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    • 1. 发明授权
    • Speaker system
    • 扬声器系统
    • US07324834B2
    • 2008-01-29
    • US11203095
    • 2005-08-15
    • Takuro YamaguchiYoshio KoikeHideo KoreedaYuichi Sakamoto
    • Takuro YamaguchiYoshio KoikeHideo KoreedaYuichi Sakamoto
    • H04B1/38H04M1/00
    • H04M1/04H02J7/0044H04M1/6041H04R5/02
    • A speaker system functioning as a stand capable of power supply to a mobile phone and hand-free communication and being capable of derived surround reproduction or stereo reproduction is provided. An enclosure (201), on which a mobile phone is placed, includes therein supply means (209) for supplying electric power to the mobile phone, communication means (213) for enabling hand-free communication by the mobile phone through a microphone (211), processing means for introducing signals from the mobile phone and performing a predetermined processing, and a pair of speakers (215, 215′) provided on both sides of the enclosure in a state in which back sides thereof are substantially face to each other for generating sounds based on output signals from the processing means.
    • 提供一种用作支架的扬声器系统,其能够向移动电话供电,并且提供无手机通信并且能够导出环绕声再现或立体声再现。 其上放置有移动电话的外壳(201)包括用于向移动电话提供电力的供应装置(209),用于通过麦克风(211)来实现移动电话的免提通信的通信装置(213) ),用于从移动电话引入信号并执行预定处理的处理装置以及设置在外壳的两侧上的一对扬声器(215,215'),其在背面基本上彼此面对的状态 基于来自处理装置的输出信号产生声音。
    • 2. 发明授权
    • Method and apparatus for high speed data recovery from CD-ROMs or like
disks of varying qualities
    • 用于从具有不同质量的CD-ROM或类似盘进行高速数据恢复的方法和装置
    • US06044052A
    • 2000-03-28
    • US345152
    • 1999-06-30
    • Mitsumasa KuboYuichi SakamotoMasashi Tanaka
    • Mitsumasa KuboYuichi SakamotoMasashi Tanaka
    • G11B7/09G11B7/095G11B19/04G11B3/90
    • G11B19/04G11B7/09G11B7/0901G11B7/0908G11B7/095G11B7/0953G11B7/0956
    • CD-ROMS of more or less poor quality, such as those having eccentric center holes or uneven weight distributions circumferentially, tend to overload tracking and focusing servos and hence to invite read errors and retries. Each CD-ROM on being loaded into a CD-ROM drive is therefore checked as to its quality preparatory to reading. Either or both of the servos may fail to keep the read beam under control if the disk is not of good quality. Such unlocking of either or both servos is detected in terms of the number of transducer output pulses, the magnitude of transducer output voltage, or the number of read errors, during a complete disk revolution. Disk quality is first checked at four times the standard audio CD speed, then at eight times that speed, and finally at twelve times that speed. Disks of poor quality are read at two times the standard audio CD speed, those of below-average quality at four times that speed, those of above-average quality at eight times that speed, and those of good quality at twelve times that speed.
    • 质量差异较小的CD-ROMS(例如具有偏心中心孔或不均匀重量分布在周向上)倾向于过载跟踪和聚焦伺服,并因此引起读取错误和重试。 因此,在加载到CD-ROM驱动器中的每个CD-ROM的质量准备阅读。 如果磁盘质量不好,则伺服器中的任何一个或两个可能无法使读取光束受到控制。 根据传感器输出脉冲的数量,换能器输出电压的大小或读取错误的数量,在完整的盘旋转期间检测这两个或两个伺服的这种解锁。 磁盘质量首先是标准音频CD速度的四倍,然后是该速度的八倍,最后是该速度的十二倍。 质量差的磁盘读取标准音频CD速度的两倍,低于平均质量的四倍速度,高于平均质量的八倍速度,以及高达十二倍的质量。
    • 4. 发明授权
    • Apparatus for detecting contamination on probe surface
    • 用于检测探头表面污染的装置
    • US4922205A
    • 1990-05-01
    • US363157
    • 1989-06-08
    • Kazuo ShimizuHiroshi AmemiyaYuichi Sakamoto
    • Kazuo ShimizuHiroshi AmemiyaYuichi Sakamoto
    • G01N27/00G01N27/60
    • G01N27/60
    • An apparatus for detecting contamination on probe surface which comprises a sweep voltage generator for generating sweep voltage which is applied to a probe or probes in plasma, a probe current detection circuit for detecting probe current which flows in accordance with the sweep voltage applied, an amplitude discriminator for comparing the probe current with a predetermined threshold and generating an output signal when the probe current becomes equal to the predetermined threshold, a first sample-hold circuit for sampling and holding the sweep voltage upon reception of the output signal from the amplitude discriminator while the sweep voltage is increasing, a second sample-hold circuit for sampling and holding the sweep voltage upon reception of the output signal from the amplitude discriminator while the sweep voltage is decreasing, and a subtracter for providing a difference between the sweep voltages holded in the first and second sample-hold circuit. Degree of the contamination on the probe surface can be evaluated from the difference.
    • 一种用于检测探针表面污染的装置,包括用于产生施加到等离子体中的探针或探针的扫描电压的扫描电压发生器,用于检测根据施加的扫描电压流动的探针电流的探针电流检测电路,振幅 鉴别器,用于将探头电流与预定阈值进行比较,并且当探针电流变得等于预定阈值时产生输出信号;第一采样保持电路,用于在从幅度鉴别器接收到输出信号时采样和保持扫描电压,同时 扫描电压增加,第二采样保持电路,用于在扫描电压降低时从接收到来自振幅识别器的输出信号采样并保持扫描电压;以及减法器,用于提供保持在扫描电压中的扫描电压之间的差值 第一和第二采样保持电路。 可以根据差异来评估探针表面上的污染程度。