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1. 发明授权

US08844348B2 Gas flow rate measurement device 有权
标题翻译：气体流量测量装置
公开(公告)号：US08844348B2
公开(公告)日：2014-09-30
申请号：US13817889
申请日：2011-08-19
申请人： Kazunori Suzuki , Ryo Sato , Keiji Hanzawa
发明人： Kazunori Suzuki , Ryo Sato , Keiji Hanzawa
IPC分类号： G01F1/68 , G01F1/64 , G01F5/00 , G01F1/684 , G01F1/696
CPC分类号： G01F1/64 , G01F1/684 , G01F1/69 , G01F1/696 , G01F1/6965 , G01F5/00 , G01F15/02
摘要： Provided is a highly accurate, highly reliable gas flow rate measurement device that provides an enlarged temperature range over which the resolution at a high temperature and at a low temperature can be increased to achieve high accuracy no matter whether the characteristics of a gas temperature detection element are nonlinear. The gas flow rate measurement device includes a plurality of resistors that are disposed in a gas flow path, a gas flow rate detection circuit that outputs a gas flow rate detection signal in accordance with the flow rate of a gas flowing in the gas flow path by detecting a current flowing in the resistors or by detecting a voltage generated in accordance with the current, and a gas temperature detection element 1 that detects the temperature of the gas in the gas flow path. The gas flow rate detection circuit includes signal conversion means for converting a signal output from the gas temperature detection element to a signal that has a predetermined maximum output and a predetermined minimum output and is linear within a predetermined temperature range.
摘要翻译：提供了一种高精度，高可靠性的气体流量测量装置，其提供了扩大的温度范围，无论气体温度检测元件的特性如何，可以提高高温和低温下的分辨率以实现高精度是非线性的。气体流量测量装置包括设置在气体流路中的多个电阻器，气体流量检测电路，其根据气体流路中流动的气体的流量输出气体流量检测信号，检测在电阻器中流动的电流或者通过检测根据电流产生的电压，以及气体温度检测元件1，其检测气体流路中的气体的温度。气体流量检测电路包括用于将从气体温度检测元件输出的信号转换为具有预定最大输出和预定最小输出并且在预定温度范围内为线性的信号的信号转换装置。

2. 发明申请

US20130152699A1 Gas Flow Rate Measurement Device 有权
标题翻译：气体流量测量装置
公开(公告)号：US20130152699A1
公开(公告)日：2013-06-20
申请号：US13817889
申请日：2011-08-19
申请人： Kazunori Suzuki , Ryo Sato , Keiji Hanzawa
发明人： Kazunori Suzuki , Ryo Sato , Keiji Hanzawa
IPC分类号： G01F1/64
CPC分类号： G01F1/64 , G01F1/684 , G01F1/69 , G01F1/696 , G01F1/6965 , G01F5/00 , G01F15/02
摘要： Provided is a highly accurate, highly reliable gas flow rate measurement device that provides an enlarged temperature range over which the resolution at a high temperature and at a low temperature can be increased to achieve high accuracy no matter whether the characteristics of a gas temperature detection element are nonlinear. The gas flow rate measurement device includes a plurality of resistors that are disposed in a gas flow path, a gas flow rate detection circuit that outputs a gas flow rate detection signal in accordance with the flow rate of a gas flowing in the gas flow path by detecting a current flowing in the resistors or by detecting a voltage generated in accordance with the current, and a gas temperature detection element 1 that detects the temperature of the gas in the gas flow path. The gas flow rate detection circuit includes signal conversion means for converting a signal output from the gas temperature detection element to a signal that has a predetermined maximum output and a predetermined minimum output and is linear within a predetermined temperature range.
摘要翻译：提供了一种高精度，高可靠性的气体流量测量装置，其提供了扩大的温度范围，无论气体温度检测元件的特性如何，可以提高高温和低温下的分辨率以实现高精度是非线性的。气体流量测量装置包括设置在气体流路中的多个电阻器，气体流量检测电路，其根据气体流路中流动的气体的流量输出气体流量检测信号，检测在电阻器中流动的电流或者通过检测根据电流产生的电压，以及气体温度检测元件1，其检测气体流路中的气体的温度。气体流量检测电路包括用于将从气体温度检测元件输出的信号转换为具有预定最大输出和预定最小输出并且在预定温度范围内为线性的信号的信号转换装置。

