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).

  • Publication number: 20160170215
    Abstract: An image display device with an image display element; an optical system; an optical waveguide having a light incident port at a first portion of the optical waveguide and a light outgoing port at a second portion of the optical waveguide, the optical waveguide configured to (a) receive light from the image display element via the optical system and (b) output the light via the light outgoing port; a light shielding element; a first element that deflects light received through the first portion of the optical waveguide; and a second element that deflects light conveyed in the optical waveguide to output the light through the second portion of the optical waveguide, wherein, the first portion and the second portion are at different positions along the optical waveguide, and the first element is between the light incident port of the optical waveguide and the light shielding element.
    Type: Application
    Filed: February 24, 2016
    Publication date: June 16, 2016
    Inventors: Hiroshi Mukawa, Katsuyuki Akutsu
  • Patent number: 9335550
    Abstract: A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume hologram grating to diffract and reflect the parallel pencil groups incident upon the optical waveguide from outside and traveling in different directions as they are so as to meet the condition of internal total reflection inside the optical waveguide and a second reflection volume hologram grating to project the parallel pencil groups guided by internal total reflection inside the optical waveguide as they are from the optical waveguide by diffraction and reflection thereof so as to depart from the condition of internal total reflection inside the optical waveguide.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: May 10, 2016
    Assignee: SONY CORPORATION
    Inventors: Hiroshi Mukawa, Katsuyuki Akutsu
  • Publication number: 20160025985
    Abstract: 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: Application
    Filed: October 8, 2015
    Publication date: January 28, 2016
    Inventors: Akihiro Komori, Hiroshi Mukawa
  • Publication number: 20150355467
    Abstract: A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume hologram grating to diffract and reflect the parallel pencil groups incident upon the optical waveguide from outside and traveling in different directions as they are so as to meet the condition of internal total reflection inside the optical waveguide and a second reflection volume hologram grating to project the parallel pencil groups guided by internal total reflection inside the optical waveguide as they are from the optical waveguide by diffraction and reflection thereof so as to depart from the condition of internal total reflection inside the optical waveguide.
    Type: Application
    Filed: August 14, 2015
    Publication date: December 10, 2015
    Inventors: Hiroshi Mukawa, Katsuyuki Akutsu
  • Publication number: 20150338660
    Abstract: An image display apparatus 100 includes: (A) an image generating device 111 including a light source 160 and a transmissive spatial light modulating device 150 formed with pixels 152 arranged in a two-dimensional matrix; and (B) a light guiding unit 120 that guides light from the image generating device 111, and emits the light toward an eye 21 of a viewer 20, wherein the transmissive spatial light modulating device 150 includes, on a light emitting side thereof, a microlens array 170 including a microlens corresponding to each pixel, and when an incident solid angle of light entering a pixel from the light source 160 is assumed to be ?in, and an emitting solid angle of light that passes through the pixel and is emitted from the microlens corresponding to the pixel is assumed to be ?out, ?out>?in is satisfied.
    Type: Application
    Filed: November 5, 2013
    Publication date: November 26, 2015
    Applicant: SONY CORPORATION
    Inventor: Hiroshi Mukawa
  • Patent number: 9189829
    Abstract: 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: Grant
    Filed: January 20, 2014
    Date of Patent: November 17, 2015
    Assignee: SONY CORPORATION
    Inventors: Akihiro Komori, Hiroshi Mukawa
  • Patent number: 9176265
    Abstract: A virtual image display device with an optical waveguide to guide, by internal total reflection, parallel pencil groups meeting a condition of internal total reflection, a first reflection volume hologram grating to diffract and reflect the parallel pencil groups incident upon the optical waveguide from outside and traveling in different directions as they are so as to meet the condition of internal total reflection inside the optical waveguide and a second reflection volume hologram grating to project the parallel pencil groups guided by internal total reflection inside the optical waveguide as they are from the optical waveguide by diffraction and reflection thereof so as to depart from the condition of internal total reflection inside the optical waveguide.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: November 3, 2015
    Assignee: SONY CORORATION
    Inventors: Hiroshi Mukawa, Katsuyuki Akutsu
  • Publication number: 20150260995
    Abstract: 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: Application
    Filed: March 6, 2015
    Publication date: September 17, 2015
    Applicant: Sony Corporation
    Inventor: Hiroshi Mukawa
  • Publication number: 20150253573
    Abstract: Provided is an image display device used by being mounted to a head or a face of a user, including a first display unit that displays an internal image seen from a side of the user, a second display unit that displays an external image seen from outside the image display device, and a control unit that controls display of the internal image and the external image.
