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1. 发明专利

JP2007232590A Pressure signal output device 审中-公开
标题翻译：压力信号输出装置
公开(公告)号：JP2007232590A
公开(公告)日：2007-09-13
申请号：JP2006055273
申请日：2006-03-01
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： MIZUNO KENTAROU
IPC分类号： G01L9/00 , H01L29/84
摘要： PROBLEM TO BE SOLVED: To provide a pressure signal out put device capable of coping with both the case a gauge resistance is showing plus or minus characteristics.
SOLUTION: The pressure signal output device 1 comprises: the constant current electric source 14; the piezo resistance element 12, the resistance of which changes depending on the pressure, also the resistance changes depending on the temperature; the current regulation circuit 40; and the output terminal 16. The current regulation circuit 40 comprises the parallel circuit of the first current regulation circuit 20 for reducing the current depending on the temperature rise, and the second current regulation circuit 30 for increasing current depending on the temperature rise. The parallel circuit of the piezo resistance element 12 and the current regulation circuit 40 is serially connected with the constant current electric source 14. The output terminal 16 is connected with the joint point of the constant current electric source 14 and the piezo resistance element 12.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种压力信号输出装置，能够应对表面电阻显示正负特性的情况。压力信号输出装置1包括：恒流电源14; 电压根据压力而变化的压电电阻元件12也根据温度而变化; 电流调节电路40; 和输出端子16.电流调节电路40包括第一电流调节电路20的并联电路，用于根据温度升高减小电流;以及第二电流调节电路30，用于根据温度升高增加电流。压电电阻元件12和电流调节电路40的并联电路与恒流电源14串联连接。输出端子16与恒流电源14和压电电阻元件12的连接点连接。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2004108896A Pressure sensor output processing apparatus and pressure sensor system 有权
标题翻译：压力传感器输出加工设备和压力传感器系统
公开(公告)号：JP2004108896A
公开(公告)日：2004-04-08
申请号：JP2002270721
申请日：2002-09-17
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： MIZUNO KENTAROU , TSUKADA ATSUSHI , OMURA YOSHITERU , SAKATA JIRO , MASUOKA MASAYOSHI
IPC分类号： G01L9/00
摘要： PROBLEM TO BE SOLVED: To provide a pressure sensor output processing circuit which can reduce influence of an offset value from an output value of a pressure sensor, with simple constitution as compared with the conventional case. SOLUTION: A sensor output processing circuit of a combustion pressure sensor 24 is provided with a bottom value holding circuit 50 having a capacitor 52 for holding a bottom value of an output of the sensor 24, and a differential amplifier 62 for obtaining difference between an output of the sensor 24 and an output of the holding circuit 50. By using the sensor output processing circuit, the influence of an offset value can be reduced from the output value of the combustion pressure sensor 24 with simple constitution as compared with the conventional case. As a result, magnitude of applied pressure can be detected with high precision. COPYRIGHT: (C)2004,JPO
摘要翻译：解决的问题：提供一种压力传感器输出处理电路，其能够以与传统情况相比简单的结构减小偏移值与压力传感器的输出值的影响。解决方案：燃烧压力传感器24的传感器输出处理电路设置有具有用于保持传感器24的输出的底部值的电容器52的底部值保持电路50和用于获得差分的差分放大器62 在传感器24的输出和保持电路50的输出之间。通过使用传感器输出处理电路，与简单的结构相比，可以从燃烧压力传感器24的输出值减小偏移值的影响常规情况。因此，可以高精度地检测施加压力的大小。版权所有（C）2004，JPO

3. 发明专利

JP2004101473A Force detecting device and its manufacturing method 审中-公开
公开(公告)号：JP2004101473A
公开(公告)日：2004-04-02
申请号：JP2002266858
申请日：2002-09-12
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： OMURA YOSHITERU , MIZUNO KENTAROU , TSUKADA ATSUSHI , SAKATA JIRO
IPC分类号： G01L1/22 , G01L9/00 , H01L29/84
摘要： PROBLEM TO BE SOLVED: To provide force detecting devices 12, 22 of a simple structure wherein a force detecting block 29 and a base 26 are bonded by anodic bonding.
