CHARGER
First Claim
Patent Images
1. A charger comprising:
- a charging power source circuit for charging a battery that supplies electric power to an electric power tool;
a power source control circuit that controls the charging power source circuit;
a microcomputer that operates the power source control circuit; and
a constant voltage power source circuit that supplies electric power to the power source control circuit and the microcomputer,wherein the microcomputer is configured to permit or prohibit supply of electric power from the constant voltage power source circuit to the power source control circuit.
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Abstract
A charger according to the present invention includes a charging power source circuit for charging a battery, a power source control circuit that controls the charging power source circuit, a microcomputer that operates the power source control circuit, and a constant voltage power source circuit that supplies electric power to both the power source control circuit and the microcomputer. The microcomputer is configured to permit or prohibit supply of electric power to the power source control circuit from the constant voltage power source circuit to the power source control circuit.
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Citations
9 Claims
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1. A charger comprising:
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a charging power source circuit for charging a battery that supplies electric power to an electric power tool; a power source control circuit that controls the charging power source circuit; a microcomputer that operates the power source control circuit; and a constant voltage power source circuit that supplies electric power to the power source control circuit and the microcomputer, wherein the microcomputer is configured to permit or prohibit supply of electric power from the constant voltage power source circuit to the power source control circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification