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    • 21. 发明申请
    • Surface shape recognition sensor and method of fabricating the same
    • 表面形状识别传感器及其制造方法
    • US20070134837A1
    • 2007-06-14
    • US11704024
    • 2007-02-07
    • Norio SatoKatsuyuki MachidaSatoshi ShigematsuHiroki Morimura
    • Norio SatoKatsuyuki MachidaSatoshi ShigematsuHiroki Morimura
    • H01L21/00
    • G06K9/0002Y10S438/942
    • A structure (113b) which includes an overhang and a support portion supporting substantially the center of the overhang, and in which the area of the support portion is smaller than the area of the overhang in the two-dimensional direction of an upper electrode (1110b) is formed on the upper electrode (110a) in a region above each lower electrode 105a in one-to-one correspondence with the lower electrode (105a). An object of surface shape sensing, e.g., the tip of a finger (1602) touches the surface of the overhang of the structure (113b), and the support portion of the structure (113b) whose overhang is in contact with the object of sensing pushes down a portion of the upper electrode (110a) toward the lower electrode (105a), thereby deforming the upper electrode (110a).
    • 1.一种结构(113b),其包括突出端和支撑部分,所述支撑部分基本上支撑所述突出部的中心,并且所述支撑部分的面积小于所述上部电极的二维方向上的所述突出部分的面积( 1110b)形成在每个下电极105a上的区域中的上电极(110a)上,与下电极(105a)一一对应地形成。 表面形状检测的目的,例如手指的尖端(1602)接触结构(113b)的突出部分的表面,并且结构(113b)的支撑部分(113b)的突出部与物体接触 的感测将上部电极(110a)的一部分朝向下部电极(105a)下压,从而使上部电极(110a)变形。
    • 23. 发明授权
    • Surface shape recognizing sensor device
    • 表面形状识别传感器装置
    • US07606399B2
    • 2009-10-20
    • US10582128
    • 2005-07-15
    • Hiroki MorimuraMamoru NakanishiSatoshi ShigematsuTakahiro HatanoYukio OkazakiKatsuyuki Machida
    • Hiroki MorimuraMamoru NakanishiSatoshi ShigematsuTakahiro HatanoYukio OkazakiKatsuyuki Machida
    • G06K9/00
    • G06K9/0002A61B5/1172A61B2562/0209A61B2562/046
    • A sensor cell includes a sensor electrode (101) formed on a substrate (100), a signal output unit (16) which outputs a signal corresponding to a capacitance (Cf) formed between the sensor electrode and the surface of a finger (3), a high-sensitivity electrode (103) formed on the substrate so as to be insulated and isolated from the sensor electrode, and a potential controller (14) which controls the potential of the finger surface via a capacitance (Cc) formed between the high-sensitivity electrode and the finger surface by controlling the potential of the high-sensitivity electrode. In this arrangement, when the resistance of the finger is high, the potential of the finger surface can be controlled so as not to fluctuate with the potential change of the sensor electrode. This makes it possible to increase the sensitivity of detection of the capacitance formed between the sensor electrode and the finger surface, so ridges and valleys of the finger surface can be clearly discriminated by outputs from a plurality of sensor cells.
    • 传感器单元包括形成在基板(100)上的传感器电极(101),输出对应于形成在传感器电极和手指表面之间的电容(Cf)的信号的信号输出单元(16) ,形成在所述基板上以与所述传感器电极绝缘和隔离的高灵敏度电极(103),以及电位控制器(14),其经由形成在所述高电平之间的电容(Cc)来控制所述手指表面的电位 通过控制高灵敏度电极的电位,感光电极和手指表面。 在这种布置中,当手指的电阻高时,手指表面的电位可以被控制成不会随着传感器电极的电位变化而波动。 这使得可以提高检测传感器电极和手指表面之间的电容的灵敏度,因此可以通过多个传感器单元的输出来清楚地识别手指表面的脊和谷。
    • 24. 发明申请
    • Surface Shape Recognizing Sensor Device
    • 表面形状识别传感器装置
    • US20080056543A1
    • 2008-03-06
    • US10582128
    • 2005-07-15
    • Hiroki MorimuraMamoru NakanishiSatoshi ShigematsuTakahiro HatanoYukio OkazakiKatsuyuki Machida
    • Hiroki MorimuraMamoru NakanishiSatoshi ShigematsuTakahiro HatanoYukio OkazakiKatsuyuki Machida
    • G06K9/00A61B5/117G01B7/28
    • G06K9/0002A61B5/1172A61B2562/0209A61B2562/046
    • A sensor cell includes a sensor electrode (101) formed on a substrate (100), a signal output unit (16) which outputs a signal corresponding to a capacitance (Cf) formed between the sensor electrode and the surface of a finger (3), a high-sensitivity electrode (103) formed on the substrate so as to be insulated and isolated from the sensor electrode, and a potential controller (14) which controls the potential of the finger surface via a capacitance (Cc) formed between the high-sensitivity electrode and the finger surface by controlling the potential of the high-sensitivity electrode. In this arrangement, when the resistance of the finger is high, the potential of the finger surface can be controlled so as not to fluctuate with the potential change of the sensor electrode. This makes it possible to increase the sensitivity of detection of the capacitance formed between the sensor electrode and the finger surface, so ridges and valleys of the finger surface can be clearly discriminated by outputs from a plurality of sensor cells.
