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    • 61. 发明申请
    • IMAGE PROCESSING APPARATUS AND COMPUTER-READABLE RECORDING MEDIUM WHICH RECORDS IMAGE PROCESSING PROGRAM
    • 图像处理设备和记录图像处理程序的计算机可读记录介质
    • US20080232684A1
    • 2008-09-25
    • US12039800
    • 2008-02-29
    • Hiroyuki Harada
    • Hiroyuki Harada
    • G06K9/00
    • G06K9/344G06K9/2018G06K9/325G06K9/4652G06K2209/01H04N1/46
    • An image processer has an extractor to extract a character area from color image data. A color-difference-value acquirer acquires information about color-difference values in the character area. A color-saturation-value acquirer acquires information about color saturation in the character area. A color-difference-subrange storage stores pre-defined color-difference subranges. A chromatic-region determination section determines the character area as gray when color salutation values fail to satisfy a condition for a chromatic color, and determines the character area as a chromatic region when color saturation values in the character area satisfy the condition. A first color-difference-subrange assignment section assigns a stored color-difference subrange to the character area determined as the chromatic region based on information about color-difference values. A representative-color setup section sets color information about the character area determined as chromatic by using an average of the color-difference values in the color-difference subrange assigned to the character area.
    • 图像处理器具有从彩色图像数据中提取字符区域的提取器。 色差值获取器获取关于字符区域中的色差值的信息。 颜色饱和度获取器获取关于字符区域中的颜色饱和度的信息。 色差子存储存储预定义的色差子范围。 当色彩值不满足彩色条件时,色区域确定部分确定字符区域为灰色,并且当字符区域中的色彩饱和度值满足该条件时,将该字符区域确定为彩色区域。 第一色差子分配部分基于关于色差值的信息将存储的色差子范围分配给确定为彩色区域的字符区域。 代表颜色设置部分通过使用分配给字符区域的色差子区域中的色差值的平均值来设置关于被确定为彩色的字符区域的颜色信息。
    • 62. 发明申请
    • Image forming apparatus
    • 图像形成装置
    • US20080037079A1
    • 2008-02-14
    • US11891201
    • 2007-08-09
    • Hiroyuki Harada
    • Hiroyuki Harada
    • H04N1/04
    • H04N1/00002H04N1/00013H04N1/00018H04N1/00031H04N1/0005H04N1/00063H04N1/00087H04N1/0009H04N1/00795H04N1/00814H04N1/00816
    • An image forming apparatus is capable of accurately reading out a document without various data transmission between a document feeding section and a document reading section. The reading position setter sets a fresh document reading position (RP3) at a position where no foreign object (F) adheres. A shift distance calculator calculates a shift distance (Z) between an upstream-most reading position (RP2) and the refresh document reading position (RP3). A delay time calculator calculates delay time based on the calculated shift distance (Z). A start signal sender instructs the document reading section to start reading a document (P) when the leading end of the document (P) reaches the upstream-most reading position (RP2). An ASIC outputs the instruction to start reading the document to an A/D with a delay of the feed delay time found by the delay time calculator to instruct an image sensor to start reading the document (P).
    • 图像形成装置能够在文件馈送部分和文档读取部分之间没有各种数据传输的情况下准确地读出文档。 读取位置设定器在没有异物(F)粘附的位置设置新的文档读取位置(RP 3)。 换档距离计算器计算最上游读取位置(RP 2)和刷新文档读取位置(RP 3)之间的移动距离(Z)。 延迟时间计算器根据计算出的移位距离(Z)计算延迟时间。 当文件(P)的前端到达上游读取位置(RP 2)时,起始信号发送器指示文档读取部分开始读取文档(P)。 ASIC以延迟时间计算器发现的进给延迟时间的延迟,输出开始读取文档到A / D的指令,以指示图像传感器开始读取文件(P)。
    • 63. 发明授权
    • Direct-current motor
    • 直流电动机
    • US06720697B2
    • 2004-04-13
    • US10022980
    • 2001-12-17
    • Hiroyuki HaradaTakeshi TanakaToshihiro Tanino
    • Hiroyuki HaradaTakeshi TanakaToshihiro Tanino
    • H02K2304
    • H02K23/04
    • The armature of a direct-current motor is formed by an armature core and armature coils. The core includes teeth, which are arranged at a pitch of a predetermined angle. The coils are wound about every group of selected teeth of a predetermined number. Two magnets face each other with the armature in between. Each magnet includes main portion, an extended portion, which extends from the main portion, and a first weak flux part. The first weak flux part is located in the vicinity of the border of the extended portion and the main portion. The first weak flux part extends along one pitch of the teeth. The flux of the first weak flux part gradually increases along the rotation direction of the armature. The motor also includes a commutator, which has segments. The segments are connected to each coil. A pair of brushes can contact each segment. The brushes supply current to the coils through the segments. During commutation, each brush establishes a short circuit in an adjacent pair of the segments, thereby changing the direction of current flowing through the coil. When commutation is started, the advancing end of the first tooth in one of the teeth groups, the first tooth being located at the most advanced position in the group in the rotation direction of the armature, is aligned with the first weak flux part of one of the magnets.
