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11.发明专利
公开(公告)号：JP2003223736A
公开(公告)日：2003-08-08
申请号：JP2002223989
申请日：2002-07-31
Applicant: SONY CORP
Inventor： FUKAZAWA YOSHIO , SUZUKI JUNICHI , TOYODA KIYOSHI , TANAKA TORU , KUBO TAKESHI , SAITO MASAHIRO , ISHII SATOSHI
Abstract: PROBLEM TO BE SOLVED: To improve productivity, reduce production cost, and improve reliabil ity of a focusing error signal. SOLUTION: An optical pickup device is provided with a 1st diffraction grating 45 for dividing an output light beam emitted from the light reception/ emission integral type element 31 into a zero order light beam and ± 1st order light beams, a 2nd diffraction grating 46 for diffracting the optical path of a returned light beam from an optical disk 2, and a 3rd diffraction grating 47 for diffracting a + 1st order light beam diffracted by the 2nd diffraction grating 46 by being disposed at the location where the 1st order light beam is entered to correct variations in an optical path, wherein the light reception/ emission integral type element 31 is disposed at the location where the - 1st order light beam diffracted by the 3rd diffraction grating 47 is entered and receives the - 1st order light beam to generate a focusing error signal FE and also receives the returned light beams from the optical disk 2 of ± 1st order light beams divided by the 1st diffraction grating 45 to generate a tracking error signal. COPYRIGHT: (C)2003,JPO
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公开(公告)号：JP2008084490A
公开(公告)日：2008-04-10
申请号：JP2006265824
申请日：2006-09-28
Inventor： SAITO MASAHIRO
CPC classification number: G11B7/1374 , G11B7/13927 , G11B2007/13727
Abstract: PROBLEM TO BE SOLVED: To provide an objective lens expanding tolerance of inter-plane eccentricity and improving its yield, and to provide an optical pickup and an optical disk device using the same. SOLUTION: The optical pickup device includes an objective lens 7 having a numerical aperture of 0.82 or more with both surfaces of the objective lens formed in aspheric shapes, and focusing an optical beam onto an optical recording medium, and records and/or reproduces an information signal for the optical recording medium by tilting an optical axis of the objective lens 7 to correct aberration due to the inter-plane eccentricity included in the both surfaces 7a, 7b of the objective lens, wherein astigmatism, spherical aberration, and higher-order coma aberration are each ≤20 mλrms when tilting the optical axis of the objective lens 7 so that third-order coma aberration generated due to the inter-plane eccentricity is substantially zero. COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 要解决的问题：提供平面偏心率的物镜扩大公差并提高其产量，并提供使用其的光学拾取器和光盘装置。 解决方案：光拾取装置包括具有0.82以上的数值孔径的物镜7，物镜的两个表面以非球面形状形成，并将光束聚焦到光记录介质上，并记录和/或 通过倾斜物镜7的光轴来再现用于光学记录介质的信息信号，以校正由于包括在物镜的两个表面7a，7b中的平面偏心引起的像差，其中散光，球面像差和更高 当倾斜物镜7的光轴时，由于平面内偏心产生的三阶彗形像差基本上为零，所以每个彗差都为≤20mλrms。 版权所有（C）2008，JPO＆INPIT
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13.发明专利
公开(公告)号：JP2007287210A
公开(公告)日：2007-11-01
申请号：JP2006111217
申请日：2006-04-13
Inventor： SAITO MASAHIRO
Abstract: PROBLEM TO BE SOLVED: To perform detection of a tracking error with sufficient precision by making diffracted light intensity ratio properly and raising the use efficiency of a laser in an optical pickup using optical beams of a plurality of kinds of different wavelengths. SOLUTION: A diffractive optical element 4 which is prepared in the optical pickup which condenses an optical beam of a first wavelength and an optical beam of a second wavelength which is longer than the first wavelength to an optical disk 8 with an objective lens 7, and detects a return optical beam reflected with an optical disk by a photo detector 10A, divides the optical beam of the first and the second wavelengths. The diffractive optical element 4 has; a first diffraction region which includes an optical axis and in which a first grid structure comprising periodical irregularities is formed; and a second diffraction region which is prepared outside the first diffraction region and in which a second grid structure comprising periodical irregularities of a different shape from the first grid structure is formed. The diffraction efficiency of primary diffracted light of optical beam of the above first wavelength in the above second diffraction region is made higher than the diffraction efficiency of the primary diffracted light of optical beam of the above first wavelength in the above first diffraction region. COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 要解决的问题：通过使衍射光强度比适当地提高利用多种不同波长的光束的光学拾取器中的激光的使用效率，以足够的精度来进行跟踪误差的检测。 解决方案：在光学拾取器中制备的衍射光学元件4，其将具有第一波长的光束和长于第一波长的光束与具有物镜的光盘8冷凝 如图7所示，通过光检测器10A检测由光盘反射的返回光束，分割第一和第二波长的光束。 衍射光学元件4具有： 包括光轴的第一衍射区域，其中形成包括周期性凹凸的第一格栅结构; 以及第二衍射区域，其被制备在第一衍射区域外部，并且其中形成包括与第一栅格结构不同形状的周期性不规则的第二栅格结构。 上述第一衍射区域中的上述第一波长的光束的主衍射光的衍射效率高于上述第一衍射区域中的上述第一波长的光束的主衍射光的衍射效率。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2005338379A
