144results about How to "Easy function extension" patented technology

The invention provides an address allocating method for wideband wireless access system, comprising the steps of: when connecting to network, mobile terminal sends user/equipment authentication request to AAA (Authentication,Authorization and Accounting) server; after the authorization succeeds, the mobile terminal sends registering request to access gateway; the mobile terminal completes registering, the access gateway obtains mobile terminal-supported IP address allocating mode according to the user configuration information returned after the authorization succeeds; the access gateway replaces the mobile terminal as DHCP Client to send IP address allocating request to DHCP server or does not request IP address but waits for the mobile terminal to actively request IP address; the DHCP server allocates IP address to corresponding MAC address, the access gateway transfers the allocated IP address to the mobile terminal and the mobile terminal completes local address binding. And it reduces implementing difficulty and cost, reduces system overhead and speeds up switching.

A wind-electric set control system includes the center controller PLC, the intermediate relay panel, the soft merge network control panel, the display operation panel and the connector. The center controller PLC mainly includes CPU module 315-2DP, digital input module DI, digital output module D0, high-speed counter module FM350-2, analog input module AI, communication module CP340; the intermediate relay panel comprises a number of DC coil relays. The intermediate relay panel and the soft merge network control plane respectively connect with the input and output modules of the center controller PLC, and connect with the controlled object through connector. The system uses the intermediate relay panel to isolate the input/output signal, which improves the resist interference ability of the system. The soft merge network control uses current-limit soft-cut-in control strategy, to make the merge network processing more stable. This invention limits the merge network number of the small motor in one hour, which cleverly solves the small stop problem of the wind-electric set, and it uses PROFIBUS field bus technology to communicate with the central monitor computer.

The invention discloses a method and a device for testing a microcomputer control system of a diesel locomotive. A CAN bus or a serial bus is used for communication with an host computer to receive a test command from the host computer, and an inter CAN bus is used to receive the test command and transmits the test command to internal signal generation modules which generate a corresponding test signal according to the test command and transmit the test signal to equipment to be tested through an adapter cable; a signal detection module of a testing device detects an output signal of the equipment to be tested and transmits the output signal to a CPU board through the CAN bus, and the CAN bus or serial bus transmits the output signal to the host computer; and the host computer compares a given signal with the detected signal to realize the fully automatic closed loop test of the equipment to be tested. The fully automatic closed-loop test is a fully automatic loop test of the equipment to be tested which is implemented in a way that: the inside of the testing device adopts a distribution type module based on the CAN bus, the CPU board is connected with a digital quantity input and output board, a frequency board, a constant-current source board and a DA board through the internal CAN bus, and the testing device uses the external CAN bus or serial bus of the CPU board to communicate with the host computer and to realize the automatic circulating test of the equipment to be tested.

The invention discloses a method and a device for realizing on-screen display (OSD) of characters. The method comprises the following steps of: downloading dot matrix information corresponding to the common tag characters and the characters in an American standard code for information interchange (ASCII) character bank to a digital signal processor (DSP) memory; storing the dot matrix information corresponding to characters in a wide-byte character bank in a memory of a host; receiving an OSD display command and judging the types of to-be-displayed OSD characters; if the to-be-displayed OSD characters are the common tag characters and/or belong to the ASCII characters in the ASCII character bank, acquiring the dot matrix information corresponding to the to-be-displayed OSD characters from the memory of the DSP; if the to-be-displayed OSD characters are the characters in the wide-byte character bank, downloading the dot matrix information corresponding to the character from the memory of the host to the memory of the DSP; and uploading the dot matrix information corresponding to the to-be-displayed OSD characters to a video image to display. By using the method and the device, the required dot matrix character bank does not need to be downloaded to the memory of the DSP in advance.

The invention discloses a dual-frequency dual-polarized printing antenna. The antenna comprises a medium board, a radiation unit, a feed structure and an earthing board, wherein the disc-shaped medium is divided into an upper medium board and a lower medium board; the radiation unit is printed on the upper surface of the upper medium board; the feed structure is printed on the upper surface of the lower medium board; the feed structure is integrated by a disc loaded probe coupled feed structure in the center of the medium board and a microstrip line coupled feed structure along the radius direction; and the earthing board is printed on the lower surface of the lower medium board. The antenna is easy for wearing, can be integrated with other portable equipment, and does not have the problems of buckling, shrinkage, wrinkle and the like.

The invention provides a data processing method and device for a POS machine. The data processing method for the POS machine includes reading card information pre-stored in a chip card in transaction with the POS machine, wherein the card information includes information of a set of programs used for processing transaction data of the chip card; operation one or more transaction program for transaction data calculation and transmission according to the chip information and the current transaction wherein the transaction program is among the program set and is matched with the current transaction. According to the invention, the POS machine can realize processing of transaction data of chip cards of different types through operating different transaction programs, so that convenience for a user who uses bank cards for consumption is improved and transaction cost of shops is reduced.

The invention provides a scram control circuit, and a scram way comprises a remote control scram and a close control scram. The scram control circuit comprises a power supply; a receiver, which is used to receive remote control scram signals transmitted by a transmitter of a remote controller; a close control scram trigger element, which is used for receiving close control scram trigger signals; a selective switch, which is used to select the scram ways after receiving operation instructions; a changing switch, which is used to control the power supply state of the power supply used as the receiver according to the scram way selected by the selective switch, and is used to switch the transmission lines of the remote control scram signals and the close control scram trigger signals according to the scram way; and a controller, which is used for the scram control according to the remote control scram signals or the close-control scram trigger signals. The scram control circuit is advantageous in that the occupied input ends of the controller are less, the later function extension can be facilitated, the electric energy waste of the receiver of the remote controller can be reduced, and the scram signals can be easily controlled in an integrated manner. The invention also provides a pumper having the control circuit, and a scram control method.

