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    • 1. 发明授权
    • Apparatus for converting encoded data into image data, including data
preparing circuit, to allow enlargement or reduction of image
    • 用于将编码数据转换为图像数据的装置,包括用于在逆DCT变换之前增加或删除DCT系数数据块的高频部分中的DCT系数数据的数据准备电路,以允许放大或缩小图像
    • US5453788A
    • 1995-09-26
    • US194179
    • 1994-02-09
    • Makoto MatsushimaRyo Fukui
    • Makoto MatsushimaRyo Fukui
    • H03M7/30G06T3/40G06T9/00H04N1/41H04N5/262H04N7/12H04N19/132H04N19/162H04N19/42H04N19/48H04N19/60H04N19/625H04N19/91
    • H04N5/2628G06T3/4084H04N19/176H04N19/18H04N19/48H04N19/527H04N19/59H04N19/86H04N19/90H04N7/12H04N19/124H04N19/132H04N19/60
    • An image processing apparatus includes: a first transforming device for transforming encoded data into discrete cosine transform coefficient data segmented into processing blocks, each block being formed of a matrix of m.times.n pixels; and a setting device for setting the values of M and N defining the size of a matrix forming each processing block used in inverse discrete cosine transform. The image processing apparatus also includes a data preparing circuit for adding discrete cosine transform coefficient data to, or deleting discrete cosine transform coefficient data from, a high-frequency domain of the discrete cosine transform coefficient data and segmented into processing blocks, each block being formed of a matrix of m.times.n pixels, and for preparing discrete cosine transform coefficient data segmented into processing blocks, each block being formed of a matrix of M.times.N pixels; a second transforming device for subjecting the discrete cosine transform coefficient data prepared by the data preparing circuit to inverse discrete cosine transform, so that image data can be output; and an outputting device for outputting image data output from the second transforming device and segmented into processing blocks as continuous image data.
    • 一种图像处理装置包括:第一变换装置,用于将编码数据变换成分割成处理块的离散余弦变换系数数据,每个块由m×n个像素的矩阵形成; 以及设定装置,用于设定定义形成用于逆离散余弦变换的每个处理块的矩阵的大小的M和N的值。 该图像处理装置还包括数据准备电路,用于将离散余弦变换系数数据加到离散余弦变换系数数据的高频域中,或者从其离散余弦变换系数数据中删除离散余弦变换系数数据,并将其分割成处理块,形成每个块 的m×n像素的矩阵,并且用于准备分割成处理块的离散余弦变换系数数据,每个块由M×N个像素的矩阵形成; 第二变换装置,用于对由数据准备电路准备的离散余弦变换系数数据进行逆离散余弦变换,从而可以输出图像数据; 以及输出装置,用于输出从第二变换装置输出并被分割成处理块的图像数据作为连续图像数据。
    • 2. 发明申请
    • PULSE WIDTH MODULATION SIGNAL GENERATING CIRCUIT
    • 脉冲宽度调制信号发生电路
    • US20080203933A1
    • 2008-08-28
    • US12061360
    • 2008-04-02
    • Makoto Matsushima
    • Makoto Matsushima
    • H05B37/02H03K7/08
    • H05B33/0818H03K7/08H05B33/0848Y02B20/346
    • A PWM signal generating circuit outputs a stable PWM signal for increasing and deceasing a duty ratio at a predetermined rate within a predetermined period without requiring an improvement of a process capacity of a CPU as compared to a conventional PWM signal generating circuit. The PWM signal generating circuit consists of a plurality of circuit elements each of which outputs a digital signal. A first counter circuit periodically changes a PWM signal output therefrom into an active state. A second counter circuit changes the PWM signal, which has been changed into the active state by the first counter circuit, into an inactive state within each cycle. The second counter circuit increases and decreases an active-to-inactive time period from a time when the PWM signal is changed into the active state to a time when the PWM signal is changed into the inactive state.
