Excavating
Patent
1997-03-26
1999-01-26
Tu, Trinh L.
Excavating
455 673, G06F 1100, H04B 1700
Patent
active
058645705
ABSTRACT:
A method and apparatus utilize an original stream (424) for communicating. Additional data is selected from predetermined messages to define a selected message (422). The original stream is altered (604) in a manner corresponding uniquely with the selected message to form a transmission stream (522) having a size identical to that of the original stream, and the transmission stream is then communicated (606, 608). The alteration of the stream is reversed (612) as it applies to the predetermined messages, thereby generating candidate streams. An error tally (544) corresponding to each of the candidate streams is determined (614) from an error checking mechanism (310, 312). From the candidate streams a member is selected corresponding to a lowest error tally, the member thereafter defined (620) to be a restored original stream. One of the predetermined messages is selected (622) as the selected message associated with the lowest error tally.
REFERENCES:
patent: 5384565 (1995-01-01), Cannon
patent: 5396660 (1995-03-01), Cannon
patent: 5463382 (1995-10-01), Nikas et al.
patent: 5473612 (1995-12-01), Dehner, Jr. et al.
patent: 5526401 (1996-06-01), Roach, Jr. et al.
Briancon Alain Charles Louis
Dorenbosch Jheroen Pieter
Lin Jyh-Han
Breeden R. Louis
Motorola Inc.
Tu Trinh L.
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