Murata Kikai Kabushiki Kaisha

Murata Machinery, Ltd.

Tetsuya Kuwahara

Kazuaki Oshita

Wataru Kitamura

Mitsuo Satomi

Yasuhisa Ito

Munekuni Oshima

Akio Nomura

Toshihiro Fujiwara

Makoto Yamamoto

Eiichi Morimoto

Shinji Kawasaki

Masaaki Toda

Eiji Hosobuchi

Yoshinori Nakai

Masaki Tachibana

Eiji Sugihara

Shigeru Yamamoto

Yuya Kamitake

In a control method, a controller obtains equipment specifying information that specifies an equipment to which a transportable object is to be delivered, and a transport carriage obtains carriage position information indicating the position of the transport carriage. Any one of the transport carriage, a specific communication device, and the controller calculates the distance between the transport carriage and the specific communication device based on delivery position information indicating the position of a specific equipment and the carriage position information, and determines whether the distance is not more than a predetermined distance. When the distance is not more than the predetermined distance, one of the transport carriage and the specific communication device transmits, wirelessly to the surroundings, a trigger signal to start wireless communication between the transport carriage and the specific equipment, and performs wireless communication to deliver the transportable object between the transport carriage and the specific equipment.

Control method, transport system, and communication device

A communication method of a transport system including of transport carriages each transporting a transported object, and communication devices connected one-to-one with loading ports onto which the transported objects are loaded. The communication devices are communicably connected to each other in advance. The communication method includes transmitting, from a specific transport carriage to the communication devices, a first signal having a specific communication as a final transmission destination, and receiving, in the specific communication device, the first signal from the specific transport carriage through a communication channel that passes through another communication device. The first signal is a signal communicated for the specific transport carriage to transfer the transported object to and from a specific loading port connected one-to-one with the specific communication device.

Communication method, transport system, and communication device

A travel system includes a travelling carriage that travels on a predetermined track, access points including first APs that wirelessly communicate with the travelling carriage and second APs that wirelessly communicate with the travelling carriage in a communication slot different from a communication slot of the first APs, and a controller that, via any one of the access points, receives from the travelling carriage position information indicating the current position of the travelling carriage, and transmits to the traveling carriage a travel instruction to control travel of the travelling carriage. The travelling carriage includes a wireless interface that wirelessly communicates with one of the first APs, and wirelessly communicates with one of the second APs when wireless communication with the one of the first APs is not possible.

Travel system and control method of travel system

A method includes: (a) transmitting, by the control device, control data containing one of the plurality of second parameters to the relay device; (b) determining, by at least one of the control device or the relay device, whether the one of the plurality of second parameters matches one of the plurality of first parameters; and (c) transmitting, by the relay device, the control data received from the control device in (a), using one of the plurality of interfaces of the relay device for which the one of the plurality of second parameters is set if it is determined in the determining that the one of the plurality of first parameters matches the one of the plurality of second parameters.

Method of a communication system having a control device and a relay device

A communication method includes: switching an operation mode of a first station from a first operation mode to a second operation mode; transmitting a first signal from the first station to a second station; transmitting data from the second station to the first station in response to the first signal; storing the data received by the first station from the second station into a storage of the first station; switching the operation mode of the first station from the second operation mode to the first operation mode; transmitting a second signal from an access point to the first station; and transmitting the data stored into the storage from the first station operating in the first operation mode to the access point in response to the second signal.

Communication method and communication system

A communication system includes a plurality of controlled devices each including communication IFs compliant with EtherCAT standards; network connected to communication IF of each of controlled devices, network connected to communication IF of each of controlled devices; control apparatus capable of sending out first control data for controlling controlled devices to network; control apparatus capable of sending out second control data for controlling controlled devices to network; and main control apparatus that performs first control that causes control apparatus to send out the first control data. Main control apparatus further performs second control that causes control apparatus to send out the second control data when the sent first control data fails to reach at least one of controlled devices.

Communication system, controlled device, and control method for communication system

A method for controlling a conveyance system includes transmitting, by a specific conveyance vehicle specific transfer location information to a management device, extracting from correspondence information by the management device, specific communication-device address information corresponding to the specific transfer location information received from the specific conveyance vehicle, and transmitting to the specific conveyance vehicle by the management device the specific communication-device address information extracted, and executing by the specific conveyance vehicle using the specific communication-device address information received from the management device communication with a first communication device connected to a first semiconductor manufacturing device to transfer a FOUP between the first semiconductor manufacturing device and the specific conveyance vehicle.

