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1. 发明专利

JP2011153904A Sensor-voltage processing circuit 有权
标题翻译：传感器电压处理电路
公开(公告)号：JP2011153904A
公开(公告)日：2011-08-11
申请号：JP2010015412
申请日：2010-01-27
申请人： Denso Corp , Toyota Central R&D Labs Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： MIZUNO KENTARO , HASHIMOTO SHOJI , OTA NORIKAZU , TAKEUCHI HISAYUKI , OKAMURA AKIRA , ITO OSAMU
IPC分类号： G01R19/04 , G01L9/04
摘要： PROBLEM TO BE SOLVED: To provide a sensor-voltage processing circuit, capable of properly removing a true signal voltage, in opposition to the fluctuations of a supply voltage. SOLUTION: A piezoresistive element 23 of a combustion pressure sensor 20 is connected to a power source via a constant-current source 22. In the sensor voltage processing circuit 30, a grounded first capacitor 32 and a second capacitor 33, connected to the power source via a constant-voltage source 34, are connected through voltage preservation wiring 37. The capacity ratio between the first capacitor 32 and the second capacitor 33 is set so as to agree with the ratio between a reference preservation voltage which is substantially an intermediate value of an estimated fluctuation range of a preservation voltage Vk and a voltage, determined by subtracting the reference preservation voltage from the rated voltage of the power source. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种与电源电压的波动相反的能够适当地去除真实信号电压的传感器电压处理电路。解决方案：燃烧压力传感器20的压阻元件23通过恒流源22连接到电源。在传感器电压处理电路30中，接地的第一电容器32和第二电容器33连接到经由恒压源34的电源通过电压保持布线37连接。第一电容器32和第二电容器33之间的容量比被设定为与基本保持电压基本上为保存电压Vk的推定波动范围的中间值和通过从电源的额定电压减去基准保持电压而决定的电压。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2011009938A Hold circuit 有权
标题翻译：保持电路
公开(公告)号：JP2011009938A
公开(公告)日：2011-01-13
申请号：JP2009149981
申请日：2009-06-24
申请人： Denso Corp , Toyota Central R&D Labs Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： MIZUNO KENTARO , HASHIMOTO SHOJI , OTA NORIKAZU , TAKEUCHI HISAYUKI , ITO OSAMU
IPC分类号： H03K17/687 , G11C27/02
摘要： PROBLEM TO BE SOLVED: To provide a hold circuit for suppressing fluctuation in output voltage during hold operation.SOLUTION: The hold circuit 100 includes a hold capacitor 140, an operational amplifier 110, a first pMOS 130, a buffer amplifier 150, and a voltage adjustment circuit 120. The voltage of an input signal is applied to a non-inverted input end of the operational amplifier 110, and the voltage of the hold capacitor 140 is applied to an inverted input end. The first pMOS 130 with a gate G and a drain D connected thereto functions as a rectifying device for allowing a current to flow to the drain D from a source S. An input end of the rectifying device is connected to an output end of the operational amplifier, and the output end thereof is connected to the other end of the hold capacitor. The voltage adjustment circuit 120 is connected between the output end of the operation amplifier and the input end of rectifying device, and when the voltage of the output end of the operational amplifier is lower than the voltage of the output end of the buffer amplifier, the voltage of the input end of the rectifying device is made higher than the voltage of the output end of the operational amplifier.
