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公开(公告)号：US20200264426A1
公开(公告)日：2020-08-20
申请号：US16061465
申请日：2016-12-07
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Yoshinori MATSUI , Haruyoshi TOYODA , Munenori TAKUMI , Kazutaka SUZUKI , Kazuhiro NAKAMURA
IPC: G02B26/08
Abstract: A light beam irradiation device includes a light source unit that emits a light beam, a reflection mirror and a driving unit that swings the reflection mirror under supply of a driving signal, and comprises the light deflection unit receiving and reflecting the light beam emitted from the light source unit using the reflection mirror, a light deflection angle detection unit that includes a light reception surface that receives the light beam reflected by the reflection mirror, the light deflection angle detection unit detecting a position of the light beam on the light reception surface at a frequency equal to or higher than four times a resonance frequency of the light deflection unit and outputting a detection signal indicating the position, and an operation control unit that corrects the driving signal on the basis of the detection signal and outputs the corrected driving signal to the light deflection unit.
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公开(公告)号：US20200217647A1
公开(公告)日：2020-07-09
申请号：US16647501
申请日：2018-09-19
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Munenori TAKUMI , Haruyoshi TOYODA , Yoshinori MATSUI , Kazutaka SUZUKI , Kazuhiro NAKAMURA , Keisuke UCHIDA
Abstract: Provided is a shape measurement sensor including a light-receiving unit and a calculation unit. The light-receiving unit includes a plurality of pixel pairs. Each of the pixel pairs includes a first pixel and a second pixel that is disposed side by side with the first pixel along a first direction. In the first pixel, as an incident position is closer to one end of the light-receiving unit in a second direction, an intensity of a first electric signals decreases. In the second pixel, as the incident position is closer to the one end, an intensity of a second electric signal increases. The calculation unit calculates the incident position in the second direction for each of the pixel pairs on the basis of the intensity of the first electric signal and the intensity of the acquired second electric signal.
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公开(公告)号：US20210041221A1
公开(公告)日：2021-02-11
申请号：US16976911
申请日：2018-12-25
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Yoshinori MATSUI , Yukinobu SUGIYAMA , Munenori TAKUMI , Haruyoshi TOYODA , Kazutaka SUZUKI , Kazuhiro NAKAMURA , Keisuke UCHIDA
IPC: G01B11/00
Abstract: A plurality of pixels are arranged two-dimensionally in a matrix and individually include a first photosensitive portion and a second photosensitive portion. A plurality of first wirings connect a plurality of first photosensitive portions to each other for every row. A plurality of second wirings connect a plurality of second photosensitive portions to each other for every column. A first reading unit is arranged to read signal data through at least some of the plurality of first wirings. A second reading unit is arranged to read signal data through at least some of the plurality of second wirings. The first reading unit has a reading pixel setting unit arranged to set, based on signal data read in the first frame, a pixel group for reading signal data in a second frame subsequent to a first frame from the plurality of pixels.
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公开(公告)号：US20200271512A1
公开(公告)日：2020-08-27
申请号：US16647492
申请日：2018-08-21
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Munenori TAKUMI , Haruyoshi TOYODA , Yoshinori MATSUI , Kazutaka SUZUKI , Kazuhiro NAKAMURA , Keisuke UCHIDA
IPC: G01J1/44 , H01L31/02 , H01L31/0216 , H01L27/144
Abstract: Provided is a position detection sensor. In a first pixel part, as an incident position is closer to a first end of a first pixel pair group in a second direction, an intensity of a first electric signal decreases. In a second pixel part, as the incident position is closer to the first end, an intensity of a second electric signal increases. In a third pixel part, as the incident position is closer to a second end of a second pixel pair group in a first direction, an intensity of a third electric signal decreases. In a fourth pixel part, as the incident position is closer to the second end, an intensity of a fourth electric signal increases. A calculation unit calculates a second position on the basis of the first and second electric signals, and calculates a first position on the basis of the third and fourth electric signals.
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公开(公告)号：US20200213551A1
公开(公告)日：2020-07-02
申请号：US16647399
申请日：2018-08-21
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Munenori TAKUMI , Haruyoshi TOYODA , Yoshinori MATSUI , Kazutaka SUZUKI , Kazuhiro NAKAMURA , Keisuke UCHIDA
IPC: H04N5/3745 , H01L27/146 , G01J1/04 , G01B11/14 , G06T7/66
Abstract: In a first pixel part, as an incident position is closer to a first end of a first pixel pair group in a second direction, an intensity of a first electric signal decreases. In a second pixel part, as the incident position is closer to the first end, an intensity of a second electric signal increases. In a third pixel part, as the incident position is closer to a second end of a second pixel pair group in a first direction, an intensity of a third electric signal decreases. In a fourth pixel part, as the incident position is closer to the second end, an intensity of a fourth electric signal increases. A calculation unit performs weighting on a first position on the basis of the third and fourth electric signals, and performs weighting on a second position on the basis of the first and second electric signals.
