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    • 1. 发明专利
    • Portable terminal device and password management system thereof
    • 便携式终端设备和密码管理系统
    • JP2012230508A
    • 2012-11-22
    • JP2011097667
    • 2011-04-25
    • Takeshi Uchiyama毅 内山
    • UCHIYAMA TAKESHI
    • G06F21/20G06F1/00H04L9/32
    • PROBLEM TO BE SOLVED: To provide a portable terminal device and a password management system thereof capable of ensuring high security so that it is difficult for a third person to find a password, even when the third person sees input operation of the password on the portable terminal device while the input operation is performed.SOLUTION: The portable terminal device has a display unit and a key input unit capable of inputting characters on a main surface side, and a switch unit on a back surface side. The portable terminal device includes: an input information integration processing unit for combining back surface switch information associated with an ON state or OFF state of the switch unit when respective characters are input for the respective characters of a character string input by the key input unit, and generating password information; a password information registration unit for storing the password information generated by the input information integration processing unit as a registered password; and a password information authentication unit for checking the password information generated by the input information integration processing unit with the registered password.
    • 要解决的问题:为了提供能够确保高安全性的便携式终端设备和密码管理系统,使得第三人难以找到密码,即使第三人看到密码的输入操作 在执行输入操作时在便携式终端设备上。 解决方案:便携式终端设备具有能够在主表面侧输入字符的显示单元和键输入单元,以及背面侧的开关单元。 便携式终端装置包括:输入信息积分处理单元,用于当为由键输入单元输入的字符串的各个字符输入各个字符时,组合与开关单元的ON状态或OFF状态相关联的背面切换信息, 并生成密码信息; 密码信息登记单元,用于存储由输入信息集成处理单元生成的密码信息作为注册密码; 以及密码信息认证单元,用于检查由输入信息集成处理单元生成的密码信息与注册密码。 版权所有(C)2013,JPO&INPIT
    • 3. 发明申请
    • Angular velocity sensor
    • 角速度传感器
    • US20070180909A1
    • 2007-08-09
    • US11655576
    • 2007-01-19
    • Takeshi UchiyamaMitsuo YaritaAkira Egawa
    • Takeshi UchiyamaMitsuo YaritaAkira Egawa
    • G01P9/04G01P1/04
    • G01P15/125G01C19/56G01P15/18G01P2015/0842
    • An angular velocity sensor amplifies a plurality of detection signals using one amplifying circuit and properly separates these detection signals after amplification. The angular velocity sensor detects displacements of a mass in the respective axial directions using an x-axis detection circuit, a y-axis detection circuit and a z-axis detection circuit respectively. A carrier wave which has a phase thereof shifted from a phase of a carrier wave of the z-axis detection circuit by 90° is applied to the x-axis detection circuit and the y-axis detection circuit, wherein the application of the carrier wave to the x-axis detection circuit and the y-axis detection circuit is performed by switching based on a clock signals. Outputs of the respective axis detection circuits are collectively inputted to a current/voltage conversion circuit. An output signal of the current/voltage conversion circuit is inputted to three synchronous detection circuits, and an x-axis detection signal component, a y-axis detection signal component and a z-axis detection signal component are separated in the respective synchronous detection circuits. In the synchronous detection circuits, by applying phase division processing to the combined signal, the z-axis detection signal component is separated from cross axis detection signal components and, further, by applying time division processing to the signal components based on switching timing of the carrier wave, the x-axis detection signal component and the y-axis detection signal component are separated from each other.
