Patents Assigned to Seiko Epson Corporation
  • Patent number: 10298855
    Abstract: A video processor includes a receiving section that receives video information representing video images and luminance-related information on the luminance of the video images and a video processing section that determines an expansion target luminance range of the video images based on the luminance-related information and expands the expansion target luminance range in such a way that the maximum luminance in the expansion target luminance range increases.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Miki Nagano, Yoshihito Hayashi, Sachio Tsuboi, Isao Kobayashi
  • Patent number: 10299376
    Abstract: A method for producing an electrical wiring member includes press-molding a composition containing a resin material and metal particles with an insulating layer, each of which is constituted by a metal particle and a surface insulating layer covering the metal particle and containing a glass material as a main material, thereby obtaining a powder-compacted layer and irradiating the powder-compacted layer with an energy beam, thereby causing the irradiated regions to exhibit electrical conductivity.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Hidefumi Nakamura, Taku Kawasaki
  • Patent number: 10293479
    Abstract: A robot includes: a first arm rotatable about a first rotation axis; a second arm provided on the first arm rotatably about a second rotation axis that is a different axial direction from an axial direction of the first rotation axis; and a moving part provided on the second arm rotatably about a third rotation axis. The moving part has a third arm and a fourth arm. A maximum length of the moving part is longer than a length of the second arm and shorter than twice the length of the second arm. The first arm has a length longer than the length of the second arm. The first arm and the second arm can overlap with each other, as viewed from the axial direction of the second rotation axis.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Kazuto Yoshimura, Kazushige Akaha
  • Patent number: 10293480
    Abstract: A robot system includes: a cell; and a robot which is provided to move in the cell, in which the robot includes an n-th (n is an integer which is equal to or greater than 1) arm which rotates around an n-th rotating axis, and an (n+1)th arm which is provided to rotate around an (n+1)th rotating axis which is an axial direction different from an axial direction of the n-th rotating axis, in the n-th arm, in which the length of the n-th arm is longer than the length of the (n+1)th arm, and in which, when viewed from the (n+1)th rotating axis, the n-th arm and the (n+1)th arm overlap each other.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Kazushige Akaha
  • Patent number: 10295893
    Abstract: A discharge lamp driving device includes a discharge lamp driving section configured to supply a driving current to a discharge lamp, a control section configured to control the discharge lamp driving section, and a voltage detecting section configured to detect an inter-electrode voltage. The control section supplies a driving current including a first alternating current when the inter-electrode voltage is equal to or higher than a first voltage, supplies a driving current including a second alternating current having a frequency which is lower than a frequency of the first alternating current when the inter-electrode voltage is lower than the first voltage and equal to or higher than a second voltage lower than the first voltage, and supplies a driving current including a third alternating current having a frequency which is higher than the frequency of the first alternating current when the inter-electrode voltage is lower than the second voltage.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Tetsuo Terashima
  • Patent number: 10293545
    Abstract: A three-dimensional modeling apparatus is provided with a head unit for modeling an object by discharging a liquid into each unit grille that is defined in accordance with modeling resolutions of a cross section body in an X direction and a Y direction and a lamination interval in a Z direction, and a control unit for controlling the head unit. In the case where one or more types of the chromatic liquids are discharged into the unit grille by controlling the head unit and the spatial volume of the unit grille is not filled with the one or more types of chromatic liquids, the control unit causes the achromatic liquid to be discharged into the unit grille in addition to the one or more types of chromatic liquids so as to fill the spatial volume of the unit grille with both the chromatic liquids and the achromatic liquid.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Eiji Okamoto
  • Patent number: 10294380
    Abstract: A three-dimensional shaped article manufacturing apparatus is an apparatus for manufacturing a three-dimensional shaped article by laminating layers formed by discharging and curing inks including a curable resin.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Eiji Okamoto
  • Patent number: 10298920
