Patent application number | Description | Published |
20100214962 | COMMUNICATION NODE, AND TOKEN ISSUING METHOD AND TOKEN-RING COMMUNICATION METHOD IN RING COMMUNICATION SYSTEM - A communication node includes a token-start-right acquisition processor that issues a token-start-right acquisition frame containing specific information, determines a priority based on predetermined reference using specific information for other communication node and the specific information for the own communication node upon reception of a token-start-right acquisition frame from the other communication node, issues the token-start-right acquisition frame at a predetermined time interval when the own communication node has a higher priority than the other communication node, and stops issuing the token-start-right acquisition frame when the own communication node has a lower priority than the other communication node, to forward the token-start-right acquisition frame of the other communication node, and also includes a token start processor that passes the token frame to the ring upon reception of the token-start-right acquisition frame which is issued by the token-start-right acquisition processor and circulates around the ring. | 08-26-2010 |
20100217791 | COMMUNICATION NODE, AND TOKEN ISSUING METHOD AND TOKEN-RING COMMUNICATION METHOD IN RING COMMUNICATION SYSTEM - A communication node includes a token-start-right acquisition processor that issues a token-start-right acquisition frame containing specific information, determines a priority based on predetermined reference using specific information for other communication node and the specific information for the own communication node upon reception of a token-start-right acquisition frame from the other communication node, issues the token-start-right acquisition frame at a predetermined time interval when the own communication node has a higher priority than the other communication node, and stops issuing the token-start-right acquisition frame when the own communication node has a lower priority than the other communication node, to forward the token-start-right acquisition frame of the other communication node, and also includes a token start processor that passes the token frame to the ring upon reception of the token-start-right acquisition frame which is issued by the token-start-right acquisition processor and circulates around the ring. | 08-26-2010 |
20110261725 | COMMUNICATION MANAGEMENT DEVICE, COMMUNICATION DEVICE, AND COMMUNICATION METHOD - The communication management device includes a logical-ring configuring unit that determines a transmission order of a token frame in a network and configures a logical ring; a multicast-address generating unit that generates a multicast address from a MAC address of the communication management device; a multicast-address notifying unit that notifies a slave station configuring the logical ring of the multicast address; and a token-frame processing unit and a data-frame-communication processing unit that transmit a frame having a destination address to which the multicast address is set, and not performing a receiving process of a frame when a destination address of the received frame does not coincide with the multicast address. | 10-27-2011 |
20120099480 | COMMUNICATION MANAGEMENT APPARATUS, COMMUNICATION NODE, AND COMMUNICATION SYSTEM, AND DATA COMMUNICATION METHOD - The communication management apparatus includes a network-presence-check processing unit that performs network presence check processing for generating network presence information, a token-circulation-order determining unit that determines token circulation order using the network presence information, a setup processing unit that notifies each of communication nodes in the network of token circulation destination information, a token-frame processing unit that, after transmission of a data frame by a data-frame-communication processing unit, transmits, based on the token circulation order, a token frame including information concerning a transmission right acquiring apparatus that acquires a transmission right next and determines whether the transmission right acquiring apparatus of the transmission right acquiring apparatus information of the received token frame is the own apparatus, and the data-frame-communication processing unit that performs transmission and reception processing for a data frame for acquiring the transmission right. | 04-26-2012 |
20120106387 | COMMUNICATION MANAGEMENT APPARATUS, COMMUNICATION NODE, AND DATA COMMUNICATION METHOD - A communication management apparatus that manages transmission of data in a network in which plural communication nodes are connected via a transmission line in a ring shape, the apparatus including: a network-presence checking unit that transmits a network-presence-check frame in broadcast and generates network connection information indicating a connection state among the connection nodes from a received network-presence-check acknowledge frame, a token-circulation-order determining unit that determines token circulation order; a setup processing unit that performs setup processing for notifying each of the communication nodes of a token circulation destination; a data-frame-communication processing unit that performs transmission and reception of a data frame using a token frame; and a line-connection managing unit that disables, when the network has a ring configuration, any one of ports of any one of the communication nodes to prevent a connection state of the network from becoming a ring shape. | 05-03-2012 |
20120137184 | COMMUNICATION SYSTEM AND COMMUNICATION APPARATUS STATE DETERMINING METHOD - A slave station | 05-31-2012 |