    • 角速度传感器使用一个放大电路放大多个检测信号,并在放大后适当地分离这些检测信号。 角速度传感器分别使用x轴检测电路,y轴检测电路和z轴检测电路来检测各轴向的质量位移。 将具有从z轴检测电路的载波相位偏移90°的相位的载波施加到x轴检测电路和y轴检测电路,其中载波的应用 并且通过基于时钟信号的切换来执行y轴检测电路。 各轴检测电路的输出被共同地输入到电流/电压转换电路。 电流/电压转换电路的输出信号被输入到三个同步检测电路,并且在各个同步检测电路中分离x轴检测信号分量,y轴检测信号分量和z轴检测信号分量 。 在同步检测电路中,通过对组合信号进行相位分割处理,将z轴检测信号分量与交叉轴检测信号分量分离,并且通过对基于信号分量的切换定时对信号分量进行时分处理 载波,x轴检测信号分量和y轴检测信号分量彼此分离。
    • 4. 发明授权
    • Dynamic amount sensor
    • 动态量传感器
    • US07886597B2
    • 2011-02-15
    • US11703017
    • 2007-02-06
    • Takeshi UchiyamaMitsuo YaritaAkira Egawa
    • Takeshi UchiyamaMitsuo YaritaAkira Egawa
    • G01P9/04G01P15/125
    • G01P15/18G01C19/56G01P1/023G01P15/125G01P2015/0842
    • A dynamic amount sensor has a detecting circuit that detects a change in an electrostatic capacitance of each of electrostatic capacitance elements comprised of a movable electrode and a fixed electrode. A switching circuit switches the detecting circuit to first and second connecting states that detect changes in the electrostatic capacitance of the electrostatic capacitance elements in accordance with a change in an attitude of the movable electrode in corresponding first and second detecting axes directions. In the first and second connecting states, the detecting circuit includes circuits formed by connecting the electrostatic capacitance elements in series which change electrostatic capacitances symmetrically along with inclination of the movable electrode in the corresponding first and second detecting axes directions. A carrier wave applying circuit applies carrier waves whose phases are inverted from each other by 180° to the electrostatic capacitance elements which are connected in series in the first and second connecting states of the detecting circuit.
    • 动态量传感器具有检测电路,其检测由可动电极和固定电极构成的每个静电电容元件的静电电容的变化。 切换电路将检测电路切换到根据在相应的第一和第二检测轴方向上的可动电极的姿态的变化来检测静电电容元件的静电电容的变化的第一和第二连接状态。 在第一和第二连接状态下,检测电路包括通过串联连接静电电容元件而形成的电路,该静电电容元件随着可移动电极在相应的第一和第二检测轴方向上的倾斜度对称地改变静电电容。 载波施加电路将相位相互反转180°的载波与在检测电路的第一和第二连接状态下串联连接的静电电容元件。
    • 5. 发明授权
    • Angular velocity sensor having one amplifying circuit for amplifying plural detection signals
    • 角速度传感器具有用于放大多个检测信号的一个放大电路
    • US07444870B2
    • 2008-11-04
    • US11655576
    • 2007-01-19
    • Takeshi UchiyamaMitsuo YaritaAkira Egawa
    • Takeshi UchiyamaMitsuo YaritaAkira Egawa
    • G01P9/04
    • G01P15/125G01C19/56G01P15/18G01P2015/0842
    • An angular velocity sensor amplifies a plurality of detection signals using one amplifying circuit and separates these detection signals after amplification. The angular velocity sensor detects displacements of a mass in the axial directions using x-, y- and z-axis detection circuits. A carrier wave whose phase is shifted 90° from that of a carrier wave of the z-axis detection circuit is applied to the x- and y-axis detection circuits and outputs of the axis detection circuits are collectively inputted to a current/voltage conversion circuit which outputs a combined signal to three synchronous detection circuits that separate the signal into x-, y- and z-axis detection signal components. In the synchronous detection circuits, by applying phase division processing to the combined signal, the z-axis detection signal component is separated from cross axis detection signal components and by applying time division processing to the signal components based on switching timing of the carrier wave, the x- and y-axis detection signal components are separated from each other.
