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    • 122. 发明授权
    • Paper feeding apparatus for printer
    • 打印机供纸装置
    • US5419543A
    • 1995-05-30
    • US94899
    • 1993-07-22
    • Shinya NakamuraYoshiaki Tanaka
    • Shinya NakamuraYoshiaki Tanaka
    • B41J13/10B65H3/44
    • B41J13/10Y10T74/19367
    • A paper feeding apparatus of the present invention, in which it is adapted such that a paper tray holding plural sheets of paper in a pile is supported by a fulcrum for rotation round the same and the paper tray is rotated by a paper setting mechanism so that the topmost copy paper of the paper held in the paper tray is brought into abutment with a feed roller and fed to a printing portion. As the drive power source of the paper setting mechanism and the feed roller, a constituent of a paper feeding mechanism, is used only a single motor rotatable in both normal and reverse directions. The normal or reverse rotation of the motor is selectively transmitted by a drive gear mechanism to the paper setting mechanism or the paper feeding mechanism, and thereby, it is made possible to selectively drive either the paper setting mechanism or the paper feeding mechanism using only a single motor. Thus, it is made possible to make the apparatus smaller and to reduce the cost of parts.
    • 一种本发明的送纸装置,其特征在于,其适于使得在纸张中保持多张纸的纸托由支撑件支撑在其周围旋转,并且纸盘由纸张设置机构旋转,使得 保持在纸盘中的纸张的最上面的复印纸与进给辊抵接并供给到打印部分。 作为纸张设置机构的驱动电源和进给辊,供纸机构的组成部分仅使用可在正向和反向两个方向上旋转的单个电机。 电动机的正转或反向旋转通过驱动齿轮机构选择性地传递到纸张设置机构或供纸机构,从而可以仅使用纸张设置机构或送纸机构来选择性地驱动 单电机。 因此,可以使装置更小并降低部件的成本。
    • 124. 发明授权
    • Printer having ribbon mask for reducing interference with recording sheet
    • 打印机具有色带面罩,可减少与记录纸的干扰
    • US5154521A
    • 1992-10-13
    • US700258
    • 1991-05-15
    • Yoshiaki TanakaKozo HaraKiyotaka Nihashi
    • Yoshiaki TanakaKozo HaraKiyotaka Nihashi
    • B41J35/26
    • B41J35/26
    • In a printer having a platen, a print head disposed opposite to the platen, and a ribbon mask fixedly provided on the print head and having a masking plate provided with an aperture to expose only the front end of the print head to the platen, an ink ribbon is extended through a space between the platen and the print head, and the masking plate is disposed between the platen and the ink ribbon to shield a recording sheet wound round the platen from the ink ribbon. The aperture of the masking plate has inclined edges inclined to a direction perpendicular to the direction of movement of the print head so as to intersect a platen center obliquely. In case the side edge of a floating portion of the recording sheet is caught in the aperture of the masking plate while the print head is moved, the side edge slides along the inclined edge to escape from the aperture, so that the side edge is not caught in the aperture of the masking plate.
