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31. 发明申请

US20110242950A1 COMPOSITE OBJECTIVE LENS, DIFFRACTION ELEMENT, OPTICAL HEAD DEVICE, OPTICAL INFORMATION DEVICE, OBJECTIVE LENS DRIVING METHOD AND CONTROL DEVICE 有权
标题翻译：复合目标镜头，衍射元件，光学头装置，光学信息装置，目标镜头驱动方法和控制装置
公开(公告)号：US20110242950A1
公开(公告)日：2011-10-06
申请号：US12671634
申请日：2008-08-01
申请人： Yoshiaki Komma , Toshiyasu Tanaka , Fumitomo Yamasaki
发明人： Yoshiaki Komma , Toshiyasu Tanaka , Fumitomo Yamasaki
IPC分类号： G11B7/095 , G02B5/18 , G11B7/125 , G11B7/007
CPC分类号： G11B7/1374 , G11B7/1353 , G11B7/13922 , G11B2007/0006
摘要： In an optical head device which performs recording or reading of data in/from a high-density optical disc using an objective lens with a large NA, a saw-tooth shape diffraction element is used for also performing recording or reading of data in/from a conventional optical disc, such as DVD, CD, or the like. A step difference that produces an optical path length for blue light which is equal to or longer than the wavelength of the blue light and optical path lengths for red and infrared light which are shorter than the wavelengths of the red and infrared light is utilized so as to exert an inverse action on the blue light to those exerted on the red and infrared light. The effect of increasing the working distances for CD and DVD enables multiple compatibility. The above optical element is integrally combined with the objective lens to perform a tracking servo following operation.
摘要翻译：在使用具有大NA的物镜进行/从高密度光盘的数据进行记录或读取的光头装置中，使用锯齿形衍射元件来进行数据的记录或读取常规的光盘，例如DVD，CD等。使用等于或长于蓝光的波长的蓝色光的路径长度和比红色和红外光的波长短的红色和红色光的光路长度的阶差，被利用为对蓝色光施加与红色和红色光上的那些相反的作用。增加CD和DVD的工作距离的效果可以实现多种兼容性。上述光学元件与物镜一体地组合以执行跟踪伺服跟随操作。

32. 发明授权

US08432782B2 Objective lens, optical head, optical disk apparatus, and information processing apparatus 有权
标题翻译：物镜，光头，光盘装置和信息处理装置
公开(公告)号：US08432782B2
公开(公告)日：2013-04-30
申请号：US13498270
申请日：2011-07-22
申请人： Fumitomo Yamasaki , Kazuhiro Minami , Yoshiaki Komma , Junichi Asada , Osamu Kajino , Noriaki Terahara , Toshiyasu Tanaka
发明人： Fumitomo Yamasaki , Kazuhiro Minami , Yoshiaki Komma , Junichi Asada , Osamu Kajino , Noriaki Terahara , Toshiyasu Tanaka
IPC分类号： G11B7/135 , G02B13/00
CPC分类号： G11B7/1374 , G02B5/1895 , G11B7/1353 , G11B7/1367 , G11B7/13922 , G11B2007/0006
摘要： An objective lens, an optical head, an optical disk apparatus and an information processing apparatus which can suppress deterioration of a focal spot caused by a drop in the diffraction efficiency. Inner and outer circumference areas converge a laser beam, out of laser beams having a wavelength λ1 which are diffracted by the inner and outer circumference areas, on a first information recording medium; the inner circumference area and a mid-circumference area converge a laser beam, out of the laser beams having a wavelength λ2 which are diffracted by the inner circumference area and the mid-circumference area, on a second information recording medium; and the diffraction efficiency of the laser beam having the wavelength λ2 is greater than the diffraction efficiency of the laser beam having the wavelength λ1.
摘要翻译：可以抑制由衍射效率下降引起的焦点劣化的物镜，光头，光盘装置和信息处理装置。内外圆周区域在第一信息记录介质上会聚具有由内周区域和外周区域衍射的波长λ1的激光束的激光束; 在第二信息记录介质上，将由内周区域和中周区域衍射的具有波长λ2的激光束中的内圆周区域和中间圆周区域会聚在一起; 并且具有波长λ2的激光束的衍射效率大于具有波长λ1的激光束的衍射效率。

