Ladder resonator filter and related system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20090231060A1
SERIAL NO

12075422

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Abstract

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An apparatus includes a plurality of resonators forming a filter. At least one of the resonators includes (i) a plurality of interdigital transducers positioned in a common acoustic track and (ii) a plurality of reflectors configured to reflect acoustic waves from the interdigital transducers back to the interdigital transducers. At least one reflector is positioned between adjacent interdigital transducers. The interdigital transducers in one of the resonators could be coupled in parallel or in series between an input and an output of that resonator.

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Patent Owner(s)

Patent OwnerAddress
RF MONOLITHICS INC4441 SIGMA ROAD A CORPORATION OF DELAWARE DALLAS TX 75244

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rusakov, Anatoly Dallas , US 2 61

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