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1. 发明授权

US5347408A Magnetic recording and reproducing method and apparatus with vertical magnetization component reduction 失效
标题翻译：具有垂直磁化分量降低的磁记录和再现方法和装置
公开(公告)号：US5347408A
公开(公告)日：1994-09-13
申请号：US828137
申请日：1992-01-30
申请人： Makoto Gohda , Shinichi Yamashita , Yasuyuki Tanaka
发明人： Makoto Gohda , Shinichi Yamashita , Yasuyuki Tanaka
IPC分类号： G11B5/09 , G11B5/66 , G11B5/85 , G11B20/10 , G11B5/035 , B05D5/12 , C23C16/00 , H01F1/00
CPC分类号： G11B5/85 , G11B20/10009 , G11B5/09 , G11B5/66 , Y10S428/928 , Y10T428/12465
摘要： A digital signal to be recorded is converted into a digital signal having a suppressed low-frequency spectrum and having a shortest recording wavelength greater than half an original shortest recording wavelength, and the converted digital signal is recorded on a magnetic recording medium in which a plurality of metal evaporated films having different crystal-growth directions are laminated. The digital signal is reproduced from the magnetic recording medium in which the plurality of metal evaporated films having different crystal-growth directions are laminated. Waveform equalization is performed on the reproduced digital signal, and integration detection is performed on the waveform-equalized digital signal, thereby restoring an original digital signal.
摘要翻译：要被记录的数字信号被转换为具有抑制的低频谱并具有大于原始最短记录波长的一半的最短记录波长的数字信号，并且转换的数字信号被记录在磁记录介质上，其中多个的具有不同晶体生长方向的金属蒸镀膜。数字信号从层叠有不同晶体生长方向的多个金属蒸镀膜的磁记录介质再现。对再现的数字信号进行波形均衡，对波形均衡的数字信号进行积分检测，从而恢复原始的数字信号。

2. 发明授权

US5157355A Phase-locked loop device having stability over wide frequency range 失效
标题翻译：锁相环装置在宽频率范围内具有稳定性
公开(公告)号：US5157355A
公开(公告)日：1992-10-20
申请号：US815907
申请日：1991-12-31
申请人： Akihiro Shikakura , Shinichi Yamashita , Makoto Gohda , Yasuyuki Tanaka
发明人： Akihiro Shikakura , Shinichi Yamashita , Makoto Gohda , Yasuyuki Tanaka
IPC分类号： H03L7/087 , H03L7/14
CPC分类号： H03L7/087 , H03L7/14
摘要： A phase-locked loop device for producing an output clock synchronized in phase with an input clock, wherein in addition to a loop responsive to the phase difference between an output clock of a controlled oscillator and the input clock for controlling the controlled oscillator, there is provided another loop for controlling the controlled oscillator in accordance with the frequency difference between the output clock of the controlled oscillator and a reference clock.
摘要翻译：一种用于产生与输入时钟相位同步的输出时钟的锁相环装置，其中除了响应于受控振荡器的输出时钟和用于控制受控振荡器的输入时钟之间的相位差的一个环路之外，还存在提供了另一个环路，用于根据受控振荡器的输出时钟和参考时钟之间的频率差来控制受控振荡器。

