Battery-operated equipment
First Claim
Patent Images
1. A battery-operated equipment, comprising:
- a battery;
a constant voltage power source that derives a constant voltage from a battery voltage across said battery; and
a microcomputer that incorporates at least an A/D converter and has terminals for the A/D converter and a power input terminal, said microcomputer being connected with said battery via said power input terminal to use said battery voltage as its power source voltage, said A/D converter being connected with said constant voltage power source via a specific terminal of said terminals for the A/D converter to use said constant voltage as a voltage for the A/D converter.
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Abstract
A battery-operated equipment comprises a battery; a constant voltage power source that derives a constant voltage from a battery voltage across the battery; and a microcomputer that incorporates an A/D converter(s) and has terminals for the A/D converter and a power input terminal. The microcomputer is connected with the battery via the power input terminal to use the battery voltage as its power source voltage. The converter is connected with the constant voltage power source via a specific terminal of the terminals for the converter to use the constant voltage as a voltage for the converter.
9 Citations
9 Claims
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1. A battery-operated equipment, comprising:
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a battery;
a constant voltage power source that derives a constant voltage from a battery voltage across said battery; and
a microcomputer that incorporates at least an A/D converter and has terminals for the A/D converter and a power input terminal, said microcomputer being connected with said battery via said power input terminal to use said battery voltage as its power source voltage, said A/D converter being connected with said constant voltage power source via a specific terminal of said terminals for the A/D converter to use said constant voltage as a voltage for the A/D converter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification