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    • 1. 发明授权
    • Stored program system with protected memory and secure signature
extraction
    • 存储程序系统具有受保护的内存和安全签名提取
    • US5860099A
    • 1999-01-12
    • US61203
    • 1993-05-12
    • Ioannis MiliosCarl Oppedahl
    • Ioannis MiliosCarl Oppedahl
    • G06F12/14H04L9/32G06F12/00H04L9/00
    • H04L9/3247G06F12/1408H04L2209/605
    • A controller contains software which, when triggered in some prearranged way such as assertion of an input to the controller, calculates a digital signature for the contents of the protected memory of the controller. The digital signature is preferably extracted from the contents of the memory with a function that varies greatly with even small changes to the memory contents. The function preferably is such that one cannot easily determine from the output what input generated the output. The function is preferably such that one cannot easily create a data set for input that yields any particular predetermined output. The circuitry generating the signature may be embedded in hardware of the controller so that its digital signature function is unknown even to the programmer writing the main body of code to be stored in the protected memory. With such a hardware configuration, it is possible to have a very high degree of confidence that the memory contents are what they are expected to be.
    • 控制器包含软件,当以某种预先安排的方式触发时,例如断言到控制器的输入,计算控制器的受保护存储器的内容的数字签名。 优选地,从存储器的内容中提取数字签名,其功能随着对存储器内容的甚至小的改变而大大变化。 该功能优选地使得不能从输出容易地确定产生输出的输入。 该功能优选地使得不能容易地创建用于产生任何特定预定输出的输入的数据集。 生成签名的电路可以嵌入在控制器的硬件中,使得即使对于编写要存储在受保护存储器中的代码主体的编程器,其数字签名功能也是未知数。 通过这样的硬件配置,可以非常高的置信度使得存储器内容是它们预期的内容。
    • 2. 发明授权
    • Microcontroller with secure signature extraction
    • 具有安全签名提取的微控制器
    • US06453417B1
    • 2002-09-17
    • US09227430
    • 1999-01-08
    • Ioannis MiliosCarl Oppedahl
    • Ioannis MiliosCarl Oppedahl
    • H04L900
    • H04L9/3247G06F12/1408H04L2209/605
    • A controller contains software which, when triggered in some prearranged way such as assertion of an input to the controller, calculates a digital signature for the contents of the protected memory of the controller. The digital signature is preferably extracted from the contents of the memory by means of a function that varies greatly with even small changes to the memory contents. The function preferably is such that one cannot easily determine from the output what input generated the output. The function is preferably such that one cannot easily create a data set for input that yields any particular predetermined output. The circuitry generating the signature may be embedded in hardware of the controller so that its digital signature function is unknown even to the programmer writing the main body of code to be stored in the protected memory. With such a hardware configuration, it is possible to have a very high degree of confidence that the memory contents are what they are expected to be.
    • 控制器包含软件,当以某些预先安排的方式触发时,例如断言到控制器的输入,计算控制器的受保护存储器的内容的数字签名。 数字签名优选地通过对存储器内容的甚至小的变化而大大变化的功能从存储器的内容中提取。 该功能优选地使得不能从输出容易地确定产生输出的输入。 该功能优选地使得不能容易地创建用于产生任何特定预定输出的输入的数据集。 生成签名的电路可以嵌入在控制器的硬件中,使得即使对于编写要存储在受保护存储器中的代码主体的编程器,其数字签名功能也是未知数。 通过这样的硬件配置,可以非常高的置信度使得存储器内容是它们预期的内容。
    • 6. 发明申请
    • SPECTROMETRIC METHODS AND APPARATUS
    • 光谱方法和装置
    • US20100309468A1
    • 2010-12-09
    • US12810104
    • 2009-03-04
    • William H. FlankSandra Glassman FlankSharon FlankEmil Walter CiurczakCarl Oppedahl
    • William H. FlankSandra Glassman FlankSharon FlankEmil Walter CiurczakCarl Oppedahl
    • G01J3/28
    • A61B5/14546A61B5/14557A61B2562/0238G01N21/3577G01N21/359G01N21/85G01N2201/08G01N2201/1293
    • A box 14 having a body 13 is used with a transparent flexible bag containing a liquid such as an IV bag. First and second faces 12 are positioned relative to each other. The faces each have therewithin an end or fiber optic port 11 of a respective light path. A light source is optically coupled with the light path of the first face and a spectrometer is optically coupled with the light path of the second face. The light paths are coaxial and are disposed so that the transparent flexible bag is positionable therebetween. The spectrometer is disposed to detect an anomaly in the liquid within the transparent flexible bag, and to annunciate the anomaly to a human user. The box defines a reproducible light path length through the liquid. A caliper 29 having a body 22 may be used in spectrometric analysis of a transparent tube containing a liquid such as a syringe or an IV line. The caliper has finger pads 27 which permit opening the spring-loaded caliper as needed. Rivets 25 provide a pivoting action relative to a pivot structure 21 which can also serve as a distance gauge. Compression spring 24 urges the caliper jaws together at lens locations 26. Lens locations 26 are optically coupled with internal fiber optic lines 28, and thence to external fiber optic connectors 23. A light source is optically coupled with one of the connectors 23 and a spectrometer is optically coupled with the other of the connectors 23.
