Abstract: A dilator (30) insertable into a catheter (20) includes a tubular shaft part (40), and a tubular flexible part (50) located on a distal end side of the shaft part (40) and formed of a resin more flexible than the shaft part (40), and includes, in the shaft part (40) and/or the flexible part (50), a physical property inclined part (42) in which rigidity gradually decreases from a proximal end side toward a distal end side. The catheter assembly is capable of achieving both stable catheter insertability into a blood vessel and reduction in risk of blood vessel perforation.

Abstract: A non-contact type IC card includes a plane coil comprising a conductor line wound several times on substantially the same surface. The plane coil has respective terminals at the innermost and outermost ends. A semiconductor element has electrode terminals electrically connected to the terminals of the plane coil, respectively. A resin-filled portion is defined by a part of the circumference of the plane coil where spaces between adjacent loops of conductor line of the plane coil are filled with light-setting resin to maintain predetermined intervals between the adjacent conductors lines of the plane coil.

Abstract: An antenna for a non-contact type IC card is provided. A plane coil is formed by punching or etching a thin metal plate in such a manner that a conductor line is wound several times on substantially the same surface. The plane coil has respective terminals at innermost and outermost ends. The innermost terminal is provided with accommodation hole, in which a semiconductor element having electrode terminals is arranged. A circuit film comprises an insulating resin film and a circuit pattern formed on the insulating resin film. The circuit pattern electrically connects the electrode terminals of the semiconductor element to the terminals of the plane coil, respectively. At least one projection is integrally formed with the conductor and extending therefrom inwardly or outwardly so as not to contact an adjacent loop of the conductor line. The projection is located at any desired position to be used as a suction pad, an alignment mark or a positioning guide when said plane coil is sucked or positioned.

Abstract: A semiconductor device with an antenna including one or more antenna units for sending and receiving signals and a semiconductor element electrically connected to the antenna units, wherein the antenna units are formed by pressing or etching a thin metal sheet with substantially the same flat surface size as the semiconductor element, and the antenna units are integrally coupled to the surface of the semicondcutor element. The antenna units are formed in a plurality of layers separated by insulating layers, and the antenna units formed on the respective layers are connected electrically in series with each other.

Abstract: An IC card comprises: a plane coil having respective terminal sections; a semiconductor element arranged at a position not overlapping with the plane coil, the semiconductor element having electrode terminals; means for electrically connecting the respective terminal sections of the plane coil to the electrode terminals of the semiconductor element; and a reinforcing frame arranged on a face substantially the same as that of the semiconductor element so that the semiconductor element is surrounded by the reinforcing frame.

Abstract: An antenna for a non-contact type IC card is provided.

Abstract: A non-contact type IC card includes a plane coil comprising a conductor line wound several times on substantially the same surface. The plane coil has respective terminals at the innermost and outermost ends. A semiconductor element has electrode terminals electrically connected to the terminals of the plane coil, respectively. A resin-filled portion is defined by a part of the circumference of the plane coil where spaces between adjacent loops of conductor line of the plane coil are filled with light-setting resin to maintain predetermined intervals between the adjacent conductors lines of the plane coil.

Abstract: The present invention provides a drive controlling apparatus used in a sheet supplying apparatus including a lift/lower sheet supporting device for supporting a sheet, a sheet supply mechanism for feeding out the sheet supported by the sheet supporting device, a biasing mechanism for biasing the sheet supporting device toward the sheet supply mechanism, and a separating mechanism for separating the sheet supporting device from the sheet supply mechanism in opposition to a biasing force of the biasing mechanism, and wherein the sheet urged against the sheet supply mechanism by the biasing mechanism is fed out by the sheet supply mechanism, said drive controlling apparatus adapted to transmit a driving force for operating the separating mechanism from a drive source and comprising a drive side device connected to the drive source, a driven side device connected to the separating mechanism, and a play setting device for providing a play for not transmitting the driving force within a predetermined range between

Abstract: An ink jet recording apparatus comprises a recording head having in a surface thereof ink discharge openings for discharging ink and a first cleaning member disposed at a non-recording area offset from a recording area and opposed to the recording head for removing foreign matter including ink by scrubbing the surface. A second cleaning member is disposed at a side area of the recording head for scrubbingly cleaning foreign matter including ink adhered to said first cleaning member. The second cleaning member has an introducing path into which is introduced the foreign matter including ink adhered to the first cleaning member and an absorbing member disposed at an end portion of the introducing path for collecting the foreign matter including ink introduced into the introducing path from the first cleaning member. In the apparatus different color inks are cleaned by the first cleaning member in the order of a lighter ink to a darker ink color.

Abstract: A rubber formulation including (a) a hydrogenated nitrile rubber, (b) an organopolysiloxane, (c) a cross-linking controller selected from (i) an ester or polyester of acrylic or methacrylic acid with a polyhydric alcohol, (ii) an amide or polyamide of acrylic or methacrylic acid with a polyamine, (iii) an alkoxysilane having a C.dbd.C double bond, an amino group or a mercapto group and (iv) triallyl isocyanate, (d) an optional filler, and (e) a peroxide crosslinking agent. The rubber formulation is prepared by mixing together (a') a hydrogenated nitrile rubber composition having added therein an optional filler, (b') an organopolysiloxane composition having added therein an optional filler, and (c) the crosslinking controller, and thereafter adding (e) the peroxide crosslinking agent.

