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    • 94. 发明授权
    • Volume control system, controller, and amplifying apparatus
    • 音量控制系统,控制器和放大装置
    • US08571236B2
    • 2013-10-29
    • US12861956
    • 2010-08-24
    • Takashi YamadaKazushige Otsu
    • Takashi YamadaKazushige Otsu
    • H03G3/00
    • H03G3/04G06F3/165H03G3/002
    • A volume control system comprises: an amplifying apparatus; and a controller connectable to the amplifying apparatus. The amplifying apparatus includes; a first receiving section for receiving a volume value from the controller, a first input section into which an instruction for changing the volume value is input by a user's operation, a first transmitting section for transmitting the volume value input into the first input section to the controller, and a volume control section for, when the first receiving section receives the volume value or the changed volume value is input into the first input section, controlling a volume value of the amplifying apparatus based on the volume value. The controller includes; a display section for displaying the volume value on a display device, a second receiving section for receiving the volume value from the amplifying apparatus, a changing section for changing the volume value to be displayed on the display device by the display section into the volume value received by the second receiving section; a second input section into which an instruction for changing the volume value to be displayed on the display device by the display section is input by a user's operation; and a second transmitting section for, when the instruction for changing the volume value to be displayed on the display device by the display section is input by the user's operation, transmitting the changed volume value to the amplifying apparatus.
    • 音量控制系统包括:放大装置; 以及可连接到放大装置的控制器。 放大装置包括: 用于从控制器接收音量值的第一接收部分,用户操作输入用于改变音量值的指令的第一输入部分,用于将输入到第一输入部分的音量值传送到第一输入部分的第一发送部分, 控制器和音量控制部分,用于当第一接收部分接收到音量值或改变的音量值被输入到第一输入部分时,基于音量值控制放大装置的音量值。 控制器包括 用于在显示装置上显示音量值的显示部分,用于从放大装置接收音量值的第二接收部分,用于将由显示部分显示在显示装置上的音量值改变为音量值的改变部分 由第二接收部分收到; 第二输入部,通过用户的操作输入用于改变由显示部显示在显示装置上的音量值的指令; 以及第二发送部,用于当通过用户的操作输入用于改变由显示部显示在显示装置上的音量值的指令时,将改变的音量值发送到放大装置。
    • 95. 发明授权
    • Optical modulator
    • 光调制器
    • US08467635B2
    • 2013-06-18
    • US13129680
    • 2009-12-02
    • Yoshiyuki DoiTakashi YamadaYohei SakamakiAkimasa Kaneko
    • Yoshiyuki DoiTakashi YamadaYohei SakamakiAkimasa Kaneko
    • G02F1/035G02F1/225
    • G02F1/225G02F1/2257G02F2001/212G02F2001/217G02F2202/09G02F2202/20G02F2202/28G02F2203/20G02F2203/21
    • An optical modulator having a high stability is provided. In the optical modulator according to the present invention, a phase modulation by an electro-optic effect is made on an optical substrate of an electro-optic material while the setting of an operating point by a thermal-optic effect is made on a planar lightwave circuit (PLC) substrate of quartz, silicon, or the like. Such configuration can suppress the influence of thermal drift or the like because no heat is applied directly to the optical substrate of the electro-optic material. In addition, breakage and warpage of the substrate due to heat are also mitigated. Further, quartz used for the PLC has a low thermal conductivity, approximately one-fifth of that of the LN substrate (approximately 1 W/(m·K)), and therefore, a desired phase difference can be maintained with a low power consumption, and thus, the operating point becomes stabilized.
    • 提供了具有高稳定性的光调制器。 在根据本发明的光调制器中,在电光材料的光学基板上进行通过电光效应的相位调制,同时通过热光学效应设置工作点在平面光波 石英,硅等的电路(PLC)基板。 这种构造可以抑制热漂移等的影响,因为没有热直接施加到电光材料的光学基板。 此外,还减轻了由于热而引起的基板的断裂和翘曲。 此外,用于PLC的石英具有低导热性,大约是LN衬底的约五分之一(约1W /(m·K)),因此可以以低功耗维持期望的相位差 因此,工作点变得稳定。