Patents by Inventor Masataka Hamada

Masataka Hamada 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: 10542216
    Abstract: Provided are a digital photographing apparatus and a method of controlling the same. The digital photographing apparatus includes a snap motion picture capturing mode and is capable of capturing a short-time motion picture using the same sequence as capturing of still images by pressing a capture start button.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: January 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Publication number: 20190174061
    Abstract: Provided are a digital photographing apparatus and a method of controlling the same. The digital photographing apparatus includes a snap motion picture capturing mode and is capable of capturing a short-time motion picture using the same sequence as capturing of still images by pressing a capture start button.
    Type: Application
    Filed: February 12, 2019
    Publication date: June 6, 2019
    Inventor: Masataka HAMADA
  • Patent number: 10237480
    Abstract: Provided are a digital photographing apparatus and a method of controlling the same. The digital photographing apparatus includes a snap motion picture capturing mode and is capable of capturing a short-time motion picture using the same sequence as capturing of still images by pressing a capture start button.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: March 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Patent number: 9914613
    Abstract: In a sheet discharge mechanism for enabling a wide range of sheets stored on a sheet discharge tray from a processing section, a brake lever for reducing a velocity of a sheet fed from a sheet discharge outlet is held detachably relative to an attachment frame above the sheet discharge tray, and it is possible to select whether brake action is made corresponding to sheet discharge conditions. A sheet discharge mechanism includes a sheet discharge path having a sheet discharge outlet, a sheet discharge tray disposed on the downstream side of the sheet discharge outlet with a level difference, and a brake section of a sheet carried out at the sheet discharge outlet, wherein the brake section includes a lever member in which its base end portion is axially supported by an attachment frame, and its front end portion moves up and down corresponding to a load amount of sheets.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: March 13, 2018
    Assignee: CANON FINETECH NISCA INC.
    Inventors: Masaaki Shinohara, Junya Ozawa, Naoto Takeshita, Hiroyuki Hirokawa, Masataka Hamada
  • Patent number: 9798951
    Abstract: Provided is an apparatus for measuring a distance change, the apparatus including an information acquisition unit, an object determination unit, a feature point determination unit, an optical flow calculator, a matching point determination unit, an object length change calculator that calculates a length change ratio between an object of a first frame image and an object of a second frame image by using a feature point and a matching point, and a distance change calculator that calculates a change from a distance between a camera and the object from when the camera acquires the first frame image and when the camera acquires the second frame image using the calculated length change ratio.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: October 24, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Jong-hoon Won, Kazuhiko Sugimoto, Masataka Hamada, Chang-su Kim, Yeong-jun Koh, Dae-youn Lee, Chul Lee
  • Patent number: 9667856
    Abstract: An auto focus (AF) adjusting method, an AF adjusting apparatus, and a digital photographing apparatus including the same, the AF adjusting apparatus including: an AF calculator for calculating focus detection evaluation values; a peak detector for detecting a peak position of the focus detection evaluation values; and a speed calculator for calculating a moving speed of a subject by using the peak position. When continuous photographing of still images is performed, the peak detector detects the peak position in an image pickup interval before a light exposure preparation interval for image capturing, and the focus lens driver performs moving body compensation driving for compensating for a focal position by using a moving speed calculated in the light exposure preparation interval before capturing starts.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: May 30, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Patent number: 9615018
    Abstract: A digital image processing apparatus and a method of controlling the same are provided. The method of controlling an image plane phase difference digital image processing apparatus, the method includes, in a continuous photographing mode for continuously capturing still images, performing a first focus detection by detecting phase difference of an image captured during a first image capture; performing a second focus detection by detecting phase difference of an image captured during a second image capture; determining moving speed of an object based on results of the first focus detection and the second focus detection; and correcting focus location by driving a focusing lens based on the determined moving speed of the object.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: April 4, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Patent number: 9538067
