公开(公告)号：US20180205854A1

公开(公告)日：2018-07-19

申请号：US15869830

申请日：2018-01-12

Applicant: Hitachi, Ltd.

Inventor： Shinsuke ONOE ,  Toshiteru NAKAMURA ,  Kenichiro YAMADA ,  Takahiro MATSUDA ,  Yoshiho SEO

IPC: H04N3/02 ,  H04N3/28

CPC classification number: H04N3/02 ,  G01S7/4817 ,  G01S7/4818 ,  G01S17/08 ,  G01S17/42 ,  G02B6/4206 ,  G02B6/4239 ,  H04N3/28

Abstract: An optical scanning device for displaying or capturing an image is used, the device including: an optical scanning unit configured to scan emitted light while drawing a spiral trajectory, wherein the unit includes: a light guide path configured to guide incident light to output the emitted light from an emission end; and a vibration unit configured to vibrate the emission end; a light emission control unit configured to control light emission of the emitted light; a polar coordinate generation unit configured to generate a radius and a deflection angle relating to the spiral trajectory; a driving signal generation unit configured to generate a driving signal for driving the vibration unit; an angle correction unit configured to perform calculation for correcting an angle based on information from the driving signal generation unit and output an corrected angle; and a coordinate calculation unit configured to calculate coordinates of an image.

公开(公告)号：US20160284374A1

公开(公告)日：2016-09-29

申请号：US15034998

申请日：2013-11-08

Applicant: HITACHI, LTD.

Inventor： Kenichiro YAMADA ,  Shinsuke ONOE ,  Kouichirou NISHIMURA

IPC: G11B7/0065

CPC classification number: G11B7/0065 ,  G03H1/041 ,  G03H2223/13 ,  G11B7/1369

Abstract: The problem addressed by the present invention is to increase the use efficiency of a holographic storage medium, achieving an increase in the number of storage layers, and to achieve favorable and stable storage maintaining the storage quality of each pixel of a page interior and page exterior. As a solution, the present invention is provided with: a phase mask that adds phase information to signal light; a phase mask drive unit that drives the phase mask; a phase mask control unit that controls the phase mask drive unit; and a phase mask drive speed detection unit that detects the drive speed of the phase mask. When the phase mask drive speed obtained by the phase mask drive speed detection unit is contained within a predetermined range, the storage of information is executed.

Abstract translation: 本发明解决的问题是提高全息存储介质的使用效率，实现存储层数量的增加，实现有利且稳定的存储，保持了页面内部和页面外部的每个像素的存储质量 。 作为解决方案，本发明提供有：将相位信息添加到信号光的相位掩模; 驱动相位掩模的相位掩模驱动单元; 相位掩模控制单元，控制相位掩模驱动单元; 以及相位掩模驱动速度检测单元，其检测相位掩模的驱动速度。 当由相位掩模驱动速度检测单元获得的相位掩模驱动速度包含在预定范围内时，执行信息的存储。

公开(公告)号：US20230401615A1

公开(公告)日：2023-12-14

申请号：US18033755

申请日：2021-09-02

Applicant: HITACHI, LTD.

Inventor： Kenichiro YAMADA ,  Yoshiki YUMBE ,  May TAKADA ,  Ippei NUMATA ,  Tasuku SOGA

IPC: G06Q30/06 ,  G06Q20/20 ,  G06V10/44 ,  G06V10/764

CPC classification number: G06Q30/06 ,  G06Q20/20 ,  G06V10/44 ,  G06V10/764

Abstract: An optimization system includes: a customer touring acquisition unit that is configured to be able to acquire touring of stores by a customer; a store attribute information acquisition unit that is configured to be able to acquire one or more items of store attribute information for classifying features of the stores; a model training unit that creates a correlation model for the touring by the customer and the store attribute information by using the touring of the stores by the customer and the store attribute information as inputs; and a trained model storage unit that stores the created model, in which information regarding one or more stores to be opened is presented in such a way as to increase the touring of the stores by the customer based on the model.

公开(公告)号：US20180296094A1

公开(公告)日：2018-10-18

申请号：US15580072

申请日：2016-03-24

Applicant: HITACHI, LTD.

Inventor： Toshiteru NAKAMURA ,  Satoshi OUCHI ,  Yoshiho SEO ,  Kouji FUJITA ,  Shinsuke ONOE ,  Kenichiro YAMADA ,  Tomoto KAWAMURA

IPC: A61B5/00

CPC classification number: A61B5/0073 ,  A61B5/0066 ,  G01S7/481 ,  G01S7/4817 ,  G01S7/4818 ,  G02B6/00 ,  G02B26/103

Abstract: An object of the invention is to provide a technology for further improving scanning performance. Provided is an optical scanning device including: a scanning unit including an optical waveguide configured to guide incident light and emit the light from an emission end, and a vibration unit configured to generate a vibration and vibrate the emission end; and a signal transmission unit configured to transmit a signal to the scanning unit and cause the scanning unit to scan an object, characterized in that the scanning unit includes a first bonding and vibration attenuating unit configured to bond, with an elastic member, an end surface of the vibration unit closer to the emission end and the optical waveguide.

公开(公告)号：US20240273606A1

公开(公告)日：2024-08-15

申请号：US18567605

申请日：2022-01-17

Applicant: Hitachi, Ltd.

Inventor： Satoko IWASAWA ,  Kenichiro YAMADA

IPC: G06Q30/0601 ,  G06Q50/16

CPC classification number: G06Q30/0631 ,  G06Q50/16

Abstract: A computer system for assisting registration to a service for matching a tenant and a space, in which the computer system manages space features representing characteristics of the space, acquires account information for SNS used by the tenant from the tenant, accesses the SNS using the account information and extracts keywords included in post information as SNS information, estimates tenant attributes representing business characteristics of the tenant based on the SNS information, estimates sales when the space is used for each combination of the tenant attributes and the space features, and presents an estimation result of the sales for each space to the tenant.