3. 发明授权

US5663844A Signal reproducing apparatus having waveform equalizing function 失效
标题翻译：具有波形均衡功能的信号再生装置
公开(公告)号：US5663844A
公开(公告)日：1997-09-02
申请号：US156408
申请日：1993-11-19
申请人： Makoto Gohda , Shinichi Yamashita
发明人： Makoto Gohda , Shinichi Yamashita
IPC分类号： G11B5/035 , G11B20/06 , H04L25/03
CPC分类号： H04L25/03019 , G11B20/06 , G11B5/035
摘要： A circuit is provided for emphasizing or suppressing both a frequency corresponding to an upper sideband and a frequency corresponding to a lower sideband with respect to a frequency corresponding to the carrier of a frequency-modulated signal in equalizing the frequency-modulated signal reproduced from the recording medium. With this arrangement, it is possible to effectively compensate for the nonlinearity of a magnetic recording and reproducing system even in the case of a wide deviation. Also, the envelope levels of the portions of a frequency-modulated signal which are formed by frequency-modulating portions of a signal whose levels differ from each other, are extracted to adjust the equalizing characteristics of the equalizing circuit in accordance with the difference between the levels, whereby variations in the characteristics of a reproduction equalizing circuit due to variations with time can be appropriately compensated for.
摘要翻译：提供一种电路，用于相对于与频率调制信号的载波相对应的频率来强调或抑制对应于上边带的频率和对应于下边带的频率，以均衡从记录再现的频率调制信号中。利用这种布置，即使在宽偏差的情况下，也可以有效地补偿磁记录和再现系统的非线性。此外，提取通过其电平彼此不同的信号的频率调制部分形成的频率调制信号的部分的包络电平，以根据所述均衡电路的差异来调整均衡电路的均衡特性电平，由此可以适当地补偿由于随时间变化的再现均衡电路的特性的变化。

4. 发明授权

US5528307A Clock generator 失效
标题翻译：时钟发生器
公开(公告)号：US5528307A
公开(公告)日：1996-06-18
申请号：US395296
申请日：1995-02-27
申请人： Mitsuru Owada , Shinichi Yamashita , Makoto Gohda
发明人： Mitsuru Owada , Shinichi Yamashita , Makoto Gohda
IPC分类号： H04N9/896 , H04N5/95
CPC分类号： H04N9/896
摘要： An apparatus for correcting a time base of a video signal generates a clock which is phase-synchronized with a sync. signal of the video signal and has the same frequency. In a special reproducing mode, the apparatus switches an output level of a phase comparator, which phase-compares the sync. signal and the clock to a predetermined level, which is applied to a controlled oscillator and resets a frequency divider which frequency-divides the output of the controlled oscillator, in accordance with the sync. signal to produce the video signal which can be visually recognized even in the special reproducing mode. The apparatus samples and holds the output level of the phase comparator when the video signal drops out and resets the frequency divider which produces the clock by frequency-dividing the output of the controlled oscillator, when the dropout is recovered so that a video signal of high quality is produced immediately after the recovery of the dropout of the video signal.
摘要翻译：用于校正视频信号的时基的装置产生与同步相位同步的时钟。视频信号的信号并具有相同的频率。在特殊再现模式中，该装置切换相位比较器的输出电平，该相位比较器进行相位比较同步。信号和时钟到预定电平，其被施加到受控振荡器并且根据同步来复位频率划分受控振荡器的输出的分频器。信号以产生即使在特殊再现模式下也可视觉识别的视频信号。当视频信号丢失时，该装置采样并保持相位比较器的输出电平，并且通过对受控振荡器的输出进行分频来复位产生时钟的分频器，当压降恢复时，视频信号为高电平在恢复视频信号的丢失之后立即产生质量。

5. 发明授权

US5335077A Time base correcting device 失效
标题翻译：时基校正装置
公开(公告)号：US5335077A
公开(公告)日：1994-08-02
申请号：US906267
申请日：1992-06-26
申请人： Shinichi Yamashita , Shingo Ikeda , Makoto Gohda
发明人： Shinichi Yamashita , Shingo Ikeda , Makoto Gohda
IPC分类号： H04N9/896 , A04N9/89
CPC分类号： H04N9/896
摘要： A time base correcting device inputs a video signal including a sync. signal and a burst signal, produces an error signal representing a phase difference between a clock signal synchronized with the sync. signal and the burst signal, writes the video signal into the memory in synchronism with the clock signal having a phase thereof adjusted in accordance with the error signal, produces an interpolation signal to interpolate a plurality of adjacent error signals along a time base and controls the readout from the memory by the error signals and the interpolation signal. In this manner, it attains time base correction, particularly velocity error correction with high accuracy.
摘要翻译：时基校正装置输入包括同步的视频信号。信号和突发信号产生表示与同步同步的时钟信号之间的相位差的误差信号。信号和突发信号，将视频信号与具有根据误差信号调整的相位的时钟信号同步地写入存储器，产生内插信号，以沿着时基内插多个相邻的误差信号，并且控制通过误差信号和插值信号从存储器读出。以这种方式，可以实现时基校正，特别是高精度的速度误差校正。