    • 具有主体13的盒14与包含诸如IV袋的液体的透明柔性袋一起使用。 第一和第二面12相对于彼此定位。 每个面上各自具有相应光路的端部或光纤端口11。 光源与第一面的光路光学耦合,并且光谱仪与第二面的光路光学耦合。 光路是同轴的并且被布置成使得透明柔性袋能够在它们之间定位。 设置光谱仪以检测透明柔性袋内的液体中的异常,并向人类用户通报异常。 盒子定义了通过液体的可重复的光路长度。 具有主体22的卡尺29可用于含有诸如注射器或IV线的液体的透明管的光谱分析。 卡钳具有指垫27,其可以根据需要打开弹簧加载的卡尺。 铆钉25提供相对于枢轴结构21的枢转作用,枢轴结构21也可用作距离计。 压缩弹簧24将卡钳钳口一起推到镜头位置26.镜头位置26与内部光纤线路28光学耦合,从而连接到外部光纤连接器23.光源与连接器23中的一个光学耦合,光谱仪 与另一个连接器23光学耦合。
    • 8. 发明申请
    • Status monitoring system
    • 状态监控系统
    • US20050149559A1
    • 2005-07-07
    • US10710925
    • 2004-08-12
    • Carl OppedahlThomas Bennett
    • Carl OppedahlThomas Bennett
    • G06F7/00G06F17/30
    • G06F16/951
    • A method is described for use with a server serving requested records among a multiplicity of records, and with a predetermined list of record identifiers, and with a first file containing information about records corresponding to the record identifiers. The method comprises the steps of: selecting at least two of the record identifiers from the list; for each one record identifier of the record identifiers: presenting a request to the server with respect to the record identifier; receiving a record from the server, said record corresponding to the record identifier; parsing the record, thereby deriving received information of interest from the record; comparing the received information of interest with corresponding information in the first file; and annunciating any difference between the received information of interest and the corresponding information in the first file.
    • 描述了一种与在多个记录之间服务所请求的记录的服务器以及与预定的记录标识符列表一起提供的方法,以及包含关于与记录标识符对应的记录的信息的第一文件。 该方法包括以下步骤:从列表中选择至少两个记录标识符; 对于记录标识符的每个记录标识符:向服务器提供关于记录标识符的请求; 从服务器接收记录,所述记录对应于记录标识符; 解析记录,从而从记录中得到所感兴趣的信息; 将所接收的感兴趣信息与第一文件中的相应信息进行比较; 并且在所接收的感兴趣的信息和第一文件中的对应信息之间通知任何差异。
    • 9. 发明授权
    • Status monitoring system
    • 状态监控系统
    • US06789092B1
    • 2004-09-07
    • US09704505
    • 2000-11-01
    • Carl OppedahlThomas C. Bennett
    • Carl OppedahlThomas C. Bennett
    • G06F700
    • G06F17/30864Y10S707/99943Y10S707/99945
    • A method is described for use with a server serving requested records among a multiplicity of records, and with a predetermined list of record identifiers, and with a first file containing information about records corresponding to the record identifiers. The method comprises the steps of: selecting at least two of the record identifiers from the list; for each one record identifier of the record identifiers: presenting a request to the server with respect to the record identifier; receiving a record from the server, said record corresponding to the record identifier; parsing the record, thereby deriving received information of interest from the record; comparing the received information of interest with corresponding information in the first file; and annunciating any difference between the received information of interest and the corresponding information in the first file.
    • 描述了一种与在多个记录之间服务所请求的记录的服务器以及与预定的记录标识符列表一起提供的方法,以及包含关于与记录标识符对应的记录的信息的第一文件。 该方法包括以下步骤:从列表中选择至少两个记录标识符; 对于记录标识符的每个记录标识符:向服务器提供关于记录标识符的请求; 从服务器接收记录,所述记录对应于记录标识符; 解析记录,从而从记录中得到所感兴趣的信息; 将所接收的感兴趣信息与第一文件中的相应信息进行比较; 并且在所接收的感兴趣的信息和第一文件中的对应信息之间通知任何差异。