| http://www.w3.org/ns/prov#value | - As the electrophoretic display 10 has a memorizing capability, there is a problem in that the alphanumeric character type electrode 39 or hiragana character type electrode 38 display does not disappear even though an application voltage pulse 44 is applied to the hiragana character type electrodes 38 or alphanumeric character type electrodes 39, but this problem can be solved by applying a pulse w
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