Patents by Inventor Hidemasa Yoshida

Hidemasa Yoshida 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: 9131099
    Abstract: A configuration is adopted in which an image sensor unit includes: a sensor substrate on which a plurality of photoelectric conversion elements are mounted; a light source that includes light-emitting elements and is for illuminating a document; a light guide that guides light from the light source from one end face in a longitudinal direction and linearly illuminates the document; a rod lens array imaging reflected light from the document on the sensor substrate; and a frame attaching each of these, and in which the frame detachably includes a spacer provided in proximity to the light source, and the spacer includes a light shield roof elongated so as to cover the light source and the end of the light guide.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: September 8, 2015
    Assignee: CANON COMPONENTS, INC.
    Inventors: Hideo Kiyota, Hidemasa Yoshida
  • Patent number: 9094562
    Abstract: A reflection reading light guide that emits light of a reflection reading light source, from a reflected light emission surface to bill S; a transmission reading light guide that emits light of a transmission reading light source, from a transmitted light emission surface to bill S; a rod-lens array that focuses reflected light from the bill S and/or transmitted light transmitted through bill S; a light receiving element that receives light collected by the rod-lens array; and a frame including a housing portion that houses the reflection reading light guide are disclosed. A light blocking portion that protrudes from the reflected light emission surface of the reflection reading light guide toward optical axis Z of the rod-lens array is included in the housing portion, and includes a positioning reference surface for the reflection reading light guide. Influence of stray light is reduced, and accuracy of read image is improved.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: July 28, 2015
    Assignee: CANON COMPONENTS, INC.
    Inventors: Tomoyuki Horiguchi, Hidemasa Yoshida, Akifumi Fujiwara, Hidehisa Takahashi
  • Publication number: 20150122979
    Abstract: An illumination apparatus includes: a light guide that is formed in a rod shape and includes a positioning portion that is formed at one end in a longitudinal direction, and light incident surfaces that are formed at two end faces in the longitudinal direction; and light sources that are arranged in the vicinity of the light incident surfaces, respectively, and that emit light that is incident on the incident surfaces. The light guide is formed by injection molding. A gate portion for supplying a resin material during injection molding opens at a position that corresponds to a tip face of the positioning portion.
    Type: Application
    Filed: January 13, 2015
    Publication date: May 7, 2015
    Inventor: Hidemasa YOSHIDA
  • Publication number: 20150116883
    Abstract: An electric-wire protection device that protects an electric wire by cutting off power to the wire when its temperature is elevated above a predetermined value is presented.
    Type: Application
    Filed: January 25, 2013
    Publication date: April 30, 2015
    Applicant: SUMITOMO WIRING SYSTEMS. LTD.
    Inventors: Kazuhiro Kimoto, Hidemasa Yoshida, Takaki Ito
  • Publication number: 20150110382
    Abstract: An image sensor unit includes: a plurality of light sources each including an LED chip; a plurality of light guides that are arranged in parallel to face incident surfaces on one side in a longitudinal direction for each of the plurality of light sources and that guide light from the plurality of light sources to a bill; an image sensor that converts light from the bill to an electric signal; a sensor substrate for mounting the image sensor; and a circuit board that is provided with the plurality of light sources on a same mounting surface and that is arranged on the sensor substrate on one side in the longitudinal direction of the plurality of light guides, wherein the sensor substrate includes a connection hole on one side in the longitudinal direction of the sensor substrate, and the circuit board is connected to the sensor substrate by connecting a connecting portion including a plurality of external connection pads to the connection hole.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: Shuuichi SHIMODA, Junya KINOSHITA, Yoshio KUREISHI, Ryoki MATSUI, Hidemasa YOSHIDA, Yoshihiko TSUMEKAWA, Hidehisa TAKAHASHI, Akifumi FUJIWARA, Suguru TASHIRO, Takashi CHIBA
  • Publication number: 20150060651
    Abstract: Illumination apparatuses include: light sources; and light guides formed in a rod shape, wherein end surfaces in a longitudinal direction are incident surfaces that receive light emitted from the light sources. Diffusing patterns are formed on the light guides, and intervals between the diffusing patterns closer to the incident surface in a first area close to the incident surface are smaller than intervals between the diffusing patterns closer to the incident surface in a second area farther from the incident surface than the first area.
    Type: Application
    Filed: August 19, 2014
    Publication date: March 5, 2015
    Inventors: Hidemasa YOSHIDA, Yoshihiko TSUMEKAWA
  • Publication number: 20150062670
    Abstract: An illumination apparatus includes: a rod-like light guide member that directs light emitted from a first light source and a second light source from an emission surface to an illuminated body while propagating the light by reflection surfaces; and a light blocking member including a second surrounding portion slidably covering another end of the light guide member, wherein the second surrounding portion includes: a light blocking portion protruding toward one end of the light guide member and covering the emission surface of the light guide member; and a cut-out portion adjacent to the light blocking portion and exposing the reflection surface of the light guide member.
