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    Process for producing acicular goethite particles and acicular magnetic iron oxide particles
    1.
    发明授权
    Process for producing acicular goethite particles and acicular magnetic iron oxide particles 失效
    制备针状针铁矿颗粒和针状磁性氧化铁颗粒的方法

    公开(公告)号：US5480571A

    公开(公告)日：1996-01-02

    申请号：US309743

    申请日：1994-09-21

    申请人： Masaru Isoai ,  Tosiharu Harada ,  Tokihiro Kurata ,  Kazuhiro Fujita ,  Kazushi Takama ,  Shigekazu Jikuhara

    发明人： Masaru Isoai ,  Tosiharu Harada ,  Tokihiro Kurata ,  Kazuhiro Fujita ,  Kazushi Takama ,  Shigekazu Jikuhara

    IPC分类号： C01G49/06 ,  C01G49/08

    CPC分类号： B82Y30/00 ,  C01G49/06 ,  C01G49/08 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/42

    摘要： Disclosed herein are a process for producing acicular goethite particles comprising the step off: blowing an oxygen-containing gas into a ferrous salt reaction solution containing colloidal ferrous hydroxide or iron-containing colloidal precipitates which is obtained by reacting an aqueous ferrous salt solution with less than one equivalent of an aqueous alkali hydroxide solution, an aqueous alkali carbonate solution, or an aqueous alkali hydroxide and alkali carbonate solution based on Fe.sup.2+ in said aqueous ferrous salt solution, in the presence of ascorbic acid or a salt thereof so as to oxidize said colloidal ferrous hydroxide or iron-containing colloidal precipitates and to produce acicular goethite particles throught green rust; and a process for producing acicular magnetic iron oxide particles by reducing the acicular goethite particles obtained in the above process to produce acicular magnetite particles, and if necessary, oxidizing the acicular magnetite particles to obtain acicular maghemite particles, and if necessary, modifying the acicular magnetite or maghemite particles with Co or Co and Fe.sup.2+.

    摘要翻译： 本文公开了一种制备针状针铁矿颗粒的方法，包括以下步骤：将含氧气体吹入含有胶态氢氧化亚铁或含铁胶体沉淀物的亚铁盐反应溶液中，该溶液通过使亚铁盐水溶液与小于 一种碱金属氢氧化物水溶液，碱金属碳酸盐水溶液或碱金属氢氧化物和碱金属碳酸盐水溶液中，在所述含水亚铁盐水溶液中，在抗坏血酸或其盐的存在下，氧化所述胶体 含氢氧化铁或含铁胶体沉淀物，并通过绿锈生成针状针铁矿颗粒; 以及通过将上述方法中得到的针状针铁矿粒子还原而制造针状磁性氧化铁粒子的方法，制造针状磁铁矿粒子，根据需要，根据需要氧化针状磁铁矿粒子，得到针状磁赤铁矿粒子，根据需要，对针状磁铁矿 或具有Co或Co和Fe2 +的磁赤铁矿颗粒。

    Process for producing acicular geothite particles and acicular magnetic iron oxide particles
    2.
    发明授权
    Process for producing acicular geothite particles and acicular magnetic iron oxide particles 失效
    生产针状地质颗粒和针状磁性氧化铁颗粒的方法

    公开(公告)号：US5378380A

    公开(公告)日：1995-01-03

    申请号：US22847

    申请日：1993-02-25

    申请人： Masaru Isoai ,  Tosiharu Harada ,  Tokihiro Kurata ,  Kazuhiro Fujita ,  Kazushi Takama ,  Shigekazu Jikuhara

    发明人： Masaru Isoai ,  Tosiharu Harada ,  Tokihiro Kurata ,  Kazuhiro Fujita ,  Kazushi Takama ,  Shigekazu Jikuhara

    IPC分类号： C01G49/06 ,  C01G49/08

    CPC分类号： B82Y30/00 ,  C01G49/06 ,  C01G49/08 ,  C01P2004/03 ,  C01P2004/10 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/42

    摘要： Disclosed herein are a process for producing acicular goethite particles comprising the step of: blowing an oxygen-containing gas into a ferrous salt reaction solution containing colloidal ferrous hydroxide or iron-containing colloidal precipitates which is obtained by reacting an aqueous ferrous salt solution with less than one equivalent of an aqueous alkali hydroxide solution, an aqueous alkali carbonate solution, or an aqueous alkali hydroxide and alkali carbonate solution based on Fe.sup.2+ in said aqueous ferrous salt solution, in the presence of ascorbic acid or a salt thereof so as to oxidize said colloidal ferrous hydroxide or iron-containing colloidal precipitates and to produce acicular goethite particles throught green rust; and a process for producing acicular magnetic iron oxide particles by reducing the acicular goethite particles obtained in the above process to produce acicular magnetite particles, and if necessary, oxidizing the acicular magnetite particles to obtain acicular maghemite particles, and if necessary, modifying the acicular magnetite or maghemite particles with Co or Co and Fe.sup.2+.

