Error detecting code addition circuit, error detection...

Details Error detecting code addition circuit, error detection... Error detecting code addition circuit, error detection...

2005-11-17

2009-10-20

Lamarre, Guy J (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

C714S710000, C714S785000

Reexamination Certificate

active

07607074

ABSTRACT:
An error detector includes a substitute value output section outputting a specific substitute value corresponding to an encoding byte sequence Q of input byte data by referring to a table storing, as a substitute value, a value obtained by inputting a substitute code string to a shift register that produces an error detecting value upon input of a code string in an encoding byte sequence Q, a bit processing operation section calculating an error detecting value per byte, and a byte processing operation section outputting an error detecting value of a code string. The substitute code string contains byte data of K number of bytes where only predetermined bit data in byte data corresponding to the encoding byte sequence Q indicates “1” and all other bit data indicates “0”. The bit processing operation section processes each byte data and its substitute value in a different processing sequence from the encoding sequence.

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patent: 2003/0135798 (2003-07-01), Katayama et al.
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Taiwanese Office Action dated Apr. 27, 2009 with English Translation.
Japanese Office Action dated Nov. 18, 2008 with Partial English Translation.

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