3. 发明授权

US07010971B2 Heating resistor type flow-measuring device having a heating resistor and a thermoresistance, whose resistance value varies in response to the ambient temperature 有权
标题翻译：具有加热电阻器和耐热电阻的加热电阻器型流量测量装置，其电阻值响应于环境温度而变化
公开(公告)号：US07010971B2
公开(公告)日：2006-03-14
申请号：US10921206
申请日：2004-08-19
申请人： Masahiro Matsumoto , Masamichi Yamada , Hiroshi Nakano , Izumi Watanabe , Keiji Hanzawa , Ryo Sato
发明人： Masahiro Matsumoto , Masamichi Yamada , Hiroshi Nakano , Izumi Watanabe , Keiji Hanzawa , Ryo Sato
IPC分类号： G01F1/68
CPC分类号： G01F1/692 , G01F1/6845 , G01F1/699 , G01K7/20
摘要： A heating resistor type flow-measuring device is capable of adjusting heating temperature of a heating resistor according to the ambient temperature as well as making the initial adjustment. A heating resistor, a thermoresistance, a group of the resistors, and an amplifier constitute a bridge circuit, and leading terminals of the group of resistors are connected to one of input terminals of an amplifier for amplifying an error voltage through MOS transistors. The heating temperature of the heating resistor can be changed by selecting one of the MOS transistors and turning it on.
摘要翻译：加热电阻式流量测量装置能够根据环境温度调节加热电阻器的加热温度，并进行初始调整。加热电阻器，热电阻器，一组电阻器和放大器构成桥式电路，并且该组电阻器的引线端子连接到放大器的一个输入端子，用于通过MOS晶体管放大误差电压。可以通过选择一个MOS晶体管并将其加热来改变加热电阻器的加热温度。

4. 发明授权

US08935959B2 Thermal type flow rate sensor 有权
标题翻译：热式流量传感器
公开(公告)号：US08935959B2
公开(公告)日：2015-01-20
申请号：US13638259
申请日：2011-04-01
申请人： Ryo Sato , Keiji Hanzawa
发明人： Ryo Sato , Keiji Hanzawa
IPC分类号： G01F1/68 , G01F1/692 , G01F1/696 , G01F25/00
CPC分类号： G01F1/692 , G01F1/696 , G01F25/0007
摘要： To reduce a signal variation of a bridge circuit connected with a temperature sensing resistor that is caused by a strain even when the strain is generated at a diaphragm portion of a substrate installed with a heater resistor and the temperature sensing resistor. In a thermal type flow rate resistor including a substrate, a diaphragm 13 formed at the substrate, and a heat generating resistor 2 and temperature detecting resistors 7 through 10 formed on the diaphragm for detecting a flow rate of a measured fluid by heating the heat generating resistor, strain detecting resistors 11 and 12 are formed on an upstream side and on a downstream side of a flow of the measured fluid relative to the heat generating resistor on the diaphragm, an amount of a strain generated on the diaphragm is detected by the strain detecting resistors, and a flow rate signal detected by the heat generating resistor and the temperature detecting resistors is compensated for the strain based on the detected amount of the strain.
摘要翻译：即使当在安装有加热电阻器的基板的隔膜部分和温度感测电阻器上产生应变时，也可以减小由应变引起的与感温电阻器相连的桥接电路的信号变化。在包括基板的热式流量电阻器，形成在基板上的隔膜13和形成在隔膜上的发热电阻器2和温度检测电阻器7至10，用于通过加热产生的热量来检测被测流体的流量电阻器，应变检测电阻器11和12形成在测量流体相对于隔膜上的发热电阻器的流动的上游侧和下游侧，通过应变检测在隔膜上产生的应变量检测电阻器和由发热电阻器和温度检测电阻器检测的流量信号基于检测到的应变量来补偿应变。

5. 外观设计

USD660192S1 Airflow sensor 有权
标题翻译：气流传感器
公开(公告)号：USD660192S1
公开(公告)日：2012-05-22
申请号：US29385385
申请日：2011-02-14
申请人： Keiji Hanzawa , Takeshi Morino , Yuki Okamoto , Ryo Sato , Yasuo Onose
设计人： Keiji Hanzawa , Takeshi Morino , Yuki Okamoto , Ryo Sato , Yasuo Onose

