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    • 3. 发明授权
    • Head positioning control system for disk drives each formed by
assembling disks after servo control information is written externally
on respective disks and disk drive
    • 伺服控制信息从外部写入各自的磁盘和磁盘驱动器上,通过组装磁盘形成的磁盘驱动器的磁头定位控制系统
    • US5995318A
    • 1999-11-30
    • US821165
    • 1997-03-20
    • Susumu HasegawaYukihiro UematsuKeiji ArugaShuichi HashimotoKazuhiko Takaishi
    • Susumu HasegawaYukihiro UematsuKeiji ArugaShuichi HashimotoKazuhiko Takaishi
    • G11B5/55G11B5/596G11B21/08G11B21/10
    • G11B5/59627G11B21/085G11B5/5547
    • Disclosed is a head positioning control system for disk drives which enables fast access even when eccentricities of tracks defined with servo control information relative to the center of rotation are different among disks assembled after the servo control information is externally written on the respective disks. The head positioning control system is adapted to a disk drive comprising a plurality of disks each having a record surface on which servo control information indicating positions in a radial direction on a disk is recorded, and heads associated with the plurality of disk record surfaces and designed to detect information stored on the plurality of disk record surfaces. The servo control information includes position information in the radial direction on each disk record surface and defines servo-control circular trajectories. In addition to known components, the head positioning control system includes an eccentric information memory for storing eccentric information concerning eccentricities of servo-control circular trajectories on disk record surfaces relative to the center of rotation, and an optimal processing unit that when object disk record surfaces are changed according to an instructed target address, executes processing, which requires the shortest time for accessing a target address, on the basis of eccentric information.
    • 公开了一种用于盘驱动器的头定位控制系统,即使在伺服控制信息被外部写在各个盘上之后组装的盘之间,即使在由相对于旋转中心的伺服控制信息定义的轨道的偏心量不同的情况下也能够快速进入。 磁头定位控制系统适用于磁盘驱动器,磁盘驱动器包括多个磁盘,每个磁盘具有记录表面,伺服控制信息指示在盘上的径向方向上的位置,并且与多个磁盘记录表面相关联的磁头被设计 以检测存储在多个盘记录表面上的信息。 伺服控制信息包括每个磁盘记录表面上的径向位置信息,并且定义伺服控制圆形轨迹。 除了已知的部件之外,头部定位控制系统还包括偏心信息存储器,用于存储与磁盘记录表面相对于旋转中心的伺服控制圆形轨迹偏心的偏心信息,以及最佳处理单元,当对象盘记录表面 根据指示的目标地址而改变,基于偏心信息执行需要最短时间访问目标地址的处理。
    • 4. 发明授权
    • Character and symbol pattern generator based on skeleton data including
thickness calculation
    • 基于骨骼数据的字符和符号模式生成器,包括厚度计算
    • US5870107A
    • 1999-02-09
    • US634802
    • 1996-04-19
    • Masayuki FujisawaSusumu HasegawaYutaka ShigiYoshiko ImakiMinehiro Konya
    • Masayuki FujisawaSusumu HasegawaYutaka ShigiYoshiko ImakiMinehiro Konya
    • G09G5/24G06T11/20G09G5/26G06F17/00
    • G06T11/203
    • A character and symbol pattern generator includes a skeleton data storage device for storing beforehand, for every skeleton pattern. Skeleton data includes coordinate data of each skeleton point at which changes occur at least in the stroke direction of skeleton pattern for forming characters and symbols, two thickness data which represent lengths of two thickness segments of a stroke on the start and end points of the skeleton pattern, and two angle data which represent angles of the two thickness segments with respect to the stroke direction or the horizontal direction. An input device is used to designate the kind and size of the character and symbol. A thickness data calculating device calculates thickness data of each skeleton point from the two thickness data of the start and end points and the coordinate data of each skeleton point. An angle data calculating device calculates angle data of the thickness segment of each skeleton point from the two angle data of the start and end points and the coordinate data of each skeleton point. An outline data generating device generates outline data from the skeleton data and from the thickness data and the angle data of each skeleton point calculated by the calculating devices respectively. A character and symbol pattern synthesizing device synthesizes character and symbol patterns based on the outline data. An output device outputs the character and symbol patterns.