    • 角速度传感器使用一个放大电路放大多个检测信号,并在放大后分离这些检测信号。 角速度传感器使用x轴,y轴和z轴检测电路检测轴向质量的位移。 将与z轴检测电路的载波相位偏移90°的载波施加到x轴检测电路和y轴检测电路,并将轴检测电路的输出集中输入到电流/电压转换 将组合信号输出到将信号分离成x轴,y轴和z轴检测信号分量的三个同步检测电路的电路。 在同步检测电路中,通过对组合信号进行相位分割处理,将z轴检测信号分量与交叉轴检测信号分量分离,并且通过基于载波的切换定时对信号分量进行时分处理, x轴和y轴检测信号分量彼此分离。
    • 6. 发明申请
    • Dynamic amount sensor
    • 动态量传感器
    • US20070240509A1
    • 2007-10-18
    • US11703017
    • 2007-02-06
    • Takeshi UchiyamaMitsuo YaritaAkira Egawa
    • Takeshi UchiyamaMitsuo YaritaAkira Egawa
    • G01P15/125
    • G01P15/18G01C19/56G01P1/023G01P15/125G01P2015/0842
    • It is an object of the invention to promote a detection sensitivity by effectively utilizing an arranged fixed electrode. Inclinations in x-axis and y-axis directions of a mass are detected in a two-axis detecting circuit. The two-axis detecting circuit is constituted by fixed electrodes having both of an x-axis detecting circuit function and a y-axis detecting circuit function and also having functions for detecting displacements in an x-axis direction and a y-axis direction. The two-axis detecting circuit switches the x-axis detecting circuit function and the y-axis detecting circuit function by switching wirings in the circuit by way of a switching circuit. Switching of a wiring state of the two-axis detecting circuit is carried out at each constant period based on a timing of a specific clock signal. In this way, the fixed electrodes can be used in both of the two circuit functions, and therefore, components in respective axes directions of an angular velocity can be detected based on a total sum of electrode sensitivities of the fixed electrodes. Thereby, a detection sensitivity can be promoted without increasing a sensor size, or increasing electrodes for detection.
    • 本发明的目的是通过有效利用布置的固定电极来提高检测灵敏度。 在双轴检测电路中检测质量的x轴方向和y轴方向的倾斜度。 双轴检测电路由具有x轴检测电路功能和y轴检测电路功能的固定电极构成,并且还具有用于检测x轴方向和y轴方向的位移的功能。 双轴检测电路通过切换电路切换电路中的布线来切换x轴检测电路功能和y轴检测电路功能。 基于特定时钟信号的定时,以每个恒定周期进行双轴检测电路的布线状态的切换。 以这种方式,固定电极可以用于两个电路功能中,因此可以基于固定电极的电极灵敏度的总和来检测角速度的各轴方向上的分量。 因此,可以在不增加传感器尺寸或增加用于检测的电极的情况下促进检测灵敏度。
    • 7. 发明申请
    • Mechanical quantity sensor
    • 机械量传感器
    • US20070051182A1
    • 2007-03-08
    • US11515649
    • 2006-09-05
    • Akira EgawaMitsuo YaritaTakeshi Uchiyama
    • Akira EgawaMitsuo YaritaTakeshi Uchiyama
    • G01B7/16
    • G01P15/123G01P15/0922G01P15/125G01P15/18G01P2015/084
    • Detection accuracy of a sensor is improved by reducing an influence of an exogenous noise. Acceleration acting on an object is detected based on a change of posture of a mass part supported by a flexible substrate. The flexible substrate is fixed at a frame and the mass part is fixed by soldering at the center thereof. When a force such as acceleration acts on the mass part, the posture of the mass part changes and the flexible substrate also becomes deformed. The change of posture of the mass part and the deformation of the flexible substrate are detected based on the amount of change of a circuit constant of a piezoresistive element as a detecting element provided at a beam part. A signal processing circuit for processing a signal detected by the detecting element is formed on an IC chip, by which the mass part is configured. Configuration of the mass part by the IC chip makes, it possible to configure so that a distance between the signal processing circuit and the detecting element can be short and to reduce an influence of an exogenous noise.
    • 通过减少外来噪声的影响,提高了传感器的检测精度。 基于由柔性基板支撑的质量部件的姿势的变化来检测作用在物体上的加速度。 柔性基板固定在框架上,质量部分通过焊接在其中心固定。 当诸如加速度的力作用在质量部分上时,质量部分的姿态改变,并且柔性基板也变形。 基于作为设置在梁部的检测元件的压阻元件的电路常数的变化量来检测质量部分的姿态变化和柔性基板的变形。 在IC芯片上形成用于处理由检测元件检测出的信号的信号处理电路,通过该IC芯片构成质量部。 通过IC芯片构成质量部件,可以构成为使信号处理电路与检测元件之间的距离短,能够减少外部噪声的影响。