6. 发明申请

US20050120789A1 Heating resistor type flow-measuring device 有权
标题翻译：加热电阻式流量测量装置
公开(公告)号：US20050120789A1
公开(公告)日：2005-06-09
申请号：US10921206
申请日：2004-08-19
申请人： Masahiro Matsumoto , Masamichi Yamada , Hiroshi Nakano , Izumi Watanabe , Keiji Hanzawa , Ryo Sato
发明人： Masahiro Matsumoto , Masamichi Yamada , Hiroshi Nakano , Izumi Watanabe , Keiji Hanzawa , Ryo Sato
IPC分类号： G01F1/698 , G01F1/684 , G01F1/692 , G01F1/696 , G01F1/699 , G01K7/20 , G01F1/68
CPC分类号： G01F1/692 , G01F1/6845 , G01F1/699 , G01K7/20
摘要： A heating resistor type flow-measuring device is capable of adjusting heating temperature of a heating resistor according to the ambient temperature as well as making the initial adjustment. A heating resistor, a thermoresistance, a group of the resistors, and an amplifier constitute a bridge circuit, and leading terminals of the group of resistors are connected to one of input terminals of an amplifier for amplifying an error voltage through MOS transistors. The heating temperature of the heating resistor can be changed by selecting one of the MOS transistors and turning it on.
摘要翻译：加热电阻式流量测量装置能够根据环境温度调节加热电阻器的加热温度，并进行初始调整。加热电阻器，热电阻器，一组电阻器和放大器构成桥式电路，并且该组电阻器的引线端子连接到放大器的一个输入端子，用于通过MOS晶体管放大误差电压。可以通过选择一个MOS晶体管并将其加热来改变加热电阻器的加热温度。

7. 发明授权

US07656624B2 IC power protection circuit 失效
标题翻译： IC电源保护电路
公开(公告)号：US07656624B2
公开(公告)日：2010-02-02
申请号：US11656994
申请日：2007-01-24
申请人： Masahiro Matsumoto , Masamichi Yamada , Hiroshi Nakano , Keiji Hanzawa , Ryo Sato
发明人： Masahiro Matsumoto , Masamichi Yamada , Hiroshi Nakano , Keiji Hanzawa , Ryo Sato
IPC分类号： H02H7/00
CPC分类号： H02H9/046 , H01L27/0248 , H02H11/002
摘要： An IC power protection circuit functions as a surge protection circuit and reverse connection protection circuit. The IC power protection circuit includes an error amplification circuit, positioned and integrated within an integrated circuit and a transistor positioned as a stand-alone element that is separate from the integrated circuit. The integrated circuit includes a sensor signal processing circuit that processes a signal of a sensor. A transistor protects the integrated circuit against a surge voltage from a battery terminal. A resistor is positioned between an output terminal of an error amplifier and a base terminal of the transistor to provide reverse connection protection. Another resistor is connected between a ground and a connection point between the above resistor and the output terminal to provide overvoltage protection for the integrated circuit. A starting resistor is connected between a collector and base of the transistor.
摘要翻译： IC电源保护电路用作浪涌保护电路和反向连接保护电路。 IC电源保护电路包括位于并集成在集成电路内的误差放大电路和定位为与集成电路分离的独立元件的晶体管。集成电路包括处理传感器的信号的传感器信号处理电路。晶体管保护集成电路免受来自电池端子的浪涌电压的影响。电阻器位于误差放大器的输出端子和晶体管的基极端子之间，以提供反向连接保护。另一个电阻连接在上述电阻和输出端之间的接地点和连接点之间，为集成电路提供过压保护。启动电阻连接在晶体管的集电极和基极之间。

8. 发明申请

US20130025363A1 Thermal Type Flow Rate Sensor 有权
标题翻译：热式流量传感器
公开(公告)号：US20130025363A1
公开(公告)日：2013-01-31
申请号：US13638259
申请日：2011-04-01
申请人： Ryo Sato , Keiji Hanzawa
发明人： Ryo Sato , Keiji Hanzawa
IPC分类号： G01F1/69
CPC分类号： G01F1/692 , G01F1/696 , G01F25/0007
摘要： To reduce a signal variation of a bridge circuit connected with a temperature sensing resistor that is caused by a strain even when the strain is generated at a diaphragm portion of a substrate installed with a heater resistor and the temperature sensing resistor. In a thermal type flow rate resistor including a substrate, a diaphragm 13 formed at the substrate, and a heat generating resistor 2 and temperature detecting resistors 7 through 10 formed on the diaphragm for detecting a flow rate of a measured fluid by heating the heat generating resistor, strain detecting resistors 11 and 12 are formed on an upstream side and on a downstream side of a flow of the measured fluid relative to the heat generating resistor on the diaphragm, an amount of a strain generated on the diaphragm is detected by the strain detecting resistors, and a flow rate signal detected by the heat generating resistor and the temperature detecting resistors is compensated for the strain based on the detected amount of the strain.
摘要翻译：即使当在安装有加热电阻器的基板的隔膜部分和温度感测电阻器上产生应变时，也可以减小由应变引起的与感温电阻器相连的桥接电路的信号变化。在包括基板的热式流量电阻器，形成在基板上的隔膜13和形成在隔膜上的发热电阻器2和温度检测电阻器7至10，用于通过加热产生的热量来检测被测流体的流量电阻器，应变检测电阻器11和12形成在测量流体相对于隔膜上的发热电阻器的流动的上游侧和下游侧，通过应变检测在隔膜上产生的应变量检测电阻器和由发热电阻器和温度检测电阻器检测的流量信号基于检测到的应变量来补偿应变。