    Type: Application
    Filed: July 1, 2013
    Publication date: September 10, 2015
    Applicant: SONY CORPORATION
    Inventors: Yoichiro Sako, Yasushi Miyajima, Hiroshi Mukawa, Tatsuya Narahara, Motoyuki Takai, Masashi Takeda, Hiroaki Ogawa, Seiji Wada, Ichigo Hayakawa, Akira Tange, Takao Tanikame, Kazuhide Kemmochi
  • Publication number: 20150229897
    Abstract: 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: Application
    Filed: February 3, 2015
    Publication date: August 13, 2015
    Applicant: Sony Corporation
    Inventor: Hiroshi Mukawa
  • Publication number: 20150227222
    Abstract: 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: Application
    Filed: July 9, 2013
    Publication date: August 13, 2015
    Inventors: 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
  • Publication number: 20150226970
    Abstract: 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: Application
    Filed: February 3, 2015
    Publication date: August 13, 2015
    Applicant: Sony Corporation
    Inventor: Hiroshi Mukawa
  • Publication number: 20150219897
    Abstract: There is provided an image display device used by being mounted to a head or a face of a user, the image display device including a display device configured to display an image, a waveguide configured to guide the image to each of a location seen from a side of the user and a location seen from an outside of the image display device, and a control unit configured to control display of an internal image and an external image, the internal image being seen from the side of the user, the external image being seen from the outside.
    Type: Application
    Filed: July 1, 2013
    Publication date: August 6, 2015
    Applicant: SONY CORPORATION
    Inventors: Hiroshi Mukawa, Yoichiro Sako, Yasushi Miyajima, Motoyuki Takai, Tatsuya Narahara, Seiji Wada, Hiroaki Ogawa, Akira Tange, Kazuhide Kemmochi, Takao Tanikame, Ichigo Hayakawa, Masashi Takeda
  • Publication number: 20150213573
    Abstract: Provided is an image display device connected to an information communication terminal capable of transmitting and receiving image data, the image display device including a display unit that displays an image, an optical system that optically processes an image output from the display unit, or a sensor that detects information related to the image display device or a user of the image display device, a property information storage unit that stores property information related to the display unit, the optical system, or the sensor, and a control unit that includes a transmitting unit that transmits the property information to the information communication terminal and a receiving unit that receives information or an image processed on the basis of the property information on the information communication terminal side, and causes the display unit to display the processed image.
    Type: Application
    Filed: August 2, 2013
    Publication date: July 30, 2015
    Inventor: Hiroshi Mukawa
  • Patent number: 9075232
    Abstract: An image display apparatus is provided. The image display apparatus including an image forming device; an optical device on which a light is incident from the image forming device, in which the light is guided, and from which the light is emitted, wherein the optical device includes a light guide plate, a reflecting element, and a half mirror, wherein the following condition is satisfied: 2t·tan ??2?L?2t·tan ?+2 where an axial direction of the light guide plate is the Y-direction, a normal direction of the light guide plate is the X-direction, L (unit: mm) represents an effective length of the reflecting element in the Y-direction, t represents the thickness of the light guide plate, and ? represents the incident angle of the light, which is totally reflected in the light guide plate, on an inner surface of the light guide plate.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: July 7, 2015
    Assignee: SONY CORPORATION
    Inventor: Hiroshi Mukawa
  • Publication number: 20150109679
    Abstract: A display that includes a frame to be worn on a head of an observer, two image creation devices, two light guides to guide light beams output from the image creation devices and to output the light beams toward pupils of the observer, and an optical plate attached to a center part of the frame and attached to a periphery part of the light guides via an adhesive. The center part of the frame is thicker than an outside part of the frame.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 23, 2015
    Applicant: Sony Corporation
    Inventors: Hiroshi Mukawa, Atsushi Kagawa, Satoshi Nakano, Keita Hibi, Yohei Fukuma, Tomoaki Takuma
  • Publication number: 20150109678
    Abstract: 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 represents 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: Application
    Filed: December 2, 2014
    Publication date: April 23, 2015
    Inventor: Hiroshi MUKAWA
  • Patent number: 8988315
    Abstract: There is provided a head mounted display including a glasses-type frame to be worn on a head of an observer; two optical modules including two image creation devices, and two light guides having two light guide plates coupled one-to-one with the two image creation devices and placed closer to a center of a face of the observer than the image creation devices are as a whole, that guide light beams output from the image creation devices and output the light beams toward pupils of the observer; and an optical plate supporting the two light guides, wherein the optical plate is attached to a center part of the frame.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: March 24, 2015
    Assignee: Sony Corporation
    Inventors: Hiroshi Mukawa, Atsushi Kagawa, Satoshi Nakano, Keita Hibi, Yohei Fukuma, Tomoaki Takuma
  • Publication number: 20150070772
    Abstract: 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: Application
    Filed: November 12, 2014
    Publication date: March 12, 2015
    Inventor: Hiroshi Mukawa
  • Patent number: 8964300
    Abstract: An image display apparatus includes: (A) an image forming device; (B) an optical system that converts light emitted from the image forming device into parallel light; (C) 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; and (D) a supporting member that pivotally supports at least the image forming device with respect to the optical device. An assembly of at least the image forming device and the supporting member has a center of gravity at a position apart from the pivoting central axis of the supporting member. At least the image forming device is pivoted with respect to the optical device by gravity. As a result, the image forming device is horizontally held even when the optical device moves.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: February 24, 2015
    Assignee: Sony Corporation
    Inventor: Hiroshi Mukawa