    Abstract: An imaging device including 2-dimensionally arranged pixels for receiving light is provided. The imaging device includes a first area configured to detect a horizontal phase difference based on horizontal phase difference information obtained from pixels configured to detect the horizontal phase difference, a second area configured to detect a vertical phase difference based on vertical phase difference information obtained from pixels configured to detect the vertical phase difference, and a third area configured to detect horizontal and vertical phase differences based on horizontal phase difference information and vertical phase difference information obtained from pixels configured to detect the horizontal and vertical phase differences, wherein the first area is adjacent to a horizontal border of the third area, wherein the second area is adjacent to a vertical border of the third area, and wherein the third area is located at a center of the imaging device.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: January 3, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Patent number: 9525833
    Abstract: An imaging device includes phase difference detection pixels. The imaging device receives an image formed by an optical system and includes a plurality of pixels that are two-dimensionally arranged. Each of the plurality of pixels include a micro lens; a photoelectric conversion unit positioned below the micro lens; and an optical aperture disposed between the micro lens and the photoelectric conversion unit and that is eccentric with respect to an optical axis of the micro lens, wherein the plurality of pixels of the imaging device output a signal for obtaining phase difference. The imaging device performs phase difference detection on the entire surface of a captured image without addition of pixels.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: December 20, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Publication number: 20160286126
    Abstract: Provided are a digital photographing apparatus and a method of controlling the same. The digital photographing apparatus includes a snap motion picture capturing mode and is capable of capturing a short-time motion picture using the same sequence as capturing of still images by pressing a capture start button.
    Type: Application
    Filed: June 13, 2016
    Publication date: September 29, 2016
    Inventor: Masataka Hamada
  • Patent number: 9451146
    Abstract: A focus detecting apparatus includes: a lens; a light-transmitting unit; a light-receiving unit; and an optical film that transmits a beam of light passing through the lens and includes a holographic optical element, a diffractive optical element, or a pellicle mirror, wherein a beam of light from the light-transmitting unit is reflected on a reflection mirror including the optical film, passes through a first exit pupil area on one side of an optical axis, and is transmitted to the subject, a beam of reflected light of light irradiated onto the subject passes through a second exit pupil area on another side of the optical axis, is reflected on the reflection mirror and received by the light-receiving unit, and a focal position is obtained using position information of the beam of light received by the light-receiving unit. Autofocusing can be continuously performed during continuous photographing operation and in low brightness environment.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: September 20, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Patent number: 9420159
    Abstract: A digital photographing apparatus includes: an image pickup lens; an image pickup device that generates an image signal; an iris that controls an amount of the light transmitted through the image pickup lens; a shutter that controls exposure; a focus detector that detects focus using light transmitted through a predetermined exit pupil region of the lens; and a timing unit that controls a time for closing and/or opening the shutter, when the image pickup device outputs image information, where regardless of the time for closing and/or opening the shutter, the focus detector detects a focus when the iris has an iris value for ensuring transmission of a light flux used to detect the focus, after the exposure is finished. To precisely perform auto focus (AF), the digital photographing apparatus performs continuous AF or simultaneously displays a live view in consideration of timing for adjusting the iris and timing for controlling the shutter.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: August 16, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Publication number: 20160185555
    Abstract: In a sheet discharge mechanism for enabling a wide range of sheets stored on a sheet discharge tray from a processing section, a brake lever for reducing a velocity of a sheet fed from a sheet discharge outlet is held detachably relative to an attachment frame above the sheet discharge tray, and it is possible to select whether brake action is made corresponding to sheet discharge conditions. A sheet discharge mechanism includes a sheet discharge path having a sheet discharge outlet, a sheet discharge tray disposed on the downstream side of the sheet discharge outlet with a level difference, and a brake section of a sheet carried out at the sheet discharge outlet, wherein the brake section includes a lever member in which its base end portion is axially supported by an attachment frame, and its front end portion moves up and down corresponding to a load amount of sheets.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 30, 2016
    Inventors: Masaaki SHINOHARA, Junya OZAWA, Naoto TAKESHITA, Hiroyuki HIROKAWA, Masataka HAMADA
  • Patent number: 9369631
