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公开(公告)号：US20230168166A1
公开(公告)日：2023-06-01
申请号：US18102570
申请日：2023-01-27
发明人： Tomoaki KANETO , Masashi HATTORI
CPC分类号： G01N5/02 , B01J20/226 , B01J20/262 , B01J20/3223 , B01J20/3265 , B01J20/28026
摘要： An odor sensor includes a base material, and a plurality of MOF particles arranged on the base material. In an XRD measurement for the plurality of MOF particles arranged on the base material, in a range of 2θ = 5 ° to 20 °, a peak intensity of a third highest peak is ⅒ or less with respect to a peak intensity of a first highest peak.
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公开(公告)号：US20180266995A1
公开(公告)日：2018-09-20
申请号：US15922678
申请日：2018-03-15
发明人： Masashi HATTORI , Junji OSHITA
CPC分类号： G01N29/022 , G01N5/025 , G01N29/036 , G01N33/0027 , G01N2291/014 , G01N2291/0255 , G01N2291/0256 , G01N2291/02845 , G01N2291/0426
摘要： A gas detection element includes a crystal oscillator and a gas adsorption film formed on the crystal oscillator. The gas adsorption film has a thickness that causes the detection element to have a crystal impedance of no more than 10 times the crystal impedance of the crystal oscillator on which the gas adsorption film is not formed. A resonance frequency variation of the gas detection element due to humidity variation can be kept within a certain range.
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公开(公告)号：US20190193528A1
公开(公告)日：2019-06-27
申请号：US16226338
申请日：2018-12-19
发明人： Masashi HATTORI , Yosuke ONDA , Kenichi SHIMOMAI , Jin MIKATA , Taiji ITO
CPC分类号： B60H3/0085 , B60H1/00742 , B60H3/06
摘要： An air conditioning system includes: an air conditioner to regulate a state of air in a room; a sensor device including at least one detector to detect an amount of an odor-causing substance included in the air in the room; and a control device to control operation of the air conditioner. The control device includes: a first acquisition unit to acquire a detected value of each of the at least one detector at a first timing when a person is present in the room; a second acquisition unit to acquire a detected value of each of the at least one detector at a second timing later than the first timing; a difference calculator to calculate a difference between the detected value at the first timing and the detected value at the second timing; and an instruction unit to control operation of the air conditioner based on the difference.
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公开(公告)号：US20220236225A1
公开(公告)日：2022-07-28
申请号：US17605543
申请日：2020-04-17
发明人： Masashi HATTORI , Kenichi SHIMOMAI , Yosuke ONDA
IPC分类号： G01N29/036 , G01N29/44 , G01N1/40 , G01N33/00
摘要： [Object] To provide an arithmetic device, an arithmetic method, and a gas detection system that are capable of easily correcting deterioration over time of a detection element.
[Solving Means] The arithmetic device includes a calculation unit. The calculation unit calculates a correction coefficient from a detection element that causes a resonant frequency change by adsorption of gas on the basis of a resonant frequency change amount associated with a humidity change of the detection element in a degraded state and a resonant frequency change amount associated with a humidity change of the detection element in an initial state that was acquired in advance, and corrects the resonant frequency change amount of the detection element in the degraded state by using the correction coefficient.-
公开(公告)号：US20220178871A1
公开(公告)日：2022-06-09
申请号：US17681314
申请日：2022-02-25
发明人： Manoharan MURUGANATHAN , Gabriel AGBONLAHOR , Hiroshi MIZUTA , Kenichi SHIMOMAI , Masashi HATTORI , Yosuke ONDA
IPC分类号： G01N27/414
摘要： A gas determination method uses a sensor having a field-effect transistor structure including a gate electrode, an insulating film formed on the gate electrode, a source electrode and a drain electrode formed on the insulating film, and a graphene layer formed on the insulating film and connecting the source electrode and the drain electrode to each other. The gas determination method includes: supplying gas to the graphene layer; applying a first voltage to the gate electrode for a predetermined period of time; and thereafter measuring a change in a current flowing between the source electrode and the drain electrode when a sweep voltage is applied to the gate electrode, repeating the same current measurement with a second voltage different from the first voltage, and determining the gas based on the measurement results.
