Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 28, 2010
Patent Application Number
09975250
Date Filed
October 12, 2001
Patent Primary Examiner
Patent abstract
In a printing system 10 connected to a host computer 20 as an upper system via a serial bus, communication control information used in a shift from a power saving mode to a normal transfer mode are previously in a response controlling portion 147 before a CPU 151 in a printing controlling portion 12 is shifted into the power saving mode, and then the response controlling portion 147 can receive the data based on the set communication control information without intervention of a CPU 151 in the cancel of the power saving mode.
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