Abstract: A board connection structure includes an opening, which is formed at a perimeter of a waveguide in a first board, and an opening, which is formed at a perimeter of a waveguide in a second board. The openings are connected to each other. The first board and the second board are connected with an insulation film disposed therebetween. The insulation film has a thickness of 60% or less of a waveguide width that determines a propagation mode in at least one of the waveguide in the first board and the waveguide in the second board.

Abstract: A negative cutting insert having a cutting edge comprising four long-side cutting edge portions for rough cutting and four short-side cutting edge portions for finish cutting, which are connected alternately, thereby being able to conduct rough cutting when attached to a rough-cutting tool body, and finish cutting when attached to a finish-cutting tool body. When such cutting inserts are used for rough or finish cutting and then reattached to a finish-cutting tool body or a rough-cutting tool body, finish or rough cutting can be conducted, thereby using all cutting edges thoroughly.

Abstract: A traffic information processing system includes on-board unit configured to be installed in a vehicle, an on-board unit-equipped vehicle number-detecting unit configured to detect the number of vehicles equipped with on-board unit entering a sample area based on information received from the on-board unit, a total vehicle number-detecting unit configured to detect the number of all vehicles entering the sample area, a vehicle ratio operation unit configured to calculate a value related to a ratio based on the number of vehicles equipped with the on-board unit detected by the on-board unit-equipped vehicle number-detecting unit and the number of all vehicles detected by the total vehicle number-detecting unit, and a total vehicle number-estimating operation unit configured to calculate a total number of vehicles in the zone.

Abstract: A car sharing management device includes a congestion state computation unit configured to determine a congestion state of a parking lot area based on vehicle use information about use of a target vehicle for car sharing and parking lot use information about use of the parking lot area in which the target vehicle is parked and an empty space judgement unit configured to determine whether a parking lot area presently fully occupied or predicted to be fully occupied in the future exists based on the congestion state determined by the congestion state computation unit.

Abstract: An insert detachably attached to an indexable rotary cutting tool, comprising an upper surface having cutting edges along the ridgeline, a lower surface, side surfaces, and a center hole for a fastening screw; each cutting edge comprising a corner cutting edge formed in each acute corner portion, and a bottom cutting edge and a peripheral cutting edge formed along the ridgelines on both sides of the corner cutting edge; the bottom cutting edge and the peripheral cutting edge having different clearance angles; a flank of the corner cutting edge comprising an angle-changing surface portion having a clearance angle continuously changing in a region from the bottom cutting edge to the peripheral cutting edge; and the length of the peripheral cutting edge being restricted by a receding portion adjacent to an upper end of the peripheral cutting edge.

Abstract: A printer includes a platen unit having a platen roller for advancing recording paper and a head unit detachably combined with the platen unit and having a thermal head with heating elements. A fixed blade is provided in the platen unit and a movable blade is provided in the head unit for undergoing sliding movement relative to the fixed blade to cut the recording paper. A detected member provided to the platen unit is positioned at a predetermined position of the head unit when the head unit is combined with the platen unit. The detected member engages the movable blade for movement therewith as the movable blade slides. A sensor is provided at the predetermined position of the head unit for detecting the detected member to detect that the movable blade is at an initial position and to detect a combined state between the head unit and the platen unit.

Abstract: A printing unit comprises: a platen unit including a platen roller configured to feed a recording sheet; and a head unit including a thermal head configured to perform printing on the recording sheet, the head unit being separably combined with the platen unit, the head unit including: a head frame; a cutter mechanism mounted to the head frame in a removable manner, the cutter mechanism being configured to cut the recording sheet; a support member provided between the cutter mechanism and the head frame, the support member being movable between a coupled position at which the cutter mechanism is coupled to the head frame and a decoupled position at which the cutter mechanism is detachable from the head frame; and a first urging member interposed between the thermal head and the support member, the first urging member being configured to urge the thermal head toward the platen roller, and to urge the support member toward the coupled position.

Abstract: A printing unit comprises: a head unit including a head block having a thermal head provided therein; a platen unit including a platen roller configured to feed a recording sheet, the platen unit being separably combined with the head unit, wherein the head unit includes: a head frame including the head block removably mounted thereon, the head frame being configured to support the head block so that the head block is pivotable in a direction approaching and separating from the platen roller; an urging member interposed between the head frame and the head block, the urging member being configured to urge the thermal head toward the platen roller; a cutter mechanism mounted onto the head frame so as to be removable therefrom; and lock portions locked to the head block, which are configured to restrict a pivot of the head block toward the platen roller.

Abstract: A printing unit comprises: a head unit including a head block having a thermal head provided therein; a platen unit including a platen roller configured to feed a recording sheet, the platen unit being separably combined with the head unit, wherein the head unit includes: a head frame including the head block removably mounted thereon, the head frame being configured to support the head block so that the head block is pivotable in a direction approaching and separating from the platen roller; an urging member interposed between the head frame and the head block, the urging member being configured to urge the thermal head toward the platen roller; a cutter mechanism mounted onto the head frame so as to be removable therefrom; and lock portions locked to the head block, which are configured to restrict a pivot of the head block toward the platen roller.

