发明名称 METHOD AND APPARATUS FOR DRIVING A TRANSDUCER OF AN INHALATION DEVICE
摘要 An inhaler is disclosed wherein medicament in a flat-bottomed container is aerosolized with a vibrator piezoelectric transducer. The transducer is driven by a signal that excites multiple harmonic frequencies to create a complex pattern of oscillations. A circuit for generating the drive signal to the transducer is also disclosed.
申请公布号 US2009217925(A1) 申请公布日期 2009.09.03
申请号 US20090392686 申请日期 2009.02.25
申请人 发明人 GUMASTE ANAND;BOWERS JOHN;WEITZEL DOUGLAS
分类号 A61M11/00;H01L41/09 主分类号 A61M11/00
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