Low-battery-status informing device and method for portable electronic apparatus
First Claim
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1. A low-battery-status informing device for portable electronic apparatus comprising:
- a power switch for waking up the portable electronic apparatus by a user;
a voltage level determination module for comparing a voltage level of the battery of the portable electronic apparatus with a reference level and outputting a status determining signal; and
a status informing display for outputting a status informing signal in response to the status determining signal without waking up the portable electronic apparatus when the voltage level of the battery is determined below the reference level.
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Abstract
A low-battery-status informing device for portable electronic apparatus includes a power switch, a voltage level determination module and a status informing display. The power switch is provided for users to turn on the power of the portable electronic apparatus. The voltage level determination module compares the voltage level of the battery with a reference level and outputs a status determining signal. In response to the status determining signal, the status informing display outputs a status informing signal to users without waking up the portable electronic apparatus.
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Citations
10 Claims
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1. A low-battery-status informing device for portable electronic apparatus comprising:
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a power switch for waking up the portable electronic apparatus by a user;
a voltage level determination module for comparing a voltage level of the battery of the portable electronic apparatus with a reference level and outputting a status determining signal; and
a status informing display for outputting a status informing signal in response to the status determining signal without waking up the portable electronic apparatus when the voltage level of the battery is determined below the reference level. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A low-battery-status informing method for portable electronic apparatus comprising the steps of:
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comparing a voltage level of the battery with a first reference level when a user wants to wake up the portable electronic apparatus; and
providing a first status informing signal to the user without waking up the portable electronic apparatus when the voltage level of the battery is below the first reference level. - View Dependent Claims (8, 9, 10)
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Specification