20120185592 | NETWORK PERFORMANCE ESTIMATING APPARATUS AND NETWORK PERFORMANCE ESTIMATING METHOD, NETWORK CONFIGURATION CHECKING METHOD, COMMUNICATION MANAGING APPARATUS, AND DATA COMMUNICATION METHOD - A network performance estimating apparatus includes a network-configuration depicting unit configured to generate, from a designed network, network configuration information indicating a connection relation of ports among communication apparatuses and store, as attribute information, apparatus identification information including input peculiar information for each communication apparatus name and apparatus type of the communication apparatuses, a communication-apparatus-attribute-information acquiring unit configured to acquire, communication performance of the communication apparatuses specified by the apparatus identification information from peculiar information in which apparatus model names and communication performance are stored in association with each other, a token-circulation-order determining unit configured to determine, from the network configuration information, token circulation order indicating order in a designed network, and a performance estimating unit configured to calculate communication performance of the designed network using the token circulation order and the communication performance of the communication apparatuses. | 07-19-2012 |
Patent application number | Description | Published |
20090049215 | NETWORK UNIT AND PROGRAMMABLE CONTROLLER USING THE SAME - A network unit in a programmable controller of a building block mutually connects an information system network and a control system network. The network unit includes transfer analyzing units that judge to which of interface units received data received from the information system network and the control system network should be allocated. Moreover, received data that needs to be transferred is converted into predetermined data by conversion processing units included in the networks and output to the information system network or the control system network without being transmitted to a system bus. | 02-19-2009 |
20090097419 | COMMUNICATION NODE, AND TOKEN ISSUING METHOD AND TOKEN-RING COMMUNICATION METHOD IN RING COMMUNICATION SYSTEM - A communication node includes a token-start-right acquisition processor that issues a token-start-right acquisition frame containing specific information, determines a priority based on predetermined reference using specific information for other communication node and the specific information for the own communication node upon reception of a token-start-right acquisition frame from the other communication node, issues the token-start-right acquisition frame at a predetermined time interval when the own communication node has a higher priority than the other communication node, and stops issuing the token-start-right acquisition frame when the own communication node has a lower priority than the other communication node, to forward the token-start-right acquisition frame of the other communication node, and also includes a token start processor that passes the token frame to the ring upon reception of the token-start-right acquisition frame which is issued by the token-start-right acquisition processor and circulates around the ring. | 04-16-2009 |
20090103441 | COMMUNICATION APPARATUS AND SWITCHING DEVICE - A CRC calculating unit calculates a DCS code for a DA field to a DATA field and an FCS code for the DA field to a DCS field. A DCS checking unit outputs a DCS check result with a calculated DCS code and a DCS code in the DCS field to a terminal operating unit. An FCS checking unit outputs an FCS check result with a calculated FCS code and an FCS code in the FCS field to an FCS converting unit. The FCS checking unit determines whether to forward through the frame or to forward the frame by storing the calculated FCS code in the FCS field based on the FCS check result. The terminal operating unit determines a processing mode based on the DCS check result. | 04-23-2009 |
20090316588 | COMMUNICATION NODE, AND RING CONFIGURATION METHOD AND RING ESTABLISHMENT METHOD IN COMMUNICATION SYSTEM - A plurality of communication nodes are one-to-one connected to each other by Ethernet (registered trademark) which is duplicated with a normal-system ring and with a standby-system ring. The communication node includes an A port, a B port, and a communication processor that performs a process of receiving a frame output from the B port and a process of transmitting the frame from the normal-system ring from the B port when the communication is normal. When other communication node performs a loop-back process due to communication abnormality, the communication node performs only a process of forwarding a frame input from the standby-system ring in the B port without receiving the frame and performs a process of transmitting the frame from the A port to the standby-system ring. | 12-24-2009 |
20100085885 | COMMUNICATION SYSTEM, MANAGEMENT APPARATUS, COMMUNICATION APPARATUS AND COMPUTER PROGRAM - In a ring type network, a master node sends a measurement packet to a slave node in the backward direction and the forward direction, receives the measurement packet which has been circulated among a plurality of slave nodes, stores a received time of the backward direction measurement packet and a sending time of the forward direction measurement packet according to time-keeping of an internal clock, sends a measurement result notifying packet showing a sending time and a received time of the measurement packet to the slave node; each slave node receives the backward direction measurement packet and the forward direction measurement packet, sends the received measurement packet to the next node, stores the received time of the backward direction measurement packet and the sending time of the forward direction measurement packet according to the time-keeping of the internal clock, receives a measurement result notifying packet, calculates a time correction value using the sending time and the received time of the measurement packet shown in the measurement result notifying packet and the sending time and the received time of the measurement packet stored, and corrects a time of the internal clock using the calculated time correction value. | 04-08-2010 |
