| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize a communication device by integrating a function required for demodulating a reception signal in a remarkably small area and making a signal processing apparatus into one chip by using MEMS technology. SOLUTION: The signal processing apparatus mounted on the communication device is constituted by providing: a plurality of mechanical vibrators 1 and 2 corresponding to mutually different transmission frequency bands; an excitation means 3 which can simultaneously excite vibration with respect to the mechanical vibrators 1 and 2 by applying a signal being an object of a processing; and a detection means 4 which simultaneously detects and combines vibrations in the mechanical vibrators 1 and 2 and obtains a signal of a specified frequency component. COPYRIGHT: (C)2005,JPO&NCIPI
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