    Abstract: A projector that projects an image based on image data, includes alight source, a modulation unit that modulates light which is emitted from the light source, a light attenuation rate setting unit that sets a light attenuation rate based on the image data, and a light adjustment unit that adjusts intensity of incident light of the modulation unit, according to the light attenuation rate which is set by the light attenuation rate setting unit. The light attenuation rate setting unit sets a minimum value of an adjustment range of the light adjustment unit in a case where the image data is stereoscopic image data to a higher value than a minimum value of an adjustment range of the light adjustment unit in a case where the image data is not stereoscopic image data.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Tatsuhiko Nobori
  • Patent number: 10295346
    Abstract: A vibration element includes a detection signal electrode provided in a detection vibrating arm, a detection signal terminal which is provided in a support portion and electrically connected to the detection signal electrode, and a detection ground terminal provided in the support portion, and the detection ground terminal is disposed between a first connection portion which is a connection portion with a beam portion of the support portion and a second connection portion which is a connection portion with a beam portion, and is provided to extend to the outside of the first connection portion, and the detection signal terminal is provided between the detection ground terminal and an end portion of the support portion.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Seiichiro Ogura, Ryuta Nishizawa
  • Patent number: 10293613
    Abstract: An recording device includes a recording head that performs recording using ink; a liquid containing body that is capable of accommodating ink; a casing of which at least the recording portion and the liquid containing body are provided on an inside portion; a tube that connects the liquid containing body and the recording head with each other; and a operating panel that constitutes a portion of an outer covering of the recording device and operates the recording device. The operating panel is provided to be capable of performing an opening/closing operation with respect to the casing between two positions which are an opened position which exposes and a closed position which does not expose an inside of the casing, and at least a portion of the liquid containing body is exposed, by an opening operation of the operating panel.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Soshi Okawa, Shoma Kudo, Nobuyuki Nishi, Munehide Kanaya
  • Patent number: 10295889
    Abstract: A projection optical apparatus includes an optical system and a projection optic enclosure that accommodates the optical system. The optical system includes a first optical system on which the image light is incident, and the projection optic enclosure includes a first accommodation section that accommodates the first optical system and includes a flange section (supported section) supported by the image forming apparatus and a first wall section and a second wall section that face each other in a first direction (Y direction) that intersects the direction along a line that connects the flange section to the center of gravity of the projection optical apparatus.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Ippei Kurota, Hiroshi Tsuchitani
  • Patent number: 10295829
    Abstract: An optical element includes a plurality of partially reflecting mirrors provided in parallel to each other with an interval therebetween, and a transmittance member interposed between adjacent two partially reflecting mirrors of the plurality of partially reflecting mirrors. The transmittance member has an incidence surface on which an image light and an external light are incident through a light guiding body, and an exit surface from which the image light and the external light are exited to an observer side. Each of the plurality of partially reflecting mirrors is disposed so as to be inclined with respect to the incidence surface and the exit surface, and a reflectance of light incident at a relatively small incidence angle with respect to surfaces of each partially reflecting mirror is lower than a reflectance of light incident at a relatively large incidence angle.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shohei Yoshida, Hayato Matsuki
  • Patent number: 10293617
    Abstract: Provided is a liquid injecting apparatus equipped with a liquid injecting head, which is mounted on a carriage and moved reciprocally in a widthwise direction of a target, and a valve unit, which is mounted on the carriage to be supplied with liquid via a supply passage from a liquid retainer and to supply liquid to the liquid injecting head. The valve unit has a pressure chamber connected to the liquid retainer via the supply passage; a valve, which opens or closes the supply passage to supply liquid to the pressure chamber; and a flexible film member, which is displaced based on a negative pressure generated as liquid in the pressure chamber decreases to thereby operate the valve.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoshiharu Aruga, Toshio Kumagai, Hitoshi Matsumoto
  • Patent number: 10296104
    Abstract: An HMD includes an image display unit that makes a user visually perceive an image, and an control device, capable of being moved independently of the image display unit, which includes a six-axis sensor detecting a movement and a track pad receiving an operation. The HMD controls the display of the image display unit in accordance with the movement detected by the six-axis sensor in a state where the track pad receives an operation.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kaori Sendai, Kazuo Nishizawa, Fusashi Kimura, Masahide Takano