摘要翻译：要解决的问题：提供一种用于抑制保持操作期间输出电压波动的保持电路。解决方案：保持电路100包括保持电容器140，运算放大器110，第一pMOS 130，缓冲放大器150和电压输入信号的电压被施加到运算放大器110的非反相输入端，并且保持电容器140的电压被施加到反相输入端。连接有栅极G和漏极D的第一个pMOS 130用作用于允许电流从源极S流到漏极D的整流装置。整流装置的输入端连接到操作的输出端放大器，其输出端连接到保持电容的另一端。电压调节电路120连接在运算放大器的输出端和整流装置的输入端之间，并且当运算放大器的输出端的电压低于缓冲放大器的输出端的电压时，使整流装置的输入端的电压高于运算放大器的输出端的电压。

3. 发明专利

JP2010262709A Hold circuit 有权
标题翻译：保持电路
公开(公告)号：JP2010262709A
公开(公告)日：2010-11-18
申请号：JP2009113927
申请日：2009-05-08
申请人： Denso Corp , Toyota Central R&D Labs Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： MIZUNO KENTARO , HASHIMOTO SHOJI , OTA NORIKAZU , TAKEUCHI HISAYUKI , ITO OSAMU
IPC分类号： G11C27/02
摘要： PROBLEM TO BE SOLVED: To provide a hold circuit that suppresses a temporal drift of an output voltage during a hold operation. SOLUTION: A hold circuit 100 includes an input terminal 106, an output terminal 114, a MOS transistor 108 for switching, a hold capacitor 112, and a buffer amplifier 109. The hold capacitor 112 stores charge which flows in from the input terminal. The MOS transistor 108 for switching switches conduction and interception between the input terminal and the hold capacitor 112. The buffer amplifier 109 intervenes between the hold capacitor and the output terminal. The buffer amplifier 109 includes a chopper amplifier 110 with an inversion input edge connected to an output edge and a non-inverting input edge connected to the hold capacitor 112. The output edge of the chopper amplifier 110 is connected to a back gate of the MOS transistor 108 for switching. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种在保持操作期间抑制输出电压的时间漂移的保持电路。解决方案：保持电路100包括输入端子106，输出端子114，用于切换的MOS晶体管108，保持电容器112和缓冲放大器109.保持电容器112存储从输入端流入的电荷终奌站。用于切换开关的MOS晶体管108在输入端子和保持电容器112之间导通和截止。缓冲放大器109介于保持电容器和输出端子之间。缓冲放大器109包括具有连接到输出边缘的反相输入边缘和连接到保持电容器112的非反相输入边缘的斩波放大器110.斩波放大器110的输出边缘连接到MOS的背栅极用于切换的晶体管108。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2012174291A Hold circuit 有权
标题翻译：保持电路
公开(公告)号：JP2012174291A
公开(公告)日：2012-09-10
申请号：JP2011032349
申请日：2011-02-17
申请人： Toyota Central R&D Labs Inc , Denso Corp , 株式会社デンソー , 株式会社豊田中央研究所
发明人： MIZUNO KENTARO , HASHIMOTO SHOJI , OHIRA YOSHIE , TAKEUCHI HISAYUKI , ITO OSAMU
IPC分类号： G11C27/00 , H03K17/00
摘要： PROBLEM TO BE SOLVED: To provide a hold circuit capable of satisfactorily adjusting the degree of falling or rising of holding voltage.SOLUTION: A hold circuit 10 includes an input terminal 20, first output terminal 22, reference voltage terminal 24, operational amplifier 30, diode 32, capacitor 36, resistor R0, and voltage generation circuit 50. In the capacitor 36, one end is connected to a connection point 26, and the other end is connected to the reference voltage terminal 24. In the resistor R0, one end is connected to the connection point 26. An anode of a diode 52 is connected to the connection point 26 through an operational amplifier 38. The other end of the resistor R0 is connected to an intermediate connection point 58. In the operational amplifier 30, a noninverted input terminal 30b is connected to the input terminal 20, an inverted input terminal 30a is connected to the connection point 26, and an output terminal 30c is connected to the diode 32. The voltage generation circuit 50 generates offset voltage V23 changed from output voltage V22 inputted to the diode 52 and outputs the offset voltage V23 from the intermediate connection point 58.
