Patents by Inventor Hiroshi Mukawa
Hiroshi Mukawa 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).
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Publication number: 20230393326Abstract: There is provided an image display device capable of preventing an unnecessary image from entering the fields of view of an observer and a viewer of the observer. An image display device according to the present technology includes a light projection system that projects image light, and a light guide system that includes a light guide plate having a reflection surface inside, the light guide plate guiding the image light from the light projection system to an eyeball, in which the light guide plate includes a light guide plate main body, and a gas layer provided in the light guide plate main body, and the reflection surface is an interface between the light guide plate main body and the gas layer. With the image display device according to the present technology, it is possible to suppress an unnecessary image from entering the fields of view of an observer and a viewer of the observer.Type: ApplicationFiled: September 15, 2021Publication date: December 7, 2023Inventors: KAZUMA AIKI, SATOSHI IMAI, HIROSHI MUKAWA
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Publication number: 20220390751Abstract: There are provided: a display unit that is allowed to converge light forming a display image in a pupil of an eyeball and project the light on a retina and that has translucency; and a moving unit that is allowed to move the display unit in triaxial directions of an eye relief direction and two axial directions, the eye relief direction being a direction of a distance between the eyeball and the display unit, the two axial directions constituting a plane perpendicular to the eye relief direction. The moving unit includes a biaxial moving mechanism that is allowed to move the display unit in accordance with a position of the pupil of the eyeball in two axial directions, which are not parallel to each other, constituting a plane perpendicular to the eye relief direction. The moving unit includes an eye relief direction moving mechanism that is allowed to move the display unit in the eye relief direction.Type: ApplicationFiled: October 6, 2020Publication date: December 8, 2022Applicant: SONY GROUP CORPORATIONInventors: Takaaki YOSHIDA, Hiroshi MUKAWA
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Patent number: 11150478Abstract: There is provided an image display device including (A) an image forming device, (B) an optical device configured to receive incident light output from the image forming device and output the incident light, and (C) a light receiving device configured to detect the light output from the image forming device.Type: GrantFiled: December 4, 2019Date of Patent: October 19, 2021Assignee: Sony CorporationInventor: Hiroshi Mukawa
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Patent number: 10642040Abstract: A display apparatus includes a frame, an image display device, and a dimming device. The frame is mounted onto a head of an observer. The image display device is attached to the frame. The dimming device is configured to adjust the amount of outside light that comes from the outside. Light transmittance of a partial area of the dimming device is changed based on a signal for displaying an image on the image display device.Type: GrantFiled: March 6, 2015Date of Patent: May 5, 2020Assignee: Sony CorporationInventor: Hiroshi Mukawa
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Publication number: 20200103660Abstract: There is provided an image display device including (A) an image forming device, (B) an optical device configured to receive incident light output from the image forming device and output the incident light, and (C) a light receiving device configured to detect the light output from the image forming device.Type: ApplicationFiled: December 4, 2019Publication date: April 2, 2020Applicant: Sony CorporationInventor: Hiroshi Mukawa
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Patent number: 10585289Abstract: Disclosed herein is A head mounted display including: (A) an eyeglasses frame-like frame to be mounted to an observer's head; (B) an image display device; (C) an image sensing device mounted to the frame; and (D) a correction section, wherein the image display device includes (B-1) an image generating device, and (B-2) see-through type light guide section which is mounted to the image generating device, on which beams emitted from the image generating device are incident, through which the beams are guided, and from which the beams are emitted toward an observer's pupil.Type: GrantFiled: January 8, 2019Date of Patent: March 10, 2020Assignee: Sony CorporationInventors: Akihiro Komori, Hiroshi Mukawa
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Patent number: 10540822Abstract: A head-mounted display device including an image display apparatus configured to display a captured image of a portion of an environment viewable through the head-mounted display device; and a dimmer configured to, while the captured image is displayed, allow a portion of ambient light from the environment to pass through the dimmer. Also, a method of displaying information on a head-mounted display device. The method may include displaying a captured image of a portion of an environment viewable through the display device; and dimming ambient light received through the head-mounted display device from the environment while displaying the captured image.Type: GrantFiled: March 19, 2018Date of Patent: January 21, 2020Assignee: Sony CorporationInventor: Hiroshi Mukawa
