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6591results about How to "Increase load" patented technology

Transmission system, delivery path controller, load information collecting device, and delivery path controlling method

A transmission system, having a plurality of delivery server side routers which communicate with a plurality of delivery servers for delivering a content; and a client side router which communicates with a client device for receiving the content, is configured to include: a database for storing server load states of the plurality of delivery servers, and respective individual link load states for a plurality of delivery paths between the plurality of delivery server side routers and the client side router; and a path control unit for determining a minimum load state delivery path having a minimum load state among the plurality of delivery paths, based on sums of the server load states and the respective individual link load states stored in the database.
Owner:FUJITSU LTD

Data storage method, device and system and management server

InactiveUS20100268908A1Increase load on and instabilityLow utilization ratioError detection/correctionMemory adressing/allocation/relocationInstabilityResource utilization
The present invention relates to a data storage method, device and system and a management server. The data storage method includes: constituting a data pool from all of n data storage devices; when there is data for storage, polling all the devices in the data pool to select a group of m devices, and storing the data onto each of the selected group of m devices, where m is larger than one and smaller than n. The embodiments of the invention can address the problems of an existing data storage approach that a failing node causes an increased load on and instability of another node and that each node in the existing data storage approach has a low utilization ratio and poor predictability, so as to achieve uniform loads on the devices and high reliability of the nodes despite any failing node and improve the resource utilization ratio and predictability of the nodes.
Owner:CHINA MOBILE COMM GRP CO LTD

Storage apparatus provided with a plurality of nonvolatile semiconductor storage media and storage control method

A storage apparatus is provided with a plurality of nonvolatile semiconductor storage media and a storage controller that is a controller that is coupled to the plurality of semiconductor storage media. The storage controller identifies a first semiconductor storage unit that is at least one semiconductor storage media and a second semiconductor storage unit that is at least one semiconductor storage media and that is provided with a remaining length of life shorter than that of the first semiconductor storage unit based on the remaining life length information that has been acquired. The storage controller moreover identifies a first logical storage region for the first semiconductor storage unit and a second logical storage region that is provided with a write load higher than that of the first logical storage region for the second semiconductor storage unit based on the statistics information that indicates the statistics that is related to a write for every logical storage region. The storage controller reads data from the first logical storage region and the second logical storage region, and writes data that has been read from the first logical storage region to the second logical storage region and / or writes data that has been read from the second logical storage region to the first logical storage region.
Owner:HITACHI LTD

System and method for updating encryption key for wireless LAN

System for updating an encrypted key, by means of which the WEP of IEEE 802.11 can be applied to a wireless LAN system having plural APs and a large number of STAs. A key management server is LAN-connected to the APs. A set of plural (k) encrypted keys used for wireless communication between the entire APs and STAs is provided and managed monistically. If an encrypted key is updated in the key management server, the updated key is delivered to each of the APs and the STAs.
Owner:NEC CORP

Power supply and method for controlling it

A self-powered apparatus includes a solar power cell, a battery, and a load. The load may include one or more load functions performed using power provided by one or both of the solar power cell and the battery. The inclusion of a battery permits the solar power cell to be sized much smaller than if the solar power cell was the only supply of power. A programmable controller selectively regulates power provided to one or more load functions and also selectively regulates whether one or both of the power cell and battery supplies the power. Switching circuitry, controlled by the programmable controller, selectively couples one or both of the battery and the solar cell to supply energy for powering the load. In a preferred example embodiment, the controller couples the battery and / or solar cell to charge a super capacitor, which then is selectively controlled to power the load. The programmable controller determines and prioritizes load function power requirements, and based thereon, determines which load functions will be powered based the priority of the load function requirements and the amount of power that can be supplied by the solar power cell as supplemented by the battery.
Owner:PCS FERGUSON
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