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    • 1. 发明授权
    • Recording apparatus having control data selectively designated in memory
which corresponds to one of multiple optical scanning systems
    • 具有与多个光扫描系统中的一个对应的存储器中有选择地指定的控制数据的记录装置
    • US5019913A
    • 1991-05-28
    • US589197
    • 1990-09-27
    • Yukitoshi KiyaTakahiro YagishitaMasayoshi MiyamotoKazuyuki ShimadaHideo AzumaiYoshiharu NiitoKeiichi Iwasaki
    • Yukitoshi KiyaTakahiro YagishitaMasayoshi MiyamotoKazuyuki ShimadaHideo AzumaiYoshiharu NiitoKeiichi Iwasaki
    • G06K15/12H04N1/40
    • H04N1/4005G06K15/1219G06K15/1223G06K15/128H04N1/40037
    • An image recording apparatus includes an image recording media, an optical scanning system selected from among predetermined different optical scanning systems, a first memory for storing a plurality of sets of control data respectively provided for the different optical scanning systems, a switch for specifying one of the predetermined different optical scanning systems provided in the image recording apparatus, and a second memory for storing one of the sets of control data corresponding to the optical scanning system selected from among the predetermined different optical scanning systems. Also, the apparatus includes a main scan controller which generates predetermined timing signals related to the one of the sets of control data stored in the second memory, and a control part for generating a control signal from the one of the sets of control data and the predetermined timing signals and for controlling the optical scanning system on the basis of the control signal so that the optical scanning system actually provided in the image recording apparatus has an optical characteristic based on the one of the sets of control data related to the optical scanning system actually provided in the image recording apparatus.
    • 图像记录装置包括图像记录介质,从预定的不同的光学扫描系统中选择的光学扫描系统,用于存储分别为不同的光学扫描系统提供的多组控制数据的第一存储器, 设置在图像记录装置中的预定的不同的光学扫描系统,以及第二存储器,用于存储与从预定的不同光学扫描系统中选择的光学扫描系统相对应的控制数据组中的一个。 此外,该装置包括主扫描控制器,该主扫描控制器产生与存储在第二存储器中的控制数据组中的一组有关的预定定时信号,以及控制部分,用于从控制数据和控制数据组中的一组生成控制信号 预定定时信号,并根据控制信号控制光学扫描系统,使得实际提供在图像记录装置中的光学扫描系统具有基于与光学扫描系统有关的一组控制数据的光学特性 实际上设置在图像记录装置中。
    • 6. 发明申请
    • MEMORY CONTROL DEVICE
    • 存储控制装置
    • US20080225629A1
    • 2008-09-18
    • US11854372
    • 2007-09-12
    • Keiichi Iwasaki
    • Keiichi Iwasaki
    • G11C8/18
    • G06F13/4243
    • A memory control device is disclosed that comprises a clock generator that generates a reference clock, a DLL circuit that receives the reference clock from the clock generator and outputs an output value indicative of a clock cycle of the reference clock, a delay setting circuit that receives the output value from the DLL circuit and outputs a delay setting value based on the output value according to at least one parameter, and plural delay elements that receive the delay setting value and introduce a delay responsive to the delay setting value. One or more of the delay elements receive input signals from corresponding one or more flip-flops driven by drive clocks generated by the clock generator, and send output signals to corresponding one or more output buffers that are to be connected to a memory.
    • 公开了一种存储器控制装置,其包括产生参考时钟的时钟发生器,从时钟发生器接收参考时钟并输出表示参考时钟的时钟周期的输出值的DLL电路,接收 来自DLL电路的输出值,并且根据至少一个参数输出基于输出值的延迟设定值,以及接收延迟设定值并响应于延迟设定值引入延迟的多个延迟元件。 一个或多个延迟元件从由时钟发生器产生的驱动时钟驱动的对应的一个或多个触发器接收输入信号,并将输出信号发送到要连接到存储器的对应的一个或多个输出缓冲器。
    • 7. 发明授权
    • Memory control device and a delay controller
    • 存储控制装置和延迟控制器
    • US09396789B2
    • 2016-07-19
    • US14879925
    • 2015-10-09
    • Keiichi Iwasaki
    • Keiichi Iwasaki
    • G11C11/4096G11C11/40G11C11/406G11C11/4076G06F13/42G11C7/04G11C7/22
    • G11C11/4076G06F13/1689G06F13/42G11C7/04G11C7/222G11C11/406G11C11/40611G11C11/4096G11C2207/2254Y02D10/14
    • A memory control device includes a plurality of delay circuits to set a delay value for each terminal of a memory, each of the plurality of delay circuits being connected to a terminal of the memory. Further, the memory control device includes a first register to store a first DLL value output by a delay locked loop circuit, a plurality of second registers to store a first setting value to set the delay value for the each terminal of the memory, each of the plurality of second registers being connected to a delay circuit of the plurality of delay circuits, and a delay controller to calculate a second setting value based on the first DLL value, a second DLL value output by the delay locked loop circuit after the first DLL value, and the first setting value, and to update the first setting value to the second setting value.