6. 发明申请

US20060092790A1 Reproducing apparatus 失效
公开(公告)号：US20060092790A1
公开(公告)日：2006-05-04
申请号：US11262026
申请日：2005-10-27
申请人： Yasuyuki Tanaka , Shinichi Yamashita
发明人： Yasuyuki Tanaka , Shinichi Yamashita
IPC分类号： G11B7/0045
CPC分类号： G11B7/0045 , G11B7/0053
摘要： A reproducing apparatus includes a reading unit configured to generate a reproduced signal containing information data recorded in a track using a reflected light of an optical beam, a clock generation unit configured to generate a clock having a frequency associated with a wobbling cycle of the track, and a control unit configured to detect a phase difference between the reproduced signal and the clock, and to control the clock generation unit using the phase difference detection result.

7. 发明授权

US07564750B2 Reproducing apparatus 失效
标题翻译：再现装置
公开(公告)号：US07564750B2
公开(公告)日：2009-07-21
申请号：US11262026
申请日：2005-10-27
申请人： Yasuyuki Tanaka , Shinichi Yamashita
发明人： Yasuyuki Tanaka , Shinichi Yamashita
IPC分类号： G11B7/005
CPC分类号： G11B7/0045 , G11B7/0053
摘要： A reproducing apparatus includes a reading unit configured to generate a reproduced signal containing information data recorded in a track using a reflected light of an optical beam, a clock generation unit configured to generate a clock having a frequency associated with a wobbling cycle of the track, and a control unit configured to detect a phase difference between the reproduced signal and the clock, and to control the clock generation unit using the phase difference detection result.
摘要翻译：一种再现装置，包括：读取单元，被配置为使用光束的反射光产生包含记录在轨道中的信息数据的再现信号;时钟生成单元，被配置为生成具有与轨道的摆动周期相关联的频率的时钟，以及控制单元，被配置为检测再现信号和时钟之间的相位差，并且使用相位差检测结果来控制时钟生成单元。

8. 发明授权

US6097560A Reproducing apparatus having clock generator controlled by detected phase-difference and tendency of phase-difference 失效
标题翻译：具有通过检测到的相位差和相位差倾向控制的时钟发生器的再现装置
公开(公告)号：US6097560A
公开(公告)日：2000-08-01
申请号：US512801
申请日：1995-08-09
申请人： Yasuyuki Tanaka , Shinichi Yamashita
发明人： Yasuyuki Tanaka , Shinichi Yamashita
IPC分类号： G11B5/008 , G11B5/09 , G11B20/10 , G11B20/14 , H03L7/06 , H03L7/093 , H03L7/113
CPC分类号： H03L7/093 , G11B20/10 , G11B20/1403 , H03L7/113 , G11B5/0086 , G11B5/09
摘要： An apparatus for generating a clock signal phase-synchronized with an input signal includes phase-difference detecting circuitry for detecting a phase difference between an input signal and a clock signal phase-synchronized with the input signal, detecting circuitry for detecting a tendency of an output of the phase-difference detecting circuitry and outputting a signal indicative of the tendency, and adder for adding together an output of the detecting means and the output of the phase-difference detecting circuitry, and an oscillator for receiving an output of the adder and outputting as the clock signal a signal having a frequency corresponding to the output of the adder.
摘要翻译：用于产生与输入信号相位同步的时钟信号的装置包括相位差检测电路，用于检测输入信号和与输入信号相位同步的时钟信号之间的相位差，用于检测输出趋势的检测电路并输出表示该趋势的信号，以及加法器，用于将检测装置的输出和相位差检测电路的输出相加，以及用于接收加法器的输出并输出的振荡器作为时钟信号，具有对应于加法器的输出的频率的信号。