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6.发明申请公开(公告)号：US20200240669A1
公开(公告)日：2020-07-30
申请号：US16482165
申请日：2018-03-09
发明人： Junji OSHITA , Masashi HATTORI
摘要： [Object] To provide a management apparatus and an air conditioning management system by which the objectivity of a comfort level evaluation relating to a smell in a room can be enhanced and a comfort level can be evaluated also with respect to an unknown smell.[Solving Means] A management apparatus according to an embodiment of the present invention includes a detecting unit, an input unit, a storage unit, and a control unit. The detecting unit detects a smell in a room. The input unit is operated by a user who enters the room and acquires a sensory evaluation of each user which relates to the smell in the room when the user enters the room. The storage unit accumulates evaluation data obtained by associating an output of the detecting unit and an output of the input unit with each other and stores a plurality of attributes relating to a comfort level of the smell in the room, the attributes being classified on the basis of the evaluation data. The control unit determines which of the plurality of attributes the output of the detecting unit belongs to.
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公开(公告)号：US20180045682A1
公开(公告)日：2018-02-15
申请号：US15666427
申请日：2017-08-01
发明人： Masashi HATTORI
IPC分类号： G01N29/036 , G01N33/00
摘要： A gas sensor offering high gas identification property includes: a first gas detection element having a first oscillator, as well as a first gas-adsorption film which is provided on the first oscillator and constituted by two or more fluorine resins including vinylidene fluoride resin; a second gas detection element having a second oscillator, as well as a second gas-adsorption film which is provided on the second oscillator and constituted by two or more fluorine resins including vinylidene fluoride resin and which has adsorption characteristics different from those of the first adsorption film; and a detection circuitry that detects the resonance frequencies of the first and second gas detection elements.
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公开(公告)号：US20210003543A1
公开(公告)日：2021-01-07
申请号：US17028040
申请日：2020-09-22
发明人： Masashi HATTORI , Junji OSHITA , Kenichi SHIMOMAI
摘要： A sensing system includes: a first odor sensor including one or more detection elements respectively detecting an amount of an odor-causing substance or substances existing in air; a filter to remove the odor-causing substance existing in air; a second odor sensor including one or more detection elements respectively detecting an amount of the odor-causing substance or substances existing in air having passed through the filter; and one or more processor generating and outputting one or more detection signals by calculating a difference between one or more first output signals generated by the one or more detection elements of the first odor sensor and one or more second output signals generated by the one or more detection elements of the second odor sensor, the one or more processors generating and outputting odor information based on one or more waveforms of the generated one or more detection signals.
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公开(公告)号：US20180088088A1
公开(公告)日：2018-03-29
申请号：US15710617
申请日：2017-09-20
发明人： Kenichi SHIMOMAI , Masashi HATTORI , Junji OSHITA
IPC分类号： G01N29/32 , G01N29/22 , G01N29/036
CPC分类号： G01N29/326 , G01N29/036 , G01N29/222 , G01N29/4463 , G01N2291/014 , G01N2291/0255 , G01N2291/0256
摘要： A gas sensor is equipped with a first detection element which has a first oscillator and a first adsorption film provided on the first oscillator to adsorb a specific gas, and changes its resonance frequency according to the adsorption of the gas; a second detection element which has a second oscillator and a second adsorption film provided on the second oscillator to adsorb moisture in the gas, and changes its resonance frequency according to the adsorption of the moisture; a third detection element which has a third oscillator, and changes its resonance frequency according to the temperature of the gas; and a computing unit which corrects the change in the resonance frequency of the first detection element based on the change in the resonance frequency of the second detection element and the change in the resonance frequency of the third detection element.
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