33results about How to "Free choice" patented technology

The invention relates to a vehicle-mounted display control system, in particular to a vehicle-mounted multi-screen interaction system which is used for coordinately controlling contents displayed by internal display screens of multiple vehicles and controlling commands. A main display screen is connected with main display processing equipment and is connected with a master controller through the main display processing equipment. Each rear-row display screen is connected with one slave control equipment. The slave control equipment is connected with the master controller through a video switching module. The video switching module is used for switching the rear-row display screen and the main display screen between a synchronous display mode and an independent display mode. The vehicle-mounted multi-screen interaction system uses independent slave control equipment and audio/video switches which are connected with the master controller, and the master controller can realize independent control between the rear-row display screens and the main display screen through the operation of users; the displayed contents and output voices can be different; the display effect is good, high resolution is supported and the anti-interference capacity is strong; and rear-row passengers can have more free video and audio selection and operation experiences.

A radiotherapeutic apparatus employs a collimator (52) set below a radiation source (50) and is adapted to move along an arc (54) substantially centered on the radiation source (50). As it sweeps the arc, the collimator (52) is adjusted so as to define the appropriate shape of radiation beam. A continuous sweep over the patient avoids edge artefacts and localized accumulation of leakage.

The invention discloses an intelligent shopping cart. The shopping cart includes a body and a shopping basket arranged in the body. A cover plate which can be tilted to the inside of the shopping basket to form a commodity entrance is arranged on the shopping basket. The shopping cart also includes a scanning unit, which scans a barcode of a commodity placed on the cover plate, and acquires a nameand a unit price of the commodity; a first weighing unit, which measures weight of the commodity on the cover plate; a settlement unit, which generates settlement information of the commodity on thebasis of the name and the unit price of the commodity, adds the same to a settlement list, and updates the settlement list; and a display unit, which displays the settlement list. The invention also discloses an intelligent shopping system including the above-mentioned shopping cart. According to the system, voluntary settlement is carried out through the shopping cart, a settlement speed is increased, and accuracy of a settlement process is guaranteed.

The invention relates to a vehicle-mounted display and control system, in particular to a vehicle-mounted multi-screen interaction system which coordinates and controls the displaying contents and the control instructions of display screens of a plurality of vehicles. A main display screen is connected with main display processing equipment and is connected with a main controller through the main display processing equipment; each slave display screen is connected with slave control equipment; the slave control equipment is connected with the main controller through a video switching module; and the video switching module is used for switching the synchronous display and the independent display between the slave display screens and the main display screen. The vehicle-mounted multi-screen interaction system provided by the invention is connected with the main controller by using independent slave control equipment, and audio and video switches; the independent control between the slave display screens and the main display screen can be realized by the main controller through the operation of a user; both displayed content and outputted sound can be different; the display effect is good, the high resolution is supported, and the capacity of resisting disturbance is strong; and more free video-audio selection and operating experience can be brought for passengers in back rows.

The invention discloses a lithium ion battery current collector. The lithium ion battery current collector comprises a flexible base material and a conductive plated layer covered on a surface of theflexible base material; and the conductive plated layer includes a chemical plated layer and an electroplated layer from the inside out. The invention further discloses a preparation method of the lithium ion battery current collector. The preparation method comprises the following steps: treating on a surface of a flexible base material via a chemical plating process till a chemical plated layerin a conductive plated layer of the lithium ion battery current collector is formed; and treating on a surface of the chemical plated layer via an electroplating process till an electroplated layer inthe conductive plated layer of the lithium ion battery current collector is formed. According to the lithium ion battery current collector and the preparation method thereof provided by the invention, the lithium ion battery current collector has the characteristics that the strength property of the battery current collector is good, and the safety property of a lithium ion battery can be improved.

The invention relates to an intelligent multifunctional electronic wrist watch for a hearing-impaired crowd and relates to the field of intelligent wrist watches. The wrist watch comprises a shell, watchbands, a mainboard, a battery, a display screen and a rear cover. The watchbands are arranged on the symmetrical side walls of the shell respectively. The mainboard is fixed into the shell and provided with the battery. The display screen is fixed to the upper surface of the mainboard, and the rear cover is fixed to the lower surface of the mainboard. The mainboard is provided with a sound receiver, a sound player and a main processor. The sound signal output end of the sound receiver is connected with the sound signal input end of the main processor, the sound signal output end of the main processor is connected with the sound signal input end of the sound player, and the display signal output end of the main processor is connected with the display signal input end of the display screen. A receiving hole corresponding to the sound receiver and a playing hole corresponding to the sound player are formed in the side wall of the shell.

To form each receiving roller with an inexpensive metal material easy to purchase and to compose a heating device with a structure capable of preventing spark between workpiece receiving rollers for providing long-term durability, in a heating device of a metal tube body for induction-heating the total length of a workpiece while rotatably supporting it with two receiving rollers. This metal tube body heating device 40 is equipped with: the receiving rollers 50 and 60 for mounting the metal tube body 10 in a manner capable of horizontally and rotatably transmitting it; roller driving devices 25-26 for rotatably driving them by pivoting them; and induction heating devices 21-22 for induction-heating the total length of the metal tube body 10. The rollers 50 and 60 are composed of: metallic core members 51 and 61; a plurality of metallic short sleeves 52 and 62 each having an axially split form; and spacers 53 and 63 serving as mutual insulation thereof.

