公开(公告)号：US07967452B2

公开(公告)日：2011-06-28

申请号：US12064784

申请日：2006-08-24

申请人： Tatsuo Itoh ,  Kazuhisa Yamamoto ,  Kenichi Kasazumi ,  Kiminori Mizuuchi

发明人： Tatsuo Itoh ,  Kazuhisa Yamamoto ,  Kenichi Kasazumi ,  Kiminori Mizuuchi

IPC分类号： G03B21/28

CPC分类号： G03B21/14 ,  G03B21/2053 ,  G03B21/208 ,  H04N9/3105 ,  H04N9/3129 ,  H04N9/315 ,  H04N9/3155 ,  H04N9/3161

摘要： A projection type display apparatus is provided that is safe even when a person looks directly into a laser beam. A laser operation control unit sets the output power of at least one laser source so that intensity A (mW/mm2) of the laser beam on at least one spatial light modulation element satisfies relationship of A

摘要翻译： 即使人们直视激光束也能够安全地投射型显示装置。 激光操作控制单元设置至少一个激光源的输出功率，使得至少一个空间光调制元件上的激光束的强度A（mW / mm2）在图像上的数值孔径B时满足A <686×B2的关系 设置照明光学系统的一侧。

公开(公告)号：US07954962B2

公开(公告)日：2011-06-07

申请号：US11997117

申请日：2006-06-01

申请人： Tetsuro Mizushima ,  Ken'ichi Kasazumi ,  Tatsuo Itoh ,  Tomoya Sugita ,  Kazuhisa Yamamoto ,  Shin-ichi Kadowaki

发明人： Tetsuro Mizushima ,  Ken'ichi Kasazumi ,  Tatsuo Itoh ,  Tomoya Sugita ,  Kazuhisa Yamamoto ,  Shin-ichi Kadowaki

IPC分类号： G02B13/20 ,  G03B21/26

CPC分类号： H04N9/3161 ,  G02B26/105 ,  G02B27/0961 ,  G03B21/005 ,  H04N9/3129

摘要： A laser image display including a laser light source emitting laser light, a beam deflector element for receiving laser light and deflecting its advancing direction, a beam deflecting element control section for controlling the degree of deflection performed by the beam deflector element, an optical integrator for receiving and guiding the deflected laser light to output from its outputting end face, a pseudo surface light source element for scattering the deflected laser light, and a modulation element for receiving and modulating the laser light scattered by the false surface light source element.

摘要翻译： 一种激光图像显示器，包括发射激光的激光源，用于接收激光并偏转其前进方向的光束偏转元件，用于控制由光束偏转元件执行的偏转程度的光束偏转元件控制部分，用于 接收和引导偏转的激光从其输出端面输出，用于散射偏转的激光的伪平面光源元件，以及用于接收和调制由假面光源元件散射的激光的调制元件。

公开(公告)号：US07918600B2

公开(公告)日：2011-04-05

申请号：US12183420

申请日：2008-07-31

申请人： Takayuki Nagata ,  Kazuhisa Yamamoto ,  Tatsuo Itoh

发明人： Takayuki Nagata ,  Kazuhisa Yamamoto ,  Tatsuo Itoh

IPC分类号： F21V7/04

CPC分类号： G02B6/0028 ,  G02B6/0038 ,  G02B6/0046 ,  G02B6/0068

摘要： A thin planar illumination device with a high light utilization efficiency is provided. In a planar illumination device 10, light source sections 15, 16, 17 and 18 each radiates laser light. The light guide members 19 and 20 polarize, by total reflection, light incident from side surfaces 19b and 20b on two opposite sides thereof, so as to be radiated from incident surfaces 19a and 20a, respectively. In a light guide plate 21, the light is incident from side surfaces beside the respective light guide members 19 and 20 so as to radiate irradiation light 24 from main surfaces 21a and 21b. The main surface of the light guide plate 21 is formed by a plurality of inclined surfaces, each being gradually thinned from the edge surfaces on two sides thereof toward a center thereof.

