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    • 1. 发明授权
    • Tellurite glass
    • 碲化玻璃
    • US4652536A
    • 1987-03-24
    • US880158
    • 1986-06-30
    • Toshitaka NakajimaHiroji Sagara
    • Toshitaka NakajimaHiroji Sagara
    • C03C4/00C03C3/12
    • C03C3/122Y10S501/90
    • Tellurite glass is disclosed, consisting essentially of 60 to 85 mol % of TeO.sub.2, up to 25 mol % of Li.sub.2 O, up to 35 mol % of Na.sub.2 O, up to 25 mol % of K.sub.2 O, up to 25 mol % of Rb.sub.2 O, up to 15 mol % of Cs.sub.2 O, up to 10 mol % of MgO, up to 5 mol % of CaO, up to 5 mol % of SrO, 1 to 30 mol % of BaO, up to 30 mol % of ZnO, up to 30 mol % of PbO, and up to 5 mol % in total of La.sub.2 O.sub.3, ZrO.sub.2, TiO.sub.2, Nb.sub.2 O.sub.5, Ta.sub.2 O.sub.5 and WO.sub.3 with the total content of K.sub.2 O, Rb.sub.2 O and Cs.sub.2 O being from 1 to 25 mol %, and the total content of ZnO and PbO being from 1 to 30 mol %. The tellurite glass has a reduced light path difference with temperature difference and an increased figure of merit.
    • 公开了碲化物玻璃,其基本上由60至85mol%的TeO 2,至多25mol%的Li 2 O,至多35mol%的Na 2 O,至多25mol%的K 2 O,至多25mol%的Rb 2 O,直到 15mol%的Cs 2 O,至多10mol%的MgO,至多5mol%的CaO,至多5mol%的SrO,1至30mol%的BaO,至多30mol%的ZnO,至多30mol PbO的总量以及K2O,Rb2O和Cs2O的总含量为1〜25mol%的La2O3,ZrO2,TiO2,Nb2O5,Ta2O5,WO3总量的5mol%,ZnO和PbO的总含量 为1〜30摩尔%。 碲酸盐玻璃具有与温度差减小的光程差和增加的品质因数。
    • 2. 发明授权
    • Dual use reflective article
    • 双用反光制品
    • US6120879A
    • 2000-09-19
    • US58386
    • 1998-04-09
    • Theodore J. SzczechToshitaka NakajimaMark D. Fiegen
    • Theodore J. SzczechToshitaka NakajimaMark D. Fiegen
    • G02B5/124G09F13/04G09F13/16B32B3/00
    • G09F13/16G02B5/124G09F2013/0472Y10S428/913Y10T428/24479
    • A reflective article has a structured surface which includes a first and second array of reflective elements. The first array includes elements which have at least a first, second, and third reflecting face arranged to retroreflect incident light in a retroreflected beam. The second array includes elements which have at least a fourth, fifth, and sixth reflecting face arranged to reflect incident light in a second beam at an observation angle greater than 2 degrees. In signing applications, the second beam can be light originating from a stationary light source, the second beam having a direction and beam width suitable for illuminating an observation zone of interest. The retroreflected beam can be light originating from a moving light source such as a vehicle headlamp. Sheeting comprising such an article can be used both where external lighting from a suitable stationary light source is available and where it is not available.
    • 反射制品具有包括反射元件的第一和第二阵列的结构化表面。 第一阵列包括具有至少第一,第二和第三反射面的元件,其布置成回射反射光束中的入射光。 第二阵列包括具有至少第四,第五和第六反射面的元件,其布置成以大于2度的观察角度反射第二光束中的入射光。 在签名申请中,第二光束可以是源自固定光源的光,第二光束具有适于照亮感兴趣观察区的方向和光束宽度。 回射光束可以是来自诸如车辆前照灯的移动光源的光。 包括这样的物品的片材可以用于来自合适的固定光源的外部照明可用并且其不可用的地方。
    • 4. 发明授权
    • Brushless d-c motor
    • 无刷d-c电机
    • US3938014A
    • 1976-02-10
    • US442681
    • 1974-02-14
    • Toshitaka Nakajima
    • Toshitaka Nakajima
    • H02K29/08E04D13/072H02P6/08H02K29/00
    • H02P6/08
    • A brushless d-c motor of the type having a permanent magnet rotor and a plurality of stator windings which are energized from a common d-c power source through transistors in response to means which detect the rotating position of the rotor in a manner such that the conductance of the transistors are so controlled as to ensure proper rotation, in which, means are provided for detecting the currents flowing through the stator windings and the outputs of these means used to control the transistors supplying current to the stators such as to equalize the current flow from stator winding to stator winding, thereby permitting transistors having unmatched gains to be used in the motor.
