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    • 5. 发明申请
    • Method and device for protection of an mram device against tampering
    • 用于保护混合器件免受篡改的方法和装置
    • US20060179490A1
    • 2006-08-10
    • US10539548
    • 2003-12-15
    • Kars-Michiel LenssenRobert Jochemsen
    • Kars-Michiel LenssenRobert Jochemsen
    • G06F11/00
    • G11C11/15G06K19/07372G11C11/16H01L23/57H01L2924/0002H01L2924/00
    • Data, stored in MRAM-cells (12) should be protected against misuse or read-out by unauthorised persons. The present invention provides an array (10) of MRAM-cells (12) provided with a security device (14) for destroying data stored in the MRAM-cells (12) when they are tampered with. This is achieved by placing a permanent magnet (16) adjacent the MRAM-array (10) in combination with a soft-magnetic flux-closing layer (18). As long as the soft-magnetic layer (18) is present, the magnetic field lines (20) from the permanent magnet (16) are deviated and flow through this soft-magnetic layer (18). When somebody is tampering with the MRAM-array (10), e.g. by means of reverse engineering, and the flux-closing layer (18) is removed, the flux is no longer deviated and affects the nearby MRAM-array (10), thus destroying the data stored in the MRAM-cells (12).
    • 存储在MRAM单元(12)中的数据应受到保护,防止未经授权的人员误用或读取。 本发明提供了一种具有安全装置(14)的MRAM单元(12)的阵列(10),用于当它们被篡改时,破坏存储在MRAM单元(12)中的数据。 这通过将与MRAM阵列(10)相邻的永磁体(16)与软磁通量闭合层(18)组合来实现。 只要存在软磁性层(18),来自永磁体(16)的磁场线(20)就会偏离并流过该软磁层(18)。 当某人篡改MRAM阵列(10)时,例如, 通过逆向工程,并且去除磁通密闭层(18),磁通不再偏离并影响附近的MRAM阵列(10),从而破坏存储在MRAM单元(12)中的数据。
    • 7. 发明授权
    • Method and system for reading data from and writing data to a memory
    • 从数据读取和写入数据到存储器的方法和系统
    • US06986012B2
    • 2006-01-10
    • US10233450
    • 2002-09-03
    • Hong LiNicolaas LambertRobert JochemsenRudi Jozef Marie WijnandsOzcan Mesut
    • Hong LiNicolaas LambertRobert JochemsenRudi Jozef Marie WijnandsOzcan Mesut
    • G06F12/00
    • G11B20/10527G06F3/061G06F3/0619G06F3/0659G06F3/0676G06F11/00
    • The invention relates to a method of writing data to and reading data from a memory (102) by a host. By limiting processing time, time restrictions regarding the data to be processed can be met. However, this is at the expense of data integrity. By setting time limits for a group (300) of multiple processing assignments and dynamic allocation of time, reserved for error recovery and retries, data integrity can be improved, while time limits can still be met. Furthermore, by attaching priorities to the assignments, multiple types of data can be handled in one group of assignments. For example, assignments with real-time requirements can be put in a group with assignments with best effort requirements. In this way, more flexible planning of processing assignments is possible. The invention also relates to a system for writing data to and reading data from a memory.
    • 本发明涉及一种向主机向存储器(102)写入数据并从其读取数据的方法。 通过限制处理时间,可以满足关于要处理的数据的时间限制。 但是,这是牺牲数据完整性。 通过为多个处理分配的组(300)设置时间限制和动态分配时间,保留用于错误恢复和重试,可以提高数据完整性,同时可以满足时间限制。 此外,通过将优先级附加到分配,可以在一组分配中处理多种类型的数据。 例如,具有实时要求的分配可以放在具有尽力而为要求的分配的组中。 以这种方式,可以进行更灵活的处理分配计划。 本发明还涉及一种用于将数据写入和从存储器读取数据的系统。
    • 9. 发明申请
    • Storing bios in persistent system memory
    • 将bios存储在持久性系统内存中
    • US20060053268A1
    • 2006-03-09
    • US10533752
    • 2003-10-08
    • Wihelmus Franciscus FontijnNicolaas LambertRobert JochemsenAdrianus Denissen
    • Wihelmus Franciscus FontijnNicolaas LambertRobert JochemsenAdrianus Denissen
    • G06F15/00G06F15/76
    • G06F9/4401
    • When booting a personal computer, it needs to find instructions immediately to tell it what to run to start up the personal computer. These it finds within the so-called basic input/output system (BIOS) program. Usually the BIOS program is stored in a separate location, for example a ROM. It is usually shadowed into system memory (SM) to speed up its operation. The copying of the BIOS program to system memory (SM), amongst others, causes the boot process to be a relatively slow process. In the present invention, the system memory (SM) comprises a persistent system memory (PSM) and the BIOS program is stored in the persistent system memory (PSM). Furthermore, selected information used by the BIOS program is stored in persistent system memory (PSM) as well. As a result, the speed of booting the personal computer is significantly increased.
    • 引导个人电脑时,需要立即找到指示,告诉您运行什么来启动个人电脑。 它们在所谓的基本输入/输出系统(BIOS)程序中找到。 通常BIOS程序存储在单独的位置,例如ROM。 它通常被遮蔽到系统存储器(SM)中以加速其操作。 将BIOS程序复制到系统存储器(SM)等,导致引导过程是一个相对较慢的过程。 在本发明中,系统存储器(SM)包括持久系统存储器(PSM),并且BIOS程序存储在持久系统存储器(PSM)中。 此外,BIOS程序使用的所选信息也存储在持久系统存储器(PSM)中。 因此,引导个人计算机的速度显着增加。