    • 传感器单元包括形成在基板(100)上的传感器电极(101),输出对应于形成在传感器电极和手指表面之间的电容(Cf)的信号的信号输出单元(16) ,形成在所述基板上以与所述传感器电极绝缘和隔离的高灵敏度电极(103),以及电位控制器(14),其经由形成在所述高电平之间的电容(Cc)来控制所述手指表面的电位 通过控制高灵敏度电极的电位,感光电极和手指表面。 在这种布置中,当手指的电阻高时,手指表面的电位可以被控制成不会随着传感器电极的电位变化而波动。 这使得可以提高检测传感器电极和手指表面之间的电容的灵敏度,因此可以通过多个传感器单元的输出来清楚地识别手指表面的脊和谷。
    • 27. 发明授权
    • Fingerprint recognition apparatus and data processing method
    • 指纹识别装置及数据处理方法
    • US06671392B1
    • 2003-12-30
    • US09472392
    • 1999-12-23
    • Satoshi ShigematsuHiroki MorimuraKatsuyuki Machida
    • Satoshi ShigematsuHiroki MorimuraKatsuyuki Machida
    • G06K900
    • G06K9/00006A61B5/1172
    • The fingerprint recognition apparatus of this invention has a plurality of pixel units. Each pixel unit has a fingerprint sensor circuit including a sensor element for converting a three-dimensional pattern of a skin surface of a finger coming into contact with the element into an electrical signal, and a sensor circuit for processing the electrical signal converted by the sensor element and outputting predetermined data. Each pixel unit also has a fingerprint memory in which user's registered fingerprint data and a recognition circuit for collating the fingerprint data detected by the fingerprint sensor circuit with the registered fingerprint data. A control circuit controls the pixel units and totalizes recognition results.
    • 本发明的指纹识别装置具有多个像素单元。 每个像素单元具有指纹传感器电路,其包括用于将与元件接触的手指的皮肤表面的三维图案转换为电信号的传感器元件,以及用于处理由传感器转换的电信号的传感器电路 并输出预定数据。 每个像素单元还具有指纹存储器,用户登记的指纹数据和用于将由指纹传感器电路检测到的指纹数据与登记的指纹数据进行对照的识别电路。 控制电路控制像素单元并且总计识别结果。
    • 28. 发明授权
    • Surface shape recognition apparatus
    • 表面形状识别装置
    • US06714666B1
    • 2004-03-30
    • US09590879
    • 2000-06-09
    • Hiroki MorimuraSatoshi ShigematsuKatsuyuki MachidaHakaru Kyuragi
    • Hiroki MorimuraSatoshi ShigematsuKatsuyuki MachidaHakaru Kyuragi
    • G06K900
    • G06K9/0002
    • A surface shape recognition apparatus includes a plurality of sensor electrodes, passivation film, capacitance detection circuit, and ground electrode. The sensor electrodes are formed on an interlevel insulator on a substrate and insulated from each other. The passivation film is formed on the interlevel insulator to cover the upper and side surfaces of each sensor electrode. The passivation film is formed from a dielectric material. When a target recognition object comes into contact with the surface of the passivation film, the capacitance detection circuit detects an electrostatic capacitance formed between the sensor electrode and the surface of the target recognition object opposing the sensor electrode. The ground electrode passes static electricity on the surface of the passivation film.
