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1. 发明授权

US08650233B2 Random number generator including a variable frequency oscillator 有权
标题翻译：随机数发生器包括一个可变频率振荡器
公开(公告)号：US08650233B2
公开(公告)日：2014-02-11
申请号：US12235995
申请日：2008-09-23
申请人： Kazutaka Ikegami , Shinichi Yasuda
发明人： Kazutaka Ikegami , Shinichi Yasuda
IPC分类号： G06F1/02 , G06F7/58
CPC分类号： G06F7/588
摘要： A random number generator includes: a variable frequency oscillator that includes: a selection circuit having multiple input terminals and an output terminal; a parallel circuit having an input terminal and multiple output terminals that are respectively connected to the input terminals of the selection circuit, the parallel circuit including one or more buffer circuits to be selected by the selection circuit; and an inverter circuit having a control terminal, the inverter circuit being connected to the input terminal of the parallel circuit and to the output terminal of the selection circuit; and a latch circuit connected to the variable frequency oscillator.
摘要翻译：随机数发生器包括：可变频率振荡器，包括：具有多个输入端子和输出端子的选择电路; 并联电路，其具有分别连接到选择电路的输入端子的输入端子和多个输出端子，并联电路包括由选择电路选择的一个或多个缓冲电路; 以及具有控制端子的逆变器电路，所述逆变器电路连接到所述并联电路的输入端子和所述选择电路的输出端子; 以及连接到可变频率振荡器的锁存电路。

2. 发明授权

US08578318B2 Method for implementing circuit design for integrated circuit and computer readable medium 失效
标题翻译：集成电路和计算机可读介质电路设计实现方法
公开(公告)号：US08578318B2
公开(公告)日：2013-11-05
申请号：US13561483
申请日：2012-07-30
申请人： Kumiko Nomura , Shinichi Yasuda , Shinobu Fujita , Keiko Abe , Tetsufumi Tanamoto , Kazutaka Ikegami , Masato Oda
发明人： Kumiko Nomura , Shinichi Yasuda , Shinobu Fujita , Keiko Abe , Tetsufumi Tanamoto , Kazutaka Ikegami , Masato Oda
IPC分类号： G06F17/50
CPC分类号： G06F17/5077 , G06F17/5031 , G06F17/5054 , G06F17/5081
摘要： In one embodiment, a method for implementing a circuit design for an integrated circuit includes: (a) obtaining a first wiring to satisfy a given operating frequency; (b) calculating a maximum bypass wiring length based on the given operating frequency and a critical path of the first wiring; (c) obtaining a second wiring by bypassing the first wiring using wires other than wires of the first wiring in a first wiring group, wherein wiring of the integrated circuit is categorized into a plurality of wiring groups, and the first wiring is included in the first wiring group of the categorized wiring groups; and (d) replacing the first wiring with the second wiring, if a difference between the second wiring and the first wiring is not larger than the maximum bypass wiring length, and not replacing the first wiring if said difference is larger than the maximum bypass wiring length.
摘要翻译：在一个实施例中，一种用于实现集成电路的电路设计的方法包括：（a）获得第一布线以满足给定的工作频率; （b）基于给定的工作频率和第一布线的关键路径计算最大旁路布线长度; （c）通过在第一布线组中使用不同于第一布线的布线的旁路第一布线来获得第二布线，其中集成电路的布线被分类为多个布线组，并且第一布线包括在第一布线中分类布线组的第一接线组; 以及（d）如果所述第二布线和所述第一布线之间的差不大于所述最大旁路布线长度，则用所述第二布线代替所述第一布线，并且如果所述差大于所述最大旁路布线，则不更换所述第一布线长度。

