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公开(公告)号：US11601628B2
公开(公告)日：2023-03-07
申请号：US17329782
申请日：2021-05-25
发明人： Akira Sano , Shinji Kubota
摘要： A control method of a spectroscopic imaging device including an imaging element and a spectral element, the control method includes causing the spectroscopic imaging device to generate a first measurement spectrum consisting of N1 wavelengths by imaging a target object by making output wavelengths of a spectral element different when the spectroscopic imaging device is in a high accuracy mode and causing the spectroscopic imaging device to generate a second measurement spectrum consisting of N2 wavelengths by imaging the target object by making the output wavelengths of the spectral element different when the spectroscopic imaging device is in a high speed mode, in which N1 is an integer greater than or equal to two, and N2 is an integer less than N1.
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公开(公告)号：US11146767B2
公开(公告)日：2021-10-12
申请号：US16775333
申请日：2020-01-29
发明人： Akira Sano
摘要： A projection position detection device includes: a spectroscopic camera receiving light from an image pickup range including a projection image projected onto a projection target, and picking up a plurality of spectral images corresponding to different wavelengths from each other; a spectrum computation unit computing an optical spectrum of each pixel, based on the plurality of spectral images; a feature point detector detecting a feature point in the image pickup range, based on the optical spectrum of the pixel; and a projection position calculator calculating a relative position of the projection image to the feature point.
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公开(公告)号：US09891424B2
公开(公告)日：2018-02-13
申请号：US14494996
申请日：2014-09-24
发明人： Nozomu Hirokubo , Akira Sano
CPC分类号： G02B26/001 , B81B7/008 , B81B2207/03 , H02N1/006
摘要： An actuator drive system includes electrostatic actuators and a voltage controller that applies drive voltages to the electrostatic actuators, and the voltage controller includes a digital control device that splits an 8-bit drive variable corresponding to an overall displacement amount provided by the electrostatic actuators into 4-bit individual drive variables, a first DAC that produces a first drive voltage signal based on a first individual drive variable, and a second DAC that produces a second drive voltage signal based on a second individual drive variable.
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公开(公告)号：US09797774B2
公开(公告)日：2017-10-24
申请号：US14580848
申请日：2014-12-23
发明人： Akira Sano , Takashi Nagate , Kazunori Sakurai , Nozomu Hirokubo
CPC分类号： G01J3/2823 , G01J3/0202 , G01J3/0235 , G01J3/027 , G01J3/0272 , G01J3/0289 , G01J3/0291 , G01J3/26 , G01J3/28 , G01J3/32
摘要： A spectrometry system includes an imaging apparatus that includes an imaging element which captures an image, and a spectroscopic module that includes a wavelength variable interference filter and an attachment unit which holds the wavelength variable interference filter, is provided to be attachable to and detachable from the imaging apparatus, and can dispose the wavelength variable interference filter on an optical path of incident light to the imaging element during attachment to the imaging apparatus.
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公开(公告)号：US09678259B2
公开(公告)日：2017-06-13
申请号：US13766122
申请日：2013-02-13
发明人： Yasushi Matsuno , Akira Sano
IPC分类号： G02B5/28 , G02B26/00 , G01N21/65 , G01J3/28 , G01J3/42 , G01J3/44 , G01J3/50 , G01J3/51 , G01J3/12
CPC分类号： G02B5/284 , G01J3/2823 , G01J3/42 , G01J3/44 , G01J3/50 , G01J3/51 , G01J2003/1234 , G01J2003/2826 , G01N21/65 , G02B26/001 , Y10T29/49904
摘要： An optical filter device includes an interference filter and a housing. The interference filter includes a fixed substrate, a movable substrate joined to the fixed substrate, a fixed reflective film provided on the fixed substrate, and a movable reflective film provided on the movable substrate and opposed to the fixed reflective film across an inter-reflective film gap. The housing includes a base substrate on which the interference filter is arranged. A fixing member is arranged between the movable substrate and the base substrate. The movable substrate is fixed to the base substrate by the fixing member in one place excluding a region where the movable reflective film is provided.
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6.发明授权Variable wavelength interference filter, optical filter device, optical module, and electronic apparatus 有权可变波长干涉滤波器，滤光器件，光模块和电子设备公开(公告)号：US09335537B2
公开(公告)日：2016-05-10
申请号：US13864612
申请日：2013-04-17
发明人： Akira Sano
IPC分类号： G02B26/00
CPC分类号： G02B26/001
摘要： A variable wavelength interference filter includes a stationary substrate provided with a stationary reflecting film, a movable substrate provided with a movable reflecting film, a first electrostatic actuator, and a second electrostatic actuator which can be driven independently of the first electrostatic actuator, two first partial actuators constituting the first electrostatic actuator have the same shape as each other in the plan view, and are arranged at regular angular intervals and with the same distance with respect to the filter center point, and two second partial actuators constituting the second electrostatic actuator have the same shape as each other in the plan view, and are arranged at regular angular intervals and with the same distance with respect to the filter center point.