Abstract: The present invention provides an image forming system including a containing portion capable of containing a first sheet supporting means for stacking and supporting sheets, extender means for expanding a containing space of the containing portion in a height direction so that a second sheet supporting means having sheet containing ability greater than that of the first sheet supporting means can be contained in the expanded containing space, sheet supply means for feeding out the sheet from the first or second sheet supporting means contained in the containing portion; and image forming means for forming an image on the sheet fed by the sheet supply means. Wherein the extender means includes a plurality of extender members adapted to be arranged at both lateral sides of the sheet supporting means to increase the height of the containing portion, and connecting means for connecting the plurality of extender members.

Abstract: An ink jet recording apparatus has plural ink discharge portions, in corresponding recording heads, for discharging different color inks. The ink discharge portions are arranged with a discharge portion for relatively light ink always followed by a discharge portion for relatively dark ink (a given ink being lighter than another ink if the color of a mixture of those two inks is closer to the color of the other ink than to the color of the given ink). A carriage for scanning the recording heads causes a retractable cleaning member and the ink discharge portions to move relative to each other in a single direction so that the ink discharge portions are cleaned only in the order of lighter to darker inks. A second cleaning member is disposed at a position opposed to the first cleaning member to clean the first cleaning member.

Abstract: This specification discloses a sheet conveying device for conveying a sheet which is applied to an image recording apparatus. More particularly, the specification discloses a sheet conveying device for conveying a sheet by the cooperation between a rotational member rotatable in the direction of sheet conveyance and a contact member which is in contact with the rotational member. According to the present invention, there is provided a sheet conveying device which can convey a sheet without causing oblique movement and irregularity of feeding of the sheet, for example, even under high temperature and high humidity conditions.

Abstract: An oil tensioner for applying a tensile force to chains, belts and similar wrapping type power transmitting mechanisms. The tensioner includes an oil reservoir for storing oil drawn from an engine block to a cylinder of a piston via a check valve, and returned to the reservoir via an orifice. The valve and orifice allow the piston to move more readily in one direction than in the other. A bell-shaped oil filter disposed adjacent to the bottom of the reservoir filters out chips and dust as well as controls the rate of oil outflow thereby preventing air from being drawn into the cylinder with the oil, and providing smooth oil flow and possible damage to the components.

Abstract: A chain tensioner comprises a body which is received in a bore formed through a side wall of a chain case, and includes a generally cylindrical portion. A plunger is slidably received in the cylindrical portion so as to press a timing chain. A check valve is arranged in the body. A damping chamber is defined by the cylindrical portion and the plunger, and is fluidly communicated with an oil pump via an oil supply passage. On the other hand, an oil reservoir is defined by the bore and the body, and is fluidly communicated with the damping chamber through the check valve via an oil passage, and also with the damping chamber via a flow restrictor.

Abstract: A motor control apparatus disclosed in this invention counts output signals from an encoder upon rotation of a rotor, and performs energization switching of a motor coil when the count value has reached a predetermined value.

Abstract: A sheet feeding apparatus for feeding a sheet to a recording station by means of rollers, comprising an automatic OHP sheet feeder, wherein the fact whether a sheet being fed is an OHP sheet or a separating sheet is discriminated; if the sheet is the OHP sheet, the sheet is advanced by a predetermined amount, and is retracted by a predetermined amount into a waiting passage; then, another sheet is supplied and the fact that the another sheet is a separating sheet is confirmed; and thereafter, images or characters are recorded on the OHP sheet, while feeding the OHP sheet and the separating sheet altogether in an overlapped condition.

Abstract: A semiconductor device with a FET utilizing a two-dimensional electron gas (2DEG), including a substrate, a first semiconductor layer (an undoped GaAs layer) formed on the substrate by an MBE method, a second semiconductor layer (an n-type AlGaAs layer) formed on the first layer by an MBE method, a source electrode and a drain electrode formed on the second layer and having alloyed regions, and a gate electrode formed on the second layer. To decrease the contact resistance between the alloyed regions and the 2DEG layer in the first layer, impurity doped regions are formed in the first layer under the source electrode and the drain electrode by an ion-implantation method, prior to the formation of the second layer. Further, an internal conductive line or resistor can be formed by doping impurities into the first layer by an ion-implantation method prior to the formation of the second layer.

Abstract: An ink jet recorder is provided with a recovery device for preventing unsatisfactory ink discharge of a recording head, the recovery device being provided with ink suction means having a cap covering an ink discharge port, a vent valve for opening and closing the interior of the cap with respect to the atmosphere and a suction pump for producing a negative pressure in the cap, and wiping means having a cleaning blade adapted to be advanced and retracted relative to the ink discharge port. The cleaning blade is protruded when a motor effecting the sequence operation of the ink suction means revolves in one direction, and is stopped at its retracted position when the motor revolves in the opposite drection.

Abstract: High electron mobility heterojunction semiconductor devices provided with a means to cause exposure of the electron source layer thereof to an electromagnetic wave allows modulation, adjustment and the like of the characteristics thereof even after completion of the production thereof, thus realizing a considerable magnitude of flexibility in the characteristics as well as considerably different modes in various embodiments, including field effect transistors which allow modulation of threshold voltage etc., connection channels or capacitors having a smaller resistance, programmable memory devices, image sensors. In addition, the high electron mobility heterojunction semiconductor devices can have a much higher operation speed than those available in the prior art.