摘要翻译：要解决的问题：提供能够令人满意地调节保持电压的下降或上升的保持电路。保持电路10包括输入端子20，第一输出端子22，参考电压端子24，运算放大器30，二极管32，电容器36，电阻器R0和电压产生电路50.在电容器36中，一个端部连接到连接点26，另一端连接到参考电压端子24.在电阻器R0中，一端连接到连接点26.二极管52的阳极连接到连接点26 通过运算放大器38.电阻器R0的另一端连接到中间连接点58.在运算放大器30中，非反相输入端子30b连接到输入端子20，反相输入端子30a连接到连接点26和输出端子30c连接到二极管32.电压产生电路50产生从输入到二极管52的输出电压V22变化的偏移电压V23，并输出偏移电压V23 fr 中间连接点58。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011163915A Pressure sensor 有权
标题翻译：压力传感器
公开(公告)号：JP2011163915A
公开(公告)日：2011-08-25
申请号：JP2010026756
申请日：2010-02-09
申请人： Denso Corp , Toyota Central R&D Labs Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： MIZUNO KENTARO , HASHIMOTO SHOJI , TAKEUCHI HISAYUKI , OKAMURA AKIRA , ITO OSAMU
IPC分类号： G01L23/22
摘要： PROBLEM TO BE SOLVED: To provide a pressure sensor capable of preventing thermal deformation of a diaphragm, and capable of also preventing pressure detection accuracy from being lowered by soot generated in a combustion chamber. SOLUTION: The pressure sensor 10 is arranged at a position facing a combustion chamber of an internal combustion engine. The pressure sensor 10 includes: a housing 20; a diaphragm 30 which is fixed to the housing 20 and partitions the inside from the outside of the housing 20; a sensor part 50 whose output value changes in accordance with the deformation of the diaphragm 30; and a fire-resistant heat-insulating member 40 which foams on the outside surface of the diaphragm 30 and covers the whole of the outside surface. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止隔膜的热变形的压力传感器，并且还能够防止由燃烧室中产生的烟灰降低压力检测精度。解决方案：压力传感器10布置在面向内燃机的燃烧室的位置。压力传感器10包括：壳体20; 隔膜30，其固定到壳体20并且将壳体20的外侧隔开; 其输出值根据隔膜30的变形而变化的传感器部50; 以及在隔膜30的外表面上发泡并覆盖整个外表面的耐火隔热构件40。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2012220201A Pressure sensor 有权
标题翻译：压力传感器
公开(公告)号：JP2012220201A
公开(公告)日：2012-11-12
申请号：JP2011082798
申请日：2011-04-04
申请人： Toyota Central R&D Labs Inc , Denso Corp , 株式会社デンソー , 株式会社豊田中央研究所
发明人： MIZUNO KENTARO , HASHIMOTO SHOJI , TAKEUCHI HISAYUKI , ITO OSAMU
IPC分类号： G01L23/10 , G01L23/18
摘要： PROBLEM TO BE SOLVED: To provide a pressure sensor which is capable of stably performing accurate pressure measurement.SOLUTION: A pressure sensor 100 comprises a housing 108, a pressure receiving pin 132, a force detection element 116 and a filling member 140. The housing 108 includes a guide hole 128a which is bored on a top end face 108c. The pressure receiving pin 132 is arranged displaceable in the guide hole 128a. The force detection element 116 is disposed at a housing rear end side rather than the pressure receiving pin 132 while being opposed with a rear end face 132a of the pressure receiving pin 132. The filling member 140 has a spring constant smaller than that of the pressure receiving pin 132 and the housing 108 and is disposed in a gap between the pressure receiving pin 132 and the guide hole 128a. A top end face 140c of the filling member 140 is positioned within the same plane or at a housing top end side with respect to a face which is positioned at a housing rear end side, between the top end face 108c of the housing 108 and a top end face 132c of the pressure receiving pin 132.
摘要翻译：要解决的问题：提供能够稳定地进行精确的压力测量的压力传感器。解决方案：压力传感器100包括壳体108，压力接收销132，力检测元件116和填充构件140.壳体108包括在顶端面108c上钻孔的引导孔128a。压力接收销132布置成可在引导孔128a中移位。力检测元件116设置在壳体后端侧而不是压力接收销132的同时与压力接收销132的后端面132a相对。填充构件140具有比压力的弹簧常数小的弹簧常数接收销132和壳体108，并且设置在压力接收销132和引导孔128a之间的间隙中。填充构件140的顶端面140c相对于位于壳体后端侧的面，位于壳体108的顶端面108c和位于壳体后端侧的面之间的同一平面内或壳体顶端侧压力接收销132的顶端面132c。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2011149857A Mounting structure of pressure sensor 有权
标题翻译：压力传感器安装结构
公开(公告)号：JP2011149857A
公开(公告)日：2011-08-04
申请号：JP2010012018
申请日：2010-01-22
申请人： Denso Corp , Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： HONDA ATSUSHI , TAKEUCHI HISAYUKI , YASUDA HIROMICHI
IPC分类号： G01L23/26
摘要： PROBLEM TO BE SOLVED: To screw a pressure sensor into a mounting hole in an engine block without allowing a seal member to be affected by friction and an axial deflection caused by turns of a screw.
