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    • 12. 发明授权
    • Memory access buffer and reordering apparatus using priorities
    • 使用优先级的存储器访问缓冲器和重新排序装置
    • US6145065A
    • 2000-11-07
    • US67899
    • 1998-04-29
    • Satoshi TakahashiHiroyuki YamauchiHironori AkamatsuKeiichi KusumotoToru IwataYutaka TeradaTakashi Hirata
    • Satoshi TakahashiHiroyuki YamauchiHironori AkamatsuKeiichi KusumotoToru IwataYutaka TeradaTakashi Hirata
    • G06F13/16G06F12/02
    • G06F13/1631
    • A current problem is that when a DRAM is to be accessed through a data bus, the DRAM is accessed independently of a bank, a row address, etc., and therefore, is inefficient. To solve this problem, an address bus and a data bus are connected to a main memory part independently of each other, a temporary memory part for holding a plurality of addresses in advance is disposed on the address bus side and holds addresses for every access to the main memory part regardless of transfer of data, thereby pipelining address inputting cycles. Further, for the purpose of an effective operation of the main memory part, using the addresses which are held, the addresses are rearranged in such a manner that addresses with the same row addresses become continuous to each other, or when there are not addresses with the same row addresses, addresses different banks from each other become continuous to each other, and the memory is thereafter accessed. This reduces the number of precharges, shortens a standby period which is necessary for a precharge, and realizes accessing while reducing a wasteful use of time.
    • 目前的问题在于,当通过数据总线访问DRAM时,独立于存储体,行地址等访问DRAM,因此是低效的。 为了解决这个问题,地址总线和数据总线彼此独立地连接到主存储器部分,预先存储多个地址的临时存储器部分设置在地址总线侧,并且保存地址以进行每次访问 主存储部分不管数据传输,从而流水线地址输入周期。 此外,为了主存储器部分的有效操作,使用所保存的地址,地址被重新排列,使得具有相同行地址的地址彼此连续,或者当没有地址与 相同的行地址,彼此不同的存储体彼此变得连续,并且此后访问存储器。 这减少了预充电次数,缩短了预充电所需的待机时间,并实现了访问,同时减少了浪费时间的使用。
    • 14. 发明授权
    • Semiconductor integrated circuit with voltage-detecting circuit and signal transmitting and receiving system
    • 具有电压检测电路和信号发射和接收系统的半导体集成电路
    • US06944003B2
    • 2005-09-13
    • US10365527
    • 2003-02-13
    • Hirokazu SugimotoTakashi HirataHironori AkamatsuToru IwataSatoshi Takahashi
    • Hirokazu SugimotoTakashi HirataHironori AkamatsuToru IwataSatoshi Takahashi
    • G01R31/28H01L21/66H02H9/04H02H3/24
    • H02H9/046
    • A first semiconductor integrated circuit is connected to a second semiconductor integrated circuit with a cable. In the first semiconductor integrated circuit, when a power supply voltage becomes less than a set voltage detection level, a voltage-detecting circuit outputs a voltage-detected signal to lower the voltage of the cable and to stop the operation. The second semiconductor integrated circuit detects the decrease in the voltage of the cable to recognize the halt of the operation of the first semiconductor integrated circuit. In the first semiconductor integrated circuit thus configured, in testing the operation under low-voltage conditions in which the power supply voltage is less than the set voltage detection level, the voltage-detecting circuit receives a control signal from an external terminal to stop the operation forcibly. Consequently, even when the power supply voltage is made lower than the set voltage-detecting level, the first semiconductor integrated circuit properly operates until the power supply voltage reaches a predetermined lower limit of operating voltage. Thus, evaluation of operation is possible under low-voltage conditions.
