Charge control apparatus and electronic apparatus provided with such a control apparatus
First Claim
1. A charge control apparatus in an electronic equipment which receives power from a chargeable battery and conducts a predetermined process and which includes control means for controlling process means for conducting the predetermined process having means for generating a signal of a predetermined period, said charge control apparatus comprising:
- signal output means for, upon reception of the signal of a predetermined period, outputting a charge instruction signal for instructing charging, and for, in a case of not receiving the signal of predetermined period, outputting no charge instruction signal; and
charging means for charging the battery in response to the charge instruction signal from said signal output means,wherein said signal of predetermined period is generated in normal operation of the control means and is not generated in abnormal operation of the control means.
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Accused Products
Abstract
A control signal is outputted from a CPU in a predetermined period to a one-shot circuit. An output signal of the one-shot circuit is maintained at a predetermined level, as far as the control signal is supplied to the one-shot circuit in the predetermined period. The output signal of the one-shot circuit is applied to a charging circuit for a battery. The charging circuit performs a charge operation for the battery while a predetermined level of the output signal of the one-shot circuit being kept on.
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Citations
4 Claims
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1. A charge control apparatus in an electronic equipment which receives power from a chargeable battery and conducts a predetermined process and which includes control means for controlling process means for conducting the predetermined process having means for generating a signal of a predetermined period, said charge control apparatus comprising:
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signal output means for, upon reception of the signal of a predetermined period, outputting a charge instruction signal for instructing charging, and for, in a case of not receiving the signal of predetermined period, outputting no charge instruction signal; and charging means for charging the battery in response to the charge instruction signal from said signal output means, wherein said signal of predetermined period is generated in normal operation of the control means and is not generated in abnormal operation of the control means. - View Dependent Claims (2, 3, 4)
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Specification