Abstract: To provide a node device improving the measurement accuracy of the network communication quality and creating a smaller table for managing statistics information on the communication quality. An importance degree judging section determines the importance degree of a flow by referencing data for judging the degree of importance in the Z-list. An E-list stores statistics data on a flow having a high degree of importance of monitoring. A change judging section makes a judgment on change according to the importance degree of the flow and the importance degree in the E-list. An integral quality calculating section totalizes the qualities of the normal packet information that was measured in a normal packet quality measuring section and the statistics information that was measured in a statistics information quality measuring section and records the total in a quality result section.

Abstract: An inversion of a packet transmission sequence number is observed in a predetermined sampling measurement. The number of sampled sequence numbers greater than the sequence number upon the inversion is measured as an inversion degree. A number of packet losses or a loss ratio is estimated according to the inversion degree under the estimated full sampling measurement and the inversion degree observed under a predetermined sampling measurement.

Abstract: The present invention provides a communication quality measuring device, a communication quality measurement method, and a communication quality measuring program by which the reliability and accuracy of the results of measurement carried out on a transmission path are improved, and comparisons between the results of measurement at one time and the results of measurement at another time or between one flow and another flow are made easier. The communication quality measuring device includes: a quality measuring unit (734) that measures the communication quality of a transmission path, based on data being transmitted through the transmission path; an observation time calculating unit (738) that calculates a time interval for securing an observation time for the quality measuring unit (734); and a measurement triggering unit (736) that causes the quality measuring unit (734) to start measurement at the time interval calculated by the observation time calculating unit (738).

Abstract: The present invention relates to an red luminescent ink composition exhibiting adequate and stable emission intensity under irradiation of ultraviolet rays and high solubility for a resin and an organic solvent. The ink composition of the present invention contains a luminous compound represented by the following formula (1): wherein R is a perfluoroalkyl group having 2 to 20 carbons, L1 and L2 are the same or different and are sulfoxide having a substituted or unsubstituted aryl group or a substituted or unsubstituted an alkyl group.

Abstract: A triarylamine dimer derivative is represented by the following chemical formula [1] (in the chemical formula [1]: —Ar1, —Ar2, —Ar3 and —Ar4 are aryl groups being to have a substitutional group respectively, —R1 and —R2 are same or different to each other and one thereof is selected from the group consisting of a hydrogen atom, an alkyl group, an alkoxyl group and a halogen atom; m and n are from 0 to 4; and with a proviso that —Ar1 and —Ar2, —Ar3 and —Ar4 are being to bind respectively to compose a cyclic structure group having a nitrogen atom) having an amorphous phase indicated by spectrum of powder X-ray diffractometry. The triarylamine dimer derivative is used for a charge transport material, an electrophotographic photosensitive conductor having thereof, an electroluminescence elemental device having a hole transport material thereof.

Abstract: A measuring apparatus for measuring quality of a network accurately measures a number of times of a data loss even if all the packets to be measured are not obtained or cannot be obtained. Further, a process load applied to the measuring apparatus is decreased by processing a part of the packets to be measured. The measuring apparatus, which measures quality of a network, includes a means for estimating a sampling rate from a number showing sequences stored in packets and a number of received data and a means for estimating a data loss, which would be measured when all the packets were obtained, from a result of sampling measurement by carrying out a differential process and a statistical process using the sequences in the packets, thereby the measuring apparatus measures a number of times of the data loss in the sampling measurement.

Abstract: A communication quality determining apparatus for receiving or intercepting data sent from a transmission side to a reception side en route of its transmission, and determining its communication quality. The apparatus includes a deciding unit for making a decision on whether an input packet is to be acquired. The apparatus also includes an estimating unit for, by comparing information on an acquired packet predicted based on an acquired packet acquired based on a result of the decision with information on an actually acquired packet, estimating communication quality of a session that the acquired packet belongs to.

