Olympus Corporation

Olympus Optical Company, Ltd.

Olympus Imaging Corporation

Nec Corporation

Nagano Keiki Co., Ltd.

Mitsubishi Jukogyo Kabushiki Kaisha

Waseda University

Denso Corporation

Hiroshi Kodama

Kunio Yamamiya

Toshio Takahashi

Osamu Nonaka

Masaharu Sakamoto

Kiichi Kato

Shoji Yoshikawa

Naoki Yoshida

Yoshinori Matsuzawa

Toru Miyajima

Ken Ohshima

Sumio Kawai

Yasuharu Yamada

Hirohiko Kimata

Shozi Yoshikawa

Shinsuke Homma

Hiroshi Nagasaka

Hiroshi Wakabayashi

Kazuya Nishimura

Inao Toyoda

Manabu Ichikawa

Masahito Watanabe

Satoshi Yoshida

Shigeru Kato

Akio Tanaka

Kensei Ito

Toshikazu Hayashi

Masaki Kitsunezuka

Tomonao Kawashima

Yoshikazu Kaneko

Jin Hiraoka

Kazumi Ito

Kenichi Yokoyama

Kenichi Nishina

Yoshiyuki Okuno

Hironaka Miyaki

Yuichi Tsuchimochi

Yoshihisa Ishikawa

Tomoyuki Hatakeyama

Ken Ohsima

Ryosuke Mochizuki

Kenichi Nagasawa

Kento Kokubu

Shinya Abe

Eiji Takeda

Yoshiyuki Miwa

Sadao Shikae

Masaya Nakagawa

Tsutomu Kabumoto

Kento Hara

Katsunori Kumai

Nobuaki Yamada

Hirotaka Eda

Yoshihiro Tomomatsu

Hisayuki Takeuchi

Kaori Miyashita

Eiichi Fuse

Shoichi Matsui

Naohisa Niimi

Yusuke Midorikawa

Sumito Honda

Yasushi Yanagisawa

Yasutake Ura

Yukihiro Kamada

Kouji Asano

Shirou Kamanaru

Masao Takahashi

Tsubasa Kasai

Takuya Murase

Skinya Murasugi

Takamitsu Yoshizawa

A pressure sensor has a stem in which a pressure introduction hole into which a pressure medium is introduced and a diaphragm deformable according to the pressure of the pressure medium are formed, and a strain detecting element which is arranged on the diaphragm via an insulating film and being configured to output a detection signal according to the deformation of the diaphragm. The strain detecting element is configured to have a portion made of polysilicon. A low doping layer having a higher electrical resistivity than polysilicon and a higher crystallinity than the insulating film is arranged between the insulating film and the strain detecting element.

Pressure sensor

An ultrasound diagnostic apparatus includes: a beam former that drives an ultrasound transducer including two-dimensionally arranged vibration elements and that acquires ultrasound data of a three-dimensional space; a delay calculating circuit sets scan conditions including a drive delay amount of the beam former; a graphic circuit that generates an ultrasound slice image of a predetermined cut surface from the ultrasound data of the three-dimensional space; and a CPU that determines a focal length or a focal depth of the ultrasound according to a distance from the ultrasound transducer to the desirably set cut surface to set an amount of delay to cause the delay calculating circuit to change the scan conditions.

Ultrasound diagnostic apparatus and operation method of ultrasound diagnostic apparatus

An endoscope adapted to insert a treatment tool includes: an opening portion from which the treatment tool protrudes, the opening portion being provided on a distal end of the endoscope; a rotary shaft rotatably mounted in the opening portion, a direction of a shaft center being perpendicular to a longitudinal direction of the endoscope; and a raise base that is attachable to the rotary shaft and detachable from the rotary shaft in a predetermined attaching/detaching direction through the opening portion and is capable of rising around the rotary shaft while being attached to the rotary shaft.

Endoscope having attachable/detachable raise base

An imaging processing device includes an image acquisition unit, a character region estimation unit, and an output unit. The character region estimation unit determines a line indicating a direction in which characters are arranged with high probability in the acquired image and estimates a character region candidate in which characters are arranged with high probability. The output unit outputs information of the region estimated in the character region estimation unit. The character region estimation unit includes a vertical line detector, a horizontal line detector, a color distribution detector, and a character region candidate line determination unit. The image processing device includes an association imaging mode to cause a user to shoot an image of the character region candidate.

Image processing device, image processing method, and non-transitory storage medium storing image processing program

An endoscope includes an insertion portion, the endoscope being configured to allow a treatment tool to protrude from the insertion portion. The endoscope further includes: a treatment tool elevator base configured to be elevated by rotation around a rotation shaft with respect to a direction in which the insertion portion extends; an operating portion configured to input operation of changing an angle of elevating the treatment tool with respect to the treatment tool elevator base; a wire configured to be connected to the operating portion; a first member including a first engagement portion; and a second member including a second engagement portion and a wire connection portion to be connected to the wire, the second member being configured to: be supported so as to be rotatable with respect to the rotation shaft; and transmit the operation to the treatment tool elevator base.