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Patent number: 10539793Abstract: There is provided an image display device including (A) an image forming device, (B) an optical device configured to receive incident light output from the image forming device and output the incident light, and (C) a light receiving device configured to detect the light output from the image forming device.Type: GrantFiled: February 3, 2015Date of Patent: January 21, 2020Assignee: Sony CorporationInventor: Hiroshi Mukawa
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Publication number: 20200012031Abstract: An image display device includes an image forming device, collimating optical system, and optical device, with the optical device including a light guide plate, first diffraction grating member and second diffraction grating member which are made up of a volume hologram diffraction grating, and with central light emitted from the pixel of the center of the image forming device and passed through the center of the collimating optical system being input to the light guide plate from the near side of the second diffraction grating member with a certain angle. Thus, the image display device capable of preventing occurrence of color irregularities, despite the simple configuration, can be provided.Type: ApplicationFiled: September 18, 2019Publication date: January 9, 2020Inventor: Hiroshi Mukawa
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Patent number: 10477174Abstract: An image display device includes an image forming unit, an optical unit, a temperature measuring unit, and a control unit. The optical unit is configured to input and output light that is output from the image forming unit. The temperature measuring unit is configured to measure a temperature of the image forming unit. The control unit is configured to control an operation of the image forming unit based on a result of a temperature measurement by the temperature measuring unit.Type: GrantFiled: February 3, 2015Date of Patent: November 12, 2019Assignee: Sony CorporationInventor: Hiroshi Mukawa
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Patent number: 10459140Abstract: An image display device includes an image forming device, collimating optical system, and optical device, with the optical device including a light guide plate, first diffraction grating member and second diffraction grating member which are made up of a volume hologram diffraction grating, and with central light emitted from the pixel of the center of the image forming device and passed through the center of the collimating optical system being input to the light guide plate from the near side of the second diffraction grating member with a certain angle. Thus, the image display device capable of preventing occurrence of color irregularities, despite the simple configuration, can be provided.Type: GrantFiled: March 25, 2014Date of Patent: October 29, 2019Assignee: SONY CORPORATIONInventor: Hiroshi Mukawa
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Patent number: 10318028Abstract: According to the present disclosure, there is provided a control device including a detection unit configured to detect, as a manipulation region, at least a part of a substantial object present at a position at which a user is estimated to be able to perform a manipulation, a function setting unit configured to perform setting in a manner that a predetermined function matches the manipulation region detected by the detection unit, and a control unit configured to perform the function matched with the manipulation region based on a positional relation between the manipulation region and a manipulator.Type: GrantFiled: September 8, 2017Date of Patent: June 11, 2019Assignee: SONY CORPORATIONInventors: Yoichiro Sako, Seiji Wada, Hiroaki Ogawa, Hiroshi Mukawa, Tatsuya Narahara, Motoyuki Takai, Yasushi Miyajima, Ikuo Tsukagoshi, Kohei Asada, Kazuyuki Sakoda, Masashi Takeda, Akira Tange, Kazuhide Kemmochi, Ichigo Hayakawa, Takao Tanikame
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Publication number: 20190146224Abstract: Disclosed herein is A head mounted display including: (A) an eyeglasses frame-like frame to be mounted to an observer's head; (B) an image display device; (C) an image sensing device mounted to the frame; and (D) a correction section, wherein the image display device includes (B-1) an image generating device, and (B-2) see-through type light guide section which is mounted to the image generating device, on which beams emitted from the image generating device are incident, through which the beams are guided, and from which the beams are emitted toward an observer's pupil.Type: ApplicationFiled: January 8, 2019Publication date: May 16, 2019Applicant: Sony CorporationInventors: Akihiro Komori, Hiroshi Mukawa
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Patent number: 10228895Abstract: An image display device which is used by being mounted on the head or face of a user includes a display unit which displays an image; an information maintaining unit which maintains user information of the user; a region specifying unit which specifies an attention region from a field of vision of the user based on the user information; an image processing unit which performs image processing with respect to the attention region; and a display control unit which displays the attention region after being subjected to the image processing on the display unit.Type: GrantFiled: October 30, 2013Date of Patent: March 12, 2019Assignee: Sony CorporationInventors: Yasushi Miyajima, Yoichiro Sako, Motoyuki Takai, Hiroshi Mukawa, Tatsuya Narahara, Masashi Takeda, Hiroaki Ogawa, Seiji Wada, Ichigo Hayakawa, Akira Tange, Takao Tanikame, Kazuhide Kemmochi