20100165998 | COMMUNICATION NODE, AND RING CONFIGURATION METHOD AND RING ESTABLISHMENT METHOD IN COMMUNICATION SYSTEM - A plurality of communication nodes are one-to-one connected to each other by Ethernet (registered trademark) which is duplicated with a normal-system ring and with a standby-system ring. The communication node includes an A port, a B port, and a communication processor that performs a process of receiving a frame output from the B port and a process of transmitting the frame from the normal-system ring from the B port when the communication is normal. When other communication node performs a loop-back process due to communication abnormality, the communication node performs only a process of forwarding a frame input from the standby-system ring in the B port without receiving the frame and performs a process of transmitting the frame from the A port to the standby-system ring. | 07-01-2010 |
20110238773 | DATA COMMUNICATION SYSTEM AND DATA COMMUNICATION APPARATUS - In a data communication system that performs data communication between a master station and slave stations in a token passing system employing an Ethernet (registered trademark), when a communication processing unit of a master station subjects processing for circulating a token frame between the master station and slave stations and receiving data from the slave stations to retry processing, the communication processing unit subjects the processing to the retry processing without transferring data received from the slave stations to a data processing unit that performs transmission and reception of data between the data processing unit and an arithmetic processing device. | 09-29-2011 |
20110255549 | COMMUNICATION MANAGEMENT APPARATUS, COMMUNICATION APPARATUS, AND COMMUNICATION METHOD - A communication management apparatus includes a token-circulation-order-information storing unit that stores token circulation order, a token-frame processing unit that determines whether transmission right acquiring apparatus information of the token frame indicates the own apparatus and transmits a token frame in which first transmission right acquisition determination information indicating a sequence number of a communication apparatus that can acquire a transmission right in the token circulation order, second transmission right acquisition determination information indicating the number of frames that can be transmitted during one token frame circulation, and transmission right acquiring apparatus information indicating the next transmission destination of the token frame after the own apparatus acquired from the token circulation order are set, and a data-frame-communication processing unit that transmits and receives the data frame, thereby to reduce time required until a communication node that acquired the token frame transmits data. | 10-20-2011 |
20110292837 | COMMUNICATION MANAGEMENT APPARATUS, COMMUNICATION NODE, AND COMMUNICATION SYSTEM, AND DATA COMMUNICATION METHOD - The communication management apparatus includes a network-presence-check processing unit that performs network presence check processing for generating network presence information, a token-circulation-order determining unit that determines token circulation order using the network presence information, a setup processing unit that notifies each of communication nodes in the network of token circulation destination information, a token-frame processing unit that, after transmission of a data frame by a data-frame-communication processing unit, transmits, based on the token circulation order, a token frame including information concerning a transmission right acquiring apparatus that acquires a transmission right next and determines whether the transmission right acquiring apparatus of the transmission right acquiring apparatus information of the received token frame is the own apparatus, and the data-frame-communication processing unit that performs transmission and reception processing for a data frame for acquiring the transmission right. | 12-01-2011 |
20120082170 | COMMUNICATION MANAGEMENT APPARATUS, COMMUNICATION APPARATUS, AND COMMUNICATION METHOD - A communication management apparatus includes a token-circulation-order-information storing unit that stores token circulation order, a token-frame processing unit that determines whether transmission right acquiring apparatus information of the token frame indicates the own apparatus and transmits a token frame in which first transmission right acquisition determination information indicating a sequence number of a communication apparatus that can acquire a transmission right in the token circulation order, second transmission right acquisition determination information indicating the number of frames that can be transmitted during one token frame circulation, and transmission right acquiring apparatus information indicating the next transmission destination of the token frame after the own apparatus acquired from the token circulation order are set, and a data-frame-communication processing unit that transmits and receives the data frame, thereby to reduce time required until a communication node that acquired the token frame transmits data. | 04-05-2012 |
