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US 2007/0176701 A1Published application
Parametric resonator and filter using the same
AssigneesMatsushita Electric Industrial Co., Ltd., The University of Tokyo
InventorsKunihiko Nakamura, Hideki Kawakatsu
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Abstract
A resonator includes a vibrator that performs mechanical vibration, an exciting unit that applies an exciting force to the vibrator, and a modulating unit that modulates a spring property of the vibrator. The vibrator vibrates when the exciting force is applied to the vibrator from the exciting unit. The modulating unit modulates the vibrator according to the exciting force.
Claims22
A resonator, comprising:
- a vibrator that performs mechanical vibration;
- an exciting unit that applies an exciting force to the vibrator;
- and
- a modulating unit that modulates a spring property of the vibrator,
- wherein the vibrator vibrates when the exciting force is applied to the vibrator from the exciting unit;
- and
- wherein the modulating unit modulates the vibrator according to the exciting force.
4 more elements
Dependencies are inferred from the claim text.