    • 一种具有永磁转子和多个定子绕组的无刷直流电动机,其响应于检测转子的转动位置的方式从公共直流电源通过晶体管而被激励, 控制晶体管以确保适当的旋转,其中提供用于检测流过定子绕组的电流的装置以及用于控制向定子提供电流的晶体管的这些装置的输出,以使来自定子的电流平衡 绕组到定子绕组,从而允许在电动机中使用具有无与伦比的增益的晶体管。
    • 7. 发明授权
    • Transparent, wavelength-selective retroreflector
    • 透明波长选择性反光镜
    • US08496339B2
    • 2013-07-30
    • US11993331
    • 2006-06-26
    • Toshitaka Nakajima
    • Toshitaka Nakajima
    • G02B5/122
    • G02B5/0816G02B5/122G02B5/124G02B5/208G02B5/26G02B5/282
    • A transparent wavelength-selective retroreflector (100) that retroreflects light within a specific wavelength range and is transparent to visible light. A transparent wavelength-selective retroreflector allows visible light to pass therethrough and selectively retroreflects light within a specific wavelength range. One preferred embodiment of a transparent, wavelength-selective retroreflector includes an optical structure layer (101) that is made of a light transmissible material and a wavelength selective reflective layer (102). At least one of the front or rear surfaces includes a cube corner structure, such as cube-corner type trigonal pyramids, cube-corner type cavities, cube-corner type trigonal pyramids with reflective layers, cube-corner type cavities with reflective layers, and the like.
    • 透明的波长选择性后向反射器(100),其将特定波长范围内的光反射并对可见光透明。 透明的波长选择性后向反射器允许可见光通过,并且选择性地回射特定波长范围内的光。 透明波长选择性后向反射器的一个优选实施例包括由透光材料制成的光学结构层(101)和波长选择反射层(102)。 前表面或后表面中的至少一个包括立体角结构,例如立体角型三角锥体,立体角型腔,具有反射层的立体角型三棱锥,具有反射层的立体角型腔,以及 类似。
    • 8. 发明申请
    • TRANSPARENT, WAVELENGTH-SELECTIVE RETROREFLECTOR
    • 透明,波长选择性反馈器
    • US20100277801A1
    • 2010-11-04
    • US11993331
    • 2006-06-26
    • Toshitaka Nakajima
    • Toshitaka Nakajima
    • G02B5/124
    • G02B5/0816G02B5/122G02B5/124G02B5/208G02B5/26G02B5/282
    • A transparent wavelength-selective retroreflector (100) that retroreflects light within a specific wavelength range and is transparent to visible light. A transparent wavelength-selective retroreflector allows visible light to pass therethrough and selectively retroreflects light within a specific wavelength range. One preferred embodiment of a transparent, wavelength-selective retroreflector includes an optical structure layer (101) that is made of a light transmissible material and a wavelength selective reflective layer (102). At least one of the front or rear surfaces includes a cube corner structure, such as cube-corner type trigonal pyramids, cube-corner type cavities, cube-corner type trigonal pyramids with reflective layers, cube-corner type cavities with reflective layers, and the like.
    • 透明的波长选择性后向反射器(100),其将特定波长范围内的光反射并对可见光透明。 透明的波长选择性后向反射器允许可见光通过,并且选择性地回射特定波长范围内的光。 透明波长选择性后向反射器的一个优选实施例包括由透光材料制成的光学结构层(101)和波长选择反射层(102)。 前表面或后表面中的至少一个包括立体角结构,例如立体角型三角锥体,立体角型腔,具有反射层的立体角型三棱锥,具有反射层的立体角型腔,以及 类似。