48results about How to "Achieve mutual compatibility" patented technology

The invention provides a posting/subscribing system for adding message queue models and a working method of the posting/subscribing system. The system comprises a distributed message-oriented middleware server-side cluster, a client-side cluster and a distributed coordinate server cluster. Service nodes in the message-oriented middleware server-side cluster are composed of corresponding modules of an original posting/subscribing system, and the function of the message-oriented middleware server-side cluster is the same as the information transferring relation; a client side is simultaneously provided with a calling interface of a posting/subscribing model and a calling interface of a message queue model which are used for achieving the purpose that a user can select and use the two different message transferring models directly without transforming the bottom layer middleware, so that a coordinate service module and a message processing module are additionally arranged on the client side based on an original framework. The system supports the posting/subscribing message transferring model and the message queue message transferring model simultaneously and guarantees that the availability, flexibility and other performance of the two models are all within the acceptable range, and the problem that it is difficult to transform the bottom layer message transferring model for the user is better solved.

In an operating system having a first controller configured to manage one or more robots included in a first region, and a second controller configured to manage one or more robots included in a second region adjacent to the first region, a method for enabling the second controller to acquire an operation right of N robots (where N is a natural number equal to or greater than 1) operated by the first controller, the method includes: transmitting a control mapping status (CMS) containing an operation right change message to the first controller, upon reception of an operation right request signal from a user of the N robots; and checking a connection status of the N robots, upon reception of the CMS containing the operation right change message from the first controller, and acquiring an operation right by providing CMS acquisition information and control mapping information to the robots included in the second region.

The invention discloses a dual trapped wave flat ultra wideband antenna which consists of a medium substrate (1), a radiation unit (2) and a signal feed band wire (3), wherein a circular complementation opening resonance ring (CSRR) structure (4) is arranged on the radiation unit; the signal feed band wire is provided with a slot shaped like the Chinese character shan (5); the radiation unit and the signal feed band wire are both printed at the upper surface of the medium substrate; the radiation unit is positioned in the middle of the medium substrate; a feeder is led to the radiation unit from the margin of the medium substrate and connected with the same, and a grounding surface is printed at the lower surface of the medium substrate. The dual trapped wave flat ultra wideband antenna is compact in structure and small in size, trapped wave frequency can be regulated by changing the size and position of the slot shaped like the Chinese character shan and the circular complementation opening resonance ring (CSRR) structure, and the problem of same frequency interference of an ultra wideband communication system is solved.

The invention discloses an application program interface calling method, which comprises the following steps of: receiving an application program interface calling request, and analyzing the application program interface calling request to obtain an application program interface to be called and a corresponding application program name; judging whether the to-be-called application program interface is an Internet of Things platform application program interface or not; if yes, searching an application identifier and an application private key corresponding to the application name from a remotedictionary service database, obtaining a corresponding Internet of Things platform access token by utilizing the application identifier and the application private key, and calling a to-be-called application interface by utilizing the Internet of Things platform access token; and if not, calling the to-be-called application program interface. According to the invention, the mutual compatibility of the application program interface of the Internet of Things platform and the application program interface of the third-party service is realized, and the influence on data access between the Internet of Things platform and the third-party service is avoided. The invention further discloses an application program interface calling device and equipment and a storage medium, and the correspondingtechnical effects are achieved.

The invention relates to a virtual keyboard generation method as well as a Sanskrit input method and system. The virtual keyboard generation method comprises the following steps of: S1, receiving a signal input by a user through a primary virtual keyboard, wherein the primary virtual keyboard at least comprises 14 vowel sign keys, 36 consonant sign keys and extended function keys of Sanskrit Devanagari; and S2, detecting a key type corresponding to the input signal, and generating a secondary virtual keyboard or a touch keyboard or a candidate list item according to the key type. According to the virtual keyboard generation method as well as the Sanskrit input method and system, a screen keyboard input method which uses a Devanagari screen keyboard and can input IAST (Roman transformation of Sanskrit) and Chinese Pinyin signs at the same time, so that the visualized input process of learning Hindi or Sanskrit by the users in non-Hindi countries is solved, and the problem that the local Hindi users can write but cannot say is also solved.

The invention discloses a ball rotating shaft structure capable of converting the degree of freedom and having dynamic balance. A ball rotating shaft comprises an outer shell which can accommodate the ball rotating shaft to rotate in an inner cavity, a non-slip ring and an elastic push block; the ball rotating shaft is characterized by being divided into a left part, a middle part and a right part, the left part is provided with a torsional spring clamping groove and a convex shaft, the outer side of the middle part is provided with a torsional spring clamping groove and a round hole, the convex shaft of the left part can penetrate through the round hole to be fixedly connected with a screw hole of the right part, and then a complete spherical body can be formed and makes contact with the non-slip ring according to the principle that the areas of the left part and the right part are large, and the larger tightness degree range and the positioning effect are generated; as the area of the middle part is small, the effect of delaying resistance is achieved, movable shooting and dynamic balance operation can be carried out, when the middle part needs to be locked and fixed, the middle part can be locked and fixed by adjusting a locking push block knob, the two-degree-of-freedom and three-degree-of-freedom conversion of universal positioning mobile shooting and the dynamic balance effect are achieved, and the ball rotating shaft has the advantages of being easy to convert and convenient to operate.

