摘要:
A robot apparatus having a plurality of movable sections includes a motion control section that generates a control signal for the periodic motion of at least part of the movable sections according to the output of an oscillator showing self-oscillation and entrainment characteristics, an environment measuring section that measures the motion according to the control signal for the movable sections or the physical environment at the time of the motion of the movable sections, a periodic oscillator control section that inputs a periodic signal to the oscillator as feedback according to the outcome of the measurement by the environment measuring section and generates an entrainment phenomenon and a non-periodic oscillator control section that inputs a non-periodic or temporary feedback signal to the oscillator.
摘要:
An electronic device includes a first molded body having a first frame, the first molded body being provided with a conductive pattern on its outer surface, a second molded body having a second frame, the second molded body being joined to the first molded body, a wiring sheet made of an insulative sheet provided with an interconnection pattern, a circuit board having a feed point, and a feed line having a first end extended to a mating surface of the first frame opposed to the second frame and a second end connected to the conductive pattern. The interconnection pattern has a first end connected to the one end of the feed line. The interconnection pattern has a second end connected to the feed point.
摘要:
The motion of the movable sections of the robot is taken for a periodic motion so that the attitude of the robot can be stably controlled in a broad sense of the word by regulating the transfer of the movable sections. More specifically, one or more than one phase generators are used for the robot system and one of the plurality of controllers is selected depending on the generated phase. Then, the controller controls the drive of the movable sections according to continuous phase information. Additionally, the actual phase is estimated from the physical system and the frequency and the phase of the phase generator are regulated by using the estimated value, while the physical phase and the phase generator of the robot system are subjected to mutual entrainment so that consequently, it is possible to control the motion of the robot by effectively using the dynamics of the robot.
摘要:
An electronic apparatus includes: a housing provided with a first conductive pattern; a substrate provided with a first wiring layer in a surface thereof and fixed to the housing; and a first conductive member connecting the first conductive pattern and the first wiring layer. The first conductive pattern extends onto an outer surface and an inner surface of the housing. The first conductive member is in contact with each of at least a part of the first conductive pattern extending onto the inner surface and an end of the first wiring layer. Alternatively, an electronic apparatus includes: a housing provided with a conductive pattern and having a through part in a frame portion thereof; and a substrate provided with a wiring layer on a surface thereof and having a protruding part and fixed to the housing. The protruding part and the through part are fit. The conductive pattern extends onto an outer surface of the housing and onto an inner surface of the through part. At least some of the conductive pattern extending onto the inner surface is in contact with an end of the wiring layer.
摘要:
After placing an original document on a document platen of a copying apparatus main body, when a detection switch detects a predetermined angle of .theta. of a document cover in the course of closing the document cover, a light-emitting device of a distance-measuring sensor is driven. Light released from the light-emitting device is projected onto the original document or the document cover, and the reflected light is received by a light-receiving device. A signal corresponding to the light-receipt point of the light-receiving device is released, and a measurement is made to find the distance from the sensor to the original document or to the document cover based on the signal. A discrimination is made as to the presence or absence of original document based on the measured distance, and copying control suitable for the result of the discrimination is carried out. At this time, if external light or other light is received by the light-receiving device, the output of the light-receiving device exceeds a predetermined range. This state is regarded as no original document is located above the related distance-measuring sensor, and the corresponding process is carried out.
摘要:
An SiC semiconductor device has a p type region including a low concentration region and a high concentration region filled in a trench formed in a cell region. A p type column is provided by the low concentration region, and a p+ type deep layer is provided by the high concentration region. Thus, since a SJ structure can be made by the p type column and the n type column provided by the n type drift layer, an on-state resistance can be reduced. As a drain potential can be blocked by the p+ type deep layer, at turnoff, an electric field applied to the gate insulation film can be alleviated and thus breakage of the gate insulation film can be restricted. Therefore, the SiC semiconductor device can realize the reduction of the on-state resistance and the restriction of breakage of the gate insulation film.
摘要:
In a method of manufacturing a silicon carbide semiconductor device including a vertical switching element having a trench gate structure, with the use of a substrate having an off angle with respect to a (0001) plane or a (000-1) plane, a trench is formed from a surface of a source region to a depth reaching a drift layer through a base region so that a side wall surface of the trench faces a (11-20) plane or a (1-100) plane, and a gate oxide film is formed without performing sacrificial oxidation after formation of the trench.
摘要:
A method of manufacturing a semiconductor device includes forming a drift layer on a substrate; forming a base layer on the drift layer; forming a trench to penetrate the base layer and to reach the drift layer; rounding off a part of a shoulder corner and a part of a bottom corner of the trench; covering an inner wall of the trench with an organic film; implanting an impurity to a surface portion of the base layer; forming a source region by activating the implanted impurity; and removing the organic film after the source region is formed, in which the substrate, the drift layer, the base layer and the source region are made of silicon carbide, and the implanting and the activating of the impurity are performed under a condition that the trench is covered with the organic film.
摘要:
A SiC semiconductor device includes a reverse type MOSFET having: a substrate; a drift layer and a base region on the substrate; a base contact layer and a source region on the base region; multiple trenches having a longitudinal direction in a first direction penetrating the source region and the base region; a gate electrode in each trench via a gate insulation film; an interlayer insulation film covering the gate electrode and having a contact hole, through which the source region and the base contact layer are exposed; a source electrode coupling with the source region and the base region through the contact hole; a drain electrode on the substrate. The source region and the base contact layer extend along with a second direction perpendicular to the first direction, and are alternately arranged along with the first direction. The contact hole has a longitudinal direction in the first direction.
摘要:
A chassis includes: a flat plate portion including a first major surface and a second major surface facing the first major surface; a protruding portion provided on an outer edge of the flat plate portion and protruding in a direction crossing the first and second major surfaces; and a seal portion provided on the outer edge of the flat plate portion.