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1. 发明申请

US20100135436A1 SIGNAL PROCESSING SYSTEM AND INFORMATION STORAGE MEDIUM 有权
标题翻译：信号处理系统和信息存储介质
公开(公告)号：US20100135436A1
公开(公告)日：2010-06-03
申请号：US12626338
申请日：2009-11-25
申请人： Yuji NAGAI , Chosaku Noda , Kazuo Watabe , Akihito Ogawa , Kazuto Kuroda , Nobuhisa Yoshida , Nobumasa Naito , Naoki Morishita , Naomasa Nakamura , Hideaki Ohsawa , Hiroharu Sato , Hisashi Yamada , Toshihiko Kaneshige
发明人： Yuji NAGAI , Chosaku Noda , Kazuo Watabe , Akihito Ogawa , Kazuto Kuroda , Nobuhisa Yoshida , Nobumasa Naito , Naoki Morishita , Naomasa Nakamura , Hideaki Ohsawa , Hiroharu Sato , Hisashi Yamada , Toshihiko Kaneshige
IPC分类号： H04L27/04
CPC分类号： G11B20/14 , G11B20/0021 , G11B20/00579 , G11B20/00884 , G11B20/1426 , G11B2020/1457
摘要： According to one embodiment, a first encoder encodes main information, a second encoder encodes sub-information, a first modulator modulates a carrier based on an output of the first encoder, a duplicating module duplicates an output of the second encoder to generate encoded sub-information units, and a second modulator amplitude-modulates an output of the first modulator based on the encoded sub-information units. The second modulator amplitude-modulates with σ/(μ×(2N)1/2) being 0.4 or less, wherein a noise power of a transmission path or a storage medium is σ2, a number of the encoded sub-information units is N, signal levels after amplitude modulation, which correspond to bit 1 and bit 0 of the encoded sub-information units, are A and B, and a level difference A−B is μ.
摘要翻译：根据一个实施例，第一编码器对主信息进行编码，第二编码器对子信息进行编码，第一调制器基于第一编码器的输出调制载波，复制模块复制第二编码器的输出，信息单元和第二调制器基于编码的子信息单元对第一调制器的输出进行幅度调制。第二调制器以＆sgr; /（μ×（2N）1/2）振幅调制为0.4或更小，其中传输路径或存储介质的噪声功率为2，编码子信息的数量单位为N，对应于编码子信息单元的位1和位0的幅度调制后的信号电平为A和B，电平差A-B为μ。

2. 发明授权

US07949071B2 Signal processing system and information storage medium 有权
标题翻译：信号处理系统和信息存储介质
公开(公告)号：US07949071B2
公开(公告)日：2011-05-24
申请号：US12626338
申请日：2009-11-25
申请人： Yuji Nagai , Chosaku Noda , Kazuo Watabe , Akihito Ogawa , Kazuto Kuroda , Nobuhisa Yoshida , Nobumasa Naito , Naoki Morishita , Naomasa Nakamura , Hideaki Ohsawa , Hiroharu Sato , Hisashi Yamada , Toshihiko Kaneshige
发明人： Yuji Nagai , Chosaku Noda , Kazuo Watabe , Akihito Ogawa , Kazuto Kuroda , Nobuhisa Yoshida , Nobumasa Naito , Naoki Morishita , Naomasa Nakamura , Hideaki Ohsawa , Hiroharu Sato , Hisashi Yamada , Toshihiko Kaneshige
IPC分类号： H03C1/52 , G06K9/00
CPC分类号： G11B20/14 , G11B20/0021 , G11B20/00579 , G11B20/00884 , G11B20/1426 , G11B2020/1457
摘要： According to one embodiment, a first encoder encodes main information, a second encoder encodes sub-information, a first modulator modulates a carrier based on an output of the first encoder, a duplicating module duplicates an output of the second encoder to generate encoded sub-information units, and a second modulator amplitude-modulates an output of the first modulator based on the encoded sub-information units. The second modulator amplitude-modulates with σ/(μ×(2N)1/2) being 0.4 or less, wherein a noise power of a transmission path or a storage medium is σ2, a number of the encoded sub-information units is N, signal levels after amplitude modulation, which correspond to bit 1 and bit 0 of the encoded sub-information units, are A and B, and a level difference A−B is μ.
摘要翻译：根据一个实施例，第一编码器对主信息进行编码，第二编码器对子信息进行编码，第一调制器基于第一编码器的输出调制载波，复制模块复制第二编码器的输出，信息单元和第二调制器基于编码的子信息单元对第一调制器的输出进行幅度调制。第二调制器以＆sgr; /（μ×（2N）1/2）振幅调制为0.4或更小，其中传输路径或存储介质的噪声功率为2，编码子信息的数量单位为N，对应于编码子信息单元的位1和位0的幅度调制后的信号电平为A和B，电平差A-B为μ。