公开(公告)日：2005-12-08
申请号：JP2004156288
申请日：2004-05-26
Inventor： HAGINO NORIYUKI , WADA YOSHIHISA , KANAMORI TOSHITAKA , SAITO MASAHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a projector with which the restraint of overheat of a housing is achieved without increasing the size of an outside shape.
SOLUTION: The projector 1 includes: a light source unit 20 having a light source 16, and a bowl-shaped reflector 21 surrounding the light source 16 and concentrating light from the light source 16 towards an optical unit 5; a light source cover 6 made of a metallic material, which surrounds the light source unit 20 so as not to interfere with the guide of light from the light source unit 20 to the optical unit 5; a ventilating space provided in contact with the surface of the light source cover 6; and fans 25a and 25b for creating a current of air within the ventilating space.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供一种在不增加外部尺寸的情况下实现壳体过热约束的投影仪。 解决方案：投影仪1包括：具有光源16的光源单元20和围绕光源16并将来自光源16的光聚焦到光学单元5的碗形反射器21; 由金属材料制成的光源盖6，其围绕光源单元20，以便不干扰从光源单元20到光学单元5的光的引导; 设置成与光源盖6的表面接触的通风空间; 以及用于在通风空间内产生空气流的风扇25a和25b。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2013235188A
公开(公告)日：2013-11-21
申请号：JP2012108651
申请日：2012-05-10
Inventor： MABE YUJI , SAITO MASAHIRO
CPC classification number: H04N5/66 , G03B21/16 , H04N9/3144
Abstract: PROBLEM TO BE SOLVED: To eliminate efficiently oil mist and dust.SOLUTION: A video display device includes a video processing unit, a cooling fan, a filter, and a cooling duct. The video processing unit generates and displays video signals. The cooling fan generates a current of cooling air to cool the video processing unit. The filter is disposed in the intake side of the cooling fan and removes dust. The cooling duct is a ventilation path for the current of cooling air, and a recessed bay-shaped portion is provided at a downstream position thereof by a projection formed at the outlet end of the ventilation path and a ventilation wall. The bay-shaped portion provided on the cooling duct captures oil mist, and dust not fully removed by the filter, which are moved aside to the ventilation wall by the current of cooling air generated by the cooling fan.
Abstract translation: 要解决的问题：有效地消除油雾和灰尘。解决方案：视频显示设备包括视频处理单元，冷却风扇，过滤器和冷却管道。 视频处理单元生成并显示视频信号。 冷却风扇产生冷却空气的电流以冷却视频处理单元。 过滤器设置在冷却风扇的进气侧，并除去灰尘。 冷却通道是用于冷却空气流的通气路径，并且在其下游位置处设置有凹陷的凸缘部，通过形成在通气路径的出口端处的突起和通风壁。 设置在冷却管道上的海湾部分捕获油雾，并且灰尘未被过滤器完全除去，该灰尘被冷却风扇产生的冷却空气的电流移动到通风壁上。
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Patent Agency Ranking
公开(公告)号：JP2013080130A
公开(公告)日：2013-05-02
申请号：JP2011220408
申请日：2011-10-04
Inventor： SAITO MASAHIRO , KABASAWA HIDETOSHI
Abstract: PROBLEM TO BE SOLVED: To provide an infrared optical system and an infrared imaging device, which has excellent optical characteristics in a far infrared ray region and can be achieved at low costs.SOLUTION: An infrared optical system comprises three lenses: a first lens 10, a second lens 11, and a third lens 12, which are arranged sequentially from the object side. The first lens 10 and the third lens 12 are spherical lenses made of an inorganic material and having positive power, the second lens 11 is a meniscus-shaped double-sided aspherical lens made of a resin material, and an aperture diaphragm 13 is provided between the first lens 10 and the third lens 12. A spherical lens is used for each of the first lens and the third lens made of an inorganic material, and an aspherical lens made of the resin material is used for the second lens, thus performing aberration correction while suppressing processing costs. Furthermore, the resin material facilitates thinning of the second lens and accordingly a high transmittance (to infrared light) is easily achieved.
