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    • 61. 发明申请
    • Load drive device
    • 装载驱动装置
    • US20080247108A1
    • 2008-10-09
    • US12068768
    • 2008-02-12
    • Akira AndoSatoshi Yoshimura
    • Akira AndoSatoshi Yoshimura
    • H02H3/00
    • H02H7/0833H02H11/003
    • A load drive device is provided for outputting a control signal to a driving transistor and for driving a load by switching, the driving transistor and the load being connected in series between a direct current power source and ground. The load drive device includes a reverse connection protection unit which is provided in a line leading from a negative side of the direct current power source, and which blocks a current flowing therethrough when the direct current power source is connected in reverse. A failure detection is performed by a failure detection process by monitoring a change of a current flowing via the reverse connection protection unit during the driving transistor is in a conduction state.
    • 一种负载驱动装置,用于将控制信号输出到驱动晶体管,并通过切换驱动晶体管和负载串联连接在直流电源和地之间来驱动负载。 负载驱动装置包括反向连接保护单元,该反向连接保护单元设置在从直流电源的负侧引出的一行中,并且当直流电源反向连接时阻止流过其中的电流。 通过在驱动晶体管处于导通状态期间监视通过反向连接保护单元流过的电流的变化,通过故障检测处理来执行故障检测。
    • 62. 发明授权
    • Drive device for a secondary air injection system
    • 二次注气系统的驱动装置
    • US07100368B2
    • 2006-09-05
    • US11025153
    • 2004-12-30
    • Makoto ItoAkira AndoShigeru Takeuchi
    • Makoto ItoAkira AndoShigeru Takeuchi
    • F01N3/00
    • F02D41/221F01N3/22F01N3/32F01N11/00F02D2041/2075Y02T10/20Y02T10/40Y02T10/47
    • In a secondary air injection system, MOSFETs control supply of electric current to an air pump and to a motor for driving an electromagnetic valve and to an electromagnetic coil to introduce secondary air into an exhaust gas passage upstream of a catalyst for purifying the exhaust gas of an internal combustion engine. Gate drive circuits control the MOSFETs based on an instruction from an ECU via input signal processing circuits. Abnormal conditions in the operation for controlling the air pump and the electromagnetic valve are detected, and, when an abnormal condition is detected, forcibly turn the MOSFETs off to interrupt the current to the motor and to the electromagnetic coil. A diagnosing circuit sends to the ECU diagnosis signals representing the state of controlling the load.
    • 在二次空气喷射系统中,MOSFET控制向空气泵和用于驱动电磁阀和电磁线圈的电动机的电流供应,以将二次空气引入到用于净化废气的催化剂上游的废气通道 内燃机 栅极驱动电路根据来自ECU的指令通过输入信号处理电路来控制MOSFET。 检测用于控制空气泵和电磁阀的操作的异常情况,并且当检测到异常情况时,强制关闭MOSFET以中断到电动机和电磁线圈的电流。 诊断电路向ECU发送表示控制负载状态的诊断信号。
    • 66. 发明授权
    • Piezoelectric transformer
    • 压电变压器
    • US5959391A
    • 1999-09-28
    • US801905
    • 1997-02-14
    • Koji OgisoAkira Ando
    • Koji OgisoAkira Ando
    • H01L41/107H01L41/22H01L41/08
    • H01L41/257H01L41/107
    • A piezoelectric transformer includes a plate-shaped piezoelectric member having a driving section located at a first portion of the piezoelectric member including a first end and a power-generating section located at a second portion of the piezoelectric member including a second end. The driving section is made by repeatedly and alternately laminating a driving electrode and a portion of the piezoelectric member which is polarized in the thickness direction. The power-generating section includes a power-generating electrode and a portion of the piezoelectric member which is polarized in the longitudinal direction. In the piezoelectric transformer, at least one of the driving section and the power-generating section has an area which is near a boundary between the driving section and the power-generating section which has a lower degree of polarization than the degree of polarization in areas spaced away from the boundary between the driving section and the power-generating section.
