Multiplex communications – Wide area network – Packet switching
Patent
1984-08-31
1987-08-04
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
H04J 302
Patent
active
046851062
ABSTRACT:
A high rate multiplexing system which is capable of operating on multiple channels while ensuring synchronization of the system operation. The system includes a basic timing network for synchronizing the system operation. Automatic phase adjusters are used to re-align data signals with a clock signal whenever data transitions occur while the data is being sampled. Synchronizing circuits are used to insert synchronization data bits into the multiplexed data streams where appropriate. A medium rate multiplexer generates two different data streams, certain clock signals and strobe signals. A higher rate multiplexer is capable of operation in different modes, including but not limited to wideband operation or narrow band operation. A Manchester encoder combines data output signals into a single aggregate data stream.
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Johnson Clifford T.
Miller Larry J.
Rattlingourd Glen D.
Bowen Glenn W.
Olms Douglas W.
Rokoff Kenneth I.
Sperry Corporation
Weber Jr. G. Donald
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