Patents by Inventor Yoichi Iba

Yoichi Iba 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).

  • Patent number: 9804390
    Abstract: A first light blocking portion and a second light blocking portion are formed in at least one of the side surfaces of a light guide prism. The first light blocking portion and the second light blocking portion are arranged so that a shaded area and an invisible area overlap each other at least partly and cover an inter-groove area between the first light blocking portion and the second light blocking portion, where the shaded area is an area shadowed from image light due to the first light blocking portion, and the invisible area is an area invisible during virtual image observation by the observer due to the second light blocking portion.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: October 31, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Ryohei Sugihara, Shinya Takahashi, Yoichi Iba
  • Publication number: 20170227772
    Abstract: An attachable image display device includes a light guiding prism that guides image light from a display element, and an eyepiece that emits the image light guided by the light guiding prism, wherein the light guiding prism includes an outer peripheral surface, and a reflection surface off which the image light is reflected to the eyepiece; and a portion of or the entirety of an intersection line of the outer peripheral surface and a plane including an optical axis of the image light before the image light is reflected off the reflection surface has a negative inclination angle to the optical axis in a direction downstream of the light path, and a tangential inclination angle of the portion of or the entirety of the intersection line becomes gradually larger from an upstream side to a downstream side of the light path.
    Type: Application
    Filed: December 20, 2016
    Publication date: August 10, 2017
    Applicant: Kopin Corporation
    Inventors: Hideki Tomine, Yoichi Iba
  • Publication number: 20170227780
    Abstract: A support member for a wearable device includes first and second contact portions coming into contact with a temporal region of a head, a frame portion interposed along a frontal region of the head between the first and second contact portions, and first and second connection portions respectively connecting the first and second contact portions and the frame portion to each other. In a top view, in the first connection portion, a first extension portion extending from the first contact portion and a first frame extension portion are branched ahead of an ear from the frame portion, and in the second connection portion, a second extension portion extending from the second contact portion and a second frame extension portion are branched ahead of the other ear from the frame portion. At least one of the first and second frame extension portions includes a support portion supporting a wearable device.
    Type: Application
    Filed: April 24, 2017
    Publication date: August 10, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Seiji TATSUTA, Teruo TOMITA, Yoichi IBA
  • Publication number: 20170176754
    Abstract: An ocular optical system includes a light guiding prism that guides image light from a display element and an emission portion that emits the image light guided by the light guiding prism. The light guiding prism includes a plurality of sides arranged to surround a light path of the image light, and a reflection surface off which the image light is reflected to the emission portion. The plurality of sides include a first side that is arranged on an opposite side of a first plane including first and second optical axes and that is situated between the emission portion and the reflection surface, wherein the first optical axis is a portion of the image light before the image light is reflected off the reflection surface, and the second optical axis is a portion of the image light after the image light is reflected off the reflection surface.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 22, 2017
    Applicant: KOPIN CORPORATION
    Inventors: Hideki Tomine, Yoichi Iba
  • Publication number: 20160334626
    Abstract: An eyepiece optical member has an easy-to-clean interior, and a head-mounted display device is provided with the eyepiece optical member. The eyepiece optical member includes a housing with a built-in display element, a light guide prism in which image light from the display element enters through an entrance surface and is guided to exit from an exit surface towards an eyeball of an observer so as to be observed as a magnified virtual image, and a protective member formed separately from the housing and covering a portion of the light guide prism. The housing includes two opposing plate-like portions, the light guide prism is fixed to the protective member as an assembled member, and the assembled member is sandwiched between the two opposing plate-like portions. The head-mounted display device includes a support member for fixation to a wearer's head and includes the eyepiece optical member attached to the support member.
    Type: Application
    Filed: July 27, 2016
    Publication date: November 17, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Ryohei SUGIHARA, Yoichi IBA
  • Publication number: 20160334625
    Abstract: The head-mounted display device includes a display element, a light guide prism that, in a state of use, guides a regular image light beam from the display element to an exit surface in front of the user's eye, and a support that secures the display element and the light guide prism with respect to the user's head. On at least one side along the optical axis of the regular image light beam, the light guide prism includes at least one first-type inclined surface at a position outside of the region through which the regular image light beam from the display element passes, and the first-type inclined surface is formed to be inclined so as to cause light incident on the first-type inclined surface from a direction along the optical axis of the regular image light beam to be reflected and emitted to the outside of the user's eyeball.
    Type: Application
    Filed: July 26, 2016
    Publication date: November 17, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Yoichi IBA, Ryohei SUGIHARA
  • Publication number: 20150260988
    Abstract: A first light blocking portion and a second light blocking portion are formed in at least one of the side surfaces of a light guide prism. The first light blocking portion and the second light blocking portion are arranged so that a shaded area and an invisible area overlap each other at least partly and cover an inter-groove area between the first light blocking portion and the second light blocking portion, where the shaded area is an area shadowed from image light due to the first light blocking portion, and the invisible area is an area invisible during virtual image observation by the observer due to the second light blocking portion.