9. 发明授权

US4953019A Image signal encoding apparatus 失效
标题翻译：图像信号编码装置
公开(公告)号：US4953019A
公开(公告)日：1990-08-28
申请号：US440490
申请日：1989-11-22
申请人： Akihiro Skikakura , Yasuyuki Tanaka , Makoto Shimokoriyama , Yoshiki Ishii , Tetsuya Shimizu , Shinichi Yamashita , Akio Fujii
发明人： Akihiro Skikakura , Yasuyuki Tanaka , Makoto Shimokoriyama , Yoshiki Ishii , Tetsuya Shimizu , Shinichi Yamashita , Akio Fujii
IPC分类号： H04N7/26 , H04N7/12
CPC分类号： H04N19/98
摘要： An image signal encoding apparatus for encoding an image signal in which image of one picture plane consisting of a plurality of pixel data are divided into a plurality of blocks each consisting of a predetermined number of pixel data. For each of the blocks, a pair of reference value data regarding the maximum and minimum values of the levels of the pixel data constructing the block are formed. On the basis of the formed reference value data, encoded date is formed by encoding each of the pixel data of the block. Decoded data is formed by decoding the encoded data formed on the basis of the reference value data. By comparing each of the pixel data of the block with the decoded data, errors are detected. The reference value data are corrected in accordance with the result of the detection. Thus, the encoding errors are reduced and it is possible to perform the encoding with less deterioration in picture quality of the image signal.
摘要翻译：一种用于编码图像信号的图像信号编码装置，其中由多个像素数据组成的一个图像的图像被划分成由预定数量的像素数据组成的多个块。对于每个块，形成关于构成该块的像素数据的电平的最大值和最小值的一对参考值数据。基于形成的参考值数据，通过对块的每个像素数据进行编码来形成编码日期。通过对基于参考值数据形成的编码数据进行解码来形成解码数据。通过将块的像素数据与解码数据进行比较，检测出错误。参考值数据根据检测结果进行校正。因此，编码错误减少，并且可以以较少的图像信号的图像质量劣化来执行编码。

10. 发明申请

US20090127642A1 PHOTOELECTRIC SURFACE, ELECTRON TUBE COMPRISING SAME, AND METHOD FOR PRODUCING PHOTOELECTRIC SURFACE 审中-公开
标题翻译：光电表面，包含它们的电子管和用于生产光电表面的方法
公开(公告)号：US20090127642A1
公开(公告)日：2009-05-21
申请号：US12281720
申请日：2007-03-05
申请人： Shinichi Yamashita , Hiroyuki Watanabe , Hideaki Suzuki , Kengo Suzuki
发明人： Shinichi Yamashita , Hiroyuki Watanabe , Hideaki Suzuki , Kengo Suzuki
IPC分类号： H01L31/02 , H01J43/04 , H01L21/04
CPC分类号： H01J9/12 , H01J1/34 , H01J40/16
摘要： A photoelectric element 10 includes a substrate 12 that transmits incident light, an intermediate layer 14 made of HfO2, an under layer 16, and a photoelectron emitting layer 18 containing an alkali metal. That is, the photoelectric element 10 includes the intermediate layer 14 formed between the substrate 12 and the photoelectron emitting layer 18. Thereby, a photoelectric element that can exhibit a high value of effective quantum efficiency, an electron tube including the same, and a method for producing a photoelectric element are realized.
摘要翻译：光电元件10包括透射入射光的基板12，由HfO 2制成的中间层14，下层16和含有碱金属的光电子发射层18。也就是说，光电元件10包括形成在基板12和光电子发射层18之间的中间层14.由此，可以显示高有效量子效率值的光电元件，包括该光电元件的电子管和方法实现光电元件的制造。

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