Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Futoshi Izumi0
Date of Patent
October 12, 2010
Patent Application Number
12506397
Date Filed
July 21, 2009
Patent Primary Examiner
Patent abstract
In a receiving-side printed circuit board, a reflected-waveform analyzing unit analyzes a reflected wave generated in a transmission line on a backplane along with transmission of a signal from a transmitting-side printed circuit board, and acquires waveform data that indicates a waveform of the reflected wave. An input signal identifying unit calculates a size of the reflected wave that is currently received based on the waveform data and data on previously received signals. The input signal identifying unit corrects a threshold value by the calculated size, and identifies a state of a bit indicated by the signal from the transmitting-side printed circuit board.
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