Patents by Inventor Nobuyuki Otsuki

Nobuyuki Otsuki 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: 20240402584
    Abstract: A projector includes an exterior housing having a discharge port, a first cooling target including a plurality of fins, a second cooling target, a first cooling fan that sends cooling air to the first and second cooling targets, and a second cooling fan that creates a positive pressure in the exterior housing. The second cooling target is disposed at a position where the positive pressure is created inside the exterior housing. The cooling air from the first cooling fan flows to the discharge port with the aid of the delivery force produced by the first cooling fan, and the cooling air flowing from the first cooling fan to the second cooling target flows to the discharge port with the positive pressure in the exterior housing acting on the cooling air.
    Type: Application
    Filed: May 31, 2024
    Publication date: December 5, 2024
    Inventors: Toshio MATSUMIYA, Keita TSUKIOKA, Nobuyuki OTSUKI
  • Publication number: 20240402583
    Abstract: A projector includes an exterior housing having a first wall, an introduction port via which outside air is introduced as a cooling gas into the exterior housing, and a discharge port via which the cooling gas is discharged, a first cooling target disposed at the inner surface of the first wall, a cooling fan including an intake portion that sucks the cooling gas and a sending portion that sends the sucked cooling gas, a first flow path that cause the cooling gas to flow between the introduction port and the intake portion, and a second flow path that cause the cooling gas to flow between the sending portion and the discharge port. The first flow path is formed by a first surface of the first cooling target, and the second flow path is formed by a second surface different from the first surface in the first cooling target.
    Type: Application
    Filed: May 30, 2024
    Publication date: December 5, 2024
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Toshio MATSUMIYA, Keita TSUKIOKA, Yosuke NAKATA, Nobuyuki OTSUKI
  • Publication number: 20240402582
    Abstract: A projector includes an exterior housing having a first wall and a second wall opposite from each other, a third wall and a fourth wall opposite from each other, and a fifth wall and a sixth wall opposite from each other, a speaker unit including a first sound emitter provided in the speaker housing, and an intake fan. The first wall includes a communication port serving as a sound emission port of the first sound emitter, the fifth wall includes a contact portion that comes into contact with an installation surface, a noncontact portion that does not come into contact with the installation surface, and an air intake port provided at the noncontact portion, and the air intake fan communicates with the communication port and the air intake port.
    Type: Application
    Filed: May 31, 2024
    Publication date: December 5, 2024
    Inventors: Nobuyuki OTSUKI, Keita TSUKIOKA, Toshio MATSUMIYA
  • Publication number: 20240365035
    Abstract: A projector includes a housing having a first wall part facing a projection target surface, a second wall part facing an opposite side to the first wall part, a third wall part and a fourth wall part facing respective sides opposite to each other, a first speaker disposed in a first corner part of the housing, and a second speaker disposed in a second corner part of the housing, wherein a first output surface for outputting a sound wave in the first speaker tilts toward the third wall part in an angle range larger than 45 degrees and smaller than 90 degrees with reference to the second wall part, and a second output surface for outputting a sound wave in the second speaker tilts toward the fourth wall part in an angle range larger than 45 degrees and smaller than 90 degrees with reference to the second wall part.
    Type: Application
    Filed: April 26, 2024
    Publication date: October 31, 2024
    Inventor: Nobuyuki OTSUKI
  • Patent number: 12078918
    Abstract: A projection optical device includes an incident side optical path on which image light is made incident from a image generation device, a bending member configured to bend the image light having passed through the incident side optical path, an emission side optical path on which the image light bent by the bending member is made incident, the emission side optical path being disposed side by side with the light source device, and a reflection element provided on the emission side optical path and configured to reflect the image light made incident thereon and project the image light to the outside of the exterior housing. The absolute value of f2/f1 satisfies the following expression when a focal length of the projection optical device is represented as f1 and a focal length of the reflection element is represented as f2. 4.0<|f2/f1|<20.0.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: September 3, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Nobuyuki Otsuki, Hitoshi Hirano, Takanori Fukuyama
  • Patent number: 11921408
    Abstract: A projection device according to the present disclosure includes a light source unit, an image formation unit, a projection optical unit, and a housing which has a first surface and a second surface opposed to each other, and is configured to house the light source unit, the image formation unit, and the projection optical unit, wherein the first surface includes a first region, and a second region lower in height from the second surface than the first region, and a receiving part on which a suspending attachment is mounted is disposed in the second region.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: March 5, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Nobuyuki Otsuki
  • Patent number: 11846868
    Abstract: A projection apparatus (projector) includes a light source apparatus, an image generation unit that generates image light from the light from the light source apparatus, a projection optical system that projects the image light, a reflective optical element (reflection mirror) that forms the projection optical system, deflects back the image light, and causes the deflected image light to exit, a projection optics enclosure that accommodates the projection optical system, and a first opening section formed in the projection optics enclosure so as to open in the position of the reflective optical element (reflection mirror).
