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    • 72. 发明授权
    • High-frequency circuit in which high-frequency filter is parallel installed to integrated circuit
    • 将高频滤波器并联安装到集成电路的高频电路
    • US08422980B2
    • 2013-04-16
    • US11940992
    • 2007-11-15
    • Masaki Yamamoto
    • Masaki Yamamoto
    • H03D7/1433
    • H04N5/455H04N5/44H04N21/4263
    • The present invention provides a high-frequency circuit capable of acquiring the original transmission characteristics of a filter by preventing capacitive coupling between input and output terminals of the filter externally attached to the integrated circuit and effectively using a mounting space. The high-frequency circuit includes a rectangular integrated circuit 10 having two long sides 10a and 10b and two short sides 10c and 10d and a SAW filter 15, disposed to be adjacent to the short side 10d of the integrated circuit 10, having input terminals 24a and 24b disposed on the long side 10a side and output terminals 28a and 28b disposed on the other long side 10b side. IC output terminals 22a and 22b connected to input terminals 24a and 24b of the SAW filter 15 are disposed on a position of one long side 10a of the integrated circuit 10 on the SAW filter 15 side, and IC input terminals 26a and 26b connected to output terminals 28a and 28b of the SAW filter 15 are disposed on a position of the other long side 10b of the integrated circuit 10 on the SAW filter 15 side.
    • 本发明提供了一种能够通过防止外部连接到集成电路的滤波器的输入和输出端子之间的电容耦合并且有效地使用安装空间来获得滤波器的原始传输特性的高频电路。 高频电路包括具有两个长边10a和10b以及两个短边10c和10d的矩形集成电路10以及与集成电路10的短边10d相邻设置的SAW滤波器15,其具有输入端子24a 和24b设置在长边10a侧,输出端子28a和28b设置在另一个长边10b侧。 连接到SAW滤波器15的输入端子24a和24b的IC输出端子22a和22b设置在SAW滤波器15侧的集成电路10的一个长边10a的位置,并且连接到输出端的IC输入端子26a和26b SAW滤波器15的端子28a和28b设置在SAW滤波器15侧的集成电路10的另一个长边10b的位置上。
    • 78. 发明申请
    • OPTICAL INFORMATION RECORDING MEDIUM REPRODUCING DEVICE, AND OPTICAL INFORMATION RECORDING MEDIUM
    • 光信息记录介质中继设备和光信息记录介质
    • US20100278026A1
    • 2010-11-04
    • US12734190
    • 2008-10-17
    • Hirohisa YamadaMasaki YamamotoYasuhiro HaradaGo MoriHideharu Tajima
    • Hirohisa YamadaMasaki YamamotoYasuhiro HaradaGo MoriHideharu Tajima
    • G11B20/18
    • G11B7/005G11B7/1267G11B7/2533
    • An optical information recording medium reproducing device (1) reproduces information from a super-resolution optical information recording medium (100a) having the information stored therein by positioning, according to a random pattern system, a plurality of recording marks including a recording mark shorter than a resolution limit of an optical system. This reproducing device (1) performs test readings for measuring indexes each relating to a reproduction quality of the super-resolution optical information recording medium (100a) by emitting laser light onto a storage surface of the super-resolution optical information recording medium (100a), while changing a reproduction laser power from a predetermined initial value, and based on the indexes measured, sets a reproduction laser power for reproducing the information. Thus, since the reproduction laser power for reproducing the information stored in the super-resolution optical information recording medium (100a) is determined based on the test readings results, a favorable reproduction quality can be obtained.
    • 光信息记录介质再现装置(1)通过根据随机图案系统定位多个记录标记,该记录标记包括比记录标记短的记录标记,从具有存储在其中的信息的超分辨率光学信息记录介质(100a)再现信息 光学系统的分辨率限制。 该再现装置(1)通过将激光发射到超分辨率光学信息记录介质(100a)的存储表面上来执行用于测量与超分辨率光学信息记录介质(100a)的再现质量有关的指标的测试读数, 在从预定的初始值改变再现激光功率的同时,并且基于测量的指标,设置用于再现信息的再现激光功率。 因此,由于基于测试读数结果确定用于再现存储在超分辨率光学信息记录介质(100a)中的信息的再现激光功率,因此可以获得良好的再现质量。