  • Patent number: 10296105
    Abstract: An HMD includes an image display section configured to display an image in a display region to be transmitted through an outside scene and recognizable together with the outside scene, a camera and an imaging control section configured to detect a pointer associated with a motion of the user in a region including at least a range in which the image is transmitted through the image display section, and a display control section configured to cause the image display section to display, in the display region, an image indicating a detection state of the pointer by the camera and the imaging control section and cause the display section to display a candidate of input content corresponding to at least any one of a movement, a shape, and a position of the pointer detected by the camera and the imaging control section.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yutaka Fujimaki, Masahide Takano
  • Patent number: 10295894
    Abstract: In a discharge lamp driver, a control section is configured to alternately repeat a first period in which an AC current is supplied and a second period in which a DC current is supplied, and when a first drive power lower than a rated power of the discharge lamp is supplied and an accumulated lighting time of the discharge lamp is shorter than a predetermined time, the control section is configured to set the length of the first period to be greater than that in a case where the first drive power is supplied and the accumulated lighting time is equal to or longer than the predetermined time, and set the frequency of the AC current during the first period to be higher than that in the case where the first drive power is supplied and the accumulated lighting time is equal to or longer than the predetermined time.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shun Sato
  • Patent number: 10298802
    Abstract: A scanner includes a generator that synthesizes output of a first sensor group and output of a second sensor group where the image data overlaps in part, and generates image data; and a controller that controls the second sensor group to synthesize and output the output of n photoelectric conversion elements at positions based on the relative positions of the first sensor group and second sensor group.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Takahiro Netsu
  • Patent number: 10295892
    Abstract: A light source device includes: a light source section; a diffusing device on which a portion of light emitted from the light source section is incident, the diffusing device diffusely emitting the portion of the light; a wavelength conversion device on which another portion of the light emitted from the light source section is incident, the wavelength conversion device diffusely emitting converted light at a wavelength different from that of the another portion of the light; a light combining device combining the portion of the light diffused by the diffusing device with the converted light emitted from the wavelength conversion device; and an auxiliary diffusing element located between the light source section and the diffusing device on an optical path of the portion of the light, the auxiliary diffusing element diffusing the portion of the light and causing the portion of the light to be incident on the diffusing device.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yuta Ito
  • Patent number: 10296078
    Abstract: A visual system includes one or more units, where each unit is a displaying unit or a video camera, or a combination of both, and each unit has a receiver. The unit has a transmitter which starts transmitting infrequent, short repetitive bursts if no bursts are received by the receiver; and otherwise transmits a delayed short burst synchronized to the infrequent, short repetitive bursts by the transmitter, in order to synchronize all units in the visual system to each other, while the infrequent, short repetitive bursts will not interfere nor will be interfered by the general use of remote controllers for other purposes.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tormod Njolstad, Oystein Damhaug, Hallvard Naess, Karol Marcin Pawlak, Sverre Dale Moen
  • Patent number: 10297062
    Abstract: A head-mounted display device with which a user can visually recognize a virtual image and an outside scene includes an outside-scene acquiring unit configured to acquire outside scene information including at least a feature of the outside scene in a visual field direction of the user, a position estimating unit configured to estimate, on the basis of at least two kinds of the outside scene information acquired by the outside-scene acquiring unit over time, a position of any target object present in a real world, and an augmented-reality processing unit configured to cause the image display unit to form, on the basis of the estimated position of the target object, the virtual image representing a virtual object to be added to the target object.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: May 21, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kenro Yajima, Shinichi Kobayashi, Naoto Aruga