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The invention relates to the field of wireless optical communication, and specifically provides a mobile payment system and method based on visible light communication technology. The mobile payment system based on the visible light communication technology is formed by a smart phone, an acceptance terminal and an account system. The structure of the smart phone comprises a flashlight module which comprises an LED light source and a drive circuit and is used for sending visible light signals; a visible light signal receiving module which is used for receiving information from the acceptance terminal; and a client software module which is used for processing the received information. The structure of the acceptance terminal comprises a visible light receiving module which comprises a photoelectric detection diode and a drive circuit, an acceptance terminal information sending module which is used for sending the information in the form of visible light, and cash system software which is used for controlling the acceptance terminal. The account system adopted in the invention is a database management system having the functions of storing data information, carrying out automatic account transfer after receiving an authorization message, and notifying the both parties of the deal.

[Object] To provide an inexpensive and flexible conductive thin film which is excellent in carrier mobility and electric conductivity and which is formed by highly orienting nanotube or an electronic functional organic material by simple and convenient means, as well as a thin film transistor using the conductive thin film.

[Solution Means] A conductive thin film (1) is formed by mixing a first material (5) having electric conductivity or semiconductivity and a second material (6) to prepare a mixture and orienting the mixture by utilizing liquid crystallinity thereof.

A human-computer interface for a search engine or similar application includes specification means for a time condition applicable to a search query, and visual feedback means expressive of relative availability of sought or potentially sought database items at one or more specific times within a time period under consideration. The invention provides a new and unique way to support interactive searching of a database that includes information relating to time availability of represented items, in order to identify items that match one or more search term(s) and are available at a specific time or during a specific time period.

A method for automatically controlling a mining machine. In the method a route is determined for a mining machine (14) in the form of successive, interconnected segments in a coordinate system fixed in a relation to the mine, the segments in turn being determined as successive points located at a distance from one another. The location of each point is determined in the coordinate system fixed in relation to the mine and the data associated with the points is sent wirelessly (17) to the mining machine.

The invention discloses a WLAN measuring method, an LTE base station, a terminal and a WLAN base station. The method comprises the steps of configuring WLAN measuring parameters through the LTE base station, sending the WLAN measuring parameters, and receiving returned WLAN measuring results based on the WLAN measuring parameters.

This invention discloses a method of instantaneous frequency measurement. The frequency band of interest is divided into a number of virtual sub-bands. Each sub-band is folded into a common baseband by a band folding down converter. Frequency measurement is achieved in a two part process, part 1 determines the center frequency of the virtual sub-band, while part 2 determines the baseband frequency, the frequency within the virtual sub-band. Both components of the RF frequency are then combined to form the frequency measurement. The frequency determinations for both sub-band frequency and baseband frequency are made by digital processing of the baseband phase measurements. The baseband phase is measured by a multi bit phase sampler, an integral part of the invention.

Cell and tissue autonomous phenotypes are correlated with genotype information. Correlated genotype information is used to screen individual traits. Methods and systems for correlating cell and tissue autonomous phenotypes to genotype information are provided.

The present invention provides a method of secure communication for a wireless mobile terminal. In the invention, the wireless mobile communication user realizes secure information exchange of terminal to terminal based on the guarantee reliability identity authentication without bearing deployment, maintenance and complex operation of public key infrastructure, without the participation of telecom operator, without replacing or impacting telecom signaling exchange protocol. The mobile communication user uses mobile terminal identity mark as identity, introducing a credible thirst party, named for key generation center, the main function is to help user to generate key according to the identity of user. The user acquires a key corresponding to the identity from the credible third party by mobile phone message or data service. The key guarantees the encryption key exchange and safety parameter between users to negotiate and resist active attack, session key between mobile users is independent to the KGC random generation, realizing the safety communication of terminal to terminal.

A communication network (100) comprising an access service network entity (102), a policy and charging rules entity (104), and an authentication, authorization and accounting entity (106), wherein the access service network entity (102) is adapted for providing charging capabilities to the authentication, authorization and accounting entity (106), wherein the authentication, authorization and accounting entity (106) is adapted for deciding whether the charging capabilities are to be activated and for providing the decision to the access service network entity (102), and wherein the access service network entity (102) is adapted for providing the decision to the policy and charging rules entity (104).

The invention relates to a background convert method of TV function interface, wherein said method comprises that: selecting, storing and realizing; the TV system provides several selecting channels as TV background and other images; uses via selection confirms to change background image or TV background, via remote control technique, embedded image technique, to change the background freely. The invention can provide personal background operation interface to user.

The invention belongs to the technical field of chemical engineering and particularly relates to a water vapor electrolytic process based system for joint production of ammonia and nitric acid. The system comprises a nitrogen generation unit, an ammonia synthesis unit, a nitric acid generation unit, and a solid oxide electrolyzer. The ammonia synthesis unit is used to provide the material ammonia and process vapor for the nitric acid generation unit, no ammonia is externally purchased for the nitric acid generation unit, meanwhile, a heat recovery boiler is eliminated. The reaction heat of the ammonia synthesis unit and the nitric acid generation unit is used to produce high temperature vapor, the high temperature vapor is applied to the solid oxide electrolyzer, the solid oxide electrolyzer produces hydrogen and oxygen, the hydrogen and the oxygen are applied to the ammonia synthesis unit and the nitric acid generation unit, so that a mode of joint production of ammonia and nitric acid by taking air and water as raw materials is achieved, no materials or fuels are externally purchased, only electric energy is used, so that the system has the characteristics of high integration, low production cost, single and convenient energy consumption, reasonable recovery of energy, less environment pollution, conformity to the international emission standard and the like, and has an excellent economic benefit and an excellent application prospect.

