Pulse or digital communications – Repeaters – Testing
Patent
1990-10-22
1992-07-21
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
370 43, 370 83, 370 99, 341 95, 375121, H03K 5156
Patent
active
051329891
ABSTRACT:
Binary words of the same length are grouped in codewords having a capacity for data bits which is not an integral multiple of the number of bits in a data word. Each of the codewords has the same length, and includes a plurality of data words in their entirety and all but a given number of bits of one other data word. A header codeword is provided which contains information identifying the number of following codewords related to that header, and a fixed length data field. The fixed length data field includes the missing bits from each of the incomplete data words in the following codewords. In one embodiment, the number of missing data bits contained in the header is used as an indication of the number of the following codewords. The location of the first of the missing data bits may be indicated by filling out the unused leading portion of the fixed length field with a string of zeros ending in a single one.
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patent: 4420833 (1983-12-01), Noirel
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patent: 4833470 (1989-05-01), Iketani
patent: 4885749 (1989-12-01), Golden
patent: 4899149 (1990-02-01), Kahan
Safourek Benedict V.
Treacy David R.
U.S. Philips Corporation
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