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    • 2. 发明授权
    • Drive circuit for character and graphic display device
    • 字符和图形显示装置的驱动电路
    • US4388621A
    • 1983-06-14
    • US158263
    • 1980-06-10
    • Shigeru KomatsuShigeru HirahataTsuguji Tachiuchi
    • Shigeru KomatsuShigeru HirahataTsuguji Tachiuchi
    • G09G5/24G06F3/153G09G1/16G09G5/00G09G5/397G09G5/399G09G1/00
    • G09G5/001
    • In a .phi..sub.2 cycle steal mode, a clock signal is selected such that a time period during which a RAM is connected to a timing signal generator for display is extended and a time period during which the RAM is connected to a CPU is shortened accordingly, without changing an overall period. This clock signal is used to actuate a switching circuit for the RAM while a clock signal having unmodified duty ratio is applied to the CPU, a ROM and external circuits so that a display data readout period from the RAM is extended without affecting the CPU clock frequency and the operation of other circuits. During this readout period, a plurality of display address signals are applied to the RAM from the timing signal generator and a plurality of data derived from the RAM are sequentially loaded in a register which is then read out at a desired timing to enable the display of a plurality of characters in one CPU clock period.
    • 在phi 2循环盗取模式中,选择时钟信号,使得连接到用于显示的定时信号发生器的RAM的时间段被延长,并且相应地缩短RAM连接到CPU的时间段, 而不改变整个时期。 该时钟信号用于激活用于RAM的开关电路,而具有未修改占空比的时钟信号被施加到CPU,ROM和外部电路,使得来自RAM的显示数据读出周期不会影响CPU时钟频率 和其他电路的操作。 在该读出期间,多个显示地址信号从定时信号发生器施加到RAM,并且从RAM导出的多个数据顺序地加载到寄存器中,然后在期望的定时读出寄存器,以使得能够显示 一个CPU时钟周期内的多个字符。
    • 4. 发明授权
    • Pattern display apparatus
    • 图案显示装置
    • US4408197A
    • 1983-10-04
    • US259162
    • 1981-04-30
    • Shigeru KomatsuKunihiko NagaiTakuo KoyamaTsuguji TachiuchiShigeru Hirahata
    • Shigeru KomatsuKunihiko NagaiTakuo KoyamaTsuguji TachiuchiShigeru Hirahata
    • G06F3/153G09G5/22G09G5/26G09G1/16
    • G09G5/227
    • A display apparatus for use with a cathode-ray tube capable of displaying patterns in interlaced scanning and non-interlaced scanning operation modes, comprising a composite video signal synthesizer, a memory for storing pattern data, a mode setting circuit for the memory, a data selection signal generator and a raster line number signal generator. The memory stores data for relatively simple patterns such as alphabetical letters and those for relatively complicated patterns such as Chinese characters in individually particular areas in the memory addresses of these different areas are identified by a combination of the data selection signal and the raster line number signal supplied to the memory from the data selection signal generator and the raster line number signal generator. Accordingly, the apparatus is capable of displaying both relatively simple and relatively complicated patterns with satisfactory resolution and with a relatively small-scale structure.
    • 一种用于能够以隔行扫描和非隔行扫描操作模式显示图案的阴极射线管的显示装置,包括复合视频信号合成器,用于存储图案数据的存储器,用于存储器的模式设置电路,数据 选择信号发生器和光栅线数信号发生器。 存储器存储用于诸如字母字母的相对简单模式的数据,以及用于相对复杂图案的数据,例如在这些不同区域的存储器地址中的单独特定区域中的汉字,数据选择信号和光栅行号信号 从数据选择信号发生器和光栅线数信号发生器提供给存储器。 因此,该装置能够以令人满意的分辨率和相对较小规模的结构显示相对简单且相对复杂的图案。
    • 6. 发明授权
    • Character pattern display system
    • 字符图案显示系统
    • US4298931A
    • 1981-11-03
    • US44379
    • 1979-06-01
    • Tsuguji TachiuchiShigeru HirahataTeruhiro Takezawa
    • Tsuguji TachiuchiShigeru HirahataTeruhiro Takezawa
    • G06F13/18G09G1/16G09G5/00G09G5/22G06F13/00
    • G09G5/222G06F13/18G09G5/001
    • A data processing system such as a character display system is provided with a first memory circuit for storing coded characters to be displayed, a second memory circuit for storing picture element information of characters to be displayed, and a character display drive circuit for extracting the coded character information from said first memory circuit and extracting and reproducing the picture element information from said second memory circuit. The first memory circuit includes a plurality of random access memories (RAMs). The character display system further includes an address switching circuit for successively and alternately applying an address signal from the character display drive circuit to the RAMs, and an output signal switching circuit for switching the information output signals extracted from the RAMs in synchronism with the switching operation of the address switching circuit. With a simple and relatively inexpensive circuit construction, the character display system may always display characters. The system further includes a clock signal changing means to freely make access to the RAMs without using a program.