    Type: Application
    Filed: September 2, 2014
    Publication date: March 5, 2015
    Inventors: Hidemasa YOSHIDA, Yoshihiko TSUMEKAWA
  • Patent number: 8964265
    Abstract: An illumination apparatus includes: a light guide that is formed in a rod shape and includes a positioning portion that is formed at one end in a longitudinal direction, and light incident surfaces that are formed at two end faces in the longitudinal direction; and light sources that are arranged in the vicinity of the light incident surfaces, respectively, and that emit light that is incident on the incident surfaces. The light guide is formed by injection molding. A gate portion for supplying a resin material during injection molding opens at a position that corresponds to a tip face of the positioning portion.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: February 24, 2015
    Assignee: Canon Components, Inc.
    Inventor: Hidemasa Yoshida
  • Publication number: 20150047868
    Abstract: An electrical junction box includes: a sliding member slidable between a second position where a first connector is allowed to be inserted into a first connector fitting portion, and a first position where the first connector regularly fitted to the first connector fitting portion is held between the sliding member and the first connector fitting portion, and a second connector is allowed to be inserted into a second connector fitting portion; and a locking projection with which a locking arm of the sliding member is locked. The locking projection includes: a first inclined wall inclined in a direction away from the first connector fitting portion as extended toward the first connector fitting portion from the second connector fitting portion; a second inclined wall inclined in a direction approaching the first connector fitting portion; and a third wall perpendicular to an outer surface of the first connector fitting portion.
    Type: Application
    Filed: September 11, 2012
    Publication date: February 19, 2015
    Inventors: Keisuke Ozawa, Hidemasa Yoshida
  • Publication number: 20150022870
    Abstract: An image sensor unit includes a sensor substrate on which a plurality of photoelectric conversion elements are mounted, a light source that includes light-emitting elements, for illuminating a document, a light guide that guides light from the light source from one end face and linearly illuminates the document, a rod lens array imaging reflected light from the document on the sensor substrate, and a frame holding each of these elements. The frame includes a spacer provided in proximity to the light source. The spacer includes a light shielding that covers the light source and a portion of the light guide.
    Type: Application
    Filed: October 9, 2014
    Publication date: January 22, 2015
    Inventors: Hideo KIYOTA, Hidemasa YOSHIDA
  • Patent number: 8885230
    Abstract: A configuration is adopted in which an image sensor unit includes: a sensor substrate on which a plurality of photoelectric conversion elements are mounted; a light source that includes light-emitting elements and is for illuminating a document; a light guide that guides light from the light source from one end face in a longitudinal direction and linearly illuminates the document; a rod lens array imaging reflected light from the document on the sensor substrate; and a frame attaching each of these, and in which the frame detachably includes a spacer provided in proximity to the light source, and the spacer includes a light shielding roof elongated so as to cover the light source and the end of the light guide.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: November 11, 2014
    Assignee: Canon Components, Inc.
    Inventors: Hideo Kiyota, Hidemasa Yoshida
  • Publication number: 20140320937
    Abstract: A reflection reading light guide that emits light of a reflection reading light source, from a reflected light emission surface to bill S; a transmission reading light guide that emits light of a transmission reading light source, from a transmitted light emission surface to bill S; a rod-lens array that focuses reflected light from the bill S and/or transmitted light transmitted through bill S; a light receiving element that receives light collected by the rod-lens array; and a frame including a housing portion that houses the reflection reading light guide are disclosed. A light blocking portion that protrudes from the reflected light emission surface of the reflection reading light guide toward optical axis Z of the rod-lens array is included in the housing portion, and includes a positioning reference surface for the reflection reading light guide. Influence of stray light is reduced, and accuracy of read image is improved.
    Type: Application
    Filed: August 9, 2012
    Publication date: October 30, 2014
    Applicant: CANON COMPONENTS, INC.
    Inventors: Tomoyuki Horiguchi, Hidemasa Yoshida, Akifumi Fujiwara, Hidehisa Takahashi
  • Patent number: 8797609
    Abstract: An image sensor unit includes a reflection reading light guide that emits light from a reflection reading light source toward the bill, a transmission reading light guide that emits light from a transmission reading light source toward the bill, an imaging element that focuses light from the bill, and a light receiving element that receives light that is collected by the imaging element. The transmission reading light source and the transmission reading light guide are disposed on the opposite side of a conveyance path through which the bill can pass, for the reflection reading light source and the reflection reading light guide, and a light blocking member that blocks a part of the light from the reflection reading light guide is disposed between the reflection reading light guide and the transmission reading light guide.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: August 5, 2014
    Assignee: Canon Components, Inc.
    Inventors: Shuuichi Shimoda, Tomoyuki Horiguchi, Hidemasa Yoshida, Akifumi Fujiwara, Hidehisa Takahashi
  • Patent number: 8786915
    Abstract: An image sensor unit includes: a light source including a light emitting element on a light emitting surface; a light guide that causes light from the light source to be incident on a light incident surface facing to the light emitting surface, ejects the light from a light ejecting surface and illuminates a document; a rod lens array that images reflected light from the document; a sensor substrate on which a photoelectric conversion element is mounted, the photoelectric conversion element converting the reflected light imaged by the rod lens array into an electric signal; and a frame that supports the light source, the light guide, the rod lens array and the sensor substrate, wherein positioning sections are provided on an opposite side of the light emitting surface of the light source and at a part of the frame which is disposed at the opposite side of the light emitting surface.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: July 22, 2014
    Assignee: Canon Components, Inc.