    • 表面形状识别装置包括多个传感器电极,钝化膜,电容检测电路和接地电极。 传感器电极形成在基板上的层间绝缘体上并彼此绝缘。 钝化膜形成在层间绝缘体上以覆盖每个传感器电极的上表面和侧表面。 钝化膜由电介质材料形成。 当目标识别对象与钝化膜的表面接触时,电容检测电路检测在传感器电极与与传感器电极相对的目标识别对象的表面之间形成的静电电容。 接地电极在钝化膜的表面上传递静电。
    • 29. 发明授权
    • Surface shape recognition apparatus and method
    • 表面形状识别装置及方法
    • US06917694B1
    • 2005-07-12
    • US09573615
    • 2000-05-17
    • Katsuyuki MachidaSatoshi ShigematsuHiroki MorimuraHakaru KyuragiTakuya Adachi
    • Katsuyuki MachidaSatoshi ShigematsuHiroki MorimuraHakaru KyuragiTakuya Adachi
    • A61B5/117G06K9/00G06F7/04
    • G06K9/00006A61B5/1172
    • A surface shape recognition apparatus includes detection circuit, comparison circuit, storage circuit, and control circuit. The detection circuit electrically detects a surface shape pattern in a partial region of the target collation surface of an object using a plurality of sensor elements and outputs detection data representing the surface shape pattern. The comparison circuit compares the detection data from the detection circuit with predetermined collation data and outputs a comparison result. The storage circuit stores template data representing the surface shape pattern of the entire target collation surface, the template data being obtained from the object in advance. The control circuit partially reads out, as collation data, the template data stored in the storage circuit from an arbitrary position, outputs the collation data to the comparison circuit, and performs determination for authentication between the template data and the object on the basis of the comparison result from the comparison circuit. A surface shape recognition method is also disclosed.
    • 表面形状识别装置包括检测电路,比较电路,存储电路和控制电路。 检测电路使用多个传感器元件电检测物体的目标核对表面的部分区域中的表面形状图案,并输出表示形状图案的检测数据。 比较电路将来自检测电路的检测数据与预定核对数据进行比较,并输出比较结果。 存储电路存储表示整个目标对照表面的表面形状图案的模板数据,模板数据是从对象预先获得的。 控制电路作为核对数据部分地从任意位置读出存储在存储电路中的模板数据,将对照数据输出到比较电路,并基于该模板数据进行对模板数据与对象之间的认证的确定 比较电路的比较结果。 还公开了一种表面形状识别方法。
    • 30. 发明授权
    • Biometric image collation apparatus and collation method therefor
    • 生物图像对比装置及其对照方法
    • US07673145B2
    • 2010-03-02
    • US10515566
    • 2004-03-05
    • Takahiro HatanoSatoshi ShigematsuHiroki MorimuraNamiko IkedaYukio OkazakiKatsuyuki MachidaMamoru Nakanishi
    • Takahiro HatanoSatoshi ShigematsuHiroki MorimuraNamiko IkedaYukio OkazakiKatsuyuki MachidaMamoru Nakanishi
    • H04L9/00
    • G06K9/00067G06K9/00087G06K9/036
    • This invention includes an image quality priority level decision processing unit (40) which evaluates the magnitude of an image quality of each of a plurality of first image data formed from biometric images associated with the same target on the basis of a specific index having the relationship of a monotone function with authentication accuracy of biometric authentication, and outputs each of the first image data upon adding a priority level thereto on the basis of the evaluation result, a first image storage (6, 81) unit which stores each of the first image data having a priority level added thereto from the image quality priority level decision processing unit (40), a second image storage unit (8, 61) which stores second image data used for comparison/collation with the first image data, an image collation unit (7) which compares/collates the second image data stored in the second image storage unit (8, 61) with the first image data stored in the first image storage unit (6, 81) and outputs the comparison/collation result, and a control unit (9) which controls each of the units. The control unit (9) causes the image collation unit (7) to compare/collate the second image data stored in the second image storage unit (8, 61) with the first image data stored in the first image storage unit (6, 81) in accordance with the priority levels, and outputs the comparison/collation result from the image collation unit (7).
    • 本发明包括图像质量优先级决定处理单元(40),其根据具有关系的特定索引来评估由与相同目标相关联的生物特征图像形成的多个第一图像数据中的每一个的图像质量的大小 具有生物体认证的认证精度的单调函数,并且基于评估结果向其添加优先级,并输出每个第一图像数据;第一图像存储器(6,81)单元,其存储每个第一图像 从图像质量优先级判定处理单元(40)向其添加优先级的数据,存储用于与第一图像数据进行比较/对照的第二图像数据的第二图像存储单元(8,61),图像对照单元 (7),其将存储在第二图像存储单元(8,61)中的第二图像数据与存储在第一图像存储单元(6,81)中的第一图像数据进行比较/比较 d输出比较/核对结果,以及控制单元(9)。 控制单元(9)使图像核对单元(7)将存储在第二图像存储单元(8,61)中的第二图像数据与存储在第一图像存储单元(6,81中)的第一图像数据进行比较/ ),并且从图像对照单元(7)输出比较/核对结果。