Kddi Corporation

Mitsubishi Heavy Industries Limited

Hitachi Automotive Systems, Ltd.

Mitsubishi Hitachi Power Systems, Ltd.

Mitsubishi Power, Ltd.

Hitachi, Ltd.

Omoide Inc.

Hiroki Takeda

Shingo Watanabe

Shinichi Isobe

Wataru Yamada

Shigeki Senoo

Yoshitomo Noda

Tohma Yamaguchi

Takehiko Nishida

Yuichi Sekine

Kazuki Hosono

Takuyoshi Yamada

Xiao Shao

Yanwei Li

Yasutomo Miyake

Chihiro Myoren

Hirotaka Oikawa

Takashi Yokoyama

Yasuo Takahashi

Daisuke Goto

Toshiyuki Ajima

Junichi Ikeda

Takeo Ohseki

Kimihisa Furukawa

Mitsuhide Sasaki

Tomoyuki Onishi

Ryo Akiyama

Takuzo Shigihara

Kenji Nanataki

Yuki Ogihara

Kentarou Ueno

Yoshihide Wadayama

Ryo Kawabata

Kazuhiro Tamura

Tadashi Murakata

Keiichiro Miyajima

Tomoyuki Matsui

Yoshitaka Takaku

Kazuhiro Okuno

Jungyeon Hong

Motoharu Ueda

Toshiaki Kokufuda

Takuma Ikemoto

Kou Shou

A base station apparatus performs, for a currently connected terminal apparatus, setting of a radio resource control (RRC) layer for another base station apparatus that is a destination candidate for a handover by the terminal apparatus from the base station apparatus, instructs the terminal apparatus to transmit a random access preamble to the other base station apparatus via a physical downlink control channel (PDCCH) order without handover to the other base station apparatus being performed, and transmits, to the terminal apparatus, a command instructing for handover to the other base station apparatus in response to the terminal apparatus being in a state for handover to the other base station apparatus.

Terminal apparatus, and control method for performing handover having enhanced communication efficiency

A wireless communication device installed in a flying vehicle, includes a wireless communication part configured to receive a wireless signal transmitted from a wireless base station, a cell counter configured to count the number of cells corresponding to wireless base stations identified by wireless signals received by the wireless communication part, and a communication controller configured to change a communication party selecting method to select the wireless base station serving as a communication party from among a plurality of wireless base stations serving as communication party candidates when an increment or a decrement of a unit-time cell count representing the counting result of the cell counter in a predetermined time is equal to or more than a predetermined threshold.

Wireless communication device, communication control method, and computer program

Provided with a technology capable of delivering a memory of a user to the future easily and facilitating to deliver the memory. An information processing device of the present disclosure is an information processing device for managing a message posted by a user. The information processing device includes a control unit configured to acquire the message posted by the user and transmit the message to a predetermined recipient in accordance with a predetermined distribution schedule, the predetermined recipient being preliminarily determined, wherein the control unit is further configured to transmit a notification to a user terminal of the user at a predetermined timing for guiding the user to post the message.

Information processing device, information processing method and information processing program

A base station apparatus, configured to establish a wireless link for a backhaul line with a relay apparatus, and provide a first period in which a radio resource is used by the base station apparatus for the backhaul line, and a second period in which the radio resource is not used by the backhaul line.

Base station apparatus, terminal apparatus, and control methods for the same for cellular communication network in which relay communication is performed

A terminal apparatus obtains, from a base station apparatus that is currently connected to the terminal apparatus, a communication parameter that is to be used when the terminal apparatus is connected to a candidate base station apparatus that is a candidate for handover destination and a condition for executing handover to the candidate base station apparatus; and transmits, to the candidate base station apparatus, a message that includes identification information associated with the obtained communication parameter, when handover to the candidate base station apparatus is performed based on the obtained condition.

Terminal apparatus, base station apparatus, control method, and computer-readable storage medium for executing conditional handover

A fluid machine includes: a shaft portion extending in an axis direction; a shroud provided to surround the shaft portion and having a diameter decreasing from an upstream side on one side in the axis direction toward a downstream side on another side in the axis direction, a flow path being formed between the shroud and the shaft portion and having a flow path cross-sectional area decreasing toward the downstream side; a propeller rotatably provided about an axis between the shaft portion and the shroud and configured to pump a fluid from the upstream side toward the downstream side; and a motor provided to correspond to the propeller, the motor including a rotor having a ring-like shape and being fixed to an outer circumference portion of the propeller and accommodated in the shroud and a stator having a ring-like shape surrounding the rotor and being fixed in the shroud, in which the motor is a conical motor in which diameters of the rotor and the stator decrease from the upstream side toward the downstream side.

