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1. 发明授权

US09927238B2 Physical quantity sensor, electronic apparatus, and moving object 有权
公开(公告)号：US09927238B2
公开(公告)日：2018-03-27
申请号：US15051224
申请日：2016-02-23
申请人： Seiko Epson Corporation
发明人： Yutaka Takada , Kenji Sato
IPC分类号： G01C19/5607 , G01C19/5614 , G01C19/5776
CPC分类号： G01C19/5607 , G01C19/5614 , G01C19/5776
摘要： Dynamic range of a second amplifier which is provided in a subsequent stage of a synchronous detection circuit is set greater than dynamic range of a first amplifier which is provided in a preceding stage of the synchronous detection circuit, and thus, an output is prevented from being saturated.

2. 发明申请

US20160290828A1 Method for inspecting Physical Quantity Sensor and Method for Manufacturing Physical Quantity Sensor 审中-公开
标题翻译：检测物理量传感器的方法和制造物理量传感器的方法
公开(公告)号：US20160290828A1
公开(公告)日：2016-10-06
申请号：US15075656
申请日：2016-03-21
申请人： Seiko Epson Corporation
发明人： Masahiro Oshio , Kenji Sato
IPC分类号： G01C25/00 , G01C19/5719
CPC分类号： G01C19/5719 , G01C19/5726 , G01C19/5776 , G01C25/005
摘要： A method for inspecting a physical quantity sensor includes: applying a test drive signal while changing a voltage level, to an angular velocity sensor as a physical quantity sensor having a detection portion which performs detection vibration according to a physical quantity; detecting an output signal from the detection portion corresponding to the test drive signal, as a test detection signal; and performing pass/fail determination based on a change in the test detection signal in relation to the change in the voltage level.
摘要翻译：一种用于检查物理量传感器的方法包括：将改变电压电平的测试驱动信号施加到作为具有根据物理量执行检测振动的检测部分的物理量传感器的角速度传感器; 检测来自与测试驱动信号相对应的检测部分的输出信号作为测试检测信号; 并且基于与电压电平的变化相关的测试检测信号的变化来执行通过/失败确定。

3. 发明授权

US10041796B2 Method for inspecting physical quantity sensor and method for manufacturing physical quantity sensor 有权
公开(公告)号：US10041796B2
公开(公告)日：2018-08-07
申请号：US15075656
申请日：2016-03-21
申请人： Seiko Epson Corporation
发明人： Masahiro Oshio , Kenji Sato
IPC分类号： G01C25/00 , G01C19/5719 , G01C19/5726 , G01C19/5776
摘要： A method for inspecting a physical quantity sensor includes: applying a test drive signal while changing a voltage level, to an angular velocity sensor as a physical quantity sensor having a detection portion which performs detection vibration according to a physical quantity; detecting an output signal from the detection portion corresponding to the test drive signal, as a test detection signal; and performing pass/fail determination based on a change in the test detection signal in relation to the change in the voltage level.

4. 发明授权

US09933261B2 Physical quantity sensor, electronic apparatus and moving object 有权
公开(公告)号：US09933261B2
公开(公告)日：2018-04-03
申请号：US14987009
申请日：2016-01-04
申请人： Seiko Epson Corporation
发明人： Kenji Sato
IPC分类号： G01C19/5783 , G01C19/5628
CPC分类号： G01C19/5783 , G01C19/5628
摘要： A physical quantity sensor includes a vibration element that performs drive vibration, an acceleration detection chip that detects an acceleration, a semiconductor element which is electrically connected to at least one of the vibration element and the acceleration detection chip, and a package that has a storage space for storing the vibration element, the acceleration detection chip and the semiconductor element. The semiconductor element is fixed to the package, the acceleration detection chip is fixed to the package with the semiconductor element interposed therebetween, and at least a portion of the acceleration detection chip overlaps the vibration element when the package is seen in a plan view.

5. 发明授权

US09123881B2 Electronic device and electronic apparatus 有权
标题翻译：电子设备和电子设备
公开(公告)号：US09123881B2
公开(公告)日：2015-09-01
申请号：US13864470
申请日：2013-04-17
申请人： Seiko Epson Corporation
发明人： Kenji Sato , Norifumi Shimizu
IPC分类号： H01L41/047 , G01C19/5783 , G01C19/5628
CPC分类号： H01L41/0474 , G01C19/5628 , G01C19/5783 , H01L2224/16225 , H01L2924/16195
摘要： A sensor device includes an IC chip, a package which includes a base in which the IC chip is provided and houses the IC chip, the base having a through hole provided in a position that overlaps with the IC chip in the plan view, and a spacer which is provided between the IC chip and the base, and has an aperture communicating the through hole with the space on the opposite side to the base with respect to the IC chip in the package between the IC chip and the space.
摘要翻译：传感器装置包括IC芯片，包括设置有IC芯片的基座并容纳IC芯片的封装体，该基座具有设置在俯视图中与IC芯片重叠的位置的通孔，以及间隔件，其设置在IC芯片和基座之间，并且具有使通孔与IC芯片与空间之间的封装中的IC芯片相对于基座的相对侧的空间连通的孔。

