Olympus Corporation

Texas Instruments Corporation

Tohoku University

Zeon Corporation

Mitsubishi Electric Corporation

Olympus Medical Systems Corporation

Ntt Docomo, Inc.

Satoru Adachi

Choong Seng Boon

Shunichi Sekiguchi

Shigetoshi Sugawa

Mitsuru Kobayashi

Takeshi Ito

Hiroyuki Yamaguchi

Minoru Etoh

Nana Akahane

Katsumi Hosogai

Noriyuki Fujimori

Masashi Saito

Sadaatsu Kato

Takatoshi Igarashi

Takanori Tanaka

Hiromichi Oshikubo

Yasunari Harada

Makoto Ikeda

Makoto Ono

Taichi Sawaguchi

Ryuhi Okubo

Koichi Mizobuchi

Hiroyuki Motohara

Masato Osawa

Shuzo Hiraide

Shigeru Hosokai

Yuzuru Tanabe

Takahiro Nishiwaki

Sumio Wakito

Yasuhiro Ogiri

Masayoshi Miura

Hiroyuki Gotoh

Satoshi Nasuno

Kyoichi Yahata

Tatsuya Terada

Thiow Keng Tan

An endoscope apparatus includes: an imaging device; a light source device; an illumination light control circuit; a first processing circuit; and a second processing circuit. The light source device emits first support illumination light in a first time period. The first processing circuit acquires a first support image obtained with the first support illumination light. The second processing circuit extracts first diagnosis support information on the basis of the first support image. The light source device emits second support illumination light being as a result of dimming control on the basis of the first diagnosis support information in a second time period. The first processing circuit acquires a second support image with the second support illumination light. The second processing circuit acquires support display information on the basis of the second support image. The first processing circuit executes image processing, based on the support display information, on the display image.

Endoscope apparatus, operating method of endoscope apparatus, and information storage medium

An image processing device includes: a processor including hardware. The processor is configured to: obtain images captured by an imaging element configured to perform imaging at a higher frequency than a vibrational frequency of a subject; detect the vibrational frequency of the subject based on the obtained images; set a selection period that is longer than a vibration period of the subject; sequentially select, from among the obtained images, images to be displayed on a display based on the selection period; and output the selected images.

Image processing device, imaging system, image processing method, and computer-readable recording medium

An imaging system includes: an optical system configured to form a subject image; a driver configured to drive the optical system; an imaging element configured to capture the subject image and generate image data; and a processor configured to control the imaging element and the driver. The imaging element includes: a first imaging portion configured to capture an image of a first light beam that travels through a first optical path in the optical system; a second imaging portion configured to capture an image of a second light beam that travels through a second optical path shorter than the first optical path; and plural phase difference pixels for phase difference autofocus, the plural phase difference pixels being arranged in at least one of the first imaging portion and the second imaging portion, the plural phase difference pixels being configured to output phase difference signals.

Imaging system, endoscope system, and control method

A control device includes: a processor configured to obtain a first picture signal and a second picture signal, calculate first ranging information based on the first picture signal, calculate second ranging information based on the second picture signal, estimate a first subject distance corresponding to the first ranging information, estimate ranging information corresponding to a second focal position, perform arithmetic processing to determine degree of reliability of the first ranging information, and output a result of the arithmetic processing.

Control device, endoscope system, and control method

An endoscope apparatus includes: an imaging device; a light source device; a first processing circuit; and a second processing circuit. The light source device can emit first light and fourth light having peak wavelengths in a transmission wavelength band of the blue color filter, second light, and third light and fifth light having peak wavelengths in a transmission wavelength band of the red color filter. The light source device emits the third light in a first imaging frame and the fifth light in a second imaging frame. The first processing circuit generates a display image based on any one of a first image group including images corresponding to the third light and the fifth light and a second image group including an image corresponding to the fourth light, and outputs a remaining one of the first image group and the second image group to the second processing circuit.

Endoscope apparatus, processing device and processing method

An endoscope distal end structure includes: an imager, a distal end frame that is a three-dimensional molded interconnect device including a housing portion and a cable connecting portion, the cable connecting portion including a cable connection electrode, the housing portion being formed by cutting out at least a part of an outer peripheral portion of the distal end frame, the housing portion having a bottom surface on which connection terminals are formed, and a first side surface and a second side surface which are continuous to each other and on which a ground pattern is formed, a through hole having electrical conductivity, the through hole penetrating from the bottom surface to the cable connecting portion, and an electrical conductive pattern connecting a cable connection electrode and the ground pattern, the electrical conductive pattern being arranged on a side surface of the distal end frame.

Endoscope distal end structure and endoscope

A method for handling a sample of a biochemical substance with a biochemical tool is provided. The method comprises a step of bringing the sample of the biochemical substance into contact with the biochemical tool. The sample of a biochemical substance includes nucleic acids. The biochemical tool comprises a part configured to contact the sample of the biochemical substance, the part being made of a resin composition containing at least one cycloolefin polymer selected from the group consisting of a copolymer of a cycloolefin and a chain olefin, a ring-opened polymer of a cycloolefin, and a hydrogenated product of a ring-opened polymer of a cycloolefin, and an antioxidant, the resin composition comprising 0.01 parts by mass or more and 0.7 parts by mass or less of the antioxidant relative to 100 parts by mass of the cycloolefin polymer.

