Abstract: A lever mechanism for connector fitting 1 includes a hold part 2 for holding a connector housing 4, and a handle part 3. When the handle part 3 is rotated and the connector housing 4 is thereby inserted into the connector housing 5, an engaging projection 24 is caused to retreat from the inner surface of a side plate 21 toward the connector housing 4, thereby removing the holding of the connector housing 4 by the hold part 2.

Abstract: A photographing system of the present invention includes a light emitting apparatus which emits visible light including arbitrary information and a photographing apparatus which has a plurality of photographing functions, in which the light emitting apparatus includes a light emitting section which emits visible light including command information respectively corresponding to the plurality of photographing functions of the photographing apparatus, and the photographing apparatus includes a photographing section, a visible light information acquisition section which receives the visible light emitted by the light emitting section by the photographing section, and acquires the command information included in the visible light, and a photographing instruction section which instructs to perform at least one of the plurality of photographing functions based on the command information acquired by the visible light information acquisition section.

Abstract: According to one embodiment, a resistance-change memory includes a memory cell and a control circuit. The memory cell includes a first electrode, a second electrode, and a variable resistance layer which is disposed between the first electrode and the second electrode. The control circuit sets a current flowing through the memory cell to a first upper limit and applies a first voltage to the memory cell in a first write, and after the first write, the control circuit sets the current flowing through the memory cell to a second upper limit and applies a second voltage to the memory cell in a second write.

Abstract: A vehicle body tilting device for railway vehicle is arranged to control the tilt of a vehicle body by exchanging compressed air between a pair of left and right air springs. This device includes: a control valve for tilt operation, connected between the air springs; a pump for tilt operation, connected between the air springs through the control valve; and a control device for controlling both the control valve and the pump. The control valve forms a circulation flow path for allowing compressed air, delivered by the pump, to circulate therethrough. Before controlling the tilt of the vehicle body, the control device drives in advance the pump to circulate the compressed air through the circulation flow path to provide a delivery standby state, changes over at predetermined timing the position of the control valve, and delivers the compressed air from one of the air springs to the other.

Abstract: A carriage-body inclination device (30) has individual inclination units (112, 113) that are provided corresponding to air springs (22, 23), and a control unit (110). The individual inclination unit (112) can sufficiently execute supply or release of air to or from the air spring (22) by driving a control valve (40) and a large-capacity valve (170) using a height difference value which is a difference between a height instruction value provided by the control unit (110) and a height value obtained from a link-lever mechanism (24). The control valve (40) has a two-layer structure of a fixed sleeve (91), a control sleeve (90), and a spool (80). The control sleeve (90) is moved and driven by the link-lever mechanism (24) and a rotation-translation conversion mechanism (44). The spool (80) is moved and driven by a spool actuator (120) according to a set height value.

Abstract: An optical line monitoring apparatus and optical line monitoring system which can measure a reflectance distribution in an optical line with a high spatial resolution in a short time are provided. An optical line monitoring apparatus 14A provided in a station 10A comprises an OCDR measurement section 15 for carrying out OCDR measurement, an OTDR measurement section 16 for carrying out OTDR measurement, an optical switch 13 for selectively connecting one of the OCDR measurement section 15 and OTDR measurement section 16 to the optical coupler 12, a control section 17, and a storage device 18. The control section 17 performs a predetermined arithmetic operation according to an OCDR measurement result acquired by causing the OCDR measurement section 15 to carry out the OCDR measurement and an OTDR measurement result acquired by causing the OTDR measurement section 16 to carry out the OTDR measurement.

Abstract: An anode region 106 is formed on a bottom portion of a trench 105 in which a gate electrode 108 is formed or in a drift region 102 immediately under the trench 105. A contact hole 110 is formed in the trench 105 at a depth reaching the anode region 106. A source electrode 112 is embedded in the contact hole 110 while interposing an inner wall insulating film 111 therebetween. The anode region 106 and the source electrode 112 are electrically connected to each other in a state of being insulated from the gate electrode 108 by the inner wall insulating film 111.

Abstract: An organic molecular memory for controlling a current flowing through a memory cell and achieving stable operation and high degree of reliability is provided. The organic molecular memory includes a first electrode, a second electrode made of a material different from the first electrode, and an organic molecule layer provided between the first electrode and the second electrode, wherein one end of a resistance change-type molecular chain constituting the organic molecule layer is chemically bonded with the first electrode, and an air gap exists between the other end of the resistance change-type molecular chain and the second electrode.

Abstract: An ultrasonic diagnostic apparatus is disclosed for imaging 3-dimensional images by irradiating ultrasonic waves to an object and reconstructing the 3-dimensional image. The ultrasonic diagnostic apparatus includes an ultrasonic probe for transmitting/receiving ultrasonic waves to/from an object to be examined, an ultrasonic image construction unit for constructing a 3-dimensional ultrasonic image based on the 3-dimensional ultrasonic image data from the ultrasonic signals received from the ultrasonic probe, and a display unit for displaying the 3-dimensional ultrasonic image. A position sensor is provided for detecting the position of the ultrasonic probe. A positional information analyzing unit stores the first position of the ultrasonic probe obtained from the position sensor and analyzes the positional relationship between the first position and the second position.