Abstract: The present invention relates to a method for producing an ?-form titanylphthalocyanine represented by the formula (1): which has a peak at a Bragg angle (2?±0.2°) in X-ray diffraction spectrum with CuK ?-ray: 7.5°, 10.2°, 12.6°, 13.2°, 15.1°, 16.3°, 17.3°, 18.3°, 22.5°, 24.2°, 25.3° and 28.6°, wherein the method includes steps of: (I) subjecting a crude titanylphthalocyanine having an ?-form polymorph to an acid pasting treatment, and then filtering and washing with water to give a water-containing wet cake, and then subjecting the wet cake to drying and crushing to give a low crystalline titanylphthalocyanine; (II) adding a dispersing aid to the low crystalline titanylphthalocyanine and dispersing at room temperature, in DMF, to prepare a polymorph; and (III) filtering, washing, and drying under a reduced pressure. The present invention consists in a provision of a method for conveniently producing the ?-form titanylphthalocyanine having a peak at a Bragg angle (2?±0.

Abstract: The present invention relates to a titanylphthalocyanine represented by the formula (1): comprising a polymorph having a peak at a Bragg angle (2?±0.2°) in X-ray diffraction spectrum with CuK ?-ray: 9.0°, 9.6°, 14.1°, 14.9°, 17.9°, 18.3°, 23.4°, 24.5° and 27.2°; and 1.3<Ir1<1.8; 1.0<Ir2; 1.3<Ir3<2.0; and 0.9<Ir4<1.1 wherein Ir1 is a ratio (9.6°/9.0°) of an intensity of the peak at Bragg angle of 9.6° to an intensity of the peak at Bragg angle of 9.0°; Ir2 is a ratio (14.1°/14.9°) of an intensity of the peak at Bragg angle of 14.1° to an intensity of the peak at Bragg angle of 14.9°; Ir3 is a ratio (17.9°/18.3°) of an intensity of the peak at Bragg angle of 17.9° to an intensity of the peak at Bragg angle of 18.3°; and Ir4 is a ratio (24.5°/23.4°) of an intensity of the peak at Bragg angle of 24.5° to an intensity of the peak at Bragg angle of 23.4°.

Abstract: An object of the present invention is to provide a novel ?-oxo bridged heterometal phthalocyanine compound, and a production method such that the ?-oxo bridged heterometal phthalocyanine compound is obtained simply, selectively and with high yield. The ?-oxo bridged heterometal phthalocyanine compound has a structure in which the central metal atom (M1) in a metal phthalocyanine including M1 as central metal thereof is oxo-bridged with the central metal M2 in a metal phthalocyanine including M2 as central metal thereof.

Abstract: In a data reception processor (210a) in a session relaying apparatus (20-3), a data amount monitor (201) monitors the data amount within the session relaying apparatus (20-3), a receivable amount calculating unit (212) requires a data receivable amount which is informed from the session relaying apparatus (20-3) to a data transmission terminal (10) in a devaluating way according to a predetermined function, a receivable amount informing unit (213) informs the data transmission terminal (10) of the value, and in the data output processor (220a), an initialization judging unit (223) makes a judgment about initialization of the transmission amount, according to the amount resulting from the data monitor (201) monitoring the data amount within the session relaying apparatus (20-3), and a transmissive amount calculating unit (222) determines the data transmissive amount by using the result.

Abstract: The present invention relates to an red luminescent ink composition exhibiting adequate and stable emission intensity under irradiation of ultraviolet rays and high solubility for a resin and an organic solvent. The ink composition of the present invention contains a luminous compound represented by the following formula (1): wherein R is a perfluoroalkyl group having 2 to 20 carbons, L1 and L2 are the same or different and are sulfoxide having a substituted or unsubstituted aryl group or a substituted or unsubstituted an alkyl group.