3. 发明申请

US20080304401A1 INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCING METHOD 审中-公开
标题翻译：信息记录介质，信息记录方法和信息再现方法
公开(公告)号：US20080304401A1
公开(公告)日：2008-12-11
申请号：US11969732
申请日：2008-01-04
申请人： Hideo Ando , Hisashi Yamada , Seiji Morita , Koji Takazawa , Naomasa Nakamura , Kazuo Watabe , Nobuaki Kaji , Masahiko Mawatari , Nobuhisa Yoshida , Koichi Nagai
发明人： Hideo Ando , Hisashi Yamada , Seiji Morita , Koji Takazawa , Naomasa Nakamura , Kazuo Watabe , Nobuaki Kaji , Masahiko Mawatari , Nobuhisa Yoshida , Koichi Nagai
IPC分类号： G11B3/70
CPC分类号： G11B7/24079 , G11B7/00736 , G11B7/00745 , G11B20/00086 , G11B20/0021 , G11B20/00224 , G11B20/00253 , G11B20/00449 , G11B20/00492 , G11B20/00869 , G11B2220/215 , G11B2220/2562
摘要： According to one embodiment, an optical information recording medium includes pre-grooves with an irregular shape and lands each of which is sandwiched between the pre-grooves adjacent to each other, where the pre-grooves and lands are defined on an interface between a recording layer and a light reflection layer in a recording film, where the recording film includes a light reflectivity that enables reproduction with light of 650±5 nm, the recording layer includes a recording sensitivity with respect to light by a wavelength shorter than 650±5 nm, and a recording mark can be formed on the pre-groove by using light with a wavelength shorter than 650±5 nm.
摘要翻译：根据一个实施例，光学信息记录介质包括具有不规则形状的预凹槽，每个凹槽被夹在彼此相邻的预凹槽之间，其中预凹槽和凹槽被界定在记录层和光反射层，其中记录膜包括能够以650±5nm的光再现的光反射率，记录层包括相对于光的记录灵敏度小于650±5nm的波长并且可以通过使用波长短于650±5nm的光，在预制槽上形成记录标记。

4. 发明申请

US20070058516A1 INFORMATION RECORDING MEDIUM AND OPTICAL DISC APPARATUS 审中-公开
标题翻译：信息记录媒体和光盘设备
公开(公告)号：US20070058516A1
公开(公告)日：2007-03-15
申请号：US11469608
申请日：2006-09-01
申请人： Kazuo Watabe , Yasuaki Ootera , Nobuhisa Yoshida , Naomasa Nakamura
发明人： Kazuo Watabe , Yasuaki Ootera , Nobuhisa Yoshida , Naomasa Nakamura
IPC分类号： G11B7/00 , G11B3/70
CPC分类号： G11B7/24038
摘要： An embodiment of the invention, an information recording medium has a first recording layer, a second recording layer which is provided with respect to the first recording layer through a first space layer with a first thickness, a third recording layer which is provided with respect to the second recording layer through a second space layer whose thickness is different from the first space layer and is set to a predetermined magnitude with respect to the thickness of the first space layer, a first substrate which supports the first recording layer, and a second substrate which supports the third recording layer, and it is possible to manufacture with high productivity an information recording medium having three or more recording layers hard to cause interlayer crosstalk.
摘要翻译：本发明的实施例中，信息记录介质具有第一记录层，通过具有第一厚度的第一空间层相对于第一记录层设置的第二记录层，相对于第一记录层设置的第三记录层所述第二记录层通过第二空间层，所述第二空间层的厚度与所述第一空间层不同，并且相对于所述第一空间层的厚度被设定为预定的大小;第一基板，其支撑所述第一记录层;以及第二基板其支持第三记录层，并且可以以高生产率制造具有三层或更多层难以引起层间串扰的记录层的信息记录介质。