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: December 19, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Nobuyuki Otsuki, Naoto Takehana, Takanori Fukuyama
  • Patent number: 11768429
    Abstract: A projection apparatus includes a light source apparatus, a first reflective optical element that reflects the light outputted by the light source apparatus, a second reflective optical element that reflects the light reflected off the first reflective optical element, and a projection optical apparatus that enters the light from the second reflective optical element. The projection optical apparatus has an entrance optical path, a deflection member that deflects the direction of the light traveling along the entrance optical path, and a passage optical path along which the light that exits out of the deflection member travels. The extension of the light exiting optical axis of the light source apparatus does not coincide with the extension of the optical axis of the entrance optical path and intersects with the extension containing the optical axis of the passage optical path.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: September 26, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Nobuyuki Otsuki, Makoto Zakoji, Katsunori Tanaka
  • Patent number: 11770508
    Abstract: One aspect of a projector according to the present disclosure includes an exterior housing, a first fan, and a first circulator. The exterior housing has a first wall portion, a second wall portion located in a direction opposite to a first direction with respect to the first wall portion, and a third wall portion facing a second direction. The second wall portion has an introduction port, and the third wall portion has a discharge port. The first circulator connects the introduction port and a first suction port of the first fan to each other. A cooling target is located in the first circulator in a direction intersecting with a direction in which air flows from the introduction port to the first suction port.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: September 26, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masayuki Okoshi, Junya Hayakawa, Nobuyuki Otsuki
  • Patent number: 11762273
    Abstract: An image generation apparatus includes a first reflective optical element that reflects at least part of the light outputted from a light source apparatus and a second reflective optical element disposed in the optical path of the light reflected off the first reflective optical element. A projection optical apparatus has an entrance optical path located in the light exiting optical axis of the image generation apparatus, a deflection member that deflects light having traveled along the entrance optical path, and a passage optical path along which the light deflected by the deflection member travels. The light exiting optical axis of the light source apparatus is parallel to the light incident optical axis of the projection optical apparatus, and the extension of the light exiting optical axis of the light source apparatus intersects with the passage optical path.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: September 19, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Nobuyuki Otsuki, Makoto Zakoji, Katsunori Tanaka
  • Publication number: 20230266646
    Abstract: A projector includes: an exterior casing having a first wall section; a projection optical part accommodated in the exterior casing and having a lens group projecting image light onto a projection surface; a focus lever moving a position of the lens group; a power switch being pressed to generate a control signal; and a coupling terminal electrically coupled to a cable transmitting an electrical signal. The focus lever, the power switch, and the coupling terminal are arranged at the first wall section.
    Type: Application
    Filed: February 17, 2023
    Publication date: August 24, 2023
    Inventors: Takashi NAKAJIMA, Yoshinori HASHIMOTO, Toshimitsu WATANABE, Nobuyuki OTSUKI
  • Patent number: 11696066
    Abstract: A speaker device of the present disclosure includes a speaker unit, a first passive radiator disposed adjacent to a vibrating plate of the speaker unit, a second passive radiator located in a first direction with respect to the first passive radiator and disposed to be opposed to the first passive radiator, a first cabinet including a first wall section and forming a sealed acoustic space, and a second cabinet including a second wall section, including an opening section adjacent to the first passive radiator, and forming an opened acoustic space. The second passive radiator is located in a second direction with respect to a first imaginary surface passing the first wall section of the first cabinet. The second wall section of the second cabinet does not project in the first direction with respect to the first wall section.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: July 4, 2023
    Assignee: Seiko Epson Corporation
    Inventor: Nobuyuki Otsuki
  • Patent number: 11539925
    Abstract: A projector includes a light projector and a position adjuster. The light projector includes a holder holding a plurality of lenses and a movable frame element provided to be pivotable around the optical axis of the plurality of lenses and that pivots to move a target lens out of the plurality of lenses along the optical axis. The position adjuster includes an arm member connected to the movable frame element that pivots along with the movable frame element, an operation member provided to be pivotable around a pivotal axis substantially parallel to the optical axis and pivots when an end portion of the operation member opposite the arm member is moved, and a linkage mechanism that links the arm member to the operation member and causes the arm member to pivot in response to the pivotal motion of the operation member.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: December 27, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Nobuyuki Otsuki
  • Patent number: 11460758
    Abstract: A projector according to the present disclosure includes a projection optical unit section including a projection lens, a speaker section, and a chassis having a first holding part configured to hold the projection optical unit section, and a second holding part which is stacked along a first direction with respect to the first holding part, and is configured to hold the speaker section, wherein light emitted from the projection lens spreads toward a second direction perpendicular to the first direction in a plane including the first direction and an optical axis of the projection lens, and in the light emitted from the projection lens, a divergence angle at an opposite side to the first direction with respect to the second direction is smaller than a divergence angle at the first direction side with respect to the second direction.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: October 4, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masatoshi Tanaka, Takuya Hatano, Nobuyuki Otsuki
  • Publication number: 20220308429
    Abstract: A projection optical device includes an incident side optical path on which image light is made incident from a image generation device, a bending member configured to bend the image light having passed through the incident side optical path, an emission side optical path on which the image light bent by the bending member is made incident, the emission side optical path being disposed side by side with the light source device, and a reflection element provided on the emission side optical path and configured to reflect the image light made incident thereon and project the image light to the outside of the exterior housing. The absolute value of f2/f1 satisfies the following expression when a focal length of the projection optical device is represented as f1 and a focal length of the reflection element is represented as f2.
