Patents by Inventor Yoshiyuki Okuda
Yoshiyuki Okuda 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: 11320473Abstract: A capacitance detection apparatus is provided with: a parallel circuit in which a first series circuit and a second series circuit are connected in parallel, wherein a tested body and a first resistance element are connected at a first node in the first series circuit, and a reference capacitance element and a second resistance element are connected at a second node in the second series circuit; a power supply circuit configured to apply an alternating current voltage with a specific frequency to the parallel circuit; an inductor element connected between the first node and the second node and configured to increase a phase difference in the voltage with the specific frequency between the first and second nodes; and an output device configured to output an electric signal corresponding to a capacitance of the tested body on the basis of the phase difference.Type: GrantFiled: August 22, 2016Date of Patent: May 3, 2022Assignee: PIONEER CORPORATIONInventor: Yoshiyuki Okuda
-
Publication number: 20200241117Abstract: A ranging device comprising a light source unit that emits a pulsed light; an optical scanning unit that scans a predetermined region with the pulsed light and has an intersection point where a path of the pulsed light intersects when viewing a virtual surface inside the predetermined region; a ranging unit that receives a reflected light from an object irradiated with the pulsed light to measure a distance to the object; and a control unit that controls an emission of the pulsed light to the intersection point based on a predetermined condition on the reflected light.Type: ApplicationFiled: September 21, 2018Publication date: July 30, 2020Inventors: Takanori OCHIAI, Takehisa OKUYAMA, Takuma YANAGISAWA, Yoshiyuki OKUDA
-
Publication number: 20190219622Abstract: A capacitance detection apparatus is provided with: a parallel circuit in which a first series circuit and a second series circuit are connected in parallel, wherein a tested body and a first resistance element are connected at a first node in the first series circuit, and a reference capacitance element and a second resistance element are connected at a second node in the second series circuit; a power supply circuit configured to apply an alternating current voltage with a specific frequency to the parallel circuit; an inductor element connected between the first node and the second node and configured to increase a phase difference in the voltage with the specific frequency between the first and second nodes; and an output device configured to output an electric signal corresponding to a capacitance of the tested body on the basis of the phase difference.Type: ApplicationFiled: August 22, 2016Publication date: July 18, 2019Inventor: Yoshiyuki OKUDA
-
Patent number: 9565993Abstract: The object lens 21 and the ocular lens 22 are disposed in the lens barrel unit 11 and the relay lens system 23 is disposed therebetween. The image sensor 31 is disposed in the camera unit 12 and the coaxial illumination unit 32 is disposed therearound. The focus position shift member 25 is disposed at the image formation position L1 in the lens barrel unit 11. The light from the coaxial illumination unit 32 is imaged at the image formation position L1 and is shifted to a position L2 by the focus position shift member 25. Since the position L2 positions at a position closer than a focus position, light through the object lens 21 diffuses to illuminate the object 51.Type: GrantFiled: May 10, 2013Date of Patent: February 14, 2017Assignees: PIONEER CORPORATION, NATIONAL CENTER FOR CHILD HEALTH AND DEVELOPMENTInventors: Yoshiyuki Okuda, Hiroshi Yokota, Toshio Chiba, Hiromasa Yamashita
-
Publication number: 20150157194Abstract: The object lens 21 and the ocular lens 22 are disposed in the lens barrel unit 11 and the relay lens system 23 is disposed therebetween. The image sensor 31 is disposed in the camera unit 12 and the coaxial illumination unit 32 is disposed therearound. The focus position shift member 25 is disposed at the image formation position L1 in the lens barrel unit 11. The light from the coaxial illumination unit 32 is imaged at the image formation position L1 and is shifted to a position L2 by the focus position shift member 25. Since the position L2 positions at a position closer than a focus position, light through the object lens 21 diffuses to illuminate the object 51.Type: ApplicationFiled: May 10, 2013Publication date: June 11, 2015Inventors: Yoshiyuki Okuda, Hiroshi Yokota, Toshio Chiba, Hiromasa Yamashita
-
Publication number: 20120194881Abstract: The image sensing apparatus includes an intermediate electrode disposed between the electron emission source array and the photoelectric conversion film; an intermediate-electrode current detection portion for detecting an intermediate electrode current flowing in the intermediate electrode when an electron is emitted from the electron emission source array to the photoelectric conversion film; an intermediate current complete integrator for generating an integration signal by performing complete time integration of the intermediate electrode current; and an intermediate-electrode signal generating device for generating an intermediate electrode signal by sampling the integration signal for every pixel period that is a period for supplying electrons to each of the pixel regions.Type: ApplicationFiled: August 21, 2009Publication date: August 2, 2012Applicant: PIONEER CORPORATIONInventor: Yoshiyuki Okuda
-
Patent number: 8203611Abstract: An imaging apparatus includes an electron emission array having electron sources arranged in matrix form, a photoelectric conversion film opposed to the electron emission array, and a control and drive circuit configured to select one or more horizontal scan lines in a given video signal output period and to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film, wherein the control and drive circuit is further configured to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film in any one or more blanking periods excluding both a blanking period immediately following the given video signal output period and a blanking period immediately preceding a next video signal output period in which the one or more horizontal scan lines will be selected next time.Type: GrantFiled: May 20, 2008Date of Patent: June 19, 2012Assignees: Nippon Hoso Kyokai, Hamamatsu Photonics K.K., Futaba Corporation, Pioneer CorporationInventors: Yuki Honda, Masakazu Namba, Yoshiyuki Hirano, Saburo Okazaki, Norifumi Egami, Toshihisa Watabe, Yoshiro Takiguchi, Akira Kobayashi, Shigeo Itoh, Masateru Taniguchi, Kazuhito Nakamura, Kenta Miya, Yoshiyuki Okuda, Kazuto Sakemura
-
Patent number: 8203112Abstract: A device includes an electron emission source array including a plurality of electron emission sources, a photoelectric conversion film disposed to face the electron emission source array, and an intermediate electrode provided between the electron emission source array and the photoelectric conversion film, and an intermediate electrode current detector that applies a positive potential, relative to a potential of the electron emission source array, to the intermediate electrode and detects a current flowing in the intermediate electrode.Type: GrantFiled: July 16, 2009Date of Patent: June 19, 2012Assignees: Pioneer Corporation, Nippon Hoso Kyokai, Hamamatsu Photonics K.K, Futaba CorporationInventors: Yoshiyuki Okuda, Masakazu Nanba, Norifumi Egami, Akira Kobayashi, Hideyuki Suzuki, Sigeo Itoh, Masateru Taniguchi
-
Publication number: 20120145885Abstract: An imaging apparatus which can provide a uniform magnetic field distribution in an image pickup device and can reduce the size of the device includes an electron emission source array with a plurality of electron emission sources arranged on a plane, and a translucent substrate having an optoelectronic film opposed to the electron emission source array with a space therebetween. The imaging apparatus includes a magnet portion for forming in the space a magnetic field in a direction orthogonal to each principal plane of the translucent substrate and the electron emission source array, and a magnetic force supply portion. The magnetic force supply portion has a magnetic body which is disposed on the light incident side to be opposed to the translucent substrate with a space therebetween and connected to the magnet portion, and an opening which defines an optical path that will not hinder formation of the optical image.Type: ApplicationFiled: July 15, 2009Publication date: June 14, 2012Applicant: PIONEER CORPORATIONInventors: Takanobu Sato, Yoshiyuki Okuda
-
Publication number: 20110285888Abstract: An image device is provided. The image device includes a photoelectric conversion film current detector, an offset current source, an integrator, and a sampling unit. The photoelectric conversion film current detector is coupled to the photoelectric conversion film through a capacitor and detects photoelectric conversion film current that flows as holes generated in the photoelectric conversion film combine with electrons supplied from the electron supply source array to the photoelectric conversion film. The offset current source generates an offset current and superimposes the offset current on the photoelectric conversion film current. The integrator performs time-integration of the photoelectric conversion film current on which the offset current has been superimposed to generate an integration signal. The sampling unit samples the integration signal in each of respective pixel periods of the pixel regions, in which electrons are supplied to the pixel regions, to generate an image signal.Type: ApplicationFiled: December 25, 2009Publication date: November 24, 2011Applicant: PIONEER CORPORATIONInventor: Yoshiyuki Okuda
-
Publication number: 20110278435Abstract: An image sensor comprises a photoelectric-conversion-film current detector which detects a photoelectric conversion film current produced by combination of holes generated in a photoelectric conversion film with electrons supplied from an electron supplying source array to the photoelectric conversion film; a plurality of integrators which sequentially perform temporal integration on the photoelectric conversion film current during respective corresponding pixel periods during which electrons are supplied to said pixel areas, so as to generate integral signals; and sampling means which samples the integral signals of the plurality of integrators in each of the pixel periods to generate an image signal.Type: ApplicationFiled: January 9, 2009Publication date: November 17, 2011Applicant: PIONEER CORPORATIONInventor: Yoshiyuki Okuda
-
Patent number: 7994698Abstract: An electron emitting device includes an amorphous electron supply layer, an insulating layer formed on the electron supply layer, and an electrode formed on the insulating layer. The electron emits device emitting electrons when an electric field is applied between the electron supply layer and the electrode. The electron emitting device includes a concave portion provided by notching the electrode and the insulating layer to expose the electron supply layer, and a carbon layer covering the electrode and the concave portion except for an inner portion of an exposed surface 4a of the electron supply layer and being in contact with an edge portion of the exposed surface of the electron supply layer.Type: GrantFiled: March 26, 2007Date of Patent: August 9, 2011Assignee: Pioneer CorporationInventors: Ryota Tanaka, Nobuyasu Negishi, Kazuto Sakemura, Yoshiyuki Okuda, Tomonari Nakada, Atsushi Watanabe, Takamasa Yoshikawa, Kiyohide Ogasawara
-
Patent number: 7834308Abstract: An imaging apparatus includes an electron emission array having electron sources arranged in matrix form and having a plurality of horizontal scan lines, a photoelectric conversion film opposed to the electron emission array, and a control and drive circuit configured to select one or more of the horizontal scan lines in a given video signal output period and to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film to produce a video signal, wherein the control and drive circuit is configured to cause the electron sources included in unselected one or more horizontal scan lines not selected in the given video signal output period to emit electrons toward the photoelectric conversion film in a blanking period immediately preceding the given video signal output period.Type: GrantFiled: May 20, 2008Date of Patent: November 16, 2010Assignees: Nippon Hoso Kyokai, Hamamatsu Photonics K.K., Futaba Corporation, Pioneer CorporationInventors: Masakazu Namba, Yuki Honda, Yoshiyuki Hirano, Saburo Okazaki, Norifumi Egami, Toshihisa Watabe, Yoshiro Takiguchi, Akira Kobayashi, Shigeo Itoh, Masateru Taniguchi, Kazuhito Nakamura, Kenta Miya, Yoshiyuki Okuda, Nobuyasu Negishi
-
Patent number: 7723664Abstract: An imaging apparatus includes an electron emission array having electron sources arranged in matrix form and having a plurality of horizontal scan lines, a photoelectric conversion film opposed to the electron emission array, and a control and drive circuit configured to select one or more of the horizontal scan lines in a given video signal output period and to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film to produce a video signal, wherein the control and drive circuit is configured to control electron emission of the electron emission array in a blanking period in response to a signal level of the video signal produced in the given video signal output period.Type: GrantFiled: May 20, 2008Date of Patent: May 25, 2010Assignees: Nippon Hoso Kyokai, Hamamatsu Photonics K.K., Futaba Corporation, Pioneer CorporationInventors: Yuki Honda, Masakazu Namba, Yoshiyuki Hirano, Saburo Okazaki, Norifumi Egami, Toshihisa Watabe, Yoshiro Takiguchi, Akira Kobayashi, Shigeo Itoh, Masateru Taniguchi, Kazuhito Nakamura, Kenta Miya, Takahiro Niiyama, Yoshiyuki Okuda
-
Publication number: 20100025568Abstract: A device includes an electron emission source array including a plurality of electron emission sources, a photoelectric conversion film disposed to face the electron emission source array, and an intermediate electrode provided between the electron emission source array and the photoelectric conversion film, and an intermediate electrode current detector that applies a positive potential, relative to a potential of the electron emission source array, to the intermediate electrode and detects a current flowing in the intermediate electrode.Type: ApplicationFiled: July 16, 2009Publication date: February 4, 2010Applicants: Pioneer Corporation, Nippon Hoso Kyokai, HAMAMATSU PHOTONICS K.K, Futaba CorporationInventors: Yoshiyuki Okuda, Masakazu Nanba, Norifumi Egami, Akira Kobayashi, Hideyuki Suzuki, Sigeo Itoh, Masateru Taniguchi
-
Publication number: 20090284129Abstract: [PROBLEMS] To provide an electron emitting layer with improved efficiency of electron emission and prevented damage of the device. [SOLVING MEANS] An electron emitting device including an amorphous electron supply layer 4, an insulating layer 5 formed on the electron supply layer 4, and an electrode 6 formed on the insulating layer 5, the electron emitting device emitting electrons when an electric field is applied between the electron supply layer 4 and the electrode 6, wherein the electron emitting device includes a concave portion 7 provided by notching the electrode 6 and the insulating layer 5 to expose the electron supply layer 4, and a carbon layer 8 covering the electrode 6 and the concave portion 7 except for an inner portion 4b of an exposed surface 4a of the electron supply layer 4 and being in contact with an edge portion 4c of the exposed surface 4a of the electron supply layer 4.Type: ApplicationFiled: March 26, 2007Publication date: November 19, 2009Inventors: Ryota Tanaka, Nobuyasu Negishi, Kazuto Sakemura, Yoshiyuki Okuda, Tomonari Nakada, Atsushi Watanabe, Takamasa Yoshikawa, Kiyohide Ogasawara