5. 发明申请

US20060114807A1 Information storage medium, stamper, disc apparatus, and management information playback method 审中-公开
标题翻译：信息存储介质，压模，盘装置和管理信息重放方法
公开(公告)号：US20060114807A1
公开(公告)日：2006-06-01
申请号：US11288191
申请日：2005-11-29
申请人： Yasuaki Ootera , Koji Takazawa , Naoki Morishita , Seiji Morita , Naomasa Nakamura , Akihito Ogawa
发明人： Yasuaki Ootera , Koji Takazawa , Naoki Morishita , Seiji Morita , Naomasa Nakamura , Akihito Ogawa
IPC分类号： G11B7/24
CPC分类号： G11B7/00736 , G11B7/24079 , G11B7/263
摘要： According to this invention, a disc-like information storage medium has a concentric management information area and a concentric data area. The management information area includes a plurality of grooves aligned in a radial direction, a dye material applied to the plurality of grooves, and a plurality of bar-like patterns formed in a radial direction crossing the plurality of grooves and aligned in a circumferential direction. The data area includes a plurality of grooves aligned in the radial direction, and a dye material applied to the plurality of grooves. The plurality of bar-like patterns aligned in the circumferential direction include management information.
摘要翻译：根据本发明，盘状信息存储介质具有同心管理信息区域和同心数据区域。管理信息区域包括沿径向排列的多个槽，施加到多个槽的染料，以及沿着与多个槽交叉的径向方向形成的多个条状图案，并沿圆周方向排列。数据区域包括沿径向对准的多个凹槽和施加到多个凹槽的染料材料。沿圆周方向排列的多个棒状图案包括管理信息。

6. 发明申请

US20060114806A1 Information storage medium 审中-公开
标题翻译：信息存储介质
公开(公告)号：US20060114806A1
公开(公告)日：2006-06-01
申请号：US11288126
申请日：2005-11-29
申请人： Yasuaki Ootera , Koji Takazawa , Naoki Morishita , Seiji Morita , Naomasa Nakamura , Akihito Ogawa
发明人： Yasuaki Ootera , Koji Takazawa , Naoki Morishita , Seiji Morita , Naomasa Nakamura , Akihito Ogawa
IPC分类号： G11B7/24
CPC分类号： G11B27/24 , G11B7/00736 , G11B7/246 , G11B7/2467 , G11B7/2472 , G11B7/248 , G11B7/2495 , G11B7/2534 , G11B2007/24612 , G11B2220/2537
摘要： An information storage medium as an example of this invention includes a recording layer formed by a dye material having a predetermined sensitivity level or more to both a light beam having a first waveband and a light beam having a second waveband shorter than the first waveband. The recording layer includes a concentric management information area, and a concentric data area. The management information area includes a plurality of bar-like patterns formed by the light beam having the first waveband, and arranged in a circumferential direction. The plurality of bar-like patterns arranged in the circumferential direction form management information. The data area can record data by the light beam having the second waveband.
摘要翻译：作为本发明的实例的信息存储介质包括由具有预定的灵敏度级别以上的染料材料形成的记录层，具有第一波段的光束和具有比第一波段短的第二波段的光束。记录层包括同心管理信息区和同心数据区。管理信息区域包括由具有第一波段的光束形成并且沿圆周方向布置的多个条形图案。沿圆周方向布置的多个棒状图案形成管理信息。数据区可以通过具有第二波段的光束记录数据。

7. 发明申请

US20060114803A1 Information storage medium, stamper, disc apparatus, and management information playback method 审中-公开
标题翻译：信息存储介质，压模，盘装置和管理信息重放方法
公开(公告)号：US20060114803A1
公开(公告)日：2006-06-01
申请号：US11219916
申请日：2005-09-07
申请人： Yasuaki Ootera , Koji Takazawa , Naoki Morishita , Seiji Morita , Naomasa Nakamura , Akihito Ogawa
发明人： Yasuaki Ootera , Koji Takazawa , Naoki Morishita , Seiji Morita , Naomasa Nakamura , Akihito Ogawa
IPC分类号： G11B7/24
CPC分类号： G11B7/00736 , G11B7/0053 , G11B7/263
摘要： An information storage medium according to an embodiment of the invention includes a concentric management information area. The management information area has a plurality of bar-like patterns in a circumferential direction which include an aggregate of a plurality of grooves or marks aligned in a radial direction. The plurality of bar-like patterns aligned in the circumferential direction form management information.
摘要翻译：根据本发明的实施例的信息存储介质包括同心管理信息区域。管理信息区域在圆周方向上具有多个棒状图案，其包括沿径向排列的多个凹槽或标记的聚集体。沿圆周方向排列的多个棒状图案形成管理信息。

