ELECTRONIC DEVICE
First Claim
1. An electronic device comprising:
- a variable capacitor comprising first and second electrodes, and indicating a first state in which a distance between the first and second electrodes is a first distance and a second state in which the distance between the first and second electrodes is a second distance shorter than the first distance, in accordance with a voltage applied between the first and second electrodes;
a voltage applying circuit applying a voltage between the first and second electrodes; and
a voltage detecting circuit detecting a first voltage based on an interelectrode voltage applied between the first and second electrodes, the first voltage being used to evaluate performance of the variable capacitor,wherein the variable capacitor, the voltage applying circuit and the voltage detecting circuit are provided in a same chip.
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Accused Products
Abstract
According to one embodiment, an electronic device includes a variable capacitor includes first and second electrodes, and indicating a first state in which a distance between the first and second electrodes is a first distance and a second state in which the distance between the first and second electrodes is a second distance shorter than the first distance, in accordance with a voltage applied between the first and second electrodes, a voltage applying circuit applying a voltage between the first and second electrodes, and a voltage detecting circuit detecting a first voltage based on an interelectrode voltage between the first and second electrodes. The variable capacitor, the voltage applying circuit and the voltage detecting circuit are provided in a same chip.
41 Citations
20 Claims
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1. An electronic device comprising:
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a variable capacitor comprising first and second electrodes, and indicating a first state in which a distance between the first and second electrodes is a first distance and a second state in which the distance between the first and second electrodes is a second distance shorter than the first distance, in accordance with a voltage applied between the first and second electrodes; a voltage applying circuit applying a voltage between the first and second electrodes; and a voltage detecting circuit detecting a first voltage based on an interelectrode voltage applied between the first and second electrodes, the first voltage being used to evaluate performance of the variable capacitor, wherein the variable capacitor, the voltage applying circuit and the voltage detecting circuit are provided in a same chip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification