Patents by Inventor Takehide Fujimoto
Takehide Fujimoto 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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Publication number: 20220386849Abstract: An endoscope apparatus capable of transmitting an endoscope image as an optical signal includes: an electronic component that includes a reception circuit configured to receive an electric signal outputted from an image pickup device and supply the electric signal to a conversion device; a printed board provided with the electronic component; a shielding member that covers at least the reception circuit; a first path via a ground connection line that is provided for the electronic component, and electrically connects the shielding member to a ground; and a second path via a conductive portion that electrically connects the shielding member to the ground, wherein an impedance of the second path is lower than an impedance of the first path.Type: ApplicationFiled: August 1, 2022Publication date: December 8, 2022Applicant: OLYMPUS CORPORATIONInventors: Takehide FUJIMOTO, Makoto TSUNAKAWA, Keisuke TSUTSUI, Nanako UBAYAMA
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Patent number: 10463230Abstract: An endoscope power supply system includes an endoscope including an imaging unit that images an object, a housing apparatus to which the endoscope is detachably connected, a plurality of power source units that are provided in the housing apparatus and configured to output electric power different from one another, switches each provided in an output stage of each of the power source units of the housing apparatus and formed of two FETs that are back-to-back connected, and a controller that is provided in the housing apparatus, selects a power source unit necessary to operate the endoscope from the power source units, and controls the switches to output electric power generated by the selected power source unit to the endoscope.Type: GrantFiled: September 22, 2017Date of Patent: November 5, 2019Assignee: OLYMPUS CORPORATIONInventors: Takehide Fujimoto, Nanako Ubayama, Hitoshi Komine, Yutaka Fujisawa, Hideki Kato, Sadaaki Tomura
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Publication number: 20190102881Abstract: An endoscope apparatus includes: a first discrimination section configured to be connectable to a first endoscope including a communication circuit and capable of transmitting image pickup device type information, and a second endoscope including a resistance configured by a resistance value for enabling identification of a mounted image pickup device and corresponding to the image pickup device, and configured to acquire information for identifying a type of an image pickup device from a connected endoscope to determine a type of the connected endoscope; and an image pickup communication reception section configured to receive the image pickup device type information from the communication circuit when it is determined in the first discrimination section that the first endoscope is connected.Type: ApplicationFiled: October 9, 2018Publication date: April 4, 2019Applicant: OLYMPUS CORPORATIONInventors: Takehide FUJIMOTO, Nanako UBAYAMA, Hitoshi KOMINE
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Publication number: 20190082941Abstract: A camera control unit for an endoscope includes a power supply, an identifying portion, a control portion, and a switch. The power supply generates a required voltage for each of the plurality of various endoscopes expected to be connected to the camera control unit. The identifying portion identifies the required voltage of one of the various endoscope connected to the camera control unit. The control portion controls the power supply in such a manner that power having the required voltage is generated according to an identification result of the identifying portion. The switch is disposed on a power supply path connected to the power supply. The switch is set to alternate between conduction and/or blocking of the power supply path.Type: ApplicationFiled: November 15, 2018Publication date: March 21, 2019Applicant: Olympus CorporationInventors: Nanako Ubayama, Takehide Fujimoto, Hitoshi Komine
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Publication number: 20180008124Abstract: An endoscope power supply system includes an endoscope including an imaging unit that images an object, a housing apparatus to which the endoscope is detachably connected, a plurality of power source units that are provided in the housing apparatus and configured to output electric power different from one another, switches each provided in an output stage of each of the power source units of the housing apparatus and formed of two FETs that are back-to-back connected, and a controller that is provided in the housing apparatus, selects a power source unit necessary to operate the endoscope from the power source units, and controls the switches to output electric power generated by the selected power source unit to the endoscopeType: ApplicationFiled: September 22, 2017Publication date: January 11, 2018Applicant: OLYMPUS CORPORATIONInventors: Takehide FUJIMOTO, Nanako UBAYAMA, Hitoshi KOMINE, Yutaka FUJISAWA, Hideki KATO, Sadaaki TOMURA
