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78results about How to "Fix technical issues with lower reliability" patented technology

Over-current protection circuit

The invention discloses an over-current protection circuit. The over-current protection circuit comprises at least one electrical parameter sampling circuit used for taking samples of at least one electrical parameter of a target circuit; at least one comparison circuit which is connected with the at least one electrical parameter sampling circuit in a one-to-one correspondence manner, wherein each comparison circuit is used for comparing a sampling result of a corresponding electrical parameter sampling circuit with a corresponding preset electrical parameter threshold value and outputting acomparison result; a normally open switching circuit which is enabled by an output terminal of the at least one comparison circuit and is used for conducting or breaking connection between a power supply and a power supply input terminal of a target circuit; a normally closed switching circuit used for conducting or breaking connection between the power supply and the power supply input terminal of the target circuit; and a positive temperature coefficient temperature-sensitive PTC resistor connected in series with the normally closed switching circuit. According to the invention, the technical problem that the over-current protection circuit in the prior art is relatively low in reliability is solved.
Owner:GREE ELECTRIC APPLIANCES INC

Communication machine room

The invention discloses a communication machine room. The communication machine room can comprise a spare communication region, reservation equipment and a primary communication region, wherein the spare communication region is arranged adjacent to the primary communication region and used for placing a spare communication line and spare communication detection equipment; the reservation equipmentcomprises a communication power supply, cable distribution equipment, IP multimedia subsystem (IMS) equipment, transmission equipment and a server; the primary communication region is used for placing the reservation equipment, the primary communication region comprises multiple subregions, and a preset distance is kept between every two adjacent subregions; and the spare communication detectionequipment is used for detecting whether the communication power supply in the reservation equipment is in fault or not, and when a detection result shows that the communication power supply in the reservation equipment is in fault, the spare communication line is controlled to be connected with the primary communication zone in series, so that normal communication in the primary communication region is realized. The communication machine room disclosed by the invention solves the technical problem that reliability of a communication site is relatively low as arrangement of the communication site is unreasonable in related technologies.
Owner:STATE GRID CORP OF CHINA +2

Foot landing determination method and device based on six-axis sensor

The invention discloses a foot landing determination method and device based on a six-axis sensor. The foot landing determination method comprises the steps that movement data of an exerciser during the movement are collected, wherein the movement data are movement characteristic data and moments corresponding to the movement characteristic data detected by the six-axis sensor in the movement process of the exerciser; the moments corresponding to the movement characteristic data are subjected to characteristic point extraction, and predetermined characteristic points are obtained; movement characteristic data of a time interval where moments corresponding to the predetermined characteristic points are located are subjected to characteristic value extraction, so that characteristic vectorsof target movement data in the movement data are generated based on extracted characteristic values; and a foot landing mode of the exerciser is determined based on the characteristic vectors. According to the foot landing determination method and device based on the six-axis sensor, the technical problem that the reliability of a mode for detecting the foot landing mode of the exerciser in the correlation technology is low is solved.
Owner:BEIJING CALORIE INFORMATION TECH CO LTD
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