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    • 61. 发明授权
    • Filler detection method and filler detection device
    • 填料检测方法和填料检测装置
    • US06931929B2
    • 2005-08-23
    • US10408656
    • 2003-04-08
    • Takashi SakaiMinoru Kaneko
    • Takashi SakaiMinoru Kaneko
    • G01F23/22G01N3/00G01N29/12G01N29/34
    • G01N29/348G01N29/12G01N2291/0251
    • A sine wave electric signal whose frequency continuously varies within a predetermined frequency range is applied to a piezoelectric speaker, whereby a vibration frequency characteristic of the piezoelectric speaker is detected. A change of the frequency characteristic of the piezoelectric speaker when the piezoelectric speaker is brought into contact with concrete filled into a precast concrete form is detected based on the vibration frequency characteristic detected. With this unique feature, a filling status of concrete in the precast concrete form can exactly be detected independently of the hardness of water contained in the concrete and ambient temperature, and even if a temperature difference between air and the concrete is small.
    • 在压电扬声器中施加频率在预定频率范围内连续变化的正弦波电信号,从而检测压电扬声器的振动频率特性。 基于检测到的振动频率特性,检测压电扬声器与填充为预制混凝土形式的混凝土接触时的压电扬声器的频率特性的变化。 具有这种独特的特征,混凝土在预制混凝土形式中的填充状态可以独立于混凝土和环境温度下的水的硬度,即使空气和混凝土之间的温差很小也能够被检测到。
    • 62. 发明授权
    • Toner developing device for an image forming apparatus
    • 用于图像形成装置的调色剂显影装置
    • US06282394B1
    • 2001-08-28
    • US09408277
    • 1999-09-29
    • Takashi SakaiAtsushi InoueHiroshi TatsumiTakayuki Yamanaka
    • Takashi SakaiAtsushi InoueHiroshi TatsumiTakayuki Yamanaka
    • G03G1508
    • G03G15/0808
    • In a mono component toner developing device, a developing roller supporting and conveying the mono component toner is arranged in contact with a photoreceptor supporting a static latent image. A supplying roller is arranged opposing the developing roller with a predetermined contact depth. The supplying roller has a pair of driven gears fixed at both ends of the rotational shaft thereof for being rotated so as to be meshed with a pair of driving gears rotated by a driving motor. The rotational force of the driving gears, acting at a coupling position, is used to deflect the supplying roller toward the developing roller side, whereby the supplying roller is pressed in approximately uniform contact with the developing roller across its full length along the shaft.
    • 在单组分调色剂显影装置中,支撑和输送单组分调色剂的显影辊被布置成与支持静电潜像的感光体接触。 供给辊以预定的接触深度布置成与显影辊相对。 供给辊具有固定在其旋转轴的两端的一对从动齿轮,以便与由驱动电机旋转的一对驱动齿轮啮合。 作用在联接位置的驱动齿轮的旋转力用于使供给辊朝向显影辊侧偏转,由此,供给辊沿显影辊沿着轴的整个长度与显影辊大致均匀地接触。
    • 63. 发明授权
    • Developing apparatus using one-component toner
    • 显影装置使用单组分调色剂
    • US6026266A
    • 2000-02-15
    • US148077
    • 1998-09-04
    • Takashi SakaiHiroshi IshiiTetsuro ToyoshimaHiroshi TatsumiToshihiko Takaya
    • Takashi SakaiHiroshi IshiiTetsuro ToyoshimaHiroshi TatsumiToshihiko Takaya
    • G03G15/06G03G15/08
    • G03G15/0812G03G15/065G03G2215/0617G03G2215/0634
    • To prevent scattering of toner when an image forming operation is started and ended in a developing process using one-component toner, a rotatable developing roller in contact with a photosensitive member carrying a static latent image, which is used to carry and feed one-component toner, is provided in a developing tank containing one-component toner. Initially, toner is fed to a feed roller, then passed through a toner restricting member which is pressed against the developing roller to restrict the amount of toner to be fed, so that a layer of toner is formed at a fixed thickness and fed into a developing area in contact with the photosensitive member. Thus a static latent image is produced on the developing roller. In this process, a developing bias voltage Va is supplied to the developing roller, a restricting voltage Vb is supplied to the toner restricting member so as to fix the thickness of the toner layer, and a supply voltage Vc is supplied to the feed roller to control the supply of toner. Specifically, the developing bias voltage Va, restricting voltage Vb, and supply voltage Vc are applied to their respective objects before the developing roller begins rotating, thereby minimizing or preventing the scattering or blowing out of toner. Additionally, supply of those voltages Va, Vo, and Vc are stopped after the developing roller stops, which also helps to prevent excess scattering of toner.