    • 压电变压器包括板状压电元件,该板状压电元件具有位于压电元件的第一部分处的驱动部分,该第一部分包括第一端和位于包括第二端的压电元件的第二部分处的发电部。 驱动部通过反复交替地层叠在厚度方向上偏振的驱动电极和压电部件的一部分。 发电部分包括发电电极和沿纵向极化的压电部件的一部分。 在压电变压器中,驱动部和发电部中的至少一个具有在驱动部和发电部之间的边界附近的区域,该区域的偏振度比区域的偏振度低 远离驱动部分和发电部分之间的边界。
    • 67. 发明授权
    • Piezoelectric Transformer
    • 压电变压器
    • US5903086A
    • 1999-05-11
    • US801904
    • 1997-02-14
    • Koji OgisoAkira Ando
    • Koji OgisoAkira Ando
    • H01L41/107H01L41/22H01L41/08
    • H01L41/107H01L41/257Y10T29/42
    • A piezoelectric transformer has a plate shaped piezoelectric member including a driving section disposed at one portion of the piezoelectric member including one end thereof and a power-generating section at the other portion of the piezoelectric member including the other end thereof. The driving section includes driving electrodes and a portion of the piezoelectric member which is polarized in the thickness direction. The power-generating section includes a power-generating electrode and a portion of the piezoelectric member polarized in the longitudinal direction. At least one polarization electrode which is exposed in part on a surface of the piezoelectric member is provided between the driving section and the power-generating electrode. The degree of polarization in a portion of the power generating section located between the driving section and the at least one polarization electrode is lower than the degree of polarization in a portion of the power generating section located between the power-generating electrode and the at least one polarization electrode.
    • 一种压电变压器具有板状的压电元件,该板状压电元件包括​​设置在包括其一端的压电元件的一部分处的驱动部分和在包括其另一端的压电元件的另一部分的发电部分。 驱动部分包括在厚度方向上被偏振的驱动电极和压电部件的一部分。 发电部分包括发电电极和沿长度方向偏振的压电部件的一部分。 在驱动部和发电电极之间设置有部分露出在压电部件的表面上的至少一个极化电极。 位于驱动部和至少一个极化电极之间的发电部的一部分的偏振度低于位于发电电极与至少一个之间的发电部的一部分的极化度 一个极化电极。
    • 68. 发明授权
    • Method of driving piezoelectric bimorph device and piezoelectric bimorph
device
    • 驱动压电二元器件和压电二元器件的方法
    • US5233256A
    • 1993-08-03
    • US828116
    • 1992-01-30
    • Seigo HayashiToshihiko KittakaAkira Ando
    • Seigo HayashiToshihiko KittakaAkira Ando
    • H01L41/09H01L41/22
    • H01L41/0926H01L41/083
    • A method of driving a piezoelectric bimorph device in which first and second piezoelectric ceramic layers are so electrically connected to each other as to expand or contract in the opposite directions, which is characterized in that when t.sub.1 is taken as the thickness of one of the first and second piezoelectric ceramic layers, Ec is taken as the coercive field strength of a piezoelectric material constituting the piezoelectric ceramic layer, and V.sub.1 is taken as the minimum value of the produce Ec.times.t.sub.1 =Vc.sub.1, and t.sub.2 is taken as the thickness of the other piezoelectric ceramic layer, Ec is taken as the coercive field strength Ec of a piezoelectric material constituting the piezoelectric ceramic layer, and V.sub.2 is taken as the minimum value of the produce Ec.times.t.sub.2 =Vc.sub.2, a voltage of not less than (V.sub.1 +V.sub.2) is applied to said piezoelectric bimorph device.
