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公开(公告)号：US06231191B1
公开(公告)日：2001-05-15
申请号：US09170773
申请日：1998-10-13
申请人： Mikio Shiraishi , Yasuo Otsuka , Toru Numata
发明人： Mikio Shiraishi , Yasuo Otsuka , Toru Numata
IPC分类号： G03B2116
摘要： In order to prevent dust from sticking to the LCD panel, to prevent the LCD panel from being heated and to suitably adjust the position of the LCD panel, a duct is provided between cooling means for a light source and cooling means for a LCD panel to send cooling air from the LCD panel side to the light source side. Therefore, a light incidence/reflection plane of the LCD panel is disposed in an almost hermetically closed space and an optical path from an integrator lens to the LCD panel is formed in the almost hermetically closed space.
摘要翻译： 为了防止灰尘粘附到LCD面板，为了防止LCD面板被加热并且适当地调整LCD面板的位置，在用于光源的冷却装置和用于LCD面板的冷却装置之间设置有管道 将冷却空气从LCD面板侧传送到光源侧。 因此，LCD面板的入射/反射面设置在几乎气密的空间中，并且在几乎密闭的空间中形成从积分透镜到LCD面板的光路。
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公开(公告)号：US5957996A
公开(公告)日：1999-09-28
申请号：US982299
申请日：1997-12-01
申请人： Mikio Shiraishi
发明人： Mikio Shiraishi
CPC分类号： G06F7/026
摘要： The present invention provides a digital data comparator having a first selective data inverting circuit inverting a first input data when the sign of the first input data is negative, or outputting the first input data when the sign is positive, a first adding circuit coupled to an output of the first selective data inverting circuit, adding one to the least significant bit when the sign of the first input data is negative, or outputting the first input data when the sign is positive, a second selective data inverting circuit inverting a second input data when the sign of the second input data is positive, or outputting the second input data when the sign is negative, and a second adding circuit adding an output of the first adding circuit and an output of the second selective data inverting circuit.
摘要翻译： 本发明提供了一种数字数据比较器，当第一输入数据的符号为负时，第一选择数据反相电路使第一输入数据反相，或当符号为正时输出第一输入数据，第一加法电路耦合到 第一选择数据反相电路的输出，当第一输入数据的符号为负时将一个加到最低有效位，或当符号为正时输出第一输入数据，第二选择数据反相电路将第二输入数据 当第二输入数据的符号为正时，或者当符号为负时输出第二输入数据，以及第二加法电路，将第一加法电路的输出和第二选择数据反相电路的输出相加。
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43.发明授权
公开(公告)号：US5521856A
公开(公告)日：1996-05-28
申请号：US326210
申请日：1994-10-20
申请人： Mikio Shiraishi
发明人： Mikio Shiraishi
CPC分类号： G06F7/5324 , G06F7/4812 , G06F7/5338 , G06F7/5443 , G06F2207/382
摘要： An AND gate inputs the most significant bit of a lower word of an multiplicand or "0" to an input terminal of the least significant bit of Booth's decoders to which an upper word of the multiplicand is inputted based on a control signal. An AND gate replaces a part of a partial products with "0" based on the control signal. A selector replaces other part of the partial products with partial products of the lower bits than the other part of the partial products. Whereby, a plurality of pairs of data can be multiplied at one time.
摘要翻译： AND门根据控制信号将被乘数的低位字或“0”的最高有效位输入到布斯解码器的最低有效位的输入端，被乘数的高位字被输入到该位的最低有效位。 AND门根据控制信号将部分产品的一部分替换为“0”。 选择器将部分产品的其他部分替换为低于部分产品的其他部分的部分产品。 由此，可以一次乘以多对数据。
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公开(公告)号：US4879677A
公开(公告)日：1989-11-07
申请号：US171105
申请日：1988-03-21
申请人： Mikio Shiraishi
发明人： Mikio Shiraishi
CPC分类号： G06F7/5318 , G06F7/49994 , G06F7/5338
摘要： A parallel adder circuit includes a partial product adding circuit for adding one-bit partial products together in order total to a plurality of partial products, and sign bit decoder circuit for decoding sign bits of a given bit number to provide a total sum of the sign bits, and supply this total sum to the partial product adding circuit at given bits. In a multiplier utilizing Booth's algorithm, a decoder circuit is used for decoding sign bits of the partial product to provide the total sum of all the sign bits, and a decoded output is supplied to the partial product adding circuit. Therefore, the number of higher bit inputs can be reduced and the number of full adders in the partial product adding circuit can be decreased.