    • 诸如字符显示系统的数据处理系统设置有用于存储要显示的编码字符的第一存储器电路,用于存储要显示的字符的图像元素信息的第二存储器电路,以及用于提取编码的字符显示驱动电路 来自所述第一存储器电路的字符信息,并从所述第二存储器电路提取和再现所述图像元素信息。 第一存储器电路包括多个随机存取存储器(RAM)。 字符显示系统还包括一个地址切换电路,用于将字符显示驱动电路的地址信号连续地交替地施加到RAM;以及输出信号切换电路,用于与切换操作同步地切换从RAM提取的信息输出信号 的地址切换电路。 通过简单且相对便宜的电路结构,字符显示系统可以总是显示字符。 该系统还包括时钟信号改变装置,用于在不使用程序的情况下自由地访问RAM。
    • 7. 发明授权
    • Digital data processing device
    • 数字数据处理装置
    • US4368461A
    • 1983-01-11
    • US212232
    • 1980-12-02
    • Shigeru KomatsuKunihiko NagaiTakuo KoyamaTsuguji TachiuchiMikiaki KobayashiToshiyuki Kurita
    • Shigeru KomatsuKunihiko NagaiTakuo KoyamaTsuguji TachiuchiMikiaki KobayashiToshiyuki Kurita
    • G09G5/36G09G1/16G09G5/00G09G5/02G09G5/34G09G1/02
    • G09G5/001G09G5/02
    • A digital data processing device in which a color memory has a temporal data storage register at input/output interface thereof so that the data write-in or data read-out operations executed by a micro-processing unit (MPU) is always performed through the temporal storage register. When data read-out or write-in operation is made to a character memory at a certain address, the same operation is simultaneously carried out for the color memory at the corresponding address. Assuming that MPU reads out a certain display address of a display screen, a corresponding character code is fetched by MPU from the character memory, while the corresponding color code is transferred to the temporal storage register from the color memory. When MPU performs the write-in operation for another address of the display screen, the character code held by MPU until then is written in the character memory at a designated address, while the color data i.e. the contents currently held by the temporal storage register are written in the color memory at the address which corresponds to the designated address of the character memory. In this manner, the color data is simultaneously transferred through the software-based processing for transferring only the character code in appearance, whereby the transfer of the contents to be displayed on the display screen can be carried out with an enhanced efficiency.
    • 一种数字数据处理装置,其中色彩存储器在其输入/输出接口处具有时间数据存储寄存器,使得由微处理单元(MPU)执行的数据写入或数据读出操作总是通过 临时存储寄存器。 当对特定地址的字符存储器进行数据读出或写入操作时,对于相应地址的彩色存储器同时进行相同的操作。 假设MPU读出显示屏幕的某个显示地址,则由MPU从字符存储器取出相应的字符代码,同时将相应的颜色代码从颜色存储器传送到临时存储寄存器。 当MPU对显示画面的另一个地址执行写入操作时,由MPU保持的字符代码以指定地址写入字符存储器,而颜色数据即时间存储寄存器当前保持的内容是 在对应于字符存储器的指定地址的地址处写入彩色存储器。 以这种方式,通过基于软件的处理来同时传送彩色数据,用于仅传送字符代码的外观,从而能够以提高的效率进行显示在显示画面上的内容的传送。
    • 9. 发明授权
    • Image signal binary circuit with a variable-frequency clock signal
generator for driving an image sensor
    • 具有用于驱动图像传感器的可变频率时钟信号发生器的图像信号二进制电路
    • US4839739A
    • 1989-06-13
    • US23262
    • 1987-03-09
    • Tsuguji TachiuchiSatoshi KonumaNobuo Tsuchiya
    • Tsuguji TachiuchiSatoshi KonumaNobuo Tsuchiya
    • H04N1/40H04N1/403
    • H04N1/403H04N1/40056
    • A one-dimensional image sensor comprising a solid image pick-up element takes images in sequence, and generates an image signal. Clock pulses from a frequency variable type clock pulse generator having a frequency which varies in correspondence to a control signal are supplied to a one-dimensional image sensor, thereby image signals are outputted in sequence. The image signal is amplified by an amplifier and inputted to a comparator and compared with a reference signal. A frequency variable range of the frequency variable type clock pulse generator is set higher than the cut-off frequency of the amplifier, and the binary level output by the comparator is substantially the same as the image inputted to the one-dimensional image sensor and control is effected by the variable frequency of the clock pulses.
    • 包括实心图像拾取元件的一维图像传感器依次拍摄图像并产生图像信号。 来自具有对应于控制信号变化的频率的频率可变型时钟脉冲发生器的时钟脉冲被提供给一维图像传感器,由此依次输出图像信号。 图像信号被放大器放大并输入到比较器并与参考信号进行比较。 频率可变型时钟脉冲发生器的频率可变范围被设置为高于放大器的截止频率,并且由比较器输出的二进制电平基本上与输入到一维图像传感器的图像和控制 受时钟脉冲的可变频率的影响。