Surface acoustic wave device and branching filter

Details Surface acoustic wave device and branching filter Surface acoustic wave device and branching filter

2007-05-01

2007-05-01

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S31300R

Reexamination Certificate

active

11352338

ABSTRACT:
A surface acoustic wave device is provided with an input signal electrode15and an output signal electrode16to and from which an electric signal is inputted or outputted; a first surface acoustic wave resonator18including an input terminal18aconnected to the input signal electrode15and having a plurality of comb electrodes, an output terminal18bconnected to the output signal electrode16and having a plurality of comb electrodes, a common terminal18cwhich has a plurality of comb electrodes and which forms interdigital transducers A and B together with the comb electrodes of the input terminal18aand the comb electrodes of the output terminal18b;and a second surface acoustic wave resonator19connected between the common terminal18cof the first surface acoustic wave resonator18and a pair of grounding terminals17.

REFERENCES:
patent: 6483402 (2002-11-01), Endoh et al.
patent: 6816036 (2004-11-01), Takamine
patent: 6853270 (2005-02-01), Shibahara
patent: 6900577 (2005-05-01), Takamine
patent: 6936952 (2005-08-01), Takamine
patent: 6963156 (2005-11-01), Shibahara et al.
patent: 7042131 (2006-05-01), Takamine
patent: 5-48055 (1993-02-01), None
patent: 6-260876 (1994-09-01), None

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