Patents by Inventor Manabu Murayama

Manabu Murayama 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: 20160139405
    Abstract: An oscillation device includes an oscillator, an oscillation detection unit that detects oscillation of the oscillator and outputs an oscillation detection signal, and a drive unit that generates a drive signal in keeping with the oscillation detection signal and outputs the drive signal to the oscillator. The drive unit includes a phase shift unit that shifts the phase to provide the drive signal as positive feedback to the oscillator. The phase shift unit includes a disturbance generating unit that outputs the periodic signal, a fluctuation unit that causes the amount of phase shift to fluctuate based on the periodic signal, a drive amplitude detection unit that detects the amplitude of the drive signal and outputs a drive amplitude signal, a product detection unit that outputs a detection signal after performing product detection on the drive amplitude signal based on the periodic signal, and an adjustment unit that adjusts the phase-shift amount based on the detection signal.
    Type: Application
    Filed: January 28, 2016
    Publication date: May 19, 2016
    Inventors: Ryusuke HORIBE, Naoki INOUE, Manabu MURAYAMA
  • Patent number: 9306494
    Abstract: An oscillation device includes an oscillator, an oscillation detection unit that detects oscillation of the oscillator and outputs an oscillation detection signal, and a drive unit that generates a drive signal in keeping with the oscillation detection signal and outputs the drive signal to the oscillator. The drive unit includes a phase shift unit that shifts the phase to provide the drive signal as positive feedback to the oscillator. The phase shift unit includes a disturbance generating unit that outputs the periodic signal, a fluctuation unit that causes the amount of phase shift to fluctuate based on the periodic signal, a drive amplitude detection unit that detects the amplitude of the drive signal and outputs a drive amplitude signal, a product detection unit that outputs a detection signal after performing product detection on the drive amplitude signal based on the periodic signal, and an adjustment unit that adjusts the phase-shift amount based on the detection signal.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: April 5, 2016
    Assignee: Funai Electric Co., Ltd.
    Inventors: Ryusuke Horibe, Naoki Inoue, Manabu Murayama
  • Publication number: 20160033626
    Abstract: A laser rangefinder includes a light source, a scanning mirror that scans laser light emitted from the light source by oscillating about an axis of oscillation J extending in a predetermined direction, a first lens that is disposed on an optical path of reflected light from a target object and condenses the reflected light onto the scanning mirror, a second lens that is disposed on an optical path of and condenses reflected light from the scanning mirror, and a photodetector that receives the reflected light condensed by the second lens. The first lens and the second lens are disposed in positions other than positions on an optical path of the laser light between a point of emission from the light source and a point of exit from the laser rangefinder.
    Type: Application
    Filed: July 31, 2015
    Publication date: February 4, 2016
    Inventors: Tomohisa HIRAI, Ryusuke HORIBE, Manabu MURAYAMA, Shingo SETONO, Yuichiro MASUDA, Atsushi MUSHIMOTO, Fumitoshi MATSUNO
  • Publication number: 20160033761
    Abstract: A scanner apparatus includes: a scanner having a mirror that is driven into resonance in a first direction; a scanner holder holding the scanner and rotatable about an axis extending in a direction parallel to the first direction; and a driver that oscillates the scanner holder, and the scanner holder includes: a first holding portion holding the scanner; a second holding portion connected to the first holding portion and holding the driver; a connecting portion connected to the second holding portion; and an elastic portion connected to the connecting portion and having elasticity.
    Type: Application
    Filed: July 29, 2015
    Publication date: February 4, 2016
    Inventors: Manabu MURAYAMA, Ryusuke HORIBE, Shingo SETONO, Tomohisa HIRAI, Yuichiro MASUDA, Atsushi MUSHIMOTO, Fumitoshi MATSUNO
  • Publication number: 20160018256
    Abstract: A laser scanner includes: a light source; a scanning mirror that scans laser light emitted from the light source, toward a target object by oscillating about axis C; a photodetector that generates a photodetection signal upon receiving the laser light reflected from the target object; a controller that controls emission of the laser light by the light source, and that performs sampling on the photodetection signal; and a detector that detects an amount of displacement of the scanning mirror, and calculates a resonant frequency of the scanning mirror based on the amount of displacement detected. The controller determines a time at which the laser light is emitted from the light source and a time at which sampling is performed on the photodetection signal, based on the resonant frequency calculated.
    Type: Application
    Filed: July 16, 2015
    Publication date: January 21, 2016
    Inventors: Atsushi MUSHIMOTO, Ryusuke HORIBE, Manabu MURAYAMA, Yuichiro MASUDA, Tomohisa HIRAI, Shingo SETONO
  • Publication number: 20160011311
    Abstract: A laser scanner includes a light source, a scanning mirror, and a first photodetector. The scanning mirror includes: a first reflective surface reflects the laser light from the light source; and a second reflective surface that reflects, toward the photodetector, the laser light reflected from the target object. The first reflective surface and at least part of the second reflective surface are disposed at mutually different angles. When a first optical axis passing through the target object and the first reflective surface is parallel with a second optical axis passing through the target object and the second reflective surface, a third optical axis passing through the first reflective surface and the light source and a fourth optical axis passing through the second reflective surface and the photodetector are at a predetermined angle relative to one another.