The invention discloses a traffic travel behavior regulation and control method based on a block chain technology and travel plan sharing. The method comprises the following steps: firstly, enabling atraveler to share a travel plan of himself/herself before traveling; secondly, predicting traffic network dynamic traffic demands in different time periods in the future according to a travel plan shared by travelers; thirdly, evaluating the operation level of the urban traffic network based on the prediction result of the dynamic traffic demand and the urban traffic supply information; optimizing a travel plan; randomly selecting travelers, and providing corresponding travel suggestions for the travelers; and enabling the traveler to select whether to accept the travel suggestion or not, andperform dynamic traffic demand prediction based on the selection result after completion, and repeating the cycle until the operation level of the urban traffic network reaches a satisfactory level.According to the method, a hash algorithm is adopted for encryption, a travel plan is shared through public key and private key technologies of a block chain, and the privacy of travelers is protected; and travelers are motivated to share the travel plan and accept travel suggestions.

The invention relates to a trowelling machine. The trowelling machine comprises racks distributed on two sides of a road and rollers at the bottoms of the racks, wherein a plurality of connection plates which are sequentially spliced in an end-to-end manner to be used as a rail are connected between the two racks; a supporting table is glidingly mounted on the rail; a transverse moving mechanism driving the supporting table to glide on the rail is connected at the upper end of the supporting table, and a trowelling mechanism is connected at the lower end of the supporting table. The trowelling machine further comprises a travel switching device mounted on any of the two racks and used for limiting the moving travel of the supporting table. The trowelling machine overcomes defects of the prior art, does not need to be operated manually, can adapt to cement trowelling of roads with different widths due to the fact that simple splicing of the connection plates is adopted, has free selectivity and is wide in applicable range; the travel switching device is arranged and can prevent the trowelling mechanism from hitting against the roads and being damaged; a rough trowelling plate and a fine trowelling plate in the trowelling mechanism work simultaneously, time is saved, and the work efficiency is improved.

The invention relates to a dragging teaching method based on force control robot polishing and an implementation device thereof in the technical field of force control robot automatic polishing. The dragging teaching method based on force control robot polishing comprises the following steps: a work-piece to be polished is fixed on a polishing table, and a system is started; a debugger holds a dragging handle by hand and makes polishing tools at the tail end of the robot be contact with the polishing area of the work-piece to be polished in sequence, and a force control system automatically records the position coordinate information of each polishing point; the motion mode of each polishing point is set in sequence, so that the robot moves among different polishing points in a specified mode, and a robot moving instruction is automatically generated; and the polishing points at a designated positions are taken and set as process polishing points, polishing process setting is performedon each process polishing point in sequence, and the robot moving instruction is automatically generated. According to the invention, selection of the polishing teaching points is more free, the number of the polishing teaching points is smaller, establishment of a robot polishing path is simpler and more flexible, and a large amount of teaching time is saved; and due to the fact that the polishing process can be automatically generated, the polishing stability is improved, and the polishing quality is greatly improved.

The invention discloses a multi-frequency multi-target selective wireless energy transmission method and system, and belongs to the technical field of electromagnetic wave wireless energy transmission. The method comprises the following steps: constructing a receiving device group and a transmitting device group of the multi-frequency energy transmission system; discretizing an energy transmissionbandwidth range adopted by the system according to the measured maximum multipath time delay in the energy transmission environment, and extracting an energy transmission channel parameter of the energy transmission system at each frequency point; selecting an optimal energy transmission frequency point according to the extracted energy transmission channel parameters and a calculation formula; and determining an optimal feed-in signal corresponding to the selected frequency point by using an optimization algorithm to realize multi-target selective parallel energy transmission. According to the method, the problem that the energy transmission efficiency and the sidelobe value are difficult to consider in an existing multi-target selective energy transmission technical method is solved, and efficient and low-sidelobe multi-target selective parallel energy transmission is achieved.

The invention discloses a method for sending messages, a device for sending the messages, and a mobile communication device. The method for sending the messages and the device for sending the messages are used in the mobile communication device containing at least two customer identification module SIM cards. The method includes the steps: detecting all SIM cards in a mobile phone, and obtaining the number of the SIM cards; when a request for opening a message sending interface is received, respectively setting a sending option for each SIM card on the message sending interface; and when the sending option of a certain SIM card receives a message sending request, sending a message content to a corresponding receiver through the SIM card. All the SIM cards in the mobile phone are automatically identified so that automatic setting to a message sending page is carried out, so that when sending the messages, a multi-card mobile phone user can select a mobile phone card freely, the fact that a special card has a special purpose is achieved, and the problem that one SIM card cannot be used for sending the messages by a short number to contacts in a short-number group inside another SIM card is avoided.