Endoscope having a biopsy needle with needle elevation mechanism

A strain detector includes a strain-causing portion, an insulation film formed on the strain-causing portion, a strain gauge formed on the insulation film and configured to detect the strain generated by the strain-causing portion as electric signals, an electrode connected to the strain gauge, a bonding pad extending from the electrode, a bonding wire connected to the bonding pad, and an insulative resin layer covering the strain gauge without covering the bonding pad and the bonding wire.

Strain detector and manufacturing method thereof

An image observation apparatusincludes an imaging unitthat images a specimen K and obtains a magnified image of the specimen, a displaythat displays an image, a condition determiner that determines whether a state of the specimen with respect to the imaging unit satisfies a specific condition, and a controller that displays the magnified image obtained by the imaging unit on the display when the condition determiner determines the state of the specimen with respect to the imaging unit satisfies the specific condition.

Image observation apparatus

An imaging apparatus includes an omnidirectional imaging unit that captures and generates an image of a visual field all around an axis as omnidirectional image data; an image converter that converts at least a part of the omnidirectional image data, which is generated by the omnidirectional imaging unit, to image data having a rectangular display area and thereby generates conversion image data; and a display unit that displays an image corresponding to the conversion image data, which is generated by the image converter. The omnidirectional image data forms an annular shape.

Imaging apparatus having two imaging units for displaying synthesized image data

An imaging system includes: an imaging device; and an optical device that forms a subject image on an imaging plane of an imaging element and that is freely attachable to and detachable from the imaging device. The optical device includes a combination of a plurality of optical systems to provide a plurality of optical axes. The plurality of optical systems include: a plurality of first imaging optical systems; and a second imaging optical system having a view angle narrower than that of each of the plurality of first imaging optical systems. The plurality of first imaging systems are respectively arranged to surround the second imaging optical system, as viewed from a subject side.

Imaging system, display system, and optical device including plurality of optical systems that have a plurality of optical axes

In a zoom lens of a fixed total length, at the time of changing the magnification from the wide-angle end toward the telephoto end, the first lens group is anchored while the second lens group is moved, and the third and fourth lens groups are moved so as to be located at the object side of the telephoto end relative to the wide-angle end, such that: the interval between the second and third lens groups is decreased at the telephoto end relative to the wide-angle end; the interval between the third and fourth lens groups is increased at the telephoto end relative to the wide-angle end; and the interval between the fourth and fifth lens groups is increased at the telephoto end relative to the wide-angle end, and at the time of focusing a near object point from a remote object point, the second lens group is moved.

Zoom lens

The 1st positive lens unit is located closer to the object side at the telephoto end than at the wide angle end. The distance between the 1st negative lens unit and the 1st positive lens unit is larger at the telephoto end than at the wide angle end. The distance between the image side lens unit group and the 1st negative lens unit varies during zooming from the wide angle end to the telephoto end. The image side lens unit group comprises a 2nd positive lens unit and a 3rd positive lens unit. The distance between the 2nd positive lens unit and the 1st negative lens unit is smaller at the telephoto end than at the wide angle end. The distance between the 3rd positive lens unit and the 2nd positive lens unit varies during zooming from the wide angle end to the telephoto end.

Image pickup apparatus and zoom lens used in image pickup apparatus

An imaging apparatus comprises an optical system that includes a plurality of lens groups, each lens group including one or more lenses, at least one of the lens groups being independently movable with respect to the other lens groups and including a focus lens group for focusing the subject and a lens control unit that controls movement of the plurality of lens groups to bring into focus based on a feeding position of the focus lens group.

Optical system and lens control system having focus adjustment used for imaging apparatus

There is provided a zoom lens in which the load on the driving system for wobbling operation can easily made low and an image pickup apparatus equipped with the same. A zoom lens in which each of distances between a plurality of lens units changes during zooming from the wide angle end to the telephoto end, includes a focus lens unit that shifts along an optical axis to effect focusing from infinity to a close distance and a plurality of wobbling lens units that wobble after a shift of the focus lens unit at an amplitude smaller than the shift of the focus lens unit in focusing operation, wherein a combination of the wobbling lens units caused to operate changes in the middle of the zooming from the wide angle end to the telephoto end.

Zoom lens and image pickup apparatus equipped with same

A power detection circuit according to the present invention includes a variable frequency oscillatorfor oscillating a local oscillator frequency, a mixerfor receiving the local oscillator frequency and a detection signal and converting a frequency of the detection signal using the local oscillator frequency, a complex bandpass filterfor limiting a bandwidth of the detection signal whose frequency is converted to a predetermined bandwidth, and an energy detection circuitfor detecting power of the predetermined bandwidth based on an output from the complex bandpass filter. The local oscillator frequency is set so that the predetermined bandwidth of the detection signal whose frequency is converted is in a frequency range having low 1/f noise. According to the present invention, it is possible to provide a power detection circuit with high speed and high sensitivity.

Power detection circuit and power detection method

Growing community of inventors

Tokyo, Japan

Hiroshi Kodama