摘要翻译： 提供了具有高光利用效率的薄平面照明装置。 在平面照明装置10中，光源部15,16,17,18分别照射激光。 导光构件19和20通过全反射使从侧表面19b和20b的两个相对侧入射的光分别偏振，以便从入射表面19a和20a辐射。 在导光板21中，光从各导光体19,20的旁边的侧面入射，从而从主表面21a和21b辐射照射光24。 导光板21的主表面由多个倾斜表面形成，每个倾斜表面从其两侧的边缘表面朝向其中心逐渐变薄。

公开(公告)号：US07911386B1

公开(公告)日：2011-03-22

申请号：US11751852

申请日：2007-05-22

申请人： Tatsuo Itoh ,  Anthony Lai ,  Kevin M. K. H. Leong

发明人： Tatsuo Itoh ,  Anthony Lai ,  Kevin M. K. H. Leong

IPC分类号： H01Q1/38 ,  H01Q9/00 ,  H01Q15/02

CPC分类号： H01Q9/0407

摘要： Dual-band and multi-band radiating elements are described based on composite right/left-handed (CRLH) meta-material transmission line (TL). These elements can operate as resonators and/or antennas depending on feed-line configuration. The radiating elements are based on the fundamental backward wave supported by a composite right/left-handed (CRLH) meta-material transmission line (TL). Unit-cells of the transmission line comprise conductive patches coupled through vias to a ground plane. The physical size and operational frequencies of the radiating element is determined by the unit cell of the CRLH meta-material. This radiating element is configured for monopolar radiation at a first resonant frequency and patch-like radiation at a second resonant frequency. The first and second resonant frequencies are not constrained to a harmonic relationship.

摘要翻译： 基于复合右/左（CRLH）超材料传输线（TL）描述了双频带和多频带辐射元件。 根据馈线配置，这些元件可以作为谐振器和/或天线工作。 辐射元件基于由复合右/左手（CRLH）超材料传输线（TL）支撑的基本反向波。 传输线的单位单元包括通过通孔耦合到接地平面的导电贴片。 辐射元件的物理尺寸和工作频率由CRLH超临界材料的晶胞确定。 该辐射元件被配置为在第一谐振频率下的单极辐射和在第二共振频率下的片状辐射。 第一和第二谐振频率不限于谐波关系。

公开(公告)号：US07853223B2

公开(公告)日：2010-12-14

申请号：US11442267

申请日：2006-05-30

申请人： Sang-min Han ,  Ji-yong Park ,  Tatsuo Itoh

发明人： Sang-min Han ,  Ji-yong Park ,  Tatsuo Itoh

IPC分类号： H04B1/06 ,  H04B7/00 ,  H04M1/00

CPC分类号： H01Q1/248 ,  H04B1/1607

摘要： Provided a self-biased receiver system using a multi-fed antenna, including: at least one first port connected to an electronic circuit; and a second port connected to a feeder forming a DC (direct current) voltage using an input electromagnetic wave and feeding the DC voltage to the electronic circuit.

摘要翻译： 提供一种使用多馈馈天线的自偏置接收机系统，包括：至少一个连接到电子电路的第一端口; 以及连接到馈电器的第二端口，其使用输入电磁波形成DC（直流）电压，并将DC电压馈送到电子电路。

公开(公告)号：US20100295630A1

公开(公告)日：2010-11-25

申请号：US12780190

申请日：2010-05-14

申请人： Tatsuo Itoh ,  Pei-Ling Chi

发明人： Tatsuo Itoh ,  Pei-Ling Chi

IPC分类号： H01P5/22 ,  H01P5/12

CPC分类号： H01P1/2135 ,  H01P1/2005 ,  H01P5/16

摘要： A diplexing apparatus and method which utilizes composite right/left-handed (CRLH) phase-advance/delay lines combined with a coupler. By engineering CRLH-based transmission lines with desired phase responses at two arbitrary frequencies of interest, the connected CRLH delay line and/or CRLH coupler are excited in a manner such that signals at designated frequencies are separated to the corresponding output ports of the hybrid coupler. Benefits of the apparatus include elimination of design complexities such as optimization of the interconnection junctions and the harmonic spurious suppression involved in conventional filter-based diplexers. In addition, channel isolation is beneficially achieved from the isolation property of directional couplers. Measured insertion loss on the implementations was found to be less than 1 dB, with isolation greater than 20 dB in the dual bands. A high level of agreement was observed between simulated and measured results.

