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    • 24. 发明授权
    • Piezoelectric ink jet head
    • 压电喷墨头
    • US07111928B2
    • 2006-09-26
    • US10848914
    • 2004-05-19
    • Kenichi SatakeKenichi Yoshimura
    • Kenichi SatakeKenichi Yoshimura
    • B41J2/045
    • B41J2/14233B41J2002/14266
    • The present invention is directed to a piezoelectric ink jet head wherein the partition walls that separate the adjacent recesses that make the pressure chambers are formed to have such a cross sectional shape as the width W1 in the planar direction at the upper end on the side of the substrate where the drive section is formed and height H in the direction of substrate thickness satisfy the expression (1): W1≧H  (1) while the width W1 and W2 of the lower end at the bottom of the recess of the substrate in the planar direction satisfy the expression (2): W1≦W2  (2) in order to prevent the dot size and dot shape of the picture to be formed from varying as the state of driving the individual drive regions or the state of driving the individual piezoelectric elements are influenced by the state of driving the other plurality of drive regions or the state of driving the individual piezoelectric elements that surround the former.
    • 本发明涉及一种压电喷墨头,其中分离形成压力室的相邻凹部的分隔壁形成为具有在平面方向上的宽度W 1 1的横截面形状 在形成有驱动部的基板侧的上端,基板厚度方向的高度H满足式(1):&lt;线内公式说明=“在线公式”end =“ “1”<1 = H(1)<?in-line-formula description =“In-line Formulas”end =“tail”?>而宽度W 1 < 在基板的凹部的底部的下端的平面方向的/ SUB&gt;和W 2&lt; 2&lt; 2&gt;满足式(2):&lt;?in-line-formula description =“In-line 公式“end =”lead“?> W <1> <= W <2> <2 in-line-formula description =”In-line Formulas“end =” 尾“→>,以防止由驱动th的状态变化而形成图像的点尺寸和点形状 单个驱动区域或驱动各个压电元件的状态受驱动其它多个驱动区域的状态或围绕前者的各个压电元件的驱动状态的影响。
    • 25. 发明授权
    • Actuator drive control device for active vibration isolation support system, and method of using same
    • 主动隔振支撑系统的执行器驱动控制装置及其使用方法
    • US07025342B2
    • 2006-04-11
    • US10862822
    • 2004-06-07
    • Hirotomi NemotoAtsushi AbeTakashi MatsuuraKenichi Yoshimura
    • Hirotomi NemotoAtsushi AbeTakashi MatsuuraKenichi Yoshimura
    • F16F15/00
    • F16F15/027B60K5/1208F16F13/268
    • In an actuator drive control device for an active vibration isolation support system, accumulated time of eight time intervals tn of crank pulses which are outputted at every 15 degrees of a crank angle in a vibration period corresponding to 120 degrees of the crank angle, and average accumulated time shown by a straight line connecting a start point and an end point of the line of the accumulated time are calculated. Eight deviations Δtn are calculated by subtracting the average accumulated time from the accumulated time. A variation waveform of the deviations Δtn corresponds to a variation waveform of the time interval tn of the crank pulses attributable only to the engine vibration with the influence of a variation in the engine rotational speed Ne being eliminated. Therefore, the vibration isolation function of an active vibration isolation support system can be effectively executed by controlling an actuator of the active vibration isolation support system based on the engine vibration which is estimated from the variation waveform of the time interval tn. Thus, the active vibration isolation support system is precisely controlled by accurately estimating a vibration state of the engine when the engine rotational speed increases and decreases.