    Inventors: Mitsuyoshi Kisara, Hideo Kiyota, Shuuichi Shimoda, Hidemasa Yoshida, Hidehisa Takahashi
  • Patent number: 8755096
    Abstract: An image sensor unit has a light emitting module and a light guide that guides light emitted by the light emitting module to a bill, the light guide has an incident surface on which the light emitted by the light emitting module is incident, a reflection surface that reflects the light having entered the light guide through the incident surface, and an emission surface from which the light reflected by the reflection surface is emitted toward the bill, and the reflection surface is formed by a plurality of contiguous flat surfaces.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: June 17, 2014
    Assignee: Canon Components, Inc.
    Inventors: Hidemasa Yoshida, Tomoyuki Horiguchi, Akifumi Fujiwara, Hidehisa Takahashi, Shuuichi Shimoda
  • Patent number: 8725074
    Abstract: A communication device of the present invention includes a physical layer for performing close-range one-to-one communication with a device of a communication counterpart by electric field coupling or magnetic field coupling; one or a plurality of PCL Emulations for converting a protocol of a higher level application to a protocol for communicating at the physical layer; and a PCL common for performing negotiation with the device of the communication counterpart without the higher level application started after the connection with the communication counterpart is established or at the same time as the connection establishment to select one PCL Emulation.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: May 13, 2014
    Assignee: Sony Corporation
    Inventors: Tsutomu Ito, Itaru Maekawa, Hidemasa Yoshida, Akihiro Ihori, Shinsuke Tashiro
  • Patent number: 8681396
    Abstract: An image sensor unit includes a reflection reading light source that illuminates a bill, a substrate on which the reflection reading light source is mounted, a reflection reading light guide that guides the light emitted by the reflection reading light source to the bill, a rod-lens array that focuses the light from the bill, a light receiving element that receives the light from the rod-lens array, a sensor substrate on which the light receiving element is mounted, and a frame that houses the substrate, the reflection reading light guide, the rod-lens array and the sensor substrate. The sensor substrate has a passage hole and is disposed closer to the bill than the substrate. The frame is disposed with the reflection reading light guide inserted into the passage hole, so that the light from the reflection reading light source reaches the bill through the passage hole.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: March 25, 2014
    Assignee: Canon Components, Inc.
    Inventors: Tomoyuki Horiguchi, Hidemasa Yoshida, Akifumi Fujiwara, Hidehisa Takahashi
  • Patent number: 8681398
    Abstract: A protruding locking pawl is provided at an end of a light guide which corresponds to a first light input surface. A recessed locking portion is formed in a frame so that the locking pawl can be locked in the locking portion. A light blocking member is slidably loosely inserted into a position where the light blocking member covers a longitudinal end of the light guide which corresponds to a second light input surface. Even if expansion and contraction occurs in the longitudinal direction of the light guide, the design dimensions of a first gap A and a second gap B can be maintained; the first gap A is formed between the first light input surface and a first light source, and the second gap B formed between the second light input surface and a second light source. Therefore, possible leakage current can be prevented.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: March 25, 2014
    Assignee: Canon Components, Inc.
    Inventors: Shuuichi Shimoda, Hidemasa Yoshida, Hideo Kiyota, Hiroyuki Murakami
  • Publication number: 20140016166
    Abstract: An image sensor unit includes: a light source including a light emitting element on a light emitting surface; a light guide that causes light from the light source to be incident on a light incident surface facing to the light emitting surface, ejects the light from a light ejecting surface and illuminates a document; a rod lens array that images reflected light from the document; a sensor substrate on which a photoelectric conversion element is mounted, the photoelectric conversion element converting the reflected light imaged by the rod lens array into an electric signal; and a frame that supports the light source, the light guide, the rod lens array and the sensor substrate, wherein positioning sections are provided on an opposite side of the light emitting surface of the light source and at a part of the frame which is disposed at the opposite side of the light emitting surface.
    Type: Application
    Filed: September 13, 2013
    Publication date: January 16, 2014
    Applicant: CANON COMPONENTS, INC.
    Inventors: Mitsuyoshi KISARA, Hideo KIYOTA, Shuuichi SHIMODA, Hidemasa YOSHIDA, Hidehisa TAKAHASHI
  • Publication number: 20140014819
    Abstract: An illumination apparatus includes: a light guide that is formed in a rod shape and includes a positioning portion that is formed at one end in a longitudinal direction, and light incident surfaces that are formed at two end faces in the longitudinal direction; and light sources that are arranged in the vicinity of the light incident surfaces, respectively, and that emit light that is incident on the incident surfaces. The light guide is formed by injection molding. A gate portion for supplying a resin material during injection molding opens at a position that corresponds to a tip face of the positioning portion.
    Type: Application
    Filed: July 12, 2013
    Publication date: January 16, 2014
    Inventor: Hidemasa YOSHIDA