Pulse or digital communications – Testing – Data rate
Patent
1995-05-15
1997-08-12
Chin, Stephen
Pulse or digital communications
Testing
Data rate
375355, H04L 700
Patent
active
056573472
ABSTRACT:
A data reception control device for receiving a group of commands transmitted by a start-stop transmission method including a first type of commands of which data transmission rates are detectable and a second type of commands of which data transmission rates are undetectable. The data reception control device includes a data transmission rate determinator for determining a data transmission rate from the start bit length of the first character of a received command; a clock generator for generating a sampling clock for data bit synchronization in accordance with the data transmission rate obtained; a data receptor for receiving character data of the command based on the sampling clock; a data element analyzier for analyzing data elements of the received command; a judgment device for judging whether a next command is of a type having the same data transmission rate as the preceding command based on results of data element analysis; and a data reception controller for controlling the data receptor in such a manner that character data of the next command is received by using a sampling clock corresponding to the data transmission rate of the preceding command if the judgment device judges that the next command is of a type having the same data transmission rate as the preceding command.
REFERENCES:
patent: 4761800 (1988-08-01), Lese
patent: 5072407 (1991-12-01), Gutz et al.
patent: 5222081 (1993-06-01), Lewis et al.
Chin Stephen
Kim Kevin
Mita Industrial Co. Ltd.
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