    • 为了防止在使用单组分调色剂的显影过程中开始图像形成操作并结束时调色剂的散射,可旋转的显影辊与携带静电潜像的感光部件接触,该感光部件用于承载和供给单组分调色剂 调色剂设置在含有单组分调色剂的显影槽中。 最初,将调色剂送入进料辊,然后通过调色剂限制部件,该调色剂限制部件被压靠在显影辊上,以限制要供给的调色剂的量,使得一层调色剂以固定的厚度形成并供给到 显影区域与感光构件接触。 因此,在显影辊上产生静电潜像。 在该过程中,向显影辊供给显影偏压Va,将限制电压Vb提供给调色剂限制件,以固定调色剂层的厚度,并将供给电压Vc供给到进料辊 控制墨粉的供应。 具体地说,在显影辊开始旋转之前,将显影偏压Va,限制电压Vb和电源电压Vc施加到它们各自的物体上,从而最小化或防止调色剂的散射或吹出。 此外,在显影辊停止之后,停止提供这些电压Va,Vo和Vc,这也有助于防止调色剂的过度散射。
    • 66. 发明授权
    • Apparatus for recording image covered by protective medium
    • 用于记录由保护介质覆盖的图像的装置
    • US5193926A
    • 1993-03-16
    • US619470
    • 1990-11-29
    • Susumu KuzuyaSeiji ShimizuMikio KatoYujiro IshikawaTakashi SakaiEiji Yuki
    • Susumu KuzuyaSeiji ShimizuMikio KatoYujiro IshikawaTakashi SakaiEiji Yuki
    • B41J2/325
    • B41J2/325
    • A recording apparatus including an apparatus body having a front section on the operator's side and a rear section remote from the operator's side, a medium feeding device supported by the apparatus body, for feeding a substantially transparent recording medium along a predetermined feed path defining a boundary between the front and rear sections, such that one of opposite surfaces of the medium faces the operator's side, a recording device disposed in the rear section of the apparatus body, for recording an image on the other surface of the medium, and a control device for controlling the recording device such that the image is laterally reversed as viewed in a first direction from the recording device toward the above-indicated other surface of the medium, with respect to a nominal desired image as viewed in a second direction from the front section toward the one surface of the medium, whereby the laterally reversed image is seen as the nominal desired image when viewed in the second direction.
    • 一种记录装置,包括具有操作者侧的前部和远离操作者侧的后部的装置主体,由装置主体支撑的介质供给装置,用于沿着限定边界的预定进给路径供给基本上透明的记录介质 在所述前部和后部之间,使得所述介质的相对表面中的一个面向操作者侧,设置在所述装置主体的后部中的用于在所述介质的另一表面上记录图像的记录装置,以及控制装置 用于控制所述记录装置,使得当从所述记录装置朝向所述介质的上述另一表面从第一方向观看时,所述图像相对于从所述前部的第二方向观察到的标称所需图像,被横向反转 朝向介质的一个表面,由此当以分光观察时,将横向反转的图像视为标称所需图像 nd方向。
    • 67. 发明授权
    • Device for feeding recording medium in the longitudinal recording
direction
    • 用于沿纵向记录方向进给记录介质的装置
    • US4976558A
    • 1990-12-11
    • US271085
    • 1988-11-14
    • Susumu KuzuyaSeiji ShimizuMikio KatoYujiro IshikawaTakashi SakaiEiji Yuki
    • Susumu KuzuyaSeiji ShimizuMikio KatoYujiro IshikawaTakashi SakaiEiji Yuki
    • B41J11/04B41J15/06
    • B41J15/06B41J11/04
    • A feeding device for feeding a recording medium having a predetermined printing area on one of its opposite surfaces. The printing area extends in a printing direction. The feeding device includes a pair of feed rollers which holds the medium therebetween in rolling contact with the opposite surfaces of the medium. At least one of the pair of feed rollers is driven so as to rotate about an axis perpendicular to the printing direction, to feed the medium in the printing direction. One of the feed rollers which contacts the above-indicated one surface of the medium has an outer circumferential surface which includes a small-diameter portion whose diameter is smaller than that of the other portions. The small-diameter portion is aligned with the printing area in a direction of width of the medium perpendicular to the printing direction, so that the small-diameter portion is prevented from contacting the printed image. The feed rollers may be replaced by a platen roller of a printer. The platen roller is rotated about an axis perpendicular to the printing direction, and cooperates with a print head of the printer to hold and feed the recording medium such that the platen roller and the print head contact the opposite surfaces of the medium. This arrangement also protects the printed image from an adverse influence by a feeding action of the feeding device.
    • 一种用于在其相对表面之一上馈送具有预定打印区域的记录介质的进给装置。 打印区域沿打印方向延伸。 进给装置包括一对进给辊,其将介质保持在与介质的相对表面滚动接触的位置。 一对进给辊中的至少一个被驱动以围绕垂直于打印方向的轴线旋转,以便在打印方向上进给介质。 与介质的上述一个表面接触的进给辊中的一个具有外周面,该外周面包括其直径小于其它部分的直径的小直径部分。 小直径部分沿着与打印方向垂直的介质的宽度方向与打印区域对齐,从而防止小直径部分接触印刷图像。 进给辊可以由打印机的压纸辊代替。 压纸辊围绕垂直于打印方向的轴线旋转,并且与打印机的打印头配合以保持和馈送记录介质,使得压纸辊和打印头与介质的相对表面接触。 这种布置还通过馈送装置的馈送动作保护印刷图像免受不利影响。
    • 68. 发明授权
    • Safety device for a radiator cap
    • 散热器盖的安全装置
    • US4872584A
    • 1989-10-10
    • US226337
    • 1988-07-27
    • Takashi Sakai
    • Takashi Sakai
    • F01P11/02F16J13/24
    • F16J13/24F01P11/0247F01P2011/0261F01P2070/02Y10S220/32
    • The present invention concerns a safety device for a radiator cap detachably mounted on a fluid supply opening for closing the radiator opening. The safety device comprises a lock means for preventing the opening of the radiator cap when the temperature of the coolant in the radiator is higher than a predetermined value. The lock means is provided between the radiator cap and an inner surface of the fluid supply opening. The lock means comprises a lock portion provided on an inner surface of the fluid supply opening and a lock member fixedly secured to the radiator cap. The lock member is formed of a shape memory alloy.
    • 本发明涉及一种用于可拆卸地安装在用于关闭散热器开口的流体供应开口上的散热器盖的安全装置。 该安全装置包括:当散热器中的冷却剂的温度高于预定值时,用于防止散热器盖的打开的锁定装置。 锁定装置设置在散热器盖和流体供应开口的内表面之间。 锁定装置包括设置在流体供应开口的内表面上的锁定部分和固定地固定到散热器盖的锁定部件。 锁定构件由形状记忆合金形成。