33. 发明授权

US08797834B2 Objective lens, optical head, optical disk device, and information processing device 有权
标题翻译：物镜，光头，光盘装置及信息处理装置
公开(公告)号：US08797834B2
公开(公告)日：2014-08-05
申请号：US13699134
申请日：2011-05-31
申请人： Fumitomo Yamasaki , Hiroshi Shiroiwa , Yoshiaki Komma , Junichi Asada , Osamu Kajino , Noriaki Terahara , Toshiyasu Tanaka
发明人： Fumitomo Yamasaki , Hiroshi Shiroiwa , Yoshiaki Komma , Junichi Asada , Osamu Kajino , Noriaki Terahara , Toshiyasu Tanaka
IPC分类号： G11B7/135
CPC分类号： G11B7/1374 , G02B1/11 , G02B1/115 , G02B5/1814 , G02B27/0037 , G02B27/4294 , G11B7/1275 , G11B7/1353 , G11B7/1367 , G11B2007/0006
摘要： A disclosed objective lens includes: a lens having an entrance surface and an emission surface; and an anti-reflection coat formed on the emission surface, wherein a transmittance T1—0 [%] of the anti-reflection coat when an incident angle of a first laser beam having a first wavelength λ1 (390 nm≦λ1≦430 nm) is 0°, and the transmittance T1—40 [%] of the anti-reflection coat when the incident angle of the first laser beam is 40° satisfy 0.95≦T1—0/T1—40≦1.05, and a transmittance T2—0 [%] of the anti-reflection coat when an incident angle of a second laser beam having a second wavelength λ2 (630 nm≦λ2≦680 nm) is 0° and a transmittance T2—40 [%] of the anti-reflection coat when the incident angle of the second laser beam is 40° satisfy 0.85≦T2—0/T2—40≦0.97.
摘要翻译：所公开的物镜包括：具有入射表面和发射表面的透镜; 以及形成在发射表面上的防反射涂层，其中当具有第一波长λ1（390nm和nlE;λ1＆nlE; 430nm）的第一激光束的入射角时抗反射涂层的透射率T1-0 [％] 为0°，当第一激光束的入射角为40°时防反射涂层的透射率T1-40 [％]满足0.95＆nlE; T1-0 / T1-40＆nlE; 1.05，透射率T2- 当具有第二波长λ2（630nm＆nlE;λ2＆nlE; 680nm）的第二激光束的入射角为0°时的抗反射涂层的0 [％]和抗反射层的透射率T2-40 [％] 当第二激光束的入射角为40°时，涂层满足0.85＆nlE; T2-0 / T2-40＆nlE; 0.97。

34. 发明授权

US08068402B2 Optical head, optical disc device, computer, optical disc player and optical disc recorder 失效
标题翻译：光头，光盘装置，计算机，光盘播放器和光盘录像机
公开(公告)号：US08068402B2
公开(公告)日：2011-11-29
申请号：US12598967
申请日：2008-04-28
申请人： Fumitomo Yamasaki , Yoshiaki Komma , Toshiyasu Tanaka , Yohichi Saitoh
发明人： Fumitomo Yamasaki , Yoshiaki Komma , Toshiyasu Tanaka , Yohichi Saitoh
IPC分类号： G11B7/00
CPC分类号： G11B7/1353 , G11B7/1378 , G11B2007/0013
摘要： An optical head is provided with a light source for outputting laser light having a wavelength of 430 nm or less; an objective lens for collecting the laser light outputted from the light source to an optical disc having a plurality of information recording surfaces; a light receiving element for receiving laser light reflected on the optical disc; and a detecting lens for guiding the laser light reflected on the optical disc to the light receiving element. The detecting lens is formed of a resin material. The detecting lens is arranged so that a light collecting position of the laser light reflected on an information recording surface different from an information recording surface having a thinnest protection substrate, among the information recording surfaces, is outside the detecting lens, at the time of recording or reproducing information on or from the information recording surface having the thinnest protection substrate.
摘要翻译：光头设置有用于输出波长为430nm以下的激光的光源; 用于将从光源输出的激光光收集到具有多个信息记录表面的光盘的物镜; 用于接收在光盘上反射的激光的光接收元件; 以及用于将在光盘上反射的激光导向光接收元件的检测透镜。检测透镜由树脂材料形成。检测透镜被布置成使得在信息记录表面中不同于具有最薄保护基板的信息记录表面的信息记录表面上的激光的聚光位置在记录时在检测透镜之外或在具有最薄保护衬底的信息记录表面上或从信息记录表面再现信息。