Abstract: A printing unit comprises: a head unit; and a platen unit to be combined with the head unit. The platen unit includes: a pair of shaft support portions configured to individually support both end portions of the platen roller; and a coupling portion configured to bridge the pair of shaft support portions. The head unit includes an abutment portion provided to the head unit, which is configured to come into abutment against the coupling portion of the platen frame when the platen frame is located at the mounting position. A pressure-applying mechanism is provided between the platen frame and the subframe, which is configured to apply a pressure to the platen frame toward the abutment portion.

Abstract: An electric vehicle management system which controls a charging amount for an electric vehicle by way of peak shift, and an on-board unit used for the electric vehicle management system are provided. Thereby, the on-board unit mounted on the electric vehicle detects a current location, and an electric vehicle management center provided on a network manages a charging schedule created in advance. Propriety of a charging operation at a current time is checked via communications between them. Charging of the electric vehicle is managed based on the charging schedule by notifying a driver of the check result through a display of the on-board unit.

Abstract: An on-board unit 1 mounted on a vehicle includes a GPS receiver 21 determining the location of the on-board unit 1, a radio communication interface 22 and a processing unit 25. The processing unit 25 is configured to generate vehicle location information indicating the location of the on-board unit 1 determined by the GPS receiver 21 after starting a normal operation and to transmit the vehicle location information to the external device with the radio communication interface 22. The processing unit 25 is configured to, when detecting a stop of the vehicle, transmit vehicle stop information indicating the stop of the vehicle to the external device with the radio communication interface 22 and to place the on-board unit 1 into a low power consumption state after the transmission of the vehicle stop information.

Abstract: A board connection structure includes an opening, which is formed at an edge of a waveguide in a first board, and an opening, which is formed at an edge of a waveguide in a second board. The openings are connected to each other. The first board and the second board are connected with an insulation film disposed therebetween. The insulation film has a thickness of 60% or less of a waveguide width that determines a propagation mode in at least one of the waveguide in the first board and the waveguide in the second board.

Abstract: A traffic information processing system includes on-board unit configured to be installed in a vehicle, an on-board unit-equipped vehicle number-detecting unit configured to detect the number of vehicles equipped with on-board unit entering a sample area based on information received from the on-board unit, a total vehicle number-detecting unit configured to detect the number of all vehicles entering the sample area, a vehicle ratio operation unit configured to calculate a value related to a ratio based on the number of vehicles equipped with the on-board unit detected by the on-board unit-equipped vehicle number-detecting unit and the number of all vehicles detected by the total vehicle number-detecting unit, and a total vehicle number-estimating operation unit configured to calculate a total number of vehicles in the zone.

Abstract: A printer comprises: a platen unit having a platen roller for advancing recording paper; a head unit having a thermal head with a plurality of heating elements provided thereto, the head unit being detachably combined with the platen unit; a fixed blade incorporated in the platen unit; a movable blade slidably incorporated in the head unit, the movable blade cutting the recording paper between the movable blade and the fixed blade; a detected member provided to the platen unit, the detected member being positioned at a predetermined position of the head unit when the head unit is combined with the platen unit, and engaging the movable blade to move therewith as the movable blade slides; and a sensor provided at the predetermined position of the head unit, the sensor detecting the detected member to detect that the movable blade is at an initial position.

Abstract: A negative cutting insert having a cutting edge comprising four long-side cutting edge portions for rough cutting and four short-side cutting edge portions for finish cutting, which are connected alternately, thereby being able to conduct rough cutting when attached to a rough-cutting tool body, and finish cutting when attached to a finish-cutting tool body. When such cutting inserts are used for rough or finish cutting and then reattached to a finish-cutting tool body or a rough-cutting tool body, finish or rough cutting can be conducted, thereby using all cutting edges thoroughly.

Abstract: A semiconductor device includes a first hetero-junction body in which a first channel layer and a first barrier layer are bonded together; a second hetero-junction body in which a second channel layer formed on the first hetero-junction body and a second barrier layer are bonded together; a gate electrode in Schottky contact with the second barrier layer; and source and drain electrodes in ohmic contact with the first and second hetero-junction bodies. At least one of the first and second channel layers has such a thickness that an electron concentration in a 2DEG layer formed in the channel layer is not reduced.

Abstract: According to a method for fabricating a semiconductor device, a first semiconductor layer made of a first nitride semiconductor is formed over a substrate. Thereafter, a mask film covering part of the upper surface of the first semiconductor layer is selectively formed on the first semiconductor layer. A multilayer film, in which second and third nitride semiconductors having different band gaps are stacked, is selectively formed on the first semiconductor layer with the mask film used as a formation mask. On the multilayer film, an ohmic electrode is formed.

Abstract: A semiconductor device of the present invention includes: a III-V nitride semiconductor layer including a channel region in which carriers travel; a concave portion provided in an upper portion of the channel region in the III-V nitride semiconductor layer; and a Schottky electrode consisting of a conductive material forming a Schottky junction with the semiconductor layer, and formed on a semiconductor layer, which spreads over the concave portion and peripheral portions of the concave portion, on the III-V nitride semiconductor layer. A dimension of the concave portion in a depth direction is set so that a portion of the Schottky electrode provided in the concave portion can adjust a quantity of the carriers traveling in the channel region.

Abstract: A semiconductor device includes: a semiconductor layer; at least one electrode formed on a semiconductor layer to be in contact with the semiconductor layer; and a passivation film covering the semiconductor layer and at least part of the top surface of the electrode to protect the semiconductor layer and formed of a plurality of sub-films. The passivation film includes a first sub-film made of aluminum nitride.