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    • 154. 发明授权
    • Bezel-less acoustic touch apparatus
    • 无挡边声学触摸设备
    • US08576202B2
    • 2013-11-05
    • US13012513
    • 2011-01-24
    • Yoshikazu TanakaTing GaoJoel C. KentJeffrey T. HallerDaniel H. ScharffTimothy O. Avery
    • Yoshikazu TanakaTing GaoJoel C. KentJeffrey T. HallerDaniel H. ScharffTimothy O. Avery
    • G06F3/043
    • G06F3/0436G06F3/0416
    • An acoustic touch apparatus is provided that includes a substrate capable of propagating surface acoustic waves, such as Rayleigh-type or Love-type waves. The substrate has a front surface, a back surface, and a curved connecting surface formed between the front surface and the back surface. The apparatus also includes at least one acoustic wave transducer and at least one reflective array, the acoustic wave transducer and the reflective array behind the back surface of the substrate. The acoustic wave transducer is capable of transmitting or receiving surface acoustic waves to or from the reflective array. The reflective array is capable of acoustically coupling the surface acoustic waves to propagate from the back surface and across the front surface via the curved connecting surface. Various types of acoustic touch apparatus with edge sensitive touch functions can be provided, according to specific embodiments.
    • 提供一种声学触摸装置,其包括能够传播表面声波的基板,例如瑞利型或爱型波。 基板具有形成在前表面和后表面之间的前表面,后表面和弯曲的连接表面。 该装置还包括至少一个声波换能器和至少一个反射阵列,声波换能器和在基底后表面后面的反射阵列。 声波换能器能够向或从反射阵列发射或接收表面声波。 反射阵列能够声表面耦合表面声波,从而通过弯曲的连接表面从后表面和前表面传播。 根据具体实施例,可以提供具有边缘敏感触摸功能的各种类型的声学触摸设备。
    • 157. 发明申请
    • FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME
    • 燃料电池系统及其操作方法
    • US20130149623A1
    • 2013-06-13
    • US13818594
    • 2012-03-27
    • Akinari NakamuraHirofumi KokubuTakayuki UrataYoshikazu Tanaka
    • Akinari NakamuraHirofumi KokubuTakayuki UrataYoshikazu Tanaka
    • H01M8/04
    • H01M8/04686H01M8/04679H01M8/04955
    • A fuel cell system according to the present invention includes: a fuel cell (1); an accessory device; a sensor configured to detect an operation state of the fuel cell system; an accessory device abnormality detector (44) configured to detect an abnormality in the accessory device; a sensor abnormality detector (45) configured to detect an abnormality in the operation state of the fuel cell system; and a controller (47). The controller performs control such that, during normal operation of the fuel cell system, the controller continues the operation of the fuel cell system in the following cases: a case where the accessory device abnormality detector (44) has detected an abnormality and the sensor abnormality detector (45) detects no abnormality; and a case where the accessory device abnormality detector (44) detects no abnormality and the sensor abnormality detector (45) detects no abnormality, and stops the operation of the fuel cell system in the following cases: a case where the accessory device abnormality detector (44) has detected an abnormality and the sensor abnormality detector (45) has detected an abnormality; and a case where the accessory device abnormality detector (44) detects no abnormality and the sensor abnormality detector (45) has detected an abnormality.
    • 根据本发明的燃料电池系统包括:燃料电池(1); 附件装置 被配置为检测燃料电池系统的运行状态的传感器; 被配置为检测附件装置中的异常的附件装置异常检测器(44) 传感器异常检测器(45),被配置为检测燃料电池系统的运行状态的异常; 和控制器(47)。 控制器执行控制,使得在燃料电池系统的正常操作期间,控制器在以下情况下继续燃料电池系统的操作:附件装置异常检测器(44)检测到异常和传感器异常 检测器(45)不检测异常; 以及附属装置异常检测器(44)检测不到异常的情况,并且传感器异常检测器(45)不检测异常,并且在以下情况下停止燃料电池系统的动作:附属装置异常检测器 44)检测到异常,并且传感器异常检测器(45)检测到异常; 以及附件装置异常检测器(44)没有检测到异常并且传感器异常检测器(45)检测到异常的情况。
    • 158. 发明申请
    • Radial Transducer for Acoustic Wave Touch Sensor
    • 用于声波触摸传感器的径向传感器
    • US20130120322A1
    • 2013-05-16
    • US13296936
    • 2011-11-15
    • Yoshikazu TanakaDaniel H. ScharffTing GaoJoel C. KentJames L. Aroyan
    • Yoshikazu TanakaDaniel H. ScharffTing GaoJoel C. KentJames L. Aroyan
    • G06F3/043
    • G06F3/043G06F3/0433
    • Radial transducers are provided for acoustic touch sensors. Different radial transducer arrangements may allow for locating multiple simultaneous touches without ambiguity, in some embodiments without a bezel. Instead of transmitting acoustic waves along a line to be reflected at multiple points, surface acoustic waves are transmitted in a radial wave pattern. Surface acoustic waves are transmitted along different angles spread out over at least part of the touch region. Various techniques may be used to generate the radial wave pattern, such as a convex wedge of a wedge transducer, interference patterns, a curved piezoelectric element, a curved reflector, a curved edge of the substrate, a curved grating, or one or more lenses. These devices for controlling the spread of the surface acoustic waves may alternatively be used for control of the surface acoustic rays for transmission along a single line or just along two lines (e.g., X and Y axes).
    • 径向传感器用于声学触摸传感器。 不同的径向换能器装置可以允许定位多个同时接触而不含歧义,在一些实施例中,不带有挡板。 不是沿着要在多个点处反射的线传输声波,而是以径向波图形传输表面声波。 表面声波沿着分布在触摸区域的至少一部分上的不同角度传播。 可以使用各种技术来产生径向波图案,例如楔形换能器的凸形楔形物,干涉图案,弯曲压电元件,弯曲反射器,基底的弯曲边缘,弯曲光栅或一个或多个透镜 。 用于控制表面声波扩散的这些装置可以替代地用于控制表面声射线,以沿单线或仅沿着两条线(例如X和Y轴)传输。