Abstract: An optical layer comprises ?-oxo-bridged boron subphthalocyanine dimer. The ?-oxo-bridged boron subphthalocyanine dimer is represented by the following chemical formula (1). (In the chemical formula (1), Z1 to Z12 are the same or different to each other and selected from the groups consisting of a hydrogen atom, a hydroxyl group, a mercapto group, an alkyl group, an aralkyl group, an aryl group, an amino group, an alkoxyl group and a thioether group. Z1 to Z12 have one or more substitutional groups or have no substitutional group.

Abstract: A session identification unit (11) determines a session to which an incoming packet belongs, while a session relay unit (12-1-12-N) relays between a session with a transmission terminal and a session with a reception terminal. A packet scheduler (13) instructs and controls the delivery of packets from each session relay unit (12-1-12-N), and a delivery control unit (14) delivers packets from each session relay unit (12-1-12-N) based on the instruction. In the session relay unit (12-1), a transmission session processing unit (121-1) processes a session for transmitting data to the reception terminal, and a transmission buffer (122-1) stores received data until the end of a transmission. A reception session processing unit (123-1) processes a session for receiving data from the transmission terminal.

Abstract: Bandwidth control unit (123-1) controls data transfer from reception buffer (122-1) to transmission buffer (124-1). Transmission resumption ACK generation unit (126-1) generates an ACK packet instructing a transmission terminal to resume transmission while duplicate ACK generation unit (127-1) generates a duplicate ACK instructing the transmission terminal to reduce the transmission rate. Packet discarding ratio calculation unit (128-1) obtains a packet discarding ratio in a session to a reception terminal. According to a data amount remaining in the transmission buffer and the packet discarding ratio, control parameter calculation unit (129-1) changes the control parameter of the session to the reception terminal.

Abstract: The present invention provides an organic electrophotographic photo-receptor having a conductive substrate and a photosensitive layer laid on the conductive substrate, wherein the photosensitive layer contains at least one ?-oxo bridged heterometal compound as a charge generating material. The organic electrophotographic photo-receptor has high photo-sensitivity, high stability, excellent durability on sensitivity and on electric potential, and has excellent organic photo-conductive property.

Abstract: An object of the present invention is to provide a new ?-oxo bridged heterometal compound, which can make the photo-functional materials to have diversified properties, and a production method such that the ?-oxo bridged heterometal compound is obtained simply, selectively and with high yield. The present invention provides ?-oxo bridged heterometal compounds, NcM1-O-M2Nc, PcM1-O-M2Nc and NcM1-O-M2Pc wherein Nc represents naphthalocyanine, Pc represents phthalocyanine, M1 represents a metal atom which is able to have a valence of up to three, and M2 represents a metal atom which is able to have a valence of four or five.

Abstract: A data receiving portion receives data from a network. A filtering portion classifies the data received at the data receiving portion by flow. A condition monitoring portion monitors, for each flow, ACK-number information and SN-number information of the received data. A quality-determining portion determines whether or not a packet loss has occurred and the position of occurrences of packet losses, on the basis of information from the condition monitoring portion.

Abstract: An object of the present invention is to provide a novel ?-oxo bridged heterometal phthalocyanine compound, and a production method such that the ?-oxo bridged heterometal phthalocyanine compound is obtained simply, selectively and with high yield. The ?-oxo bridged heterometal phthalocyanine compound has a structure in which the central metal atom (M1) in a metal phthalocyanine including M1 as central metal thereof is oxo-bridged with the central metal M2 in a metal phthalocyanine including M2 as central metal thereof.

Abstract: A triarylamine dimer derivative is represented by the following chemical formula [1] (in the chemical formula [1]: —Ar1, —Ar2, —Ar3 and —Ar4 are aryl groups being to have a substitutional group respectively, —R1 and —R2 are same or different to each other and one thereof is selected from the group consisting of a hydrogen atom, an alkyl group, an alkoxyl group and a halogen atom; m and n are from 0 to 4; and with a proviso that —Ar1 and —Ar2, —Ar3 and —Ar4 are being to bind respectively to compose a cyclic structure group having a nitrogen atom) having an amorphous phase indicated by spectrum of powder X-ray diffractometry.