Canon Kabushiki Kaisha

Mitsubishi Chemical Corporation

Mitsubishi Electric Corporation

Tokyo Institute of Technology

Mitsubishi Rayon Company, Limited

Satoshi Okamoto

Takanori Matsuda

Toshihiro Ifuku

Hiroshi Funakubo

Katsumi Aoki

Masahiro Ichino

Shintaro Yokoyama

Kenichi Takeda

Masakazu Okuda

Akihiro Ito

Toru Kondo

Masami Aikawa

Yoshihiko Mori

Takuya Teranishi

Takehisa Mizuguchi

Akira Oota

Yukihiro Mizutori

Takeshi Mitsui

Mitsuru Sakai

Junji Kanehagi

Yukihiro Harada

Yasuaki Takimoto

Kazuhisa Ikeda

Masahiro Kosakada

Atsushi Nohara

Sanae Kita

Tomoo Sano

Masayuki Sugiura

Yuma Furuhashi

Kenta Narumori

Shinya Katou

Tatsuhiro Kishikawa

Hiroyuki Kamao

A photoelectric conversion apparatus includes a pixel including a photoelectric conversion circuit configured to output a signal corresponding to photon incidence. The photoelectric conversion apparatus further includes a first measurement circuit, an addition circuit, and a second measurement circuit. The first measurement circuit is configured to measure the signal output from the pixel. The addition circuit is configured to add measured values of a plurality of the first measurement circuits. The second measurement circuit is configured to measure a time from when each of the plurality of first measurement circuits starts measuring the signal to when the measured values added by the addition circuit reach a first threshold value.

Photoelectric conversion apparatus having measurement circuits, imaging apparatus, control method, and storage medium

In order to realize a photoelectric conversion device having a photoelectric conversion element for outputting a signal according to the incidence of a photon that has a low power consumption, the photoelectric conversion device includes: at least one pixel including a photoelectric conversion element that outputs a signal according to an incident photon; a photon counter that measures the number of photons incident to the pixel; a time counter that measures a time until the photon counter reaches a first threshold after starting measurement and outputs the measured time as a pixel value; and a first threshold changing unit configured to change the first threshold.

Photoelectric conversion device, image pickup apparatus, control method, and storage medium

An image capturing apparatus includes an image capturing unit configured to change a charge accumulation time for each area, a histogram calculation unit configured to calculate a histogram of a pixel value for the each area, an area increase/decrease unit configured to increase or decrease the number of divisions of the area based on the histogram calculated by the histogram calculation unit, and a determination unit configured to determine a charge accumulation time of the each area of which number has been increased or decreased by the area increase/decrease unit.

Image capturing apparatus, control method of image capturing apparatus which determines charge accumulation time based on histogram of a pixel value for each area

A prepreg sheet () is formed by stacking a plurality of unit layers () In the unit layers (), prepreg tapes (), in which a reinforced fiber bundle is impregnated with a thermosetting matrix resin composition, are disposed in rows a plurality of times. One or more of the unit layers () has a gap (G) between adjacent prepreg tapes (), and the width thereof is 10% or less of the width of the narrower of the adjacent prepreg tapes ().

Prepreg sheet, method for manufacturing same, unit layer with a covering material, method for manufacturing fiber-reinforced composite, and fiber-reinforced composite

A prepreg contains: a reinforcing fiber material; and a resin composition with which the reinforcing fiber material is impregnated. The resin composition contains an epoxy resin, an amine curing agent, and an imidazole curing agent. An amount of the amine curing agent is less than or equal to 3.8 parts by mass, relative to 100 parts by mass of the epoxy resin, and a sum of the amount of the amine curing agent and an amount of the imidazole curing agent is less than or equal to 10 parts by mass, relative to 100 parts by mass of the epoxy resin. The fiber-reinforced composite material is a cured product of the prepreg.

Prepreg and fiber-reinforced composite material

A prepreg tape in which reinforcing fiber bundles are impregnated with a thermosetting resin composition, wherein the prepreg tape has a tack value measured at 23&#xb0; C. at a plunger push pressure of 90 kPa of 5-40 kPa, a tack value measured at 45&#xb0; C. and a plunger push pressure of 150 kPa of 35-100 kPa, and a drape value at 23&#xb0; C. of 10-40&#xb0;, and includes unidirectional fibers arranged along the direction of length of the prepreg tape.

Prepreg tape and use thereof

Provided are a tow prepreg comprising a reinforcing fiber bundle impregnated with a matrix resin composition, wherein the matrix resin composition contains a component (A) (an epoxy resin), a component (B) (dicyandiamide), a component (C) (a curing accelerator), and a component (D) (a core-shell type rubber particle), and a content of the component (D) with respect to 100 parts by mass of the component (A) is from 20 to 70 parts by mass, a viscosity is from 3 Pa&#xb7;s to 80 Pa&#xb7;s at 30&#xb0; C., and a minimum viscosity to be obtained when a viscosity is measured by raising a temperature from room temperature to 130&#xb0; C. at a rate of temperature rise of 2.0&#xb0; C./min is from 0.04 Pa&#xb7;s to 1 Pa&#xb7;s, which exhibits excellent drape property and tackiness and less stickiness and can be unwound at a high speed; and a composite material-reinforced pressure vessel having fewer voids in a reinforcing layer which is obtainable by using the tow prepreg, a high burst pressure, and an excellent appearance due to appropriate resin flow.

Tow prepreg, composite material-reinforced pressure vessel, and method of producing composite material-reinforced pressure vessel

An epoxy resin composition, the epoxy resin composition including components (A1) to (C1) described below, wherein the content of the component (B1) is 8 to 20 parts by mass relative to 100 parts by mass of the component (A1), and the content of the component (C1) is 12 to 110 parts by mass relative to 100 parts by mass of the component (A1): component (A1): an epoxy resin; component (B1): a boron trihalide-amine complex; and component (C1): rubber particles.

Epoxy resin composition

There is provided a rendererthat renders a graphics indicator(or) which is displayed on a display screenof a displayand which indicates an indication value in synchronization with a short hand

Display control apparatus, meter system, and display control method

The present invention provides a piezoelectric substance of single crystal or uniaxial crystal type in which three lattice lengths a, b and c of a unit lattice of the piezoelectric substance are smaller than lattice length a, band cof a unit lattice of a bulk state of single crystal having the same temperature and same composition, respectively, and a volume of the unit lattice of the piezoelectric substance is smaller than a volume of the unit lattice of the bulk state of single crystal having the same temperature and same composition.

Piezoelectric substance and manufacturing method thereof, piezoelectric element and liquid discharge head using such piezoelectric element and liquid discharge apparatus

A piezoelectric device includes a piezoelectric member and a pair of electrodes, and for piezoelectric constants dand dof the piezoelectric member, the following relational expression (I) is established:0.1&#x2266;||&#x2266;1.8. &#x2003;&#x2003;(I)

Piezoelectric device, liquid discharge head employing this device and liquid discharge apparatus

Growing community of inventors

Chiyoda-ku, Japan

Satoshi Okamoto