SOLUTION: This force detecting device 11 comprises the base 26 made out of the glass including a movable ion component, a terminal 24 inserted into the base 26, and the force detecting block 29 having a gauge part changing its electric resistance value in accordance with the stress acting on the same, and being anodically bonded to the base 26. When the force detecting device 11 is manufactured, the force detecting block 29 and the base 26, and the force detecting block 29 and a force transmitting block 31 are preferably anodically bonded in a lump.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2007225308A Circuit used while connected with gage resistance, and sensor provided therewith 有权
标题翻译：连接电阻电阻时使用的电路及其提供的传感器
公开(公告)号：JP2007225308A
公开(公告)日：2007-09-06
申请号：JP2006043851
申请日：2006-02-21
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： MIZUNO KENTAROU
IPC分类号： G01L1/22 , G01L9/00
摘要： PROBLEM TO BE SOLVED: To provide a circuit for moderating a nonlinear relation between a stress applied on a gage resistance and an output voltage, and also to provide a sensor equipped with the circuit.
SOLUTION: This sensor 50 is provided with the gage resistance 10 having a piezoresistance effect, and applied with pressure from an outside. The sensor 50 is provided with a current generation means 20 for generating a current 20I determined by a function 20F using a resistance value 10R of the gage resistance 10 as a variable. The sensor 50 is provided further with a voltage generation means 30 for converting the current 20I from the current generation means 20 into a voltage to generate the output voltage 30V. The function 20F offsets nonlinear fluctuation of the resistance value 10R of the gage resistance 10 with respect to the stress to be converted into a current fluctuated linearly with respect to the stress.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于缓和施加在量规电阻上的应力与输出电压之间的非线性关系的电路，并且还提供配备有该电路的传感器。解决方案：该传感器50设置有具有压阻效应的测量电阻10，并从外部施加压力。传感器50设置有电流产生装置20，用于使用电阻值10的电阻值10R作为变量产生由功能20F确定的电流20I。传感器50还具有用于将来自电流产生装置20的电流20I转换成电压以产生输出电压30V的电压产生装置30。函数20F相对于要转换为相对于应力线性地变动的电流的电阻值10R的电阻值10R的非线性波动偏移。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006308303A Pressure sensor and glow plug having integrated pressure sensor 审中-公开
标题翻译：压力传感器和带有集成压力传感器的玻璃管
公开(公告)号：JP2006308303A
公开(公告)日：2006-11-09
申请号：JP2005127864
申请日：2005-04-26
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： MIZUNO KENTAROU , TSUKADA ATSUSHI , OMURA YOSHITERU , HASHIMOTO SHOJI , SAKATA JIRO
IPC分类号： G01L19/04 , F02D35/00 , H01L29/84
摘要： PROBLEM TO BE SOLVED: To suppress decline of a preload of a pressure sensor based on the rise in the temperature.
SOLUTION: This pressure sensor 11 is equipped with an approximately cylindrical housing 40 having a hollow space 10, a diaphragm 60 fixed to the front side of the housing 40, a force detection element 30 fixed to the rear side of the housing 40 via a pedestal 20, and a force transfer rod 50 extending in the axial direction in the hollow space 10 and transferring a pressure received by the diaphragm 60 to the force detecting element 30. The pressure sensor 11 is also provided with an elastic member 70 in a force transmitting system between a spot 58 where the force transfer rod 50 is in contact with the diaphragm 60 and a spot 28 where the pedestal 20 is in contact with the housing 40. The pressure sensor 11 has the characteristic of the spring constant of the elastic member 70 being smaller than the spring constant of the diaphragm 60.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了抑制基于温度上升的压力传感器的预载的下降。解决方案：该压力传感器11配备有具有中空空间10的大致圆筒形壳体40，固定在壳体40前侧的隔膜60，固定在壳体40后侧的力检测元件30 通过基座20和在中空空间10中沿轴向延伸的力传递杆50，并将由隔膜60接收的压力传递到力检测元件30.压力传感器11还设置有弹性构件70 在力传递杆50与隔膜60接触的点58和基座20与壳体40接触的点28之间的力传递系统。压力传感器11具有弹簧常数弹性构件70小于隔膜60的弹簧常数。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006258483A Integrating circuit and sensor voltage processing circuit using it 有权
标题翻译：使用其集成电路和传感器电压处理电路
公开(公告)号：JP2006258483A
公开(公告)日：2006-09-28
申请号：JP2005073371
申请日：2005-03-15
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： MIZUNO KENTAROU
IPC分类号： G01L9/00 , F02D45/00 , G01L23/18 , G01M15/04 , H03K5/08
摘要： PROBLEM TO BE SOLVED: To prevent a voltage which slowly changes out of an output voltage from largely departing from a standard voltage in an integrating circuit.
