Patents by Inventor Kenichi Honjo

Kenichi Honjo 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: 20110141340
    Abstract: A camera system for linearly driving a focus lens group by an ultrasonic actuator in a single-lens reflex digital camera to perform focusing operation by a contrast detection method is provided. A focus lens group and an ultrasonic actuator are configured as a focus unit, and the focus lens group is supported by a guide pole, and is linearly driven by the ultrasonic actuator. The focus lens unit is mechanically connected to a zoom cam ring, so that the focus lens unit is movable to a predetermined position in an optical axis direction by zoom operation. In auto-focusing operation, contrast detection is performed by an imaging device to obtain a contrast peak, and the focus lens group is moved to a predetermined position by an electronic control method, whereby focus adjustment is performed.
    Type: Application
    Filed: May 2, 2008
    Publication date: June 16, 2011
    Inventors: Naoto Yumiki, Hironori Honsho, Hideaki Mukae, Yusuke Adachi, Kenichi Honjo
  • Patent number: 7960895
    Abstract: A vibratory actuator includes a piezoelectric element, a driver element provided on the piezoelectric element and a movable body supported by the driver element. A control unit supplies a first voltage and a second voltage at the same frequency to the piezoelectric element. By supplying the first voltage and the second voltage having a difference phase from a phase of the first voltage by 90°, the piezoelectric element is lead to composite vibration of stretching and bending, thereby causing the driver to make an elliptical motion by the vibration and move the movable body. The control unit switches, during a fine mode, a phase difference between the first voltage and the second voltage between 90° and 0°.
    Type: Grant
    Filed: May 5, 2008
    Date of Patent: June 14, 2011
    Assignee: Panasonic Corporation
    Inventors: Yusuke Adachi, Hideaki Mukae, Masaru Higashionji, Eiichi Nagaoka, Kenichi Honjo
  • Patent number: 7948549
    Abstract: A camera system 100 has an imaging optical system L, an imaging component 45, a liquid crystal monitor 16, a body microprocessor 12, an aperture setting component 29, and an image display controller 15. The body microprocessor 12 allows a target aperture value and a reference aperture value to be set as set conditions and determines the reference aperture value on the basis of the target aperture value. The aperture setting component 29 adjusts a photography condition on the basis of the set conditions. The image display controller 15 displays part of a reference image a1 acquired by the imaging component 45 at the reference aperture value as a reference display image A1 in a first display region R131 and displays part of a target image b1 acquired by the imaging component 45 at the target aperture value a1 as a target display image B1 in a second display region R132.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: May 24, 2011
    Assignee: Panasonic Corporation
    Inventors: Kenichi Honjo, Naoto Yumiki
  • Publication number: 20110103789
    Abstract: A camera body includes a housing, an imaging element and a body mount. The body mount is fixed to the housing, and has a portion to which an adapter can be mounted. The body mount is disposed at a position away from the light receiving face of the imaging element by the amount of a flange back. A lens back of an interchangeable lens unit is longer than the flange back. The flange back is shorter than the length obtained by subtracting the adapter length, which is the length of the adapter in the optical axis direction, from the lens back.
    Type: Application
    Filed: January 10, 2011
    Publication date: May 5, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: KENICHI HONJO, HIROSHI UEDA, DAI SHINTANI
  • Publication number: 20110097065
    Abstract: An imaging apparatus includes a plurality of lenses movable along an optical axis, a plurality of drivers configured to drive the plurality of lenses, respectively, and a synchronizm loss detector configured to detect a loss of synchronizm of one of the plurality of drivers. The one of the plurality of drivers is a driver that drives a lens which is heaviest in the plurality of lenses.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 28, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: KENICHI HONJO, HIDEO ONISHI
  • Publication number: 20110090391
    Abstract: A camera system 100 has an imaging optical system L, an imaging component 45, a liquid crystal monitor 16, a body microprocessor 12, an aperture setting component 29, and an image display controller 15. The body microprocessor 12 allows a target aperture value and a reference aperture value to be set as set conditions and determines the reference aperture value on the basis of the target aperture value. The aperture setting component 29 adjusts a photography condition on the basis of the set conditions. The image display controller 15 displays part of a reference image a1 acquired by the imaging component 45 at the reference aperture value as a reference display image A1 in a first display region R131 and displays part of a target image b1 acquired by the imaging component 45 at the target aperture value a1 as a target display image B1 in a second display region R132.
    Type: Application
    Filed: December 23, 2010
    Publication date: April 21, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: Kenichi Honjo, Naoto Yumiki
  • Publication number: 20110069946
    Abstract: A focus adjusting apparatus includes an optical system including a focus lens, a driver configured to move the focus lens along an optical axis of the optical system, an obtaining unit configured to periodically obtain an evaluation value of a subject image formed via the focus lens, a determining unit configured to determine a target position to which the focus lens is moved based on the evaluation value, and a controller configured to control an operation of the driver based on the determined target position. The controller controls the driver to move the focus lens at a first speed for a first period including a backlash period which is defined from start of the operation of the driver to start of an actual movement of the focus lens, and controls the driver to move the focus lens at a second speed faster than the first speed for a second period after the end of the first period.
    Type: Application
    Filed: September 16, 2010
    Publication date: March 24, 2011
    Applicant: PANASONIC CORPORATION
    Inventors: KENICHI HONJO, MITSUYOSHI OKAMOTO, KOJI SHIBUNO
  • Patent number: 7885529
    Abstract: A lens position calculator is provided that determines a phase of a driving signal as a reference position of an imaging lens when an output value of a position detection sensor reaches a threshold value. The lens position calculator determines a position obtained by performing addition or subtraction on the reference position read out from a reference position storage as a judgment position, detects an output value of the position detection sensor at a timing in synchronization with the driving signal that drives a driver and at the judgment position, and judges whether the output value of the position detection sensor at the judgment position reaches the threshold value or not, so as to determine the reference position again.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: February 8, 2011
    Assignee: Panasonic Corporation
    Inventors: Kenichi Honjo, Keiji Sakamoto, Takumi Kuwahara, Hiroyuki Kawahara
  • Publication number: 20110001871
    Abstract: An imaging apparatus capable of performing phase difference detection while allowing light to enter an imaging device is provided. An imaging unit (1) includes an imaging device (10) including light receiving sections (11b, 11b, . . . ) and a substrate (11a) on which the light receiving sections (11b, 11b, . . . ) are provided and which has through holes (18a, 18a, . . . ). The imaging device (10) is configured to perform photoelectric conversion on received light. The imaging unit (1) further includes a phase difference detection unit (2) configured to perform phase difference detection on received light which has passed through the imaging device (10) via the through holes (18a, 18a, . . . ).
    Type: Application
    Filed: February 20, 2009
    Publication date: January 6, 2011
    Inventors: Dai Shintani, Kenichi Honjo
  • Publication number: 20110001858
    Abstract: An imaging apparatus with improved convenience, which can perform various types of processing using an imaging device while performing phase difference detection, is provided. An imaging unit (1) includes an imaging device (10) for performing photoelectric conversion to convert light into an electrical signal, the imaging device (10) configured so that light passes through the imaging device (10), a phase difference detection unit (20) for receiving the light having passed through the imaging device (10) to perform phase difference detection, a focus lens group (72) for adjusting a focus position, and a body control section (5) for controlling the imaging device (10) and controlling driving of the focus lens group (72) at least based on a detection result of the phase difference detection unit. The body control section (5) performs a focus operation based on a detection result of the phase difference detection unit during exposure of the imaging device.
    Type: Application
    Filed: February 18, 2009
    Publication date: January 6, 2011
    Inventors: Dai Shintani, Kenichi Honjo, Masato Murayama
  • Patent number: 7859584
    Abstract: A camera system 100 has an imaging optical system L, an imaging component 45, a liquid crystal monitor 16, and an image display controller 15. The liquid crystal monitor 16 allows a plurality of images acquired by the imaging component 45 to be displayed. The image display controller 15 controls the display component to display an image A1, which is part of the image acquired by the imaging component 45, as a reference image A on the liquid crystal monitor 16, and to display part of the image acquired by the imaging component 45 at a different timing from that of the image A1 as a comparative image B on the liquid crystal monitor 16. The image display controller 15 controls the display component to display the image A1 as a reference image A in a state of being inverted around a symmetry axis 51a.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: December 28, 2010
    Assignee: Panasonic Corporation
    Inventors: Takeo Santo, Naoto Yumiki, Kenichi Honjo
  • Publication number: 20100310245
    Abstract: A lens position calculator is provided that determines a phase of a driving signal as a reference position of an imaging lens when an output value of a position detection sensor reaches a threshold value. The lens position calculator determines a position obtained by performing addition or subtraction on the reference position read out from a reference position storage as a judgment position, detects an output value of the position detection sensor at a timing in synchronization with the driving signal that drives a driver and at the judgment position, and judges whether the output value of the position detection sensor at the judgment position reaches the threshold value or not, so as to determine the reference position again.
    Type: Application
    Filed: August 16, 2010
    Publication date: December 9, 2010
    Applicant: Panasonic Corporation
    Inventors: Kenichi HONJO, Kouji Shibuno, Takayuki Hayashi, Keiji Sakamoto, Takumi Kuwahara, Hiroyuki Kawahara, Hironori Honsho, Naoto Yumiki, Masato Murayama
  • Publication number: 20100302411
    Abstract: A digital camera of the present invention includes a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 130 or image data obtained by subjecting the image data generated by the CMOS sensor 130 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, and the microcomputer 110 controls so that movable mirrors 121a and 121b to enter an optical path of an image pickup optical system after the amount of light from a subject is obtained based on the image data generated by the CMOS sensor 130, a strobe 137 emits light, and measurement results of an AE sensor 133 are obtained. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.
    Type: Application
    Filed: July 13, 2010
    Publication date: December 2, 2010
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Hiroshi UEDA, Kenichi HONJO, Naoto YUMIKI, Toshio MAKABE, Kenji MAEDA, Kaoru MOKUNAKA, Kazuhiko ISHIMARU
  • Publication number: 20100295955
    Abstract: A digital camera of the present invention includes a receiving portion 155 that receives a control signal from a remote controller, and a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 130 or image data obtained by subjecting the image data generated by the CMOS sensor 130 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, wherein when the receiving portion 155 receives the control signal from the remote controller, the microcomputer 110 controls so as to shift the digital camera to a live view mode. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.
    Type: Application
    Filed: July 30, 2010
    Publication date: November 25, 2010
    Applicant: Panasonic Corporation
    Inventors: Hiroshi Ueda, Kenichi Honjo, Naoto Yumiki, Toshio Makabe, Kenji Maeda, Kaoru Mokunaka, Kazuhiko Ishimaru
  • Patent number: 7835635
    Abstract: There is provided an interchangeable lens, a camera body, a camera system, and a method for controlling the same, with which a highly efficient and stable image blur correction effect can be obtained. A camera system 1 has a camera body 10 and an interchangeable lens 20 that can be attached to and detached from the camera body 10. The camera body 10 has an imaging unit for imaging a subject through the interchangeable lens 20, and a sequence microcomputer 100 capable of sending and receiving information to and from a lens microcomputer 200 and for controlling the imaging operation of an imaging unit 120.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: November 16, 2010
    Assignee: Panasonic Corporation
    Inventors: Kenichi Honjo, Makoto Azuma
  • Publication number: 20100284676
    Abstract: An imaging device disclosed herein is a device for acquiring image data about a subject, comprising an image acquisition section, a housing, a flash device, and a flash controller. The image acquisition section is configured to continuously acquire a plurality of image data from an optical image of a subject. The housing holds the image acquisition section. The flash device is configured to emit a flash of light, with which the emission angle of the flash light with respect to the housing can be varied. The flash controller is configured to control the flash device so that the emission angle of the flash light when the plurality of image data are being continuously acquired will differ for at least two image data out of the plurality of image data.
