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    • 51. 发明申请
    • Projection display
    • 投影显示
    • US20060103592A1
    • 2006-05-18
    • US10515244
    • 2003-04-16
    • Takaaki TanakaAtsushi HatakeyamaShigekaza Yamagishi
    • Takaaki TanakaAtsushi HatakeyamaShigekaza Yamagishi
    • G09G1/14
    • H04N9/3152G02B27/283H04N5/7441H04N9/3167
    • The present invention provides an inexpensive projection display that allows a pixel grid as ineffective portions of respective pixels of a light valve to be made inconspicuous. The projection display includes a birefringent element (43) for spatially separating light from a transmission liquid crystal light valve (39). The birefringent element (43) includes a first birefringent plate (40) that the light from the liquid crystal light valve (39) enters, a second birefringent plate (41) that light from the first birefringent plate (40) enters, and a third birefringent plate (42) that light from the second birefringent plate (41) enters. A polarization direction of the light entering the first birefringent plate (40) forms an angle of n×45° (n is an integer other than 0) with an optic axis of the first birefringent plate (40) projected on an incident surface of the first birefringent plate (40). An optic axis of the second birefringent plate (41) projected on an incident surface of the second birefringent plate (41) is orthogonal to the optic axis of the first birefringent plate (40) projected on the incident surface of the first birefringent plate (40). An optic axis of the third birefringent plate (42) projected on an incident surface of the third birefringent plate (42) extends horizontally or vertically.
    • 本发明提供了一种廉价的投影显示器,其允许将像素网格作为光阀的各个像素的无效部分不显眼。 投影显示器包括用于从透射液晶光阀(39)空间分离光的双折射元件(43)。 双折射元件(43)包括来自液晶光阀(39)的光入射的第一双折射板(40),来自第一双折射板(40)的光进入的第二双折射板(41)和第三双折射元件 来自第二双折射板(41)的光进入的双折射板(42)。 进入第一双折射板(40)的光的偏振方向与第一双折射板(40)的光轴投射在第一双折射率的入射表面上形成n×45°(n为0以外的整数)的角度 板(40)。 投影在第二双折射板(41)的入射面上的第二双折射板(41)的光轴与投射在第一双折射板(40)的入射面上的第一双折射板(40)的光轴正交 )。 投影在第三双折射板(42)的入射面上的第三双折射板(42)的光轴水平或垂直地延伸。
    • 53. 发明申请
    • Illuminator and projection image display employing it
    • 照明器和投影图像显示器采用它
    • US20050146891A1
    • 2005-07-07
    • US10514006
    • 2003-10-08
    • Atsushi Hatakeyama
    • Atsushi Hatakeyama
    • G02B13/00G02B27/00G02B27/09H04N5/74G02B6/00
    • G02B27/0994G02B13/0095G02B27/0905G03B21/2013G03B21/208H04N5/74H04N5/7416
    • An illuminator comprising two light source sections (101, 102), a rod integrator (1), and a relay lens system (4) for introducing a light flux emitted from the rod integrator (1), wherein the rod integrator (1) is a columnar optical element having an incident end face (130F) and an exit end face (130B). One pair of opposite side faces out of four side faces are formed so that the planes face each other in parallel while the other pair of opposite side faces form a taper face where the planes face each other while inclining at a specified angle such that the opposite side faces recede from the incident end face (130F) toward the exit end face (130B). Lights from the two light source sections (101, 102) are converged to the vicinity of the incident end face (130F) of the rod integrator (1).
