Abstract: A velocity measurement apparatus comprising: first and second surface profile sensors for acquiring first and second surface profile data, a memory for storing the first and second surface profile data, and a calculation unit for calculating a velocity of a moving object. Each surface profile sensors acquires the corresponding surface profile data by measuring signal levels of reflected waves corresponding to a radio wave emitted to a ground surface and then reflected from structures on the ground surface, and measuring propagation durations from the emission of the radio wave to the return of the respective reflected waves. The calculation unit compares the first and second surface profile data, determines a difference between their measurement times, and divides a distance between the first and second surface profile sensors by the difference between the measurement times to calculate the velocity of the moving object.

Abstract: An air-conditioning apparatus is provided with a refrigerant cycle through which a heat-source-side refrigerant is to be circulated, a first heat medium channel to which a pump is connected and through which a heat medium such as water, an anti-freezing solution or the like is circulated, a first heat medium channel to which a pump is connected and through which a heat medium is circulated, and a plurality of use-side heat exchangers connected to the first heat medium channels. Also, the first heat medium channels are connected to the suction side of a pump through a pump flow direction switching device, and the first heat medium channels are connected to the discharge side of the pump through a pump flow direction switching device. By controlling opening degrees of the pump flow direction switching devices, the first heat medium channel which communicates with the pump is selected.

Abstract: A liquid crystal display panel includes switching elements, transparent pixel electrodes, and a transparent common electrode having a predetermined area overlapped with an upper layer of the transparent pixel electrode through an insulating film and driving liquid crystal with the transparent pixel electrode. In plane view, a shading layer covers at least one part of a conductive pattern where a light leakage occurs in front view by an alignment defect of the liquid crystal near a non-permeable conductive pattern disposed in the display region at the time of black display, and has eaves more protruding than the conductive pattern. The transparent common electrode is provided to overlap with the conductive pattern arranged to overlap with the light-shielding layer having the eaves in a side of the liquid crystal and to protrude compared with the light-shielding layer having the eaves in a planar view.

Abstract: To provide an air-conditioning apparatus that is provided with an air-sending device that includes: a housing; a fan that is disposed in the housing; a casing that guides an airflow, the casing arranged adjacent to the back side of the fan; and a stabilizer that stabilizes the circular vortex, the stabilizer arranged adjacent to the front side of the fan. When ?=A/D expressed by an air flow inlet port width A and a fan diameter D is 2 or lower, an outer peripheral blade inflow angle ?=?×? radian is in the range of 0.4???0.3. The air-conditioning apparatus provided with an air-sending device is capable of suppressing noise as well as increasing fan performance even when the inlet port is narrow.

Abstract: There is provided a handrail for passenger conveyor in which it is possible to give a prescribed strength to a junction of a canvas and it is possible to prevent vibrations and noises which might be generated when a driving roller passes by the junction of the canvas. For this purpose, a canvas is provided along an inner surface of an annular core body having a C-shaped cross section, which is formed from a thermoplastic elastomer material, and a surface of each of adjacent end portions of the canvas in a junction is formed to be indented toward the core body side compared to surfaces of other portions which form an inner surface of a handrail. An application cloth is provided between the end portions of the canvas so as to cover a gap formed between the end portions of the canvas.

Abstract: There is obtained a controller-integrated electric rotating machine that is superior in terms of a cooling effect. In a controller-integrated electric rotating machine provided with a stator 3 configured with an iron core 3B and a stator winding 3A, a rotor 4 having a cooling fan 5, an inverter power circuit 20 that is a control apparatus for applying a stator current to the stator winding 3A, and a bus bar 30 that supplies the inverter power circuit 20 with electric power from a battery, the inverter power circuit 20 includes a power module 21 that has a function of switching the stator current, a heat sink 23 on which the power module 21 is mounted by the intermediary of an insulating layer, and an insulator case 25 that incorporates the power module 21 and holds respective terminals of the power module 21; and the bus bar 30 is connected with terminals 22a, 22b, 22c, and 22d of the inverter power circuit 20 and has a cooling fin 30a.

