Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

85 results about "Speed grade" patented technology

The speed grade defines the timing performance of the device in the same way that your CPU has a clock frequency and your RAM has a RAS, CAS and data rate specifications. Exceeding the data sheet and timing report, like overclocking your CPU or RAM, is not guaranteed to work.

Network-adaptive mobile application data loading method

The invention discloses a network-adaptive mobile application data loading method. The method comprises the steps of S1, dividing a plurality of internet speed grades in the sequence from high to low according to the network bandwidth in the sequence of from large to small, wherein different network speed grades correspond to network data resources of different quality, and the quality of the network data source corresponding to the top network speed grade is the best; S2, opening mobile application through the mobile terminal, sending a speed test request to a service terminal, and recording the speed test request data; S3, receiving the feedback data of the service terminal, and calculating the network bandwidth according to the speed test request data and the feedback data; S4, acquiring the current network speed grade of the mobile terminal according to the calculated network bandwidth, and loading the network data resource with the corresponding quality according to the acquired network speed grade request. With the adoption of the method, the speed of the network in which the mobile application is accessed can be detected and graded dynamically, thus the resources can be conveniently and selectively loaded, and the data can be adaptively loaded while switching the network access mode.
Owner:SHANGHAI CTRIP COMMERCE CO LTD

System and method for monitoring vibration of power transformer

The present invention provides a system and method for monitoring vibration of a power transformer. The system comprises at least one vibration sensor operably mounted to the outer case of a transformer for sensing vibration of the power transformer; a spectrum analyzer for processing the vibration signal from the vibration sensor, the spectrum analyzer generating a frequency spectrum of the vibration signal and calculating a velocity rating from the frequency spectrum; a diagnosing means for evaluating the velocity rating of the vibration signal, the diagnosing means assigning a vibration grade for each velocity rating, the diagnosing means finding the maximum velocity rating; and a means for dispatching a control message to an operator when the maximum velocity rating reaches a threshold value. It can be appreciated that the mechanical health of a large-sized transformer can be managed in a systematic and efficient manner during its operation. This system can prevent accidents due to the mechanical failure of the transformer or diagnosing failure of the transformer itself during its operation. This system also can provide useful information to determine when the transformer has to be replaced and further to predict what the expected lifespan of the transformer will be.
Owner:KOREA ELECTRIC POWER CORP

Self-adapting pilot frequency dispensing device and self-adapting pilot frequency dispensing method in OFDMA system

The invention provides a self-adapting pilot frequency dispensing device and a self-adapting pilot frequency dispensing method in an OFDMA system. A transmitting end comprises a pilot frequency configuration determination module, a pilot frequency power determination module and a pilot frequency dispenser, wherein the pilot frequency configuration determination module is used for selecting corresponding pilot frequency configurations from preset pilot frequency configurations and sending the corresponding pilot frequency configurations to the pilot frequency dispenser according to the speed grade of a terminal and channel condition; the pilot frequency power determination module is used for determining a corresponding pilot frequency power according to the distance between the terminal and the transmitting end and sending the corresponding pilot frequency power to the pilot frequency dispenser; and the pilot frequency dispenser is used for carrying out pilot frequency distribution adaptively for different terminals according to the related information sent by the pilot frequency configuration determination module and the pilot frequency power determination module. The device and the method give comprehensive consideration to the self-adaptation of the pilot frequency configuration and the pilot frequency power, reduce the consumption of the pilot frequency power, and improve the estimated performance of a whole channel.
Owner:ZTE CORP

Method for testing speed-adjusting function of system fan

The invention provides a method for testing the speed-adjusting function of a system fan, wherein the IPMI (Intelligent Platform Management Interface) instructions of an OEM (original equipment manufacturer) are sent to a BMC (Baseboard Management Controller); according to the IPMI instructions, the BMC controls the system fan in four grades, such as a low speed, an intermediate speed, a high speed and a full speed, then checks the rotation speed of the fan, and determines whether the rotation speed of the fan is in a specific rotation speed grade; therefore, the purpose of testing and verifying the correctness of the speed-adjusting function of the fan is achieved; and the method comprises the following specific steps: (1) formatting a U flash disk into a Dos startup disk under a windows system; (2) copying IPMIToo1 software under Dos into the U flash disk; (3) starting a system to enter the Dos, sending specific IPMI instructions to the BMC by using the IPMIToo1 software, and controlling the rotation speed of the fan to be in a specific rotation speed grade according to the IPMI instructions by the BMC; and (4) sending the IPMI instructions to read all rotation speeds of the fan by using the IPMIToo1 software, and judging whether all the rotation speeds of the fan are below the specific rotation speed grade.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Relay valve for brake system of high-speed train

The invention relates to a relay valve arranged in an air brake system and playing a role through the change of air pressure inside a control pipeline, in particular to a relay valve for a brake system of a high-speed train. The relay valve comprises a valve body, a movable cavity and a diaphragm plate type piston, wherein the valve body is internally provided with at least two air inlet channels; the movable cavity is arranged in the valve body and communicated with the air inlet channels; and the diaphragm plate type piston is arranged in the movable cavity and controls the air pressure inside the movable cavity through the air inlet channels so that the movable cavity is positioned on a preset position, therefore the integral relay valve can be in a remission state, a brake state and a brake hold state. The invention provides the relay valve for adapting to control strategies of the brake system of the high-speed train, precontrol pressure is input into the relay valve, therefore the relay valve outputs high-flow brake pressure changed with the precontrol pressure to a brake cylinder to achieve the effects of brake, pressure maintaining, remission, and the like of the high-speed train; and in addition, the relay valve can also regulate the output brake cylinder pressure according to the speed grade of the high-speed train.
Owner:LOCOMOTIVE & CAR RES INST OF CHINA ACAD OF RAILWAY SCI