    • 一种驱动压电双晶片装置的方法,其中第一和第二压电陶瓷层彼此电连接以便沿相反方向膨胀或收缩,其特征在于,当将t1作为第一 和第二压电陶瓷层,将Ec作为构成压电陶瓷层的压电材料的矫顽场强度,将V1作为产物Ecxt1 = Vc1的最小值,将t2作为另一个压电陶瓷层的厚度 陶瓷层,Ec作为构成压电陶瓷层的压电材料的矫顽场强度Ec,将V2作为产物Ecxt2 = Vc2的最小值,施加不小于(V1 + V2)的电压 到所述压电双压电晶片装置。
    • 69. 发明授权
    • Imaging sensing device, image sensing processing device, and image processing method
    • 成像感测装置,图像感知处理装置和图像处理方法
    • US08860874B2
    • 2014-10-14
    • US13336443
    • 2011-12-23
    • Tomoaki NishiguchiHideharu OnoAkira AndoMakoto Asuka
    • Tomoaki NishiguchiHideharu OnoAkira AndoMakoto Asuka
    • G02B27/10G03B13/00H04N5/225H04N5/228H04N5/232G02B7/36
    • G02B7/36H04N5/23212
    • For improving picture quality in auto-focus control, image processing device 10 adjusts output picture imaged by image pick-up element 4 and displayed by a display section, comprises storage section 13 for storing predetermined de-focus threshold value of variation amount of intensity value of output picture; first adder section 12 for calculating intensity value time difference variation amount between intensity value of output picture being input and intensity value of the predetermined-time previous output picture before the output picture is input; and variation amount comparison section 14 for comparing intensity value time difference variation amount and de-focus threshold value, wherein when variation amount comparison section determines that intensity value time difference variation amount is less than de-focus threshold value to be a comparison object, intensity value of output picture after being adjusted is calculated by subtracting intensity value time difference variation amount from intensity value of output picture being input.
    • 为了提高自动聚焦控制中的图像质量,图像处理装置10调整由图像拾取元件4成像并由显示部显示的输出图像,包括存储部13,用于存储强度值变化量的预定去焦点阈值 的输出图片; 第一加法器部分12,用于计算输入输出图像的强度值和输出图像之前的预定时间先前输出图像的强度值之间的强度值时间差变化量; 以及用于比较强度值时间差变化量和去焦点阈值的变化量比较部分14,其中当变化量比较部分确定强度值时间差异变化量小于作为比较对象的去焦点阈值时,强度 通过从输入的输出图像的强度值中减去强度值时间差变化量来计算调整后的输出图像的值。
    • 70. 发明授权
    • Imaging device
    • 成像设备
    • US08228623B2
    • 2012-07-24
    • US13117175
    • 2011-05-27
    • Akira AndoToshiyuki YokoyamaHideharu OnoTomoaki NishiguchiHiroyuki Miyahara
    • Akira AndoToshiyuki YokoyamaHideharu OnoTomoaki NishiguchiHiroyuki Miyahara
    • G02B7/02G03B17/00
    • G03B3/10G02B7/28G03B13/34H04N5/23212
    • In order to obtain stable lens positions to have an object imaged in focus when the temperature of lenses changes, an imaging device of the present invention comprises a system control section 60 having a imaging mode and a correction mode, the imaging mode in which a group of lenses 10 are controlled and moved to focusing positions for a predetermined distance at first and are further moved to correct the focusing positions for the predetermined distance to the object during imaging according to the temperature compensation data, the correction mode in which the group of lenses 10 are controlled and moved to have the temperature compensation data corrected when the temperature change is larger than or equal to a predetermined temperature difference, a correction coefficient calculation section 50 for calculating the correction coefficient to correct the temperature compensation data based on first focusing positions of the group of lenses to which the group of lenses are moved according to the temperature compensation data before corrected and second focusing positions of the group of the lenses to which the group of the lenses are automatically moved from the first focusing positions to have the object the predetermined distance away imaged in focus based on the focus evaluation value under a condition under which a moving range of the group of lenses is restricted, when the system control section is on the correction mode, a temperature compensation data correction section 51 for correcting the temperature compensation data to be used for the imaging mode based on the correction coefficient calculated by the correction coefficient calculation section.
    • 为了获得稳定的透镜位置以使透镜的温度变化时成像为对象,本发明的成像装置包括具有成像模式和校正模式的系统控制部60,其中,组 透镜10被控制并首先移动到聚焦位置预定距离,并且根据温度补偿数据进一步移动以在成像期间将对焦位置校正到物体预定距离,该组透镜 10被控制并移动以使温度补偿数据在温度变化大于或等于预定温度差时被校正;校正系数计算部分50,用于基于第一聚焦位置计算修正系数以校正温度补偿数据; 一组透镜组合的镜片组合 根据该组透镜的校正和第二聚焦位置之间的温度补偿数据自动地从第一聚焦位置移动,以使物体的预定距离远离成像焦点的焦点评估值 在该组透镜的移动范围被限制的条件下,当系统控制部分处于校正模式时,温度补偿数据校正部分51用于校正要用于成像模式的温度补偿数据,该温度补偿数据基于 由校正系数计算部计算出的校正系数。