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53results about How to "Provide quality" patented technology

Current transformer

A current transformer includes a Rogowski coil, having an opening at the center in which a conductor penetrates, comprising, a printed circuit board having a plurality of layers forming at least first to fourth circuit board surfaces including a circuit board top surface, a circuit board bottom surface and circuit board conducting internal surfaces between the circuit board top surface and the circuit board bottom surface, a plurality of radial metal foils, each metal foil radiating from a center that is approximately the center of the opening, mounted on the first to fourth circuit board surfaces, a first winding formed by electrically connecting metal foils on the first and second circuit board surfaces with first plated through holes penetrating the first and second circuit board surfaces in a thickness direction of the printed circuit board, a second winding formed by electrically connecting metal foils on the third and fourth circuit board surfaces with second plated through holes penetrating the third and fourth circuit board surfaces in a thickness direction of the printed circuit board, a first return circuit line electrically connected with the first winding in series, a second return circuit line electrically connected with the second winding in series, and a pair of the first winding and the first return circuit line and a pair of the second winding and the second return circuit line being electrically connected in series.
Owner:KK TOSHIBA

Fire protection cover apparatus for structures

InactiveUS20040074152A1Deployed and retracted with easeAffordable costSunshadesShutters/ movable grillesFastenerFire protection
An apparatus, a wildfire protection method for houses and other structures from the destructive forces of a wildland fire. The current form of the preferred embodiment consists of a highly fireproof material, which is pre-fitted to cover each area of structure including gables or dormers one section at a time. The material is contained on a fireproof deployment apparatus such as a roller means having a retractable mechanism. The deployment apparatus is contained and secured within a housing, this housing being supported by firmly mounting it to strategic areas of the architectural structure. Once installed, deployment of the fireproof covering material is accomplished by unrolling the material from one side of the fireproof deployment apparatus. Each pre-fitted section of fireproof material contains reinforced edges, which are fitted with multiple fasteners by which to attach one section of said fireproof material to another as each is deployed from a series of apparatus. Each section of material is deployed in sequence and fastened to other nearby sections. The fireproof material once deployed by sections and fastened over the entire structure will provide protection from the high heat and burning embers associated with wildfires. Total structure coverage is accomplished very quickly by using several of these apparatus in series, each of which are strategically attached to the structure architecture.
Owner:ROGERS WILLIAM +1

System apparatus and method for interconnecting TDM and frame/packet communication networks

An interconnection between fully synchronous networks of the prior art and next generation frame communications networks, which is required for the shift to next-generation packet networks and a broader-based connection service, is realized. Here, the first point is that a means of bidirectional frame format conversion between a synchronous multiplexing system and a logical multiplexing system is provided, and a method of transmitting data between different networks on a path as if it was being transmitted in the same network. The second point is that when converting network control information in an STM network into data suitable for a packet network, even across the boundary of a synchronous multiplexing system and a logical multiplexing system, a unified communication management means is provided over the whole path. For this purpose, a hierarchized logical path control method is used wherein, in a network comprising two or more information relay devices having one or more line interfaces, this network performs communication between information relay devices using data packets, and has a means, when performing communication between any two points in the network, to control the path via which the packets pass between arbitrary end points, and the communication control means has a first communication path management function which performs communication management at the connection level which is terminated at the end point of a communication section, and a second communication path management function which performs communication management for each section of a physical circuit or logical circuit which is terminated at each communication section between any adjacent information relay devices in the communication section.
Owner:HITACHI LTD
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