Patents by Inventor Norihiro Imamura

Norihiro Imamura 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: 20120026360
    Abstract: An imaging device according to the present invention includes: image side non-telecentric imaging optics including a first lens 1, a second lens 2 which is entered by light having traveled through the first lens 1, and an imaging element 4 having an imaging plane 4i for detecting light having traveled through the second lens 2; a position changing section (a cam mechanism 6 and a motor 8) for, during an exposure time, respectively changing a first distance between the first lens 1 and the second lens 2 and a second distance between the second lens 2 and the imaging element 4; and a signal processing section 9 for generating an image by using an electrical signal which is output from the imaging element 4. The imaging element 4 converts light reaching the imaging plane 4i during the exposure time, during which the first distance and the second distance are changing, into an electrical signal.
    Type: Application
    Filed: February 8, 2011
    Publication date: February 2, 2012
    Applicant: PANASONIC CORPORATION
    Inventor: Norihiro Imamura
  • Patent number: 8102516
    Abstract: Provided is a test method for accurately testing all regions within a field of view and evaluating, by one-time capturing, accuracy of a distance measured by a compound-eye distance measuring apparatus having two baseline directions.
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: January 24, 2012
    Assignee: Panasonic Corporation
    Inventor: Norihiro Imamura
  • Publication number: 20110286634
    Abstract: An image capture device according to the present invention includes: a first optical system 10 that has a longitudinal chromatic aberration to cause first, second and third colors to form images at mutually different positions on an optical axis; a first image capturing region Na for generating an image that has a component in at least one of the first, second and third colors by using light that has been transmitted through the first optical system 10; a second optical system 20 that has a different longitudinal chromatic aberration from that of the first optical system 10; a second image capturing region Nb for generating an image that has a component in the same color as the at least one color by using light that has been transmitted through the second optical system 20; and an arithmetic processing section C for generating an output image by using one of the two images that has been generated in the first or second image capturing region Na or Nb so as to have the component in the at least one color apiec
    Type: Application
    Filed: October 22, 2010
    Publication date: November 24, 2011
    Applicant: PANASONIC CORPORATION
    Inventor: Norihiro Imamura
  • Publication number: 20110205357
    Abstract: A distance measuring apparatus of the present invention is a distance measuring apparatus for determining a distance to an object, comprising: a plurality of optical systems for forming images of the object; and an image capturing section (N) having a plurality of image capturing areas which are associated with the plurality of optical systems on a one-to-one basis, the image capturing section (N) being configured to convert images of the object formed in respective ones of the image capturing areas through the plurality of optical systems to electric signals, the distance to the object being determined based on a parallax between the images of the object formed through the plurality of optical systems, wherein each of the plurality of optical systems includes n lens surfaces (r1, r2), where n is an integer not less than 2, and a direction of a decentration between an ith lens surface (r1) and a jth lens surface (r2) (counting from the object side) is identical among at least one pair of the plurality of opti
    Type: Application
    Filed: March 3, 2010
    Publication date: August 25, 2011
    Inventor: Norihiro Imamura
  • Patent number: 7903298
    Abstract: An image reader A1 according to the present invention comprises a pair of light source devices 3, a light guide member 4, a first and a second reflectors 7A and 7B, a plurality of light receiving elements 5, and a case 1. The image reader A1 further includes a first fitting contrivance 71 for positioning the first reflector 7A relative to the case 1 by inserting the first reflector 7A into the case 1 in the insertion direction z, a second fitting contrivance 72 for positioning the light guide member 4 relative to the case 1 by inserting the light guide member 4 into the case 1 in the insertion direction z, and a third fitting contrivance 73 for positioning the second reflector 7B relative to the case 1 by inserting the second reflector 7B into the case 1 in the insertion direction z.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: March 8, 2011
    Assignee: ROHM Co., Ltd.
    Inventors: Hideki Sawada, Norihiro Imamura
  • Publication number: 20110037964
    Abstract: A distance measuring apparatus according to the present invention for measuring a distance to an object based on a parallax of images obtained with a plurality of optical systems includes: a reference object (12); a plurality of optical systems (14a, 14b); imaging sections (17a, 17b) for converting images of the object for distance measurement and the reference object formed in the respective imaging regions by the plurality of optical systems into electrical signals; and a calculation section. From the electrical signals, the calculation section generates a plurality of picture data of the reference object by light of a first wavelength band of the reference object in the plurality of imaging regions and a plurality of picture data of the object for distance measurement by light of a second wavelength band of the object for distance measurement in the plurality of imaging regions, the second wavelength band being longer in wavelength than is the first wavelength band.
