Patents by Inventor Tomoharu Ogihara
Tomoharu Ogihara 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).
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Patent number: 10980405Abstract: An imaging device includes: a pixel unit including a plurality of pixels that are arranged in a two-dimensional matrix, each pixel being configured to generate an imaging signal corresponding to an amount of light received and output the image signal; an A/D converter configured to conduct A/D conversion on the imaging signal generated by the pixel unit or on a drive power for driving the pixel unit, to generate a digital signal and output the digital signal to an external unit; a switch that is capable of switching a connection of the A/D converter to the pixel unit or a transmission line for transmitting the drive power; and a first controller configured to control the switch to connect the A/D converter to the transmission line in predetermined timing to cause the A/D converter to output a voltage value of the drive power to the external unit.Type: GrantFiled: December 14, 2018Date of Patent: April 20, 2021Assignee: OLYMPUS CORPORATIONInventors: Tomoharu Ogihara, Fumiyuki Okawa, Keisuke Tsutsui, Keisuke Ogawa
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Publication number: 20200077871Abstract: An endoscopic system comprises an image capturing device. The image capturing device captures an image of an examinee and generates a captured image signal with respect to the examinee. A control device is connected to the endoscope. A first controller is disposed in the endoscope and having a first sender/receiver communicating with the control device during a predetermined period when the endoscope is connected to the control device so as to send a plurality of parameters for driving the image capturing device to the control device. A second controller is disposed in the control device and having a second sender/receiver receiving the parameters sent from the first controller during the predetermined period when the endoscope is connected to the control device. An output value controller is disposed in the control device and setting predetermined output values relative to the control device required to drive the image capturing device.Type: ApplicationFiled: November 13, 2019Publication date: March 12, 2020Applicant: Olympus CorporationInventors: Tomoharu Ogihara, Keisuke Tsutsui
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Patent number: 10548461Abstract: An endoscope apparatus includes image sensors, a power supply unit, a failure detection unit, and a controller. The power supply unit supplies power independently to the image sensors. The failure detection unit detects a failure in each of the image sensors. The controller controls the power supply unit to stop power supply to an image sensor in which a failure is detected at the failure detection unit.Type: GrantFiled: May 24, 2016Date of Patent: February 4, 2020Assignee: OLYMPUS CORPORATIONInventors: Tomoharu Ogihara, Fumiyuki Okawa, Keisuke Tsutsui, Keisuke Ogawa
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Publication number: 20190117053Abstract: An imaging device includes: a pixel unit including a plurality of pixels that are arranged in a two-dimensional matrix, each pixel being configured to generate an imaging signal corresponding to an amount of light received and output the image signal; an A/D converter configured to conduct A/D conversion on the imaging signal generated by the pixel unit or on a drive power for driving the pixel unit, to generate a digital signal and output the digital signal to an external unit; a switch that is capable of switching a connection of the A/D converter to the pixel unit or a transmission line for transmitting the drive power; and a first controller configured to control the switch to connect the A/D converter to the transmission line in predetermined timing to cause the A/D converter to output a voltage value of the drive power to the external unit.Type: ApplicationFiled: December 14, 2018Publication date: April 25, 2019Applicant: OLYMPUS CORPORATIONInventors: Tomoharu OGIHARA, Fumiyuki OKAWA, Keisuke TSUTSUI, Keisuke OGAWA
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Patent number: 9960775Abstract: A processing apparatus includes an FPGA unit connected to an oscillator configured to output a first clock, wherein the FPGA unit includes: a PLL circuit configured to output a second clock with a frequency of a predetermined ratio with respect to a frequency of the first clock and configured to output a lock signal (detection signal); an input and output monitoring unit configured to detect a ratio between the frequencies of the first clock and the second clock, compare the detected ratio with the predetermined ratio, and output an abnormal signal when the detected ratio does not coincide with the predetermined ratio; and an initialization unit configured to output a reset signal when the input and output monitoring unit outputs the abnormal signal and configured to output the reset signal when the PLL circuit outputs the lock signal.Type: GrantFiled: June 16, 2017Date of Patent: May 1, 2018Assignee: OLYMPUS CORPORATIONInventor: Tomoharu Ogihara
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Publication number: 20170288684Abstract: A processing apparatus includes an FPGA unit connected to an oscillator configured to output a first clock, wherein the FPGA unit includes: a PLL circuit configured to output a second clock with a frequency of a predetermined ratio with respect to a frequency of the first clock and configured to output a lock signal (detection signal); an input and output monitoring unit configured to detect a ratio between the frequencies of the first clock and the second clock, compare the detected ratio with the predetermined ratio, and output an abnormal signal when the detected ratio does not coincide with the predetermined ratio; and an initialization unit configured to output a reset signal when the input and output monitoring unit outputs the abnormal signal and configured to output the reset signal when the PLL circuit outputs the lock signal.Type: ApplicationFiled: June 16, 2017Publication date: October 5, 2017Applicant: OLYMPUS CORPORATIONInventor: Tomoharu OGIHARA
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Patent number: 9768619Abstract: A power supply control circuit includes a drive voltage generation circuit configured to generate a plurality of drive voltages by using a plurality of power supply voltages that are supplied from outside, a sequencer configured to stop, when supply of the plurality of power supply voltages is stopped in a predetermined order, generation of the plurality of drive voltages according to priority ranks set in advance, and a power supply monitor circuit configured to perform, when supply of one power supply voltage, among the plurality of power supply voltages, is stopped in an order different from the predetermined order but supply of other power supply voltages is continued, an operation for simultaneously stopping generation of drive voltages that are set at higher priority ranks than a priority rank for stopping generation of a drive voltage that uses the one power supply voltage.Type: GrantFiled: December 7, 2016Date of Patent: September 19, 2017Assignee: OLYMPOS CORPORATIONInventors: Keisuke Ogawa, Fumiyuki Okawa, Tomoharu Ogihara
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Publication number: 20170085095Abstract: A power supply control circuit includes a drive voltage generation circuit configured to generate a plurality of drive voltages by using a plurality of power supply voltages that are supplied from outside, a sequencer configured to stop, when supply of the plurality of power supply voltages is stopped in a predetermined order, generation of the plurality of drive voltages according to priority ranks set in advance, and a power supply monitor circuit configured to perform, when supply of one power supply voltage, among the plurality of power supply voltages, is stopped in an order different from the predetermined order but supply of other power supply voltages is continued, an operation for simultaneously stopping generation of drive voltages that are set at higher priority ranks than a priority rank for stopping generation of a drive voltage that uses the one power supply voltage.Type: ApplicationFiled: December 7, 2016Publication date: March 23, 2017Applicant: OLYMPUS CORPORATIONInventors: Keisuke OGAWA, Fumiyuki OKAWA, Tomoharu OGIHARA
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Publication number: 20160262596Abstract: An endoscope apparatus includes image sensors, a power supply unit, a failure detection unit, and a controller. The power supply unit supplies power independently to the image sensors. The failure detection unit detects a failure in each of the image sensors. The controller controls the power supply unit to stop power supply to an image sensor in which a failure is detected at the failure detection unit.Type: ApplicationFiled: May 24, 2016Publication date: September 15, 2016Applicant: OLYMPUS CORPORATIONInventors: Tomoharu OGIHARA, Fumiyuki OKAWA, Keisuke TSUTSUI, Keisuke OGAWA
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Patent number: 8564654Abstract: An image pick-up apparatus includes: a color imager having a color filter formed on a light receiving surface thereof; a monochrome imager not having a color filter formed on a light receiving surface thereof; a light guiding unit for guiding, to the color imager and/or the monochrome imager, light originating from a subject; and an image formation unit for forming an image from a signal based on an output from the color imager and/or the monochrome imager.Type: GrantFiled: June 14, 2011Date of Patent: October 22, 2013Assignee: Olympus CorporationInventor: Tomoharu Ogihara
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Patent number: 8300095Abstract: A pixel shifting unit moves the relative position between the luminous flux entering an image pickup device and the device to a plurality of predetermined positions in a predetermined order. A control unit controls the device, and allows the image of a subject image formed by the luminous flux on the photoreception surface of the device when the relative position is in any of the plurality of predetermined positions. A combination unit combines the plurality of obtained images to generate a high-resolution image. A prediction unit predicts a shooting environment when the device hereafter shoots an image of the subject image on the basis of a change of at least two images. A setting control unit controls a setting of a shooting condition when the image of the subject image is shot on the basis of a result of the prediction of the shooting environment.Type: GrantFiled: April 22, 2010Date of Patent: October 30, 2012Assignee: Olympus CorporationInventors: Tomoharu Ogihara, Hideyuki Masuyama
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Publication number: 20110310239Abstract: An image pick-up apparatus includes: a color imager having a color filter formed on a light receiving surface thereof; a monochrome imager not having a color filter formed on a light receiving surface thereof; a light guiding unit for guiding, to the color imager and/or the monochrome imager, light originating from a subject; and an image formation unit for forming an image from a signal based on an output from the color imager and/or the monochrome imager.Type: ApplicationFiled: June 14, 2011Publication date: December 22, 2011Applicant: OLYMPUS CORPORATIONInventor: Tomoharu OGIHARA
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Publication number: 20100289888Abstract: A pixel shifting unit moves the relative position between the luminous flux entering an image pickup device and the device to a plurality of predetermined positions in a predetermined order. A control unit controls the device, and allows the image of a subject image formed by the luminous flux on the photoreception surface of the device when the relative position is in any of the plurality of predetermined positions. A combination unit combines the plurality of obtained images to generate a high-resolution image. A prediction unit predicts a shooting environment when the device hereafter shoots an image of the subject image on the basis of a change of at least two images. A setting control unit controls a setting of a shooting condition when the image of the subject image is shot on the basis of a result of the prediction of the shooting environment.Type: ApplicationFiled: April 22, 2010Publication date: November 18, 2010Applicant: OLYMPUS CORPORATIONInventors: Tomoharu OGIHARA, Hideyuki MASUYAMA
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Publication number: 20090309963Abstract: A microscope imaging system includes obtaining a second image area being a focus area composed of one or more pixels arbitrarily specified in a first image area indicated by an entire area or a predetermined area of an outputted image; generating a first brightness histogram of the first image area and a second brightness histogram of the second image area; calculating a relative brightness value of the second image area against the first image area by detecting a feature point of the second brightness histogram and calculating a position corresponding to a feature point of the second brightness histogram in the first brightness histogram; and controlling an imaging drive unit for driving an imaging unit until the brightness value reaches the calculated one.Type: ApplicationFiled: June 10, 2009Publication date: December 17, 2009Applicant: OLYMPUS CORPORATIONInventors: Tomoharu Ogihara, Shinichiro Aizaki