    Type: Application
    Filed: March 10, 2015
    Publication date: September 17, 2015
    Applicant: OLYMPUS CORPORATION
    Inventors: Ryohei SUGIHARA, Shinya TAKAHASHI, Yoichi IBA
  • Publication number: 20150253576
    Abstract: A head-mounted display device is provided, the head-mounted display device including: a display element; a light guide prism that includes an incident surface through which image light from the display element enters and that guides the image light to user's eyes; and a housing that contains the display element and the light guide prism; and support unit that fixes the housing to user's head. The light guide prism is partially covered by and contained in the housing. A portion of side surface of the light guide prism covered by the housing is formed with a first groove, and portion of side surface of the light guide prism exposed outside the housing is formed with a second groove. Depth of the first groove measured from the side surface is greater than that of the second groove.
    Type: Application
    Filed: March 10, 2015
    Publication date: September 10, 2015
    Applicant: OLYMPUS CORPORATION
    Inventors: Ryohei SUGIHARA, Shinya TAKAHASHI, Yoichi IBA
  • Patent number: 9091847
    Abstract: Provided is a head-mounted image display device, including: a main body for emitting an image light beam; an eyepiece optical portion having a light-guide portion in a polyhedral shape, the eyepiece optical portion allowing the image light beam emitted from the main body to be incident on one surface of the light-guide portion and causing the image light beam incident on the one surface of the light-guide portion and emitted from another surface on the same side as the one surface or on the different side from the one surface; an attaching portion for connecting the main body and the eyepiece optical portion, in which the attaching portion has a movement mechanism for moving the eyepiece optical portion relative to the main body so as to adjust the position of an exit pupil of the eyepiece optical portion.
    Type: Grant
    Filed: March 10, 2013
    Date of Patent: July 28, 2015
    Assignee: OLYMPUS CORPORATION
    Inventors: Ryohei Sugihara, Yoichi Iba, Seiji Tatsuta
  • Patent number: 8994611
    Abstract: A head-mounted type display device includes: a spectacle frame for fixture to a user's head; a body unit 2 fixed to the spectacle frame and having an image output unit from which image output unit image light of an image to be displayed is output; an eyepiece optical unit 3 for allowing image light output from the image output unit to be incident on the eyepiece optical unit, for guiding the incident image light to the corresponding eyeball 11 of the user with the spectacle frame being mounted on the user's head, and for displaying, as a virtual image, a magnified version of the image from the image output unit within a user's visual field; and an attachment means 4 for attaching the eyepiece optical unit 3 to the body unit in a replaceable manner.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: March 31, 2015
    Assignee: Olympus Corporation
    Inventors: Ryohei Sugihara, Seiji Tatsuta, Yoichi Iba
  • Patent number: 8777406
    Abstract: Provided is a device-mounting support member (100) for mounting a wearable device (W) onto an eyeglass frame, including: an eyeglass attachment portion (101) having a first pressing portion (101a) to be pressed against a temple portion (T) of the eyeglass frame; a support frame portion (102) to be attached with the wearable device (W) which extends from the eyeglass attachment portion (101) substantially parallel to the temple portion (T); and a head abutment portion (103) which is coupled to the support frame portion (102) and to be abutted to a head of a wearer, in which: the support frame portion (102) is arranged on the outside of the temple portion (T); the head abutment portion (103) is arranged on the inside of the temple portion (T); and the support frame portion (102) and the head abutment portion (103) are coupled to each other via a support bridge portion (104).
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: July 15, 2014
    Assignee: Olympus Corporation
    Inventors: Ryohei Sugihara, Seiji Tatsuta, Yoichi Iba
  • Patent number: 8451194
    Abstract: An information processing system includes a media information acquisition section that acquires media information, a media information storage section that stores the media information acquired by the media information acquisition section, a usualness level evaluation section that evaluates a usualness level of a user based on information that includes sensor information from at least one of a behavior sensor that measures a behavior of the user, a condition sensor that measures a condition of the user, and an environment sensor that measures an environment of the user, and a write section that writes the usualness level of the user evaluated by the usualness level evaluation section in the media information storage section so that the usualness level is linked to the media information acquired by the media information acquisition section.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: May 28, 2013
    Assignee: Olympus Corporation
    Inventors: Seiji Tatsuta, Ryohei Sugihara, Yoichi Iba
  • Patent number: 8446676
    Abstract: Provided is a head-mounted display element, including: a first casing (11) which incorporates therein at least a display element (21), and has a light projection window (11a) for projecting image light from the display element (21); a second casing (12) which incorporates therein an eyepiece optical system (31) with a refractive power, and has a light receiving window (12a) for receiving incident image light projected through the light projection window (11a) and an eyepiece window (12b) for emitting the image light that has passed through the eyepiece optical system (31); and a coupling portion (13) for coupling the second casing (12) to the first casing (11) so as to make adjustable a length of an optical path between the light projection window (11a) and the light receiving window (12a).
