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Precise Time-Tag Generator For A Local-Area-Network MonitorTime-tag-generating circuit designed for use in LAN monitor, monitors frames of data transmitted among computers on local-area network (LAN). To each frame of data that LAN monitor receives from LAN, time-tag generator appends ancillary data on time of arrival of frame, precise to within 1 microsecond of centrally generated time signal. Inserts ancillary time data in place of already used frame-check data before frames of data stored in memory of LAN monitor.
Document ID
19950065476
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Stauffer, David R.
(International Business Machines Corp.)
Tran, Khoa Duy
(International Business Machines Corp.)
Date Acquired
August 17, 2013
Publication Date
July 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 7
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
MSC-22487
Accession Number
95B10317
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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