    • 一种照明器,包括两个光源部分(101,102),一个杆状积分器(1)和用于引入从该积分器(1)发出的光束的中继透镜系统(4),其中该棒状积分器 具有入射端面(130F)和出射端面(130B)的柱状光学元件。 形成四个侧面中的一对相对侧面,使得这些平面彼此平行地面对,而另一对相对的侧面形成锥面,其中平面彼此面对,同时以特定角度倾斜,使得相反 侧面从入射端面(130F)朝向出射端面(130B)后退。 来自两个光源部分(101,102)的光会聚到杆状积分器(1)的入射端面(130F)附近。
    • 54. 发明授权
    • Projection image display
    • 投影图像显示
    • US06666558B1
    • 2003-12-23
    • US09763936
    • 2001-02-27
    • Shigekazu YamagishiAtsushi HatakeyamaHitoshi Noda
    • Shigekazu YamagishiAtsushi HatakeyamaHitoshi Noda
    • G03B2126
    • G02B3/0043G02B3/0056G02B3/0062G02B26/008G03B21/2013G03B27/547H04N5/7441H04N9/3114
    • A projection display system includes: two light sources (102, 105); a condenser (103, 106) for condensing the light from the light sources; a time-division color separating optical system (108) for temporally switching the incident light into a first, second, or third color of light to be emitted; a light valve (118) capable of modulating the incident light individually for each pixel; a lighting optical system (111, 112, 114) for directing the light from the time-division color separating optical system onto the light valve, and a projection optical system (123) for magnifying and projecting a pixel on the light valve. The light from the two light sources (102, 105) is condensed on the time-division color separating optical system or its vicinity by the condenser (103, 106), and then superimposed. This can provide a projection display system that performs time-division driving and can achieve high-brightness projection images without increasing the size and cost of a system.
    • 投影显示系统包括:两个光源(102,105); 用于冷凝来自光源的光的冷凝器(103,106); 时分分离光学系统(108),用于将入射光瞬时切换成要发射的第一,第二或第三种颜色的光; 能够对每个像素单独调制入射光的光阀(118); 用于将来自时分色分离光学系统的光引导到光阀上的照明光学系统(111,112,114)以及用于放大和投影光阀上的像素的投影光学系统(123)。 来自两个光源(102,105)的光通过冷凝器(103,106)在时分色分离光学系统或其附近被冷凝,然后叠加。 这可以提供一种执行时分驱动并且可以在不增加系统的尺寸和成本的情况下实现高亮度投影图像的投影显示系统。
    • 55. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US5907515A
    • 1999-05-25
    • US87660
    • 1998-06-07
    • Atsushi Hatakeyama
    • Atsushi Hatakeyama
    • G01R31/28G11C29/00G11C29/04G11C29/26G11C29/34G11C7/00G11C8/00
    • G11C29/80G11C29/26
    • A structure of a redundant cell array applicable for a compression test in which a defective cell is detected by concurrently selecting cells in a plurality of segments is provided. In the structure of the redundant cell array in a semiconductor storage device according to the present invention, areas for the compression test in which data write and read are performed by concurrently selecting memory cells in a plurality of segments SGM can be replaced to a redundancy cell array 30. That is, at least, one part of addresses Y0 and Y1 decoded by a column decoder 40 is stored in a redundant ROM of a redundancy detector 34 and is replaced to the redundant cell array 30 when the addresses coincide with the stored address. In this case, at least, one part of the addresses Y2 and Y3 decoded by a segment decoder 50 is supplied to a redundant column decoder 36 provided for the redundant cell array 30.
    • 提供了可应用于通过同时选择多个段中的单元来检测缺陷单元的压缩测试的冗余单元阵列的结构。 在根据本发明的半导体存储装置中的冗余单元阵列的结构中,通过同时选择多个段SGM中的存储单元执行数据写入和读取的压缩测试的区域可以被替换为冗余单元 阵列30.即,由列解码器40解码的至少一部分地址Y0和Y1被存储在冗余检测器34的冗余ROM中,并且当地址与存储的地址一致时被替换为冗余单元阵列30 。 在这种情况下,至少由片段解码器50解码的地址Y2和Y3的一部分被提供给为冗余单元阵列30提供的冗余列解码器36。
    • 56. 发明授权
    • Pulse generator for generating a plurality of output pulses in response
to an input pulse
    • 脉冲发生器,用于响应于输入脉冲产生多个输出脉冲
    • US5761151A
    • 1998-06-02
    • US845922
    • 1997-04-28
    • Atsushi Hatakeyama
    • Atsushi Hatakeyama
    • H03K5/00G11C8/08G11C8/18G11C11/407G11C8/00
    • G11C8/08G11C8/18
    • A pulse generator generates a plurality of output pulses in response to an input pulse. The pulse generator has a pulse-to-edge conversion circuit, a delay circuit, an edge-to-pulse conversion circuit, and a signal synthesizing circuit. The pulse-to-edge conversion circuit converts a level change in the input pulse into an edge signal that shows a change from a first state to a second state. The delay circuit delays the edge signal by a predetermined time. The edge-to-pulse conversion circuit converts the delayed edge signal into a pulse signal. The signal synthesizing circuit synthesizes the output pulses from the pulse signal and the input pulse. Therefore, the pulse generator can be made of a small number of circuit elements, to reduce power consumption and an area to occupy.