    Type: Application
    Filed: March 25, 2022
    Publication date: September 29, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Nobuyuki OTSUKI, Hitoshi HIRANO, Takanori FUKUYAMA
  • Publication number: 20220303670
    Abstract: A speaker device of the present disclosure includes a speaker unit, a first passive radiator disposed adjacent to a vibrating plate of the speaker unit, a second passive radiator located in a first direction with respect to the first passive radiator and disposed to be opposed to the first passive radiator, a first cabinet including a first wall section and forming a sealed acoustic space, and a second cabinet including a second wall section, including an opening section adjacent to the first passive radiator, and forming an opened acoustic space. The second passive radiator is located in a second direction with respect to a first imaginary surface passing the first wall section of the first cabinet. The second wall section of the second cabinet does not project in the first direction with respect to the first wall section.
    Type: Application
    Filed: March 17, 2022
    Publication date: September 22, 2022
    Inventor: Nobuyuki OTSUKI
  • Patent number: 11415870
    Abstract: A casing of a projector has a leg part provided at a first surface, and a recessed part located at the first surface. The leg part has a shaft part provided pivotally in relation to the casing, and a cover part fixed to the shaft part and pivoting with the shaft part. The shaft part protrudes from or is inserted in the casing according to the pivoting of the shaft part. The cover part has a sidewall part covering a part of the shaft part. The recessed part accommodates at least a part of the sidewall part.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: August 16, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Nobuyuki Otsuki, Junya Hayakawa
  • Publication number: 20220171261
    Abstract: A projection device according to the present disclosure includes a light source unit, an image formation unit, a projection optical unit, and a housing which has a first surface and a second surface opposed to each other, and is configured to house the light source unit, the image formation unit, and the projection optical unit, wherein the first surface includes a first region, and a second region lower in height from the second surface than the first region, and a receiving part on which a suspending attachment is mounted is disposed in the second region.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 2, 2022
    Inventor: Nobuyuki OTSUKI
  • Publication number: 20220137498
    Abstract: A projection apparatus (projector) includes a light source apparatus, an image generation unit that generates image light from the light from the light source apparatus, a projection optical system that projects the image light, a reflective optical element (reflection mirror) that forms the projection optical system, deflects back the image light, and causes the deflected image light to exit, a projection optics enclosure that accommodates the projection optical system, and a first opening section formed in the projection optics enclosure so as to open in the position of the reflective optical element (reflection mirror).
    Type: Application
    Filed: October 28, 2021
    Publication date: May 5, 2022
    Inventors: Nobuyuki OTSUKI, Naoto TAKEHANA, Takanori FUKUYAMA
  • Publication number: 20220121096
    Abstract: A projection apparatus includes a light source apparatus, a first reflective optical element that reflects the light outputted by the light source apparatus, a second reflective optical element that reflects the light reflected off the first reflective optical element, and a projection optical apparatus that enters the light from the second reflective optical element. The projection optical apparatus has an entrance optical path, a deflection member that deflects the direction of the light traveling along the entrance optical path, and a passage optical path along which the light that exits out of the deflection member travels. The extension of the light exiting optical axis of the light source apparatus does not coincide with the extension of the optical axis of the entrance optical path and intersects with the extension containing the optical axis of the passage optical path.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 21, 2022
    Inventors: Nobuyuki OTSUKI, Makoto ZAKOJI, Katsunori TANAKA