Abstract: The invention relates to a frequency measurement apparatus which is arranged in such a way as to obtain an amplitude, chord length and rotation phase angle of a voltage rotation vector by means of an integration method, and furthermore, obtain a change rate of the rotation phase angle, and a rotational acceleration change rate of the rotation vector, and measure a dynamic frequency by determining a frequency change rate for every step.

Abstract: A wire electric discharge machining apparatus includes guide rollers and a single electrode wire that is wrapped around each of the guide rollers to form cut wire portions that are spaced from one another between pairs of the guide rollers. A processing power supply feeds electric power to the individual cut wire portions through a power feed element. A high frequency insulator includes wound coils of the electrode wire that are located between adjacent cut wire portions, and cores which close respective magnetic circuits of the individual coils. The magnetic circuits are magnetically insulated from one another. The power feed element is arranged between the individual cut wire portions and the individual coils, and the individual cut wire portions are insulated from one another at high frequencies by the individual coils. Voltages are impressed on the individual cut wire portions independently, so discharges can be generated simultaneously, in parallel.

Abstract: A data embedding apparatus including: a selecting unit for selecting, based upon the second data, a prediction system of calculating a prediction value with respect to data to be processed within the first data; a predicting unit for calculating the prediction value of the data to be processed by the prediction system selected by the selecting unit; a difference calculating unit for calculating a prediction error of the data to be processed by employing the prediction value; and a prediction error calculating unit for outputting the coded data, in which the predicting unit includes: a 0-embedding time predicting unit for performing prediction when a bit value of the second data is “0”; a 1-embedding time predicting unit for performing prediction when the bit value of the second data is “1”; and an embedding end time predicting unit for performing prediction when embedding of the second data is accomplished.

Abstract: An elevator system in which a controller monitors whether or not a speed of an ascending/descending body reaches a preset overspeed. At a time of maintenance work, a stopper is interposed between a buffer and the ascending/descending body to limit a lowered position of the ascending/descending body. A stopper detector detects installation of the stopper onto at least one of the buffer and the ascending/descending body. When the stopper is detected by the stopper detector, the controller lowers a set value of the overspeed.

Abstract: In a ring type network, a master node sends a measurement packet to a slave node; receives the measurement packet which has been circulated among a plurality of slave nodes; according to time-keeping of an internal clock; stores a sending time and a received time of the measurement packet; sends a measurement result notifying packet showing the sending time and the received time of the measurement packet to the slave node, and each slave node receives the measurement packet; sends the measurement packet received to the next node; according to time-keeping of the internal clock, stores a received time of the measurement packet; further 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 received, the received time of the measurement packet stored, a total number of node apparatuses, and a difference between an order of the slave node and an order of the master n

Abstract: To play back an optical disk requiring network connection, a playback device is provided, which has a function by which the network condition is evaluated before playing back a title. The playback device plays back the optical disk including programs connecting through the network to data-supplying sources; the playback device determines whether or not the network circuit is available; and when the network connection is not available depending on a network connection status or its memory amount, the playback device plays back with a non-network-ready mode.

Abstract: A gas-insulated switchgear apparatus includes a center conductor 2, a current transformer 4 surrounding the center conductor 2, an electric field shield 5, and a metallic vessel 1. The electric field shield 5 is located between the center conductor 2 and the current transformer 4 and surrounds the center conductor 2. The current transformer 4 and the electric field shield 5 constitute a tubular part that outputs a signal representing an electric physical quantity. The metallic vessel 1 is filled with an insulating gas 19. The tubular part has an opening 6 formed therein. In a posture in which the center axis of the tubular part about which the tubular part surrounds the center conductor 2 is substantially horizontal, the opening 6 is located in a surface of the tubular part, which surface is included in a lower portion of the tubular part and faces the center conductor 2.

Abstract: A navigation apparatus includes a route searching unit 130 for, when including a road where a car pool lane is also provided in a recommended route at a time of searching for a route from a current position determined by a current position determining means to a destination inputted by an input unit on the basis of map data acquired by a map data acquiring means, calculating a distance to be traveled according to the number of lanes which are crossed at the time of an entry to the car pool lane and at the time of an exit from the car pool lane, and then determining the recommended route in such a way that the recommended route uses an entrance and an exit of the car pool lane each of which is located at a location dependent upon the calculated distance.