Large-rotation high-speed punching progressive die of multi-column electric motor stator

ActiveCN104001790ASolve the problem of parallelismMeet high demands on coaxialityPunchingEngineering
The invention relates to a large-rotation high-speed punching progressive die of a multi-column electric motor stator. The large-rotation high-speed grading die comprises an upper die, a lower die, a blanking concave die, a locking ring and a torsion sleeve, wherein the lower die comprises a concave die plate and a lower die seat, the upper end of the torsion sleeve is arranged in the concave die plate, the lower end of the torsion sleeve extends downwards into the lower die seat, the torsion sleeve and the lower die seat are axially position-specified and are in circumferential running fit, both of the blanking concave die and the locking ring are tightly matched in an upper port of the torsion sleeve, the locking ring is arranged below the blanking concave die, and the blanking concave die, the locking ring, the torsion sleeve and the lower die plate form a vertical blanking channel. During working, the blanking concave die rotates for a certain after each stamping, a previous punching sheet and a next punching sheet are alternately overlapped in a thick-thin manner, thus, the problem of very poor parallelism degree of a stator core due to non-uniform thickness difference of raw materials is effectively solved, high requirement of stator core coaxiality can be completely satisfied when multiple shaft holes are punched by the same set of die, and product quality and efficiency are improved. The large-rotation high-speed grading die belongs to the technical field of die equipment.
Owner:宁波建欣精密模具有限公司

Method for controlling speed of mapping of gesture movement to interface

InactiveCN102707802ASolve the problem of moving gestures far awayMove quicklyInput/output for user-computer interactionGraph readingComputer scienceSpeed grade
The invention discloses a method for controlling speed of mapping of a gesture movement to an interface. The method includes the following steps that the speed of the movement of a gesture in the air is changed, so that the ratio between movement distance of the gesture mapped to the interface and movement distance of the gesture in the air is changed; the movement speed of the gesture in the air is set as a first speed grade, a second speed grade and a third speed grade; when the movement speed of the gesture in the air is the first speed grade, the ratio between movement distance of the gesture mapped to the interface and movement distance of the gesture in the air is set as P1; when the movement speed of the gesture in the air is the third speed grade, the ratio between movement distance of the gesture mapped to the interface and movement distance of the gesture in the air is set as P2; and when the movement speed of the gesture in the air is the second speed grade, the ratio between movement distance of the gesture mapped to the interface and movement distance of the gesture in the air is set as P, the P increases with the increasing of the movement speed of the gesture in the air, and the P is larger than the P1 and smaller than the P2.
Owner:SOUTH CHINA UNIV OF TECH

Device for generating baseband signal of continuous pulse radar

The invention discloses a device for generating a baseband signal of continuous pulse radar. The device for generating the baseband signal of the continuous pulse radar is composed of an interface unit, a cache unit, an acceleration unit, a digital-to-analogue conversion unit and the like, wherein the interface unit is used for reading out a compressed digital baseband signal from a read-only memory, decompressing the compressed digital baseband signal to generate a timing control signal which is needed by a system and updating the compressed digital baseband signal in the read-only memory in real time through communication with the outside, the cache unit is used for caching a large amount of compressed digital baseband data and achieving first-time acceleration of the baseband data, the acceleration unit is used for rapidly reading out multiple paths of digital baseband signals from the cache unit and then improving the speed by times until the speed reaches the speed grade of the digital-to-analogue conversion unit, and the digital-to-analogue conversion unit is used for converting the digital baseband signal into analogue baseband signals. The device for generating the baseband signal of the continuous pulse radar has the advantages that large-pulse-width baseband signals can be output, and predistortion of a waveform is available. The device for generating the baseband signal of the continuous pulse radar is mainly applied to continuous pulse radar exciters.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI

Air-conditioner with purifying function and control method thereof

The invention provides a control method of an air-conditioner with the purifying function. A driving device, a purifying assembly and an indoor unit fan are arranged inside an indoor unit of the air-conditioner. The purifying assembly is driven by the driving device to move between an initial position away from an air inlet of the indoor unit and a purifying position used for sheltering the air inlet. The indoor unit fan leads air from the air inlet into the indoor unit to be adjusted and then sends the air outwards. The control method includes the steps that trigger signals of the air-conditioner entering into the purifying mode are acquired; the driving device is started to drive the purifying assembly to move towards the purifying position; and the set air speed grade of the indoor unit fan is obtained, and the air speed grade of the indoor unit fan is lowered gradually in the moving process of the purifying assembly until the air speed of the indoor unit fan is lowered to the lowest grade or the purifying assembly arrives at the purifying position. According to the scheme, noise caused by air turbulence in the process that airflow enters the air inlet can be avoided, and using experience of users is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products