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Patent number: 9661284Abstract: A solid-state imaging apparatus includes an imaging unit that images a subject to generate a plurality of pieces of image data having information corresponding to different types of color components at same pixel positions, an operation mode setting unit that sets an operation mode of the imaging unit, a thinning rate setting unit that sets a thinning rate relative to each of the plurality of pieces of image data of the different types of color components in accordance with the operation mode, a thinning processor that performs thinning processing relative to each of the plurality of pieces of image data of the different types of color components generated by the imaging unit in accordance with the thinning rate, and a transmission unit that transmits the plurality of pieces of image data of different types of color components subjected to the thinning processing.Type: GrantFiled: July 18, 2016Date of Patent: May 23, 2017Assignee: OLYMPUS CORPORATIONInventors: Kyosuke Mizuno, Hitoshi Komine, Yutaka Fujisawa, Takehide Fujimoto, Hideki Kato, Sadaaki Tomura, Nanako Ubayama
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Patent number: 9621814Abstract: There is provided an image pickup system for endoscope including: a light source; an image forming optical system; a focus lens driving section; an image pickup section outputting an image signal; an image signal amplifying section; an image brightness detecting section; a brightness adjusting section adjusting a brightness control condition such as a light quantity of the light source, an image pickup condition of the image pickup section and an amplification factor of the amplifying section so that brightness of an image becomes a predetermined brightness; an auxiliary AF section estimating a temporary focus position based on the brightness control condition; a control section setting a small scanning range including the temporary focus position; and a contrast AF section causing contrast AF to be performed in the scanning range.Type: GrantFiled: March 14, 2016Date of Patent: April 11, 2017Assignee: OLYMPUS CORPORATIONInventors: Takehide Fujimoto, Kiyotaka Kanno, Yutaka Fujisawa, Kotaro Ogasawara
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Publication number: 20160330415Abstract: A solid-state imaging apparatus includes an imaging unit that images a subject to generate a plurality of pieces of image data having information corresponding to different types of color components at same pixel positions, an operation mode setting unit that sets an operation mode of the imaging unit, a thinning rate setting unit that sets a thinning rate relative to each of the plurality of pieces of image data of the different types of color components in accordance with the operation mode, a thinning processor that performs thinning processing relative to each of the plurality of pieces of image data of the different types of color components generated by the imaging unit in accordance with the thinning rate, and a transmission unit that transmits the plurality of pieces of image data of different types of color components subjected to the thinning processing.Type: ApplicationFiled: July 18, 2016Publication date: November 10, 2016Applicant: OLYMPUS CORPORATIONInventors: Kyosuke MIZUNO, Hitoshi KOMINE, Yutaka FUJISAWA, Takehide FUJIMOTO, Hideki KATO, Sadaaki TOMURA, Nanako UBAYAMA
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Patent number: 9444994Abstract: An image pickup apparatus is provided with: an objective optical system; an image pickup device; a contrast AF section adjusting a focus so that a peak value of a contrast evaluation value of an image is taken; an amount-of-motion detecting section detecting, from a plurality of time-series images, amounts of motion of the subject; and a control section controlling the contrast AF section so as to calculate another contrast evaluation value in a region where a region to be excluded where an amount of motion is equal to or larger than a threshold is excluded from a calculation target region, and the contrast AF section corrects the other contrast evaluation value based on an area of the calculation target region and an area of the region where the region to be excluded is excluded from the calculation target region.Type: GrantFiled: February 2, 2016Date of Patent: September 13, 2016Assignee: OLYMPUS CORPORATIONInventors: Kotaro Ogasawara, Yutaka Fujisawa, Takehide Fujimoto, Kiyotaka Kanno
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Publication number: 20160198076Abstract: There is provided an image pickup system for endoscope including: a light source; an image forming optical system; a focus lens driving section; an image pickup section outputting an image signal; an image signal amplifying section; an image brightness detecting section; a brightness adjusting section adjusting a brightness control condition such as a light quantity of the light source, an image pickup condition of the image pickup section and an amplification factor of the amplifying section so that brightness of an image becomes a predetermined brightness; an auxiliary AF section estimating a temporary focus position based on the brightness control condition; a control section setting a small scanning range including the temporary focus position; and a contrast AF section causing contrast AF to be performed in the scanning range.Type: ApplicationFiled: March 14, 2016Publication date: July 7, 2016Applicant: OLYMPUS CORPORATIONInventors: Takehide FUJIMOTO, Kiyotaka KANNO, Yutaka FUJISAWA, Kotaro OGASAWARA
