30results about How to "Protection input" patented technology

A kind of 2D bar reader includes image reading head, terminal of computing device. The said image reading head through control interface circuit is connected to terminal of computing device with engine software for reading and recognizing bar code being installed on. The said terminal of computing device is one of desktop computer, server, palm computer, embedded type system or handset possible to install engine software for reading and recognizing bar code. It is initiation of the invention that recognition function is transferred to terminal of computing device connected. Thus, the image reading head possesses features of simple feature, easy of manufacture, high processing capacity, good recognition effect.

The application discloses a terminal UE access control method. After determining the terminal protocol version of terminal UE according to an access request sent by the terminal UE, an RNC (Radio Network Controller) judges whether the terminal protocol version is higher than the highest protocol version supported. If the terminal protocol version is higher than the highest protocol version supported, the UE is redirected under instruction according to the LTE capacity of the UE, the reason why the access request is triggered, a blind redirection switch and the neighborhood of a cell which the UE requests to access, or the access request is processed in accordance with the highest protocol version. The success rate of RRC access and the success rate of relocation are improved, user perception is ensured, and the investment of operators is protected.

The invention discloses an auxiliary power supply of a high-power UPS (uninterrupted power supply). The auxiliary power supply comprises a direct-current voltage input, an alternating-current voltage input, an isolating circuit for preventing reverse-filling of current, a rectification circuit, a filter circuit, a half-bridge isolating switch conversion circuit, a high-frequency rectification filter circuit, a voltage and current sampling circuit, a feedback control circuit, a PWM (pulse width modulation) controller and a double-end fly-back converter. The direct-current voltage input is sequentially isolated and filtered via the isolating circuit and the filter circuit, is converted into high-frequency PWM alternating-current voltage by the half-bridge isolating switch conversion circuit, and is isolated, coupled, rectified and filtered by the high-frequency rectification filter circuit, and then direct-current voltage is output. The half-bridge isolating switch conversion circuit is controlled by the PWM controller to output stabilized direct-current voltage. An input end of the double-end fly-back converter is connected with an output end of the filter circuit so that the double-end fly-back converter can access to a power source, and the double-end fly-back converter supplies power to the PWM controller. The auxiliary power supply of the high-power UPS can supply reliable and stable direct-current voltage output to the UPS.

Apparatus for securing data, comprising: an isolated processing environment having a boundary across which data cannot cross and a channel for allowing data to cross the boundary. A filter restricts data passage across the channel. Protected data is initially located in a secure area and is only released to such a secure processing environment so that access for authorized users to the secure data is available, but subsequent release of the secure data by the authorized users to the outside world is controlled.

The invention provides a method and system for calling a local application by a webpage, and the method comprises the following steps: S1, configuring the webpage, automatically starting a local service of a windows system through a browser by using a network protocol, and transmitting parameters to the local service; S2, configuring a local service to automatically analyze parameters transmittedby the webpage, locally searching an executable file required by the webpage, connecting and executing the executable file, and returning an execution result code to the webpage; S3, enabling the configuration webpage to analyze an execution result according to the execution result code returned by the local service, displaying the execution result in a webpage setting area, and ending local application calling, wherein the system comprises a local server starting module, an executable file connection module and an execution result analysis module. According to the invention, the original control or the local application program used as the local application does not need to be modified, and the effect that the webpage directly calls the control or the local application program is achievedby adding the local service.

A band-pass filter having a body, a rectangular waveguide, and a dielectric insert, the dielectric insert has a dielectric plate and a high temperature superconductive film in line with a plurality of rectangular windows of the same height. The waveguide has a×b cross-section, a being length of the long side walls and b the length of the short side walls. Each long side wall has a fixing groove at the central portion and a rectangular recess in the fixing groove. The dielectric plate has two ends in the fixing grooves and is symmetric with a perpendicular bisecting plane of the long side wall. The rectangular recess is symmetric to the perpendicular bisecting plane and has the same length as that of the waveguide, with its width w satisfying t<w<a / 2, and depth d satisfying d<λ / 4, t being total thickness of the dielectric plate and the high temperature superconductive film, and λ the wavelength of the central frequency of the pass-band of the band-pass filter.

A semiconductor device which IGBT (Z1) and a control circuit (B1) for driving the IGBT (Z1) are formed on the same semiconductor substrate by using a junction isolation technology, includes an input terminal (P1) for inputting a drive signal of the IGBT (Z1), a Schottky barrier diode (D2) having an anode connected to the input terminal (P1) and a cathode connected to an input terminal (B11) of the control circuit (B1), and a p-channel MOSFET (T1) for shorting both ends of the Schottky barrier diode (D2) when the voltage of the drive signal input to the input terminal (P1) is higher than a predetermined voltage, thereby latch-up of the parasitic element is prevented and a transmission loss of the input signal can be reduced.

A kind of 2D bar reader includes image reading head, terminal of computing device. The said image reading head through control interface circuit is connected to terminal of computing device with engine software for reading and recognizing bar code being installed on. The said terminal of computing device is one of desktop computer, server, palm computer, embedded type system or handset possible to install engine software for reading and recognizing bar code. It is initiation of the invention that recognition function is transferred to terminal of computing device connected. Thus, the image reading head possesses features of simple feature, easy of manufacture, high processing capacity, good recognition effect.

