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    • 92. 发明专利
    • Vibration member driving circuit
    • 振动会员驱动电路
    • JP2012152719A
    • 2012-08-16
    • JP2011016348
    • 2011-01-28
    • Canon Incキヤノン株式会社
    • SUMIOKA JUN
    • B06B1/06B08B7/02G03B17/02H04N5/225
    • H02P31/00B06B1/0215G02B27/0006G03B17/02
    • PROBLEM TO BE SOLVED: To solve such a problem of a vibration member driving circuit in the past that the amplitude change of alternating voltage to be applied to a piezoelectric element may increase near the resonance frequency of a vibration member in some frequency band to be used, which results in the large change in the alternating voltage when the resonance frequency of the vibration member varies.SOLUTION: A vibration member driving circuit causes vibrations in a vibration member, at least including an electro-mechanical energy conversion element and an elastic body, by applying alternating voltage to the electro-mechanical energy conversion element fixed to the elastic body. The vibration member driving circuit includes an inductor and a capacitor serially connected to the electro-mechanical energy conversion element. 0.73*fm
    • 要解决的问题为了解决振动构件驱动电路的这样的问题,即在施加到压电元件的交变电压的振幅变化可能在一些频带内的振动构件的谐振频率附近增加 使得,当振动构件的共振频率变化时,这导致交流电压的大的变化。 解决方案:振动构件驱动电路通过向固定到弹性体的机电能转换元件施加交流电压,使至少包括机电能转换元件和弹性体的振动构件产生振动。 振动构件驱动电路包括电感器和与机电能量转换元件串联连接的电容器。 其中fs是电感器和电容器的串联谐振频率,fm是振动元件的谐振频率,则满足0.73 * fm
    • 97. 发明专利
    • Ultrasonic observation apparatus
    • 超声观察装置
    • JP2006158598A
    • 2006-06-22
    • JP2004353426
    • 2004-12-06
    • Olympus Corpオリンパス株式会社
    • MISONO KAZUHIRO
    • A61B8/12
    • G01S7/52025A61B8/12B06B1/0215G01S15/894
    • PROBLEM TO BE SOLVED: To provide an ultrasonic observation apparatus capable of generating a transmission signal which can reduce noise and costs with a waveform corresponding to characteristics of an ultrasonic transducer or the like. SOLUTION: The observation apparatus 4 to which an ultrasonic scope 2 incorporating the ultrasonic transducer 3 is connected detachably generates a positive electrode pulse and a negative electrode pulse as timing signals required for generating a transmission pulse in a secondary circuit 26 whose apparatus casing 34 is grounded, transmits it to the side of a patient circuit 21 insulated from the secondary circuit 26 through an insulation circuit 27a, and generates a bipolar transmission pulse by a pulse generation circuit 24 through a pulse driver 25 provided in the patient circuit 25. Thus the circuit scale of the patient circuit 21 is reduced to reduce occurrence of the noise and to reduce the cost. COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种超声波观测装置,其能够生成能够以与超声波振子等的特性对应的波形来降低噪声和成本的发送信号。 解决方案:结合有超声波换能器3的超声波窥镜2可拆卸地连接的观察装置4产生正电极脉冲和负电极脉冲作为在二次电路26中产生发送脉冲所需的定时信号,二次电路26的装置壳体 34接地,通过绝缘电路27a将其发送到与次级电路26绝缘的患者电路21侧,并且通过设置在患者电路25中的脉冲驱动器25由脉冲发生电路24产生双极性发送脉冲。 因此,减少患者电路21的电路规模以减少噪声的发生并降低成本。 版权所有(C)2006,JPO&NCIPI
    • 98. 发明专利
    • Piezo-electric element driving circuit, and remote control transmitter using the same
    • PIEZO-ELECTRIC元件驱动电路和使用其的远程控制发射器
    • JP2006033679A
    • 2006-02-02
    • JP2004212720
    • 2004-07-21
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • KAHARA TETSUROMATSUMIYA SHOSAKUMATSUI NORIBUMI
    • H04Q9/00H02N2/00
    • H01L41/042B06B1/0215
    • PROBLEM TO BE SOLVED: To provide a piezo-electric element driving circuit for obtaining large buzzer sound with a simple structure and facilitating location and to provide a remote control transmitter using the circuit concerning the remote control transmitter to be mainly used for remotely controlling different electronic apparatuses. SOLUTION: The piezo-electric element driving circuit 8 is constituted by connecting a coil 6 to a piezo-electric buzzer 1 as a piezo-electric element in parallel and arranging a diode 7 as a rectifying element between the coil 6 and the piezo-electric buzzer 1 so as to allow an electric current to flow from the coil 6 to the piezo-electric buzzer 1. Accordingly, a driving voltage is raised and the piezo-electric buzzer 1 is driven from one direction without loss. Consequently, the large buzzer sound is obtained with the simple structure so as to facilitate the location. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种压电元件驱动电路,用于以简单的结构获得大的蜂鸣声,并且便于定位,并且提供使用遥控发射器的电路主要用于远程的遥控发射器 控制不同的电子设备。 解决方案:压电元件驱动电路8通过将线圈6并联作为压电元件的压电蜂鸣器1并联设置,并将作为整流元件的二极管7配置在线圈6和 压电蜂鸣器1,以使电流从线圈6流向压电蜂鸣器1.因此,驱动电压升高,并且压电蜂鸣器1从一个方向驱动而不损失。 因此,以简单的结构获得大的蜂鸣声,以便于定位。 版权所有(C)2006,JPO&NCIPI