    • 存储器控制装置包括多个延迟电路,用于为存储器的每个端子设置延迟值,多个延迟电路中的每一个连接到存储器的端子。 此外,存储器控制装置包括:第一寄存器,用于存储由延迟锁定环电路输出的第一DLL值,多个第二寄存器,用于存储第一设定值以设置存储器的每个端子的延迟值, 所述多个第二寄存器连接到所述多个延迟电路的延迟电路,以及延迟控制器,用于基于所述第一DLL值计算第二设定值,所述延迟控制器基于所述第一DLL值,所述延迟锁定环电路在所述第一DLL之后输出的第二DLL值 值和第一设定值,并将第一设定值更新为第二设定值。
    • 8. 发明授权
    • Memory control apparatus and mask timing adjusting method
    • 存储器控制装置和掩模定时调整方法
    • US08432754B2
    • 2013-04-30
    • US13049695
    • 2011-03-16
    • Keiichi Iwasaki
    • Keiichi Iwasaki
    • G11C7/00
    • G11C8/18G11C29/02G11C29/028G11C29/50012
    • A disclosed synchronous memory control apparatus for enabling reception of data read from a memory circuit in synchronism with a strobe signal from the memory circuit includes a mask circuit masking the strobe signal using a mask signal; a timing measuring circuit delaying the strobe signal in plural units of delay and latching data of each of the delayed strobe signals; and a mask generating circuit generating the mask signal. The timing measuring circuit latches the data of each of the delayed strobe signals at the first rise edge of the corresponding masked strobe signal. The mask generating circuit includes a delay circuit having plural units of delay. A start timing of the mask signal is adjusted in synchronism with an internal clock, and a signal having a delay amount corresponding to a selected unit of delay by the delay circuit is outputted as the mask signal.
    • 一种公开的同步存储器控制装置,用于与来自存储器电路的选通信号同步地从存储器电路读取的数据的接收包括使用掩码信号屏蔽选通信号的掩模电路; 定时测量电路延迟所述延迟选通信号中的每一个的延迟和锁存数据的多个单元中的选通信号; 以及产生掩模信号的掩模产生电路。 定时测量电路在对应的屏蔽选通信号的第一个上升沿锁存每个延迟选通信号的数据。 掩模生成电路包括具有多个延迟单位的延迟电路。 屏蔽信号的开始定时与内部时钟同步地被调整,并且输出具有与延迟电路的所选择的延迟单位对应的延迟量的信号作为掩码信号。
    • 9. 发明授权
    • Jitter and skew suppressing delay control apparatus
    • 抖动抑制延迟控制装置
    • US07161854B2
    • 2007-01-09
    • US11167627
    • 2005-06-27
    • Keiichi Iwasaki
    • Keiichi Iwasaki
    • G11C7/00
    • H03L7/0814G11C7/1072G11C7/222H03L7/07H03L7/0805
    • A delay control apparatus includes first and second delay elements each configured to receive and delay a strobe signal and clock by a prescribed delay value. A prescribed number of flip-flops is provided to input data upon receiving the strobe signal output from the second delay element. The second delay element delays and outputs the strobe signal by the prescribed delay value to the flip-flops when the selection device selects the strobe signal. A phase comparator compares clocks output from the first and second delay elements. A delay control device changes the prescribed delay value of the second delay element in accordance with the comparison result of the phase comparator when the selection device selects the clock.
    • 延迟控制装置包括第一和第二延迟元件,每个延迟元件被配置为接收和延迟选通信号和时钟预定的延迟值。 提供规定数量的触发器,用于在接收到从第二延迟元件输出的选通信号时输入数据。 当选择装置选择选通信号时,第二延迟元件将选通信号延迟并输出到触发器。 相位比较器比较从第一和第二延迟元件输出的时钟。 当选择装置选择时钟时,延迟控制装置根据相位比较器的比较结果改变第二延迟元件的规定延迟值。
    • 10. 发明授权
    • Image display control device, method and computer program product
    • 图像显示控制装置,方法和计算机程序产品
    • US5870074A
    • 1999-02-09
    • US747886
    • 1996-11-13
    • Keiichi Iwasaki
    • Keiichi Iwasaki
    • G09G5/18G09G5/30G09G5/32G09G5/377G09G5/38G09G5/42G09G5/22G09G5/26
    • G09G5/42
    • A character table unit stores as attribute data of each character of an image a character name, a horizontal direction character size, a vertical direction character size, a horizontal display coordinate value and, a vertical display coordinate. A counter outputs count values indicating a horizontal position and a vertical position in a display screen image. A first writing control unit reads from the character table unit the attribute data of an appropriate character based on the count values of the counter and the attribute data, produces basic size attribute data of basic size characters which constitute at least part of the character. The basic size character is determined to be currently displayed based on the count values. The basic size character attribute data is written in a hit buffer. A image data memory stores character image data. A second writing control unit reads basic size attribute data from the hit buffer, producing addresses based on the basic size attribute data to read character image data from the image data memory, and writing the character image data into a line buffer. Image data is read from the line buffer, in synchronization with the count value indicating a current horizontal position.
    • 字符表单元将图像的每个字符的属性数据作为字符名称,水平方向字符尺寸,垂直方向字符尺寸,水平显示坐标值和垂直显示坐标存储。 计数器输出指示显示画面图像中的水平位置和垂直位置的计数值。 第一写入控制单元基于计数器和属性数据的计数值从字符表单元读取适当字符的属性数据,生成构成字符的至少一部分的基本大小字符的基本大小属性数据。 根据计数值确定当前显示的基本尺寸字符。 基本大小字符属性数据写入命中缓冲区。 图像数据存储器存储字符图像数据。 第二写入控制单元从命中缓冲器读取基本大小属性数据,根据基本尺寸属性数据产生地址,以从图像数据存储器读取字符图像数据,并将字符图像数据写入行缓冲器。 与指示当前水平位置的计数值同步地从行缓冲器读取图像数据。