Honda Motor Co., Ltd.

Canon Kabushiki Kaisha

Fujifilm Business Innovation Corp.

Koji Aoki

Masaru Nakayama

Yoshimitsu Ishida

Tsutomu Yoshino

Hisashi Murakami

Yoshiyuki Horii

Naoki Kobayashi

Satoshi Nakamura

Keiji Ishizuka

Takashi Sone

Satoshi Honda

Tadashi Matsumoto

Seiji Kato

Kuniaki Ikui

Naoki Kamimura

Yukinori Kurakawa

Tsutomu Ando

Tetsuya Tateno

Kenji Nishida

Toshiaki Takamura

Kazumi Shibata

Susumu Igarashi

Tatsuya Shiokawa

Motohisa Ito

Tomohiro Tsukamoto

Jun Morimoto

Tetsuya Kaneko

Tomiyuki Sasaki

Katsumi Sahoda

Tatsuya Suzuki

Kazuto Fukuzawa

Eiki Aoyama

Yuichi Kawasaki

Ranju Imao

Atsushi Otsu

Daisuke Kuramochi

Yui Tadano

Mitsuhiro Inagaki

Yoshiyuki Takagi

A platooning system for causing multiple vehicles to travel in a platoon includes: a management device configured to set an order of the vehicles in the platoon; a transmission device mounted on each vehicle and configured to transmit driving information regarding a driving state of the vehicle; a reception device mounted on each vehicle and configured to receive the driving information of at least one of the vehicles; and a control device mounted on each vehicle and configured to control an operation of the vehicle based on the driving information, wherein the management device is configured to arrange the vehicles from a front end to a rear end with respect to a travel direction in an ascending order of driving performances of the vehicles.

Platooning system

A semiconductor integrated circuit includes a first circuit connected to a power supply line, a determination portion configured to determine whether a voltage drop in the power supply line affects an operation of the first circuit, and a power supply voltage control portion configured to control change of a power supply voltage value on the basis of a determination result of the determination portion.

Circuit and method for controlling power supply voltage based on predicted voltage drop

Provided is a zoom lens including, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a negative refractive power. In the zoom lens, an interval between each pair of adjacent lens units is changed during zooming, and the first lens unit is configured not to move for zooming. Further, a total length DT of the zoom lens at a telephoto end, a focal length fT of the zoom lens at the telephoto end, a distance BW of a back focus at a wide-angle end, a total length DW of the zoom lens at the wide-angle end, and a focal length f3 of the third lens unit are each appropriately set.

Zoom lens and image pickup apparatus including the same

An information processing apparatus includes a first cryptographic communication control unit, a second cryptographic communication control unit, and a timeout control unit. The first cryptographic communication control unit issues an encrypted connection request to a communication destination node and performs cryptographic communication. The second cryptographic communication control unit issues, concurrently with the connection request by the first cryptographic communication control unit, a connection request by plain text to the communication destination node, establishes connection, and then performs cryptographic communication. The timeout control unit changes a period for a timeout set in advance for the connection request by the first cryptographic communication control unit in a case where a response to the connection request by the second cryptographic communication control unit is received from the communication destination node before a response to the connection request by the first cryptographic communication control unit is received from the communication destination node.

Information processing apparatus and non-transitory computer readable medium

An imaging optical system includes, in order from an enlargement conjugate side to a reduction conjugate side, a first mirror as a convex mirror, a first lens unit, a second mirror as a concave mirror, a third mirror as a concave mirror, and a second lens unit. The imaging optical system is configured to form a first intermediate real image and a second intermediate real image located at a position different from that of the first intermediate real image between the first mirror and a reduction side conjugate plane.

Imaging optical system, image projection apparatus, and camera system

An optical system includes an aperture stop, and an optical member that is removably insertable in an optical path defined by an object side and an image side of the optical system, the optical member is disposed on the image side of the aperture stop. In a first focus range between infinity and a first finite distance, the optical member is removed from the optical path. In a second focus range between a second finite distance shorter than the first finite distance and a third finite distance shorter than the second finite distance, the optical member is inserted in the optical path. The thickness of the optical member on the optical axis and the focal length of the optical member are suitably determined.

Optical system and image pickup apparatus including the same

An attachment optical system detachably attached to an image capturing optical system, includes a first lens provided with a first aspherical surface including a plurality of concave portions and convex portions that are formed in a rotation direction with respect to an optical system, and a second lens provided with a second aspherical surface including a plurality of concave portions and convex portions that are formed in a rotation direction with respect to the optical axis, and a distance between the first aspherical surface and the second aspherical surface in an optical axis direction changes by relatively rotating the first lens and the second lens around the optical axis.