20130148496 | COMMUNICATION MANAGEMENT APPARATUS, COMMUNICATION NODE, AND DATA COMMUNICATION METHOD - A communication management apparatus that manages transmission of data in a network in which plural communication nodes are connected via a transmission line in a ring shape, the apparatus including: a network-presence checking unit that transmits a network-presence-check frame in broadcast and generates network connection information indicating a connection state among the connection nodes from a received network-presence-check acknowledge frame, a token-circulation-order determining unit that determines token circulation order; a setup processing unit that performs setup processing for notifying each of the communication nodes of a token circulation destination; a data-frame-communication processing unit that performs transmission and reception of a data frame using a token frame; and a line-connection managing unit that disables, when the network has a ring configuration, any one of ports of any one of the communication nodes to prevent a connection state of the network from becoming a ring shape. | 06-13-2013 |
20130256639 | LIGHT EMITTING ELEMENT AND DISPLAY APPARATUS - There is provided a light emitting element including a first electrode, an organic layer having a light emitting layer, formed on the first electrode, a charge generation layer formed on the organic layer, a resistance layer formed on the charge generation layer, and a second electrode formed on the resistance layer. The first electrode reflects light emitted from the light emitting layer and the second electrode transmits the light emitted from the light emitting layer. The charge generation layer includes a layered structure of, sequentially in order from the organic layer, a mixing layer containing a chelate material, and an alkali earth metal element or an alkali metal element, and an acceptor layer containing an acceptor material. | 10-03-2013 |
20140036210 | LIQUID CRYSTAL DISPLAY PANEL - According to one embodiment, a liquid crystal display panel includes an array substrate, a counter-substrate, a liquid crystal layer and a columnar spacer. The array substrate includes a wiring including projection portion which form a dot pattern with light-blocking properties, and a first horizontal alignment film. The counter-substrate includes a second horizontal alignment film. The columnar spacer is disposed between the array substrate and the counter-substrate and is located within the dot pattern. | 02-06-2014 |
20140334313 | NETWORK PERFORMANCE ESTIMATING APPARATUS AND NETWORK PERFORMANCE ESTIMATING METHOD, NETWORK CONFIGURATION CHECKING METHOD, COMMUNICATION MANAGING APPARATUS, AND DATA COMMUNICATION METHOD - A network performance estimating apparatus includes a network-configuration depicting unit configured to generate, from a designed network, network configuration information indicating a connection relation of ports among communication apparatuses and store, as attribute information, apparatus identification information including input peculiar information for each communication apparatus name and apparatus type of the communication apparatuses, a communication-apparatus-attribute-information acquiring unit configured to acquire, communication performance of the communication apparatuses specified by the apparatus identification information from peculiar information in which apparatus model names and communication performance are stored in association with each other, a token-circulation-order determining unit configured to determine, from the network configuration information, token circulation order indicating order in a designed network, and a performance estimating unit configured to calculate communication performance of the designed network using the token circulation order and the communication performance of the communication apparatuses. | 11-13-2014 |
20150048345 | DISPLAY DEVICE AND ELECTRONIC DEVICE - There is provided a display device including a light-emitting element corresponding to a pixel for a color, and a white color filter corresponding to a white pixel. Transmittance of the white color filter is based on neutral density (ND) transmittance that is uniform throughout an entire wavelength band of visible light, and transmittance in a particular wavelength band in the entire wavelength band of the visible light is decreased to be lower than the ND transmittance. | 02-19-2015 |
20150228921 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY APPARATUS, AND MANUFACTURING METHOD OF ORGANIC ELECTROLUMINESCENT ELEMENT - There is provided an organic electroluminescent element including a plurality of light-emitting units including at least a first light-emitting unit containing at least a first light-emitting layer, and a second light-emitting unit containing at least a second light-emitting layer, and a charge generating layer disposed between the first light-emitting unit and the second light-emitting unit. The first light-emitting unit is disposed between an anode and a cathode. The second light-emitting unit is disposed between the first light-emitting unit and the cathode. A film thickness of a hole transport layer in the second light-emitting unit is not less than 10% and not more than 25% to a total film thickness of the second light-emitting unit. | 08-13-2015 |
20150241726 | LIQUID CRYSTAL DISPLAY PANEL - According to one embodiment, a liquid crystal display panel includes an array substrate, a counter-substrate, a liquid crystal layer and a columnar spacer. The array substrate includes a wiring including projection portion which form a dot pattern with light-blocking properties, and a first horizontal alignment film. The counter-substrate includes a second horizontal alignment film. The columnar spacer is disposed between the array substrate and the counter-substrate and is located within the dot pattern. | 08-27-2015 |
