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85results about How to "Detailed explanation" patented technology

Wireless communication method

A wireless communication method between a plurality of end-points by a plurality of base stations, based on frames that have a chirp spread spectrum,CSS,-modulated preamble followed by a data body modulated at a narrower bandwidth, either by CSS or by an ultra-narrowband, UNB modulation. The system facilitates avoidance or mitigation of collision between packets and allows increase in network capacity, while maintaining the simplicity of detection inherent to CSS modulation.
Owner:SEMTECH CORP

Image sharing system and relevant graphical user interface generating device and relevant graphical user interface generating method

The invention puts forward an image sharing system and a relevant graphical user interface generating device and a relevant graphical user interface generating method. The graphical user interface generating device comprises a receiving module used for receiving distribution information of shooting positions through a communication circuit, an option object generation module which is used for generating a plurality of option objects through use of a control circuit, an arrangement module which is used for arranging a plurality of option objects through the control circuit according to the distribution information of the shooting positions to generate a graphical user interface comprising the plurality of option objects and one or more reference pointers, and a display control module which is used for displaying the graphical user interface through use of a display device. When the display device displays the graphical user interface, the display control module will control the display device to move at least part of the option objects in the graphical user interface to the same side if an input device receives a movement instruction input by a user, the position or content of at least a reference pointer can be correspondingly changed, and the graphical user interface enables the user to quickly grasp the relative positions of the shooting positions of different images in space in a visual manner.
Owner:REALTEK SEMICON CORP

Circuit detection system and circuit detection method

The embodiment of the invention relates to a circuit detection system and a circuit detection method. The circuit detection method comprises the following steps of: inputting a first test signal to acircuit to be detected when the power supply voltage of the to-be-tested circuit is a first voltage level; when the first test signal is input into the to-be-tested circuit, boosting the power supplyvoltage from the first voltage level to a second voltage level; when the power supply voltage is increased from the first voltage level to a second voltage level, reducing the power supply voltage from the second voltage level to the first voltage level; inputting a second test signal to the to-be-tested circuit when the power supply voltage of the to-be-tested circuit is the first voltage level;when the second test signal is input into the to-be-tested circuit, boosting the power supply voltage from the first voltage level to the second voltage level, wherein the second test signal is a complementary signal of the first test signal.
Owner:TAIWAN SEMICON MFG CO LTD

Transmission line driving circuit used for automatic correction of impedance matching

ActiveCN105577137AEffectively Corrects Impedance MismatchesCorrecting Impedance MismatchesImpedence matching networksElectrical resistance and conductanceAudio power amplifier
The invention provides a transmission line driving circuit used for automatic correction of impedance matching. The transmission line driving circuit comprises a transmission line driving amplifier provided with a first transmission end and a second transmission end; a first signal node; a second signal node; a first adjustable resistor disposed between the first transmission end and the first signal node; a second adjustable resistor disposed between the second transmission end and the second signal node; a first voltage difference generating circuit, which is coupled with two ends of the first adjustable resistor, and is used to generate a first voltage difference; a second voltage difference generating circuit, which is coupled with two ends of the second adjustable resistor, and is used to generate the second voltage difference; a first sampling and maintaining circuit, which is used to generate a first sampling signal according to the first voltage difference; a second sampling and maintaining circuit, which is used to generate a second sampling signal according to the second voltage difference; a comparison circuit, which is used to compare the first sampling signal and the second sampling signal; and an adjusting circuit, which is used to adjust at least one of the first adjustable resistor and the second adjustable resistor according to the comparison result of the comparison circuit.
Owner:REALTEK SEMICON CORP

Multimedia interaction system and related device and method capable of filtering interaction commands

The invention discloses a multimedia interaction system and a related device and a method capable of filtering interaction commands. The multimedia interaction system includes a plurality of electronic devices, a plurality of displays and a location detection circuit. The location detection circuit is configured to dynamically detect respective electronic device's spatial position and orientation and to transmit detection results to at least one of the electronic devices. When an user instructs a source electronic device of the electronic devices to transmit a target image object toward a target direct, the forwarding electronic device transmits a target command corresponding to the target image object to a candidate electronic device of the member electronic devices to perform corresponding multimedia interaction operations only if a relative position between the candidate electronic and the target direct satisfies a predetermined condition. Thus a multimedia interaction result being inconsistent with user experience or unexpected and generated from the source electronic device of multimedia interaction instruction and other electronic devices can be effectively reduced.
Owner:REALTEK SEMICON CORP
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