会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • FPGA apparatus and method for protecting bitstream
    • 用于保护比特流的FPGA装置和方法
    • US08726038B2
    • 2014-05-13
    • US13454143
    • 2012-04-24
    • Bon-Seok KooJeong-Seok LimJae-Woo HanKwang-Mo YangSoo-Hyeon KimHyo-Won KimJung-Hyung ParkChoon-Soo KimE-Joong Yoon
    • Bon-Seok KooJeong-Seok LimJae-Woo HanKwang-Mo YangSoo-Hyeon KimHyo-Won KimJung-Hyung ParkChoon-Soo KimE-Joong Yoon
    • G06F11/30G06F12/14
    • G06F21/76H04L9/3226
    • An FPGA apparatus and a method for protecting bitstreams are provided. The FPGA apparatus includes: a key storage unit, which is configured to be accessed only from within the FPGA, and having stored therein the encryption/decryption key and the initial key generated by the random number generator; a setting bitstream storage unit, which is an internal non-volatile memory stored with bitstreams for setting authentication and encryption/decryption; and an authentication and encryption/decryption setting unit, which is configured to call the encryption and decryption key and the initial value stored in the key storage unit to store encrypted bitstreams and authentication codes generated as a result of performing encryption on the bitstreams stored in the setting bitstream storage unit in external non-volatile memory, and verity the integrity of the encrypted bitstreams stored in the external non-volatile memory at the time of designing of the FPGA using the encrypted bitstreams.
    • 提供了一种用于保护比特流的FPGA装置和方法。 FPGA装置包括:密钥存储单元,其被配置为仅从FPGA内部进行访问,并且其中存储了由随机数生成器生成的加密/解密密钥和初始密钥; 设置比特流存储单元,其是存储有用于设置认证和加密/解密的比特流的内部非易失性存储器; 认证和加密/解密设置单元,被配置为调用存储在密钥存储单元中的加密和解密密钥和初始值,以将加密的比特流和作为执行加密的结果生成的认证码存储在存储在密钥存储单元中的比特流上。 将比特流存储单元设置在外部非易失性存储器中,并且在使用加密的比特流设计FPGA时验证存储在外部非易失性存储器中的加密比特流的完整性。
    • 4. 发明授权
    • Hydraulic circuit for construction machine
    • 施工机械液压回路
    • US07913490B2
    • 2011-03-29
    • US12075038
    • 2008-03-07
    • Bon Seok KooMan Suk Jeon
    • Bon Seok KooMan Suk Jeon
    • F15B11/16E02F9/22
    • F15B11/17E02F9/2239E02F9/2246E02F9/2282E02F9/2292F15B2211/20576F15B2211/30595F15B2211/329
    • A hydraulic circuit for a construction machine is disclosed, which can prevent an energy loss of a hydraulic system by automatically reducing revolution of an engine when a working device such as a boom is not driven. The hydraulic circuit includes first to third hydraulic pumps, first to third switching valves for controlling hydraulic fluid fed to working devices, a fourth switching valve for controlling hydraulic fluid fed to left and right traveling devices, a confluence switching valve for selectively supply the hydraulic fluid from the third hydraulic pump to either the working devices on the first hydraulic pump side or the working devices on the second hydraulic pump side, a signal line for traveling devices, signal lines for working devices, and a shuttle valve for selecting any one of the signal pressure formed in the signal line for the traveling devices and the signal pressure formed in the signal lines for the working devices.
    • 公开了一种用于建筑机械的液压回路,其可以在不驱动诸如起重臂的工作装置时自动减小发动机的转速来防止液压系统的能量损失。 液压回路包括第一至第三液压泵,用于控制供给工作装置的液压流体的第一至第三切换阀,用于控制供给左右移动装置的液压流体的第四切换阀,用于选择性地供给液压流体的汇流切换阀 从第三液压泵到第一液压泵侧的作业装置或第二液压泵侧的作业装置,行驶装置的信号线,作业装置的信号线,以及用于选择 在行进装置的信号线上形成的信号压力和在工作装置的信号线上形成的信号压力。
    • 6. 发明授权
    • Hydraulic circuit for construction machine
    • 施工机械液压回路
    • US07721538B2
    • 2010-05-25
    • US11818549
    • 2007-06-14
    • Bon Seok Koo
    • Bon Seok Koo
    • F15B11/16E02F9/22
    • E02F9/2239E02F9/2292
    • A hydraulic circuit for a construction machine is disclosed, which can prevent an energy loss of a hydraulic system by automatically reducing revolution of an engine when a working device such as a boom is not driven. The hydraulic circuit includes first to third hydraulic pumps, a first switching valve, a second switching valve, a third switching valve, a confluence switching valve, a first shuttle valve selecting any one of a pressure of a first signal line in which a signal pressure is formed when the third switching valve for working devices connected to the third hydraulic pump is shifted and a pressure of a second signal line in which a signal pressure is formed when a switching valve for traveling devices is shifted, and a second shuttle valve selecting any one of the pressure selected by the first shuttle valve and a pressure of a third signal line in which a signal pressure is formed when switching valves for the working devices connected to the first and second hydraulic pumps are shifted.