Attachment optical system, image capturing optical system, and image capturing apparatus

To obtain a zoom lens easily performing image blur correction and maintaining optical performance while performing image blur correction while restricting an increase in size of the lens. A zoom lens including, in order from an object side: a positive first unit; a negative second unit; a positive third unit; and a rear group that has one or more units. Spacings between adjacent units change during zooming. First and second correction systems rotatable about first and second centers on or in the vicinity of an optical axis during blur correction are respectively constituted by at least a part of the second unit and at least a part of an optical system disposed on image side of the second unit. The first and second centers are on image side of a surface vertex of the respective first and second correction systems closest to the object side.

Zoom lens and image pickup apparatus having the same

Provided is an image pickup apparatus, including: an image pickup optical system including a protection lens, which is arranged closest to a light incident side and has a convex-shaped surface on light incident side; and a housing houses the image pickup optical system, in which the image pickup optical system includes an aperture stop, and an optical systems A and B, which are arranged on an image side of aperture stop to be selectively placed in an optical path of image pickup optical system, the optical systems A and B having mutually different optical characteristics, and in which the housing separates a medium outside of housing and an inside of housing, and in which the image pickup apparatus further includes a switching unit selectively places one of optical systems A and B in optical path of image pickup optical system depending on a medium outside housing.

Image pickup apparatus

A cushion member is swingable with respect to a main frame about a fourth rotation axis to be expanded and compressed according to a movement of a front wheel. A first arm is swingable with respect to a front fork supporting member about a fifth rotation axis and with respect to the main frame about a sixth rotation axis. A second arm is swingable with respect to the front fork supporting member about a seventh rotation axis, with respect to the cushion member about an eighth rotation axis, and with respect to the main frame about a ninth rotation axis. The fourth to ninth rotation axes are substantially parallel to one another. The fourth rotation axis is provided to be substantially perpendicular to a plane including a second rotation axis about which the front fork is turnable.

Front wheel supporting frame structure of saddle-ride vehicle

A front wheel supporting frame structure of a saddle-ride vehicle includes a main frame, upper and lower arms and a lower frame. The main frame has a front portion and a rear portion. The main frame includes an upper connection portion, a lower connection portion, and an extending portion. The extending portion extends downward. The upper arm has an upper front end portion and an upper rear end portion. The upper rear end portion is movably connected to the upper connection portion. The lower arm has a lower front end portion and a lower rear end portion. The lower rear end portion of is movably connected to the lower connection portion. The lower frame includes a bottom portion and an upright portion. The bottom portion extends in the vehicle front-rear direction. The upright portion has a top portion connected to the extending portion.

An electric vehicle can include a power unit including a speed reduction device coupled to a motor output shaft. Two systems can be provided which are a drive-power transmission path to transmit rotation of a motor to a wheel hub, and a regenerative-power transmission path to transmit rotation of the hub to the motor. A drive-side one-way clutch is provided between the hub and a second internal gear being the final-stage gear in the drive-power transmission path and is configured to transmit rotation of the drive-side final-stage gear to the hub. A regeneration-side one-way clutch is provided between the hub and a regeneration-side first-stage gear and is configured to transmit rotation of the hub to the regeneration-side first-stage gear.

Electric vehicle

A vehicular display device includes an information display portion disposed on a housing provided forwardly of a driver's seat. The information display portion has a display screen disposed in opposed relationship to the driver's seat. The display device further includes a holder unit disposed rearwardly of the housing in opposed relationship with the information display portion, and a mobile terminal detachably retained between the holder unit and the housing.

Vehicular display device

To prevent a reduction in engine load detection accuracy due to variations in reluctor size within mass production tolerances, an engine control unit includes a pulse generator PC that detects a reluctor to output crank pulses. An angular velocity calculating unit calculates a first crank angular velocity on the basis of an interval between two crank pulses output in a predetermined section near compression top dead center TDC, and detects near overlap top dead center OLP the same reluctor used for calculating the first crank angular velocity to calculate a second crank angular velocity on the basis of an interval between generated two crank pulses. An engine load estimating unit calculates, as an engine load, a difference between the first crank angular velocity and the second crank angular velocity. The engine load is indicated mean effective pressure over a whole cycle including negative work done by the engine.

Engine control unit

An electrically driven vehicle includes a first electric motor, a second electric motor, a first power drive device, a second power drive device, a first heat sink, a second heat sink, a baffle member, a first air guide passage, and a second air guide passage. The baffle member closes a space defined between the first power drive device and the second power drive device at a first end and a second end of the space. The first air guide passage houses the first heat sink. The first air guide passage is provided between a first partition wall and the first power drive device. The second air guide passage houses the second heat sink. The second air guide passage is provided between the first partition wall and the second power drive device.

Growing community of inventors

Wako, Japan

Koji Aoki