    Type: Application
    Filed: July 14, 2015
    Publication date: January 14, 2016
    Inventors: Atsushi MUSHIMOTO, Ryusuke HORIBE, Manabu MURAYAMA, Yuichiro MASUDA, Tomohisa HIRAI, Shingo SETONO, Fumitoshi MATSUNO
  • Publication number: 20160003945
    Abstract: A laser rangefinder includes: a MEMS mirror that changes a traveling direction of laser light; a first photodetector that reflects a portion of the laser light directed in a predetermined direction by the MEMS mirror and receives another portion of the laser light; a second photodetector that receives first reflected light that is reflection of the laser light from a target object outside an enclosure and second reflected light that is reflection of the portion of the laser light from the first photodetector; and a signal processor that calculates a distance from the laser rangefinder to the target object by subtracting, from a first distance from the laser diode to the target object calculated using the first reflected light, a second distance from the laser diode to the first photodetector calculated using the second reflected light, and calculates a direction of the target object with respect to the laser rangefinder.
    Type: Application
    Filed: July 2, 2015
    Publication date: January 7, 2016
    Inventors: Shingo SETONO, Ryusuke HORIBE, Manabu MURAYAMA, Yuichiro MASUDA, Tomohisa HIRAI, Atsushi MUSHIMOTO, Fumitoshi MATSUNO
  • Publication number: 20150369920
    Abstract: An electronic apparatus includes a light source that outputs a laser light; a scanning unit that scans the laser light; a reflective member having a reflective surface that reflects the laser light; a light-receiving unit that receives a first reflected light reflected by the reflective member; and a signal processing unit that calculates a distance from the light source to the reflective surface using the first reflected light and determines a direction in which the laser light is output using the distance.
    Type: Application
    Filed: June 18, 2015
    Publication date: December 24, 2015
    Applicant: Funai Electric Co., Ltd.
    Inventors: Shingo Setono, Ryusuke Horibe, Manabu Murayama, Yuichiro Masuda, Tomohisa Hirai, Atsushi Mushimoto
  • Patent number: 9134115
    Abstract: A vibrating mirror element includes a drive control portion configured to control the driving of a correction drive portion to keep the turning angle velocity of a mirror portion substantially constant by oscillating the mirror portion about an axis at a non-resonance frequency in a direction opposite to a direction in which a resonant drive portion oscillates the mirror portion.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: September 15, 2015
    Assignee: Funai Electric Co., Ltd.
    Inventor: Manabu Murayama
  • Publication number: 20150029490
    Abstract: A laser scanning device includes a light source and a light scanner that scans a laser light emitted from the laser light source. The light source emits the laser light so that the laser light is incident to the light scanner from a plurality of directions.
    Type: Application
    Filed: July 17, 2014
    Publication date: January 29, 2015
    Inventors: Ryusuke Horibe, Manabu Murayama
  • Publication number: 20150021483
    Abstract: A vibrating mirror element includes a drive control portion configured to control the driving of a correction drive portion to keep the turning angle velocity of a mirror portion substantially constant by oscillating the mirror portion about an axis at a non-resonance frequency in a direction opposite to a direction in which a resonant drive portion oscillates the mirror portion.
    Type: Application
    Filed: June 12, 2014
    Publication date: January 22, 2015
    Inventor: Manabu MURAYAMA
  • Patent number: 8917434
    Abstract: There is provided a vibrating mirror element capable of inhibiting flexural deformation of a support portion. This vibrating mirror element (100) includes a mirror portion (10), a deformable driving portion (41, 43, 45, 51, 53, 55), and a support portion (42, 44, 46, 52, 54, 56) connected with a first connecting portion (41c, 43d, 45d, 51c, 53d, 55d) of the driving portion on the side of a first end portion (42a, 44a, 46a, 52a, 54a, 56a), while the thickness of the support portion is larger than the thickness of the driving portion.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: December 23, 2014
    Assignee: Funai Electric Co., Ltd.
    Inventors: Hidetoshi Kotera, Isaku Kanno, Manabu Murayama, Hitoshi Fujii
  • Publication number: 20140355089
    Abstract: In a MEMS device (1), a first drive portion (40) is divided into a first drive section (41) and a second drive section (42). A second drive portion (50) is divided into a third drive section (51) and a fourth drive section (52). The first drive section, the second drive section, the third drive section, and the fourth drive section are controlled for driving independently of each other to incline an optical component (10).
    Type: Application
    Filed: January 8, 2013
    Publication date: December 4, 2014
    Inventors: Manabu Murayama, Kouichi Kugo, Naoki Inoue, Hitoshi Fujii
  • Publication number: 20140340720
    Abstract: An oscillation device includes an oscillator, an oscillation detection unit that detects oscillation of the oscillator and outputs an oscillation detection signal, and a drive unit that generates a drive signal in keeping with the oscillation detection signal and outputs the drive signal to the oscillator. The drive unit includes a phase shift unit that shifts the phase to provide the drive signal as positive feedback to the oscillator. The phase shift unit includes a disturbance generating unit that outputs the periodic signal, a fluctuation unit that causes the amount of phase shift to fluctuate based on the periodic signal, a drive amplitude detection unit that detects the amplitude of the drive signal and outputs a drive amplitude signal, a product detection unit that outputs a detection signal after performing product detection on the drive amplitude signal based on the periodic signal, and an adjustment unit that adjusts the phase-shift amount based on the detection signal.