    • 直流电动机的电枢由电枢铁芯和电枢线圈形成。 芯部包括以预定角度的间距布置的齿。 线圈围绕预定数量的每组选定的牙齿缠绕。 两个磁体彼此面对,衔铁位于两者之间。 每个磁体包括主要部分,从主要部分延伸的延伸部分和第一弱磁通部分。 第一弱通量部分位于延伸部分和主要部分的边界附近。 第一弱通量部分沿齿的一个间距延伸。 第一弱磁通部分的磁通沿电枢的旋转方向逐渐增大。 电机还包括一个具有段的换向器。 这些段连接到每个线圈。 一对画笔可以联系每个片段。 电刷通过片段向线圈提供电流。 在换向期间,每个电刷在相邻的一对片段中建立短路,从而改变流过线圈的电流的方向。 当换向开始时,齿轮组中的一个齿组中的第一齿的前进端在电枢的旋转方向上位于组中最前进位置处,与第一齿的第一弱通量部分对准 的磁铁。
    • 69. 发明授权
    • Paper conveying device
    • 纸张输送装置
    • US5395104A
    • 1995-03-07
    • US186761
    • 1994-01-25
    • Hiroyuki HaradaYasuhiko Kida
    • Hiroyuki HaradaYasuhiko Kida
    • B65H5/02B65H9/00G03G15/00
    • G03G15/60Y10S271/902
    • A paper conveying device overruns a document from a stop position and then, switches the document back so that the end of the document collies with a document abutting member provided in the stop position. At this time, the amount of overrun and the amount of switchback of the document are respectively set to the minimum ones required, to reduce the stress applied to the document, and the most suitable control is carried out even in a special mode (SDF mode) in which the document conveying speed is low. More specifically, at the time of the SDF mode, even if a stop instruction is given at timing T2, timing at which a conveying motor is turned off is delayed by a short time .increment.T. A distance A' from the timing T2 to the time when the conveying motor is completely stopped is detected, and the conveying motor is rotated in the reverse direction by a distance B' equal to the distance A'. The conveying motor is rotated in the reverse direction by position control. Consequently, in not only an ADF mode in which the document is conveyed at the standard speed but also the SDF mode in which the conveying speed is low, running distance data required for switchback control is obtained, thereby to make it possible to carry out the most suitable position control.
    • 纸张输送装置从停止位置超过文件,然后将文件切换回,使得文档的末端与设置在停止位置的文件抵靠构件相吻合。 此时,将文件的超限量和转回量分别设定为所需的最小值,以减少施加到文档的应力,并且甚至在特殊模式(SDF模式)中也执行最合适的控制 ),其中文件传送速度较低。 更具体地说,在SDF模式时,即使在定时T2中给出了停止指令,传送马达被关闭的定时被延迟很短时间INCREMENT T.从时刻T2到 检测到输送马达完全停止的时间,并且输送马达沿相反方向旋转距离等于距离A'的距离。 输送马达通过位置控制反向旋转。 因此,不仅以标准速度传送文件的ADF模式,而且在传送速度低的SDF模式下,获得转向控制所需的行驶距离数据,从而可以执行 最合适的位置控制。