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30results about How to "Guarantee capability" patented technology

Media access control (MAC) address hardware learning method and system based on hash table and ternary content addressable memory (TCAM) table

The invention discloses a media access control (MAC) address hardware learning method and system based on a hash table and a ternary content addressable memory (TCAM) table, and relates to the MAC address learning field. According to the MAC address hardware learning method and system, when no MAC address conflict happens, the hash table is used for storing learned MAC addresses, and a static random access memory (SRAM) or a dynamic random access memory (DRAM) is applied to the hardware of the hash table; and when MAC address conflict happens, the TCAM table is used for caching conflicted MAC addresses, a TCAM storage is applied to the hardware of the TCAM, idle table items can be positioned through one-time searching due to the fact that parallel seeking is performed on the hardware of the TCAM, and the number of the table items of the TCAM is the number of the conflicted MAC addressed which can be practically cached. The MAC address hardware learning method is achieved on a general programmable exchange chip, does not need support of hardware circuits, is high in learning efficiency and small in occupied internal memory resources, is flexible in application due to the fact that the general algorithm is adopted, and can achieve complete control on conflict probability.
Owner:FENGHUO COMM SCI & TECH CO LTD

Apparatus and method for managing virtual processing unit

A method and apparatus for managing a virtual processor including resources for operating application through a real central processing unit, which includes determining a utilization of a plurality of real CPUs to which a plurality of virtual processors are divided to be allocated; and repartitioning the virtual processors and reallocating the repartitioned virtual processor to at least part of the real CPUs, when the utilization of any one of the real CPUs is at a threshold or less.
Owner:ROVI GUIDES INC

Vehicular occupant protection device

An airbag device includes a squib, an ignition circuit, and a noise protection circuit. The noise protection circuit includes two zener diodes whose cathodes are facing each other and connected with each other. Further, the noise protection circuit is connected in parallel with the ignition circuit to thereby protect the ignition circuit from noise. This decrease the number of components in the noise protection circuit to thereby achieve the compact and low-cost airbag device.
Owner:DENSO CORP

Method for detecting neuraminidase influencing sperm functions

ActiveCN103454416AMore detectionMany clinical explanationsMaterial analysisMale infertilitySialidase
The invention provides a method for detecting neuraminidase influencing sperm functions. The method is a novel laboratory detecting method for assessing quality and functions of a sperm and can provide detection and clinical consultations for male infertility patients without clear clinical reasons for infertility. The method is characterized in that expressions of neuraminidase in the sperm are visually quantized through single sperm fluorescence strength analysis or are visually observed by means of fluorescence imaging under a microscope, and if the neuraminidase is highly expressed in the sperm, capacitation of the sperm is achieved through external capacitation liquid, and neuraminidase activity is detected in a fluorescence method.
Owner:成都思瑞多医疗科技有限公司

Fracturing device for extraction of coalbed methane in low permeability reservoir

Disclosed is a fracturing device for extraction of coalbed methane in low permeability reservoir. In the disclosure, by controlling the fracturing of fracturing pipes and the sealing of a segmented sealing mechanism for fracturing using a fracturing controller, the fracturing in fracturing holes can be effectively controlled. The segmented sealing mechanism for fracturing in the disclosure can separate each of the fracturing pipes in the fracturing holes separately in a sealed manner respectively, and perform segmented fracturing operations using each of the fracturing pipes, so as to effectively improve the uniformity and thoroughness of fracturing and ensure fracturing ability. In the disclosure, when the sealing operations are performed in each segment, the sealing effect of each segment can be ensured, and the sealing efficiency can be ensured, so that the fracturing ability of each segment of fracturing is improved to ensure the fracturing effect.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)
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