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1. 发明申请

US20100066336A1 POWER CONTROL CIRCUIT 有权
标题翻译：电源控制电路
公开(公告)号：US20100066336A1
公开(公告)日：2010-03-18
申请号：US12447766
申请日：2007-10-29
申请人： Kyoichiro Araki , Hironori Nakahara , Yoshinori Imanaka , Isao Yamamoto
发明人： Kyoichiro Araki , Hironori Nakahara , Yoshinori Imanaka , Isao Yamamoto
IPC分类号： G05F1/10
CPC分类号： H02M3/156 , H02M1/32
摘要： A control circuit 10 according to the present invention transits to a first current limiter mode when an output current of a DC-DC converter circuit reaches an upper limit current or greater in a normal mode; transits to the normal mode when the output current falls below the upper limit current in the first current limiter mode; transits to a second current limiter mode when a first predetermined period elapses without a transition to the normal mode in the first current limiter mode; and transits to the normal mode when a second predetermined period elapses in the second current limiter mode.
摘要翻译：当DC-DC转换器电路的输出电流在正常模式下达到上限电流或更大时，根据本发明的控制电路10转换到第一限流模式; 当输出电流低于第一限流器模式中的上限电流时，转换到正常模式; 当在第一限流器模式中经过第一预定时间而没有转换到正常模式时，转换到第二限流器模式; 并且当在第二限流器模式中经过第二预定时间时，转换到正常模式。

2. 发明授权

US08093876B2 Power control circuit to prevent a malfunction of a protection circuit 有权
标题翻译：电源控制电路，以防止保护电路发生故障
公开(公告)号：US08093876B2
公开(公告)日：2012-01-10
申请号：US12447766
申请日：2007-10-29
申请人： Kyoichiro Araki , Hironori Nakahara , Yoshinori Imanaka , Isao Yamamoto
发明人： Kyoichiro Araki , Hironori Nakahara , Yoshinori Imanaka , Isao Yamamoto
IPC分类号： G05F1/00
CPC分类号： H02M3/156 , H02M1/32
摘要： A control circuit 10 according to the present invention transits to a first current limiter mode when an output current of a DC-DC converter circuit reaches an upper limit current or greater in a normal mode; transits to the normal mode when the output current falls below the upper limit current in the first current limiter mode; transits to a second current limiter mode when a first predetermined period elapses without a transition to the normal mode in the first current limiter mode; and transits to the normal mode when a second predetermined period elapses in the second current limiter mode.
摘要翻译：当DC-DC转换器电路的输出电流在正常模式下达到上限电流或更大时，根据本发明的控制电路10转换到第一限流模式; 当输出电流低于第一限流器模式中的上限电流时，转换到正常模式; 当在第一限流器模式中经过第一预定时间而没有转换到正常模式时，转换到第二限流器模式; 并且当在第二限流器模式中经过第二预定时间时，转换到正常模式。

3. 发明授权

US08787137B2 Optical pickup device and optical disc device 有权
标题翻译：光拾取装置和光盘装置
公开(公告)号：US08787137B2
公开(公告)日：2014-07-22
申请号：US13978160
申请日：2012-01-17
申请人： Hironori Nakahara , Toshiya Matozaki , Nobuo Takeshita
发明人： Hironori Nakahara , Toshiya Matozaki , Nobuo Takeshita
IPC分类号： G11B7/135
CPC分类号： G11B7/13927 , G11B7/1362 , G11B7/1376 , G11B2007/0013
摘要： An optical pickup device includes a laser light source 201, a collimating optical system 202 for converting laser light to parallel light, a focusing optical system 205 for focusing the parallel light onto an optical disc, a light detection unit for receiving returning light returning by reflection of the focused light from the optical disc 101 and outputting a detection signal, and a reflecting mirror 204 disposed between the collimating optical system and the focusing optical system. The reflecting mirror 204 has a reflective surface including three regions having different reflectances. The central region on the reflecting surface meets the other two regions, at positions illuminated by the light focused by the light focusing optical system, in boundary lines that are parallel to a radial direction on the optical disc 101. The reflectance of the central region is lower than the reflectances of the other two regions.
摘要翻译：光拾取装置包括激光源201，用于将激光转换为平行光的准直光学系统202，用于将平行光聚焦到光盘上的聚焦光学系统205，用于接收通过反射返回的返回光的光检测单元来自光盘101的聚焦光并输出检测信号，反射镜204设置在准直光学系统和聚焦光学系统之间。反射镜204具有包括具有不同反射率的三个区域的反射表面。反射表面上的中心区域与由光聚焦光学系统聚焦的光照射的位置处在与光盘101上的径向平行的边界线处的另外两个区域相交。中心区域的反射率为低于其他两个地区的反射率。