35. 发明申请

US20100142358A1 OPTICAL HEAD, OPTICAL DISC DEVICE, COMPUTER, OPTICAL DISC PLAYER AND OPTICAL DISC RECORDER 失效
标题翻译：光学头，光盘设备，计算机，光盘播放器和光盘录像机
公开(公告)号：US20100142358A1
公开(公告)日：2010-06-10
申请号：US12598967
申请日：2008-04-28
申请人： Fumitomo Yamasaki , Yoshiaki Komma , Toshiyasu Tanaka , Yohichi Saitoh
发明人： Fumitomo Yamasaki , Yoshiaki Komma , Toshiyasu Tanaka , Yohichi Saitoh
IPC分类号： G11B7/135
CPC分类号： G11B7/1353 , G11B7/1378 , G11B2007/0013
摘要： An optical head (31) is provided with a light source (1) for outputting laser light having a wavelength of 430 nm or less; an objective lens (7) for collecting the laser light outputted from the light source (1) to an optical disc (60) having a plurality of information recording surfaces; a light receiving element (10) for receiving laser light reflected on the optical disc (60); and a detecting lens (8) for guiding the laser light reflected on the optical disc (60) to the light receiving element (10). The detecting lens (8) is formed of a resin material. The detecting lens (8) is arranged so that a light collecting position of the laser light reflected on an information recording surface different from an information recording surface having a thinnest protection substrate, among the information recording surfaces, is outside the detecting lens (8), at the time of recording or reproducing information on or from the information recording surface having the thinnest protection substrate.
摘要翻译：光头（31）设置有用于输出波长为430nm以下的激光的光源（1）用于将从所述光源（1）输出的激光光线收集到具有多个信息记录面的光盘（60）的物镜（7）用于接收在所述光盘（60）上反射的激光的光接收元件（10）。以及用于将在光盘（60）上反射的激光引导到光接收元件（10）的检测透镜（8）。检测透镜（8）由树脂材料形成。检测透镜（8）被布置成使得在信息记录表面之中反射在信息记录表面上的与具有最薄保护衬底的信息记录表面不同的激光的聚光位置在检测透镜（8）的外部，在具有最薄保护基板的信息记录表面上记录或再现信息时。

36. 发明申请

US20090034402A1 Optical Head Device, Optical Information Device, Optical Disc Player, Car Navigation System, Optical Disc Recorder, and Optical Disc Server 审中-公开
标题翻译：光头设备，光信息设备，光盘播放器，汽车导航系统，光盘记录器和光盘服务器
公开(公告)号：US20090034402A1
公开(公告)日：2009-02-05
申请号：US12280699
申请日：2007-02-27
申请人： Kanji Wakabayashi , Yoshiaki Komma , Kousei Sano , Hidenori Wada , Keiichi Matsuzaki , Toshiyasu Tanaka
发明人： Kanji Wakabayashi , Yoshiaki Komma , Kousei Sano , Hidenori Wada , Keiichi Matsuzaki , Toshiyasu Tanaka
IPC分类号： G11B7/00
CPC分类号： G11B7/1362 , G11B7/08582 , G11B7/0933 , G11B7/0935 , G11B7/1365 , G11B7/1374 , G11B7/1392 , G11B2007/0006
摘要： In an optical head device including a light source for emitting a light of a predetermined wavelength; a collimator lens for converting a divergence degree of the light; a folding mirror for folding a direction of the light emitted from the light source; an objective lens for converging the light on a recording surface of an optical disc; a photodetector for receiving the light reflected at the recording surface of the optical disc, and converting to an electric signal; and an optical path adjustment unit for guiding the light emitted from the light source to the collimator lens and guiding the light reflected at the recording surface of the optical disc to the photodetector; a wavelength plate for polarizing the light reflected by the folding mirror is arranged on an actuator base between the folding mirror and the objective lens.
摘要翻译：一种光头装置，包括用于发射预定波长的光的光源; 用于转换光的发散度的准直透镜; 用于折叠从光源发射的光的方向的折叠镜; 用于将光会聚在光盘的记录表面上的物镜; 用于接收在光盘的记录表面处反射的光并转换成电信号的光电检测器; 以及光路调整单元，用于将从光源发射的光引导到准直透镜，并将在光盘的记录表面处反射的光引导到光电检测器; 用于使由折叠反射镜反射的光偏振的波长板布置在折叠反射镜和物镜之间的致动器基座上。