    摘要翻译： 本文公开了一种制备针状针铁矿颗粒的方法，包括以下步骤：将含氧气体吹入含有胶态氢氧化亚铁或含铁胶体沉淀物的亚铁盐反应溶液中，该溶液通过使亚铁盐水溶液与小于 一种碱金属氢氧化物水溶液，碱金属碳酸盐水溶液或碱金属氢氧化物和碱金属碳酸盐水溶液中，在所述含水亚铁盐水溶液中，在抗坏血酸或其盐的存在下，氧化所述胶体 含氢氧化铁或含铁胶体沉淀物，并通过绿锈生成针状针铁矿颗粒; 以及通过将上述方法中得到的针状针铁矿粒子还原而制造针状磁性氧化铁粒子的方法，制造针状磁铁矿粒子，根据需要，根据需要氧化针状磁铁矿粒子，得到针状磁赤铁矿粒子，根据需要，对针状磁铁矿 或具有Co或Co和Fe2 +的磁赤铁矿颗粒。

    Acicular magnetic iron oxide particles
    5.
    发明授权
    Acicular magnetic iron oxide particles 失效
    针状磁性氧化铁颗粒

    公开(公告)号：US5294492A

    公开(公告)日：1994-03-15

    申请号：US722472

    申请日：1991-07-02

    申请人： Hiroshi Oka ,  Kazuaki Kouziro ,  Toshitada Shigemura ,  Tomohisa Moriya ,  Katsumi Yamashita ,  Kazushi Takama ,  Takanobu Uemoto ,  Kazuhiro Fujita

    发明人： Hiroshi Oka ,  Kazuaki Kouziro ,  Toshitada Shigemura ,  Tomohisa Moriya ,  Katsumi Yamashita ,  Kazushi Takama ,  Takanobu Uemoto ,  Kazuhiro Fujita

    IPC分类号： C01G49/00 ,  C09D5/23 ,  C09D7/12 ,  G11B5/706 ,  G11B5/712 ,  H01F1/11 ,  B32B15/02

    CPC分类号： G11B5/70673 ,  G11B5/712 ,  Y10T428/2991

    摘要： Disclosed herein is a process for producing acicular magnetic iron oxide particles comprising the steps of: mixing an aqueous dispersion of acicular magnetic iron oxide particles with an aqueous solution of a Co salt and an alkaline aqueous solution, or an aqueous solution of a Co salt, an aqueous solution of an Fe(II) salt and and an alkaline aqueous solution; and heat-treating the alkaline suspension solution obtained at 50.degree. to 100.degree. C.; wherein an Sr salt, a Ba salt or an Sr salt and a Ba salt is added to one selected from the group consisting of said aqueous dispersion of acicular magnetic iron oxide particles, said aqueous solution of a Co salt, said aqueous solution of an Fe(II) salt, said alkaline aqueous solution and said alkaline suspension solution before heat-treatment, and at least one selected from the group consisting of Si compound, Al compound, Zn compound and Mg compound is added to one selected from the group consisting of said aqueous dispersion of acicular magnetic iron oxide particles, said aqueous solution of a Co salt, said aqueous solution of an Fe(II) salt, said alkaline aqueous solution, said alkaline suspension solution before heat-treatment and said alkaline suspension solution during heat-treatment.

    摘要翻译： 本发明公开了一种制备针状磁性氧化铁颗粒的方法，包括以下步骤：将针状磁性氧化铁颗粒的水性分散体与Co盐和碱性水溶液的水溶液或Co盐的水溶液混合， Fe（II）盐和碱性水溶液的水溶液; 对在50〜100℃下得到的碱性悬浮液进行热处理。 其中将Sr盐，Ba盐或Sr盐和Ba盐加入到选自由针状磁性氧化铁颗粒的所述水分散体，所述Co盐水溶液，Fe （II）盐，所述碱性水溶液和所述碱性悬浮液在热处理前，将选自Si化合物，Al化合物，Zn化合物和Mg化合物中的至少一种添加到选自以下的一种中： 所述针状磁性氧化铁颗粒的水分散体，所述Co盐水溶液，所述Fe（II）盐水溶液，所述碱性水溶液，热处理前的所述碱性悬浮液和所述碱性悬浮液在热处理过程中， 治疗。

    Illumination light source system, projector having the same, and method of controlling projector
    8.
    发明授权
    Illumination light source system, projector having the same, and method of controlling projector 有权
    照明光源系统，具有相同的投影仪，以及控制投影仪的方法

    公开(公告)号：US09131165B2

    公开(公告)日：2015-09-08

    申请号：US14024991

    申请日：2013-09-12

    申请人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Toshiharu Murai ,  Ikuo Maeda ,  Takehiro Nishimori

    发明人： Tatsuya Takahashi ,  Kazuhiro Fujita ,  Toshiharu Murai ,  Ikuo Maeda ,  Takehiro Nishimori