    Abstract: Provided are a digital photographing apparatus and a method of controlling the same. The digital photographing apparatus includes a snap motion picture capturing mode and is capable of capturing a short-time motion picture using the same sequence as capturing of still images by pressing a capture start button.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: June 14, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Patent number: 9357095
    Abstract: Provided are: an illumination device having a configuration in which a temperature rise of a radiation member is suppressed in a limited volume to thereby maintain a temperature of an LED at a predetermined value or less and an image reading device provided with the illumination device.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: May 31, 2016
    Assignee: NISCA CORPORATION
    Inventors: Shinnosuke Enomoto, Seiji Nishizawa, Masataka Hamada
  • Patent number: 9315347
    Abstract: A sheet supply device includes a sheet supply tray, a delivery roller contacting a topmost surface of a sheet bundle on the sheet supply tray to deliver the sheet, and separation means feeding the sheet delivered by the delivery roller one by one in a separated manner. The sheet supply device further includes an elevating tray freely elevated/lowered to support a leading end side of the sheet bundle placed on the sheet supply tray and to move the topmost surface of the sheet bundle to a delivery position, a first drive section elevating/lowering the elevating tray, a second drive section elevating/lowering the delivery roller, and a controller controlling the first and second drive sections to elevate the elevating tray until the topmost surface of the sheet bundle reaches the delivery position and thereafter lower the delivery roller to a position contacting the topmost surface of the sheet bundle.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: April 19, 2016
    Assignees: XEROX CORPORATION, NISCA CORPORATION
    Inventors: Masataka Hamada, Junya Nakajima, Koji Kanda
  • Patent number: 9311563
    Abstract: A method of generating a saliency image, which includes: converting an input image into an input image of the first size and an input image of the second size; applying a saliency extraction scheme to the input image of the first size to generate a first saliency image; converting the first saliency image to the second size; extracting an area that satisfies a first condition from the converted first saliency image; determining an area of the input image of the second size that corresponds to the extracted area; and generating a second saliency image by multiplying an image generated by applying the saliency extraction scheme to the determined area, and the converted first saliency image.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: April 12, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Jong-hoon Won, Jun-seong Kim, Chang-su Kim, Kazuhiko Sugimoto, Masataka Hamada
  • Patent number: 9298063
    Abstract: A photographing system including a photographing device for capturing an image, and a lighting device that is capable of being mounted on the photographing device is provided. The lighting device includes a plurality of light sources configured as a solid state light-emitting device, and has a photographing auxiliary light function for allowing the solid state light-emitting device to be turned on to emit light during photographing and an autofocus (AF) auxiliary light function for allowing the solid state light-emitting device to be turned on to emit a predetermined amount of light when contrast AF is performed. And at least part of the light sources is shared when the photographing auxiliary light function and the AF auxiliary light function are performed.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: March 29, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Patent number: 9288383
    Abstract: Provided are a focusing apparatus for generating an image signal by converting image light incident through a focus lens to an electrical signal by an image pickup device, storing the image signal in a memory, calculating an AF evaluation value for an image signal read from the memory in a direction different from a reading direction of the image pickup device, and driving the focus lens by deriving a focus lens position corresponding to the calculated AF evaluation value, a focusing method thereof, and a recording medium for recording the focusing method. Accordingly, a focus can be correctly adjusted for various subject images, and a focus can be effectively adjusted for the images even in a high speed capturing mode.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: March 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Masataka Hamada
  • Publication number: 20160073009
    Abstract: An auto focus (AF) adjusting method, an AF adjusting apparatus, and a digital photographing apparatus including the same, the AF adjusting apparatus including: an AF calculator for calculating focus detection evaluation values; a peak detector for detecting a peak position of the focus detection evaluation values; and a speed calculator for calculating a moving speed of a subject by using the peak position. When continuous photographing of still images is performed, the peak detector detects the peak position in an image pickup interval before a light exposure preparation interval for image capturing, and the focus lens driver performs moving body compensation driving for compensating for a focal position by using a moving speed calculated in the light exposure preparation interval before capturing starts.
    Type: Application
    Filed: September 9, 2015
    Publication date: March 10, 2016
    Inventor: Masataka Hamada