3. 发明申请

US20090177725A1 RANDOM NUMBER GENERATION DEVICE 有权
标题翻译：随机数生成装置
公开(公告)号：US20090177725A1
公开(公告)日：2009-07-09
申请号：US12212205
申请日：2008-09-17
申请人： Kazutaka IKEGAMI , Shinichi Yasuda
发明人： Kazutaka IKEGAMI , Shinichi Yasuda
IPC分类号： G06F7/58
CPC分类号： G06F7/588 , H03K3/0315 , H03K3/84
摘要： It is made possible to provide a random number generation device which generates a physical random number with as little power dissipation as possible. A random number generation device includes: a ring oscillator having at least one set, each set comprising a current noise source and a Schmitt inverter configured to receive an output of the current noise source; and a conversion circuit configured to convert output frequency fluctuation of the ring oscillator to a random number and output the random number.
摘要翻译：可以提供尽可能少的功率消耗来生成物理随机数的随机数生成装置。随机数生成装置包括：环形振荡器，其具有至少一组，每组包括电流噪声源，施密特反相器被配置为接收当前噪声源的输出; 以及转换电路，被配置为将环形振荡器的输出频率波动转换为随机数，并输出随机数。

4. 发明授权

US08805907B2 Random number generation device having a ring oscillator 有权
标题翻译：具有环形振荡器的随机数生成装置
公开(公告)号：US08805907B2
公开(公告)日：2014-08-12
申请号：US12212205
申请日：2008-09-17
申请人： Kazutaka Ikegami , Shinichi Yasuda
发明人： Kazutaka Ikegami , Shinichi Yasuda
IPC分类号： G06F7/58
CPC分类号： G06F7/588 , H03K3/0315 , H03K3/84
摘要： It is made possible to provide a random number generation device which generates a physical random number with as little power dissipation as possible. A random number generation device includes: a ring oscillator having at least one set, each set comprising a current noise source and a Schmitt inverter configured to receive an output of the current noise source; and a conversion circuit configured to convert output frequency fluctuation of the ring oscillator to a random number and output the random number.
摘要翻译：可以提供尽可能少的功率消耗来生成物理随机数的随机数生成装置。随机数生成装置包括：环形振荡器，其具有至少一组，每组包括电流噪声源，施密特反相器被配置为接收当前噪声源的输出; 以及转换电路，被配置为将环形振荡器的输出频率波动转换为随机数，并输出随机数。

5. 发明申请

US20090222502A1 RANDOM NUMBER GENERATOR 有权
标题翻译：随机数发电机
公开(公告)号：US20090222502A1
公开(公告)日：2009-09-03
申请号：US12235995
申请日：2008-09-23
申请人： Kazutaka IKEGAMI , Shinichi Yasuda
发明人： Kazutaka IKEGAMI , Shinichi Yasuda
IPC分类号： G06F7/58
CPC分类号： G06F7/588
摘要： A random number generator includes: a variable frequency oscillator that includes: a selection circuit having multiple input terminals and an output terminal; a parallel circuit having an input terminal and multiple output terminals that are respectively connected to the input terminals of the selection circuit, the parallel circuit including one or more buffer circuits to be selected by the selection circuit; and an inverter circuit having a control terminal, the inverter circuit being connected to the input terminal of the parallel circuit and to the output terminal of the selection circuit; and a latch circuit connected to the variable frequency oscillator.
摘要翻译：随机数发生器包括：可变频率振荡器，包括：具有多个输入端子和输出端子的选择电路; 并联电路，其具有分别连接到选择电路的输入端子的输入端子和多个输出端子，并联电路包括由选择电路选择的一个或多个缓冲电路; 以及具有控制端子的逆变器电路，所述逆变器电路连接到所述并联电路的输入端子和所述选择电路的输出端子; 以及连接到可变频率振荡器的锁存电路。

