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Peer-to-peer file download system for IPTV network

InactiveUS20080022012A1Maintain accuracy , security and accountabilityIncrease in sizeMultiple digital computer combinationsTransmissionClient-sideData file
In an IPTV or other network, a server terminal is interconnected with a number of client / peer terminals. For peer-to-peer file downloads, a data file having multimedia content (e.g., a television show) is split into a number of portions for distribution among the peer terminals. The size of each file portion increases according to the chronological order of the multimedia content, such that the first data file portion (containing the beginning of the content) is the smallest, and the last portion (containing the end of the content) is the largest. Having been provided with their network locations, a terminal obtains the file portions in either a sequential mode, where the file portions are obtained in correspondence to the sequential or chronological order of the multimedia content, or a random mode, where the file portions are obtained irrespective of the chronological order of the multimedia content.
Owner:LUCENT TECH INC

Dynamizable orthopedic implants and their use in treating bone defects

The present invention generally relates to bone fixation devices and methods for promoting arthrodesis of bone defects. The bone fixation devices can provide sufficient support to the bone defect while allowing bone ingrowth and minimizing the risk to stress shield and / or pseudo-arthrodesis. The bone fixation devices include a degradable component that allows the device to gradually transfer the load from the supporting member to the growing bone structure in vivo.
Owner:SDGI HLDG

Electric arc welder using high frequency pulses

InactiveUS6515259B1Efficiently transferredMaximized efficiency and heatArc welding apparatusWave shapeElectric arc
An electric arc welder including a high speed switching power supply with a controller for creating high frequency current pulses through the gap between a workpiece and a welding wire advancing toward the workpiece, where the pulses and a background current defining a series of weld cycles. A wave shape generator defines the shape of the pulses and the background current including a controlled ramp up and / or ramp down in each of said cycles and a circuit to change the shapes of the pulses and / or background current in a repeating pattern in each of the weld cycles. The shape change in a cycle can be between first and second shapes or by a rhythmic AC modulation.
Owner:LINCOLN GLOBAL INC
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