Patents by Inventor Yoshiho Seo
Yoshiho Seo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240080412Abstract: Provided is a video display device wearable on the head of a user, wherein the video display device includes a video display unit capable of switching two or more display methods, a control unit for indicating a display method to the video display unit, a first detection unit for detecting the motion of the head of a user, a second detection unit for detecting the motion of the point of view of the user, and a motion determination unit for determining the motion state of the device user by using the output from the first detection unit and the output from the second detection unit. The control unit indicates a change of display methods to the video display unit in accordance with the determination result of the motion determination unit.Type: ApplicationFiled: November 14, 2023Publication date: March 7, 2024Inventors: Takahiro MATSUDA, Satoshi OUCHI, Yoshiho SEO, Seiji MURATA
-
Patent number: 11856323Abstract: Provided is a video display device wearable on the head of a user, wherein the video display device includes a video display unit capable of switching two or more display methods, a control unit for indicating a display method to the video display unit, a first detection unit for detecting the motion of the head of a user, a second detection unit for detecting the motion of the point of view of the user, and a motion determination unit for determining the motion state of the device user by using the output from the first detection unit and the output from the second detection unit. The control unit indicates a change of display methods to the video display unit in accordance with the determination result of the motion determination unit.Type: GrantFiled: August 21, 2019Date of Patent: December 26, 2023Assignee: MAXELL, LTD.Inventors: Takahiro Matsuda, Satoshi Ouchi, Yoshiho Seo, Seiji Murata
-
Patent number: 11317812Abstract: An optical scanning device includes: an optical scanning unit configured to repeatedly scan an irradiation destination of irradiation light to a predetermined trajectory; a light emission control unit configured to control light emission of the irradiation light to irradiate irradiation points to the predetermined trajectory; and a driving signal generation unit configured to generate a driving signal for driving the optical scanning unit, wherein the light emission control unit irradiates the irradiation points to the predetermined trajectory so that the irradiation points are substantially uniformly dispersed in a region in which a density of the irradiation points is relatively low in a region in which the irradiation light is irradiated.Type: GrantFiled: December 18, 2018Date of Patent: May 3, 2022Assignee: HITACHI, LTD.Inventors: Shinsuke Onoe, Takahiro Matsuda, Yoshiho Seo, Satoshi Ouchi, Tomohiko Tanaka, Taiichi Takezaki, Ryo Imai
-
Publication number: 20220066427Abstract: Example implementations described herein are directed to systems and methods for deploying function packages onto machines connected to an Internet of Things (IoT) network. The function packages can include updates for machine functions or sensor functions, and can be triggered for deployment while the factory floor is running. Through the example implementations described herein, appropriate function packages can be scheduled and deployed to corresponding machines or sensors in response to an event occurring on the factory floor.Type: ApplicationFiled: August 31, 2020Publication date: March 3, 2022Inventor: Yoshiho SEO
-
Patent number: 11240402Abstract: 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.Type: GrantFiled: January 12, 2018Date of Patent: February 1, 2022Assignee: Hitachi, Ltd.Inventors: Shinsuke Onoe, Toshiteru Nakamura, Kenichiro Yamada, Takahiro Matsuda, Yoshiho Seo
-
Patent number: 11212423Abstract: To propose an optical scanning method for a video device including an optical scanning unit in which one end of a light guide path has a protruding beam-shaped structure.Type: GrantFiled: June 1, 2018Date of Patent: December 28, 2021Assignee: Hitachi, Ltd.Inventors: Takahiro Matsuda, Yoshiho Seo, Satoshi Ouchi, Shinsuke Onoe
-
Patent number: 11143872Abstract: Both uniformity of brightness and uniformity of color of the outside world are seen via a waveguide. A video image is reflected by a partial reflection surface inside the waveguide that includes an incident surface on which video image light is incident, first and second internal reflection surfaces that propagate the video image light incident from the incident surface while totally reflecting the video image light, and are substantially parallel to each other. A plurality of partial reflection surfaces that reflect a part of the video image light propagating by being totally reflected by the first and second internal reflection surfaces, output the part of the video image light as output light from the first internal reflection surface to the outside of the waveguide, and transmit the part of the video image light being incident, and are disposed substantially parallel to each other inside the waveguide.Type: GrantFiled: September 11, 2018Date of Patent: October 12, 2021Assignee: HITACHI-LG DATA STORAGE, INC.Inventors: Ryuji Ukai, Tomoto Kawamura, Satoshi Ouchi, Yoshiho Seo, Seiji Murata
-
Publication number: 20210168264Abstract: To propose an optical scanning method for a video device including an optical scanning unit in which one end of a light guide path has a protruding beam-shaped structure.Type: ApplicationFiled: June 1, 2018Publication date: June 3, 2021Inventors: Takahiro MATSUDA, Yoshiho SEO, Satoshi OUCHI, Shinsuke ONOE
-