Abstract translation: 要解决的问题：提供一种在远红外线区域具有优异的光学特性并且可以以低成本实现的红外光学系统和红外成像装置。 解决方案：红外光学系统包括从物体侧顺次布置的三个透镜：第一透镜10，第二透镜11和第三透镜12。 第一透镜10和第三透镜12是由无机材料制成并具有正光焦度的球面透镜，第二透镜11是由树脂材料制成的弯月形双面非球面透镜，并且孔径光阑13设置在 第一透镜10和第三透镜12.对于由无机材料制成的第一透镜和第三透镜中的每一个，使用球面透镜，并且将由树脂材料制成的非球面透镜用于第二透镜，从而进行像差 同时抑制处理成本。 此外，树脂材料有助于使第二透镜变薄，因此容易实现高透射率（对红外光）。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2013044800A
公开(公告)日：2013-03-04
申请号：JP2011180779
申请日：2011-08-22
Inventor： TAKAHASHI KAZUYUKI , SAITO MASAHIRO , YASUI TOSHIFUMI
CPC classification number: G02B5/1871 , G02B27/1033 , G02B27/141 , G02B27/48 , G03B21/2033 , G03B21/208 , H04N9/3161
Abstract: PROBLEM TO BE SOLVED: To provide an illumination device and a display device which achieve the compactness as well as improve the utilization efficiency of light while reducing the generation of interference patterns.SOLUTION: An illumination device includes: a light source section including a laser light source; an optical element disposed on an optical path of a laser light beam emitted from the laser light source, branching an optical path of an incident light beam incident thereon into a plurality of optical paths, and allowing branched light beams to be output therefrom; an optical member receiving the branched light beams that travel along the plurality of optical paths, and allowing illumination light to be output therefrom based on the branched light beams; and a driver section driving the optical element to allow phases of the branched light beams to be changed independently of one another.
Abstract translation: 要解决的问题：提供一种能够实现小型化的照明装置和显示装置，并且能够在减少干涉图案的产生的同时提高光的利用效率。 解决方案：照明装置包括：包括激光源的光源部; 设置在从激光光源发射的激光束的光路上的光学元件，将入射到其上的入射光束的光路分支成多个光路，并且允许从其输出分支光束; 接收沿着所述多个光路行进的分支光束的光学部件，并且能够基于所述分支光束从其输出照明光; 以及驱动光学元件以允许分支光束的相位彼此独立地改变的驱动器部分。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2012141522A
公开(公告)日：2012-07-26
申请号：JP2011000925
申请日：2011-01-06
Inventor： SAITO MASAHIRO , KABASAWA HIDETOSHI
CPC classification number: G02B13/14 , G02B1/04 , G02B1/041 , G02B9/12 , G02B9/34 , G02B27/4211 , C08L23/06
Abstract: PROBLEM TO BE SOLVED: To provide an infrared optical system which has excellent optical characteristics in a far-infrared region and can be provided at low cost, and an infrared imaging device.SOLUTION: An infrared optical system comprises, in order from an object side to an image side, a first optical element 10, a second optical element 11, a third optical element 13 and a fourth optical element 14. The fourth optical element has positive refractive power. A diaphragm 12 is provided between the second optical element and the third optical element. The first optical element and the fourth optical element are made of any of silicon (Si), chalcogenide glass and zinc sulfide (ZnS). The second optical element and the third optical element are made of a resin material, and are configured so that at least one of a surface at the object side and a surface at the image side is aspherical.
