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    • 85. 发明申请
    • Apparatus for and Method of Forming Image Using Oscillation Mirror
    • 使用振荡镜形成图像的装置和方法
    • US20090052916A1
    • 2009-02-26
    • US12235068
    • 2008-09-22
    • Yujiro NOMURAKen IKUMA
    • Yujiro NOMURAKen IKUMA
    • G03G15/043
    • H04N1/053H04N1/00525H04N1/1135H04N1/12H04N2201/04713H04N2201/04732H04N2201/04744
    • As a scanning light beam which is scanning and traveling away from an effective image region moves passed the location of a sensor, a horizontal synchronizing signal Hsync is obtained as a first detection signal. A deflection mirror surface turns around, thereby reversing the direction in which the scanning light beam scans. This scanning light beam therefore scans an effective image region IR, and a latent image forming operation using this scanning light beam is controlled based on the horizontal synchronizing signal Hsync. Hence, there is a relatively long period of time (T4+T5) since the horizontal synchronizing signal Hsync is obtained until formation of a latent image starts in accordance with the signal Hsync. This secures sufficient time for control of the latent image forming operation based on the horizontal synchronizing signal Hsync, and hence, realizes the latent image forming operation as desired during the time T6.
    • 当扫描并远离有效图像区域移动的扫描光束通过传感器的位置时,获得水平同步信号Hsync作为第一检测信号。 偏转镜面转过来,从而反转扫描光束扫描的方向。 因此,该扫描光束扫描有效图像区域IR,并且基于水平同步信号Hsync来控制使用该扫描光束的潜像形成操作。 因此,由于根据信号Hsync,直到形成潜像直到获得水平同步信号Hsync为止,所以存在相当长的时间段(T4 + T5)。 这确保了足够的时间来控制基于水平同步信号Hsync的潜像形成操作,因此,在时间T6期间,根据需要实现潜像形成操作。
    • 87. 发明申请
    • Image Forming Device and Control Method Thereof
    • 图像形成装置及其控制方法
    • US20090016761A1
    • 2009-01-15
    • US12146290
    • 2008-06-25
    • Satoshi CHIBAKen IKUMA
    • Satoshi CHIBAKen IKUMA
    • G03G15/00G03G21/00
    • G03G15/10G03G21/0058G03G2221/0005
    • An image forming device includes a developer carrier for carrying a liquid developer, a latent image carrier to which a latent image is developed by the developer carrier, a charging member for charging the latent image carrier, an exposure device for exposing the latent image carrier, a latent image carrier cleaning roller for applying a bias to clean the latent image carrier, a latent image carrier cleaning blade having contact with the latent image carrier and for scraping out the developer on the latent image carrier, and a cleaning process control section for cleaning the latent image carrier in a condition in which a charging bias of the charging member is applied, the developer carrier has contact with the latent image carrier, and the bias of the latent image carrier cleaning roller is applied to the latent image carrier cleaning roller.
    • 图像形成装置包括用于承载液体显影剂的显影剂载体,潜像由显影剂载体显影的潜像载体,用于对潜像载体充电的充电构件,用于使潜像载体曝光的曝光装置, 用于施加偏压以清洁潜像载体的潜像载体清洁辊,与潜像载体接触并用于刮去潜像载体上的显影剂的潜像载体清洁刮板,以及清洁处理控制部分,用于清洁 在施加充电构件的充电偏压的条件下,潜像载体与显影剂载体接触,潜像载体清洁辊的偏压被施加到潜像载体清洁辊。
    • 88. 发明申请
    • Image Forming Method and Apparatus
    • 图像形成方法和装置
    • US20080253808A1
    • 2008-10-16
    • US12138266
    • 2008-06-12
    • Hiroshi TOYAMAYujiro NOMURAKen IKUMA
    • Hiroshi TOYAMAYujiro NOMURAKen IKUMA
    • G03G15/04
    • B41J2/471G02B26/105H04N1/40037H04N1/4055
    • An image forming method using an image forming apparatus including: a latent image carrier whose surface is driven in a sub scanning direction; a deflector which scans a beam spot reciprocally in a main scanning direction substantially perpendicular to the sub scanning direction on the surface of the latent image carrier in the use of an oscillating deflect mirror so as to form spot latent images each of which formed on a pixel; developer which develops each of the spot latent images as a pixel-dot, the method includes of: halftoning for a tone reproduction in which a halftone-dot constituted by the pixel-dot(s) is formed on a cell consisting plural pixels according to a fattening type threshold matrix, wherein a plurality of cells are contiguously arranged in the main scanning direction so as to form a plurality of contiguous locations at each of which the cells adjoin mutually in the main scanning direction, each cell includes a larger-than-four even number of pixels in the sub scanning direction, and the cells, which mutually adjoin at a particular contiguous location out of the plurality of contiguous locations, are mutually shifted by an odd number of pixel(s) in the sub scanning direction.
