| http://www.w3.org/ns/prov#value | - Here, explanation is made mainly to portions regarding the second embodiment.As depicted in FIG. 3, the current controlling unit according to the second embodiment has the configuration depicted in FIG. 1 (first embodiment), with a comparator circuit (CMP) 7 being added thereto and with the control signal generationcircuit and the current control circuit being provided with changed reference numer
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