Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Seigo Takagi0
Date of Patent
June 23, 2009
0Patent Application Number
112893670
Date Filed
November 30, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A counter device includes: a rewritable counter having a non-volatile memory which requires sector erasure to once turn all data in a sector into high data, prior to changing low data into high data in respective bits; and a control section updating a counter value of the rewritable count by writing in and reading out the data with respect to the rewritable counter using a complement of 1, and thereby controlling writing in and reading out the data of the rewritable counter.
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