METHOD FOR DATA TRANSMISSION IN A SERIAL COMMUNICATION PROTOCOL BY MEANS OF TELEGRAMS AND DATA TRANSMISSION DEVICE USING THIS METHOD
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United States of America Patent
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Issued Date -
Jan 15, 2009
app pub date -
Jul 11, 2008
filing date -
Jul 13, 2007
priority date (Note) -
Abandoned
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Abstract
A method for data transmission in telegrams in a serial communication protocol comprises the following steps: assigning the user data to be transmitted to telegrams the basic structure of which comprises a telegram header which includes information data about the telegram length, addressing, distribution of the user data to be transmitted into several telegrams or the like; a user data block which includes at least a part of the user data to be transmitted; and a checksum block which includes a checksum that is determined according to a checksum algorithm at least from the user data; and transmission of the telegrams in consecutive intervals along a data transmission path. In this process, the user data block of the telegrams is divided into several user data sub-blocks each of which is protected individually by checksum sub-blocks.
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