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Patent number: 10203501Abstract: Disclosed herein is A head mounted display including: (A) an eyeglasses frame-like frame to be mounted to an observer's head; (B) an image display device; (C) an image sensing device mounted to the frame; and (D) a correction section, wherein the image display device includes (B-1) an image generating device, and (B-2) see-through type light guide section which is mounted to the image generating device, on which beams emitted from the image generating device are incident, through which the beams are guided, and from which the beams are emitted toward an observer's pupil.Type: GrantFiled: October 8, 2015Date of Patent: February 12, 2019Assignee: Sony CorporationInventors: Akihiro Komori, Hiroshi Mukawa
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Patent number: 10180574Abstract: An image display apparatus includes an image forming device, a collimating optical system, and an optical device. The optical device includes a light guide plate, a first deflecting member that deflects light incident on the light guide plate, and a second deflecting member that deflects the light, which propagates in the light guide plate by total reflection, a plurality of times. The first and second deflecting members are provided in the light guide plate. Light having one wavelength emitted from at least one pixel satisfies the following condition: 2t·sin ??2?WY?2t·sin ?+2 where an axial direction of the light guide plate is the Y-direction, WY prepresents the width in the Y-direction of the light incident on the light guide plate, t represents the thickness of the light guide plate, and ? represents the total reflection angle.Type: GrantFiled: June 15, 2016Date of Patent: January 15, 2019Assignee: Sony CorporationInventor: Hiroshi Mukawa
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Patent number: 10054795Abstract: An image display apparatus includes: an image forming device; an optical system converting light emitted from the image forming device into parallel light; and an optical device to which the light beams converted into the parallel light by the optical system enter, in which the light beams are guided, and from which the light beams are emitted, wherein a central light beam emitted from the center of the image forming device, passing through the nodal point of the optical system and entering the optical device at an optical device center point intersects an XY plane defined by an X axis that passes through the optical device center point, and is parallel to the axis direction of the optical device and a Y axis that passes through the optical device center point, and coincides with the normal axis of the optical device at angles other than 0 degree.Type: GrantFiled: July 28, 2016Date of Patent: August 21, 2018Assignee: Sony CorporationInventor: Hiroshi Mukawa
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Publication number: 20180211449Abstract: A head-mounted display device including an image display apparatus configured to display a captured image of a portion of an environment viewable through the head-mounted display device; and a dimmer configured to, while the captured image is displayed, allow a portion of ambient light from the environment to pass through the dimmer. Also, a method of displaying information on a head-mounted display device. The method may include displaying a captured image of a portion of an environment viewable through the display device; and dimming ambient light received through the head-mounted display device from the environment while displaying the captured image.Type: ApplicationFiled: March 19, 2018Publication date: July 26, 2018Applicant: Sony CorporationInventor: Hiroshi Mukawa
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Patent number: 10025100Abstract: An optical device includes: a light guide plate receiving, for each of N types of wavelength bands, a plurality of parallel light beams with different incident angles each corresponding to view angles, and guiding the received parallel light beams; a first and a second volume hologram gratings of reflection type having a diffraction configuration which includes N types of interference fringes each corresponding to the N types of wavelength bands, and diffracting/reflecting the parallel light beams. The optical device satisfies for each wavelength band, a relationship of ‘P>L’, where ‘L’ represents a central diffraction wavelength in the first and second volume hologram gratings, defined for a parallel light beam corresponding to a central view angle, and ‘P’ represents a peak wavelength of the parallel light beams.Type: GrantFiled: June 23, 2016Date of Patent: July 17, 2018Assignee: Sony CorporationInventors: Katsuyuki Akutsu, Satoshi Nakano, Hiroshi Mukawa
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Patent number: 9972135Abstract: A head-mounted display device including an image display apparatus configured to display a captured image of a portion of an environment viewable through the head-mounted display device; and a dimmer configured to, while the captured image is displayed, allow a portion of ambient light from the environment to pass through the dimmer. Also, a method of displaying information on a head-mounted display device. The method may include displaying a captured image of a portion of an environment viewable through the display device; and dimming ambient light received through the head-mounted display device from the environment while displaying the captured image.Type: GrantFiled: November 16, 2016Date of Patent: May 15, 2018Assignee: Sony CorporationInventor: Hiroshi Mukawa