    • 在用于主动隔振支撑系统的致动器驱动控制装置中,在对应于曲柄角度的120度的振动周期中,在曲轴角度的每15度输出的曲柄脉冲的八个时间间隔tn的累积时间和平均 计算通过连接累积时间的线的起始点和终点的直线所示的累积时间。 通过从累积时间减去平均累积时间来计算八个偏差Deltatn。 偏差Deltatn的变化波形对应于仅消除发动机转速Ne的变化的影响的仅归因于发动机振动的曲柄脉冲的时间间隔tn的变化波形。 因此,通过基于从时间间隔tn的变化波形推定的发动机振动来控制主动隔振支撑系统的致动器,可以有效地执行主动隔振支撑系统的隔振功能。 因此,当发动机转速增加和减小时,通过精确地估计发动机的振动状态来精确地控制主动隔振支撑系统。
    • 27. 发明授权
    • Piezoelectric ceramic composition
    • 压电陶瓷组合物
    • US5648012A
    • 1997-07-15
    • US577204
    • 1995-12-21
    • Makoto HigashibeppuTomohiro KawamotoTomonori EguchiKenichi YoshimuraKatsuhiko OnitsukaHarumi Hayashi
    • Makoto HigashibeppuTomohiro KawamotoTomonori EguchiKenichi YoshimuraKatsuhiko OnitsukaHarumi Hayashi
    • C04B35/491H01L41/187C04B35/49
    • C04B35/491H01L41/187
    • A piezoelectric ceramic composition comprising a perovskite compound which contains, as metal components, Pb, Sr, Zr, Ti, Nb, Cr, Y, Co and at least one element selected from La, Gd, Nd, Sm and Pr, and may further contain Sb or Na, wherein when the composition formula is expressed as,(Pb.sub.1-x-.alpha.-y Sr.sub.x Na.sub..alpha. M.sub.y).sub.a [(Nb.sub.b Y.sub.c Cr.sub.d Co.sub.e Sb.sub..beta.).sub.f Ti.sub.g Zr.sub.1-f-g ]O.sub.3,wherein M is at least one element selected from La, Gd, Nd, Sm and Pr, then, x, y, a, b, c, d, e, f, g, .alpha. and .beta. satisfy the following relationships, 0.005.ltoreq.x.ltoreq.0.08, 0.002.ltoreq.y.ltoreq.0.05, 0.95.ltoreq.a.ltoreq.1.05, 0.47.ltoreq.b.ltoreq.0.70, 0.02.ltoreq.c.ltoreq.0.31, 0.11.ltoreq.d.ltoreq.0.42, 0.01.ltoreq.e.ltoreq.0.12, 0.02.ltoreq.f.ltoreq.0.15, 0.46.ltoreq.g.ltoreq.0.52, 0.ltoreq..alpha..ltoreq.0.005, 0.ltoreq..beta..ltoreq.0.13, and b+c+d+e+.beta.=1.00. The piezoelectric ceramic composition of the present invention exhibits a high electromechanical coupling coefficient Kp, a low mechanical quality factor Qm, a low dielectric constant .epsilon.r, excellent heat resistance, and can be preferably used as a piezoelectric part for being mounted on the surface and, particularly, as a digital piezoelectric.
    • 一种包含钙钛矿化合物的压电陶瓷组合物,其包含Pb,Sr,Zr,Ti,Nb,Cr,Y,Co和选自La,Gd,Nd,Sm和Pr中的至少一种元素作为金属成分,并且还可以进一步 含有Sb或Na,其中当组成式表示为(Pb1-x-α-ySrxNaαMy)a [(NbbYcCrdCoeBb)fTigZr1-fg] O3时,其中M为选自La,Gd, Nd,Sm和Pr,则x,y,a,b,c,d,e,f,g,α和β满足以下关系:0.005≤x≤0.08,0.002< /=0.05,0.95
    • 30. 发明授权
    • Light-emitting device
    • 发光装置
    • US08674392B2
    • 2014-03-18
    • US13580791
    • 2011-01-27
    • Kenichi YoshimuraHiroshi FukunagaKohsei TakahashiNaoto Hirosaki
    • Kenichi YoshimuraHiroshi FukunagaKohsei TakahashiNaoto Hirosaki
    • H01L33/00
    • H01L33/504C09K11/0883C09K11/64C09K11/7734C09K11/7792H01L2224/48091H01L2224/73265H01L2924/181H05B33/14Y02B20/181H01L2924/00012H01L2924/00014
    • Disclosed is a light-emitting device that exhibits good color rendering and highly efficiently emits white light in an incandescent bulb color range. The semiconductor light-emitting device (1) of the present invention includes: a semiconductor light-emitting element (2) that emits blue light; a green phosphor (14) that absorbs the blue light and emits green light; and an orange phosphor (13) that absorbs the blue light and emits orange light. The orange phosphor (13) produces an emission spectrum having a peak at a wavelength of equal to or greater than 590 nm but equal to or less than 630 nm and having a full width at half maximum of 130 nm or greater at the peak, the full width at half maximum of the emission spectrum of the orange phosphor (13) being broader than a full width at half maximum of an emission spectrum of the green phosphor (14). The orange phosphor (13) exhibits an absorptance having a peak wavelength of 420 nm or greater. ABS(530) and ABS(MAX) satisfy a relation, ABS(530)/ABS(MAX)
    • 本发明公开了一种显示良好的显色性且高效率地在白炽灯泡颜色范围内发出白光的发光装置。 本发明的半导体发光器件(1)包括:发射蓝光的半导体发光元件(2); 吸收蓝色光并发出绿色光的绿色荧光体(14); 以及吸收蓝色光并发出橙色光的橙色荧光体(13)。 橙色荧光体(13)产生在波长等于或大于590nm但等于或小于630nm并且在峰值处具有130nm或更大的半峰全宽的发射光谱, 橙色荧光体(13)的发射光谱的一半的全宽比绿色荧光体(14)的发射光谱的半峰全宽。 橙色荧光体(13)表现出峰值波长为420nm以上的吸收率。 ABS(530)和ABS(MAX)满足ABS(530)/ ABS(MAX)<0.60的关系,其中ABS(MAX)是其峰值波长处的橙色磷光体(13)的吸收率,ABS )是在530nm波长处的橙色荧光体(13)的吸收率。