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Publication number: 20160156835Abstract: An image pickup apparatus is provided with: an objective optical system; an image pickup device; a contrast AF section adjusting a focus so that a peak value of a contrast evaluation value of an image is taken; an amount-of-motion detecting section detecting, from a plurality of time-series images, amounts of motion of the subject; and a control section controlling the contrast AF section so as to calculate another contrast evaluation value in a region where a region to be excluded where an amount of motion is equal to or larger than a threshold is excluded from a calculation target region, and the contrast AF section corrects the other contrast evaluation value based on an area of the calculation target region and an area of the region where the region to be excluded is excluded from the calculation target region.Type: ApplicationFiled: February 2, 2016Publication date: June 2, 2016Applicant: OLYMPUS CORPORATIONInventors: Kotaro OGASAWARA, Yutaka FUJISAWA, Takehide FUJIMOTO, Kiyotaka KANNO
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Patent number: 8934004Abstract: An endoscope system includes an endoscope including a CCD for generating an image pickup signal, and a processor including a video processing circuit. The processor includes: a VCXO that generates a reference clock signal; a PLL circuit that synchronizes a phase of the image pickup signal to be inputted and a phase of the reference clock signal; a synchronization detection circuit that detects whether the phase of the image pickup signal synchronizes with the phase of the reference clock signal; and a multiplexer that controls the video processing circuit, on the basis of the detection result by the synchronization detection circuit, to cause the video processing circuit to output a predetermined video when a non-phase-synchronized state is detected, and to cause the video processing circuit to output a video signal obtained by processing the image pickup signal by the video processing circuit when a phase-synchronized state is detected.Type: GrantFiled: April 29, 2013Date of Patent: January 13, 2015Assignee: Olympus Medical Systems Corp.Inventors: Hitoshi Komine, Takehide Fujimoto
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Patent number: 8449453Abstract: An endoscopic image processing apparatus includes an endoscope information reading section that reads endoscope information that is information relating to an endoscope from the endoscope, a synchronizing signal detecting section that is given an image pickup signal that includes a synchronizing signal outputted by an image pickup device provided in the endoscope from the endoscope, performs detection processing of the synchronizing signal, outputs the detected synchronizing signal when the synchronizing signal can be detected, and generates and outputs a synchronizing signal based on the endoscope information read by the endoscope information reading section when the synchronizing signal cannot be detected, and an image signal generating section that generates an image signal based on the synchronizing signal outputted from the synchronizing signal detecting section and the image pickup signal outputted from the image pickup device of the endoscope.Type: GrantFiled: December 30, 2011Date of Patent: May 28, 2013Assignee: Olympus Medical Systems Corp.Inventors: Takehide Fujimoto, Kiyotaka Kanno, Tatsuhiko Suzuki, Hidekazu Shinano
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Publication number: 20120178992Abstract: An endoscopic image processing apparatus includes an endoscope information reading section that reads endoscope information that is information relating to an endoscope from the endoscope, a synchronizing signal detecting section that is given an image pickup signal that includes a synchronizing signal outputted by an image pickup device provided in the endoscope from the endoscope, performs detection processing of the synchronizing signal, outputs the detected synchronizing signal when the synchronizing signal can be detected, and generates and outputs a synchronizing signal based on the endoscope information read by the endoscope information reading section when the synchronizing signal cannot be detected, and an image signal generating section that generates an image signal based on the synchronizing signal outputted from the synchronizing signal detecting section and the image pickup signal outputted from the image pickup device of the endoscope.Type: ApplicationFiled: December 30, 2011Publication date: July 12, 2012Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Takehide FUJIMOTO, Kiyotaka KANNO, Tatsuhiko SUZUKI, Hidekazu SHINANO
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Publication number: 20040186880Abstract: A management system of the present invention is composed of: a requester terminal (110) for issuing a request signal for data processing to the management apparatus (100) so as to acquire file information from another terminal apparatus; a request reception terminal (120) for holding the file information; and a management apparatus (100) for managing the file information to be exchanged between the requester terminal (110) and the request reception terminal (120), all of which being mutually connected via a network bus (130).Type: ApplicationFiled: October 16, 2003Publication date: September 23, 2004Inventors: Yoshiki Yamamoto, Takehide Fujimoto