The invention is related to a new memo pad structure that is lightweight, portable and convenient. Its fixation base has an ergonomic rising slope, on which there are a plurality of memo pad stacks. Each memo pad stack is composed of a plurality of single memo pads adhesively bonded together. The memo pad stacks are lined up on the slope and stick out of the high side of the slope to facilitate the peeling. Besides, the memo pad stacks can be made in different colors or with different surface patterns for the purposes of identification, aesthetics and classification.

The embodiment of the invention provides an information processing method and device. The method comprises the following steps of setting a hierarchical relationship of branch mechanisms according to a preset rule to form a tree structure among the branch mechanisms; extracting all service scenes related to a service; respectively constructing a mapping relation among each service scene, a domain set and the tree structure, wherein the domain set comprises at least one domain, and each domain corresponds to at least one branch mechanism with the same property. Therefore, the service can be easily and conveniently realized. According to the method, during service management, the corresponding tree structures and the domain sets are acquired according to codes of the service scenes, and then the branch mechanisms represented by branch mechanism codes are searched in the tree structures, so that the domains corresponding to the branch mechanisms are searched in the domain sets, and the subsequent service management on the domains is facilitated. Due to the scheme, the domain searching process is simple and convenient, the search efficiency is high, and the method is easy to operate.

The invention is applicable to the field of character display, and provides a display method and a display system for multifont characters of an embedded system. The method comprises the following steps that a current word stock information index table is preset; the currently used Chinese font and English font word stock information table address is stored into the current font information index table; character data of internal codes to be displayed is read; the currently used word stock information is obtained through the current word stock information index table, and the dot matrix data of the currently used word stock and characters are obtained according to the word stock information and the character data; characters are displayed according to the width and the height of the dot matrix character matrixes provided by the word stock information and the dot matrix data. When the method and the system provided by the invention are implemented, various character fonts can be displayed.

Provided are a terminal and a method and device for repairing an image. A method includes collecting the character parameter of each pixel point to build a histogram of the image, determining a characteristic parameter segmentation threshold based on a histogram determination area, segmenting the histogram into a background area and a pollution area according to the characteristic parameter segmentation threshold and adjusting the characteristic parameters of the pixel points in the pollution area based on a mean value of the characteristic parameters of the pollution area and a mean value and a variance of the characteristic parameters of the background area. By means of the technical scheme, the method greatly reduces calculated quantity, is simple and quick to achieve, has strong self-adapting capability, is suitable for occasions with low processing performance, simultaneously is capable of avoiding effects on integral impression caused by inconsistent local color caused by the fact that repairing is conducted with the pixel as the unit in the existing image repairing method, ensures area integral consistency and reserves natural texture and detailed impression in the areas.

The invention provides a Laplacian grid editting method for realizing translation sensitivity. The method is usually used for model editting in computer cartoons and industrial modeling, but a Laplacian coordinate have no translation sensitivity, thereby geometrical detail characters of the model can not be held well. Thus, the invention proposes a method for rotating the Laplacian coordinate by a vertex normal, which comprises re-building a middle model based on the original Laplacian coordinate, calculating the vertex normal of the model, and rotating the original Laplacian coordinate to a parallel direction of the vertex normal, and rebuilding the model to obtain the result. According to the method of the invention, the Laplacian coordinate realizes the deformation effect of translation sensitivity, the vertex normal is automatically calculated, fussy Laplacian vector estimation is avoided, and the geometrical detail characters of the model can be held well.

The invention discloses a dust collection method of a dust collector, the dust collector and a computer readable storage medium. The method comprises the steps that a current motor running parameter and a current dust collection effect value are acquired by the dust collector, wherein the current dust collection effect value is a scalar parameter for measuring the dust collection effect of the dust collector at the current moment; whether or not a difference value of the current dust collection effect value and a preset dust collection effect value exists in a preset difference value range isjudged; if not, the motor running parameter is adjusted, and the difference value of the adjusted dust collection effect value and the preset dust collection effect value is in the preset difference value range. According to the dust collection method, the dust collection effect value of the dust collector is kept within the preset difference value range of a preset dust collection effect, the dust collector is kept in the optimal dust collection effect, and the method is easy and convenient to implement, low in cost, good in system stability, low in noise and high in control precision.

The invention provides an antibacterial polypropylene melt-blown material as well as a preparation method and application thereof. According to the invention, polypropylene is used as a base material,1-vinylimidazole is used as an antibacterial monomer, the antibacterial monomer is grafted to a main chain of the polypropylene to form a polypropylene melt-blown material intermediate, and an antibacterial structure with halamine is formed on a molecular chain of the polypropylene melt-blown material intermediate through amine halogenation; therefore, the antibacterial polypropylene melt-blown material is obtained. The polypropylene melt-blown material provided by the invention has excellent, durable and renewable antibacterial functions, and has a huge application prospect in the field of cloth for medical treatment and public health.