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    • 3. 发明授权
    • Iron sulfide and process for producing the same
    • 硫化铁及其制造方法
    • US6056935A
    • 2000-05-02
    • US952591
    • 1997-11-24
    • Tadashi KaiYuji MatsueMasaaki SakuraiKunihiro ImadaKenji Inokuchi
    • Tadashi KaiYuji MatsueMasaaki SakuraiKunihiro ImadaKenji Inokuchi
    • B01J27/043C01G49/12C10G1/08
    • B01J27/043C01G49/12C10G1/086
    • The invention provides an iron sulfide characterized in that it comprises FeS.sub.2, Fe.sub.1-x S, Fe.sub.3 O.sub.4 and FeSO.sub.4, and that the secondary particles thereof, have a 50% volume-cumulative particle diameter of from 20 to 300 .mu.m. The invention also provides a process for producing an iron sulfide comprising the steps of introducing (a) ferrous sulfate monohydrate having a d.sub.50 of from 20 to 300 .mu.m and (b) not less than stoichiometric amount of at least one sulfur compound selected from elemental sulfur and hydrogen sulfide into the fluidized bed of a furnace and then fluidizing, burning, and reacting the ingredients at a temperature of from 350 to less than 630.degree. C., a superficial velocity of 0.1 m/sec or higher, and a pressure of 1 atm or higher using air as a fluidizing gas.
    • PCT No.PCT / JP96 / 01395 Sec。 371日期:1997年11月24日 102(e)日期1997年11月24日PCT提交1996年5月24日PCT公布。 公开号WO96 / 37296 日期:1996年11月28日本发明提供一种硫化铁,其特征在于,其包含FeS 2,Fe 1-xS,Fe 3 O 4和FeSO 4,并且其二次粒子具有20〜300μm的体积累积粒径的50%。 本发明还提供一种生产硫化铁的方法,包括以下步骤:(a)d50为20-300μm的硫酸亚铁一水合物,和(b)不少于化学计量的至少一种选自元素的硫化合物 硫和硫化氢进入炉的流化床,然后在350至小于630℃,表面速度为0.1m / sec或更高的温度下流化,燃烧和反应成分,压力为 1大气压或更高,使用空气作为流化气体。
    • 4. 发明授权
    • Image processing apparatus and method thereof for adding a predetermined
pattern to an image
    • 用于将预定图案添加到图像的图像处理装置及其方法
    • US5557416A
    • 1996-09-17
    • US125831
    • 1993-09-24
    • Nobuatsu SasanumaMasaaki SakuraiRie Saito
    • Nobuatsu SasanumaMasaaki SakuraiRie Saito
    • H04N1/00H04N1/29G01D15/14G03G21/00
    • H04N1/00843H04N1/00848H04N1/00867H04N1/0087
    • When a predetermined pattern (e.g. a pattern indicating the serial number of a copying machine) is added on an image formed on a recording paper, the image formation apparatus suppresses the appearance of fog by the addition of a predetermined pattern in the vicinity of the image. More particularly, a control circuit, which inputs and processes an image signal, estimates the leading and ending edge positions of the recording paper with respect to the transferring direction. The edge which is perpendicular to the transferring direction of the recording paper is determined based on a signal obtained from an ITOP generation circuit and a BD detector. Accordingly, an effective area for image formation on the recording paper is obtained and a modulation amount for adding the predetermined pattern is controlled in accordance with the position on the recording paper at which the predetermined pattern is added.
    • 当在形成在记录纸上的图像上添加预定图案(例如,表示复印机的序列号的图案)时,图像形成装置通过在图像附近添加预定图案来抑制雾化的出现 。 更具体地,输入和处理图像信号的控制电路相对于传送方向估计记录纸的前端和后端位置。 基于从ITOP生成电路和BD检测器获得的信号来确定与记录纸的传送方向垂直的边缘。 因此,获得用于记录纸上的图像形成的有效区域,并且根据添加了预定图案的记录纸上的位置来控制用于添加预定图案的调制量。
    • 9. 发明授权
    • Fixing device
    • 固定装置
    • US4640600A
    • 1987-02-03
    • US541071
    • 1983-10-12
    • Hiromitsu HirabayashiMasaaki Sakurai
    • Hiromitsu HirabayashiMasaaki Sakurai
    • G03G15/20
    • G03G15/2064G03G15/2025
    • A fixing device includes a first rotatable member and a second rotatable member for gripping and transporting a recording material to fix a material to be fixed having a predetermined electric polarity onto the recording material, the first rotatable member being positioned to be contacted with the face of the recording material bearing the material to be fixed, and the second rotatable member to be contacted with a back face of the recording material, and at least one of the first and second rotatable members having a surface applied with an electrification agent for generating electric charge through friction with recording material for formation of an electrical field for attaching the material to be fixed onto the recording material.
    • 定影装置包括第一可旋转构件和第二可旋转构件,用于夹持和传送记录材料以将具有预定电极性的待固定材料固定在记录材料上,第一可旋转构件定位成与 所述记录材料承载待固定的材料,并且所述第二可旋转构件与所述记录材料的背面接触,并且所述第一和第二可旋转构件中的至少一个具有施加有用于产生电荷的带电剂的表面 通过与用于形成用于将要固定的材料附着到记录材料上的电场的记录材料的摩擦。