CHARGED STATE INDICATING SYSTEM
PROBLEM TO BE SOLVED: To obtain a charging state indicating system which allows a color blind or color weak user to discriminate the charged state of a battery, by providing a storing means which prestores a plurality of pattern information corresponding to the charged state of the battery, and a co...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To obtain a charging state indicating system which allows a color blind or color weak user to discriminate the charged state of a battery, by providing a storing means which prestores a plurality of pattern information corresponding to the charged state of the battery, and a control means which discriminates the charged state of the battery and causes a displaying means to display the charged state, based on the pattern information stored in the storing means corresponding to the charged state. SOLUTION: At initial charging of a battery, a a controller 1 turns on an LED 3 and turns off another LED 4 and, when the charging of the battery reaches 70%, the controller 1 blinks both LEDs 3 and 4. When the charging reaches 90%, the controller 1 turns off the LED 3 and blinks the LED 4. Further, when the battery is fully charged, the controller 1 turns on the LED 4 by keeping the LED 3 in the turned-off state. The combined pattern of the turning-on, blinking, and turn-off modes of the LEDs 3 and 4 is prestored in a storing means as pattern information and the controller 1 drives the LEDs 3 and 4 based on the pattern information in accordance with the charged state of the battery. The LEDs 3 and 4 are arranged on the same face of the enclosure of a battery charger at an interval so that a color weak user can easily discriminate the charged state. |
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