H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/10
H04J 3/02 (2006.01) H04B 7/212 (2006.01) H04J 3/06 (2006.01)
Patent
CA 1161972
ABSTRACT OF THE DISCLOSURE Apparatus for re-sequencing time division multi- plexed (TDM) data having frames each comprising a series of consecutive data words delivered to the apparatus at a specified rate and each data word representing one of a plurality of data channels interleaved within the frames, comprises a memory having the TDM data ap- plied to data input lines and having write address selection lines, read address selection lines, and data output lines a counter counting at the specified rate and having a plurality of address bit outputs for apply- ing a first sequence of addresses to the write address selection lines when the TDM data is written into the memory and for applying a second sequence of addresses to the read address selection lines when the TDM data is read out of the memory. The counter includes first and second counting subsections with the first counting subsection counting at a first rate and indicating to which of the frames each said data word belongs, the first and second sequences being different from one another whereby the read out TDM data is re-organized so as to place a plurality of data words representing a single data channel into a contiguous block of time.
359921
Deal Joseph H.
Gupta Shanti S.
Warner Brady
Communications Satellite Corporation
G. Ronald Bell & Associates
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