Method for controlling conveyance system, conveyance system, and management device

An unmanned traveling vehicle includes a block information acquirer that acquires position information on blocks each of which is a range of positions in an area within which the unmanned traveling vehicle is allowed to travel and channel information indicating a wireless channel available inside each of the blocks, a position acquirer that acquires a current position of the unmanned traveling vehicle, a determiner that identifies a block including the current position acquired by the position acquirer from among the blocks with reference to the position information, and determines, with reference to the channel information, a wireless channel to be used for wireless communication inside the block identified, and a communicator that performs the wireless communication by the wireless channel determined by the determiner and indicated by the channel information.

Unmanned traveling vehicle, travel system, and method for controlling unmanned traveling vehicle

A conversion device for interconversion of wired communication and wireless communication includes a wired IF, a wireless IF, a converter that retains a first MAC address of a communication terminal connected to the wired IF and uses the first MAC address to convert wired communication in which the communication terminal is a destination into wireless communication and convert wireless communication in which the communication terminal is a source into wired communication between the wired IF and the wireless IF, and a controller that receives a communication packet including an IP address and a second MAC address through the wireless IF, and when the second MAC address included in the received communication packet is the same as the first MAC address, sets the IP address included in the received communication packet as an IP address of the conversion device.

Conversion device, communication system, method for controlling conversion device, and method for controlling communication system

The present invention is intended to provide a print data transmitting device that can teach an operator a recommended print condition corresponding to a size of recording paper in a printing apparatus. The print data transmitting device is configured to include: a print condition storage part that retains a print condition specified by a user as a user-specified print condition; a print condition comparing part that compares a recommended print condition, which is obtained from print setting information including a size of recording paper and availability of double-sided printing and corresponds to the size of the recording paper, and the user-specified print condition with each other; a changing screen display part that, in the case where the user-specified print condition does not coincide with the recommended print condition, displays a changing screen that includes the recommended print condition and is arranged with a selection button for selecting the recommended print condition as a print condition; a print condition changing part that, on the basis of an operation of the selection button, changes the user-specified print condition; a print data generating part that, on the basis of a print instruction, generates print data including the user-specified print condition; and a print data transmitting part that transmits the print data.

Network printing system, printing apparatus, printing data transmitting device, and computer program

A network printer includes a communication unit for carrying out transmission/reception of data via a network and a recording unit for printing out received print data. The communication unit includes a priority level determination unit, when second print data is accepted during reception of first print data, for determining priority between the first and second print data, and a first persistent connection control unit for executing a persistent connection control that prohibits a transmission source of print data determined as lower priority data from transmitting the print data while a session is being connected with the transmission source, and for permitting a transmission source of print data determined as higher priority data to transmit the print data.

Network printer

A network multifunction peripheral includes an NIC that conducts communication with a LAN and a recording unit that can be put in a normal power state and a low-power consumption state. The recording unit processes received data when the recording unit is in the normal power state. The NIC includes a transmit-receive unit that transmits and receives data, a power state determining unit that determines the power state of the recording unit, a start-up signal output unit that outputs a start-up signal when a session establishment request signal is received from a PC and when determined that the recording unit is in the low-power consumption state, and a persistent connection control unit that performs persistent connection control to prohibit the PC from transmitting the data while a session is maintained with the PC until the recording unit is started up.

Network device

An image forming device for printing print data received from a terminal device through a communication network; the image forming device including an acquiring unit, a storing unit, a determining unit, and a print control unit. The acquiring unit acquires terminal identification information of the terminal device from the terminal device to install a printer driver. The acquired terminal identification information is stored in the storing unit. When the print data is received and determination is made by the determining unit that the terminal identification information contained in the received print data does not match the terminal identification information stored in the storing unit, the print control unit accepts a print instruction from a user and executes printing of the received print data according to the print instruction.

Image forming device

A network interface controller includes a first NIC connected to a LAN and a second NIC, which can proceed to a low power consumption status, connected to the first NIC via a bus. The first NIC includes a storing unit arranged to store response history information transmitted from the second NIC, a registration determining unit arranged to determine whether the received data has been registered in the response history information when network data is received and the status of the second NIC is the low power consumption status, a transmitting unit arranged to transmit response data registered in association with the received data when the received data has been registered, and an activation signal transmitting unit arranged to transmit an activation signal to the second NIC when the received data has not been registered.

Network interface apparatus

A facsimile driver program recorded in a program recording medium is installed in a client device for a user to enter the type of process requested of a multifunction device. A first transmission unit transmits a command to the multifunction device asking for a screen corresponding to the entered type of process. Using the facsimile driver program, a user can make appropriate selections so that, even when the multifunction device has a plurality of server functions, the user is not required to go through needless operations.

Growing community of inventors

Kyoto, Japan

Tetsuya Kuwahara