    • 公开了一种用于建筑机械的液压回路,其可以在不驱动诸如起重臂的工作装置时自动减小发动机的转速来防止液压系统的能量损失。 液压回路包括第一至第三液压泵,第一切换阀,第二切换阀,第三切换阀,汇流换向阀,选择第一信号线的压力中的任何一个的第一梭阀,其中信号压力 当用于与第三液压泵连接的工作装置的第三切换阀移动时,形成有用于移动装置的切换阀时形成信号压力的第二信号线的压力,以及第二梭阀选择任何 第一梭阀选择的压力中的一个和连接到第一和第二液压泵的工作装置的换向阀的第三信号线的压力形成信号压力。
    • 8. 发明授权
    • Hydraulic relief valve
    • 液压溢流阀
    • US06745792B2
    • 2004-06-08
    • US10212379
    • 2002-08-05
    • Bon Seok Koo
    • Bon Seok Koo
    • G05D1616
    • F16K17/105Y10T137/7766Y10T137/88054
    • In a hydraulic relief valve having a main poppet draining into a pressure-oil tank hydraulic fluid flowing into a sleeve from a hydraulic pump and a pilot poppet draining into the oil tank the hydraulic fluid upon the occurrence of a high pressure over a pressure value set in a back-pressure chamber of the sleeve, an annular interference-preventing projection is provided to be formed in an outer periphery of the sleeve to be placed at boundary portions of feedback paths of feedback fluid on the side of the main poppet which is drained past a throttle of the sleeve and feedback fluid on the side of the pilot poppet which is drained past a feedback fluid path formed outside the sleeve.
    • 在液压安全阀中,主液阀从主液压泵排出到压油罐液压油中,液压油从液压泵流入套管中,并且在压力值超过压力值的情况下将液压油引导到油箱内 在套筒的背压室中,设置环形防干扰突起,以形成在套筒的外周中,以被放置在排出的主提升阀侧的反馈流体的反馈路径的边界部分处 经过套管的节气门和在引导提升阀一侧排出的反馈流体通过形成在套筒外部的反馈流体路径。
    • 9. 发明授权
    • Apparatus for computing streamcipher TSC-4
    • 用于计算流密码TSC-4的装置
    • US08077864B2
    • 2011-12-13
    • US12269954
    • 2008-11-13
    • Gwan Ho RyuDong Wook LeeBon Seok KooTae Joo Chang
    • Gwan Ho RyuDong Wook LeeBon Seok KooTae Joo Chang
    • H04L9/28
    • H04L9/065H04L2209/122
    • Provided is an apparatus for computing a T-function based Stream Cipher (TSC)-4 stream cipher. The apparatus includes: two T-function units; and a nonlinear filter for receiving bits output from the two T-function units and generating an 8-bit output sequence per clock. Each of the T-function units includes: a first register for storing an internal state value of the lower N bits; an N-bit internal state updater for updating the internal state value of the lower N-bits stored in the first register; an intermediate result register for storing an intermediate result value output from the N-bit internal state updater; a second register for storing an internal state value of the upper M bits; and an M-bit internal state updater for updating the internal state value of the upper M bits stored in the second register using the value stored in the intermediate result register.
    • 提供了一种用于计算基于T函数的流密码(TSC)-4流密码的装置。 该装置包括:两个T功能单元; 以及用于接收从两个T功能单元输出的位并且每个时钟产生8位输出序列的非线性滤波器。 每个T功能单元包括:第一寄存器,用于存储低N位的内部状态值; N位内部状态更新器,用于更新存储在第一寄存器中的较低N位的内部状态值; 中间结果寄存器,用于存储从N位内部状态更新器输出的中间结果值; 第二寄存器,用于存储高位M位的内部状态值; 以及M位内部状态更新器,用于使用存储在中间结果寄存器中的值来更新存储在第二寄存器中的上位M位的内部状态值。