    Type: Application
    Filed: May 12, 2014
    Publication date: November 20, 2014
    Applicant: Funai Electric Co., Ltd.
    Inventors: Ryusuke HORIBE, Naoki INOUE, Manabu MURAYAMA
  • Patent number: 8866803
    Abstract: A scanning position of laser light applied to a projection plane is detected, and based on the detected scanning position, a synchronization signal is generated to designate a scan timing. A correction region detection portion detects whether or not a part corresponding to a prescribe region of an image on the projection plane is scanned by laser light, based on the generated synchronization signal. When the part corresponding to the prescribed region is scanned, a correction amount derivation portion corrects a gradation signal based on the difference between the detected quantity of laser light and a prescribed quantity of light to be output from the laser for displaying the image in the prescribed region.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: October 21, 2014
    Assignee: Funai Electric Co., Ltd.
    Inventors: Atsuhiko Chikaoka, Ken Nishioka, Tomohisa Hirai, Manabu Murayama
  • Patent number: 8867114
    Abstract: This vibrating mirror element (100) includes a mirror portion (10), a first driving portion (41), being cantilevered, including a first fixed end (41a) formed on a first side of a first direction and a first free end (41b) formed on a second side thereof, and linearly extending, a first mirror support portion (46) capable of supporting the mirror portion (10) in an inclined state, a second driving portion (51), being cantilevered, including a second fixed end (51a) formed on the second side of the first direction and a second free end (51b) formed on the first side thereof, being point-symmetrical to the first driving portion with respect to the center of a mirror, and linearly extending, and a second mirror support portion (56) being point-symmetrical to the first mirror support portion with respect to the center of the mirror and capable of supporting the mirror portion in an inclined state.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: October 21, 2014
    Assignee: Funai Electric Co., Ltd.
    Inventors: Isaku Kanno, Hidetoshi Kotera, Manabu Murayama, Naoki Inoue
  • Publication number: 20140198259
    Abstract: A vibrating mirror device includes a mirror portion, a driving portion including a detecting electrode that detects an amount of deformation of a piezoelectric element when driving the mirror portion by applying a voltage to cause the piezoelectric element to deform, an insulating layer formed on a top face of the piezoelectric element, and a first lead interconnection that is formed on the top face of the insulating layer, that contacts the detecting electrode, and that extends to a region outside of the driving portion.
    Type: Application
    Filed: December 18, 2013
    Publication date: July 17, 2014
    Applicant: FUNAI ELECTRIC CO., LTD.
    Inventors: Manabu Murayama, Kouichi Kugo, Naoki Inoue
  • Publication number: 20140198095
    Abstract: A vibrating mirror element includes a mirror portion that reflects light and is tiltable around a rotational axis, a tiltable frame portion connected to a mirror end portion of the mirror portion at a position on an intersecting line that intersects with the rotational axis, a driving portion that includes a piezoelectric element that deforms through application of a voltage, and a connecting portion that connects the frame portion and the driving portion and is tiltable through deformation of the piezoelectric element of the driving portion. The frame portion can be tilted by tilting the connecting portion, and the mirror portion can be tilted by tilting the frame portion.
    Type: Application
    Filed: December 18, 2013
    Publication date: July 17, 2014
    Applicant: FUNAI ELECTRIC CO., LTD.
    Inventor: Manabu Murayama
  • Publication number: 20140198260
    Abstract: A vibrating mirror element includes a mirror part that reflects light and is tiltable around a rotation axis, a first deformable coupling beam and a second deformable coupling beam connected respectively to a first mirror end portion and a second mirror end portion of the mirror part positioned on an intersection line that intersects the rotation axis, and a first drive part and a second drive part that each include a piezoelectric element that deforms by voltage application, the first drive part and a second drive part connected respectively to the first deformable coupling beam and the second deformable coupling beam.
    Type: Application
    Filed: December 17, 2013
    Publication date: July 17, 2014
    Applicant: FUNAI ELECTRIC CO., LTD.
    Inventor: Manabu Murayama
  • Patent number: 8482832
    Abstract: This vibrating mirror element includes a mirror portion reflecting light, a torsionally deformable beam portion connected to the mirror portion for supporting the mirror portion in a vibratile manner, and a driving portion having a connecting portion connected with the beam portion for driving the mirror portion through the torsionally deformable beam portion. The width of the connecting portion of the driving portion is rendered smaller than the width of a portion of the driving portion other than the connecting portion in plan view.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: July 9, 2013
    Assignee: Funai Electric Co., Ltd.
    Inventors: Hidetoshi Kotera, Isaku Kanno, Manabu Murayama, Naoki Inoue