Fluid machine and underwater vehicle

A fluid machine includes: a shaft portion; a shroud having an inside surface with a diameter decreasing from an upstream side toward a downstream side, a flow path being formed between the shroud and the shaft portion and having a flow path cross-sectional area decreasing toward the downstream side; a propeller rotatably provided about an axis between the shaft portion and the shroud and configured to pump a fluid from the upstream side toward the downstream side; and a motor provided to correspond to the propeller and including a rotor having a ring-like shape fixed to an outer circumference portion of the propeller and accommodated in the shroud and a stator having a ring-like shape surrounding the rotor and fixed in the shroud, in which a plurality of the propellers are provided to be spaced apart in the axis direction, the motors are provided in an identical number to the propellers to correspond to each of the propellers, and of a plurality of motors, the rotor of the motor positioned more on the downstream side has a smaller average outside diameter.

Fluid machine for underwater vehicle and underwater vehicle

A relay apparatus for wirelessly relaying communication between a base station apparatus and a terminal apparatus determines, when a connection destination apparatus of wireless connection in a relay path is changed while being connected to a first base station apparatus via a relay path, whether a base station apparatus connected via the changed connection destination apparatus is the first base station apparatus or a second base station apparatus different from the first base station apparatus, and executes, when the base station apparatus connected via the changed connection destination apparatus is the second base station apparatus, first setting concerning a relay path after the change, and executing, when the base station apparatus connected via the changed connection destination apparatus is the first base station apparatus, second setting different from the first setting and concerning a relay path after the change.

Relay apparatus for relay communication, control method, and storage medium

A fluid machine includes: a shaft portion extending in an axis direction; a shroud provided to surround the shaft portion, and forming a flow path between the shroud and the shaft portion, the flow path having one side in the axis direction serving as an upstream side and another side in the axis direction serving as a downstream side; a first propeller provided rotatably around the axis between the shaft portion and the shroud; a second propeller provided rotatably around the axis between the shaft portion and the shroud on the downstream side of the first propeller; an outer periphery driving motor provided in the shroud and configured to rotationally drive the first propeller; and an inner periphery driving motor provided in the shaft portion and configured to rotationally drive the second propeller in a direction opposite to the rotational direction of the first propeller.

A fluid machine includes: a shaft portion extending in an axis direction; a shroud provided to surround the shaft portion, and forming a flow path between the shroud and the shaft portion, the flow path having one side in the axis direction serving as an upstream side and another side in the axis direction serving as a downstream side; a propeller provided rotatably around the axis between the shaft portion and the shroud; a motor provided in the shroud and configured to rotationally drive the propeller; and a bearing apparatus provided only to the shaft portion, out of the shroud and the shaft portion, and rotationally supporting the propeller.

Abase station apparatus acquires, for a cell formed by the base station apparatus, a list of area identifiers belonging to a tracking area the same as that of the cell and information of an area identifier of a neighbor cell adjacent to the cell, determines whether or not the area identifier of the neighbor cell is included in the list, and notifies a terminal apparatus of information in which information of the neighbor cell and a result of the determining are associated together.

Base station apparatus, terminal apparatus, control method, and computer-readable storage medium for efficient tracking

A terminal apparatus acquires, from a base station apparatus, first information indicating a first priority and second information indicating a second priority different from the first priority for when selecting a connection destination cell relating to a plurality of frequency bands, and third information indicating whether the base station apparatus can execute a predetermined function in one or more predetermined frequency bands from among the plurality of frequency bands, and selects a connection destination cell, on a basis of the third information and the predetermined function that can be executed by the terminal apparatus, according to the first priority when the base station apparatus and the terminal apparatus can execute a predetermined function in the predetermined frequency band and according to the second priority when the base station apparatus or the terminal apparatus cannot execute a predetermined function in the predetermined frequency band.

Terminal apparatus that executes cell selection in accordance with frequency band priority, control method for same, and computer-readable storage medium

A detection device is for detecting a passage timing of a turbine blade. This detection device is provided with: a sensor including a magnet and a coil that is disposed at a position subject to magnetic flux generated by the magnet and is configured to detect an induced electromotive force based on a change in the magnetic flux accompanying passage of the turbine blade; and an analyzer configured to detect the passage timing of the turbine blade, on the basis of an integrated signal obtained by integrating a signal based on the induced electromotive force.

Detection device, rotary machine, and detection method

Growing community of inventors

Tokyo, Japan

Hiroki Takeda