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    • 12. 发明申请
    • Display device and automatic synchronization judging circuit
    • 显示设备和自动同步判断电路
    • US20060125747A1
    • 2006-06-15
    • US11297449
    • 2005-12-09
    • Hiroshi TakedaYouji Hirano
    • Hiroshi TakedaYouji Hirano
    • G09G3/36G09G5/00
    • G09G5/008G09G5/006G09G2310/06G09G2340/0407
    • An automatic synchronization judging circuit to be used in a liquid crystal display device is provided which is capable of realizing, by a small-scale circuit, a function of correctly judging a synchronizing signal to serve as a reference signal for displaying operations in any case of combinations of synchronizing signals to be input. The automatic synchronization judging circuit includes a counter and a judging device. The counter, when having counted a DE (Data Enable) signal up to a predetermined number being 1 or more, makes a signal output from the counter go high and stops the counting. The judging device generates a judging signal. If the judging signal is high, the driving mode is judged as a “fixed mode” which uses a vertical synchronizing signal and a horizontal synchronizing signal as the reference signal. If the judging signal is low, the driving mode is judged as a “DE mode” which uses the DE (Data Enable) signal as the reference signal.
    • 提供了一种在液晶显示装置中使用的自动同步判断电路,其能够通过小规模电路实现正确判断同步信号作为参考信号的功能,用于在任何情况下 要输入的同步信号的组合。 自动同步判断电路包括计数器和判断装置。 当计数达到预定数量为1或更大的DE(数据使能)信号时,计数器使得从计数器输出的信号变高并停止计数。 判断装置产生判断信号。 如果判断信号为高,则将驱动模式判断为使用垂直同步信号和水平同步信号作为参考信号的“固定模式”。 如果判断信号为低,则将驱动模式判定为使用DE(数据使能)信号作为参考信号的“DE模式”。
    • 13. 发明申请
    • Mode-selecting apparatus, display apparatus including the same, and method of selecting a mode in display unit
    • 模式选择装置,包括该模式选择装置的显示装置以及在显示单元中选择模式的方法
    • US20060077202A1
    • 2006-04-13
    • US11247238
    • 2005-10-12
    • Hiroshi Takeda
    • Hiroshi Takeda
    • G09G5/00
    • G09G3/2096G09G3/2092G09G5/18
    • A mode-selecting apparatus for selecting one of a first mode in which images are displayed on a display unit in accordance with a vertical synchronization control signal and a horizontal synchronization control signal, and a second mode in which images are displayed on the display unit in accordance with a data-enable signal, includes a first unit which counts a number of input horizontal synchronization control signals in each of frame periods, a second unit which counts a number of input data-enable signals in each of frame periods, and a third unit which selects one of the first and second modes in accordance with both the number of input horizontal synchronization control signals and the number of input data-enable signals.
    • 一种模式选择装置,用于根据垂直同步控制信号和水平同步控制信号选择图像在显示单元上显示的第一模式中的一种模式,以及第二模式,其中在显示单元上显示图像 根据数据使能信号,包括对每个帧周期中的输入水平同步控制信号的数量进行计数的第一单元,对每个帧周期内的输入数据使能信号数进行计数的第二单元,以及第三单元 单元,其根据输入的水平同步控制信号的数量和输入数据使能信号的数量来选择第一和第二模式之一。
    • 19. 发明授权
    • Display control device
    • 显示控制装置
    • US5610622A
    • 1997-03-11
    • US309413
    • 1994-09-20
    • Hiroshi TakedaShigeaki YoshidaKoyo Katsura
    • Hiroshi TakedaShigeaki YoshidaKoyo Katsura
    • G09G5/18G09G5/12G09G1/08
    • G09G5/12
    • A CRT (cathode ray tube) controller for controlling one CRT device in an interlace mode has a synchronizing circuit of bi-directional construction, in order to make possible synchronous operation of the CRT controller with other circuits (other CRT controllers or a TV system). When the CRTC is used as a master circuit of a CRT display system, a synchronizing signal is derived from the synchronizing circuit in synchronization on with a count signal of a vertical scanning counter and an output of an interlace controller of the CRTC, and is supplied to a synchronizing terminal of the other CRTCs. Scanning counters and a flip-flop for controlling an interlace operation of the other CRTCs are reset to their initial state in synchronization with the synchronizing signal. When the CRTC is used as a slave circuit, scanning counters and a flip-flop of the CRTC are reset to their initial state in synchronization with the external synchronizing signal.
    • 用于以隔行模式控制一个CRT器件的CRT(阴极射线管)控制器具有双向结构的同步电路,以便使CRT控制器与其他电路(其它CRT控制器或TV系统)可以同步操作, 。 当CRTC用作CRT显示系统的主电路时,根据垂直扫描计数器的计数信号和CRTC的隔行控制器的输出,同步信号从同步电路得到,并被提供 到其他CRTC的同步终端。 用于控制其他CRTC的隔行扫描的扫描计数器和触发器与同步信号同步地被复位到其初始状态。 当CRTC用作从电路时,与外部同步信号同步,将扫描计数器和CRTC的触发器复位到初始状态。