    • 一种使用图像形成装置的图像形成方法,包括:潜像载体,其表面沿副扫描方向驱动; 偏转器,其使用振荡偏转镜,在潜像载体的表面上基本上垂直于副扫描方向的主扫描方向上往复地扫描光束点,以形成每个形成在像素上的点潜像 ; 显影剂将每个点潜像显影为像素点,该方法包括:对于由多个像素构成的单元形成由像素点构成的半色调点的色调再现的半色调,根据 育肥型阈值矩阵,其中多个单元在主扫描方向上连续排列,以便在每个单元在主扫描方向上相互相邻地形成多个连续位置,每个单元包括大于 在子扫描方向上的四个偶数个像素,并且在多个相邻位置中的特定连续位置处相互邻接的单元在副扫描方向上相互移位奇数个像素。
    • 89. 发明申请
    • Image Forming Apparatus, Image Forming System, and Image Forming Method
    • 图像形成装置,图像形成系统和图像形成方法
    • US20080247771A1
    • 2008-10-09
    • US12138284
    • 2008-06-12
    • Toru FUJITAMasahide NAKAMURAFuminori YANOKen IKUMA
    • Toru FUJITAMasahide NAKAMURAFuminori YANOKen IKUMA
    • G03G15/08
    • G03G15/10G03G15/50G03G2215/0658
    • An image forming apparatus includes a turnable image bearing body for bearing a latent image; a turnable developer bearing body for bearing liquid developer, the developer bearing body and the image bearing body being pressed in contact with each other at a predetermined press-contact position, the developer bearing body being capable of carrying the liquid developer toward the press-contact position by turning, the image forming apparatus performing development of the latent image, which is bore by the image bearing body, with the liquid developer that has been carried toward the press-contact position; and a controller for causing the development of the latent image to start after a predetermined period of time has passed from when the turning speed of the developer bearing body and the image bearing body reached a predetermined turning speed for development at which the development is performed.
    • 图像形成装置包括用于承载潜像的可转动图像承载体; 用于承载液体显影剂的可转动的显影剂承载体,显影剂承载体和图像承载体在预定的压力接触位置彼此接触地挤压,显影剂承载体能够将液体显影剂运送到压力接触 通过转动位置,图像形成装置执行由图像承载体打孔的潜像的展开与已经被携带到液压显影剂的压力接触位置的位置; 以及用于在从显影剂承载体和图像承载体的转动速度达到用于显影的显影的预定转动速度过去一段预定时间后使潜像显影开始的控制器。
    • 90. 发明申请
    • Exposure Head Controller, Exposure Head and Image Formation Device
    • US20080240756A1
    • 2008-10-02
    • US12133829
    • 2008-06-05
    • Mitsukazu KUROSEYujiro NOMURAKiyoshi TSUJINOKen IKUMA
    • Mitsukazu KUROSEYujiro NOMURAKiyoshi TSUJINOKen IKUMA
    • G03G15/043
    • G06K15/12G06K19/07716G06K19/07718G06K19/07758
    • Provided is an exposure head controller that controls, via pulse width modulation control, the emission quantity of each light emitting element in an exposure head having a light emitting element array formed by arranging a plurality of light emitting elements in a main scanning direction and a sub scanning direction orthogonal thereto, comprising: a data retention unit that retains dot gathering control data showing whether to emit each light emitting element at the starting point side, terminal point side or in the middle of an emission period corresponding to a 1 pixel pitch in the sub scanning direction, or to divide and emit each light emitting element at the starting point side and terminal point side, emission time data showing the emission time of each light emitting element, and skew data showing the skew quantity of each light emitting element; a dot gathering operation circuit provided to each light emitting element and which operates the time in which the light emitting element is to be retained in a non-emission state from the starting point of the emission based on the dot gathering control data input from the data retention unit; a delay time measurement circuit that acquires the skew data from the data retention unit and acquires the non-emission time data showing the retention time in the non-emission state from the dot gathering operation circuit, adding these to seek the delay time to be set before starting the emission of the light emitting element, measuring the delay time, and outputting a prescribed signal after the lapse of the delay time; and an emission instruction circuit that outputs to a light emitting element drive circuit an emission instruction signal for instructing the emission of the light emitting element from the point in time the emission time data is acquired from the data retention unit and a prescribed signal is output from the delay time measurement circuit up to the elapse of the emission time indicated by the emission time data.