SOLUTION: The integrating circuit 80 comprises a charge storage circuit 30 having a capacitor 34 which is charged/discharged with a current which is converted from an input voltage Va, a slow-change extraction circuit 40 which removes a rapid voltage change from the output voltage Vout of the charge storage circuit 30 to extract a slow voltage change, and an adjustment circuit 50 which adjusts the charge amount stored in the capacitor 34 to a standard amount.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了防止在积分电路中很大程度上偏离标准电压的输出电压缓慢变化的电压。解决方案：积分电路80包括具有电容器34的电荷存储电路30，该电容器34用从输入电压Va转换的电流进行充电/放电，缓慢变化提取电路40将快速电压变化从电荷存储电路30的输出电压Vout提取缓慢的电压变化，调整电路50将存储在电容器34中的电荷量调节到标准量。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006010306A Glow plug 有权
标题翻译： GLOW插头
公开(公告)号：JP2006010306A
公开(公告)日：2006-01-12
申请号：JP2005150814
申请日：2005-05-24
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： OMURA YOSHITERU , SAKATA JIRO , MIZUNO KENTAROU , TSUKADA ATSUSHI , HASHIMOTO SHOJI
IPC分类号： F23Q7/00 , F02P19/00 , F23Q7/22
摘要： PROBLEM TO BE SOLVED: To provide a glow plug integrated with a pressure sensor measuring a combustion pressure without using elastic deformation of a housing itself. SOLUTION: The glow plug is provided with substantially cylindrical housings 42 and 44 coupled to an inner wall defining a through hole, an inner shaft 20 slidably housed in the housings 42 and 44, the pressure sensor 50 fixed between a side of the inner shaft 20 opposite to a combustion chamber and the housings 42 and 44, and a support member 30 provided between the inner shaft 20 and the housings 42 and 44 to slidably support the inner shaft 20 along an axis. Combustion chamber side ends of the housings 42 and 44 are adhered to an inner wall of an engine head 12 when the glow plug 51 is attached to the through hole, and the support member 30 is provided with an inner shaft fixing members 33 and 35 fixed to the inner shaft 20, a housing fixing part (a protruding part 36) fixed to the housing 42, and straining parts 32 and 34 provided between the inner shaft fixing parts 33 and 35, and the housing fixing part to change axial distances between the inner shaft fixing parts 33 and 35, and the housing fixing part by elastically deforming. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种与测量燃烧压力的压力传感器集成的电热塞，而不使用壳体本身的弹性变形。解决方案：电热塞设有大体上圆柱形的壳体42和44，其连接到限定通孔的内壁，可滑动地容纳在壳体42,44中的内轴20，固定在壳体42和44的一侧的压力传感器50 内轴20与燃烧室和壳体42和44相对，以及设置在内轴20和壳体42和44之间的支撑构件30，以沿轴线可滑动地支撑内轴20。当电热塞51安装到通孔时，壳体42和44的燃烧室侧端部粘附到发动机头12的内壁，并且支撑构件30设置有固定在内部轴固定构件33和35 内轴20，固定在壳体42上的壳体固定部（突出部36）以及设置在内轴固定部33,35之间的应变部32,34与壳体固定部之间的轴向距离内轴固定部33和35，以及壳体固定部通过弹性变形。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2004347493A Capacitive sensor device having function for detecting abnormality 有权
公开(公告)号：JP2004347493A
公开(公告)日：2004-12-09
申请号：JP2003145676
申请日：2003-05-23
申请人： Denso Corp , Toyota Central Res & Dev Lab Inc , 株式会社デンソー , 株式会社豊田中央研究所
发明人： OTA NORIKAZU , OHIRA YOSHIE , MIZUNO KENTAROU , SHIMAOKA KEIICHI , FUNABASHI HIROBUMI , ITO HAJIME , MAKINO YASUAKI , SUZUKI YASUTOSHI
IPC分类号： G01L1/14 , G01D18/00
摘要： PROBLEM TO BE SOLVED: To easily detect abnormality of a capacitive sensor device.
