Adv Antest Corporation

Sumitomo Osaka Cement Co., Ltd.

Honda Motor Co., Ltd.

Oki Data Corporation

Other

Oki Electric Industry Co., Ltd.

Nippon Steel Corporation

National Institute of Information and Communications Technology, Incorporated

Tanabe Seiyaku Company, Limited

Nitto Chemical Industry Co., Ltd.

National Institute of Information and Communications Technology, Incorporated Administrative Agency

Nitto Chemical Co., Ltd.

Yoshihiro Hashimoto

Masahiro Ishida

Takahiro Yamaguchi

Junichiro Ichikawa

Kaoru Higuma

Shingo Mori

Yozo Shoji

Norikazu Miyazaki

Yusuke Takeda

Fujio Yu

Fuminori Watanabe

Hideki Hamatani

Hiroyo Ogawa

Tohru Sugamata

Kazuhiro Takatsuka

Teruhiko Beppu

Kotaro Watanabe

Hironori Tanaka

Takashi Shinriki

Futoshi Yamamoto

Takaaki Ebe

Atsushi Sugihashi

Hiroshi Narita

Sueharu Horinouchi

Takahisa Fujita

Makoto Nishiyama

Toshio Sakane

Masakazu Mizobe

Yasuyuki Miyama

Yasuo Sekine

Daiki Morimoto

Kosuke Inase

Shoji Yamazaki

Shunsuke Katoh

Eiji Kawanishi

Masahide Hayashi

Kimiharu Tanaka

Yoshitaka Kawasaki

Yuya Tomonaga

The welding operation monitoring system includes an image capturing device that is disposed on a side opposite to a side to which the plasma flow is supplied out of a pipe inside and a pipe outside of the strip-shaped steel sheet formed in a tubular shape, and is configured to capture a color image including a plasma flow over the V-shaped region; and a welding operation monitoring device that is configured to generate a specific color component image obtained by extracting a specific color component from the color image, and specifies a V-shaped display region, which is a region corresponding to the V-shaped region within the color image, on the basis of the V-shaped region shown in the specific color component image, thereby analyzing a state of the welding operation.

Welding operation monitoring system and welding operation monitoring method

A charging device includes a charging member that is rotatable and contacts and electrically charges a surface of a charging target member; and a cleaning member that is rotatable and cleans a surface of the charging member, wherein the cleaning member includes a core bar extending in a lengthwise direction, a foam member that is helically wound around the core bar while forming a gap in the lengthwise direction and contacts the charging member, and a first adhesive agent that is provided between the foam member and the core bar, the first adhesive agent contacting a part of the foam member and another part of the foam member that are formed to adjoin each other in the lengthwise direction via the gap.

Charging device, image forming unit, image forming apparatus, and method of manufacturing cleaning member

A wheel hub, a pulsar ring, and a magnetic sensor are provided. The wheel hub supports an axle. A brake disc is secured to the wheel hub. The pulsar ring is secured to the wheel hub. The magnetic sensor is configured to detect a passing of a pulsar hole disposed on the pulsar ring. The wheel hub forms a cylindrical outer peripheral surface as an outer peripheral side spigot portion. The brake disc includes a disc-side spigot portion in contact with the cylindrical outer peripheral surface. The pulsar ring includes a ring-side spigot portion in contact with the cylindrical outer peripheral surface. The brake disc and the pulsar ring are co-clamped and secured to a hub-side flange formed at the wheel hub.

Wheel speed detecting device

A straddle-type vehicle includes a steering stem, a top bridge, a first front fork, a second front fork, a front wheel braking unit, an ABS modulator, a supporter, and a brake pipe. The front wheel braking unit is provided at the first front fork. The ABS modulator is disposed rearward with respect to the top bridge. The supporter is provided at the second front fork forward with respect to the top bridge. The brake pipe extends from the ABS modulator to the front wheel braking unit through the supporter. The brake pipe between the ABS modulator and the supporter passes through a space between the head pipe and the second front fork below the top bridge. The brake pipe between the supporter and the front wheel braking unit passes through a position higher than the top bridge to be connected to the front wheel braking unit.

Straddle-type vehicle

An image formation apparatus includes a first development device configured to form a color developer image with a color developer, and a second development device configured to form a transparent developer image with a transparent developer. The ratio of the viscosity of the transparent developer to the viscosity of the color developer is not greater than a certain amount.

Image formation apparatus, transparent developer and developer cartridge

A developer includes a toner containing at least a binder resin, wherein the toner has a molecular weight distribution Mz/Mw of 2.0 or smaller and a phase angle of viscoelasticity of 65&#xb0; or greater.

Developer, developer container, image formation unit, and image formation apparatus

Provided is a test apparatus that measures charge/discharge current of an intermediate capacitor provided between a transmission path transmitting power from a power supply to a device under test and a ground potential, and calculates a load current flowing through a device under test, based on the charge/discharge current.

