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    • 3. 发明专利
    • Method and apparatus for measuring thermal capacity of component
    • 测量元件热容量的方法和装置
    • JP2003294661A
    • 2003-10-15
    • JP2002093655
    • 2002-03-29
    • Fujitsu Ltd富士通株式会社
    • YAMADA MITSUTAKAYAMAMOTO TAKESHIIKETAKI KENJIAZUMA SHUJIKIKUCHI SHUNICHI
    • G01N25/18
    • PROBLEM TO BE SOLVED: To provide a thermal capacity measurement method and a thermal capacity measurement apparatus for measuring a thermal capacity of a component which put the component in a container with a small thermal capacity, fill a cooling medium at a fixed temperature into the container, measure an equilibrium temperature, simply, easily and rapidly measure the thermal capacity of the component, and reduce a temperature difference on a printed board based on a measurement value when processed by reflow soldering.
      SOLUTION: The thermal capacity measurement method has a step for measuring weight of the component and heating the component until a predetermined temperature T1; a step for measuring weight of the cooling medium and heating the cooling medium until a predetermined temperature T2; a step for putting the component in the container and filling the cooling medium into the container; a step for measuring a temperature of the component, the filled cooling medium or the container, and detecting the equilibrium temperature; and a step for calculating the thermal capacity of the component based on the measured equilibrium temperature, the weight of the component, the predetermined temperature T1; the weight the weight of the cooling medium, and the predetermined temperature T2.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了提供热容量测量方法和热容量测量装置,用于测量将部件放​​置在具有小热容量的容器中的部件的热容量,在固定温度下填充冷却介质 进入容器,测量平衡温度,简单,容易和快速地测量部件的热容量,并且通过回流焊接处理时基于测量值减小印刷电路板上的温差。 解决方案:热容量测量方法具有测量部件的重量并加热部件直到预定温度T1的步骤; 测量冷却介质的重量并加热冷却介质直至预定温度T2的步骤; 将组件放入容器并将冷却介质填充到容器中的步骤; 用于测量部件,填充的冷却介质或容器的温度并检测平衡温度的步骤; 以及基于测量的平衡温度,部件的重量,预定温度T1来计算部件的热容量的步骤; 冷却介质的重量和预定温度T2。 版权所有(C)2004,JPO
    • 7. 发明专利
    • Authentication key and apparatus
    • 认证钥匙和装置
    • JP2006201895A
    • 2006-08-03
    • JP2005011103
    • 2005-01-19
    • Fujitsu Ltd富士通株式会社
    • KIKUCHI SHUNICHI
    • G06K19/10G06F21/20G06K17/00G06K19/06G06K19/07G09C5/00H04L9/32
    • G07C9/00111
    • PROBLEM TO BE SOLVED: To effectively reduce the risk that information may be read by another person. SOLUTION: With respect to authentication keys 11a, 11b formed by performing surface process on an article such as an artificial tooth 10, the authentication keys 11a, 11b are irradiated with an electromagnetic wave and an ultrasonic wave. Or, the images of the authentication keys 11a, 11b are photographed and analyzed. Thus, authentication key information in regard to the authentication on whether or not a right to access the information related to the article is possessed is read from the authentication keys 11a, 11b formed by the process performed on the article itself. Based on the read authentication key information, the authentication on whether or not the right to access the information related to the article is possessed is authenticated. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:有效降低其他人可能读取信息的风险。 解决方案:对于通过对诸如人造牙齿10的物品进行表面处理形成的认证密钥11a,11b,用电磁波和超声波照射认证密钥11a,11b。 或者,对认证密钥11a,11b的图像进行拍摄和分析。 因此,从通过对物品本身执行的处理形成的认证密钥11a,11b读取关于是否拥有访问与该物品相关的信息的权限的认证的认证密钥信息。 基于读取的认证密钥信息,认证是否拥有访问与该物品有关的信息的权限。 版权所有(C)2006,JPO&NCIPI