and a smoketreatment module; and the smoke treatment module in at least one smoke treatment branch is used for removing smoke, and the smoke treatment module in the at least one smoke treatment branch is used for removing dust. By adopting the asphalt smoke treatment system, smoke and dust produced in the stirring station can be separately treated, the purification burden of the treatment device is alleviated, and the purification effect is relatively apparent.

The invention discloses a financial settlement interface switching system. The financial settlement interface switching system comprises a financial control module, a settlement interface switching module, and a financial terminal module. The financial control module is used for sending all data of new settlement finance to the settlement interface switching module; the settlement interface switching module is used for, according to interface switching or non-switching instructions from the financial terminal module, switching the financial terminal module to an interface of new settlement finance or keeping an original settlement financial interface; and the financial terminal module is used for collecting selection of financial staff upon the switching or non-switching instructions, and sends the switching or non-switching instructions to a settlement interface. The financial settlement interface switching system is advantageous in that, during financial settlement, when new settlement finance appears, a signal is automatically sent to a financial terminal, and according to selection of the financial staff, a financial settlement interface is switched to the interface of new settlement finance and the original settlement financial interface, and therefore, any switching of the financial settlement interface is achieved, work efficiency of financial settlement is greatly improved, and financial management is more standardized.

The invention discloses a vehicle-mounted charger, an integrated circuit of the vehicle-mounted charger, and an electric vehicle. The integrated circuit comprises a PFC module, a high-voltage AC sidepower switch module, an AC voltage transformation module, a mode switching module, a high-voltage DC side power switch module, a DC voltage transformation module, a low-voltage DC side power switch module and a main control module. And the main control module is used for controlling the mode switching module to switch the integrated circuit to a working mode according to an external triggering condition, including a charging mode, a discharging mode and a DC/DC working mode. According to the integrated circuit, the vehicle-mounted charger and the vehicle-mounted DC/DC are provided with respective independent transformers; and the vehicle-mounted charger transformer output side power circuit and the vehicle-mounted DC/DC input side power circuit are shared, so that the total weight of an integrated circuit is reduced by fully utilizing an integration technology, the size is reduced, the cost is reduced, the platformization of a product is easy to realize, the arrangement space of the whole vehicle is optimized on the whole, and the cost of the whole vehicle is reduced.

An automatic braking control valve for a tractor comprises braking valve block valve bodies, two-position three-way electric proportional pressure reducing valves and two-position three-way solenoid directional control valves. The two-position three-way electric proportional pressure reducing valves and the two-position three-way solenoid directional control valves are sequentially mounted on thesame side surfaces of the corresponding braking valve block valve bodies; each of the braking valve block valve bodies is provided with five oil ports: a first oil inlet port, a first working oil port, a pressure measuring oil port, a first oil return port and a fourth oil return port; the first working oil ports of the braking valve block valve bodies are connected to brakes; the fourth oil return ports of the braking valve block valve bodies are connected to a braking booster; the first oil return ports of the braking valve block valve bodies are connected to a fuel tank; and the pressure measuring oil ports of the braking valve block valve bodies are closed with screw plugs. The control valve can realize any switching between manual braking and automatic braking of the tractor. The automatic braking is flexible braking and can completely simulate the situation of a manual brake pedal. Braking valve blocks on left and right sides are independent of each other, and can not only work independently to achieve single-side braking but also work simultaneously to achieve brake linkage.