37. 发明申请

US20110122745A1 OBJECTIVE LENS UNIT, OPTICAL PICKUP, AND OPTICAL INFORMATION APPARATUS 有权
标题翻译：目标镜头单元，光学拾取和光学信息设备
公开(公告)号：US20110122745A1
公开(公告)日：2011-05-26
申请号：US13014045
申请日：2011-01-26
申请人： Yoshiaki KOMMA , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
发明人： Yoshiaki KOMMA , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
IPC分类号： G11B7/09
CPC分类号： G11B7/1374 , G11B2007/0006
摘要： An objective lens unit according to the present invention includes a first objective lens 41; and a first lens holder 2 for supporting the first objective lens 41. The first lens holder 2 is formed of a material which transmits ultraviolet. Preferably, the first lens holder 2 includes a through-hole, having first and second openings 2a and 2b, through which light incident on the first objective lens 41 passes, and an opening limiting section 3 provided along a circumferential direction of the through-hole and projecting toward a central axis of the through-hole. The first objective lens 41 is supported so as to block the first opening 2b. The opening limiting section 3 guides light incident thereon from the second opening 2a in a direction away from an optical axis of the first objective lens.
摘要翻译：根据本发明的物镜单元包括第一物镜41; 以及用于支撑第一物镜41的第一透镜保持器2.第一透镜保持器2由透射紫外线的材料形成。优选地，第一透镜保持件2包括通孔，具有入射在第一物镜41上的光通过的第一和第二开口2a和2b以及沿着通孔的周向设置的开口限制部3 并朝向通孔的中心轴突出。第一物镜41被支撑以阻挡第一开口2b。开口限制部3在远离第一物镜的光轴的方向上引导从第二开口2a入射的光。

38. 发明申请

US20090147659A1 OBJECTIVE LENS UNIT, OPTICAL PICKUP, AND OPTICAL INFORMATION DEVICE 有权
标题翻译：目标镜头单元，光学拾取和光学信息设备
公开(公告)号：US20090147659A1
公开(公告)日：2009-06-11
申请号：US12064360
申请日：2006-08-24
申请人： Yoshiaki Komma , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
发明人： Yoshiaki Komma , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
IPC分类号： G11B7/00 , G02B7/02
CPC分类号： G11B7/1374 , G11B2007/0006
摘要： An objective lens unit according to the present invention includes a first objective lens 41; and a first lens holder 2 for supporting the first objective lens 41. The first lens holder 2 is formed of a material which transmits ultraviolet. Preferably, the first lens holder 2 includes a through-hole, having first and second openings 2a and 2b, through which light incident on the first objective lens 41 passes, and an opening limiting section 3 provided along a circumferential direction of the through-hole and projecting toward a central axis of the through-hole. The first objective lens 41 is supported so as to block the first opening 2b. The opening limiting section 3 guides light incident thereon from the second opening 2a in a direction away from an optical axis of the first objective lens.
摘要翻译：根据本发明的物镜单元包括第一物镜41; 以及用于支撑第一物镜41的第一透镜保持器2.第一透镜保持器2由透射紫外线的材料形成。优选地，第一透镜保持件2包括通孔，具有入射在第一物镜41上的光通过的第一和第二开口2a和2b以及沿着通孔的周向设置的开口限制部3 并朝向通孔的中心轴突出。第一物镜41被支撑以阻挡第一开口2b。开口限制部3在远离第一物镜的光轴的方向上引导从第二开口2a入射的光。