6. 发明授权

US08930428B2 Random number generation circuit 有权
标题翻译：随机数生成电路
公开(公告)号：US08930428B2
公开(公告)日：2015-01-06
申请号：US13428150
申请日：2012-03-23
申请人： Shinichi Yasuda , Kazutaka Ikegami
发明人： Shinichi Yasuda , Kazutaka Ikegami
IPC分类号： G06F7/58 , H03K3/84
CPC分类号： H03K3/84 , G06F7/588
摘要： According to one embodiment, a random number generation circuit includes an oscillation circuit and a holding circuit. The oscillation circuit has an amplifier array and a high-noise circuit. Amplifiers are connected in series in the amplifier array, and the amplifier array has a terminal between neighboring amplifiers. The high-noise circuit is inserted between other neighboring amplifiers in the amplifier array, and the high-noise circuit generates noise required to generate jitter in an oscillation signal from the amplifier array. The holding circuit outputs, as a random number, the oscillation signal held according to a clock signal.
摘要翻译：根据一个实施例，随机数生成电路包括振荡电路和保持电路。振荡电路具有放大器阵列和高噪声电路。放大器在放大器阵列中串联连接，放大器阵列在相邻放大器之间具有一个端子。高噪声电路插入在放大器阵列中的其它相邻放大器之间，高噪声电路产生在放大器阵列的振荡信号中产生抖动所需的噪声。保持电路作为随机数输出根据时钟信号保持的振荡信号。

7. 发明申请

US20130055189A1 METHOD FOR IMPLEMENTING CIRCUIT DESIGN FOR INTEGRATED CIRCUIT AND COMPUTER READABLE MEDIUM 失效
标题翻译：用于集成电路和计算机可读介质实现电路设计的方法
公开(公告)号：US20130055189A1
公开(公告)日：2013-02-28
申请号：US13561483
申请日：2012-07-30
申请人： Kumiko Nomura , Shinichi Yasuda , Shinobu Fujita , Keiko Abe , Tetsufumi Tanamoto , Kazutaka Ikegami , Masato Oda
发明人： Kumiko Nomura , Shinichi Yasuda , Shinobu Fujita , Keiko Abe , Tetsufumi Tanamoto , Kazutaka Ikegami , Masato Oda
IPC分类号： G06F17/50
CPC分类号： G06F17/5077 , G06F17/5031 , G06F17/5054 , G06F17/5081
摘要： In one embodiment, a method for implementing a circuit design for an integrated circuit includes: (a) obtaining a first wiring to satisfy a given operating frequency; (b) calculating a maximum bypass wiring length based on the given operating frequency and a critical path of the first wiring; (c) obtaining a second wiring by bypassing the first wiring using wires other than wires of the first wiring in a first wiring group, wherein wiring of the integrated circuit is categorized into a plurality of wiring groups, and the first wiring is included in the first wiring group of the categorized wiring groups; and (d) replacing the first wiring with the second wiring, if a difference between the second wiring and the first wiring is not larger than the maximum bypass wiring length, and not replacing the first wiring if said difference is larger than the maximum bypass wiring length.
摘要翻译：在一个实施例中，一种用于实现集成电路的电路设计的方法包括：（a）获得第一布线以满足给定的工作频率; （b）基于给定的工作频率和第一布线的关键路径计算最大旁路布线长度; （c）通过在第一布线组中使用不同于第一布线的布线的旁路第一布线来获得第二布线，其中集成电路的布线被分类为多个布线组，并且第一布线包括在第一布线中分类布线组的第一接线组; 以及（d）如果所述第二布线和所述第一布线之间的差不大于所述最大旁路布线长度，则用所述第二布线代替所述第一布线，并且如果所述差大于所述最大旁路布线，则不更换所述第一布线长度。

8. 发明授权

US08601012B2 Automatic search and transfer apparatus and automatic search and transfer system 有权
标题翻译：自动搜索和传输设备和自动搜索和传输系统
公开(公告)号：US08601012B2
公开(公告)日：2013-12-03
申请号：US12737933
申请日：2008-09-11
申请人： Shinichi Yasuda , Koichi Abe , Shogo Tsubouchi
发明人： Shinichi Yasuda , Koichi Abe , Shogo Tsubouchi
IPC分类号： G06F17/30
CPC分类号： G06F17/30029 , G06F17/30038
摘要： An automatic search and transfer apparatus that automatically searches for and transfers data one or more computers connected via a network, that includes a keyword input section that inputs at least one keyword, a search section that searches for data including the at least one keyword and acquires attribute data of concerned data from the one or more computers connected via the network, a reporting section that reports information relating to the concerned data to a user, a reception section that receives the concerned data from one or more computers, and a data storage section that stores the data. The reporting section reports acquisition of the attribute data to the user when the attribute data is acquired, and the reception section starts reception of the concerned data after the reporting section has reported the acquisition of the attribute data of the concerned data to the user.
摘要翻译：一种自动搜索和传送装置，其自动搜索和传送经由网络连接的一个或多个计算机的数据，其包括输入至少一个关键字的关键字输入部分，搜索包括至少一个关键字的数据的搜索部分，并获取来自经由网络连接的一台以上的计算机的有关数据的属性数据，向用户报告与有关数据有关的信息的报告部，从一台以上的计算机接收有关数据的接收部，以及数据存储部存储数据。报告部分在获取属性数据时向用户报告属性数据的获取，并且在报告部分已经向用户报告了有关数据的属性数据的获取之后，接收部分开始接收相关数据。