6. 发明授权

US08671755B2 Angular velocity detection circuit and angular velocity detection apparatus 有权
标题翻译：角速度检测电路和角速度检测装置
公开(公告)号：US08671755B2
公开(公告)日：2014-03-18
申请号：US13676679
申请日：2012-11-14
申请人： Seiko Epson Corporation
发明人： Kenji Sato
IPC分类号： G01C19/56 , G01P3/44 , G01P3/00
CPC分类号： G01C19/5649 , G01C19/56 , G01C19/5719
摘要： An angular velocity detection circuit is connected to a resonator for making excited vibration on the basis of a drive signal and detects an angular velocity. The angular velocity detection circuit includes: a self-vibration component extraction unit that receives, from the resonator, a detection signal including an angular velocity component based on a Coriolis force and a self-vibration component based on the excited vibration of the resonator and extracts the self-vibration component from the detection signal; a direct-current conversion unit including an integration unit that integrates an output signal of the self-vibration component extraction unit; and an offset addition unit that adds an offset value to an output signal of the direct-current conversion unit.
摘要翻译：角速度检测电路连接到谐振器，用于基于驱动信号进行激励振动并检测角速度。角速度检测电路包括：自振部件提取单元，其从谐振器接收包括基于科里奥利力的角速度分量的检测信号和基于共振器的激发振动的提取物的自振分量检测信号的自振分量; 直流转换单元，其包括积分单元，其对自振部件提取单元的输出信号进行积分; 以及偏移加法单元，其将偏移值与直流转换单元的输出信号相加。

7. 发明申请

US20160265915A1 Physical Quantity Sensor, Electronic Apparatus, and Moving Object 有权
标题翻译：物理量传感器，电子设备和移动物体
公开(公告)号：US20160265915A1
公开(公告)日：2016-09-15
申请号：US15051224
申请日：2016-02-23
申请人： Seiko Epson Corporation
发明人： Yutaka Takada , Kenji Sato
IPC分类号： G01C19/5607
CPC分类号： G01C19/5607 , G01C19/5614 , G01C19/5776
摘要： Dynamic range of a second amplifier which is provided in a subsequent stage of a synchronous detection circuit is set greater than dynamic range of a first amplifier which is provided in a preceding stage of the synchronous detection circuit, and thus, an output is prevented from being saturated.
摘要翻译：设置在同步检测电路的后续级中的第二放大器的动态范围被设定为大于在同步检测电路的前级中提供的第一放大器的动态范围，因此，防止输出饱和

8. 发明授权

US08677822B2 Angular velocity detection circuit, angular velocity detection apparatus, and failure determination system 有权
标题翻译：角速度检测电路，角速度检测装置和故障判定系统
公开(公告)号：US08677822B2
公开(公告)日：2014-03-25
申请号：US13672214
申请日：2012-11-08
申请人： Seiko Epson Corporation
发明人： Kenji Sato
IPC分类号： G01C19/56 , G01P3/44 , G01P3/00
CPC分类号： G01C19/5607
摘要： An angular velocity detection circuit is connected to a resonator for making excited vibration on the basis of a drive signal and detects an angular velocity. The angular velocity detection circuit includes: a self-vibration component extraction unit that receives, from the resonator, a detection signal including an angular velocity component based on a Coriolis force and a self-vibration component based on the excited vibration and extracts the self-vibration component from the detection signal; a direct-current conversion unit including an integration unit that integrates an output signal of the self-vibration component extraction unit; and a temperature characteristic compensation unit that compensates for a variation due to a temperature in an output signal of the direct-current conversion unit.
摘要翻译：角速度检测电路连接到谐振器，用于基于驱动信号进行激励振动并检测角速度。角速度检测电路包括：自振部件提取单元，其从谐振器接收基于激发振动的基于科里奥利力和自振分量的角速度分量的检测信号，来自检测信号的振动分量; 直流转换单元，其包括积分单元，其对自振部件提取单元的输出信号进行积分; 以及温度特性补偿单元，其补偿由于直流转换单元的输出信号中的温度引起的变化。

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