Method for handling a sample of a biochemical substance with a biochemical tool

A semiconductor device includes a semiconductor substrate, a trench capacitor arranged on the semiconductor substrate, a first wiring layer, a second wiring layer, a first TSV penetrating the semiconductor substrate outside the trench capacitor, a second TSV penetrating the semiconductor substrate outside the trench capacitor, a first connecting terminal connected to the first TSV, a second connecting terminal connected to the first TSV, a third connecting terminal connected to the second TSV, and a fourth connecting terminal connected to the second TSV. A plurality of connecting terminals including the first through fourth connecting terminals are arranged dispersively over an entire area of the first wiring layer and the second wiring layer of the semiconductor device, thereby stabilizing voltage supplied to an image unit and achieving a stable image signal.

Semiconductor device, an image unit and an endoscope system

It is an object of the present disclosure to provide a biochemical tool capable of satisfactorily reducing absorption of a biochemical substance to a surface contacting a sample of the biochemical substance. A biochemical tool configured to contact a sample of a biochemical substance includes a part configured to contact the sample of the biochemical substance, the part being made of a resin composition containing at least one cycloolefin polymer selected from the group consisting of a copolymer of a cycloolefin and a chain olefin, a ring-opened polymer of a cycloolefin, and a hydrogenated product of a ring-opened polymer of a cycloolefin, and an antioxidant, the resin composition including 0.01 parts by mass or more and 0.7 parts by mass or less of the antioxidant relative to 100 parts by mass of the cycloolefin polymer.

Biochemical tool

An imaging apparatus includes: an imager configured to generate an imaging signal; a transmission channel configured to connect a controller and the images; a superimposed signal generator that is arranged on a proximal end side of the transmission channel, the superimposed signal generator being configured to generate a superimposed signal by superimposing a pulsed data signal and a pulsed reference clock signal, and output the generated superimposed signal to the transmission channel; a first extractor that is arranged on a distal end side of the transmission channel, the first extractor being configured to extract the data signal and the reference clock signal from the generated superimposed signal; and a second extractor that is arranged on the distal end side of the transmission channel, the second extractor being configured to extract the negative voltage from the generated superimposed signal.

Imaging apparatus, imaging system, and imaging method

A screen-creation assistance device includes a screen-data-element generation unit to generate a first screen data element that is a screen data element of a first screen, a division unit to divide the first screen into a plurality of second screens to be displayed respectively on a plurality of display devices, and to generate a plurality of second screen data elements that are respective screen data elements of the second screens, and an output unit to output the second screen data elements.

Screen-creation assistance device, display system, screen-creation assistance method, and recording medium

An imaging apparatus includes an image sensor and a phase comparison circuit. The image sensor includes, a pixel configured to generate a video signal, a readout circuit configured to read out the video signal, an output circuit configured to output the video signal to a signal processor, a clock generation circuit configured to generate a first clock, and a first control circuit configured to cause the signal processor to output the video signal in accordance with the first clock and a synchronization signal generated by the signal processor. The phase comparison circuit makes a phase comparison between the video signal and a second clock generated by the signal processor. The clock generation circuit generates the first clock based on a power supply voltage in accordance with the phase difference signal.

Imaging apparatus and endoscope system

An imaging element includes: a plurality of pixels where each pixel is configured to generate an imaging signal; a noise eliminating circuit configured to eliminate a noise component included in the imaging signal; a plurality of column source follower buffers where each column source follower buffer is configured to amplify the imaging signal from which the noise component has been eliminated by the noise eliminating circuit, and output the amplified signal; a horizontal scanning circuit configured to sequentially select the column source follower buffer and output the imaging signal; and a buffer circuit which is connected with the column source follower buffer sequentially selected by the horizontal scanning circuit to form a voltage follower circuit, the buffer circuit being configured to perform impedance conversion on a voltage of the imaging signal output from the column source follower buffer, and output the converted signal to an outside.

Imaging element, imaging device, and endoscope

An imaging element includes: a pixel chip where a pixel unit and a vertical selecting unit are arranged, the pixel unit including plural pixels that are arranged in a two-dimensional matrix, the pixels being configured to generate and output imaging signals; a transmission chip where at least a power source unit and a transmission unit are arranged; plural capacitative chips, each capacitative chip having capacitance functioning as a bypass condenser for a power source in the power source unit; and plural connecting portions configured to electrically connect the pixel chip, the transmission chip, and the capacitative chip respectively to another chip. The transmission chip is layered and connected at a back surface side of the pixel chip. The capacitative chips are layered and connected at a back surface side of the transmission chip. The connecting portions are arranged so as to overlap one another.

Imaging element, endoscope, and endoscope system

An endoscope configured to operate with a power supply voltage supplied from a processing device connected to the endoscope through a transmission cable is provided. The endoscope includes: a first chip including: an imaging element; and a first buffer configured to externally output an imaging signal generated by the imaging element; and a second chip including a second buffer configured to amplify the imaging signal output from the first buffer and output the amplified imaging signal to the transmission cable. The first buffer is configured to apply a predetermined voltage to the second buffer in a period in which the imaging element does not output the imaging signal to cause the second buffer to output a direct current at a predetermined level to the transmission cable.

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Tsuchiura, Japan

Satoru Adachi