The invention discloses a field stop type insulated gate bipolar transistor manufacturing method. The method includes epitaxially growing and generating heavily doped N-type epitaxial layer on a substrate as a field stop layer, then epitaxially growing and generating slightly doped N-type epitaxial layer as a pressure resistant layer, performing the conventional front process, then perform back thinning process, injecting P-type impurity into the back and annealing to obtain a P-type collector area, and performing the conventional back metallizing process. The method has the advantages that the producing period is short, expensive high-energy ion injection equipment and laser annealing equipment are omitted, the thickness of the field stop layer and the concentration of the impurity can be controlled according to component requirements, the thinning process difficulty is reduced, the component performance is improved, and the process difficulty is lowered; the substrate can be selected freely, and the substrate with lower cost can be selected.

The invention relates to the field of forestry and horticulture, in particular to a method for preventing freezing of overwintering cinnamomum bodinieri seedlings. The invention comprises the steps of S1, conducting seedling height growth control treatment during summer end and early autumn, S2, conducting anti-freezing treatment before frost descent, during the period between the summer end and early autumn applying medicinal solution containing one or more of S-inducer resistance, cycogan and paclobutrazol to conduct spraying treatment to the seedlings, or conducting root cutting treatment to effectively control the height growth of the cinnamomum bodinieri seedlings, promote the lignification of cinnamomum bodinieri seedlings and enhance the anti-freezing ability of overwintering cinnamomum bodinieri seedlings; before frost descent using medicinal solution containing S-inducer resistance to conduct spraying treatment to the overwintering cinnamomum bodinieri seedlings to effectively enhance the anti-freezing capability of the overwintering cinnamomum bodinieri seedlings, at the same time, with the combination of externally erected anti-freezing shed and other measures, the freezing disasters of the overwintering cinnamomum bodinieri seedlings caused by the frost, snow, cold wave and low temperature can be avoided, and the commercial passing rate of the cinnamomum bodinieri seedlings is substantially increased.

The invention provides a flow velocity measurement method and device based on 4D Flow MRI, a computer and a storage medium, and the method comprises the steps: carrying out the flow velocity measurement of a blood vessel based on 4D Flow MRI, and obtaining a three-dimensional image and three-dimensional velocity flow field data of the blood vessel; selecting a region of interest for the three-dimensional image of the blood vessel according to a preset rule to obtain a region of interest of a target blood vessel; and according to the three-dimensional velocity flow field data of the blood vessel, extracting flow velocity information in the region of interest of the target blood vessel. The target blood vessel is directly subjected to region-of-interest selection in the three-dimensional space, acquisition of a Reslice layer and manual sketching of the region-of-interest of the target blood vessel are not needed, the operation difficulty is reduced, and the operation workload is reduced.

The invention belongs to the field of high-voltage lamp strip control and drive, and particularly relates to a multicolor high-voltage lamp strip control and drive device for high-voltage end control.The multicolor high-voltage lamp strip control and drive device comprises a commercial power input and control module (A), a surge protection module (B), an EMC protection module (C), a mode indication module (D), a high-voltage detection module (E), a full-bridge rectification module (F), an output selection control module (G), an output detection and protection module (H) and a lamp strip output module (I). The on-off (brightness and the like) of lamp strips with corresponding colors is controlled by directly controlling the on-off (phase and the like) of a 220V or 110V mains supply phase line, so that free selection and intelligent control of light modes are realized.

The embodiment of the invention provides a housing mortgage information processing method and device, and the method comprises the steps: obtaining an interface type of a first operation signal triggered by a user, and calling a corresponding input interface for display according to the interface type; obtaining a repayment load and a calculation index which are inputted by the user at the input interface, and calling a corresponding calculation model according to the repayment mode when the receiving user triggers the value calculation at the input interface; generating an information interface according to the calculation model, the calculation index and a preset information template, and displaying the information interface, thereby achieving a purpose that the user freely selects the repayment mode, achieving the information comparison and visual display of a repayment scheme and providing a decision making basis for the user.

The invention discloses a multi-load wireless power transmission system with a domino structure. The multi-load wireless power transmission system comprises a transmitting unit, M + 1 relay units, M receiving and transmitting units and a receiving unit. The units are arranged according to the following rule: the transmitting unit is in the first, the receiving unit is in the last, and the relay units and the receiving unit and the transmitting units are arranged in the middle, and arranged repeatedly in sequence and end up with one relay unit. and wireless transmission of electric energy is sequentially carried out between adjacent units through electromagnetic coupling between transmitting coils and receiving coils in loose coupling transformers. According to the system, the plurality ofrelay units are used as a high-order compensation network, so that the output voltage at the two ends of each load is independent of the load or other loads and only depends on the ratio of mutual inductance between the transmitting coils and the receiving coils in two adjacent loose coupling transformers. Therefore, the system provided by the invention has the advantages of freer design, simplercontrol, stronger environmental adaptability, lower cost and the like.