9. 发明申请

US20070211394A1 IC power protection circuit 失效
标题翻译： IC电源保护电路
公开(公告)号：US20070211394A1
公开(公告)日：2007-09-13
申请号：US11656994
申请日：2007-01-24
申请人： Masahiro Matsumoto , Masamichi Yamada , Hiroshi Nakano , Keiji Hanzawa , Ryo Sato
发明人： Masahiro Matsumoto , Masamichi Yamada , Hiroshi Nakano , Keiji Hanzawa , Ryo Sato
IPC分类号： H02H7/00
CPC分类号： H02H9/046 , H01L27/0248 , H02H11/002
摘要： An IC power protection circuit functions as a surge protection circuit and reverse connection protection circuit. The IC power protection circuit includes an error amplification circuit, positioned and integrated within an integrated circuit and a transistor, is positioned as a stand-alone element that is separate from the integrated circuit. The integrated circuit includes a sensor signal processing circuit that processes a signal of a sensor. A transistor protects the integrated circuit against a surge voltage from a battery terminal. A resistor is positioned between an output terminal of an error amplifier and a base terminal of the transistor to provide reverse connection protection. Another resistor is connected between a ground and a connection point between the above resistor and the output terminal to provide overvoltage protection for the integrated circuit. A starting resistor is connected between a collector and base of the transistor.
摘要翻译： IC电源保护电路用作浪涌保护电路和反向连接保护电路。 IC电源保护电路包括位于并集成在集成电路和晶体管内的误差放大电路，被定位为与集成电路分离的独立元件。集成电路包括处理传感器的信号的传感器信号处理电路。晶体管保护集成电路免受来自电池端子的浪涌电压的影响。电阻器位于误差放大器的输出端子和晶体管的基极端子之间，以提供反向连接保护。另一个电阻连接在上述电阻和输出端之间的接地点和连接点之间，为集成电路提供过压保护。启动电阻连接在晶体管的集电极和基极之间。

10. 发明申请

US20140190270A1 GAS FLOW RATE MEASURING APPARATUS 有权
标题翻译：气体流速测量装置
公开(公告)号：US20140190270A1
公开(公告)日：2014-07-10
申请号：US14240917
申请日：2012-08-16
申请人： Kazunori Suzuki , Keiichi Nakada , Ryo Sato
发明人： Kazunori Suzuki , Keiichi Nakada , Ryo Sato
IPC分类号： G01F1/64
CPC分类号： G01F1/64 , G01F1/6842 , G01F1/696 , G01F1/6965 , G01F5/00
摘要： Gas flow rate measuring apparatus comprising resistive element disposed in a gas flow path, a gas flow rate detection circuit, and a gas temperature detection element or a substrate temperature detection element. The detection circuit detects a current flowing through the resistive element, or a voltage generated in response to the current to output a gas flow rate detection signal in accordance with a flow rate of gas flowing. The apparatus corrects characteristics of the gas flow rate detection signal on the basis of a temperature detection signal obtained from these elements and includes signal conversion means for correcting a characteristic bend displaced by more than a certain fixed amount from target characteristics.
摘要翻译：气体流量测量装置包括设置在气体流路中的电阻元件，气体流量检测电路和气体温度检测元件或基板温度检测元件。检测电路检测流过电阻元件的电流或响应电流而产生的电压，以根据气体流量输出气体流量检测信号。该装置基于从这些元件获得的温度检测信号来校正气体流量检测信号的特性，并且包括用于校正从目标特性偏移超过一定固定量的特征弯曲的信号转换装置。

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