Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 12, 2007
Patent Application Number
11094238
Date Filed
March 31, 2005
Patent Primary Examiner
Patent abstract
The present invention provides a consumable goods management tag, comprising: a rewritable memory for storing remaining quantity data representing a remaining quantity of consumable goods, and a rewrite controlling unit for controlling a rewrite of the remaining quantity data stored in the memory on the basis of a remaining quantity data writing request inputted from outside, carrying out the rewrite of the remaining quantity data responding to increase of the remaining quantity only when a predetermined rewrite condition is fulfilled, and carrying out the rewrite of the remaining quantity data responding to decrease of the remaining quantity even when the rewrite condition is not fulfilled.
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