20160036729 | COMMUNICATION MANAGEMENT APPARATUS, COMMUNICATION APPARATUS, AND COMMUNICATION METHOD - A communication management apparatus includes a token-circulation-order-information storing unit that stores token circulation order, a token-frame processing unit that determines whether transmission right acquiring apparatus information of the token frame indicates the own apparatus and transmits a token frame in which first transmission right acquisition determination information indicating a sequence number of a communication apparatus that can acquire a transmission right in the token circulation order, second transmission right acquisition determination information indicating the number of frames that can be transmitted during one token frame circulation, and transmission right acquiring apparatus information indicating the next transmission destination of the token frame after the own apparatus acquired from the token circulation order are set, and a data-frame-communication processing unit that transmits and receives the data frame, thereby to reduce time required until a communication node that acquired the token frame transmits data. | 02-04-2016 |
20160062196 | LIQUID CRYSTAL DISPLAY - According to one embodiment, there is a third column of third color (Blue) pixels and fourth (White) color pixels arranged alternately. The first set of a first (Red), a second (Green) and a third (Blue) color pixels along the first direction, and the second set of a first (Red), a second (Green) and a fourth (White) color pixels along the first direction are each defined as a composite color unit pixel. In the composite color unit pixels located at the first or second one along the first direction from composite color unit pixels to which color pixels of the third columns belongs, a connection pattern is designed that the pixels of the third columns are connected to the odd-numbered gate lines and the even-numbered gate lines, alternately, along the first direction. | 03-03-2016 |
20160071471 | DRIVING METHOD OF A DISPLAY DEVICE, AND A DISPLAY DEVICE - According to one embodiment, three columns of a first and second columns of first and second color pixels, and a third column of third and fourth color pixels arranged alternately, are repeatedly provided along a first direction. The first set of a first, a second and a third color pixels along the first direction, and the second set of a first, a second and a fourth color pixels along the first direction are each defined as a composite color unit pixel. Pixel signals are supplied to the pixels of the third columns in a pattern that polarities of the pixel signals of the pixels of the third columns along the first direction are . . . , +, +, −, −, +, +, −, −, +, +, −, −, . . . . | 03-10-2016 |
Patent application number | Description | Published |
20100110695 | LIGHTING LENS AND LIGHTING DEVICE EQUIPPED WITH THE SAME - A lighting lens can sufficiently suppress unevenness color and improve light use efficiency. This light lens has: first incidence surface | 05-06-2010 |
20130114254 | LUMINOUS FLUX CONTROL MEMBER AND ILLUMINATION DEVICE - Disclosed is a luminous flux control member ( | 05-09-2013 |
20130128576 | LIGHT-EMITTING DEVICE AND ILLUMINATION DEVICE - A light-emitting device combining a first luminous flux control member having a total reflection surface and emitting light from an emission surface in a narrow angle range centered mainly on an optical axis, and a second luminous flux control member arranged to surround the total reflection surface of the first luminous flux control member. The second luminous flux control member ( | 05-23-2013 |
20130314926 | LUMINOUS FLUX CONTROL MEMBER AND ILLUMINATION DEVICE - An illumination device ( | 11-28-2013 |
20140168996 | ILLUMINATING APPARATUS - A lens holder ( | 06-19-2014 |
20140177231 | LIGHTING DEVICE - The present invention relates to a lighting device. Light flux controlling member | 06-26-2014 |
20140321118 | LIGHTING DEVICE - A lighting device ( | 10-30-2014 |
20150131265 | LIGHT FLUX CONTROLLING MEMBER, LIGHT-EMITTING DEVICE, SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS - Light flux controlling member ( | 05-14-2015 |
20150241028 | ILLUMINATION DEVICE - In an illumination device, light emitted from an emission element is directed toward a second luminous flux control member by a first luminous flux control member of a luminous flux control member, and then toward the side and rear of the illumination device from the second luminous flux control member. The light is then caused to pass through a cover having a shape in which the ratio (R/O) of the distance (R) between P | 08-27-2015 |
20150247621 | LIGHT FLUX CONTROLLING MEMBER, LIGHT EMITTING DEVICE AND ILLUMINATION APPARATUS - Light flux control member has first light flux control member and second light flux control member facing first light flux control member. First light flux control member and second light flux control member both have central axes which coincide with optical axis of a light emitting element. In inclined Fresnel lens of first light flux control member, the distance from troughs between annular projections to lower side step in optical axis direction is small for outer troughs, and gradually increases for troughs closer to optical axis. According to the present invention, a light flux control member which, from among the front, side, and rear, is capable of balanced distribution of light in at least two of those directions, a light emitting device, and an illumination device can be provided. | 09-03-2015 |
20150252981 | LUMINOUS FLUX CONTROL MEMBER, LIGHT EMISSION DEVICE, AND ILLUMINATION DEVICE - Light flux controlling member includes first light flux controlling member, second light flux controlling member and holder having a substantially cylindrical shape. At least part of light emitted from light-emitting element is incident on first light flux controlling member, and first light flux controlling member emit the light toward second light flux controlling member. Second light flux controlling member reflects part of light arriving from first light flux controlling member while allowing remaining part of the light to pass therethrough. Holder allows light reflected by second light flux controlling member to pass therethrough. Recess that controls the emission direction of light passing through holder is formed on the external peripheral surface of holder. | 09-10-2015 |