    Type: Application
    Filed: February 3, 2009
    Publication date: February 17, 2011
    Inventor: Norihiro Imamura
  • Publication number: 20100289895
    Abstract: A distance measuring apparatus according to the present invention determines the distance to an object of range finding based on the amount of parallax between multiple images. The distance measuring apparatus includes: a number of simple lenses L1, L2 in substantially the same shape, on which light that has come from the object of range finding is incident; and an image capturing section N, which has a number of image capturing areas N1, N2 and which captures the images of the object of range finding that have been produced by the respective simple lenses L1, L2 on their associated image capturing areas N1, N2. The lens surfaces r1, r2 of each lens that are opposed to the object of range finding and the image capturing section, respectively, are only aspheric refracting surfaces.
    Type: Application
    Filed: November 16, 2009
    Publication date: November 18, 2010
    Inventor: Norihiro Imamura
  • Publication number: 20100201809
    Abstract: To provide highly accurate calibration method or the like for use with a distance measuring device which provides captured images with significant lens aberration.
    Type: Application
    Filed: May 19, 2009
    Publication date: August 12, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Ichiro Oyama, Norihiro Imamura
  • Publication number: 20100195166
    Abstract: An image reader A1 according to the present invention comprises a pair of light source devices 3, a light guide member 4, a first and a second reflectors 7A and 7B, a plurality of light receiving elements 5, and a case 1. The image reader A1 further includes a first fitting contrivance 71 for positioning the first reflector 7A relative to the case 1 by inserting the first reflector 7A into the case 1 in the insertion direction z, a second fitting contrivance 72 for positioning the light guide member 4 relative to the case 1 by inserting the light guide member 4 into the case 1 in the insertion direction z, and a third fitting contrivance 73 for positioning the second reflector 7B relative to the case 1 by inserting the second reflector 7B into the case 1 in the insertion direction z.
    Type: Application
    Filed: February 13, 2007
    Publication date: August 5, 2010
    Applicant: ROHM CO., LTD.
    Inventors: Hideki Sawada, Norihiro Imamura
  • Publication number: 20100128249
    Abstract: Provided is a test method for accurately testing all regions within a field of view and evaluating, by one-time capturing, accuracy of a distance measured by a compound-eye distance measuring apparatus having two baseline directions.
    Type: Application
    Filed: February 24, 2009
    Publication date: May 27, 2010
    Inventor: Norihiro Imamura
  • Publication number: 20100053414
    Abstract: A compound eye camera module according to the present invention includes a lens array including a plurality of lenses located on the same plane; an imaging section including a plurality of imaging areas on which a plurality of images of a subject formed by the plurality of lenses are projected in a one-to-one relationship, the imaging section converting each of the plurality of projected images into an electric signal; and an optical aperture section including a plurality of optical apertures corresponding to the plurality of lenses in a one-to-one relationship and located oppositely to the imaging section with respect to the lens array. A difference between a linear expansion coefficient of a material used to form the lens array and a linear expansion coefficient of a material used to form the optical aperture section has an absolute value of 0.7×10?5/° C. or less.
    Type: Application
    Filed: January 9, 2009
    Publication date: March 4, 2010
    Inventors: Satoshi Tamaki, Norihiro Imamura
  • Publication number: 20090185157
    Abstract: A pattern projection light source is disclosed in which a light source (2a); a plurality of mask regions (5) in each of which a light-transmitting portion that transmits light from the light source therethrough is formed in a predetermined pattern; and a plurality of lenses (7) that each form an image of the predetermined pattern of the light-transmitting portion at a predetermined distance are arranged in this order. Since the pattern projection light source includes a plurality of projection optical systems each including a mask region and a lens, a compact and thin pattern projection light source can be realized. Moreover, provision of a plurality of lenses makes it possible to increase the imaging range of a pattern image. Furthermore, an image of the pattern of the light-transmitting portion can be formed clearly on the object.
    Type: Application
    Filed: May 21, 2007
    Publication date: July 23, 2009
    Applicant: PANASONIC CORPORATION
    Inventor: Norihiro Imamura
  • Publication number: 20090016077
    Abstract: A light guide member of the present invention is made of a light transmitting material. The light guide includes a light emitting surface 13, which extends in direction x and includes a lens surface 31 for converging light in direction y. The light guide also includes a light incident surface 11 provided at one of the ends spaced from each other in the direction x. The light emitting surface 13 includes a transitional region 13a adjacent to the light incident surface 11, where the transitional region includes the lens surface 31 and a round pillar surface 32. In the transitional region 13a, the lens surface 31 becomes less dominant in area as proceeding in the direction x toward the light incident surface 11.
    Type: Application
    Filed: December 25, 2006
    Publication date: January 15, 2009
    Applicant: ROHM Co., Ltd.