SOLUTION: The pressure sensor 100 includes a cylindrical body 1 having a pressure receiving part 11 at one end and inserted into the mounting hole 201 from one end which is provided with the seal member 300. The other end of the body 1 is provided with a separately composed screw member 3 having a first threaded part 3a, an inner surface of the mounting hole 201 has a second threaded part 203, and screwing is performed by both the threaded parts 3a and 203 by turning the screw member 3 around an axis of the mounting hole 201. Since there is a clearance between the body 1 and the screw member 3, the body 1 is not turned together with the screw member 3 while the screw member 3 is turned. The screw member 3 is provided with a retaining part 3b pressing the body 1 against the mounting hole 201 by a binding force of screwing.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：将压力传感器拧入发动机缸体中的安装孔，而不会使密封构件受到摩擦和螺杆转动引起的轴向偏转的影响。解决方案：压力传感器100包括一个圆筒体1，其一端具有压力接收部分11，并从设置有密封构件300的一端插入到安装孔201中。主体1的另一端为设置有具有第一螺纹部3a的单独构成的螺纹构件3，安装孔201的内表面具有第二螺纹部203，并且通过将螺钉构件3旋转在螺纹构件3周围，由螺纹部3a和203进行螺纹连接由于在主体1和螺钉构件3之间存在间隙，所以当螺钉构件3转动时，主体1不与螺纹构件3一起旋转。螺杆构件3设置有保持部3b，通过旋拧的约束力将主体1按压在安装孔201上。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2006090789A Pressure sensor 审中-公开
标题翻译：压力传感器
公开(公告)号：JP2006090789A
公开(公告)日：2006-04-06
申请号：JP2004275116
申请日：2004-09-22
申请人： Denso Corp , 株式会社デンソー
发明人： TAKEUCHI HISAYUKI
IPC分类号： G01L9/00
摘要： PROBLEM TO BE SOLVED: To provide a pressure sensor capable of detecting accurately pressures in a plurality of different pressure ranges.
SOLUTION: A plurality of amplifying circuits 4a, 4b or the like for amplifying an electric signal output from the sensing part 3 to be output is provided in one sensing part 3, and amplification factors of the plurality of amplifying circuits 4a, 4b are made different respectively. By this constitution of the pressure sensor, the pressure within the pressure range is detected accurately by an output from the one amplifying circuit 4a out of the plurality of amplifying circuits 4a, 4b, when a pressure medium 2 impresses the pressure to the sensing part 3, and the pressure outside the pressure range is detected by an output from the other amplifying circuit 4b when the pressure is impressed.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够精确地检测多个不同压力范围内的压力的压力传感器。解决方案：在一个感测部分3中设置有用于放大从感测部分3输出的电信号的多个放大电路4a，4b等，并且多个放大电路4a，4b的放大系数分别是不同的。通过压力传感器的结构，当压力介质2向感测部件3施加压力时，通过多个放大电路4a，4b中的一个放大电路4a的输出，精确地检测压力范围内的压力并且当施加压力时，来自另一放大电路4b的输出检测压力范围外的压力。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2012122742A Sensor evaluation apparatus 有权
标题翻译：传感器评估装置
公开(公告)号：JP2012122742A
公开(公告)日：2012-06-28
申请号：JP2010271287
申请日：2010-12-06
申请人： Denso Corp , Nippon Soken Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： SUGINO MASAYOSHI , HONDA ATSUSHI , TAKEUCHI HISAYUKI , YASUDA HIROMICHI
IPC分类号： G01L27/00
摘要： PROBLEM TO BE SOLVED: To provide a sensor evaluation apparatus capable of changing frequency characteristics of shock force to be applied to a detection part of shock force detection means when evaluating the performance of the shock force detection means.SOLUTION: The sensor evaluation apparatus includes: a housing 20 in which an evaluation chamber 21 filled with liquid having insulation is formed in its inside and a discharge electrode 22a and a detection part 10a of a shock sensor 10 are arranged in the evaluation chamber 21 through an insulator 22b; a spark discharge circuit part 3 for generating spark discharge in the evaluation chamber 21 by discharging electricity from the discharge electrode 22a; a plasma discharge circuit part 4 for generating plasma discharge in the evaluation chamber 21 and generating a shock wave by allowing a plasma current to flow into the discharge electrode 22a after the spark discharge; and a discharge control device 100 for controlling discharge in the spark discharge circuit part 3 and the plasma discharge circuit part 4. Further, the plasma discharge circuit part 4 includes a filter circuit 43 capable of changing the frequency characteristics of the plasma current in accordance with a control signal from the discharge control device 100.
