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    • 105. 发明授权
    • Piezoelectric vibrational energy harvesting systems incorporating parametric bending mode energy harvesting
    • 包含参数弯曲模式能量收集的压电振动能量采集系统
    • US08080920B2
    • 2011-12-20
    • US12532322
    • 2008-03-21
    • Robert G. AndoscaJunru Wu
    • Robert G. AndoscaJunru Wu
    • H01L41/113
    • H01L41/1136H02N2/188
    • Vibrational energy harvesting (VEH) structures that include resonant beams each having a fundamental resonance frequency and a parametric mode frequency and including at least one piezoelectric layer for generating electrical charge in response to each of fundamental-resonance excitation and parametric-mode excitation of that beam. Circuitry is provided for harvesting the electrical charge from the resonant beam. In some embodiments, the parametric mode frequency of the beam is tuned to be close to its fundamental resonance frequency so as to increase the effective bandwidth of a VEH structure. The effective bandwidth of a VEH structure can be further increased by tuning ones of multiple parametric-mode-enabled resonant beams to slightly different fundamental resonance frequencies and parametric mode frequencies.
    • 振动能量收集(VEH)结构,其包括每个具有基本共振频率和参数模式频率的谐振光束,并且包括至少一个用于响应于该光束的基本共振激发和参数模式激励中的每一个产生电荷的压电层 。 提供电路用于从谐振光束收集电荷。 在一些实施例中,波束的参数模式频率被调谐为接近其基本共振频率,以便增加VEH结构的有效带宽。 通过将多个参数模式启用的谐振光束中的一个调谐到略微不同的基本共振频率和参数模式频率,可以进一步提高VEH结构的有效带宽。
    • 109. 发明申请
    • Systems For And Methods Of Assessing Lower Urinary Tract Function Via Sound Analysis
    • 通过声音分析评估下尿路功能的系统和方法
    • US20080275366A1
    • 2008-11-06
    • US12123145
    • 2008-05-19
    • John BrohanPeter ZvaraKatarina Zvarova
    • John BrohanPeter ZvaraKatarina Zvarova
    • A61B5/20
    • A61B5/202A61B5/208A61B2562/0204
    • Systems for and methods of assessing lower urinary tract function from urinary flow data via sound analysis and user-provided information regarding the lower urinary tract symptoms (LUTS) of frequency, urgency and urge incontinence. Embodiments of the LUTS assessment systems include a computer and a telephone or a digital recording mechanism to capture the sound of one or more urination events, which are stored as audio files in a database. The LUTS assessment systems may include sound analysis software for analyzing the strength and duration of each urination event and may include a web-based software application for viewing the results via the Internet or other network. The database stores information from multiple urination events, and combined with information regarding the lower urinary tract symptoms, serves as an objective tool to assess bladder function and monitor progression of disease or therapy effectiveness.
    • 通过声音分析和用户提供的关于频率,紧急和急迫性尿失禁的下尿路症状(LUTS)的用户提供的信息来评估尿流量功能的系统和方法。 LUTS评估系统的实施例包括计算机和电话或数字记录机构,用于捕获作为音频文件存储在数据库中的一个或多个排尿事件的声音。 LUTS评估系统可以包括用于分析每次排尿事件的强度和持续时间的声音分析软件,并且可以包括用于经由因特网或其他网络观看结果的基于web的软件应用。 数据库存储来自多个排尿事件的信息,并结合有关下尿路症状的信息,作为评估膀胱功能和监测疾病进展或治疗有效性的客观工具。