Sony Corporation

Mitsubishi Electric Corporation

Mitsubishi Denki Kabushiki Kaisha

Other

Sony Group Corporation

Sony Semiconductor Solutions Corporation

Sony Disc & Digital Solutions Inc.

Nobuhiro Kihara

Akira Shirakura

Shigeyuki Baba

Naoki Itoi

Junichi Kuzusako

Fumito Uemura

Hiroshi Okuda

Koji Ashizaki

Takahiro Toyoda

Hisayuki Yamatsu

Mitsuharu Hashiba

Toru Daigo

Katsuhisa Honda

Megumi Ezura

Mitsuo Sone

Yuta Komatsu

Masayoshi Maeda

Koichiro Kishima

Takashi Yamamoto

Masanobu Yamamoto

Kunihiko Hayashi

Matahiko Ikeda

Tomoki Kanesaka

Masaru Kobayashi

Takeshi Yamasaki

Shigeru Mori

Nobuhiro Hayashi

Takeshi Matsui

Noriyuki Wada

Takamichi Yamakoshi

Norihiro Tanabe

Ryu Narusawa

Seijiro Tomita

Fumiyasu Suzuki

Yoshihiro Takeshima

Toshio Iribe

Takashi Kaneyama

Junichi Sakagami

Kado Nakagawa

Mai Nakada

Masaki Sawamura

Toshio Kikuchi

Hiroaki Tanihara

Akira Kondo

Takayuki Ubukata

Kenji Ishi

Kaoru Imaizumi

Masaki Yamada

Masaya Inoue

Akio Yasuda

Kimihiro Saito

Junichi Abe

Katsuya Shirai

Shinji Baba

Eric D Edwards

Masataka Shinoda

Satoshi Murakami

Ryota Kondo

Daisuke Ueda

Takeo Arai

Takahiro Urakabe

Takashi Ogata

Aya Shuto

Hiroya Fujii

Katsuyuki Akutsu

Go Asayama

Shigeki Harada

Kazuhiko Otsuka

Yuya Tanaka

Kiyoshi Osato

Kenichi Kurihara

Shingo Kato

Keiichi Nito

Yusuke Higaki

Yuichi Aki

Osamu Akimoto

Tomomasa Watanabe

Hiroyuki Yasukochi

Takashi Iwamura

Yu Hirono

Ko Ishimoto

Hirotsugu Suzuki

Masanori Miyahara

Mitsuyasu Kunihiro

Kazunori Yamamoto

Yuichi Muramoto

Yuji Kuramoto

Yusuke Kajio

Yuuya Tanaka

Muneyasu Maeda

Yuji Nakagawa

Shinji Kawaguchi

Naoki Moritake

Mai Uenaka

Tatsuya Minakawa

Kazushi Maeda

Kazuo Niizaka

Motohiko Watanabe

Masato Nakakura

There is provided an image display apparatus that includes an image forming apparatus, an optical element arranged in front of a face of an observer, and a movement control apparatus. When a region situated on the side of the ear of the observer, as viewed from the optical element, is referred to as a region situated behind the optical element, the image forming apparatus is in the region situated behind the optical element. An image exiting the image forming apparatus obliquely enters the optical element from the region situated behind the optical element, and is reflected off the optical element to reach the pupil of the observer. When there is a change in the position of the pupil of the observer, the optical element is moved using the movement control apparatus, and the position of the image exiting the image forming apparatus is controlled using the movement control apparatus.

Image display apparatus and display apparatus

An object is to achieve overheat protection for a converter and stable voltage output thereof. This power supply device includes: a converter connected to power supply voltage and having a plurality of switching elements; a temperature detection circuit for detecting a temperature of the converter; an inverter which is connected between the converter and a load, and which converts output voltage of the converter and outputs resultant voltage to the load; and a control unit for controlling the switching elements of the converter. When the temperature detected by the temperature detection circuit has exceeded a first limitation value, the control unit controls the switching elements so that the output voltage of the converter becomes the power supply voltage at a set change rate.

Power supply device

Provided is a technology in which a control device of a converter performs gate cutoff for cutting off power supply to a load when one of a battery detection value obtained by a battery voltage sensor or a low-voltage-side detection value obtained by a low-voltage-side voltage sensor or both thereof are abnormal values. After the control device performs the gate cutoff, the control device determines whether or not a main body circuitry is abnormal based on the battery detection value and the low-voltage-side detection value. When the control device determines that the main body circuitry is not abnormal, the control device determines whether one of the battery voltage sensor or the low-voltage-side voltage sensor is abnormal based on the battery detection value, the low-voltage-side detection value, and a high-voltage-side detection value obtained by a high-voltage-side voltage sensor.

Power conversion device with voltage abnormality control

A three-dimensional structure according to an embodiment of the present disclosure includes: a plurality of resin layers including a light curable resin, the light curable resin including a coloring compound, a color developing-reducing agent, and a photothermal conversion agent, the plurality of resin layers being stacked, the color developing-reducing agent having an average particle diameter of 10 &#x3bc;m or more and 100 &#x3bc;m or less.