摘要翻译： 一个并行加法器电路包括一个部分乘积加法电路，用于将多个部分乘积的总和相加一位部分乘积，以及用于解码给定位数的符号位的符号位解码器电路，以提供符号的总和 位，并以给定位将该总和提供给部分积添加电路。 在使用Booth算法的乘法器中，解码器电路用于对部分积的符号位进行解码，以提供所有符号位的总和，并将解码输出提供给部分乘积加法电路。 因此，可以减少较高位输入的数量，并且可以减少部分积添加电路中的全加法器的数量。
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公开(公告)号：US08807819B2
公开(公告)日：2014-08-19
申请号：US13567762
申请日：2012-08-06
申请人： Mikio Shiraishi , Masayuki Tanabe , Mika Tanimura , Shoji Yamamoto , Kenji Takano , Yoshifumi Shimane , Yasuaki Ohara , Reiji Nakamura
发明人： Mikio Shiraishi , Masayuki Tanabe , Mika Tanimura , Shoji Yamamoto , Kenji Takano , Yoshifumi Shimane , Yasuaki Ohara , Reiji Nakamura
IPC分类号： F21V7/04
CPC分类号： G02B6/0031 , G02B6/0018 , G02B6/0021 , G02B6/0036 , G02B6/0055 , G02B6/0068 , G02B6/0073 , G02B6/0078
摘要： An illumination unit of the present invention includes a tabular light guide plate having a light emitting surface for emitting light coming from an LED as planar light, wherein a recessed portion is formed in the opposite surface of the light emitting surface of the light guide plate, and wherein the LED is provided in the recessed portion so that the optical axis of the LED becomes parallel to the light emitting surface of the light guide plate. Then, a dimming pattern is provided at a location corresponding to the LED of the light emitting surface of the light guide plate, and the dimming pattern includes a main portion covering the LED on the light emitting surface side, and protrusions radially extending toward a light emitting direction of the LED around the LED.
摘要翻译： 本发明的照明单元包括具有发光面的板状导光板，该发光面用于发射来自LED的光作为平面光，其中在导光板的发光面的相对面上形成有凹部， 并且其中所述LED设置在所述凹部中，使得所述LED的光轴变得平行于所述导光板的发光表面。 然后，在与导光板的发光面的LED相对应的位置处设置调光图案，并且调光图案包括覆盖发光面侧的LED的主要部分和朝向光的径向延伸的突起 LED周围的发光方向。
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公开(公告)号：US08690407B2
公开(公告)日：2014-04-08
申请号：US13567662
申请日：2012-08-06
申请人： Mikio Shiraishi , Masayuki Tanabe , Mika Tanimura , Shoji Yamamoto , Kenji Takano , Yoshifumi Shimane , Yasuaki Ohara , Reiji Nakamura
发明人： Mikio Shiraishi , Masayuki Tanabe , Mika Tanimura , Shoji Yamamoto , Kenji Takano , Yoshifumi Shimane , Yasuaki Ohara , Reiji Nakamura
IPC分类号： F21V7/04
CPC分类号： G02F1/133611 , G02B6/0021 , G02B6/0043 , G02B6/0068 , G02B6/0078 , G02B6/0088 , G02F1/133603
摘要： An illumination unit includes an LED and a tabular light guide plate having a light emitting surface for emitting light from the LED as planar light, wherein a recessed portion is formed in the opposite surface of the tight emitting surface of the light guide plate, and wherein the LED is provided in the recessed portion so that the optical axis of the LED becomes parallel to the light emitting surface of the light guide plate. Further, a plurality of LEDs are arranged along the longer direction of the recessed portion, a dimming pattern is provided at a location corresponding to each of a plurality of LED of the light emitting surface of the light guide plate, and the shape or the size of the dimming pattern is varied with a location on the light emitting surface of the light guide plate.
摘要翻译： 照明单元包括LED和具有用于从LED发射光的发光表面作为平面光的平板状导光板，其中在导光板的紧密发射表面的相对表面上形成凹部，并且其中 在凹部设置LED，使得LED的光轴平行于导光板的发光面。 此外，沿着凹部的长度方向配置有多个LED，在与导光板的发光面的多个LED中的每一个对应的位置处设置调光图案，并且形状或尺寸 所述调光图案随着所述导光板的发光面上的位置而变化。
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公开(公告)号：US07832871B2
公开(公告)日：2010-11-16
申请号：US12289018
申请日：2008-10-17
申请人： Kenji Fuse , Mikio Shiraishi , Yasuo Otsuka , Nobuyuki Kaku , Hidehiro Ikeda
发明人： Kenji Fuse , Mikio Shiraishi , Yasuo Otsuka , Nobuyuki Kaku , Hidehiro Ikeda
CPC分类号： G03B21/16 , H04N9/3105 , H04N9/3144
摘要： A projection type display apparatus includes a housing having a first side on which an air intake opening is arranged and a second side on which an air exhaust opening is arranged, a light source for supplying light, and a light valve device which modulates the light output from the light source. A first fan is provided which draws air from the air intake opening into the housing, and a first ventilation path is coupled with the air intake opening so as to lead air flow from the air intake opening toward a lower portion of the light valve. A second ventilation path is formed from the lower portion of the light valve to an upper portion of the light valve, and a second fan is provided which draws out air flowing from the second ventilation path through the air exhaust opening to outside of the housing.