    IPC分类号： G03B21/14 ,  H04N9/31 ,  F21V13/08 ,  G02B26/00 ,  G02B27/14 ,  G03B21/20 ,  G03B33/08

    CPC分类号： H04N9/3111 ,  F21V13/08 ,  G02B26/008 ,  G02B27/141 ,  G03B21/204 ,  G03B21/2053 ,  G03B33/08 ,  H04N9/3114 ,  H04N9/3117 ,  H04N9/3155 ,  H04N9/3161

    摘要： An illumination light source system includes an excitation light source; a reflection/transmission member having a transmission area which transmits excitation light from the excitation light source and a reflection area which reflects the excitation light, the transmission area and the reflection area sequentially crossing an emission light path of the excitation light source; a fluorescent member provided in at least one of a reflection light path of the excitation light reflected by the reflection area and a transmission light path of the excitation light transmitted through the transmission area, the fluorescent member being provided with a phosphor which generates a color different from that of the excitation light by excitation with the excitation light; and a controller which reduces a light volume of the excitation light source while a boundary area between the transmission area and the reflection area of the reflection/transmission member is located on the emission light path.

    摘要翻译： 照明光源系统包括激发光源; 反射/透射构件，其具有透射来自激发光源的激发光的透射区域和反射区域，该反射区域反射与激发光源的发射光路顺序交叉的激发光，透射区域和反射区域; 设置在由反射区域反射的激发光的反射光路和通过透射区域透射的激发光的透射光路中的至少一个中的荧光部件，荧光部件设置有产生不同颜色的荧光体 由激发光通过激发光激发; 以及控制器，其在透射区域和反射/透射构件的反射区域之间的边界区域位于发射光路上的同时减小激发光源的光量。

    ILLUMINATION LIGHT SOURCE DEVICE AND PROJECTOR PROVIDED WITH THE SAME, AND CONTROL METHOD OF THE PROJECTOR
    9.
    发明申请
    ILLUMINATION LIGHT SOURCE DEVICE AND PROJECTOR PROVIDED WITH THE SAME, AND CONTROL METHOD OF THE PROJECTOR 有权
    照明光源装置和投影仪及其投影机，以及投影机的控制方法

    公开(公告)号：US20140071182A1

    公开(公告)日：2014-03-13

    申请号：US14011937

    申请日：2013-08-28

    申请人： Tatsuya Takahashi ,  Kazuhiro Fujita

    发明人： Tatsuya Takahashi ,  Kazuhiro Fujita

    IPC分类号： G03B21/20 ,  F21V9/08

    CPC分类号： G03B21/204 ,  F21V9/08 ,  G02B27/10 ,  G03B21/2066 ,  G03B33/08

    摘要： An illumination light source device, comprising: a light path junction member which splits light emitted from a light source into a first light path emitting excitation light for phosphor and a second light path irradiating illumination light; a first diffuser disposed in the first light path; and a second diffuser disposed in the second light path, the second diffuser having a diffusion degree larger than that of the first diffuser.

    摘要翻译： 一种照明光源装置，包括：光路接合部件，其将从光源发射的光分解成发射用于荧光体的激发光的第一光路和照射照明光的第二光路; 设置在第一光路中的第一扩散器; 以及设置在所述第二光路中的第二漫射器，所述第二漫射器具有比所述第一扩散器大的扩散度。

    PROJECTION OPTICAL SYSTEM AND IMAGE PROJECTING APPARATUS
    10.
    发明申请
    PROJECTION OPTICAL SYSTEM AND IMAGE PROJECTING APPARATUS 有权
    投影光学系统和图像投影设备

    公开(公告)号：US20130070333A1

    公开(公告)日：2013-03-21

    申请号：US13595026

    申请日：2012-08-27

    申请人： Tatsuya TAKAHASHI ,  Kazuhiro Fujita ,  Issei Abe

    发明人： Tatsuya TAKAHASHI ,  Kazuhiro Fujita ,  Issei Abe

    IPC分类号： G02B17/08 ,  G02B3/00

    CPC分类号： G02B17/0852 ,  G02B17/08

    摘要： Disclosed is a projection optical system including a first optical system configured to form a first image conjugate to an object and have an optical axis and a second optical system configured to project a second image conjugate to the first image onto a surface to be projected on, wherein the first image satisfies a condition of: Im×Tr≦1.70 wherein Im denotes a length of the first image in a direction of an optical axis of the first optical system, normalized by a focal length of the first optical system, and Tr denotes a throw ratio for the projection optical system.

    摘要翻译： 公开了一种投影光学系统，包括：第一光学系统，被配置为与对象形成第一图像共轭并具有光轴;以及第二光学系统，被配置为将第二图像共轭物投影到要投影的表面上， 其中所述第一图像满足以下条件：Im×Tr＆nlE; 1.70其中Im表示第一光学系统的光轴方向上的第一图像的长度，由第一光学系统的焦距归一化，Tr表示 投影光学系统的投掷比。