The invention provides a DVS voltage management device, system and method, a storage medium and a computer device. The device comprises a state monitoring unit, a hardware active trigger control unit,a register unit, a software trigger control unit, an arbiter, a state machine and an I2C controller. The state monitoring unit is used for converting a voltage domain state signal into an LPI standard signal; the hardware active trigger control unit is configured to generate a first voltage domain control instruction according to the LPI standard signal; the register unit is used for storing an operation instruction; the software trigger control unit is used for performing the operation instruction and generating a second voltage domain control instruction; the arbiter is used for selecting afirst or second voltage domain control instruction; the state machine is used for controlling the I2C controller; and the I2C controller is used for operating a power management integration circuit under control of the state machine. Therefore, on the basis of combination of the software with the hardware, the chip voltage management is carried out; and the power consumption is low and the compatibility is high.

The invention discloses a G-shaped structure based dual-frequency wave-trapping ultra-wide-band antenna with a wave trapping characteristic under WLAN dual-band signals. The antenna comprises a dielectric substrate (1), radiation patch units (2) and (3), a microstrip transmission line (4), and a grounding surface (5), wherein the radiation units and the microstrip transmission line are printed on the upper surface of the dielectric substrate. The antenna is compact in structure, small in size, capable of realizing the dual-band signal wave trapping characteristic, capable of adjusting the wave-trapping frequency by changing the dimensions of a C-shaped structural groove, and capable of solving the problem of same-frequency interference of an ultra-wide-band communication system.

The invention discloses a protocol conversion system for light control. The system comprises a database establishing module, a protocol receiving module, a protocol conversion module and a control output module, wherein the database establishing module is used for establishing a protocol database according to standard control protocol data and standard light protocol data; the protocol receiving module is used for receiving and sending light protocol data or control protocol data; the protocol conversion module is used for performing conversion operation on the light protocol data or the control protocol data according to the data in the protocol database to obtain readable control protocol data or readable light protocol data; and the control output module is used for sending the readablecontrol protocol data or the readable light protocol data to corresponding central control equipment or light equipment. The invention further discloses a protocol conversion method for light control. The method is advantaged in that a problem that a control protocol and a light protocol are not unified and cannot be deeply applied can be effectively solved.

The invention discloses an ultra wide band antenna with trapped wave features. The ultra wide band antenna comprises a medium base plate (1), a radiation unit (2), a coplane waveguide signal feeding belt line (3) and a coplane waveguide grounding surface (4), wherein a U-shaped groove (5) is formed in the signal feeding belt line. The radiation unit, the coplane waveguide signal feeding belt line and the coplane waveguide grounding surface are printed on the upper surface of the medium base plate, the radiation unit is positioned in the middle part of the medium base plate, the coplane waveguide signal feeding belt line is led to the radiation unit from the medium base plate from the edge of the medium base plate and is connected with the radiation unit, the coplane waveguide grounding surface consists of two approximately trapezoidal metals, the two approximately trapezoidal metals are respectively and fixedly arranged at the two sides of the coplane waveguide signal feeding belt line, and gaps are formed between the metals and the belt line. The ultra wide band antenna has the advantages that the structure is compact, the dimension is small, the structure is ingenious, the trapped wave frequency can be regulated through changing the dimension and the position of the U-shaped groove, and the problem of same-frequency interference of an ultra wide band communication system is solved.

The invention discloses a car roof turnover movable door mechanism of a cab and relates to the technical field of car roof structures of rail cars. The car roof turnover movable door mechanism of thecab comprises an air deflector, a sealing frame, two hinges, two connection seats, two hinged seats, two supporting seats and two quick-locking type screws. The car roof turnover movable door mechanism of the cab has the beneficial effects that the air deflector can be turned over forwards conveniently through the hinges; after the air deflector is opened, an air conditioner on the top of the cabcan be disassembled, assembled and overhauled; after the air deflector is closed, the movable door mechanism can be locked through the quick-locking type screws; and thus, operation is convenient andrapid, the disassembly, assembly and overhaul efficiency of the air conditioner of the cab is improved, mutual compatibility of the car roof air deflector and the air conditioner of the cab is achieved, and the repair and maintenance requirements of the air conditioner on the top of the cab are met.