Omron Corporation

Katsumi Matsushita

Hiroyuki Ibuki

Yasuyuki Ohba

Atsushi Nomura

Hiroyuki Mino

Norihisa Takahashi

Kenichi Tabata

Daiki Ando

Takuto Ohzawa

Yasuyuki Oba

Yasuyuki Ooba

An autonomous work system includes a charging station and an autonomous work machine. The charging station includes a power transmitter unit. The autonomous work machine includes a traveling body, a motor, a battery, and a power receiver unit. The battery supplies electric power to the motor. The autonomous work machine performs a predetermined task while autonomously traveling, moves to the charging station to charge the battery by wireless power transfer. The power transmitter unit includes a power-transmitting coil. The power-transmitting coil is arranged parallel to an installation surface on which the charging station is placed. The power receiver unit includes a power-receiving coil. The receiving coil is arranged parallel to the installation surface. The autonomous work machine moves to the charging station so that the power-receiving coil is positioned above the power-transmitting coil, and charges the battery.

Autonomous work system and autonomous work machine

A power feeding station according to one or more embodiments may include a feeder including a feeder coil that feeds power to a receiver in an electric mobility vehicle, a power supply circuit that supplies AC power to the feeder coil, and a control circuit that controls a frequency and a voltage of the AC power. The control circuit provides, through a notification source a notification of guidance about a stop position of the electric mobility vehicle relative to a housing to increase power transmission efficiency from the feeder to the receiver in accordance with the frequency of the AC power supplied to the feeder coil with which the receiver outputs a constant voltage or in accordance with the voltage of the AC power supplied to the feeder coil with which the receiver outputs a constant and predetermined voltage.

Power feeding station

A wireless power supply system supplies power to an electrical device by wireless power supply. The electrical device is equipped with a power receiving unit including a power receiving coil. The wireless power supply system includes a flat surface, a power transmitting unit, and a standing portion. The electrical device is placed on the flat surface. The power transmitting unit includes a power transmitting coil disposed below the flat surface. The power transmitting unit supplies power to the power receiving unit by the wireless power supply. The standing portion defines, on the flat surface, a boundary between the outside and the inside of a placement area for the electrical device for supplying power from the power transmitting unit to the power receiving unit by the wireless power supply. The standing portion protrudes from the flat surface.

Wireless power supply system

A DC motor control device includes a communication circuit configured to receive a control command specifying a target rotation amount for a DC motor, a sensor interface configured to receive a detection signal from a rotational angle sensor that outputs the detection signal every time the DC motor rotates by a certain rotational angle, a step counter that outputs a count signal every time the detection signal has been received a certain number of times, a controller that, based on the number of times the count signal received, determines a step count representing the total amount of rotation, and generates a control signal that controls the DC motor in accordance with the step count and the target rotation amount, and a drive signal generation circuit that generates a drive signal that rotates the DC motor in accordance with the control signal.

DC motor control device and game machine

A movable body drive device that controls a drive unit configured to drive a movable body arranged on a game machine has a communication unit that receives a control command for regulating a destination position of the movable body, a storage unit that stores a current position of the movable body, and a control unit that determines, based on a difference between the destination position and the current position or a moving direction in an immediately previous action of the movable body, a moving direction in the next action of the movable body and to control the drive unit such that the movable body is moved along the moving direction in the next action until the movable body reaches the destination position.

Movable object driving device and game machine

A drive control system has: a plurality of drive control devices; and an upper-level control device to which each of the drive control devices is connected in parallel with each other via a common signal line. The upper-level control device transmits a common information acquirement request signal to each of the drive control devices. Upon receiving the information acquirement request signal, each of the drive control devices determines transmission start timing for a response signal based on transmission sequence information indicating its transmission sequence and a length of the response signal such that the response signal does not temporally overlap with a response signal being transmitted from another drive control device to the upper-level control device. Each of the drive control devices transmits the response signal to the upper-level control device via the signal line at its transmission starting timing.

Drive control device and drive control system

A motor control device has a communication unit that receives a control command comprising a motor type identification signal and a rotation signal, wherein the motor type identification signal indicates whether a control object motor is a stepping motor or a DC motor, and wherein the rotation signal designates a target rotation amount and a target rotation speed of the motor, a sensor interface that receives a detection signal from a rotation angle sensor when the control object motor is the DC motor, wherein the rotation angle sensor outputs the detection signal every time the motor rotates by a first rotation angle, a DC motor drive signal generator that generates and outputs a first drive signal rotating the DC motor at the target rotation speed, and a stepping motor drive signal generator that generates and outputs a second drive signal rotating the stepping motor at the target rotation speed.

Motor control device and game machine

A light source control device configured to control a plurality of light sources provided in a game machine, an anode of each of the plurality of light sources being connected to one of at least one first signal wire, a cathode being connected to one of a plurality of second signal wires, the light sources differing from each other in a set of the connected first signal wire and second signal wire, has a plurality of first output pins, a plurality of second output pins, an interface, a storage, a dynamic controller, a period-setting unit, and a gradation controller. Each of the plurality of first output pins is provided in corresponding one of the at least one first signal wire. The plurality of first output pins connect to a drive circuit that switches whether power is supplied to the first signal wire.

Light source control device and game machine

A game machine has a game machine main body, a plurality of light sources arranged on the game machine main body, a light source control device that controls the plurality of light sources, and a rendition control unit that controls a rendition depending on a state of a game. Each of the plurality of light sources has an anode connected to any one of a plurality of first signal lines, a cathode connected to any one of a plurality of second signal lines, and a different combination of the connected first signal lines and the connected second signal lines.

A drive control device having: a storage circuit configured to store a reference rotational speed table; a drive signal generation circuit configured to output a drive signal to the direct current motor; and a control circuit. When an absolute value of a difference between a second rotational speed corresponding to a first rotational direction and a third rotational speed corresponding to a second rotational direction is equal to or larger than a predetermined threshold, the control circuit creates separate rotational speed tables for the first rotational direction and the second rotational direction in which each rotational speed table indicates a relation between a rotational speed and an electric power amount per unit time, and determines an amount of electric power that is supplied to the direct current motor which corresponds to a designated rotational speed according to the rotational speed table selected in accordance with a designated rotational rotation.

Growing community of inventors

Gifu, Japan

Katsumi Matsushita