    • 第一半导体集成电路通过电缆连接到第二半导体集成电路。 在第一半导体集成电路中,当电源电压变得小于设定电压检测电平时,电压检测电路输出电压检测信号来降低电缆的电压并停止工作。 第二半导体集成电路检测电缆的电压的降低以识别第一半导体集成电路的操作停止。 在这样配置的第一半导体集成电路中,在电源电压小于设定电压检测电平的低电压条件下进行测试时,电压检测电路从外部端子接收控制信号,停止动作 强制。 因此,即使电源电压低于设定电压检测电平,第一半导体集成电路也可以正常工作,直到电源电压达到预定的工作电压下限。 因此,在低电压条件下可以进行运行评估。
    • 16. 发明授权
    • Video signal transmitting/receiving system
    • 视频信号发射/接收系统
    • US07321403B2
    • 2008-01-22
    • US11020046
    • 2004-12-23
    • Ryogo YanagisawaTadahiro YoshidaSatoshi Takahashi
    • Ryogo YanagisawaTadahiro YoshidaSatoshi Takahashi
    • H04N5/38H04N5/04
    • H04N5/073H04N11/04H04N11/20
    • In a transmitting section for a video signal transmitting/receiving system for transmitting digital video signals using a plurality of transmission channels, video guard band signals are inserted into video signals associated with the transmission channels immediately before transition from a blanking region to an effective video region. In a receiving section for the system, the inserted video guard band signals are detected for the respective transmission channels. A skew among the transmission channels is detected based on the detection result. To synchronize the video guard band signals among all the transmission channels, with reference to one of the video signals associated with a transmission channel with the longest delay (i.e., delayed by one clock cycle 1T), a delay of 1T is given to the other video signals. As a result, even if a skew occurs among the transmission channels, correct pixel data is displayed.
    • 在用于使用多个发送信道发送数字视频信号的视频信号发送/接收系统的发送部分中,在从消隐区域到有效视频区域的转换之前,将视频保护带信号插入到与传输信道相关联的视频信号中 。 在系统的接收部分中,针对各个传输信道检测插入的视频保护频带信号。 基于检测结果检测传输信道之间的偏移。 为了使所有传输信道中的视频保护频带信号同步,参考与具有最长延迟(即,延迟一个时钟周期1T)的传输信道相关联的视频信号之一,将1T的延迟给予 其他视频信号。 结果,即使在发送信道之间发生偏斜,也显示正确的像素数据。
    • 17. 发明申请
    • Video signal transmitting/receiving system
    • 视频信号发射/接收系统
    • US20050104876A1
    • 2005-05-19
    • US11020046
    • 2004-12-23
    • Ryogo YanagisawaTadahiro YoshidaSatoshi Takahashi
    • Ryogo YanagisawaTadahiro YoshidaSatoshi Takahashi
    • H04N5/04G09G5/00H04J3/00H04N5/073H04N11/04H04N11/20
    • H04N5/073H04N11/04H04N11/20
    • In a transmitting section for a video signal transmitting/receiving system for transmitting digital video signals using a plurality of transmission channels, video guard band signals are inserted into video signals associated with the transmission channels immediately before transition from a blanking region to an effective video region. In a receiving section for the system, the inserted video guard band signals are detected for the respective transmission channels. A skew among the transmission channels is detected based on the detection result. To synchronize the video guard band signals among all the transmission channels, with reference to one of the video signals associated with a transmission channel with the longest delay (i.e., delayed by one clock cycle 1T), a delay of 1T is given to the other video signals. As a result, even if a skew occurs among the transmission channels, correct pixel data is displayed.
    • 在用于使用多个发送信道发送数字视频信号的视频信号发送/接收系统的发送部分中,在从消隐区域到有效视频区域的转换之前,将视频保护带信号插入到与传输信道相关联的视频信号中 。 在系统的接收部分中,针对各个传输信道检测插入的视频保护频带信号。 基于检测结果检测传输信道之间的偏移。 为了使所有传输信道中的视频保护频带信号同步,参考与具有最长延迟(即,延迟一个时钟周期1T)的传输信道相关联的视频信号之一,将1T的延迟给予 其他视频信号。 结果,即使在发送信道之间发生偏斜,也显示正确的像素数据。
    • 18. 发明授权
    • Operation timing controllable system
    • 操作时序可控系统
    • US06194926B1
    • 2001-02-27
    • US09291173
    • 1999-04-14
    • Satoshi TakahashiHiroyuki Yamauchi
    • Satoshi TakahashiHiroyuki Yamauchi
    • H03L700
    • H03L7/00G06F1/04
    • A system of the type including a plurality of circuit blocks is provided with an operation timing controller for controlling the operation timing of these circuit blocks by supplying associated operation control signals thereto. The operation timing controller includes a memory for memorizing respective times when a peak current state arises in these circuit blocks, thereby controlling the timing of the operation control signals in accordance with the memorized times when the peak current state arises. As a result, coincident switching noise can be suppressed no matter when the peak current state arises in these circuit blocks.
    • 包括多个电路块的类型的系统设置有操作定时控制器,用于通过向其提供相关联的操作控制信号来控制这些电路块的操作定时。 操作定时控制器包括用于在这些电路块中出现峰值电流状态时存储各个时间的存储器,从而根据当峰值电流状态出现时的存储时间来控制操作控制信号的定时。 结果,无论何时在这些电路块中出现峰值电流状态,也可以抑制一致的开关噪声。