    • PWM信号发生电路输出稳定的PWM信号,用于在预定时间段内以预定速率增加和减少占空比,而不需要改进CPU的处理能力,而不是传统的PWM信号发生电路。 PWM信号产生电路由多个电路元件组成,每个电路元件输出数字信号。 第一计数器电路将从其输出的PWM信号周期性地改变为活动状态。 第二计数器电路将已经被第一计数器电路改变为活动状态的PWM信号在每个周期内变为非活动状态。 第二计数器电路从PWM信号变为有效状态的时刻到PWM信号变为不活动状态的时刻,增加和减少从有源到非活动时间段。
    • 8. 发明授权
    • Pulse width modulation signal generating circuit
    • 脉宽调制信号发生电路
    • US07953145B2
    • 2011-05-31
    • US12061360
    • 2008-04-02
    • Makoto Matsushima
    • Makoto Matsushima
    • H03K7/08H03K9/08
    • H05B33/0818H03K7/08H05B33/0848Y02B20/346
    • A PWM signal generating circuit outputs a stable PWM signal for increasing and decreasing a duty ratio at a predetermined rate within a predetermined period without requiring an improvement of a process capacity of a CPU as compared to a conventional PWM signal generating circuit. The PWM signal generating circuit consists of a plurality of circuit elements each of which outputs a digital signal. A first counter circuit periodically changes a PWM signal output therefrom into an active state. A second counter circuit changes the PWM signal, which has been changed into the active state by the first counter circuit, into an inactive state within each cycle. The second counter circuit increases and decreases an active-to-inactive time period from a time when the PWM signal is changed into the active state to a time when the PWM signal is changed into the inactive state.
    • PWM信号发生电路输出用于在预定时间内以预定速率增加和减小占空比的稳定PWM信号,而不需要改善CPU的处理能力,而不是传统的PWM信号发生电路。 PWM信号产生电路由多个电路元件组成,每个电路元件输出数字信号。 第一计数器电路将从其输出的PWM信号周期性地改变为活动状态。 第二计数器电路将已经被第一计数器电路改变为活动状态的PWM信号在每个周期内变为非活动状态。 第二计数器电路从PWM信号变为有效状态的时刻到PWM信号变为不活动状态的时刻,增加和减少从有源到非活动时间段。
    • 10. 发明授权
    • Pulse with modulation signal generating circuit
    • 具有调制信号发生电路的脉冲
    • US07372902B2
    • 2008-05-13
    • US10695839
    • 2003-10-29
    • Makoto Matsushima
    • Makoto Matsushima
    • H03K7/08H03K9/08
    • H05B33/0818H03K7/08H05B33/0848Y02B20/346
    • A PWM signal generating circuit outputs a stable PWM signal for increasing and deceasing a duty ratio at a predetermined rate within a predetermined period without requiring an improvement of a process capacity of a CPU as compared to a conventional PWM signal generating circuit. The PWM signal generating circuit consists of a plurality of circuit elements each of which outputs a digital signal. A first counter circuit periodically changes a PWM signal output therefrom into an active state. A second counter circuit changes the PWM signal, which has been changed into the active state by the first counter circuit, into an inactive state within each cycle. The second counter circuit increases and decreases an active-to-inactive time period from a time when the PWM signal is changed into the active state to a time when the PWM signal is changed into the inactive state.
    • PWM信号发生电路输出稳定的PWM信号,用于在预定时间段内以预定速率增加和减少占空比,而不需要改进CPU的处理能力,而不是传统的PWM信号发生电路。 PWM信号产生电路由多个电路元件组成,每个电路元件输出数字信号。 第一计数器电路将从其输出的PWM信号周期性地改变为活动状态。 第二计数器电路将已经被第一计数器电路改变为活动状态的PWM信号在每个周期内变为非活动状态。 第二计数器电路从PWM信号变为有效状态的时刻到PWM信号变为不活动状态的时刻,增加和减少从有源到非活动时间段。