8. 发明授权

US07570566B2 Optical disc, optical disc manufacturing method, and optical disc apparatus 有权
标题翻译：光盘，光盘制造方法以及光盘装置
公开(公告)号：US07570566B2
公开(公告)日：2009-08-04
申请号：US11504580
申请日：2006-08-16
申请人： Toshihiro Sugaya , Masato Otsuka , Naomasa Nakamura , Nobuhisa Yoshida , Hisashi Yamada
发明人： Toshihiro Sugaya , Masato Otsuka , Naomasa Nakamura , Nobuhisa Yoshida , Hisashi Yamada
IPC分类号： G11B3/74
CPC分类号： G11B7/26 , G11B7/00736 , G11B7/24038 , G11B19/127 , G11B19/128 , G11B19/16 , G11B2007/0013
摘要： According to one embodiment, an optical disc is the following the distance between a light incidence plane and the first recording layer is a minimum of 550 μm. The distance between the first and the third recording layer is a maximum of 72 μm. The distance between the second and the third recording layer is a minimum of 15 μm. The distance between the first and the second recording layer is about 31 to 40 μm. The reflectivities of the first and the second recording layer with respect to the first laser beam range from 18 to 27%, and the ratio therebetween is about 1.1 or less. The reflectivity of the third recording layer is below about 6%. The areal recording density of the third recording layer is three times or more as high as that of the first recording layer and the second recording layer.
摘要翻译：根据一个实施例，光盘之后，光入射平面与第一记录层之间的距离最小为550μm。第一和第三记录层之间的距离最大为72μm。第二和第三记录层之间的距离最小为15μm。第一和第二记录层之间的距离约为31至40μm。第一记录层和第二记录层相对于第一激光束的反射率为18〜27％，其比例为约1.1以下。第三记录层的反射率低于约6％。第三记录层的面积记录密度是第一记录层和第二记录层的面积记录密度的三倍以上。

9. 发明申请

US20070042294A1 Optical disc, optical disc manufacturing method, and optical disc apparatus 有权
标题翻译：光盘，光盘制造方法以及光盘装置
公开(公告)号：US20070042294A1
公开(公告)日：2007-02-22
申请号：US11504580
申请日：2006-08-16
申请人： Toshihiro Sugaya , Masato Otsuka , Naomasa Nakamura , Nobuhisa Yoshida , Hisashi Yamada
发明人： Toshihiro Sugaya , Masato Otsuka , Naomasa Nakamura , Nobuhisa Yoshida , Hisashi Yamada
IPC分类号： G11B7/24 , G11B3/70 , G11B7/00
CPC分类号： G11B7/26 , G11B7/00736 , G11B7/24038 , G11B19/127 , G11B19/128 , G11B19/16 , G11B2007/0013
摘要： According to one embodiment, an optical disc is the following the distance between a light incidence plane and the first recording layer is a minimum of 550 μm. The distance between the first and the third recording layer is a maximum of 72 μm. The distance between the second and the third recording layer is a minimum of 15 μm. The distance between the first and the second recording layer is about 31 to 40 μm. The reflectivities of the first and the second recording layer with respect to the first laser beam range from 18 to 27%, and the ratio therebetween is about 1.1 or less. The reflectivity of the third recording layer is below about 6%. The areal recording density of the third recording layer is three times or more as high as that of the first recording layer and the second recording layer.
摘要翻译：根据一个实施例，光盘之后，光入射平面与第一记录层之间的距离最小为550μm。第一和第三记录层之间的距离最大为72μm。第二和第三记录层之间的距离最小为15μm。第一和第二记录层之间的距离约为31至40μm。第一记录层和第二记录层相对于第一激光束的反射率为18〜27％，其比例为约1.1以下。第三记录层的反射率低于约6％。第三记录层的面积记录密度是第一记录层和第二记录层的面积记录密度的三倍以上。

10. 发明授权

US07335459B2 Phase-change optical recording medium 失效
标题翻译：相变光记录介质
公开(公告)号：US07335459B2
公开(公告)日：2008-02-26
申请号：US10717963
申请日：2003-11-21
申请人： Sumio Ashida , Takayuki Tsukamoto , Keiichiro Yusu , Katsutaro Ichihara , Noritake Ohmachi , Naomasa Nakamura , Nobuhisa Yoshida
发明人： Sumio Ashida , Takayuki Tsukamoto , Keiichiro Yusu , Katsutaro Ichihara , Noritake Ohmachi , Naomasa Nakamura , Nobuhisa Yoshida
IPC分类号： G11B7/24
CPC分类号： G11B7/2578 , G11B7/24038 , G11B7/24065 , G11B7/243 , G11B2007/25706 , G11B2007/25715
摘要： A phase-change optical recording medium includes a phase-change optical recording film that permits reversible phase change between a crystalline phase and an amorphous phase upon irradiation with light, and an interface film formed of hafnium oxide, or a mixture of hafnium oxide and at least one oxide selected from the group consisting of cerium oxide, titanium oxide and zirconium oxide, and formed in contact with at least one surface of the phase-change optical recording film.
摘要翻译：相变型光记录介质包括：相变光学记录膜，其在照射光时允许结晶相和非晶相之间的可逆相变，以及由氧化铪或氧化铪的混合物形成的界面膜选自由氧化铈，氧化钛和氧化锆组成的组中的至少一种氧化物，并且与所述相变光学记录膜的至少一个表面接触形成。

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