-
Publication number: 20080291308Abstract: An imaging apparatus includes an electron emission array having electron sources arranged in matrix form and having a plurality of horizontal scan lines, a photoelectric conversion film opposed to the electron emission array, and a control and drive circuit configured to select one or more of the horizontal scan lines in a given video signal output period and to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film to produce a video signal, wherein the control and drive circuit is configured to control electron emission of the electron emission array in a blanking period in response to a signal level of the video signal produced in the given video signal output period.Type: ApplicationFiled: May 20, 2008Publication date: November 27, 2008Applicants: Nippon Hoso Kyokai, Hamamatsu Photonics K.K., Futaba Corporation, Pioneer CorporationInventors: Yuki HONDA, Masakazu Namba, Yoshiyuki Hirano, Saburo Okazaki, Norifumi Egami, Toshihisa Watabe, Yoshiro Takiguchi, Akira Kobayashi, Shigeo Itoh, Masateru Taniguchi, Kazuhito Nakamura, Kenta Miya, Takahiro Niiyama, Yoshiyuki Okuda
-
Publication number: 20080291307Abstract: An imaging apparatus includes an electron emission array having electron sources arranged in matrix form, a photoelectric conversion film opposed to the electron emission array, and a control and drive circuit configured to select one or more horizontal scan lines in a given video signal output period and to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film, wherein the control and drive circuit is further configured to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film in any one or more blanking periods excluding both a blanking period immediately following the given video signal output period and a blanking period immediately preceding a next video signal output period in which the one or more horizontal scan lines will be selected next time.Type: ApplicationFiled: May 20, 2008Publication date: November 27, 2008Applicants: Nippon Hoso Kyokai, Hamamatsu Photonics K.K., Futaba Corporation, Pioneer CorporationInventors: Yuki Honda, Masakazu Namba, Yoshiyuki Hirano, Saburo Okazaki, Norifumi Egami, Toshihisa Watabe, Yoshiro Takiguchi, Akira Kobayashi, Shigeo Itoh, Masateru Taniguchi, Kazuhito Nakamura, Kenta Miya, Yoshiyuki Okuda, Kazuto Sakemura
-
Publication number: 20080290254Abstract: An imaging apparatus includes an electron emission array having electron sources arranged in matrix form and having a plurality of horizontal scan lines, a photoelectric conversion film opposed to the electron emission array, and a control and drive circuit configured to select one or more of the horizontal scan lines in a given video signal output period and to cause the electron sources included in the selected one or more horizontal scan lines to emit electrons toward the photoelectric conversion film to produce a video signal, wherein the control and drive circuit is configured to cause the electron sources included in unselected one or more horizontal scan lines not selected in the given video signal output period to emit electrons toward the photoelectric conversion film in a blanking period immediately preceding the given video signal output period.Type: ApplicationFiled: May 20, 2008Publication date: November 27, 2008Applicants: Nippon Hoso Kyokai, Hamamatsu Photonics K.K., Futaba Corporation, PIONEER CORPORATIONInventors: Masakazu NAMBA, Yuki Honda, Yoshiyuki Hirano, Saburo Okazaki, Norifumi Egami, Toshihisa Watabe, Yoshiro Takiguchi, Akira Kobayashi, Shigeo Itoh, Masateru Taniguchi, Kazuhito Nakamura, Kenta Miya, Yoshiyuki Okuda, Nobuyasu Negishi
-
Publication number: 20080211401Abstract: An electron emission device including a lower electrode on a near side to a substrate and an upper electrode on a far side to the substrate and an insulator layer and an electron supply layer stacked between the lower electrode and the upper electrode and emitting an electron from the upper electrode side at the time of applying a voltage between the lower electrode and the upper electrode, which includes an electron emission part provided with an opening formed by an inner wall of a stepped shape in which a thickness of the insulator layer decreases stepwise; and a carbon-containing carbon region which is connected to the upper electrode side and which is brought into contact with the insulator layer and the electron supply layer.Type: ApplicationFiled: November 15, 2005Publication date: September 4, 2008Inventors: Tomonari Nakada, Nobuyasu Negishi, Kazuto Sakemura, Yoshiyuki Okuda, Saburo Aso, Atsushi Watanabe, Takamasa Yoshikawa, Kiyohide Ogasawara