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Patent Agency Ranking
公开(公告)号：US20160302662A1
公开(公告)日：2016-10-20
申请号：US15101169
申请日：2014-11-14
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Kazutaka SUZUKI , Yoshinori MATSUI , Haruyoshi TOYODA , Munenori TAKUMI , Naotoshi HAKAMATA
Abstract: A tablet terminal 1A is a measurement apparatus for measuring a subject's eyelid position, and includes a display section 3 that generates a vertically long light emitting region to make a reflection image form on a corneal surface of the subject's eyeball, a camera 5 that images the reflection image formed by the display section 3, and an arithmetic circuit 7 that derives reflection image information concerning a size or position of the reflection image based on image data of the reflection image obtained by the camera 5, and measures the eyelid position based on the reflection image information.
Abstract translation: 平板电脑终端1A是用于测量被检者的眼睑位置的测量装置，包括：生成垂直长的发光区域的显示部3，以在被检者的眼球的角膜表面上形成反射图像;照相机5， 由显示部3形成的反射图像，以及运算电路7，其基于由照相机5获得的反射图像的图像数据，导出与反射图像的大小或位置有关的反射图像信息，并且基于 反射图像信息。
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7.发明申请EYEBLINK MEASUREMENT METHOD, EYEBLINK MEASUREMENT APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM 审中-公开EYEBLINK测量方法，EYEBLINK测量设备和非终端计算机可读介质公开(公告)号：US20160345818A1
公开(公告)日：2016-12-01
申请号：US15163921
申请日：2016-05-25
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Kazutaka SUZUKI , Munenori TAKUMI , Naotoshi HAKAMATA , Haruyoshi TOYODA , Yoshinori MATSUI
CPC classification number: A61B3/0025 , A61B3/10 , A61B3/113 , A61B5/1103 , A61B5/1128 , A61B5/18 , A61B2576/02
Abstract: An eyeblink measurement method includes a step of detecting reflected light from a part including a target person's eyelid and eye and outputting an image signal of the reflected light, using a photodetector, a step of calculating a position of a corneal reflected light produced on the eye in the part and a position of the eyelid in the part based on the image signal, a step of correcting the position of the eyelid based on the position of the corneal reflected light, and a step of calculating a feature amount regarding blinking based on a temporal change in the corrected position of the eyelid.
Abstract translation: 眼线测量方法包括：检测来自包括目标人的眼睑和眼睛的部分的反射光并使用光电检测器输出反射光的图像信号的步骤;计算眼睛上产生的角膜反射光的位置的步骤 在基于图像信号的部分中的眼睑的部分和位置中，基于角膜反射光的位置来校正眼睑的位置的步骤，以及基于角膜反射光的特征量计算关于眨眼的特征量的步骤 眼睑校正位置的时间变化。
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公开(公告)号：US20200217644A1
公开(公告)日：2020-07-09
申请号：US16647500
申请日：2018-08-28
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Munenori TAKUMI , Haruyoshi TOYODA , Yoshinori MATSUI , Kazutaka SUZUKI , Kazuhiro NAKAMURA , Keisuke UCHIDA
IPC: G01B11/00 , H01L27/144 , H01L31/02 , H01L31/0216
Abstract: Provided is a position detection sensor including: a light-receiving unit that includes a first pixel, a second pixel and a calculation unit that performs center-of-gravity operation by using an intensity of first and second electric signals to calculate a first position. In the first pixel, as the incident position is closer to one end of the light-receiving unit in a second direction, the intensity of the first electric signal decreases. In the second pixel, as the incident position is closer to the one end, the intensity of the second electric signal increases. The calculation unit further calculates a second position on the basis of a first integrated value obtained by integrating the intensity of the first electric signal, and a second integrated value obtained by integrating the intensity of the second electric signal.
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公开(公告)号：US20220290972A1
公开(公告)日：2022-09-15
申请号：US17829885
申请日：2022-06-01
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Yoshinori MATSUI , Yukinobu SUGIYAMA , Munenori TAKUMI , Haruyoshi TOYODA , Kazutaka SUZUKI , Kazuhiro NAKAMURA , Keisuke UCHIDA
IPC: G01B11/00
Abstract: A plurality of pixels are arranged two-dimensionally in a matrix and individually include a first photosensitive portion and a second photosensitive portion. A plurality of first wirings connect a plurality of first photosensitive portions to each other for every row. A plurality of second wirings connect a plurality of second photosensitive portions to each other for every column. A first reading unit 21 is arranged to read signal data through at least some of the plurality of first wirings. A second reading unit 31 is arranged to read signal data through at least some of the plurality of second wirings. The first reading unit 21 has a reading pixel setting unit 26 arranged to set, based on signal data read in the first frame, a pixel group for reading signal data in a second frame subsequent to a first frame from the plurality of pixels.
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10.发明申请公开(公告)号：US20210068653A1
公开(公告)日：2021-03-11
申请号：US17099993
申请日：2020-11-17
Applicant: HAMAMATSU PHOTONICS K.K.
Inventor： Kazutaka SUZUKI , Munenori TAKUMI , Naotoshi HAKAMATA , Haruyoshi TOYODA , Yoshinori MATSUI
Abstract: An object is to simply and easily evaluate differences in behavior of the eyes of subjects. A binocular measurement system 1 includes a photodetector 7 that detects reflected light from the right eye ER and the left eye EL of a subject, and outputs image signal of the reflected light, a feature amount calculating unit 11 that calculates a feature amount corresponding to the right eye ER and a feature amount corresponding to the left eye EL based on the image signal, and a comparison value calculating unit 13 that calculates, based on the two feature amounts, a comparison value obtained by comparing the two feature amounts.
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