Patent number: 11016559Abstract: A terminal display device which a user wears on a user's head displays on a display unit an information object to be overlapped with a field of view of the user, detects a motion of the terminal display device, and stores a pattern of a motion of the terminal display device and an operation content of the information object that is displayed in association with each other. An information type management memory unit stores information related to a display mode of each of the information objects. A display control unit determines an operation content of the terminal display device based on the motion that is detected and an association between the motion pattern and the operation content, specifies the information object disposed at a predetermined position of the display unit, and performs an operation specified with the determined operation content on the specified information object.Type: GrantFiled: July 9, 2018Date of Patent: May 25, 2021Assignee: HITACHI-LG DATA STORAGE, INC.Inventors: Takayuki Fujiwara, Yoshihiro Machida, Yoshiho Seo, Tatsuya Ishitobi
-
Publication number: 20210041699Abstract: Both uniformity of brightness and uniformity of color of the outside world are seen via a waveguide. A video image is reflected by a partial reflection surface inside the waveguide that includes an incident surface on which video image light is incident, first and second internal reflection surfaces that propagate the video image light incident from the incident surface while totally reflecting the video image light, and are substantially parallel to each other. A plurality of partial reflection surfaces that reflect a part of the video image light propagating by being totally reflected by the first and second internal reflection surfaces, output the part of the video image light as output light from the first internal reflection surface to the outside of the waveguide, and transmit the part of the video image light being incident, and are disposed substantially parallel to each other inside the waveguide.Type: ApplicationFiled: September 11, 2018Publication date: February 11, 2021Inventors: Ryuji UKAI, Tomoto KAWAMURA, Satoshi OUCHI, Yoshiho SEO, Seiji MURATA
-
Patent number: 10845588Abstract: In an optical scanner 100, a vibration portion 101 includes first and third elements 3021 and 3023 that vibrate a light guide path 102 in a direction substantially perpendicular to an optical axis direction, and second and fourth elements 3022 and 3024 that vibrate the light guide path in a direction substantially perpendicular to a vibration direction thereof. A driving signal is applied to each of electrodes 3011 to 3014, each of which corresponds to one electrode of each of the first to fourth elements, and the other electrode 3015 is used as a common electrode having a floating potential. A driving signal generator 1007 generates a driving signal such that a median value of driving signals Vy1and Vy2 applied to the first and third elements and a median value of driving signals Vx1 and Vx2 applied to the second and fourth elements correspond to substantially the same value.Type: GrantFiled: December 13, 2018Date of Patent: November 24, 2020Assignee: HITACHI, LTD.Inventors: Takahiro Matsuda, Yoshiho Seo, Satoshi Ouchi, Shinsuke Onoe
-
Patent number: 10839732Abstract: The video display device includes a laser light source unit, a video processing unit that outputs a video gradation signal, a current gain signal, and a current offset signal, a laser driver that outputs the drive current based on the video gradation signal, the power supply gain signal, and the current offset signal, and a dimming level processing unit that divides a dimming level for designating brightness of a video into a plurality of dimming modes and divides the dimming level into in-mode levels within the divided dimming modes, wherein the video processing unit includes a video gradation value output unit that outputs the video gradation signal obtained by scaling and offsetting a gradation value of the video based on the dimming mode and the in-mode level, a current gain output unit that outputs the current gain signal depending on the dimming mode.Type: GrantFiled: July 4, 2017Date of Patent: November 17, 2020Assignee: HITACHI-LG DATA STORAGE, INC.Inventors: Ryuji Ukai, Yoshiho Seo, Yuya Ogi
-
Patent number: 10771772Abstract: According to the present invention, in an image display device that displays two images in parallel, a peak current for light source driving and continuation of a peak current are suppressed without reducing luminance of a display image. An image display device includes a light source unit, two panel units, and a timing control unit. A period of one frame of an image displayed by each panel unit has a standby period in which the panel unit is not illuminated by the light source unit for image generation and a lighting period in which the panel unit is illuminated by the light source unit. The timing control unit controls an operation timing such that the periods of one frame of the images displayed by the respective panel units overlap, and frame start times of the periods are shifted from each other by a predetermined delay time.Type: GrantFiled: August 9, 2018Date of Patent: September 8, 2020Assignee: HITACHI-LG DATA STORAGE, INC.Inventors: Ryuji Ukai, Yoshiho Seo
-
Publication number: 20200202759Abstract: The video display device includes a laser light source unit, a video processing unit that outputs a video gradation signal, a current gain signal, and a current offset signal, a laser driver that outputs the drive current based on the video gradation signal, the power supply gain signal, and the current offset signal, and a dimming level processing unit that divides a dimming level for designating brightness of a video into a plurality of dimming modes and divides the dimming level into in-mode levels within the divided dimming modes, wherein the video processing unit includes a video gradation value output unit that outputs the video gradation signal obtained by scaling and offsetting a gradation value of the video based on the dimming mode and the in-mode level, a current gain output unit that outputs the current gain signal depending on the dimming mode.Type: ApplicationFiled: July 4, 2017Publication date: June 25, 2020Inventors: Ryuji UKAI, Yoshiho SEO, Yuya OGI