摘要翻译：要解决的问题：提供一种传感器评估装置，当评估冲击力检测装置的性能时，能够改变施加到冲击力检测装置的检测部分的冲击力的频率特性。传感器评估装置包括：壳体20，其中在其内部形成有填充有具有绝缘性的液体的评估室21，并且在评估中布置有放电电极22a和冲击传感器10的检测部分10a 室21通过绝缘体22b; 用于通过从放电电极22a放电来在评估室21中产生火花放电的火花放电电路部分3; 等离子体放电电路部分4，用于在评估室21中产生等离子体放电，并在火花放电之后通过允许等离子体电流流入放电电极22a产生冲击波; 以及用于控制火花放电电路部分3和等离子体放电电路部分4中的放电的放电控制装置100.此外，等离子体放电电路部分4包括能够改变等离子体电流的频率特性的滤波电路43 来自放电控制装置100的控制信号。（C）2012，JPO＆INPIT

10. 发明专利

JP2008089492A Pressure sensor and mounting structure for pressure sensor 有权
标题翻译：压力传感器的压力传感器和安装结构
公开(公告)号：JP2008089492A
公开(公告)日：2008-04-17
申请号：JP2006272609
申请日：2006-10-04
申请人： Denso Corp , 株式会社デンソー
发明人： TAKEUCHI HISAYUKI , TOYODA INEO , MATSUI HIROKI
IPC分类号： G01L23/28 , G01L9/00 , H01L29/84
CPC分类号： G01L23/18 , G01L19/0645 , G01L23/28
摘要： PROBLEM TO BE SOLVED: To appropriately lower the temperature of a pressure-receiving diaphragm and a sensor chip, in a pressure sensor for performing pressure detection by transmitting pressure received by the pressure-receiving diaphragm to the sensor chip through a pressure transmitting member.
SOLUTION: The pressure sensor 100 is mounted on an engine 200 by inserting a hollow cylindrical metallic case 20 into a mounting hole 201 formed in the engine 200 where oil W circulates. Along with forming an oil passage 60 in the metallic case 20, passages 71, 72 for flowing the oil W are formed in a housing 30 too, and the portion between the engine 200 and the pressure sensor 100 is connected with an oil feeding piping member 81 and an oil feeding-back piping member 82. Consequently, by flowing the oil W inside the engine 200 into the hollow part of the metallic case 20, and returning it back to the engine 200, heat of the pressure-receiving diaphragm 10 and the sensor chip 40 is radiated through the medium of the oil W.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了适当降低受压膜片和传感器芯片的温度，在压力传感器中，通过压力传递将传感器芯片的压力传递到压力接收膜片的压力来进行压力检测会员。解决方案：压力传感器100通过将中空圆柱形金属壳体20插入形成在发动机200中的油W循环的安装孔201中而安装在发动机200上。随着在金属壳体20中形成油路60，也在壳体30中形成用于使油W流动的通道71,72，发动机200与压力传感器100之间的部分与供油配管构件因此，通过使发动机200内的油W流入金属壳体20的中空部，将其返回到发动机200，受压膜10的热量和传感器芯片40通过油W的介质被辐射。版权所有（C）2008，JPO＆INPIT

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