4. 发明申请

US20120106310A1 OPTICAL HEAD DEVICE AND OPTICAL DISC DEVICE 有权
标题翻译：光头设备和光盘设备
公开(公告)号：US20120106310A1
公开(公告)日：2012-05-03
申请号：US13380791
申请日：2011-01-17
申请人： Masahisa Shinoda , Hironori Nakahara , Masayuki Omaki , Kenya Nakai , Nobuo Takeshita
发明人： Masahisa Shinoda , Hironori Nakahara , Masayuki Omaki , Kenya Nakai , Nobuo Takeshita
IPC分类号： G11B7/1353 , G11B7/1374
CPC分类号： G11B7/0903 , G11B7/094 , G11B7/131 , G11B7/1353 , G11B7/13925 , G11B7/1395 , G11B2007/0013
摘要： An optical head device mounted in an optical disc device. The optical head device is provided with a diffractive optical element and a photodetector. The diffractive optical element has: a primary diffraction region at a location on which the positive and negative first-order components and some of the zero-order component of a reflectively diffracted light beam are incident; and secondary diffraction regions at locations on which the rest of the zero-order component but none of the positive or negative first-order components of the reflectively diffracted light beam are incident. A main light-receiving section of the photodetector receives the zero-order component of a transmissively diffracted light beam that has passed through the primary diffraction region and the secondary diffraction regions. Secondary light-receiving sections receive the positive first-order component and/or the negative first-order component of the transmissively diffracted light beam that has passed through the secondary diffraction regions.
摘要翻译：安装在光盘装置中的光学头装置。光头装置设置有衍射光学元件和光电检测器。衍射光学元件具有：反射衍射光束的正，负一阶分量和零级分量的一部分入射的位置处的主衍射区域; 以及零反射衍射光束的零级分量的其余部分而不是反射衍射光束的正或负一阶分量的位置处的次级衍射区域。光检测器的主光接收部接收通过一次衍射区域和二次衍射区域的透射衍射光束的零级分量。次级光接收部分接收通过次级衍射区域的透射衍射光束的正一级分量和/或负一级分量。

5. 发明授权

US08045441B2 Optical disc and optical disc device 有权
公开(公告)号：US08045441B2
公开(公告)日：2011-10-25
申请号：US11878465
申请日：2007-07-24
申请人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
发明人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
IPC分类号： G11B7/20
CPC分类号： G11B27/329 , G11B7/00736 , G11B7/0079 , G11B7/0945 , G11B7/1275 , G11B7/24038 , G11B19/122 , G11B20/1217 , G11B27/105 , G11B2007/0006 , G11B2007/0013 , G11B2220/235
摘要： In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other information layers, in read and write operations by a compatible optical disc device conforming to a plurality of optical disc standards, every time the information layer being accessed changes, it has been necessary to read the type of the information layer and select a method of generating a tracking error signal adapted to the type of information layer, so access has taken time. In order to solve the above problem, in the optical multilayer disc according to the present invention, having information layers conforming to a plurality of different optical disc standards, in an area in one of the information layers, information about the other information layers is recorded. The time required to access the other information layers can be reduced by using this information to select a tracking error signal generating method.

6. 发明授权

US07889613B2 Optical disc and optical disc device 有权
公开(公告)号：US07889613B2
公开(公告)日：2011-02-15
申请号：US11978611
申请日：2007-10-30
申请人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
发明人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
IPC分类号： G11B7/00
CPC分类号： G11B27/329 , G11B7/00736 , G11B7/0079 , G11B7/0945 , G11B7/1275 , G11B7/24038 , G11B19/122 , G11B20/1217 , G11B27/105 , G11B2007/0006 , G11B2007/0013 , G11B2220/235
摘要： In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other information layers, in read and write operations by a compatible optical disc device conforming to a plurality of optical disc standards, every time the information layer being accessed changes, it has been necessary to read the type of the information layer and select a method of generating a tracking error signal adapted to the type of information layer, so access has taken time. In order to solve the above problem, in the optical multilayer disc according to the present invention, having information layers conforming to a plurality of different optical disc standards, in an area in one of the information layers, information about the other information layers is recorded. The time required to access the other information layers can be reduced by using this information to select a tracking error signal generating method.

7. 发明授权

US07773485B2 Optical disc and optical disc device 有权
标题翻译：光盘和光盘设备
公开(公告)号：US07773485B2
公开(公告)日：2010-08-10
申请号：US11657029
申请日：2007-01-24
申请人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
发明人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
IPC分类号： G11B7/00
CPC分类号： G11B27/329 , G11B7/00736 , G11B7/0079 , G11B7/0945 , G11B7/1275 , G11B7/24038 , G11B19/122 , G11B20/1217 , G11B27/105 , G11B2007/0006 , G11B2007/0013 , G11B2220/235
摘要： In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other information layers, in read and write operations by a compatible optical disc device conforming to a plurality of optical disc standards, every time the information layer being accessed changes, it has been necessary to read the type of the information layer and select a method of generating a tracking error signal adapted to the type of information layer, so access has taken time.In order to solve the above problem, in the optical multilayer disc according to the present invention, having information layers conforming to a plurality of different optical disc standards, in an area in one of the information layers, information about the other information layers is recorded. The time required to access the other information layers can be reduced by using this information to select a tracking error signal generating method.
摘要翻译：在具有符合多个不同光盘标准的信息层的多层光盘中，由于每个信息层的类型不被记录在其他信息层中，所以在兼容的光盘装置的读写操作中，符合多个光盘标准，每次被访问的信息层都改变时，必须读取信息层的类型，并选择一种生成适合于信息层类型的跟踪误差信号的方法，因此访问需要时间。为了解决上述问题，在根据本发明的具有符合多个不同光盘标准的信息层的光学多层盘中，在信息层之一中的区域中记录关于其他信息层的信息。可以通过使用该信息来选择跟踪误差信号生成方法来减少访问其他信息层所需的时间。