    • 字符和符号图案生成器包括用于每个骨架图案预先存储的骨架数据存储装置。 骨架数据包括至少在用于形成字符和符号的骨架图案的笔划方向上发生变化的每个骨架点的坐标数据,两个厚度数据,其表示骨架的起点和终点上的笔画的两个厚度段的长度 图案和两个角度数据,其表示两个厚度段相对于行程方向或水平方向的角度。 输入设备用于指定字符和符号的种类和大小。 厚度数据计算装置从起点和终点的两个厚度数据和每个骨架点的坐标数据计算每个骨架点的厚度数据。 角度数据计算装置从起点和终点的两个角度数据和每个骨架点的坐标数据计算每个骨架点的厚度段的角度数据。 轮廓数据生成装置从骨架数据和由计算装置计算出的各骨架点的厚度数据和角度数据分别生成轮廓数据。 字符和符号图案合成装置基于轮廓数据合成字符和符号图案。 输出设备输出字符和符号图案。
    • 8. 发明授权
    • Character pattern generator
    • 字符模式发生器
    • US5959635A
    • 1999-09-28
    • US730308
    • 1996-10-11
    • Hajime WatanabeSusumu Hasegawa
    • Hajime WatanabeSusumu Hasegawa
    • B41J5/44G06F17/21G06T5/30G06T11/20G09G5/24G06T3/40
    • G06T11/203
    • A character pattern generator includes a ROM for storing font data and attribute information of each point of each stroke forming the font data, and a CPU for recognizing a portion to be transformed of a contour shape of the stored font data based on the attribute information of each point. The CPU further adds to the recognized portion to be transformed, a control point for performing transformation into a character pattern having a specified typeface code. The CPU then calculates the coordinates of the control point based on a factor at each point of each stroke of the font data. The CPU then transforms the contour shape by using the added control point and the font data. Finally, the CPU generates the character pattern having the specified typeface code based on the contour shape of the transformed font data.
    • 字符图形生成器包括用于存储字体数据的ROM和形成字体数据的每个笔画的每个点的属性信息,以及用于基于所存储的字体数据的属性信息来识别所存储的字体数据的轮廓形状的部分的CPU 每一点。 CPU进一步添加到要被变换的识别部分,用于执行转换为具有指定字体代码的字符图案的控制点。 然后CPU基于字体数据的每个笔画的每个点处的因子来计算控制点的坐标。 然后,CPU通过使用添加的控制点和字体数据来转换轮廓形状。 最后,CPU基于变换的字体数据的轮廓形状生成具有指定字体代码的字符图案。
    • 9. 发明授权
    • Character pattern producing apparatus capable of producing character
pattern having connected character elements
    • 能够产生具有连接字符元素的字符图形的字符图形生成装置
    • US5920324A
    • 1999-07-06
    • US823548
    • 1997-03-25
    • Susumu HasegawaYuka YabuuchiMasayuki Fujisawa
    • Susumu HasegawaYuka YabuuchiMasayuki Fujisawa
    • B41J5/44G06F3/12G06T11/20G09G5/20G09G5/24G06F3/14
    • G06T11/203G09G5/20G09G5/246
    • The storing portion stores character skeleton form information indicating a skeleton form shared between a plurality of fonts for the elements of a corresponding character, element contour shape information indicating the contour shapes of elements for each font, and element skeleton form information indicating the skeleton forms of elements for each font. The determination portion determines whether or not a element corresponding to a font code and a character code input by the input portion is to be subjected to a cursive processing with another element. The first modification portion modifies information indicating the skeleton form of a set of elements to be processed corresponding to the prescribed font into a processable form. The second modification portion modifies the element skeleton form information of the set of elements based on information indicating the modified skeleton forms. The third modification portion modifies the element contour shape information of the set of elements based on the element skeleton form information modified by the second modification portion. The connection portion connects the contour shapes of the set of elements based on the element contour shape information modified by the third modification portion. The pattern producing portion produces a character pattern, using element contour shape information corresponding to the connected contour shapes.
    • 存储部存储表示在对应字符的元素的多个字体之间共享的骨架形式的字符骨架形状信息,表示各字体的元素的轮廓形状的元素轮廓形状信息,以及表示各个字体的骨架形状的元素骨架形状信息 每个字体的元素。 确定部分确定对应于由输入部分输入的字体代码和字符代码的元素是否将被另一元素进行草书处理。 第一修改部分将表示要对应于规定字体的要处理的一组元素的骨架形状的信息修改为可处理形式。 第二修改部分基于指示修改的骨架形式的信息来修改元素集合的元素骨架形式信息。 第三修改部分基于由第二修改部分修改的元素骨架形式信息修改元素集合的元素轮廓形状信息。 连接部分基于由第三修改部分修改的元素轮廓形状信息来连接该组元素的轮廓形状。 图案生成部使用与所连接的轮廓形状对应的元素轮廓形状信息来生成字符图案。