    Inventors: Hideki Sawada, Norihiro Imamura, Motoari Shoji
  • Patent number: 7453517
    Abstract: An image sensor module A1 includes a case 300, a photoelectric converter 400 positioned within the case 300, and first and second optical units 100, 200 for forming an image of a subject on the light-receiving surface of the photoelectric converter 400. Imaging of the subject using the first optical unit 100, or imaging of the subject using the second optical unit 200, can be selected. It is possible to conduct a plurality of types of imaging each having a different view angle, while restricting increases in size and cost.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: November 18, 2008
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Norihiro Imamura
  • Patent number: 7440189
    Abstract: A method of making a lens array includes a first step of forming a resin-molded piece, a second step of applying a coating to the resin-molded piece, a third step of melting the applied coating and a fourth step of solidifying the melted coating. The resin-molded piece formed in the first step includes a plurality of lenses each having a convex lens surface, and a holder portion for holding the plurality of lenses. In the second step, the coating is applied to the holder portion so as to surround each lens surface.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: October 21, 2008
    Assignee: Rohm Co., Ltd.
    Inventors: Norihiro Imamura, Hisayoshi Fujimoto, Minori Torama
  • Patent number: 7436556
    Abstract: An image reading apparatus includes a light source for illuminating an image reading region extending in the primary scanning direction, and a plurality of lenses for focusing light reflected on the image reading region and for producing reduced images. Each of the lenses has an optical axis which intersects a predetermined portion of the image reading region. The image reading apparatus further includes a plurality of light receiving elements for output of image signals based on the light focused by the lenses and a light conductor for leading the light emitted by the light source toward the image reading region. The light conductor leads the emitted light so that the predetermined portion of the image reading region is illuminated more brightly than the adjacent portions.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: October 14, 2008
    Assignee: Rohm Co., Ltd.
    Inventors: Hiroaki Onishi, Hisayoshi Fujimoto, Norihiro Imamura
  • Patent number: 7253853
    Abstract: A lighting unit is incorporated in an LC display. The lighting unit includes a light guide and a light source adjacent to the light guide. The light guide includes a rear surface facing an LC panel, a front surface opposite to the rear surface, a first side surface between the rear and the front surfaces, and a second side surface spaced widthwise from the first side surface. The light from the light source travels into the light guide, and from the first toward the second side surfaces. A reflector for reflecting the light incident on the second side surface toward the first side surface is formed on the second side surface. The front surface of the light guide is formed with first and second slant portions. Each first slant portion reflects the light, traveling from the first toward the second side surfaces, toward the rear surface of the light guide. Each second slant portion reflects the light, traveling from the second toward the first side surfaces, toward the rear surface of the light guide.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: August 7, 2007
    Assignee: Rohm Co., Ltd.
    Inventors: Norihiro Imamura, Minori Koshio
  • Patent number: 7156569
    Abstract: A wall-mounting image processing apparatus (A) includes a machine housing (90) mounted on a substantially vertical wall surface (H), and an image reading/writing head (X) disposed in the machine housing. The image reading/writing head (X) includes a substrate (4) having one surface (4A) on which a plurality of light receiving elements (4a) are arranged in a row. Part of said one surface (4A) forms an excess surface (49) projecting laterally from a head case (1), and the printing elements (4b) are arranged on the excess surface (49).
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: January 2, 2007
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi, Toshihiko Takakura, Norihiro Imamura
  • Publication number: 20050253951
    Abstract: An image sensor module A1 includes a case 300, a photoelectric converter 400 positioned within the case 300, and first and second optical units 100, 200 for forming an image of a subject on the light-receiving surface of the photoelectric converter 400. Imaging of the subject using the first optical unit 100, or imaging of the subject using the second optical unit 200, can be selected. It is possible to conduct a plurality of types of imaging each having a different view angle, while restricting increases in size and cost.
    Type: Application
    Filed: September 9, 2003
    Publication date: November 17, 2005
    Applicant: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Norihiro Imamura
  • Patent number: 6953263
    Abstract: A linear light source (A) including an insulating substrate (1), a plurality of light emitting elements (3) arranged in columns on the substrate (1), a wiring pattern (2) connected with the light emitting elements (3) and co formed on the substrate (1) so as to divide the light emitting elements (3) into a plurality of groups (B1 to Bn), and first and second terminal units (23a, 23b) in continuity with the wiring pattern (2). The plurality of light emitting elements (3) define a plurality of clearances (P1 to P2?1) between adjacent light emitting elements, the clearances (P P1 to P2?1) being adjusted so as to have different lengths.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: October 11, 2005
    Assignee: Rohm Co., Ltd.
    Inventors: Hisayoshi Fujimoto, Hiroaki Onishi, Norihiro Imamura