    Type: Application
    Filed: April 30, 2010
    Publication date: November 11, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Dai SHINTANI, Kenichi HONJO, Yoshihiro KANDA
  • Publication number: 20100277636
    Abstract: A focus area contains one or more areas, into which an image signal captured by an image sensor (14) is segmented by an image segmentation section (15). The focus area follows movement of an object in accordance with feature point positional information of an image extracted by a feature point extraction section (34) and a feature point positional calculation section (35). Further, after a low-pass filter (36) extracts a low frequency component of a time-series oscillation frequency using the feature point positional information, and a focus area selection section calculates a display position, the focus area is displayed on a display section (17). Therefore, an imaging device, which does not cause discomfort even when the focus area displayed on the display section (17) fluctuates by tracking movement of the object, is provided.
    Type: Application
    Filed: July 8, 2010
    Publication date: November 4, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Kenichi Honjo, Kyoichi Miyazaki, Mitsuyoshi Okamoto
  • Patent number: 7826731
    Abstract: A camera system (1) includes a camera body (1), and an interchangeable lens (2) that is detachably mounted to the camera body (1). The camera system (1) includes an imaging sensor (11), an imaging optical system (L), a viewfinder optical system (19), a liquid crystal monitor (16), a quick return mirror (4), a shaking detection unit (21), an image blur correction unit (47), a sequence microcomputer (12), and a lens microcomputer (20). The image blur correction unit (47) corrects the blurring of an image that occurs due to the movement of the camera system (1), depending on the movement that is detected by the shaking detection unit (21). The lens microcomputer (20) makes the image blur correction unit (47) perform a correction operation in the case of a monitor photographing mode.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: November 2, 2010
    Assignee: Panasonic Corporation
    Inventors: Naoto Yumiki, Kenichi Honjo
  • Publication number: 20100271531
    Abstract: A digital camera of the present invention includes a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 133 or image data obtained by subjecting the image data generated by the CMOS sensor 133 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, wherein the microcomputer 110 controls so that, when the live view mode is set, the digital camera comes out of the live view mode, and setting information on the digital camera is displayed on the liquid crystal monitor 150, in accordance with the manipulation of the manipulation portion 140. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.
    Type: Application
    Filed: July 6, 2010
    Publication date: October 28, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Hiroshi UEDA, Kenichi HONJO, Naoto YUMIKI, Toshio MAKABE, Kenji MAEDA, Kaoru MOKUNAKA, Kazuhiko ISHIMARU
  • Publication number: 20100271532
    Abstract: A digital camera of the present invention includes a microcomputer 110 having a live view mode controlling so that image data generated by a CMOS sensor 133 or image data obtained by subjecting the image data generated by the CMOS sensor 133 to predetermined processing is displayed on a liquid crystal monitor 150 as a moving image in real time, wherein the microcomputer 110 controls so that, when the live view mode is set, the digital camera comes out of the live view mode, and setting information on the digital camera is displayed on the liquid crystal monitor 150, in accordance with the manipulation of the manipulation portion 140. Due to this configuration, in a digital camera that includes a movable mirror and is capable of displaying a subject image in a live view through an electronic viewfinder, the operability thereof can be enhanced.
    Type: Application
    Filed: July 6, 2010
    Publication date: October 28, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Hiroshi UEDA, Kenichi HONJO, Naoto YUMIKI, Toshio MAKABE, Kenji MAEDA, Kaoru MOKUNAKA, Kazuhiko ISHIMARU