Abstract: A molecular memory device has an insulating film with a cavity, the cavity having an upper portion and a lower portion; a first conductive member with a portion exposed at the lower portion of the cavity; a second conductive member with a portion exposed at the upper portion of the cavity; and a resistance varying-type molecular chain disposed in the cavity and bonded with the first conductive member or the second conductive member. The cavity is wider than at least one of the first conductive member along a first direction and the second conductive member along a second direction.

Abstract: A railway vehicle body tilting system has a height control valve for supplying and discharging compressed air to and from an air spring by an actuator, an auxiliary control valve for supplying compressed air to the air spring and thereby causing a car body to tilt, a backup valve for switching the connection between the air spring and either the height control valve or the auxiliary control valve, and a controller installed in each of vehicles linked together as a train. During normal operation, the controller provided in each of the cars controls the height control valve of the respective car and monitors for faulty operation in other linked controllers. If a fault arises in a linked controller, control over the malfunctioning controller is terminated, and another normal controller controls a backup valve in the car with the malfunctioning control device.

Abstract: The present invention relates to a multi-core optical fiber enabling calculation effectively using the MEMO technology. The multi-core optical fiber has a plurality of cores and a cladding and the cores rotate around a fiber axis. A conditional expression defined by an average twist rate ? (rad/m), the shortest distance ? (m) between centers of the cores, a group index ng, an in-use bending radius R (m), the speed of light in vacuum c (m/s), and the ratio of the circumference of a circle to its diameter ? is not more than 7.91×10?12 (s/m1/2) as an example.

Abstract: According to one embodiment, a molecular memory includes a first electrode, a second electrode, and a resistance-change molecular chain provided between the first electrode and the second electrode. The first electrode includes a core made of a first conductive material, and a side wall made of a second conductive material different from the first conductive material. The side wall is formed on a side surface of the core. The second electrode is made of a third conductive material different from the first conductive material. The resistance-change molecular chain is bonded to the first conductive material.

Abstract: A multi-core optical fiber according to an embodiment of the present invention is provided with a plurality of core parts, a common cladding, and a coating. Particularly, in order to improve a spectral efficiency per unit sectional area, optical properties typified by the number of core parts, a sectional area of the entire multi-core optical fiber, the sum of power coupling coefficients to a core part n from all the other core parts, and a transmission loss, a non-linear refractive index, an effective area, and a chromatic dispersion of the core part n with the largest crosstalk from other core parts are set so as to satisfy a predetermined relation.

Abstract: The present invention relates to a multi-core optical fiber including a plurality of cores, in each of which an effective area at the wavelength of 1550 nm, a transmission loss at the wavelength of 1550 nm, a chromatic dispersion at the wavelength of 1550 nm, a cable cutoff wavelength, and a bending loss in a bending radius of 30 mm at the wavelength of 1625 nm are set so as to increase a transmission capacity in each core in a state in which a difference of the transmission loss at the wavelength of 1550 nm between different cores is controlled to at most 0.02 dB/km or less.

Abstract: An aspect of the present invention provides a semiconductor device that includes a first conductivity type semiconductor body, a source region in contact with the semiconductor body, whose bandgap is different from that of the semiconductor body, and which formed heterojunction with the semiconductor body, a gate insulating film in contact with a portion of junction between the source region and the semiconductor body, a gate electrode in contact with the gate insulating film, a source electrode, a low resistance region in contact with the source electrode and the source region, and connected ohmically with the source electrode, and a drain electrode connected ohmically with the semiconductor body.

Abstract: A vehicle body tilting device for railway vehicle is arranged to control the tilt of a vehicle body by exchanging compressed air between a pair of left and right air springs. This device includes: a control valve for tilt operation, connected between the air springs; a pump for tilt operation, connected between the air springs through the control valve; and a control device for controlling both the control valve and the pump. The control valve forms a circulation flow path for allowing compressed air, delivered by the pump, to circulate therethrough. Before controlling the tilt of the vehicle body, the control device drives in advance the pump to circulate the compressed air through the circulation flow path to provide a delivery standby state, changes over at predetermined timing the position of the control valve, and delivers the compressed air from one of the air springs to the other.

Abstract: The present invention relates to an optical fiber, wherein PMD will not significantly increase even when an external factor, such as a lateral pressure, a bending and the like, is applied to the optical fiber. The optical fiber is imparted with a twist that is an elastic torsion with stress.

Abstract: The present invention relates to an optical fiber cable incorporating a multi-core fiber provided with a plurality of cores and a cladding region. The optical fiber cable has a jacket covering the multi-core fiber. The multi-core fiber is arranged so that a hold wrap holds the cores in a state in which they are provided with a bend of not more than a fixed radius of curvature, in order to reduce crosstalk between the cores.

Abstract: An optical fiber producing method and apparatus for producing an optical fiber in which, in a path where an optical fiber is reeled out from a supply bobbin, taken up by take-up means, and wound by a winding bobbin, twists are alternately imparted to the optical fiber by a twist imparting portion. A zone where a high tension load is allowed to be applied to the optical fiber without affecting winding tension of the winding bobbin is disposed, a twist is imparted in the zone, and, when tension immediately before the twist imparting portion is indicated by T (g), a free path length is indicated by L, a twisting amount is indicated by R (turns/m), and a and b are constants, the tension and free path length by which the twisting amount R approximated by “R=a×T×Lb” is made “2” or more are set.