9. 发明授权

US08307022B2 Random number generating device 有权
标题翻译：随机数生成装置
公开(公告)号：US08307022B2
公开(公告)日：2012-11-06
申请号：US12130567
申请日：2008-05-30
申请人： Mari Matsumoto , Ryuji Ohba , Shinichi Yasuda , Shinobu Fujita
发明人： Mari Matsumoto , Ryuji Ohba , Shinichi Yasuda , Shinobu Fujita
IPC分类号： G06F1/02
CPC分类号： G06F7/588 , H03K3/84
摘要： A random number generating device includes: a pulse voltage generator configured to generate a pulse voltage having an amplitude of 26 mV or more; a random noise generating element including source and drain regions formed at a distance from each other on a semiconductor substrate, a tunnel insulating film formed on a portion of the semiconductor substrate located between the source region and the drain region, and a gate electrode formed above the tunnel insulating film and to which the pulse voltage is applied, the random noise generating element configured to generate a random noise contained in a current flowing between the source region and the drain region; and a random number generating unit configured to generate a random number signal based on the random noise.
摘要翻译：随机数生成装置包括：脉冲电压发生器，被配置为产生具有26mV或更大幅度的脉冲电压; 包括形成在半导体衬底上彼此间隔一定距离的源极和漏极区域的随机噪声产生元件，形成在位于源极区域和漏极区域之间的半导体衬底的一部分上的隧道绝缘膜以及形成在栅极电极上的栅电极隧道绝缘膜，并且施加脉冲电压，所述随机噪声产生元件被配置为产生包含在源极区域和漏极区域之间的电流中的随机噪声; 以及随机数生成单元，被配置为基于随机噪声生成随机数信号。

10. 发明申请

US20110205780A1 Semiconductor Integrated Circuit 有权
标题翻译：半导体集成电路
公开(公告)号：US20110205780A1
公开(公告)日：2011-08-25
申请号：US12880758
申请日：2010-09-13
申请人： Shinichi Yasuda , Keiko Abe , Shinobu Fujita
发明人： Shinichi Yasuda , Keiko Abe , Shinobu Fujita
IPC分类号： G11C11/00
CPC分类号： G11C13/0007 , G11C13/003 , G11C13/0069 , G11C2013/0073 , G11C2213/75 , H03K19/17728 , H03K19/1776
摘要： In one embodiment, a semiconductor integrated circuit includes a first resistive-change element, a second resistive-change element and a first switching element. The first resistive-change element includes one end having a first polarity connected to a first power source. The first resistive-change element includes another end having a second polarity connected to an output node. The second resistive-change element includes one end having the second polarity connected to the output node. The first switching element includes a first terminal connected to another end of the second resistive-change element. The first switching element includes a second terminal connected to a second power source.
摘要翻译：在一个实施例中，半导体集成电路包括第一电阻变化元件，第二电阻变化元件和第一开关元件。第一电阻变化元件包括具有连接到第一电源的第一极性的一端。第一电阻变化元件包括具有连接到输出节点的第二极性的另一端。第二电阻变化元件包括具有连接到输出节点的第二极性的一端。第一开关元件包括连接到第二电阻变化元件的另一端的第一端子。第一开关元件包括连接到第二电源的第二端子。

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