    • 脉冲发生器响应于输入脉冲产生多个输出脉冲。 脉冲发生器具有脉冲到边缘转换电路,延迟电路,边缘到脉冲转换电路和信号合成电路。 脉冲到边缘转换电路将输入脉冲中的电平变化转换成表示从第一状态到第二状态的变化的边沿信号。 延迟电路将边缘信号延迟预定时间。 边沿脉冲转换电路将延迟的边缘信号转换成脉冲信号。 信号合成电路从脉冲信号和输入脉冲合成输出脉冲。 因此,脉冲发生器可以由少量电路元件制成,以减少功耗和占用面积。
    • 57. 发明授权
    • Document retrieval method and system
    • 文件检索方法和系统
    • US5757983A
    • 1998-05-26
    • US517722
    • 1995-08-21
    • Hisamitsu KawaguchiMitsuru AkizawaKanji KatoAtsushi HatakeyamaHiromichi Fujisawa
    • Hisamitsu KawaguchiMitsuru AkizawaKanji KatoAtsushi HatakeyamaHiromichi Fujisawa
    • G06F17/30G06K9/62G06K9/72G06K9/54G06K9/60
    • G06F17/30675G06F17/30985G06K9/62G06K9/72G06K2209/01
    • A document retrieval method and system for retrieving, from a document database storing document data in the form of character codes, a document which contains given search terms and which meets a given search query condition. From documents loaded from the document database, a document containing terms which match the search terms is searched to generate document identification (ID) information including a document identifier of the searched document and containing match terms found to match with the search terms as well as term identifiers of the match terms and position information of the match terms in the searched document. A decision is then made as to whether or not the position information of the match terms satisfies a positional condition specified in the search query condition concerning a positional relation between the search terms, and match information is then generated indicating satisfaction of the search query condition when the positional condition is satisfied. Through a proximity condition decision, it is ascertained whether the match terms satisfy an inter-term distance condition specified in the search query condition. Through a contextual condition decision, it is determined whether the match terms satisfy a concurrence condition specifying concurrence of the search terms in a same sub-sentence, a same sentence or a same paragraph. Through a logical condition, it is decided whether the match terms satisfy a logical condition between the search terms specified in the search query condition.
    • 一种文档检索方法和系统,用于从存储文字数据形式的文档数据的文档数据库中检索包含给定搜索词并且满足给定搜索查询条件的文档。 从文档数据库中加载的文档中,搜索包含与搜索词匹配的术语的文档,以生成包括所搜索文档的文档标识符的文档标识(ID)信息,并且包含与搜索词匹配的匹配项,以及术语 搜索文档中匹配项的匹配项和位置信息的标识符。 然后作出关于匹配项的位置信息是否满足关于搜索项之间的位置关系的搜索查询条件中指定的位置条件的决定,然后生成表示搜索查询条件的满足的匹配信息, 满足位置条件。 通过接近度条件判定,确定匹配项是否满足在搜索查询条件中指定的期间距离条件。 通过上下文条件决定,确定匹配项是否满足同一子句,同一句或同一段中的搜索项的同意的同意条件。 通过逻辑条件,确定匹配项是否满足在搜索查询条件中指定的搜索项之间的逻辑条件。