Test apparatus, additional circuit and test board for calculating load current of a device under test

Provided is a test apparatus that measures a peak in a current supplied to a device under test via a transmission path which transmits power from a power supply to a device under test, the peak including a frequency component higher than a frequency corresponding to a product of an inductance component from the power supply to the device under test and a capacitance component between the transmission path and a ground potential, and judges acceptability of the device under test based on the peak measured by the current measuring section.

Test apparatus, additional circuit and test board for judgment based on peak current

Provided is a test apparatus that tests a device under test, including a power supply that generates supply power supplied to the device under test, a transmission path that transmits the supply power generated by the power supply to the device under test, an intermediate capacitor that is provided between the transmission path and a ground potential, a power supply current measuring section that measures a current flowing through the transmission path at a position closer to the power supply than the intermediate capacitor, a charge and discharge current measuring section that measures a charge and discharge current of the intermediate capacitor, and a load current calculating section that calculates a load current flowing through the device under test based on a sum of the current measured by the power supply current measuring section and the current measured by the charge and discharge current measuring section.

Test apparatus

Provided is a test apparatus that tests a device under test, including a power supply that generates supply power supplied to the device under test; a transmission path that transmits the supply power generated by the power supply to the device under test; a high-capacitance capacitor that is provided between the transmission path and a ground potential; a low-capacitance capacitor that has a lower capacitance than the high-capacitance capacitor and that is provided between the transmission path and the ground potential at a position closer to the device under test than the high-capacitance capacitor is to the device under test; an intermediate capacitor that is provided between the transmission path and the ground potential at a position between the high-capacitance capacitor and the low-capacitance capacitor; and a current measuring section that measures current flowing through the transmission path between the intermediate capacitor and the low-capacitance capacitor.

A method and device for adequately controlling the DC bias of each of the optical modulating sections of an optical modulator even while the optical modulator is operating in normal mode and even with a simple structure. An optical modulator bias controller (B) for controlling the DC bias of each optical modulating section of an optical modulator () is characterized by comprising DC bias application means () for applying a DC bias to each of the optical modulating sections, a low-frequency signal superimposing circuit () for superimposing a low-frequency signal fwith a specific frequency on a modulating signal b applied to each optical modulating section, optical sensing means () for sensing a change of the intensity of the light wave passing through the combining section, and bias control means () for extracting the change of the intensity of light corresponding to the low-frequency signal from the optical sensing means and controlling the DC bias application means according to the extracted change of the intensity of light.

Method and device for controlling bias of optical modulator

A method for generating a carrier residual signal and its device, in which a heterodyne optical signal used in a photometric field or an optical fiber radio communication field can be stably generated with a simplified structure. The device includes an optical modulating unit that includes a light source generating a light wave having a specific wavelength, and an SSB optical modulator. A light wave emitted from the light source enters into the optical modulating unit. A light wave emitted from the optical modulating unit includes a carrier component related to a zero-order Bessel function and a specific signal component related to a specific high-order Bessel function while suppressing signal components other than the specific signal component related to the specific high-order Bessel function, and a ratio of optical intensity between the carrier component and the specific signal component is set substantially to 1.

Method for generating carrier residual signal and its device

There is provided a test apparatus for testing a device under test, which includes a voltage supplying section that supplies a voltage to the device under test through a wire, a first capacitor that is arranged between the wire and a common potential in series, a current detecting section that detects a current flowing through the wire at a location closer to the device under test than the first capacitor is, an integrating section that outputs an integration value obtained by integrating a difference between the current detected by the current detecting section and a predetermined reference current, and a judging section that judges whether the device under test is a pass or a failure based on the integration value.

Test apparatus and measurement apparatus for measuring an electric current consumed by a device under test

Provided is a power supply apparatus including a low pass filter that receives an output voltage of a current output section and allows a low frequency component with a frequency lower than a preset cutoff frequency to pass through; an excess voltage restricting load section that consumes an excess voltage restricting current, which is at least a portion of the output current from the current output section, when a load is turned on; and an excess voltage restricting control section that keeps the excess voltage restricting load section turned off when the output voltage of the current output section is less than an upper reference voltage, which is obtained by adding together a voltage output by the low pass filter and a preset upper offset voltage.

Power supply and stabilizer

An optical modulator is provided which includes: an optical splitting part that splits an input light wave into two light waves; two optical waveguides that propagate the two light waves into which the input light wave is split, respectively; a first SSB modulating part that is provided in one of the two optical waveguides and modulates a light wave, which propagates into the first SSB modulating part, with a carrier frequency so that the light wave is converted into a different light wave having a single side band; a second SSB modulating part that is provided in the other of the two optical waveguides and modulates a light wave, which propagates into the second SSB modulating part, with a data signal in order to generate a signal light wave having a different single side band; and an optical combining part that combines the light wave modulated by the first SSB modulating part with the signal light wave generated by the second SSB modulating part.

Optical modulator

Growing community of inventors

Tokyo, Japan

Yoshihiro Hashimoto