    • 在具有压板的打印机中,与压板相对设置的打印头和固定地设置在打印头上的色带掩模,并且具有设置有仅将打印头的前端暴露于压板的孔的掩模板, 墨带延伸通过压板和打印头之间的空间,并且掩模板设置在压板和墨带之间,以将卷绕在压板上的记录纸从墨带上屏蔽。 掩模板的孔径具有相对于与打印头的移动方向垂直的方向倾斜的倾斜边缘,以便倾斜地与压板中心相交。 在打印头移动时记录纸的浮动部分的侧边缘被夹在掩模板的孔中的情况下,侧边缘沿着倾斜边缘滑动以从孔中逸出,使得侧边缘不 卡在掩模板的孔中。
    • 125. 发明授权
    • Method for manufacturing oxide high-temperature superconductor
    • 氧化物高温超导体的制造方法
    • US5145829A
    • 1992-09-08
    • US396620
    • 1989-08-22
    • Toshihisa AsanoYoshiaki TanakaMasao FukutomiHiroshi Maeda
    • Toshihisa AsanoYoshiaki TanakaMasao FukutomiHiroshi Maeda
    • C04B35/00C01G1/00C04B35/45H01B12/00H01B13/00H01L39/24
    • H01L39/2419C04B35/4525Y10S505/739Y10S505/74
    • A compacted and highly oriented microstructure of the bulk-shaped Bi-Sr-Ca-Cu-O system oxide superconductor is obtained by the intermediate pressing method of the present invention. The growth rate of the high critical temperature phase in the bulk of Pb-doped Bi-Sr-Ca-Cu-O system oxide superconductor is also much improved and the sintering duration for obtaining a single phase having a high critical temperature is shorteneed by this method. Additionally, a higher critcal current density of Bi-Sr-Ca-Cu-O system oxide superconductor is obtained by the working under pressure process after cooling between a first and a second sintering step. Furthermore, the magnetic field dependence of the critical current density of Bi-Sr-Ca-Cu-O system oxide superconductor is also improved by the method of the present invention. The thus intermediate pressing process between the first and second sintering step of the present invention may be applied so easily as to facilitate the manufacture of tapes, wires, discs or the like of the Bi-Sr-Ca-Cu-O system oxide superconductor.
    • 通过本发明的中间压制方法获得块状Bi-Sr-Ca-Cu-O系氧化物超导体的压实且高度取向的微观结构。 Pb掺杂的Bi-Sr-Ca-Cu-O体系氧化物超导体的大部分高临界温度相的生长速度也大大提高,并且获得具有高临界温度的单相的烧结持续时间通过这种短路 方法。 另外,Bi-Sr-Ca-Cu-O系氧化物超导体的Critcal电流密度通过在第一和第二烧结步骤冷却之后的加压工艺得到。 此外,通过本发明的方法也提高了Bi-Sr-Ca-Cu-O系氧化物超导体的临界电流密度的磁场依赖性。 本发明的第一和第二烧结步骤之间的这样的中间压制方法可以容易地应用,以便于Bi-Sr-Ca-Cu-O系氧化物超导体的带,线,盘等的制造。
    • 130. 发明授权
    • Pulse amplifier
    • 脉冲放大器
    • US3971961A
    • 1976-07-27
    • US536653
    • 1974-12-26
    • Mamoru InamiYoshiaki TanakaTsuyoshi Ono
    • Mamoru InamiYoshiaki TanakaTsuyoshi Ono
    • G09G3/288H03K5/02H03K5/12H03K3/26H03K5/08H03K19/36
    • H03K5/02G09G3/288G09G3/296H03K5/12
    • A pulse amplifier has a first grounded emitter transistor arranged to receive input pulses to change its on-off states in accordance with the presence and absence of the applied pulses and a pair of second and third transistors having their collectors connected in common to a power supply. The second transistor has its base connected to the collector of the first transistor and its emitter connected to the base of the third transistor. The third transistor has its emitter connected to an output terminal from which a high voltage heavy current pulse is obtained so that the pair of transistors change their on-off states alternately with the first transistor. A semiconductor circuit is connected across the emitter and base of the second transistor to instantly put the base potential of the third transistor to a level equal to the base potential of the second transistor when the second transistor changes its state from conducting to nonconducting to thereby assure short decay time at the trailing edge of the output pulse.
    • 脉冲放大器具有第一接地发射极晶体管,其布置成根据所施加脉冲的存在和不存在接收输入脉冲以改变其导通截止状态;以及一对具有共同连接到电源的集电极的第二和第三晶体管 。 第二晶体管的基极连接到第一晶体管的集电极,其发射极连接到第三晶体管的基极。 第三晶体管的发射极连接到输出端子,从该输出端子获得高电压大电流脉冲,使得该对晶体管与第一晶体管交替地改变其导通截止状态。 半导体电路跨越第二晶体管的发射极和基极连接,当第二晶体管将其状态从导通状态改变为不导通时,立即将第三晶体管的基极电位置于等于第二晶体管的基极电位的电平,从而确保 在输出脉冲后沿的短衰减时间。