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    • 42. 发明授权
    • Comparator circuit and infrared signal receiving apparatus
    • 比较电路和红外信号接收装置
    • US06693466B2
    • 2004-02-17
    • US10293563
    • 2002-11-14
    • Takahiro InoueNaruichi YokogawaTakeshi Nishino
    • Takahiro InoueNaruichi YokogawaTakeshi Nishino
    • H03K5153
    • H03K5/2418H03K3/02337H03K3/2897
    • The present invention has an object to control easily the pulse width of an output by operating a limiting circuit appropriately even if the power voltage is low. A limiting circuit is provided on the input side of a hysteresis comparator circuit to prevent saturation. A limit voltage Vlimit is set by a bias circuit so as to change in accordance with the operation of the hysteresis comparator circuit. When an input voltage Vsig exceeds a hysteresis threshold voltage Vth, the limit voltage Vlimit is dropped in response to a drop of the hysteresis threshold voltage Vth. Thus, the width of the pulse width can be controlled while maintaining the condition that the limit voltage Vlimit is higher than the hysteresis threshold voltage Vth.
    • 本发明的目的是即使电源电压低,也可以适当地操作限制电路来容易地控制输出的脉冲宽度。 在滞环比较器电路的输入侧提供限制电路以防止饱和。 极限电压Vlimit由偏置电路设置,以便根据滞后比较器电路的操作而改变。 当输入电压Vsig超过滞后阈值电压Vth时,极限电压Vlimit响应于滞后阈值电压Vth的下降而下降。 因此,可以控制脉冲宽度的宽度,同时保持极限电压Vlimit高于滞后阈值电压Vth的条件。
    • 43. 发明授权
    • Developing device comprising a magnetic member
    • 显影装置,包括磁性构件
    • US5781835A
    • 1998-07-14
    • US556697
    • 1995-11-13
    • Keiji OkanoTakahiro InoueMasaki OjimaSeiji Yamaguchi
    • Keiji OkanoTakahiro InoueMasaki OjimaSeiji Yamaguchi
    • G03G15/08G03G15/09G03G21/18G03G21/00
    • G03G15/0921G03G15/09
    • A developing device includes a developer container for accommodating one component magnetic toner; a rotatable toner carrying member, faced to an image bearing member for bearing an electrostatic image to form a developing zone therebetween, for carrying the toner in the container; a magnet member in the toner carrying member; a regulating member, elastically urged to the toner carrying member to form a nip therebetween, for regulating a toner layer thickness on the toner carrying member; wherein the magnet member has a magnetic pole, upstream of the nip with respect to a movement direction of the toner carrying member, for supplying the toner in the container to the toner carrying member, and wherein the magnet member does not generate a magnetic field effective for chain erection of the toner in a range from an upstream end of the nip to a downstream end of the developing zone.
    • 显影装置包括用于容纳单组分磁性调色剂的显影剂容器; 可旋转的调色剂承载构件,面对用于承载静电图像以在其间形成显影区域的图像承载构件,用于将调色剂携带在容器中; 调色剂承载构件中的磁体构件; 调节构件,弹性地推压到调色剂承载构件上以在其间形成辊隙,用于调节调色剂承载构件上的调色剂层厚度; 其中所述磁体构件具有相对于所述调色剂承载构件的移动方向的所述辊隙上游的磁极,用于将所述容器中的调色剂供应到所述调色剂承载构件,并且其中所述磁体构件不产生有效的磁场 用于在从间隙的上游端到显影区的下游端的范围内链式调色剂。
    • 47. 发明授权
    • Image forming apparatus having a ventilated image forming unit
    • 具有通风图像形成单元的图像形成装置
    • US5038174A
    • 1991-08-06
    • US575370
    • 1990-08-30
    • Junichi KatoMasahiro GotoKoichi SuwaHideyuki YanoTakahiro Inoue
    • Junichi KatoMasahiro GotoKoichi SuwaHideyuki YanoTakahiro Inoue
    • G03G15/00G03G21/00G03G21/18G03G21/20
    • G03G21/1814G03G21/206G03G2221/1645G03G2221/1669G03G2221/1693G03G2221/183
    • An image forming apparatus has an image forming unit which is detachably mounted in the stationary main part of the apparatus. The unit includes an image carrier with a photosensitive layer, a charging device capable of electrostatically charging the image carrier in contact therewith, and a housing supporting the image carrier and the charging device and provided with an exposure opening. An air flow is positively formed such that, with the image forming unit mounted in a predetermined mounting portion in the apparatus, air flows from regions near both ends of the image carrier towards the exposure opening past a region where the charging device contacts the image carrier. With this arrangement, ozone generated in the image forming unit due to operation of the contact type charging device is efficiently carried away from the image forming unit, thus eliminating generation of image defects attributable to presence of ozone and other discharge products.
    • 图像形成装置具有可拆卸地安装在装置的固定主要部分中的图像形成单元。 该单元包括具有感光层的图像载体,能够使图像载体与其接触地静电充电的充电装置,以及支撑图像载体和充电装置并具有曝光开口的壳体。 空气流被积极地形成,使得在图像形成单元安装在装置中的预定安装部分中的情况下,空气从图像载体的两端附近的区域朝向曝光开口流过经过充电装置接触图像载体的区域 。 利用这种布置,由于接触式充电装置的操作而在图像形成单元中产生的臭氧被有效地从图像形成单元传送出去,从而消除了由臭氧和其它放电产物的存在引起的图像缺陷的产生。
    • 50. 发明授权
    • Proximity sensor and electronic device
    • 接近传感器和电子设备
    • US08823682B2
    • 2014-09-02
    • US13298950
    • 2011-11-17
    • Isamu KawabeTakahiro Inoue
    • Isamu KawabeTakahiro Inoue
    • G06F3/042
    • G06F1/1684G06F1/1643H03K17/941H03K2217/94108
    • A proximity sensor (1) includes a state updating section (22) and a control section (5). The state updating section (22) updates state information. In a case where the state information is updated with a state (ST1) or a state (ST4), the control section (5) supplies, to the outside of the proximity sensor (1), a signal (S6) indicating that at an object (B) to be detected does not come close to the proximity sensor (1). In a case where the state information is updated with a state (ST2) or a state (ST3), the control section (5) supplies, to the outside of the proximity sensor (1), a signal (S6) indicating that the object (B) to be detected comes close to the proximity sensor (1).
    • 接近传感器(1)包括状态更新部(22)和控制部(5)。 状态更新部(22)更新状态信息。 在以状态(ST1)或状态(ST4)更新状态信息的情况下,控制部分(5)向接近传感器(1)的外部提供指示在 要检测的物体(B)不靠近接近传感器(1)。 在以状态(ST2)或状态(ST3)更新状态信息的情况下,控制部分(5)向接近传感器(1)的外部提供指示对象的信号(S6) (B)接近接近传感器(1)。