8. 发明申请

US20070263497A1 Optical disc and optical disc device 有权
公开(公告)号：US20070263497A1
公开(公告)日：2007-11-15
申请号：US11878461
申请日：2007-07-24
申请人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
发明人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
IPC分类号： G11B7/00
CPC分类号： G11B27/329 , G11B7/00736 , G11B7/0079 , G11B7/0945 , G11B7/1275 , G11B7/24038 , G11B19/122 , G11B20/1217 , G11B27/105 , G11B2007/0006 , G11B2007/0013 , G11B2220/235
摘要： In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other information layers, in read and write operations by a compatible optical disc device conforming to a plurality of optical disc standards, every time the information layer being accessed changes, it has been necessary to read the type of the information layer and select a method of generating a tracking error signal adapted to the type of information layer, so access has taken time. In order to solve the above problem, in the optical multilayer disc according to the present invention, having information layers conforming to a plurality of different optical disc standards, in an area in one of the information layers, information about the other information layers is recorded. The time required to access the other information layers can be reduced by using this information to select a tracking error signal generating method.

9. 发明授权

US08891342B2 Optical head device and optical disc device 有权
标题翻译：光头设备和光盘设备
公开(公告)号：US08891342B2
公开(公告)日：2014-11-18
申请号：US14362865
申请日：2012-10-11
申请人： Hironori Nakahara , Toshiya Matozaki , Nobuo Takeshita
发明人： Hironori Nakahara , Toshiya Matozaki , Nobuo Takeshita
IPC分类号： G11B7/00 , G11B7/13 , G11B7/09 , G11B7/1353
CPC分类号： G11B7/1353 , G11B7/0901 , G11B2007/0013
摘要： An optical component, a hologram, and a photodetector are configured in an optical head device of an optical disc device such that a +1-order beam or a −1-order beam of diffracted light generated from light reflected from an information track in the intended information recording layer strikes the interior of the light-receiving surfaces of the tracking error detection light-receiving sections, a +1-order beam or a −1-order beam of diffracted light generated from light reflected from an information track in an information recording layer one layer deeper than the intended information recording layer strikes outside the light-receiving sections, and a +1-order beam or a −1-order beam of diffracted light that is generated from light reflected from an information track in an information recording layer one layer shallower than the intended information recording layer strikes outside the light-receiving sections.
摘要翻译：光学元件，全息图和光电检测器被配置在光盘装置的光学头装置中，使得从在光盘装置中的信息轨道反射的光产生的+ 1级光束或-1级衍射光束目标信息记录层撞击跟踪误差检测光接收部分的光接收表面的内部，从信息中的信息轨迹反射的光产生的+ 1级光束或-1级衍射光束比预期的信息记录层更深一层的记录层撞击光接收部分外部，以及从信息记录中从信息轨道反射的光产生的+1级光束或-1级衍射光束比预期的信息记录层浅的层1撞击光接收部分。

10. 发明授权

US08630159B2 Optical disc and optical disc device 有权
标题翻译：光盘和光盘设备
公开(公告)号：US08630159B2
公开(公告)日：2014-01-14
申请号：US13551113
申请日：2012-07-17
申请人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
发明人： Hironori Nakahara , Nobuo Takeshita , Masaharu Ogawa
IPC分类号： G11B7/24
CPC分类号： G11B7/00736 , G11B7/0901 , G11B7/24038 , G11B2007/0013
摘要： In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer is not recorded in the other information layers, every time the information layer being accessed changes, it has been necessary to read the type of the information layer and select a method of generating a tracking error signal adapted to the type of information layer, so access has taken time. In order to solve the above problem, in the optical multilayer disc according to the present invention, having information layers conforming to a plurality of different optical disc standards, in an area in one of the information layers, information about the other information layers is recorded. The time required to access the other information layers can be reduced by using this information to select a tracking error signal generating method.
摘要翻译：在具有符合多个不同光盘标准的信息层的多层光盘中，由于每个信息层的类型没有被记录在其他信息层中，所以每次被访问的信息层都改变时，必须读取类型的信息层，并选择一种生成符合信息层类型的跟踪误差信号的方法，因此访问需要时间。为了解决上述问题，在根据本发明的具有符合多个不同光盘标准的信息层的光学多层盘中，在信息层之一中的区域中记录关于其他信息层的信息。可以通过使用该信息来选择跟踪误差信号生成方法来减少访问其他信息层所需的时间。

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