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公开(公告)号：US20240347251A1
公开(公告)日：2024-10-17
申请号：US18701250
申请日：2023-08-22
发明人： Mitsunori MIYAMOTO , Toshiya KUBO
IPC分类号： H01F10/16
CPC分类号： H01F10/16
摘要： An isotropic granular thin film having a high sensitivity to an external magnetic field when linearly polarized light enters from the normal direction of a magnetic thin film is provided. An isotropic granular thin film 1 in which ferromagnetic nanoparticles 3 are dispersed in a dielectric matrix 2, wherein the ferromagnetic nanoparticle 3 consists of Co, an average particle diameter of the ferromagnetic nanoparticle 3 is not less than 5.0 nm and not more than 17.0 nm, a particle volume density of the ferromagnetic nanoparticle 3 is not less than 1 vol % and not more than 20 vol %, and magnetic dipole interaction energy of the ferromagnetic nanoparticle 3 is less than or equal to 2.0E-26 J.
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公开(公告)号：US11747408B2
公开(公告)日：2023-09-05
申请号：US17427908
申请日：2019-08-29
IPC分类号： G01R33/032 , G02F1/09
CPC分类号： G01R33/0322 , G02F1/092
摘要： An interference type optical magnetic field sensor device 1 has a light emitter 10 emitting first linearly polarized light, a first optical element 30 emitting a first linearly polarized wave and a second linearly polarized wave orthogonal to the first linearly polarized wave with respect to incident the first linearly polarized light, and emitting a second linearly polarized light with respect to incident third linearly polarized wave and a forth linearly polarized wave orthogonal to the third linearly polarized wave, a magnetic field sensor element 50 disposed at least a portion thereof within a predetermined magnetic field an optical path unit 40 connected to the first optical element and the magnetic field sensor element, and having a first optical path propagating the first linearly polarized wave and the forth linearly polarized wave, and a second optical path propagating the second linearly polarized wave and the third linearly polarized wave, a detection signal generator 60 outputting a detection signal by separating the second linearly polarized light into an S polarization component and a P polarization component, converting the S polarization component and the P polarization component into an electric signal, and an optical branching element 20 transmitting the first linearly polarized light to the first optical element, and branching the second linearly polarized light to the detection signal generator, wherein the magnetic field sensor element emits the first linearly polarized wave and the second linearly polarized wave as incident light, and emits the third linearly polarized wave with respect to the first linearly polarized wave and the forth linearly polarized wave with respect to the second linearly polarized wave as return light.
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公开(公告)号：US20220268818A1
公开(公告)日：2022-08-25
申请号：US17627118
申请日：2020-03-31
IPC分类号： G01R15/24 , G01R33/032
摘要： A magnetic field sensor element 1 includes a light emitter 10 emitting a first linearly polarized light, a first optical element 20 emitting a first linearly polarized wave and the second linearly polarized wave in response to a first linearly polarized light incident, and emitting a second linearly polarized light in response to a third linearly polarized wave and the a linearly polarized wave incident, at least one pair of magnetic field sensor elements 50 capable of disposing in a predetermined magnetic field across the measured conductor, having a light transmissive, changing the phase of transmitted light in accordance with the magnetic field, and fixing a relative position therebetween, an optical path 30 including a first optical path propagating the first linearly polarized wave and the fourth linearly polarized wave, and a second optical path propagating the second linearly polarized wave and the third linearly polarized wave, and connected to the first optical element and the magnetic field sensor element, a detected signal generator 60 outputting a detected signal corresponding to the magnetic field, by receiving two components of the second linearly polarized light, and converting to the electrical signal, and an optical branching element transmitting the first linearly polarized light to the first optical element and branching the second linearly polarized light to the detected signal generator.
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公开(公告)号：US10724917B2
公开(公告)日：2020-07-28
申请号：US15711321
申请日：2017-09-21
发明人： Yusuke Satoh , Kazuo Takahashi , Aki Sudo , Keisuke Sasaki , Masakatsu Nagai
摘要： A pressure detection device includes: a cylindrical body made of a conductor; a pressure receiver made of a conductor, the pressure receiver being mounted to one end side of the body and receiving pressure from the outside; a signal generator arranged inside the body, the signal generator being electrically connected to the pressure receiver and generating a signal corresponding to the pressure received by the pressure receiver; and a cover made of an insulator with a lower thermal conductivity than thermal conductivities of the body and the pressure receiver, the cover continuously covering an outer surface of the pressure receiver and a portion of an outer surface of the body, the portion being located at a side closer to the pressure receiver.
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公开(公告)号：US20190027352A1
公开(公告)日：2019-01-24
申请号：US16132650
申请日：2018-09-17
摘要： A sample loading plate that includes at least one sample mounting spot that mount a sample thereon is provided with a substrate having a conductive surface and an insulating film that is laminated on the conductive surface of the substrate and that has at least an insulating surface, the insulating film being sparsely formed so that the conductive surface of the substrate is partially exposed at least in the sample mounting spot. Thus, a voltage applied to the sample loading plate can effectively place the sample in an electric field. As a result of which, in a mass spectrometric analysis of the sample, there is no charge up of the sample and appropriate ionization becomes possible.