SOLUTION: The first driving voltage signal V
X1 of a pulse voltage is outputted from a first terminal 1 of a driving signal generation circuit 20. A second driving signal V
X2 that is the pulse voltage or the inversion voltage thereof is outputted from a second terminal 2. The first sensor capacitance C
X1 and the second sensor capacitance C
X2 have the same characteristic. A control signal generation circuit 38 controls which of the pulse voltage and the inversion voltage thereof is to be outputted from the second terminal 2. When the inversion voltage is outputted from the second terminal 2, an electric charge-voltage conversion circuit 26 outputs a voltage value V
OP corresponding to the value (ΔC
X1 -ΔC
X2 ) in which the variation value ΔC
X2 of the second sensor capacitance C
X2 is subtracted from the variation value ΔC
X1 of the first sensor capacitance C
X1 . A determination circuit 36 outputs an abnormality detection signal, on the basis of the output value V
OP (output V
OUT of an LPF (low-pass filter) 34, directly).
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004003890A Sensor device 有权
公开(公告)号：JP2004003890A
公开(公告)日：2004-01-08
申请号：JP2002160662
申请日：2002-05-31
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： MIZUNO KENTAROU , TSUKADA ATSUSHI , HASHIMOTO SHOJI , SAKATA JIRO , OMURA YOSHITERU , MASUOKA MASAYOSHI
IPC分类号： G01L9/00 , H01L29/84
摘要： PROBLEM TO BE SOLVED: To provide a robust and miniaturized semiconductor sensor device.
SOLUTION: A sensor element, such as a piezoelectric resistive element 105 for outputting a physical quantity as an electrical signal, is formed on a p-type silicon layer 103, having a p
+ -type layer on the surface of a SOI substrate 100. A first isolated and insulated junction layer 104 is formed on the periphery of the piezoelectric resistive element. A first electrode is provided on the back face, penetrates through a predetermined location and connects to the end of the piezoelectric resistive element 105 on the front face. A second junction layer 122 for bonding to the first junction layer 104 and a signal extractielectrode 123 for picking up a signal from the other end of the opposite piezoelectric resistive element 105 are provided on a surface of a coupled substrate 120. A second electrode for connecting to the signal pickup electrode 123 is provided on the back face. Both substrates are superposed so as to include the piezoelectric resistive element 105. The first and second junction layers 104, 122 are bonded by anodic bonding. The robust and miniaturized semiconductor sensor device, having the first and second electrodes oppositely formed, is achieved.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2006194836A Circuit for processing sensor voltage 有权
标题翻译：用于处理传感器电压的电路
公开(公告)号：JP2006194836A
公开(公告)日：2006-07-27
申请号：JP2005009425
申请日：2005-01-17
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： MIZUNO KENTAROU
IPC分类号： G01L23/22 , G01D3/028 , G01L23/32 , G01R19/04
摘要： PROBLEM TO BE SOLVED: To enable observation of pulsating voltages outputted by sensors over an entire period. SOLUTION: A circuit 31 is for processing a sensor voltage V 1 that a voltage-changing, dependent on a combustion pressure repeating the changes that quickly increase or decrease superimposed on a voltage, depending the changes in temperature that slowly changes. The circuit comprises a bottom voltage storing circuit 50 that stores voltage, by using a capacitor 54 and maintains a storage voltage V 2 , during the time that the sensor voltage V 1 is larger than the storage voltage V 2 , and then reduces the storage voltage V 2 by following the reduction of the sensor voltage V 1 , when the sensor voltage V 1 equals to the storage voltage V 2 , a low-pass filter circuit 60 that slows the change in the storage voltage V 2 in the bottom voltage storing circuit 50, and a differential amplifier 80 for outputting the voltage difference between a voltage V 3 in the low-pass filter circuit 60 and the sensor voltage V 1 . COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了能够观察传感器在整个周期中输出的脉动电压。解决方案：电路31用于处理传感器电压V SB 1，取决于燃烧压力的变化，该燃烧压力重复根据变化而叠加在电压上的快速增加或减少的变化在温度上慢慢变化。该电路包括一个底部电压存储电路50，该电压存储电路通过使用电容器54并保持存储电压V SB> 2 来保存电压，传感器电压V SB> 1 大于存储电压V SB 2，然后通过跟随传感器电压V SB> 1 的降低来降低存储电压V SB> 2 ，当传感器电压V SB 1等于存储电压V SB 2，低通滤波器电路60使存储电压V SB 2的变化减慢，在底部电压存储电路50中，以及差分放大器80，用于输出低通滤波器电路60中的电压V SB> 3 与传感器电压V SB <1 / SB >。版权所有（C）2006，JPO＆NCIPI

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