摘要翻译： 一种利用复合右/左手（CRLH）相位提前/延迟线与耦合器组合的复合装置和方法。 通过在两个感兴趣的任意频率处设计具有所需相位响应的基于CRLH的传输线，连接的CRLH延迟线和/或CRLH耦合器以这样的方式激励，使得指定频率处的信号被分离到混合耦合器的相应输出端口 。 该设备的优点包括消除设计复杂性，例如互连结的优化和传统的基于滤波器的双工器中所涉及的谐波杂散抑制。 此外，通过定向耦合器的隔离性能有利地实现了通道隔离。 发现实施中的测量插入损耗小于1dB，双频段的隔离度大于20dB。 在模拟和测量结果之间观察到高水平的一致性。

公开(公告)号：US20100214208A1

公开(公告)日：2010-08-26

申请号：US12159395

申请日：2006-12-25

申请人： Tatsuo Itoh ,  Tetsuro Mizushima ,  Kenichi Kasazumi ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

发明人： Tatsuo Itoh ,  Tetsuro Mizushima ,  Kenichi Kasazumi ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

IPC分类号： G02F1/13357 ,  G09G3/36 ,  F21V7/04

CPC分类号： G02B6/0001 ,  G02B6/0033 ,  G02B6/0068 ,  G02B6/0078

摘要： A planar lighting device that applies light having high luminance with good monochromatic characteristics, and a liquid crystal display device using the same are provided. The planar lighting device (11) is provided with: a laser light source (12) that emits laser light beams of red, green and blue colors; at least one optical wave guide unit (14) that is placed in a plane state and is optically connected to the laser light source to propagate the laser light beams emitted from the laser light source; a planar light guide plate (15) that is arranged on a surface side of the optical wave guide unit, spreads the laser light beams propagating through the optical wave guide unit, and outputs the laser light beams from one of principal surfaces (21); and a plurality of light taking out units (19) that are arranged on the other principal surface of the light guide plate, and guide the laser light beams propagating through the optical wave guide unit to the light guide plate.

摘要翻译： 提供了一种采用具有良好的单色特性的具有高亮度的光的平面照明装置和使用该照明装置的液晶显示装置。 平面照明装置（11）设置有：发射红色，绿色和蓝色激光的激光光源（12）; 至少一个光波导单元（14），其被放置在平面状态并且光学连接到激光光源以传播从激光光源发射的激光束; 布置在所述光波导单元的表面侧的平面导光板（15）扩散通过所述光波导单元传播的激光束，并从所述主表面（21）之一输出所述激光束。 以及布置在导光板的另一个主表面上的多个光取出单元（19），并且将通过光波导单元传播的激光束引导到导光板。

公开(公告)号：US20090190072A1

公开(公告)日：2009-07-30

申请号：US12358715

申请日：2009-01-23

申请人： Takayuki Nagata ,  Hiroshi Obi ,  Shinichi Kadowaki ,  Kazuhisa Yamamoto ,  Tatsuo Itoh ,  Shinichi Shikii

发明人： Takayuki Nagata ,  Hiroshi Obi ,  Shinichi Kadowaki ,  Kazuhisa Yamamoto ,  Tatsuo Itoh ,  Shinichi Shikii

IPC分类号： G02F1/13357 ,  G02B27/14 ,  G02B5/28 ,  F21V13/08

CPC分类号： G02B6/005 ,  G02B6/0028 ,  G02B6/0038 ,  G02B6/0055 ,  G02F1/133615 ,  G02F1/133621

摘要： A wavelength separator is provided with a reflective color filter arranged to intersect with an optical path of light emerging from a principal surface of a light guide plate, and a recycle portion arranged at a side of the light guide plate opposite to the reflective color filter. Out of light incident on the light guide plate, light reflected by the reflective color filter is returned to the reflected color filter again by being reflected by the recycle portion via the light guide plate.