摘要翻译： 可变波长干涉滤光器包括设置有静止反射膜的固定基板，设置有可移动反射膜的可移动基板，第一静电致动器和可独立于第一静电致动器驱动的第二静电致动器， 构成第一静电致动器的致动器在平面图中具有相同的形状，并且以相对于过滤器中心点的规定的角度间隔和相同的距离布置，并且构成第二静电致动器的两个第二部分致动器具有 在平面图中彼此相同的形状，并且以规则的角度间隔和相对于过滤器中心点具有相同的距离布置。
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公开(公告)号：US20140218586A1
公开(公告)日：2014-08-07
申请号：US14171866
申请日：2014-02-04
发明人： Akira Sano
IPC分类号： G02B26/00
CPC分类号： G02B26/001 , G01J3/26 , G01J3/51 , G02B6/29358 , G02B26/0841
摘要： An optical module includes a fixed reflection film, a movable reflection film, a first driver having a plurality of sub-drivers that can be driven independently of each other via voltage application in a plan view, a second driver that changes the dimension of a gap between the fixed reflection film and the movable reflection film, and a voltage controller that applies first drive voltages to the sub-drivers and applies a second drive voltage to the second driver, and the voltage controller applies a first drive voltage set for each of the sub-drivers in accordance with parallelism between the fixed reflection film and the movable reflection film at the time when the dimension of the gap is changed.
摘要翻译： 光学模块包括固定反射膜，可移动反射膜，具有多个辅助驱动器的第一驱动器，其可以通过平面图中的电压施加而彼此独立地驱动;第二驱动器，其改变间隙的尺寸 在所述固定反射膜和所述可动反射膜之间，以及电压控制器，其对所述副驱动器施加第一驱动电压并对所述第二驱动器施加第二驱动电压，并且所述电压控制器对所述第二驱动电压施加第一驱动电压， 根据间隙尺寸改变时固定反射膜和可移动反射膜之间的平行度的副驱动器。
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公开(公告)号：US10921503B2
公开(公告)日：2021-02-16
申请号：US16922029
申请日：2020-07-07
发明人： Akira Sano
摘要： A wavelength variable interference filter includes: a first substrate on which a first reflection film is formed; and a second substrate that includes a movable portion on which a second reflection film facing the first reflection film is formed and a holding portion surrounding an outer circumference of the movable portion and holding the movable portion so that the movable portion is displaceable in a thickness direction of the second reflection film. The movable portion has long and short sides in a plan view. The holding portion includes a long-side holding portion formed along the long side and a short-side holding portion formed along the short side. The rigidity of the short-side holding portion is lower than the rigidity of the long-side holding portion.
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公开(公告)号：US09829381B2
公开(公告)日：2017-11-28
申请号：US14187990
申请日：2014-02-24
发明人： Tomonori Matsushita , Akira Sano
摘要： A communication system includes a transmission terminal for displaying a color code having a plurality of colors of code patterns arranged two-dimensionally, and a spectroscopic measurement device including a variable wavelength interference filter for dispersing the light from the image displayed on the transmission terminal, an imaging section adapted to image the light dispersed by the variable wavelength interference filter to obtain a spectral image, a colorimetric section adapted to measure a dispersion spectrum of each of pixels in each of spectral images of a plurality of wavelengths with respect to the color code based on the light intensity value in each of the pixels, in the case in which the spectral images are obtained, and a decode section adapted to detect an arrangement of the code patterns based on the pixel positions and the dispersion spectrums of the respective pixels, and decode the color code.
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10.发明授权公开(公告)号：US09234795B2
公开(公告)日：2016-01-12
申请号：US13658118
申请日：2012-10-23
发明人： Akira Sano
IPC分类号： G01J3/51 , G01J3/02 , G02B26/00 , G01J3/10 , G01J3/26 , G01J3/32 , G01J3/42 , G02B5/28 , G01J3/28
CPC分类号： G01J3/0297 , G01J3/027 , G01J3/10 , G01J3/26 , G01J3/32 , G01J3/42 , G01J2003/2879 , G02B26/001
摘要： A spectroscopic measurement apparatus includes: a wavelength tunable interference filter including a fixed substrate having a fixed reflection film, a movable substrate having a movable reflection film, and an electrostatic actuator that changes a gap value of an inter-reflection-film gap by applying a voltage to bend the movable substrate; a detector that detects a light level; and a controller that measures a spectral characteristic of light under measurement. The controller includes a filter driver that applies a drive voltage to the electrostatic actuator to change the inter-reflection-film gap, a detected light level acquisition unit that acquires light levels detected by the detector, and a target light level acquisition unit that acquires a light level corresponding to an oscillation center of the movable substrate as a target light level based on how the detected light level transitions and a natural oscillation cycle that the movable substrate has.
摘要翻译： 一种分光测量装置包括：波长可调干涉滤光器，包括具有固定反射膜的固定基板，具有可移动反射膜的可移动基板和通过施加相互反射膜间隙来改变间隔反射膜间隙的间隙值的静电致动器 电压使可动基板弯曲; 一个检测光线的检测器; 以及测量测量光的光谱特性的控制器。 所述控制器包括滤波器驱动器，其向所述静电致动器施加驱动电压以改变所述反射间隙;检测光级获取单元，其获取由所述检测器检测到的光电平;以及目标光级获取单元， 基于检测到的光水平的过渡以及可动基板的固有振荡周期，将与可动基板的振荡中心对应的光水平作为目标光水平。
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