-
Patent number: 10656424Abstract: In a wearable information display terminal, information related to an object is displayed at a timing required by a user in an easily recognized form. Photography is performed in a field-of-vision direction, a first object is detected from a first image obtained by the photography, relevant information related to the first object is acquired from a network, and a second image related to the relevant information is generated. A second object different from the first object is detected from the first image, the second object is used as a display trigger, and the second image is displayed when the second object is close to the first object.Type: GrantFiled: July 11, 2019Date of Patent: May 19, 2020Assignee: MAXELL, LTD.Inventors: Susumu Yoshida, Satoshi Ouchi, Yukinobu Tada, Tadashi Kuwabara, Yoshiho Seo
-
Patent number: 10619813Abstract: A solid state light source device includes N (an integer of two or more) sets of solid state light source assemblies having a plurality of solid state light source cells arranged in a matrix pattern a multiple lens block including N incidence faces facing the N sets of solid state light source assemblies and causing light emitted from the solid state light source cells to be incident through multiple lens cells of a matrix pattern and one emission face composing the light incident from the N incidence faces and a dichroic filter that is obliquely arranged on the incidence faces inside the multiple lens block and selectively reflects or transmits incident light based on the incident light wavelength. Light distribution characteristics and color temperature of light exiting the emission face of the multiple lens block are controlled by a ratio of power supplied to the solid state light source cells.Type: GrantFiled: July 19, 2018Date of Patent: April 14, 2020Assignee: MAXELL, LTD.Inventors: Koji Hirata, Yuki Nagano, Shoji Yamamoto, Yoshiho Seo
-
Publication number: 20190379860Abstract: Provided is a video display device wearable on the head of a user, wherein the video display device includes a video display unit capable of switching two or more display methods, a control unit for indicating a display method to the video display unit, a first detection unit for detecting the motion of the head of a user, a second detection unit for detecting the motion of the point of view of the user, and a motion determination unit for determining the motion state of the device user by using the output from the first detection unit and the output from the second detection unit. The control unit indicates a change of display methods to the video display unit in accordance with the determination result of the motion determination unit.Type: ApplicationFiled: August 21, 2019Publication date: December 12, 2019Inventors: Takahiro MATSUDA, Satoshi OUCHI, Yoshiho SEO, Seiji MURATA
-
Patent number: 10466490Abstract: A video projection device 001 includes a video generation section 041 that has a micro display element 003 which generates video and an illuminating optical system 002 which illuminates a micro display element; projection section 043 that project the video which is generated by the video generation section onto the eyes of a user through an eyepiece section; and a mechanical support section 042 that connects the video generation section to the projection section using a housing section. The mechanical support section includes at least one transparent area 011 that is surrounded by the housing section, and penetrates in a direction parallel to a direction in which the video from the projection section is projected. The illuminating optical system includes a light source that emits light in a plurality of wavelength bands, and a controller 440 that controls the output of the light source.Type: GrantFiled: August 4, 2015Date of Patent: November 5, 2019Assignee: Hitachi-LG Data Storage, Inc.Inventors: Tomoto Kawamura, Toshiteru Nakamura, Yoshiho Seo, Satoshi Ouchi, Hidenao Saito, Yoshio Okamoto, Kenji Kiya
-
Publication number: 20190331927Abstract: In a wearable information display terminal, information related to an object is displayed at a timing required by a user in an easily recognized form. Photography is performed in a field-of-vision direction, a first object is detected from a first image obtained by the photography, relevant information related to the first object is acquired from a network, and a second image related to the relevant information is generated. A second object different from the first object is detected from the first image, the second object is used as a display trigger, and the second image is displayed when the second object is close to the first object.Type: ApplicationFiled: July 11, 2019Publication date: October 31, 2019Inventors: Susumu YOSHIDA, Satoshi OUCHI, Yukinobu TADA, Tadashi KUWABARA, Yoshiho SEO
-
Patent number: 10445577Abstract: An information display terminal includes an arithmetic unit performing a process that selects a predetermined type of communication unit among a plurality of types of communication units on the basis of, for example, information related to first objects recognized from a captured image, which is stored in advance, and acquires the related information from a predetermined device on the Internet through the communication unit and a process that, when the presence of a second object or a predetermined positional relationship between the first objects and the second object is specified in the captured image, displays the related information of the first objects in a viewing direction, using a display unit.Type: GrantFiled: April 8, 2014Date of Patent: October 15, 2019Assignee: Maxell, Ltd.Inventors: Satoshi Ouchi, Yoshiho Seo, Yuya Ogi, Tomoto Kawamura, Toshiteru Nakamura