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1. 发明授权

US07961579B2 Information reproduction apparatus 失效
标题翻译：信息再生装置
公开(公告)号：US07961579B2
公开(公告)日：2011-06-14
申请号：US12445508
申请日：2006-10-17
申请人： Kazuo Kuroda , Naoharu Yanagawa
发明人： Kazuo Kuroda , Naoharu Yanagawa
IPC分类号： G11B7/00
CPC分类号： G11B19/12 , G11B2007/0006
摘要： When a medium selection button 101 is operated, an optical disc reproduction apparatus 1 recognizes which medium is selected according to inputted medium selection information, and then opens a tray 104. Next, when a medium selection button 101 is operated, the optical disc reproduction apparatus 1 determines the inputted medium selection information and closes the tray 104. Next, the optical disc reproduction apparatus 1 acquires a priority list 16 and modifies the priority list 16 such that the order of the selected medium in the priority list 16 is a first priority and the remaining orders of the other media are successively lowered. The optical disc reproduction apparatus 1 performs a medium check for each of the media in accordance with the orders of the modified priority list 16.
摘要翻译：当操作介质选择按钮101时，光盘再现装置1根据输入的介质选择信息识别哪个介质被选择，然后打开托盘104.接下来，当操作介质选择按钮101时，光盘再现设备 1确定输入的介质选择信息并关闭托盘104.接下来，光盘再现设备1获取优先级列表16并修改优先级列表16，使得优先级列表16中所选择的介质的顺序是第一优先级，其他媒体的剩余命令依次下降。光盘再现装置1根据修改的优先级列表16的顺序对媒体进行媒体检查。

2. 发明申请

US20100037247A1 INFORMATION REPRODUCTION APPARATUS 失效
标题翻译：信息发布设备
公开(公告)号：US20100037247A1
公开(公告)日：2010-02-11
申请号：US12445508
申请日：2006-10-17
申请人： Kazuo Kuroda , Naoharu Yanagawa
发明人： Kazuo Kuroda , Naoharu Yanagawa
IPC分类号： G11B17/03
CPC分类号： G11B19/12 , G11B2007/0006
摘要： When a medium selection button 101 is operated, an optical disc reproduction apparatus 1 recognizes which medium is selected according to inputted medium selection information, and then opens a tray 104. Next, when a medium selection button 101 is operated, the optical disc reproduction apparatus 1 determines the inputted medium selection information and closes the tray 104. Next, the optical disc reproduction apparatus 1 acquires a priority list 16 and modifies the priority list 16 such that the order of the selected medium in the priority list 16 is a first priority and the remaining orders of the other media are successively lowered. The optical disc reproduction apparatus 1 performs a medium check for each of the media in accordance with the orders of the modified priority list 16.
摘要翻译：当操作介质选择按钮101时，光盘再现装置1根据输入的介质选择信息识别哪个介质被选择，然后打开托盘104.接下来，当操作介质选择按钮101时，光盘再现设备 1确定输入的介质选择信息并关闭托盘104.接下来，光盘再现设备1获取优先级列表16并修改优先级列表16，使得优先级列表16中所选择的介质的顺序是第一优先级，其他媒体的剩余命令依次下降。光盘再现装置1根据修改的优先级列表16的顺序对媒体进行媒体检查。

