Title:
BATTERY WITH REMAINING AMOUNT DISPLAY FUNCTION
Document Type and Number:
Japanese Patent JP2010216932
Kind Code:
A
Abstract:
To provide a battery including a display showing a remaining capacity of the battery even if no current flows.
A battery 7 includes a microcapsule-type electrophoretic display part 8 disposed at a position visible from the outside. The display part 8 changes by the change of an applied voltage caused by a voltage change according to the remaining capacity of the battery 7. When the voltage is not applied, the remaining capacity of the battery is displayed by maintaining a display state without a change though no current flows.
Inventors:
YASOJIMA SHIN
Application Number:
JP2009062818A
Publication Date:
September 30, 2010
Filing Date:
March 16, 2009
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD
International Classes:
G01R31/36; H01M10/48; H02J7/00