Abstract: A high frequency amplifier circuit includes a transistor including a drain, a gate, and a source, an inductance-capacitor (LC) tank connected to the drain, and a transformer connected to the gate and the source.

Abstract: An envelope signal time delay adjustment apparatus includes a negative group delay unit for converting an envelope signal input from a signal generator into an envelope signal having a group delay of a negative value whose frequency increases from a predetermined frequency band; an envelope-tracking modulator for power-amplifying and outputting the envelope signal output from the negative group delay unit; and a frequency limiting unit for limiting a bandwidth of the envelope-tracking modulator to be lower than an original bandwidth of the envelope-tracking modulator.

Abstract: A role action framework allows for comprehensive control of various objects, data, and behaviors within a procurement and requisitioning application. This framework can be extended to be used by various transactions. A common and central mechanism that makes a supplier relationship management application highly configurable can be provided. This mechanism can allow organizations to customize the application in a manner that is most suitable for the different types of those organizations' users. For example, using this mechanism, users having defined roles within the organization can be limited to appropriate interactions with various facets of the application, such as objects, data, and behaviors. Using the mechanism, an organization can define customized roles, and for each role, the organization can define, for each facet of the application, interactions that users assigned to that role can have relative to that facet.

Abstract: A communication data account processing method is disclosed. The method includes: establishing a communication data account associated with a terminal user for the terminal user, and storing communication data resource information corresponding to the communication data account; receiving an operation instruction of the terminal user for the communication data account, the operation instruction including a mobile communication identifier; identifying a communication service provider corresponding to the mobile communication identifier; establishing a connection with a system interface of the communication service provider, and sending the mobile communication identifier and the operation instruction of the user to the system interface of the communication service provider; receiving response information of the system interface of the communication service provider; and performing an operation on the communication data account according to the response information.

Abstract: A role action framework allows for comprehensive control of various objects, data, and behaviors within a procurement and requisitioning application. This framework can be extended to be used by various transactions. A common and central mechanism that makes a supplier relationship management application highly configurable can be provided. This mechanism can allow organizations to customize the application in a manner that is most suitable for the different types of those organizations' users. For example, using this mechanism, users having defined roles within the organization can be limited to appropriate interactions with various facets of the application, such as objects, data, and behaviors. Using the mechanism, an organization can define customized roles, and for each role, the organization can define, for each facet of the application, interactions that users assigned to that role can have relative to that facet.

Abstract: Systems, methods, and computer program products to perform an operation comprising receiving a user action script, a first callback queue, and an asynchronous operation queue generated based on a first execution instance of a web application, simulating the first execution instance of the web application, comprising: invoking a second execution instance of the web application, simulating each user action of a plurality of user actions specified in the user action script, based on a plurality of callback functions specified in the first callback queue, simulating each asynchronous operation of a plurality of asynchronous operations specified in the asynchronous operation queue based on the plurality of callback functions specified in the first callback queue, and generating a second callback queue based on the simulated plurality of user actions and asynchronous operations.

Abstract: Embodiments of the present invention provide an LED lamp strip structure, a backlight module, a liquid crystal display device and a method of controlling the LED lamp strip structure. The LED lamp strip structure comprises: a circuit board; and at least a first LED sequence and a second LED sequence arranged in parallel on the circuit board, the first LED sequence having a plurality of predetermined intervals, and each LED in the second LED sequence corresponding to one of the plurality of predetermined intervals respectively.

Abstract: Provided is an oscillation circuit including a voltage adjuster adjusting a magnitude of a power supply voltage according to a digital signal, an LC tank circuit connected between first and second nodes and generating a resonance signal on a basis of the magnitude adjusted power supply voltage, and a differential amplification circuit oscillating the resonance signal or modifying an oscillation state of the resonance signal to output first and second output voltage signals to the first and second nodes, respectively.

Abstract: A user identity verification method is disclosed. The method includes receiving an identity verification request sent by a user through a client terminal; determining a user communication number according to the identity verification request and generating a corresponding temporary communication number for the user communication number; recording the user communication number and the temporary communication number as first data; returning the temporary communication number to the client terminal; receiving a call request initiated by the user to the temporary communication number; determining a respective user communication number and a respective temporary communication number corresponding to the call request as second data; verifying whether the first data matches with the second data; and returning a verification result to the client terminal. The method can improve security and reliability of identity verification, reduce a user's waiting time, and enhance user experience.