3. 发明申请

US20150124249A1 LIGHT MEASUREMENT APPARATUS 有权
标题翻译：轻量测量装置
公开(公告)号：US20150124249A1
公开(公告)日：2015-05-07
申请号：US14407626
申请日：2012-06-15
申请人： Naoharu Yanagawa
发明人： Naoharu Yanagawa
IPC分类号： G01J3/02
CPC分类号： G01J3/0254 , G01J1/08 , G01J2001/0481
摘要： The light measurement apparatus according to the present invention includes: an integrating sphere; a reference calibration light source body holding unit that is arranged on the integrating sphere and to which a reference calibration light source body is attached; a test light source body holding unit that is arranged on the integrating sphere and to which a test light source body to be measured is attached; a light detection unit that is arranged on the integrating sphere and detects light from the reference calibration light source body and the test light source body; and a control unit that controls lighting of the reference calibration light source body and the test light source body, the light measurement apparatus being configured so that only either one of the reference calibration light source body and the test light source body is able to selectively emit light in the integrating sphere.
摘要翻译：根据本发明的光测量装置包括：积分球; 参考校准光源体保持单元，其布置在所述积分球上并附着有基准校准光源体; 测试光源体保持单元，其布置在所述积分球上，并且附接有待测量的测试光源体; 光检测单元，布置在积分球上并检测来自基准校准光源体和测试光源体的光; 以及控制单元，其控制所述基准校准光源体和所述测试光源体的照明，所述光测量装置被配置为使得仅所述参考校准光源体和所述测试光源体中的任一个能够选择性地发射光在积分球。

4. 发明授权

US07623435B2 Optical pickup device, and information recording and reproduction device 失效
标题翻译：光拾取装置和信息记录和再现装置
公开(公告)号：US07623435B2
公开(公告)日：2009-11-24
申请号：US11660540
申请日：2005-08-12
申请人： Naoharu Yanagawa , Fumihiko Sano
发明人： Naoharu Yanagawa , Fumihiko Sano
IPC分类号： G11B7/00
CPC分类号： G11B7/0045 , G11B7/09 , G11B7/0925 , G11B7/1275 , G11B7/1381
摘要： A sufficient S/N ratio in reproduction of an optical disk is achieved without complexing a circuit structure even if a data recording speed relative to the optical disk is increased. When data is recorded into an optical disk (DK), in an information recording and reproduction device (RP), both a first light beam and a second light beam are emitted at the same time. A sub-actuator section (20) is provided in addition to a main actuator (15) for correcting the displacement of light collecting spots caused by the displacement between the optical axis of the first beam and the optical axis of the second beam. Only the optical axis of the second light beam is adjusted by the sub-actuator section (20).
摘要翻译：即使相对于光盘的数据记录速度增加，也不会使电路结构复杂化，从而实现光盘再现时的足够的S / N比。当将数据记录到光盘（DK）中时，在信息记录和再现设备（RP）中，同时发射第一光束和第二光束。除了用于校正由第一光束的光轴和第二光束的光轴之间的位移引起的聚光点的位移的主致动器（15）之外，还设置有副致动器部分（20）。只有第二光束的光轴被副致动器部分（20）调节。

5. 发明授权

US07154831B2 Device and method for controlling tilt servo 失效
公开(公告)号：US07154831B2
公开(公告)日：2006-12-26
申请号：US11174478
申请日：2005-07-06
申请人： Naoharu Yanagawa , Masahiro Kato
发明人： Naoharu Yanagawa , Masahiro Kato
IPC分类号： G11B7/00
CPC分类号： G11B7/0956 , G11B7/0945 , G11B7/1369 , G11B2007/0006
摘要： A tilt servo control device of an apparatus for recording information on and reproducing information from an optical recording medium set in the apparatus, the apparatus comprising an optical system for leading a laser beam emitted from a light source to a recording surface of the optical recording medium and a laser beam reflected by the recording surface of the recording medium to a photo detector and a read signal generator for generating a read signal in accordance with an output signal of the photo detector. The tilt servo control device determines a type of the optical recording medium, generates a tilt drive signal so as to reduce a tilt angle at a position of the laser beam irradiating the recording surface and an optical axis of the laser beam by a method for generating a tilt drive signal corresponding to the recording medium type, and drives a tilt angle adjuster for adjusting the tilt angle in accordance with the tilt drive signal.

