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    • 8. 发明授权
    • Imaging apparatus of electronic endoscope and electronic endoscope
    • 电子内窥镜和电子内窥镜成像设备
    • US08462202B2
    • 2013-06-11
    • US12042838
    • 2008-03-05
    • Kazuaki Takahashi
    • Kazuaki Takahashi
    • H04N13/00A61B1/04
    • A61B1/05A61B1/042A61B1/051A61B1/128
    • An imaging apparatus is provided and includes: a solid-state imaging device that receives image light of an observed portion inside of a coelom to output an imaging signal of the image light; a cover glass disposed above an light receiving surface of the solid-state imaging device so that the cover glass and the solid-state imaging device are separated with a space; and a first circuit board disposed at a vicinity of an upper surface of the cover glass and including a peripheral circuit of the solid-state imaging device, the first circuit board having a thermal conductivity lower than that of a reference circuit board whose major component is alumina, the imaging apparatus being included in a front end of an electronic endoscope.
    • 提供了一种成像装置,包括:固态成像装置,其接收体内的观察部分的图像光,以输出图像光的成像信号; 设置在所述固态成像装置的光接收表面上方的盖玻璃,使得所述盖玻璃和所述固态成像装置以空间分开; 以及布置在所述盖玻璃的上表面附近并且包括所述固态成像装置的外围电路的第一电路板,所述第一电路板的导热率低于其主要成分为 氧化铝,成像装置包括在电子内窥镜的前端中。
    • 10. 发明申请
    • UWB TRANSMISSION APPARATUS AND UWB TRANSMISSION METHOD
    • UWB传输设备和UWB传输方法
    • US20100166037A1
    • 2010-07-01
    • US12377113
    • 2007-10-10
    • Lei Soo HuangPing LuoSuguru FujitaKazuaki Takahashi
    • Lei Soo HuangPing LuoSuguru FujitaKazuaki Takahashi
    • H04B1/69
    • H04L27/0008H04B1/7176H04L27/02H04L27/18
    • A UWB transmission apparatus that, in a system using a mixture of amplitude and phase modulation schemes, can support both of the amplitude and phase modulation schemes, while preventing the signal powers of amplitude-modulated signals from degrading. In this UWB transmission apparatus, if the modulation mode is of QPSK, a mapping part (121) selects one of four signal points on the IQ plane in accordance with a 2-bit data, and outputs information related to the I- and Q-components of the selected signal point to a QPSK/ASK modulated signal forming part (122). If the modulation mode is of ASK, the mapping part (121) selects the origin point on the IQ plane when the data being ‘0’ and selects one of four signal points on the IQ plane, similarly to the case of QPSK modulation, when the data being ‘1,’ and outputs information, which is related to the selected signal point, to the QPSK/ASK modulated signal forming part (122).
    • 一种UWB传输装置,其在使用幅度和相位调制方案的混合的系统中可以支持幅度和相位调制方案两者,同时防止幅度调制信号的信号功率降级。 在该UWB发送装置中,如果调制模式为QPSK,则映射部(121)根据2比特数据选择IQ平面上的四个信号点中的一个,并且输出与I和Q- 所选信号的分量指向QPSK / ASK调制信号形成部分(122)。 如果调制方式为ASK,映射部分(121)在数据为“0”时选择IQ平面上的原点,并选择IQ平面上的四个信号点中的一个,类似于QPSK调制的情况,当 数据为“1”,并将与所选信号点相关的信息输出到QPSK / ASK调制信号形成部分(122)。