摘要翻译： 一种投影型显示装置，具备：具有配置有吸气口的第一面和配置有排气口的第二面的壳体，供给光的光源和调制光输出的光阀装置 从光源。 提供了一种第一风扇，其将空气从进气口吸入壳体中，并且第一通风路径与进气口结合，以便将空气从进气口朝向光阀的下部引导。 第二通风路径由光阀的下部形成到光阀的上部，并且设置有第二风扇，其将从第二通气路径通过排气口的空气抽出到壳体的外部。
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公开(公告)号：US20090059180A1
公开(公告)日：2009-03-05
申请号：US12289018
申请日：2008-10-17
申请人： Kenji Fuse , Mikio Shiraishi , Yasuo Otsuka , Nobuyuki Kaku , Hidehiro Ikeda
发明人： Kenji Fuse , Mikio Shiraishi , Yasuo Otsuka , Nobuyuki Kaku , Hidehiro Ikeda
IPC分类号： G03B21/16
CPC分类号： G03B21/16 , H04N9/3105 , H04N9/3144
摘要： A projection type display apparatus includes a housing having a first side on which an air intake opening is arranged and a second side on which an air exhaust opening is arranged, a light source for supplying light, and a light valve device which modulates the light output from the light source. A first fan is provided which draws air from the air intake opening into the housing, and a first ventilation path is coupled with the air intake opening so as to lead air flow from the air intake opening toward a lower portion of the light valve. A second ventilation path is formed from the lower portion of the light valve to an upper portion of the light valve, and a second fan is provided which draws out air flowing from the second ventilation path through the air exhaust opening to outside of the housing.
摘要翻译： 一种投影型显示装置，具备：具有配置有吸气口的第一面和配置有排气口的第二面的壳体，供给光的光源和调制光输出的光阀装置 从光源。 提供了一种第一风扇，其将空气从进气口吸入壳体中，并且第一通风路径与进气口结合，以便将空气从进气口朝向光阀的下部引导。 第二通风路径由光阀的下部形成到光阀的上部，并且设置有第二风扇，其将从第二通气路径通过排气口的空气抽出到壳体的外部。
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公开(公告)号：US07293878B2
公开(公告)日：2007-11-13
申请号：US10964631
申请日：2004-10-15
CPC分类号： H04N9/3141 , G03B21/16 , H04N5/7441
摘要： A projector having an image display element for modulating light on the basis of an image signal and a projection lens for projecting light emitted from the image display element on a screen, includes: a lamp which has a light emitting source for emitting light; a reflector which reflects light emitted from the light emitting source; a cover glass which covers an emission surface of light from the reflector; a cooling fan disposed outside the reflector; and an air direction changing unit which changes a direction of cooling air caused by the cooling fan. The air direction changing unit is disposed within a space surrounded by the reflector and the cover glass, and outside an emitted light path of light reflected by the reflector. Cooling air within the space is exhausted outside the projector through the cooling fan.
摘要翻译： 一种具有用于根据图像信号调制光的图像显示元件的投影仪和用于将从图像显示元件发射的光投射到屏幕上的投影透镜，包括：具有用于发光的发光源的灯; 反射从所述发光源发射的光的反射器; 盖玻璃，其覆盖来自反射器的光的发射表面; 设置在反射器外部的冷却风扇; 以及空气方向改变单元，其改变由所述冷却风扇引起的冷却空气的方向。 空气方向改变单元设置在由反射器和盖玻璃包围的空间内以及由反射器反射的光的发射光路的外部。 空间内的冷却空气通过冷却风扇在投影机外部耗尽。
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公开(公告)号：US20060126027A1
公开(公告)日：2006-06-15
申请号：US11349812
申请日：2006-02-07
申请人： Mikio Shiraishi
发明人： Mikio Shiraishi
IPC分类号： G03B21/18
CPC分类号： G03B21/16
摘要： There is a need for allowing an exhaust direction of a cooling air to be appropriately changed according to an installation environment of a projection type display device. There is another need to achieve a system for preventing an intake air and an exhaust air from being circulated therebetween by changing the direction of an intake port as well as an exhaust direction. A cooling system for an area around a lamp that accounts for a good part of an amount of heat generated by the projection type display device is isolated from a cooling system for other parts including a liquid crystal panel. Means is further provided of allowing the directions of intake and exhaust to be inverted in an entire device by changing the direction of rotation of an exhaust fan provided for the cooling system for the area around the lamp between forward and backward.
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