The embodiment of the invention discloses a client version upgrading method and device. The method comprises the following steps of obtaining the current version information of a client, and the latest version information of the client in a client publishing platform; and in accordance with the obtained current version information of the client and the latest version information of the client in the client issuing platform, downloading the client of the latest version according to the latest version information when the condition that the client needs version updating is determined. The method and the device provided by the embodiment of the invention have the advantages that the function expansion is facilitated; the cost resource waste can be avoided; the user experience is improved; and the application scenes are wide.

The invention discloses a plug-in software designing method based on a document tree and a message pump. The method comprises the following steps of: splitting software into a plurality of plug-ins according to functions, wherein each plug-in corresponds to one or more functional modules and is divided into a model layer, a view layer and a control layer; and extracting data and documents in the model layers of all the plug-ins to form a management document with a tree structure. By the method, communication between the modules is quickened and simplified, and extensibility and maintainability of a system are improved. On the aspect of view management of the plug-ins, views are uniformly managed by adopting a framework container; and by the method, as long as the document data of a new plug-in are derived from the same base class, the document can be connected to the document tree, so that extension of the software functions is facilitated.

The present invention relates to a motorcycle intelligent control system. Said system is mainly composed of signal processing unit, signal conversion unit and main control unit. Said signal processing unit is connected with speed sensor, transmission display circuit and engine pulse coil; the signal conversion unit is connected with shifting actuator contact-connection component displacement sensor, accelerator control mechanism displacement sensor and accelerator actuating mechanism displacement sensor; the main control unit is connected with gearshift drive circuit and accelerator drive circuit, the gearshift drive circuit is connected with gearshift actuating mechanism and the accelerator drive circuit is connected with accelerator actuating mechanism. Said invention also provides a motorcycle intelligent control method. Said invention mainly is used in motorcycle using automatic clutch engine.

A headspace sampler control system and a control method thereof belong to the field of gas phase chromatographic sample pre-treatment device control technology. The headspace sampler control system comprises a programmable controller, a temperature module, an analog quantity input and output module and man-machine interaction equipment. The programmable controller is connected with the temperature module and the man-machine interaction equipment. The temperature module is connected with the analog quantity input and output module. The programmable controller, the temperature module and the analog quantity input and output module are respectively connected with related components of a headspace sampler. The headspace sampler control system has advantages of high stability, high interference resistance, easy operation, easy maintenance, no requirement for welding of a main circuit board, convenient wiring and easy function expansion. Through a self-checking process for each key component of the headspace sampler, problem finding can be realized and a fault point can be found out directly. High control precision and simple operation are realized in a process for controlling temperature and pressure of a heating chamber, a valve and an air path. One-key sample incoming can be realized in an automatic control process for sample incoming of the headspace sampler. Operation time of an operator can be effectively reduced.

The invention discloses a motorcycle multi-CPU intelligent control system of automatic on-off engine, comprising throttle intelligent control system constituted by throttle control unit cooperated by total control unit and motorcycle shifting intelligent control system accomplished by the throttle control unit, inspecting unit and the total control unit. The throttle intelligent control system is cooperated with the shifting intelligent control system. Under the cooperation of automatic clutch on motorcycle body multi-CPU control system with the complete process of flaming starting, running, stopping and flameout can be accomplished. The invention also provides a motorcycle multi-CPU intelligent control method. The invention makes motorcycle driving simple and convenient. The invention also solves the problem that after motorcycle starts or shifts up engine flameout is easy, it is not in time to shift up and fuel is wasted in variable speed so on.

The invention relates to an intelligent carpet based on a sensing technique. The intelligent carpet comprises a carpet body (1) and a pressure sensor (2) arranged in an interlayer of the carpet body (1). The intelligent carpet also comprises a control box (3) arranged outside the carpet body (1). The control box (3) is connected with a relay (4). The relay (4) is in parallel connection with a switch of corresponding electric equipment in a room. The intelligent carpet is arranged at an entrance of the room. Compared with the prior art, the intelligent carpet has the advantages that an original electrical control line in the room needs not to be changed, only the relay needs to be connected with the original switch in parallel, foot treading motions are sensed by the pressure sensor, the control box controls motions of the relay, the corresponding electric equipment in the room is turned on or turned off, and the cost is low; the control box is arranged outside the carpet body, and is convenient to maintain; and the carpet is arranged at the entrance of the room and can control the electric equipment when people enter the room, so illumination convenience is greatly improved.

The invention provides a multifunctional dual-motor redundancy brake system and a control method. The brake system mainly comprises a brake pedal assembly, a main electro-hydraulic servo brake assembly, an auxiliary electro-hydraulic servo brake assembly, a liquid storage tank, a parallel main cylinder, a brake main cylinder, a hydraulic adjusting unit and a brake set. The two sides of the main electro-hydraulic servo brake assembly are connected with the brake pedal and the parallel connection main cylinder respectively. The auxiliary electro-hydraulic servo assembly is connected with a brake master cylinder, and the mechanical assembly is provided with a self-locking mechanism and can achieve power-off locking. An oil outlet of the brake master cylinder is connected with two oil inlets of the parallel brake master cylinder through two loops respectively, and two oil outlets of the parallel brake master cylinder are connected with a left oil inlet and a right oil inlet of the pressure adjusting unit through the two loops respectively. According to the brake system, multiple working modes such as brake-by-wire brake with brake keeping, external request brake, brake energy recovery assistance and manpower backup brake can be achieved, multiple redundant brake modes are achieved, the brake requirement of a high-tonnage vehicle can be met, and the safety of the vehicle is improved.