Three-dimensional structure and method of manufacturing three-dimensional structure

In a modeling apparatus, a stage includes a modeling surface on which a modeled object is formed. A regulation member includes a surface including an adjacent region, the regulation member is arranged with respect to the stage to form a holding region for holding a material between the adjacent region and the stage. An irradiation unit selectively radiates an energy ray to a region of the material via the adjacent region. A first moving mechanism moves the stage and the regulation member relative to each other in a direction along the modeling surface. A second moving mechanism moves the stage and the regulation member relative to each other in a lamination direction of the material. A control mechanism variably controls, based on the number of laminated layers of the material, an irradiation position of the energy ray to the material in the direction along the modeling surface.

Modeling apparatus and manufacturing method for a modeled object

A structure for measuring a distance on the basis of the principle of triangulation is simplified. A distance measuring module includes a diffractive optical element, an imaging element, and a distance measuring unit. The diffractive optical element emits a predetermined number of line light beams. The imaging element images the line light beams with which the subject is irradiated. The measuring unit measures a distance from the subject by using triangulation on the basis of the imaged line light beams. Thus, by imaging the line light beams emitted via the diffractive optical element, the distance from the subject is measured with a simple structure.

Distance measuring module

[Solving Means] An information processing apparatus to be used for a modeling apparatus including a stage, a regulation member, an irradiation unit, and a moving mechanism and includes an acquisition unit, an irradiation position control unit, and a compensation unit. The acquisition unit is configured to acquire the plurality of slice image data items. The irradiation position control unit is configured to variably control, in accordance with the number of laminated layers of a material, an irradiation position of the energy ray to the material in a direction of relative movement of the stage and the regulation member within a modeling surface of the stage. The compensation unit is configured to compensate for a reference position of at least one slice image data item of the plurality of slice image data items in accordance with a change of the irradiation position.

Information processing apparatus, modeling apparatus, and information processing method

With respect to a failure in voltage sensors each for detecting a high-voltage-side voltage in a DC/DC converter, it is so arranged that a circuit failure of the DC/DC converter is prevented, and that the DC/DC converter is continuingly controlled. Two voltage sensors are included therein each for detecting a high-voltage-side voltage, so that, even when a first voltage sensor for detecting a high-voltage-side voltage on one side fails to work properly, a control device turns on a second switching device, and detects a voltage by a second voltage sensor for detecting the high-voltage-side voltage on the other side, whereby a failure of the voltage sensor for detecting the high-voltage-side voltage is detected.

DC/DC converter control device

A power conversion device including an intermediate capacitor that carries out a charging and discharging operation and a voltage sensor that detects a voltage of the intermediate capacitor, and including a current sensor that detects a current flowing in a reactor, and an abnormality determining unit that determines that there is an abnormality of the voltage sensor using a current value calculated based on a detected value from the current sensor, wherein a gain error, an offset error, and a sticking error of the voltage sensor can be detected.

Power conversion device

Provided is an information processing device that includes a display control unit that controls display of condition information indicating conditions of livestock, an acquisition unit that acquires task information indicating a task related to the livestock, which is based on the condition information, and an output unit that outputs command information that indicates a command for the task indicated by the task information.

Information processing device and information processing method

[Technical Problem] In a power conversion device for stepping up or stepping down the input voltage, when voltage converter become out of order, it is not possible to specify an IGBT element and a current sensor, which is in an extraordinary fault condition. [Solution to Problem] The power conversion device is configured to detect a voltage value of a smoothing condenser, connected in parallel to a load, where the load is to be connected to the power conversion device; detects, by a first current sensor, a current which flows through switching elements in a plurality of voltage converter; decides an abnormality of a switching element, by switching the switching element one by one; specifies the abnormality of the switching element; and specifies that the first current sensor is in an abnormal state, in a case where there is no abnormal state switching elements.

The DC/DC converter is provided with a failure detector that detects a failure in at least one of a first output-side voltage sensor, a second output-side voltage sensor, and an input-side voltage sensor, based on the respective detection values of the input-side voltage sensor, the first output-side voltage sensor, the second output-side voltage sensor, and a DC power source voltage sensor.

DC/DC converter having failure detection based on voltage sensor values

In a DC-DC voltage conversion device, overheat of a diode element connected in anti-parallel with a semiconductor switching element is a problem, and in order to resolve this, a temperature of a semiconductor switching element of a main conversion circuit is detected, a temperature of a diode element connected in parallel with the semiconductor switching element is calculated using a correction calculation of the detected semiconductor switching element temperature value in accordance with a step-up ratio of the DC-DC voltage conversion device, and diode element overheat protection is carried out in accordance with the calculated temperature value.

DC-DC voltage conversion device

There is provided a DC power source apparatus that can prevent failures in components included in the DC power source apparatus and a load and that can prevent damage to or deterioration in the components. A control unit of the DC power source apparatus includes a function of limiting a duty value that is the ratio of an on-time to the switching period of a switching device, and makes an upper limit value for limiting the upper limit of the duty value variable during switching operation of the switching device.

DC power source apparatus

A discharge device provided with a switching unit configured by a first switch element and a second switch element connected in series, a first power storage element connected in parallel with both ends of the switching unit, a second power storage element connected in parallel with both ends of the second switch element, and a control unit which controls on/off switching of the first switch element and the second switch element in such a manner that a portion of the energy charged in the first power storage element is charged and discharged at least once by the second power storage element, and the energy charged in the first power storage element is discharged while being consumed in one or all of the first switch element and the second switch element.

Discharge device

Growing community of inventors

Kanagawa, Japan

Nobuhiro Kihara