Abstract: A power supply apparatus for a power amplifier includes a converter configured to convert input power into driving power for the power amplifier, a detector configured to transfer the driving power from the converter to the power amplifier, including an inductor formed on a detection path of the driving power, and configured to detect power information regarding the driving power to generate a detected signal, and a controller configured to control power conversion of the converter based on an envelope signal of a signal input to the power amplifier and the detected signal.

Abstract: Embodiments of the invention relate to reflective relay (RR) processing on logical ports for channelized links in edge virtual bridging (EVB) systems. One embodiment includes providing a virtual edge bridge (VEB) mode and a virtual Ethernet port aggregator (VEPA) mode in an EVB system on a same port of a physical switch. RR capability per channel is negotiated between a server and the physical switch in the EVB system. RR per channel is supported on the physical switch of the EVB system using RR setting information per channel.

Abstract: A motor control device including a preprocessing portion calculating a counter electromotive force using an analog operation is provided. The motor control device may include an offset compensation portion and a counter electromotive force measuring portion. The offset compensation portion receives a three-phase current signal from the motor and compensates an offset of the three-phase current signal. The counter electromotive force measuring portion receives the compensated current signal and a three-phase voltage signal from the motor and calculates the received current signal and the received voltage signal using an analog operation to provide the calculated result.

Abstract: The present invention relates to a high-voltage direct current (DC) circuit breaker which interrupts a fault current flowing in a power transmission or power distribution DC line when a fault occurs in the DC line.

Abstract: The present invention relates to a direct current (DC) circuit breaker using a magnetic field, for generating a magnetic flux in a direction vertical to the direction of an arc current generated in a main switch so as to increase resistance to the arc current and for continuously supplying a circulating current from a DC line so as to further increase the magnetic flux and thus continuously increase the resistance to the arc current, thereby extinguishing an arc.

Abstract: The present invention relates to a bidirectional direct current (DC) circuit breaker for interrupting a fault current flowing through a DC line for power transmission or distribution in case a fault occurs at one side of the DC line.

Abstract: A method of managing data transmission based on virtual local area networks includes obtaining a first VLAN property of a first physical interface and a second VLAN property of a second physical interface; in response to determining the first VLAN property and the second VLAN property are at least partially identical, obtaining a first virtual interface corresponding to the first physical interface and a second virtual interface corresponding to the second physical interface; and mapping the first physical interface and the second physical interface to an identical data channel via the first virtual interface and the second virtual interface, wherein the first physical interface and the second physical interface are located in a same processing device.

Abstract: The present document provides a terminal access method, system and a terminal.

Abstract: A high-voltage DC circuit breaker for breaking a current that flows in a DC line, including: a main switch, installed on the DC line, for breaking a current of the DC line by opening when a fault occurs on one side or a remaining side of the DC line; a nonlinear resistor connected in parallel with the main switch; an LC circuit that is connected in parallel with the main switch and includes a capacitor and a reactor, which are connected in series in order to generate LC resonance; a first bidirectional switching element, connected to the LC circuit in series, for switching a bidirectional current flow; and a second bidirectional switching element, connected in parallel with the LC circuit, for switching a current flow to induce LC resonance in both directions.

Abstract: The present disclosure provides a method of treating and/or preventing neurodegenerative diseases, such as Parkinson disease, Alzheimer disease, Huntington's disease, multiple sclerosis and amyotrophic lateral sclerosis, comprising administrating a therapeutically effective amount of a compound of formula I or a pharmaceutically acceptable salt thereof to a subject in need thereof.

Abstract: Provided is an oscillation circuit including a voltage adjuster adjusting a magnitude of a power supply voltage according to a digital signal, an LC tank circuit connected between first and second nodes and generating a resonance signal on a basis of the magnitude adjusted power supply voltage, and a differential amplification circuit oscillating the resonance signal or modifying an oscillation state of the resonance signal to output first and second output voltage signals to the first and second nodes, respectively.