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557 results about "Group system" patented technology

Wireless chat automatic status tracking

A technique and apparatus to provide status tracking of presence and/or location of a mobile, wireless device to a requesting entity even outside of a particular wireless system. This allows wireless service providers the ability to monitor and log changes in the status of mobile stations within and/or outside their networks. Embodiments are disclosed wherein presence and/or location information is provided to entities outside of a particular servicing wireless network using the mechanisms of call processing components of a mobile network (e.g., call setup procedures), and using standard mechanisms currently available to any appropriately conforming Mobile Switching Center (MSC) element. In one disclosed embodiment, a wireless chat tracking system is implemented which utilizes a change in mobile registration status to automatically notify a chat group system outside the wireless network of current status information activity regarding a relevant device, e.g., registration activity or inactivity timeout. In the wireless chat automatic status tracking system, a registration notification (REGNOT) message is either explicitly forwarded or copied to an external IP based application (e.g., to a mobile chat group system). The change in mobile registration is communicated via a suitable signaling link (e.g., SS7, TCP/IP, etc.) between a Home Location Register (HLR) and the chat group system. Therefore, instead of a conventionally closed system using SS7 messages, REGNOT messages are pushed out over TCP/IP connections to external applications (e.g., chat servers) to automatically notify the external system of the location of a particular user.
Owner:TELECOMM SYST INC

Yellow River upstream cascade hydroelectric station operation design and optimized dispatching method as well as equipment

The invention relates to a method for united operation design and optimized dispatching of a Yellow River upstream cascade hydroelectric station, which comprising the following steps of: measuring daily average reservoir level and downstream daily average tail-water level of each power station through a water level sensor; measuring discharged flow of each power station through an ultrasonic flowmeter; establishing a cascade reservoir united optimized dispatching model through a cascade hydroelectric station united optimized dispatching model module; computing and analyzing a cascade hydroelectric station united optimized dispatching path through a dispatching path computation and analysis module; carrying out unified operation design on a cascade hydroelectric station group system through a cascade hydroelectric station group system unified operation design module; and carrying out unified dispatching on the cascade hydroelectric station group system through a cascade hydroelectric station group system unified dispatching module. The invention is simple, clear and practical with high pertinence, can enable average annual energy output of a Yellow River upstream cascade power station group after the power stations in Laxiwa and Jishi valley are put into operation to be increased by about 470 million degrees, and the water supply guarantee rate of Lanzhou cross section to reach95 percent, and has remarkable technical economic benefit.
Owner:WUHAN UNIV +1

Battery grouping method and battery grouping system

The invention relates to a battery grouping method and a battery grouping system. The battery grouping method comprises the following steps: S1, putting batteries into a secondary battery performance detection cabinet and carrying out first time of capacity grading according to effective data; S2, putting the batteries into the secondary battery performance detection cabinet again and carrying out second time of capacity grading according to the effective data; by taking a capacity which is detected at the second time as the standard, selecting batteries with abnormal capacities; by taking voltage drop as the standard, selecting batteries with abnormal voltage; S3, carrying out alternating-current internal resistance detection, direct-current internal resistance detection and voltage drop detection; grading according to a numerical value range of a discharging capacity which is detected at the second time; after grading, carrying out grading grouping on the batteries according to the voltage drop and the numerical value ranges of an alternating-current internal resistance value and a direct-current internal resistance value. The battery grouping method and the battery grouping system have the beneficial effects that by detecting the capacities, the voltage drop and the inner resistances for two times, bad battery single bodies can be selected and battery packs which meet actual working conditions to the greatest extent can be highly precisely grouped.
Owner:福建省致格新能源电池科技有限公司
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