Abstract translation: 解决的问题：提供一种在远红外区域具有优异的光学特性并且可以以低成本提供的红外光学系统和红外成像装置。 解决方案：红外光学系统从物体侧到像侧依次包括第一光学元件10，第二光学元件11，第三光学元件13和第四光学元件14.第四光学元件 具有正屈光力。 在第二光学元件和第三光学元件之间设置有隔膜12。 第一光学元件和第四光学元件由硅（Si），硫族化物玻璃和硫化锌（ZnS）中的任一种制成。 第二光学元件和第三光学元件由树脂材料制成，并且被构造成使得物体侧的表面和像侧的表面中的至少一个是非球面的。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2012122785A
公开(公告)日：2012-06-28
申请号：JP2010272154
申请日：2010-12-07
Inventor： WAKABAYASHI MINORU , KABASAWA HIDETOSHI , SAITO MASAHIRO
CPC classification number: G01J5/34 , G01J5/024 , G01J5/08 , G01J5/0831
Abstract: PROBLEM TO BE SOLVED: To provide a simply structured highly sensitive infrared ray detecting element involving no complexity in the manufacturing process.SOLUTION: An upper electrode of an infrared ray detecting element is provided with open functional parts in which the thickness of the upper electrode is made thinner or even reduced to zero; as the transmissivity of infrared rays becomes greater in such open functional parts, the quantity of infrared rays transmitted toward a pyroelectric element can be correspondingly increased; namely, as a result, the sensitivity of detecting infrared rays can be enhanced; the open functional parts are formed merely by making the upper electrode thinner or reducing the thickness thereof even to zero and, therefore, the infrared ray detecting element manufacturing process can be prevented from becoming more complex in achieving this enhanced sensitivity.
Abstract translation: 要解决的问题：提供在制造过程中不复杂的简单结构的高灵敏度红外线检测元件。 解决方案：红外线检测元件的上电极设置有使上电极的厚度更薄或甚至还原为零的开放功能部件; 随着这种开放的功能部件的红外线的透射率变大，向热电元件传递的红外线的量可以相应地增加; 即，能够提高检测红外线的灵敏度， 开放的功能部件仅通过使上部电极变薄或将其厚度减小到零而形成，因此，可以防止红外线检测元件制造工艺在实现这种增强的灵敏度方面变得更加复杂。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2011170270A
公开(公告)日：2011-09-01
申请号：JP2010036306
申请日：2010-02-22
Inventor： SAITO MASAHIRO , TAKAI KAZUHIRO
Abstract: PROBLEM TO BE SOLVED: To solve the problem that, in a conventional projector device, efficiency of shaking dust off is lowered because vibration generated by driving a movable part is hardly transmitted to a filter, thereby efficiency of transmitting the vibration is lowered. SOLUTION: The projector device projects an image to a projection surface by illuminating an image forming element with light from a light source. The projector device includes: a device housing 2 in which the light source and the image forming element are housed, and which has an air intake window 15 for taking air in; and a filter device 4 which is disposed inside the air intake window 15 at the inner part of the device housing 2 and captures dust from the air. The filter device 4 has: a filter member 17 which absorbs the dust 14 in the air; a frame member 18 to which the filter member is attached; and a vibrator 19 which vibrates the frame member to vibrate the filter member 17, thereby shaking off the absorbed dust 14. The vibrator 19 is fixed and provided at an almost center part of the frame member 18. COPYRIGHT: (C)2011,JPO&INPIT
Abstract translation: 解决的问题为了解决在现有的投影仪装置中，由于通过驱动可动部产生的振动几乎不传递到过滤器而产生的振动粉尘的效率降低的问题，因此传递振动的效率降低 。 解决方案：投影仪设备通过用来自光源的光照射成像元件将图像投射到投影表面。 投影仪装置包括：容纳光源和图像形成元件的装置壳体2，具有用于吸入空气的进气窗15; 以及过滤装置4，其在装置壳体2的内部设置在进气窗15的内部并捕获来自空气的灰尘。 过滤装置4具有：吸收空气中的灰尘14的过滤器构件17; 安装过滤器构件的框架构件18; 以及振动器19，其振动框架构件以使过滤构件17振动，从而摇动吸收的灰尘14.振动器19固定并设置在框架构件18的几乎中心部分。（C） 2011年，JPO＆INPIT
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