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108results about How to "Maintenance cost" patented technology

Access system for a cellular network

The present invention relates to a method and system for providing access to a cellular network (8), wherein a terminal device (1) is connected to an access device (2) according to access specifications of a broadband access network (12) which is not specifically designed to be used as a part of cellular network (8). The terminal device (1) indicates to the access device (2) that it wishes to be connected to the cellular network (8), and a session or call and a radio bearer is setup between the terminal device (1) and the cellular network (8). To achieve this, a service node (5) provided in the cellular network (8) requests a suitable access bearer from the access network (12) and the access device (2) sets up a corresponding access channel towards the terminal device (1). The terminal device (1) then associates the access channel to the correct radio bearer by using a corresponding identification. Thereby, service functions of the cellular network, e.g. UMTS services, can be distributed via any access network and existing broadband or high-speed access networks can be implemented in new cellular network structures. A huge capacity enhancement can thus be offered to the network operators of the cellular network without any standardization effort or license fee and at very small investment and maintenance costs.
Owner:NOKIA TECHNOLOGLES OY

Test Plug and Method for Monitoring Downstream Conditions

InactiveUS20100083738A1Reduces required time and complexityReduce the possibilityDetection of fluid at leakage pointTransducerEngineering
A test plug assembly (10, 50, 90) includes a shaft (24, 56, 100) on which an annular elastic seal (22, 68, 94) and compression elements (32, 34, 62, 106, 110) are mounted. The compression elements (32, 34, 62, 106, 110) confront opposite axial sides of the annular seal (22, 68, 94) and are movable relative to one another for axially compressing and radially expanding the seal (22, 68, 94) into fluid-tight sealing engagement with an inner peripheral wall (38, 70, 96) of a pipe (16, 52, 92). A transducer (42, 80, 122) is mounted on the distal end of the shaft (24, 56, 100) and measures a condition within the pipe (16, 52, 92) at a location beyond the seal (22, 68, 94). As one example, the transducer (42, 80, 122) is a temperature compensation pressure transducer for obtaining pressure measurements within the downstream portion of the pipe (16, 52, 92) beyond the test plug (10, 50, 90). The transducer (42, 80, 122) produces electrical signals and is in communication with a control unit (982) located externally of the pipe (16, 52, 92). The control unit (982) converts the electronic signals of the transducer (42, 80, 122) for driving a display apparatus (983) to provide visible or audible information and/or warning signals concerning the measurements. The control unit (982) is responsive to transducer signals for automatically terminating welding of a pipe when the signals indicate that pressure at the distal end of the shaft (24, 56, 100) beyond the seal (22, 68, 94) is at a prescribed undesired level.
Owner:EST GROUP
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