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Real-time simulation clockThe invention is a clock for synchronizing operations within a high-speed, distributed data processing network. The clock is actually a distributed system comprising a central clock and multiple site clock interface units (SCIUs) which are connected by means of a fiber optic star network and which operate under control of separate clock software. The presently preferred embodiment is a part of the flight simulation system now in current use at the NASA Langley Research Center.
Document ID
19900014397
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Bennington, Donald R. (NASA Langley Research Center Hampton, VA, United States)
Crawford, Daniel J. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 14, 2013
Publication Date
April 17, 1990
Subject Category
Instrumentation And Photography
Accession Number
90N23713
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,918,652|NASA-CASE-LAR-14056-1
Patent Application
US-PATENT-APPL-SN-251073|US-PATENT-APPL-SN-010949

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