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公开(公告)号：US20170108408A1
公开(公告)日：2017-04-20
申请号：US15278792
申请日：2016-09-28
CPC分类号： G01M15/08 , F02B77/085 , F02M51/005 , F02M57/005 , F02M61/14 , F02M2200/247 , G01L23/22
摘要： An in-cylinder pressure detecting apparatus for detecting a pressure in a combustion chamber of an internal combustion engine is provided. The in-cylinder pressure detecting apparatus includes a pressure detecting element mounted on a fuel injection device which injects fuel into the combustion chamber; and an amplifying circuit unit having an amplifying circuit which amplifies a signal output from the pressure detecting element and outputs a pressure detection signal. An in-cylinder pressure detecting unit including the pressure detecting element, the amplifying circuit unit, and a connecting member connecting the pressure detecting element with the amplifying circuit unit, is integrated with the fuel injection device, and an external surface of the amplifying circuit unit is shielded with metal thin film.
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公开(公告)号：US11892479B2
公开(公告)日：2024-02-06
申请号：US17627118
申请日：2020-03-31
IPC分类号： G01R15/24 , G01R33/032
CPC分类号： G01R15/246 , G01R33/0322
摘要： A magnetic field sensor element 1 includes a light emitter 10 emitting a first linearly polarized light, a first optical element 20 emitting a first linearly polarized wave and the second linearly polarized wave in response to a first linearly polarized light incident, and emitting a second linearly polarized light in response to a third linearly polarized wave and the a linearly polarized wave incident, at least one pair of magnetic field sensor elements 50 capable of disposing in a predetermined magnetic field across the measured conductor, having a light transmissive, changing the phase of transmitted light in accordance with the magnetic field, and fixing a relative position therebetween, an optical path 30 including a first optical path propagating the first linearly polarized wave and the fourth linearly polarized wave, and a second optical path propagating the second linearly polarized wave and the third linearly polarized wave, and connected to the first optical element and the magnetic field sensor element, a detected signal generator 60 outputting a detected signal corresponding to the magnetic field, by receiving two components of the second linearly polarized light, and converting to the electrical signal, and an optical branching element transmitting the first linearly polarized light to the first optical element and branching the second linearly polarized light to the detected signal generator.
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公开(公告)号：US11435415B2
公开(公告)日：2022-09-06
申请号：US16651900
申请日：2018-09-28
发明人： Toshiya Kubo , Mitsunori Miyamoto , Toshiro Sato
IPC分类号： G01R33/032 , G01R15/24 , G02B6/024
摘要： To provide a magnetic sensor element and a magnetic sensor device that can be easily manufactured and can reduce a loss of light to the extent possible. The above-described problem is solved by a magnetic sensor element comprising a planar lightwave circuit (11) provided with a light branching part (12), an input optical fiber (19) and an output optical fiber (20) connected to the planar lightwave circuit (11), a metal magnetic body type light transmitting film (30) that is provided on one end surface of the planar lightwave circuit (11) and transmits light entered from the input optical fiber (19), and a reflecting film (40) that is provided on the metal magnetic body type light transmitting film (30) and reflects the transmitted light. The output optical fiber (20) is a polarization-plane maintaining optical fiber, and the input optical fiber (19) and the output optical fiber (20) are aligned and connected to the planar lightwave circuit (11).
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公开(公告)号：US10718681B2
公开(公告)日：2020-07-21
申请号：US16082362
申请日：2017-02-27
发明人： Yuta Kanamori , Tetsuya Aiba , Masanori Yomoyama , Satoshi Sue
摘要： A pressure detecting device that detects the combustion pressure in an internal combustion engine includes: a piezoelectric element that outputs a charge signal corresponding to the pressure in a combustion chamber; and a mounting board on which are mounted an integrating circuit that integrates the charge signal outputted by the piezoelectric element and an amplifier circuit that amplifies a voltage signal obtained by integration. On the mounting board are provided: a power receiving terminal that receives a power-supply voltage from a controller; an output terminal that outputs an output signal after amplification to the controller; and a grounding terminal for making the ground of the controller and the mounting board common. Furthermore, in the mounting board, the grounding terminal and grounding ends of the integrating circuit and the amplifier circuit are connected by way of grounding ferrite beads.
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公开(公告)号：US10221782B2
公开(公告)日：2019-03-05
申请号：US15021735
申请日：2015-03-26
摘要： An in-cylinder pressure detecting apparatus for detecting a pressure in a combustion chamber of an internal combustion engine is provided. The in-cylinder pressure detecting apparatus comprises a pressure detecting element mounted on a tip-portion of a fuel injection device which injects fuel into the combustion chamber, and an amplifying circuit unit having an amplifying circuit which amplifies a signal output from the pressure detecting element and outputs a pressure detection signal. An in-cylinder pressure detecting unit integrated fuel injection device is configured by integrating an in-cylinder pressure detecting unit with the fuel injection device. The in-cylinder pressure detecting unit includes the pressure detecting element, the amplifying circuit unit, and a connecting member connecting the pressure detecting element with the amplifying circuit unit. The in-cylinder pressure detecting unit integrated fuel injection device is mounted on the internal combustion engine.
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