摘要翻译： 波长分离器设置有反射滤色器，其布置成与从导光板的主表面出射的光的光路相交，以及布置在与反射滤色器相对的导光板的一侧的再循环部。 在入射到导光板上的光中，由反射滤色器反射的光经由导光板被再循环部分反射再次返回到反射滤色器。

公开(公告)号：US07508283B2

公开(公告)日：2009-03-24

申请号：US11092141

申请日：2005-03-28

申请人： Tatsuo Itoh ,  Christophe Caloz ,  I-Hsiang Lin ,  Hiroshi Okabe

发明人： Tatsuo Itoh ,  Christophe Caloz ,  I-Hsiang Lin ,  Hiroshi Okabe

IPC分类号： H01P5/12 ,  H01P5/22

CPC分类号： H01P5/227

摘要： High-frequency couplers and coupling techniques are described utilizing artificial composite right/left-handed transmission line (CRLH-TL). Three specific forms of couplers are described; (1) a coupled-line backward coupler is described with arbitrary tight/loose coupling and broad bandwidth; (2) a compact enhanced-bandwidth hybrid ring coupler is described with increased bandwidth and decreased size; and (3) a dual-band branch-line coupler that is not limited to a harmonic relation between the bands. These variations are preferably implemented in a microstrip fabrication process and may use lumped-element components. The couplers and coupling techniques are directed at increasing the utility while decreasing the size of high-frequency couplers, and are suitable for use with separate coupler or couplers integrated within integrated devices.

摘要翻译： 利用人造复合右/左传输线（CRLH-TL）描述高频耦合器和耦合技术。 描述了三种具体形式的耦合器; （1）耦合线反向耦合器被描述为具有任意的紧/松耦合和宽带宽; （2）以增加的带宽和减小的尺寸描述紧凑的增强带宽混合环耦合器; 和（3）双频分支线耦合器，不限于频带之间的谐波关系。 这些变化优选地在微带制造过程中实现，并且可以使用集总元件部件。 耦合器和耦合技术旨在增加效用，同时降低高频耦合器的尺寸，并且适用于集成在集成器件内的单独的耦合器或耦合器。

公开(公告)号：US20090046361A1

公开(公告)日：2009-02-19

申请号：US12091239

申请日：2006-10-24

申请人： Tatsuo Itoh ,  Kazuhisa Yamamoto ,  Tetsuro Mizushima

发明人： Tatsuo Itoh ,  Kazuhisa Yamamoto ,  Tetsuro Mizushima

IPC分类号： G03B21/60

CPC分类号： G03B21/60 ,  G02B2207/123

摘要： There are provided a reflection type screen capable of suppressing effects of external light and obtaining a wide viewing angle with a simple structure, and a forward projection system having the reflection type screen.A reflection type screen 100 has transparent prismatic members 5 arranged parallel to a longitudinal direction of a base 1, between the base 1 of a light absorbing member and a front sheet 2 of a transparent projective layer. Each transparent prismatic member 5 has a transmissive plane 3, and a diffusion-reflection plane 4 formed at a specified angle. The diffusion-reflection plane 4 is formed by arranging a reflection film on one of surfaces of the transparent prismatic member 5. Projection light is diffused and reflected by the diffusion-reflection plane 4, and external light passes through the transmissive plane 3, and is absorbed in the base 1.

摘要翻译： 提供了能够抑制外部光的效果并且以简单的结构获得宽视角的反射型屏幕，以及具有反射型屏幕的向前投影系统。 反射型屏幕100具有平行于基座1的纵向平行布置的光吸收构件的基座1和透明投影层的前片2之间的透明棱镜构件5。 每个透明棱镜构件5具有透射平面3和以特定角度形成的扩散反射平面4。 扩散反射面4通过在透明棱镜构件5的一个表面上设置反射膜而形成。投射光被扩散反射面4扩散和反射，外部光通过透射面3，并且是 吸收在基地1。