39. 发明授权

US08320227B2 Objective lens unit, optical pickup, and optical information apparatus 有权
标题翻译：物镜单元，光学拾取器和光学信息设备
公开(公告)号：US08320227B2
公开(公告)日：2012-11-27
申请号：US13014031
申请日：2011-01-26
申请人： Yoshiaki Komma , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
发明人： Yoshiaki Komma , Kanji Wakabayashi , Kousei Sano , Toshiyasu Tanaka , Keiichi Matsuzaki , Hidenori Wada
IPC分类号： G11B7/135
CPC分类号： G11B7/1374 , G11B2007/0006
摘要： An objective lens unit according to the present invention includes a first objective lens 41; and a first lens holder 2 for supporting the first objective lens 41. The first lens holder 2 is formed of a material which transmits ultraviolet. Preferably, the first lens holder 2 includes a through-hole, having first and second openings 2a and 2b, through which light incident on the first objective lens 41 passes, and an opening limiting section 3 provided along a circumferential direction of the through-hole and projecting toward a central axis of the through-hole. The first objective lens 41 is supported so as to block the first opening 2b. The opening limiting section 3 guides light incident thereon from the second opening 2a in a direction away from an optical axis of the first objective lens.
摘要翻译：根据本发明的物镜单元包括第一物镜41; 以及用于支撑第一物镜41的第一透镜保持器2.第一透镜保持器2由透射紫外线的材料形成。优选地，第一透镜保持件2包括通孔，具有入射在第一物镜41上的光通过的第一和第二开口2a和2b以及沿着通孔的周向设置的开口限制部3 并朝向通孔的中心轴突出。第一物镜41被支撑以阻挡第一开口2b。开口限制部3在远离第一物镜的光轴的方向上引导从第二开口2a入射的光。

40. 发明授权

US07640559B2 Objective lens actuator 有权
标题翻译：物镜执行器
公开(公告)号：US07640559B2
公开(公告)日：2009-12-29
申请号：US11643770
申请日：2006-12-22
申请人： Kanji Wakabayashi , Yoshiaki Komma , Kousei Sano , Hidenori Wada , Keiichi Matsuzaki , Toshiyasu Tanaka
发明人： Kanji Wakabayashi , Yoshiaki Komma , Kousei Sano , Hidenori Wada , Keiichi Matsuzaki , Toshiyasu Tanaka
IPC分类号： G11B7/00
CPC分类号： G11B7/121 , G11B2007/0006
摘要： An objective lens actuator is provided which includes two objective lenses mounted on a movable body, and which is capable of preventing the movable body from coming into contact or collision with a disk and whose thickness becomes thinner. When a light beam is concentrated and focused on a high-density optical disk, D1 represents the distance between the disk surface and the part of the movable body in the closest position to the disk; when a light beam is concentrated and focused on a CD, D2 represents the distance between the disk surface and the part of the movable body in the closest position to the disk; when a light beam is concentrated and focused on a DVD, D3 represents the distance between the disk surface and the part of the movable body in the closest position to the disk; and the following relational expression (1) is satisfied, D1
摘要翻译：提供一种物镜致动器，其包括安装在可移动体上的两个物镜，并且能够防止可移动体与盘接触或碰撞并且其厚度变薄。当光束集中并聚焦在高密度光盘上时，D1表示盘表面与可移动体的最靠近盘的位置之间的距离; 当光束集中并聚焦在CD上时，D2表示盘表面和可移动体的与光盘最靠近位置的部分之间的距离; 当光束集中并聚焦在DVD上时，D3表示在与盘最靠近的位置的盘表面和可移动体的部分之间的距离; 并满足以下关系式（1）D1

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