公开(公告)号：US11137284B2

公开(公告)日：2021-10-05

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: H01L27/144 ,  G01J1/44 ,  H01L31/02 ,  H01L31/0216

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.

公开(公告)号：US11004646B2

公开(公告)日：2021-05-11

申请号：US16494799

申请日：2018-02-26

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Kazutaka Suzuki

IPC: H01J35/10 ,  H01J35/12 ,  H01J35/18 ,  H05G1/02

Abstract: An X-ray tube includes: a vacuum housing configured to include an internal space which is vacuum; a target unit configured to be disposed in the internal space, and include a target that generates an X-ray by using an electron beam incident therein, and a target support unit that supports the target, the X-ray generated by the target being transmitted through the target support unit; and an X-ray emission window configured to be so provided as to face the target support unit, and seal an opening of the vacuum housing, the X-rays transmitted through the target support unit being transmitted through the X-ray emission window. At least a part of the X-ray emission window is in contact with the target support unit.

公开(公告)号：US10910191B2

公开(公告)日：2021-02-02

申请号：US16485840

申请日：2018-02-26

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Kazutaka Suzuki

IPC: H01J35/08 ,  H01J35/28 ,  H01J35/18

Abstract: An X-ray tube includes: a vacuum housing configured to include an internal space which is vacuum; a target unit configured to be disposed in the internal space, and include a target that generates an X-ray by using an electron beam incident therein, and a target support unit that supports the target, the X-ray generated by the target being transmitted through the target support unit; an X-ray emission window configured to be so provided as to face the target support unit, and seal an opening of the vacuum housing, the X-rays transmitted through the target support unit being transmitted through the X-ray emission window; an elastic member configured to press the target unit in such a direction as to approach the X-ray emission window; and a target shift unit configured to shift the target unit pressed by the elastic member in a direction crossing an incidence direction of the electron beam.

公开(公告)号：US11079271B2

公开(公告)日：2021-08-03

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: H01L27/144 ,  G01J1/44 ,  H01L31/02 ,  H01L31/0216

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.

公开(公告)号：US11723534B2

公开(公告)日：2023-08-15

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

IPC: A61B3/113 ,  A61B3/08 ,  A61B3/11 ,  G06V40/19 ,  G06V40/16 ,  G06F18/22 ,  G06V10/74 ,  A61B3/00 ,  A61B3/14 ,  G06F3/03

CPC classification number: A61B3/113 ,  A61B3/0025 ,  A61B3/112 ,  A61B3/145 ,  G06F3/0304 ,  G06F18/22 ,  G06V10/761 ,  G06V40/165 ,  G06V40/19 ,  A61B3/08

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.

公开(公告)号：US11619480B2

公开(公告)日：2023-04-04

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.

公开(公告)号：US11085760B2

公开(公告)日：2021-08-10

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

IPC: G01B11/24 ,  G01B11/00 ,  H01L27/144 ,  H01L31/02 ,  H01L31/0216 ,  G01J1/02 ,  G01B11/25 ,  H01L27/146

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.

公开(公告)号：US10722112B2

公开(公告)日：2020-07-28

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

IPC: A61B3/113 ,  A61B3/10 ,  A61B3/00 ,  A61B3/14 ,  G01B11/25 ,  G06K9/00 ,  G06T7/73

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.

公开(公告)号：US10977806B2

公开(公告)日：2021-04-13

申请号：US16367586

申请日：2019-03-28

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Kazutaka Suzuki ,  Haruyoshi Toyoda ,  Hiroyuki Okada

IPC: G06T7/00 ,  G06T7/246 ,  A61B5/16

Abstract: An eye movement feature amount calculating system includes: a moving state input unit that inputs moving state values in a time series indicating a moving state of an eye of an examinee; a saccade period extracting unit that extracts a saccade period in which the eye performs saccadic movement based on time-series variation of the moving state values; and a feature amount calculating unit that divides a period including at least a part of the extracted saccade period into a plurality of periods and calculates a feature amount of eye movement of the subject based on the separate periods.

公开(公告)号：US10819932B2

公开(公告)日：2020-10-27

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 ,  G06T7/66 ,  G01B11/14 ,  G01J1/04 ,  H01L27/146

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.