Abstract: There are provided a smoothing capacitor (71) for storing an induced electromotive force generated by a three-phase induction motor (5), a regenerative transistor (81 to 86) for switching a terminal voltage of the smoothing capacitor to carry out a power regenerating operation over a three-phase AC power supply (3), a line voltage detecting portion (6) for detecting a line voltage of the three-phase AC power supply, a fundamental waveform generating portion (10) for generating, from a signal output from the line voltage detecting portion, a fundamental waveform defined to be a line voltage waveform of the three-phase AC power supply in which a source voltage distortion component is not mixed, a base driving signal creating portion (7) for creating a base driving signal to be used for an ON/OFF control of the regenerative transistor based on a signal output from the fundamental waveform generating portion, and a base driving signal output portion (9) for outputting the base driving signal.

Abstract: An optical communication system that connects a plurality of user-side optical line terminating apparatuses (hereinafter referred to as ONUs) to a station-side optical line terminating apparatus (hereinafter referred to as OLT) using a common optical fiber, wherein the ONU as at least a part of the ONUs includes a transceiver having a power saving function for inactivating a transmitting unit while supplying electric power to a receiving unit and a control apparatus that transmits support information of the power saving function to the OLT via the transceiver, and the OLT includes a control apparatus that generates transmission allowance information of upstream communication based on the support information of the power saving function and a transceiver that receives the support information of the power saving function and transmits the transmission allowance information to the ONU.

Abstract: A subscriber-side optical network unit (ONU) includes a control LSI for outputting a data signal and a pre-bias signal at fixed intervals, an optical transmitter-receiver for producing optical output in response to these signals, and a light-emission error preventing circuit for preventing light-emission error. First and second light-emission error detecting circuits output an abnormality detection alarm signal when no rising edge occurs in the data signal and pre-bias signal for a prescribed period of time. An OR element, when receiving the abnormality detection alarm signal from at least one of the first and second light-emission error detecting circuits, supplies the optical transmitter-receiver with a shutdown signal and halts the optical output.

Abstract: An object of the present invention is to provide a DC/DC power conversion apparatus that can reduce the average power consumption over a wide range of DC voltage ratios. A control circuit (120) changes a switching frequency f at which IGBTs S1 to S4 perform ON/OFF operation, in accordance with a voltage ratio k (k=V2/V1) for DC voltage conversion, based on the following expressions, such that a magnitude ?I of a current ripple flowing in a reactor Lc is a predetermined constant value irrespective of the voltage ratio k.

Abstract: A manufacturing method of a solar cell in which a light receiving side electrode including grid electrodes is provided on one side of a semiconductor substrate, comprises: a first step of forming an impurity diffusion layer on one side of the semiconductor substrate of a first conductivity type, the diffusion layer having a second conductivity-type impurity diffused therein; a second step of measuring a sheet resistance value of the diffusion layer at a plurality of measurement points in a surface of the diffusion layer; and a third step of dividing the surface of the diffusion layer into a plurality of areas corresponding to the measured sheet resistance values of the surface of the diffusion layer, setting a distance between adjacent grid electrodes for each of the areas, and forming the light receiving side electrode, which is electrically connected to the diffusion layer, on the diffusion layer.

Abstract: A method for forming a surface layer, the purpose thereof is to form a high erosion resistant film. The method for forming a surface layer includes: arranging a member (2) in a machining fluid (3); and forming the surface layer including silicon by spacing a silicon electrode (1) from the member (2) at a predetermined distance, and by supplying silicon component from the silicon electrode (1) to the member side by applying a predetermined voltage and generating electric discharge, and an iron-based metal texture including silicon of 3 to 11 wt % is formed at a thickness of 5 to 10 ?m at a portion to be treated by repetitively generating a electric discharge pulse in which a time integration value of a current value of the electric discharge pulse is in a range of 30 A·?s to 80 A·?s.