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    • 1. 发明授权
    • Screen assembly and rear-projection type graphic display device
    • 屏幕组合和背投式图形显示装置
    • US08388147B2
    • 2013-03-05
    • US12654287
    • 2009-12-16
    • Toshitaka MurataRyusaku TakahashiMasahiko MiyakeManabu KobayashiTakatsugu AizakiHironobu Fukutomi
    • Toshitaka MurataRyusaku TakahashiMasahiko MiyakeManabu KobayashiTakatsugu AizakiHironobu Fukutomi
    • G03B21/14
    • G03B21/10G03B21/62
    • A screen assembly and a rear-projection type graphic display device are provided to block overscanned light Lo projected outside a fresnel lens screen. The screen assembly 20A includes the fresnel lens screen 21, a screen retainer 22 and a light blocking member 23. The fresnel lens screen 21 forms an image on the side of a front surface 21b by image light Le incoming through a back surface 21a. The screen retainer 22 has a back surface 22a whose area is larger than the back surface 21a and the front surface 21b and which is opposed to the front surface 21b to hold it, and a front surface 22b located on opposite side of the back surface 22a to allow an image formed by the image light incoming through the back surface 21a to be visible through the front surface 22b. The screen retainer 22 has an optical transparency. The light blocking member 23 is arranged so as to surround respective side surfaces of the screen 21 in the form of a frame. At least part of the light blocking member 23 is arranged so as to project to the side of the back surface 21a of the screen.
    • 提供了屏幕组件和背投式图形显示装置,以阻挡投射在菲涅尔透镜屏幕外部的过扫描光线Lo。 屏幕组件20A包括菲涅尔透镜屏幕21,屏幕保持器22和遮光构件23.菲涅耳透镜屏幕21通过背面21a进入的图像光Le形成在前表面21b侧的图像。 屏幕保持器22具有面积大于后表面21a和前表面21b并且与前表面21b相对以保持它的后表面22a,并且位于背表面22a的相对侧上的前表面22b 以允许通过后表面21a进入的图像光形成的图像通过前表面22b可见。 屏幕保持器22具有光学透明度。 遮光构件23被布置成围绕框架的形式的屏幕21的各个侧表面。 遮光构件23的至少一部分配置成向屏幕的背面21a侧突出。
    • 5. 发明授权
    • Electric machine
    • 电机
    • US07605514B2
    • 2009-10-20
    • US11623125
    • 2007-01-15
    • Kazumasa ItoKouki NakaMasatsugu NakanoManabu Kobayashi
    • Kazumasa ItoKouki NakaMasatsugu NakanoManabu Kobayashi
    • H02K1/00
    • H02K3/28H02K21/16H02K21/222
    • In a rotating electric machine including a field pole unit having ten magnetic poles (P=10) and an armature having twelve teeth (Q=12), armature coils are wound around the successive teeth with phase relationships and winding polarities arranged in the order of U+/U+, U−/V+, V−/V−, W−/V+, W+/W+, W−/U+, U−/U−, U+/V−, V+/V+, W+/V−, W−/W− and W+/U−, where “U,” “V” and “W” represent three phases of the individual armature coils while “+” and “−” denote winding polarities. Among all harmonic components of magnetomotive forces produced by the armature coils, harmonic components of orders lower than a synchronized component can be reduced in this rotating electric machine. This structure decreases eddy currents flowing in the field pole unit, resulting lower eddy current loss in the field pole unit of the rotating electric machine.
    • 在包括具有十个磁极(P = 10)和具有十二个齿(Q = 12)的电枢的场极单元的旋转电机中,电枢线圈围绕连续的齿缠绕,相位关系和绕组极性按照 U + / U +,U- / V +,V- / V-,W- / V +,W + / W +,W- / U +,U- / U-,U + / V-,V + / V +,W + / V-,W - / W-和W + / U-,其中“U”,“V”和“W”表示各个电枢线圈的三相,而“+”和“ - ”表示绕组极性。 在电枢线圈产生的磁动势的所有谐波分量中,在这种旋转电机中可以减少低于同步分量的谐波分量。 该结构减小了在场极单元中流动的涡流,从而在旋转电机的场极单元中产生较低的涡流损耗。
    • 8. 发明申请
    • ELECTRIC MACHINE
    • 电机
    • US20070194650A1
    • 2007-08-23
    • US11623125
    • 2007-01-15
    • Kazumasa ITOKouki NAKAMasatsugu NAKANOManabu KOBAYASHI
    • Kazumasa ITOKouki NAKAMasatsugu NAKANOManabu KOBAYASHI
    • H02K41/00H02K3/00
    • H02K3/28H02K21/16H02K21/222
    • In a rotating electric machine including a field pole unit having ten magnetic poles (P=10) and an armature having twelve teeth (Q=12), armature coils are wound around the successive teeth with phase relationships and winding polarities arranged in the order of U+/U+, U−/V+, V−/V−, W−/V+, W+/W+, W−/U+, U−/U−, U+/V−, V+/V+, W+/V−, W−/W− and W+/U−, where “U,” “V” and “W” represent three phases of the individual armature coils while “+” and “−” denote winding polarities. Among all harmonic components of magnetomotive forces produced by the armature coils, harmonic components of orders lower than a synchronized component can be reduced in this rotating electric machine. This structure decreases eddy currents flowing in the field pole unit, resulting lower eddy current loss in the field pole unit of the rotating electric machine.
    • 在包括具有十个磁极(P = 10)和具有十二个齿(Q = 12)的电枢的场极单元的旋转电机中,电枢线圈围绕连续的齿缠绕,相位关系和绕组极性按照 U + / U +,U- / V +,V- / V-,W- / V +,W + / W +,W- / U +,U- / U-,U + / V-,V + / V +,W + / V-,W - / W-和W + / U-,其中“U”,“V”和“W”表示各个电枢线圈的三相,而“+”和“ - ”表示绕组极性。 在电枢线圈产生的磁动势的所有谐波分量中,在这种旋转电机中可以减少低于同步分量的谐波分量。 该结构减小了在场极单元中流动的涡流,从而在旋转电机的场极单元中产生较低的涡流损耗。