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    • 21. 发明授权
    • Circuit and method for driving motor
    • 电机驱动电路及方法
    • US08456118B2
    • 2013-06-04
    • US12795842
    • 2010-06-08
    • Masahiro Nakamura
    • Masahiro Nakamura
    • H02K29/08
    • H02P6/15H02P2209/07
    • A cycle counter generates a cycle signal which indicates, in the form of a digital value, the cycle of Hall signals H+ and H− that indicate the position of a rotor of a motor to be driven. An up/down counter repeatedly alternates between counting “up” and counting “down” upon detecting phase transitions that occur in the Hall signals, and generates a digital driving waveform signal having a sloping region the slope of which is set according to the cycle signal. A D/A converter receives the driving waveform signal, and converts the driving waveform signal thus received into an analog voltage. A driving unit supplies a driving voltage to the motor according to the analog voltage thus received.
    • 周期计数器产生循环信号,其以数字形式表示指示要驱动的电动机的转子位置的霍尔信号H +和H的周期。 在检测到霍尔信号中发生的相位变化时,向上/向下计数器反复交替地计数“向上”和“向下”计数,并产生一个数字驱动波形信号,其具有根据循环信号设置其斜率的倾斜区域 。 D / A转换器接收驱动波形信号,并将所接收的驱动波形信号转换为模拟电压。 驱动单元根据如此接收的模拟电压向马达提供驱动电压。
    • 26. 发明授权
    • Stereomicroscope
    • 立体显微镜
    • US07599114B2
    • 2009-10-06
    • US11325423
    • 2006-01-05
    • Masahiro Nakamura
    • Masahiro Nakamura
    • G02B21/00
    • G02B21/22
    • Providing a compact lightweight stereomicroscope securing a light weight necessary for carrying, capable of securing stability upon attaching a camera. The stereomicroscope includes a base 1 that places a sample thereon, a microscope body 9 having a pair of left and right observation optical systems for observing the sample and a photographing optical system that leads the light from the sample substantially corresponding to the focusing center of the observation optical systems to a imaging means 17, a column 3 that is disposed on the base 1 and supports the microscope body 9, a support means that supports the imaging means 17, and a connecting means 13 that rotatably connects the microscope body 9 to the column 3. An optical axis I of the photographing optical system becomes substantially parallel to a rotation axis O of the connecting means.
    • 提供紧凑轻巧的立体显微镜,确保承载所需的轻量,能够确保安装相机时的稳定性。 立体显微镜包括在其上放置样品的基底1,具有用于观察样本的一对左和右观察光学系统的显微镜主体9以及来自基本上对应于样品的聚焦中心的样品的光的拍摄光学系统 观察光学系统到成像装置17,设置在基座1上并支撑显微镜主体9的柱3,支撑成像装置17的支撑装置和将显微镜主体9可旋转地连接到显示器主体9的连接装置13 拍摄光学系统的光轴I基本上平行于连接装置的旋转轴线O。
    • 28. 发明授权
    • Printer and head unit fabricating method
    • 打印机和头单元制造方法
    • US07360866B2
    • 2008-04-22
    • US11247144
    • 2005-10-12
    • Osamu KitagawaMasayuki MuraiSeiji MochizukiMasahiro Nakamura
    • Osamu KitagawaMasayuki MuraiSeiji MochizukiMasahiro Nakamura
    • B41J2/145B41J2/15
    • B41J2/155B41J2202/20
    • In a head unit of a printer, a head (5A) has outlet rows (611, 612, 621 and 622) arranged along a first tilt direction and a gap between outlets in the outlet rows (611 and 612) is interpolated with a outlet in the outlet rows (621 and 622) by a slight tilt. A head (5C) adjacent to the head (5A) is tilted in a second tilt direction opposite to the first tilt direction. In the printer, a plurality of dots are formed, being aligned on a piece of printing paper in the first tilt direction by performing an ejection control simultaneously for all outlets in each outlet row of the head (5A) and subsequently a plurality of dots are formed, being aligned on the piece of printing paper in the second tilt direction by performing an ejection control simultaneously for all the outlets in each outlet row of the head (5C), to make both rows of dots continuous. Through this operation, the printer can easily perform high-resolution printing without such a complicate ejection control as to control ejection of ink for each outlet (7).
    • 在打印机的头单元中,头部(5A)具有沿着第一倾斜方向布置的出口排(611,612,621和622),并且出口行(611和612)中的出口之间的间隙被插入 出口行(621和622)中的出口略微倾斜。 与头部(5A)相邻的头部(5C)在与第一倾斜方向相反的第二倾斜方向上倾斜。 在打印机中,通过对头部(5A)的每个出口排中的所有出口同时执行喷射控制,并且随后形成多个点,形成多个点,其以第一倾斜方向对准在一张打印纸上 通过对头部(5C)的每个出口排中的所有出口同时执行喷射控制,使得两行连续地形成,在第二倾斜方向上对准在打印纸上。 通过这种操作,打印机可以容易地执行高分辨率打印,而不需要如此复杂的喷射控制来控制每个出口(7)的墨水喷射。
    • 30. 发明授权
    • Oil-based ink composition for ink-jet recording
    • 用于喷墨记录的油性油墨组合物
    • US07125447B2
    • 2006-10-24
    • US10491158
    • 2003-07-16
    • Yukio SugitaMitsuyoshi TamuraMasahiro NakamuraSeiji MochizukiMakoto Otsuki
    • Yukio SugitaMitsuyoshi TamuraMasahiro NakamuraSeiji MochizukiMakoto Otsuki
    • C09D11/02
    • C09D11/36
    • An oil-based ink composition for ink jet recording of the present invention contains a colorant and at least 50% by weight of a mixed solvent made by mixing from 0.02 to 4 parts by weight of a lactone-type solvent with 1 part by weight of polyoxyethylene glycol dialkyl ether represented by the following general formula (1): R11—(OC2H4)n—OR12  General Formula (1) (wherein R11, R12 represent alkyl groups having from 1 to 3 carbon atoms and can be the same or different, and n is an integer from 2 to 4). The oil-based ink composition can be suitably used for printing on a polyvinyl chloride substrate and is excellent in all of print quality, printing stability, dry characteristics of printed matter, and storage stability of ink.
    • 本发明的喷墨记录用油性油墨组合物含有着色剂和至少50重量%的混合溶剂,将0.02〜4重量份的内酯型溶剂与1重量份的 由以下通式(1)表示的聚氧乙烯二醇二烷基醚:<?in-line-formula description =“In-line formula”end =“lead”?> R 11 - (OC < 通式(1)<?in-line-formula description =“In (其中R 11,R 12)表示具有1至3个碳原子的烷基并且可以相同或不同, n为2〜4的整数)。 油性油墨组合物可以适合用于在聚氯乙烯基材上进行印刷,并且在印刷质量,印刷稳定性,印刷物的干燥特性以及油墨的储存稳定性方面均优异。