The invention provides a key-defending recording method and a key-defending recording system which are applied to a computer with a keyboard. The method comprises the following steps of: when input information of keys of a keyboard is detected, intercepting the input information; encrypting the input information by adopting an asymmetric cryptographic algorithm; sending the encrypted input information to a keyboard buffer area of a computer memory; calling the encrypted input information in the keyboard buffer area, monitoring and analyzing the keyboard buffer area to judge whether the calling is legal or not; and when the calling is judged to be legal, decrypting the called input information, and when the calling is judged to be abnormal, refusing to send a decryption request. Therefore, by the method and the system, the aim of protecting keyboard input is fulfilled, so that the safety of the keyboard input for users can be ensured to a large extent.

The invention relates to a method for improving the service building success in the mobile communication system, wherein, when the wireless network controller (RNC) receives the distribute request of building service, and judges out the bandwidth needed by present processed service is over the maximum bandwidth reported by the user terminal (UE), check if the present service contains the non real-time service; if contains, decrease the bandwidth needed by the non real-time service, and using said decreased bandwidth to distribute or redistribute the bandwidth transmission signal channel of said non real-time service. The invention can use present bandwidth resource of mobile communication system to improve the success rate of service building without improve the bandwidth ability of UE.

The invention discloses a real estate information verification method based on an asymmetric algorithm, which belongs to the field of information security. The invention applies the concept of data signature, so that the key data of real estate can be protected and can not be tampered with, cannot be denied, and can not destroy the effect of integrity . The verification procedure is convenient and quick, and any smartphone can verify the authenticity of real estate information without connecting to the Internet after installing the APP, which effectively improves the efficiency of real estate-related businesses and reduces the trust cost of stakeholders.

Provided is a distributed wireless signal coverage system. The system comprises a baseband signal processing unit, a radio frequency expansion unit and a radio frequency remote unit, wherein digital optical transmission is used between the baseband signal processing unit and the radio frequency expansion unit, and analogue radio-over-fibre transmission is directly used between the radio frequency expansion unit and the radio frequency remote unit. Compared with a traditional distributed coverage system, a radio frequency remote unit of the system is small in volume, low in costs and low in power consumption, is easy to place, and can more easily to implement refined coverage. The system of the present invention may be widely used in various types of mobile signal coverage application scenarios, such as large buildings, airports and stations, and both the total device cost and the installation and maintenance cost are greatly reduced.

The application discloses a terminal UE access control method. After determining the terminal protocol version of terminal UE according to an access request sent by the terminal UE, an RNC (Radio Network Controller) judges whether the terminal protocol version is higher than the highest protocol version supported. If the terminal protocol version is higher than the highest protocol version supported, the UE is redirected under instruction according to the LTE capacity of the UE, the reason why the access request is triggered, a blind redirection switch and the neighborhood of a cell which the UE requests to access, or the access request is processed in accordance with the highest protocol version. The success rate of RRC access and the success rate of relocation are improved, user perception is ensured, and the investment of operators is protected.

A protection circuit intended to be connected between an electrical energy source and an overvoltage-sensitive device. A current limiting circuit and a current monitoring circuit are connected in series, a reference voltage generator circuit delivering a reference voltage, and a balancing circuit is intended to control the current monitoring circuit so that the voltage at a point of connection between the current limiting circuit and the current monitoring circuit is substantially equal to the reference voltage. An electrical measurement or power supply device including at least one such overvoltage protection circuit.

The invention discloses an auxiliary power supply of a high-power UPS (uninterrupted power supply). The auxiliary power supply comprises a direct-current voltage input, an alternating-current voltage input, an isolating circuit for preventing reverse-filling of current, a rectification circuit, a filter circuit, a half-bridge isolating switch conversion circuit, a high-frequency rectification filter circuit, a voltage and current sampling circuit, a feedback control circuit, a PWM (pulse width modulation) controller and a double-end fly-back converter. The direct-current voltage input is sequentially isolated and filtered via the isolating circuit and the filter circuit, is converted into high-frequency PWM alternating-current voltage by the half-bridge isolating switch conversion circuit, and is isolated, coupled, rectified and filtered by the high-frequency rectification filter circuit, and then direct-current voltage is output. The half-bridge isolating switch conversion circuit is controlled by the PWM controller to output stabilized direct-current voltage. An input end of the double-end fly-back converter is connected with an output end of the filter circuit so that the double-end fly-back converter can access to a power source, and the double-end fly-back converter supplies power to the PWM controller. The auxiliary power supply of the high-power UPS can supply reliable and stable direct-current voltage output to the UPS.

The invention relates to an Internet-of-Vehicles system networking method applied to a high-level network type vehicle terminal. The method comprises the steps that access is made to a high-level type network through a high-level network type base station; an access request from a low-level network type vehicle terminal is received, and a corresponding Internet-of-Vehicles cluster is formed with the low-level network type vehicle terminal according to the access request; Internet-of-Vehicles cluster access information is sent to the high-level network type base station, wherein the Internet-of-Vehicles cluster access information comprises identification information of the Internet-of-Vehicles cluster; access control information returned by the high-level network type base station and corresponding to the identification information of the Internet-of-Vehicles cluster is received, and a communication message from the high-level network type base station is sent to the low-level network type vehicle terminal in the Internet-of-Vehicles cluster according to the access control information, or a communication message from the low-level network type vehicle terminal is sent to the high-level network type base station. The method enables the low-level network type vehicle terminal to have access to a high-level type network through application service so that the low-level network type vehicle terminal can use high-level type network resources.