6. 发明授权

US07016285B2 Linking gap detecting device and method of optical recording medium 失效
标题翻译：链接间隙检测装置及光记录介质的方法
公开(公告)号：US07016285B2
公开(公告)日：2006-03-21
申请号：US10461871
申请日：2003-06-16
申请人： Naoharu Yanagawa , Masafumi Asada , Takakazu Sugiyama , Yuji Shimizu
发明人： Naoharu Yanagawa , Masafumi Asada , Takakazu Sugiyama , Yuji Shimizu
IPC分类号： G11B7/00
CPC分类号： G11B19/12
摘要： Linking gap detecting device and method in which a light beam is irradiated to an information recording track of an optical recording medium; a light detecting signal is generated by receiving reflected light of the light beam irradiated to the information recording track; a synchronous signal is detected from the light detecting signal; it is judged whether the existing interval of the synchronous signal lies outside a predetermined interval range or not; and the linking gap is detected on the basis of a result of the judgment.
摘要翻译：连接间隙检测装置和方法，其中光束照射到光学记录介质的信息记录轨道; 通过接收照射到信息记录轨道的光束的反射光来产生光检测信号; 从光检测信号检测同步信号; 判断同步信号的现有间隔是否在预定的间隔范围之外; 并且基于判断结果来检测连接间隙。

7. 发明申请

US20050270924A1 Device and method for controlling tilt servo 失效
标题翻译：用于控制倾斜伺服的装置和方法
公开(公告)号：US20050270924A1
公开(公告)日：2005-12-08
申请号：US11174478
申请日：2005-07-06
申请人： Naoharu Yanagawa , Masahiro Kato
发明人： Naoharu Yanagawa , Masahiro Kato
IPC分类号： G11B7/004 , G11B7/00 , G11B7/09 , G11B7/095 , G11B7/135
CPC分类号： G11B7/0956 , G11B7/0945 , G11B7/1369 , G11B2007/0006
摘要： A tilt servo control device of an apparatus for recording information on and reproducing information from an optical recording medium set in the apparatus, the apparatus comprising an optical system for leading a laser beam emitted from a light source to a recording surface of the optical recording medium and a laser beam reflected by the recording surface of the recording medium to a photo detector and a read signal generator for generating a read signal in accordance with an output signal of the photo detector. The tilt servo control device determines a type of the optical recording medium, generates a tilt drive signal so as to reduce a tilt angle at a position of the laser beam irradiating the recording surface and an optical axis of the laser beam by a method for generating a tilt drive signal corresponding to the recording medium type, and drives a tilt angle adjuster for adjusting the tilt angle in accordance with the tilt drive signal.
摘要翻译：一种用于从设备中设置的光记录介质上记录信息并从其再现信息的装置的倾斜伺服控制装置，该装置包括用于将从光源发射的激光束引导到光记录介质的记录表面的光学系统以及由记录介质的记录表面反射到光电检测器的激光束和用于根据光电检测器的输出信号产生读取信号的读取信号发生器。倾斜伺服控制装置确定光学记录介质的类型，产生倾斜驱动信号，以便减少激光束照射记录表面的位置处的倾斜角度和激光束的光轴。与记录介质类型对应的倾斜驱动信号，并且驱动用于根据倾斜驱动信号调整倾斜角度的倾斜角度调节器。