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: May 21, 2013
    Assignee: Olympus Corporation
    Inventors: Ryohei Sugihara, Yoichi Iba, Seiji Tatsuta
  • Patent number: 8337015
    Abstract: A spectacles-type image display device having an image output unit that includes a display element that displays images and is disposed on a spectacle frame and a reflection unit that is disposed adjacent to at least one of spectacle lenses and reflects the image light that is output from the image output unit toward the eyeball so that the viewer can see a virtual image of the image is provided. The reflection unit is a reflection member having a positive refractive power and an effective luminous flux that is output from the image output unit and reaches the eyeball of the viewer is configured so that the width of the luminous flux perpendicular to an optical axis is minimum at the reflection unit with respect to the optical axis cross-section parallel to an incident surface of the optical axis relative to the reflection unit.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: December 25, 2012
    Assignee: Olympus Corporation
    Inventors: Ryohei Sugihara, Seiji Tatsuta, Yoichi Iba, Koichi Takahashi
  • Patent number: 8305296
    Abstract: A hexahedron prism in which a first optical surface and a second optical surface opposed to each other are approximately parallel, the inner angles ? between the first optical surface and each of a third optical surface and a fourth optical surface opposed to each other are equal, a fifth optical surface and a sixth optical surface opposed to each other are configured inclining toward each other and the distance therebetween becomes narrow from the third optical surface to the fourth optical surface, and further, a light beam from a image display element enters through a first partial optical surface into the hexahedron prism, reflects inside the prism and is emitted through a second partial optical surface to an eye pupil of a user.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: November 6, 2012
    Assignee: Olympus Corporation
    Inventors: Yoichi Iba, Ryohei Sugihara, Seiji Tatsuta
  • Patent number: 8305297
    Abstract: A spectacles-type image display device comprises an image output unit for outputting image light of images to be displayed and a reflection unit disposed in a field of view of at least one eyeball of a viewer. The reflection unit is adapted to reflect the image light output from the image output unit toward the eyeball of the viewer so that the viewer can see virtual images of the images. The minimum value of a width of a projection cross-section of the reflection unit in an output direction of the image light to the eyeball is smaller than a dark-adapted pupil diameter of human and is larger than a light-adapted pupil diameter of human.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: November 6, 2012
    Assignee: Olympus Corporation
    Inventors: Ryohei Sugihara, Seiji Tatsuta, Yoichi Iba
  • Patent number: 8229877
    Abstract: An information processing system includes a state estimation section that estimates a state of a user based on information that includes sensor information from at least one of a behavior sensor that measures a behavior of the user, a condition sensor that measures a condition of the user, and an environment sensor that measures an environment of the user, a historical information storage section that stores state historical information about the user, a usualness level evaluation section that evaluates a usualness level of the user, and a write section that writes the usualness level of the user evaluated by the usualness level evaluation section in the historical information storage section so that the usualness level is linked to each state of the user indicated by the state historical information about the user.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: July 24, 2012
    Assignee: Olympus Corporation
    Inventors: Ryohei Sugihara, Seiji Tatsuta, Yoichi Iba
  • Patent number: 8228607
    Abstract: The present invention provides a novel head-mounted type image display device capable of displaying a lot of information with good viewability by multi-screens without impairing mobility of the device. The device comprises a plurality of eyepiece optical units 25Ru, 25Rd emitting image light to be displayed toward corresponding eye balls respectively and a head-mounting unit 11 for supporting the plurality of eyepiece optical units 25Ru, 25Rd and adapted to detachably attached to the head of an observer.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: July 24, 2012
    Assignee: Olympus Corporation
    Inventors: Ryohei Sugihara, Seiji Tatsuta, Yoichi Iba
  • Publication number: 20120081658
    Abstract: Provided is a device-mounting support member (100) for mounting a wearable device (W) onto an eyeglass frame, including: an eyeglass attachment portion (101) having a first pressing portion (101a) to be pressed against a temple portion (T) of the eyeglass frame; a support frame portion (102) to be attached with the wearable device (W) which extends from the eyeglass attachment portion (101) substantially parallel to the temple portion (T); and a head abutment portion (103) which is coupled to the support frame portion (102) and to be abutted to a head of a wearer, in which: the support frame portion (102) is arranged on the outside of the temple portion (T); the head abutment portion (103) is arranged on the inside of the temple portion (T); and the support frame portion (102) and the head abutment portion (103) are coupled to each other via a support bridge portion (104).
    Type: Application
    Filed: September 30, 2011
    Publication date: April 5, 2012
    Applicant: OLYMPUS CORPORATION
    Inventors: Ryohei SUGIHARA, Seiji TATSUTA, Yoichi IBA
  • Patent number: D719571
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: December 16, 2014
    Assignee: Olympus Corporation
    Inventors: Ryohei Sugihara, Yoichi Iba, Shinya Takahashi