8. 发明申请

US20050249074A1 Information record apparatus and method, and computer program product 失效
标题翻译：信息记录装置和方法，以及计算机程序产品
公开(公告)号：US20050249074A1
公开(公告)日：2005-11-10
申请号：US11055611
申请日：2005-02-11
申请人： Naoharu Yanagawa
发明人： Naoharu Yanagawa
IPC分类号： G11B7/0045 , G11B5/09 , G11B7/125
CPC分类号： G11B7/1267
摘要： An information record apparatus includes a recording device for recording information into a record medium, where pre-information for controlling a recording of the information is recorded in advance, by irradiating the record medium with a laser beam whose power is varied depending on a driving pulse; a first controlling device for modifying the driving pulse into at least a top pulse and a middle pulse; an optimum ratio detecting device for detecting an optimum ratio that is a pulse ratio at which a first reproduction quality that is a reproduction quality of the pre-information meets a first reference, on the basis of a first correlation information to indicate a correlation between the first reproduction quality and a pulse ratio of at least the top pulse to the middle pulse; and a second controlling device for modifying the driving pulse in accordance with a pulse ratio corresponding to the optimum ratio.
摘要翻译：信息记录装置包括用于将信息记录到记录介质中的记录装置，其中用于控制记录信息的预先信息被预先记录，通过用根据驱动脉冲而变化功率的激光束照射记录介质 ; 用于将所述驱动脉冲修改为至少顶部脉冲和中间脉冲的第一控制装置; 一种最佳比率检测装置，用于根据第一相关信息检测作为前置信息的再现质量的第一再现质量满足第一参考的脉冲比的最佳比率，以指示第第一再现质量和至少顶部脉冲与中间脉冲的脉冲比; 以及第二控制装置，用于根据对应于最佳比率的脉冲比修正驱动脉冲。

9. 发明授权

US06801488B2 Pre-pit detecting apparatus for optical recording medium 失效
标题翻译：光记录媒体预坑检测装置
公开(公告)号：US06801488B2
公开(公告)日：2004-10-05
申请号：US10062557
申请日：2002-02-05
申请人： Masahiro Kato , Naoharu Yanagawa , Tatsuhiro Yone , Yuko Muramatsu , Shinji Suzuki
发明人： Masahiro Kato , Naoharu Yanagawa , Tatsuhiro Yone , Yuko Muramatsu , Shinji Suzuki
IPC分类号： G11B509
CPC分类号： G11B27/3027 , G11B7/0053 , G11B27/24 , G11B2220/216 , G11B2220/218 , G11B2220/2562
摘要： A pre-pit detecting apparatus which, when a light beam is radiated onto an optical recording medium having a recording surface with pre-pits repeatedly formed between tracks, receives light reflected by the recording surface with first and second light receiving faces, obtains the push-pull signal corresponding to the light receiving signals for the first and second light receiving faces, samples the push-pull signal to collect sample data for a predetermined period, and sets a threshold value between the maximum value of data corresponding to a track and the minimum value of data corresponding to a pre-pit, of the collected sample data.
摘要翻译：一种预凹坑检测装置，当将光束照射到具有在轨迹之间重复形成的预凹坑的记录表面的光记录介质上时，接收由第一和第二光接收面由记录表面反射的光，获得推对应于第一和第二光接收面的光接收信号的抽样信号，采样推挽信号以收集采样数据一段预定的时间，并且将对应于轨道的数据的最大值与收集的样本数据的与预坑相对应的数据的最小值。

10. 发明授权

US06266313B1 Optical pickup for recording or reproducing system 失效
公开(公告)号：US06266313B1
公开(公告)日：2001-07-24
申请号：US08995218
申请日：1997-12-19
申请人： Naoharu Yanagawa , Eiji Muramatsu
发明人： Naoharu Yanagawa , Eiji Muramatsu
IPC分类号： G11B700
CPC分类号： G11B7/1353 , G11B7/1356 , G11B7/1365 , G11B7/1398
摘要： A light source is provided for emitting a first beam having a far-field pattern of an elliptic shape. The first beam is a linearly polarized light having a first polarizing direction in a major axis of the elliptic shape. A half-wave plate is provided for rotating the polarizing direction of the first beam 90 degrees, thereby changing the first beam to a second beam. A beam splitter is provided for changing the elliptic shape of the second beam into a circular shape. The beam splitter is arranged to transmit the second beam and to reflect a third beam having a polarizing direction different from that of the second beam by 90 degrees. A quarter-wave plate is provided for transmitting the second beam from the beam splitter to apply it to an optical disc, and for changing the second beam reflected from the optical disc into the third beam. The third beam reflected from the beam splitter is applied to a photodetector.

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