Abstract: Disclosed is a throttle valve control device for internal combustion engines which has good measuring accuracy and improved controllability of an air flow rate. A throttle valve is rotatably attached to a throttle body through a throttle shaft. The throttle body has an inner surface of straight bore type that the center of rotation of the throttle valve is positioned on a line connecting the centers of an upstream opening and a downstream opening of the throttle body. The throttle body has a spherical inner surface X2 in an idle speed control area .theta.2 near the fully closed angle of the throttle valve. The throttle body also has, in an area .theta. subsequent to the spherical inner surface X2, an inner surface X3 having a composite form made up of a spherical surface and a cylindrical surface substantially parallel to a flow of intake air.

Abstract: An apparatus and a method of reproducing a synchronization signal in a disc storage system. The apparatus includes disc mechanism having a plurality of information storage discs in one of which a predetermined servo pattern is recorded, and a corresponding plurality of reproducing heads, one of the heads reading the servo pattern from the corresponding disc to thereby output a servo signal, a synchronization signal demodulating unit, responsive to the servo signal from the disc mechanism, for demodulating a synchronization signal in synchronization with a rotation of the discs, a synchronization clock generating unit for generating a clock signal with a predetermined frequency in synchronization with the synchronization signal, and a gate unit. For a predetermined period, the gate unit prohibits a supply of the synchronization signal from the synchronization signal demodulating unit to the synchronization clock generating unit.

Abstract: A database access system for a distributed system, in which the database access load is distributed among a plurality of gateways, and an arbitrary character code set can be used for database access. After the lapse of a predetermined time length, processings for particular database access are terminated. An error of a DBMS or a component on the gateway is detected by a client. The gateway detects an error of the client in connection. The client notifies the character code set identification information of the character code used for outputting the request to the gateway, and the gateway converts the character code for the request and a response to the client. The gateway receives an access request, secures the connection with a database access language conversion unit, and sends the language converted to a DBMS. In the absence of a response after the lapse of a predetermined time length, the connection with the database access language conversion unit is terminated and an error is notified to the client.

Abstract: The invention relates a halftone phase shift photomask and a blank therefor, which enables the transmittance of a phase shift portion to be varied even after blank or photomask fabrication, can accommodate to a variety of patterns, and can be fabricated on a mass scale. The exposure light transmittance of a halftone phase shift layer is arbitrarily variable within the range of 1% to 50%, inclusive, by exposing the blank or photomask to a high temperature elevated to at least 150.degree. C., to an oxidizing atmosphere, or to a reducing atmosphere at a step that can provided independent of the steps for film-forming or photomask fabrication step. This enables the exposure light transmittance of the halftone phase shift layer to be changed to any desired value after blank or photomask fabrication, and so an optimal halftone phase shift photomask to be obtained depending on the size, area, location, shape, and the like of the transferred pattern.

Abstract: An amorphous alloy which is resistant to hot corrosion in sulfidizing and oxidizing atmospheres at high temperatures, consisting of at least one element selected from the group of Al and Cr and at least one element selected from the refractory metals Mo, W, Nb, and Ta, a portion of the set forth refractory metals being allowed to be substituted with at least one element selected from Fe, Co, Ni and Cu. The addition of Si further improves the alloy's oxidation resistance.

Abstract: An image of an original mounted on a platen is converted into image data by a CCD. An original region detection unit detects the region of the original mounted on the platen from the image data. According to this detection, the writing address of the image memory is controlled so that image data of the center of the original mounted region is written into an address matching the center of the sheet. As a result, various image editorial processes can easily be carried out in a digital copy machine.

Abstract: The present invention relates to a medium composition for culturing animal cells which is obtained by combining at least one component selected from the group of substances mentioned below with a medium composition comprising inorganic salts, saccharides, vitamins and amino acids; a method for culturing animal cells comprising adding to a medium for the cells as a cell growth promoting substance at least one component selected from the group mentioned below; a method for enhancing the antibody production of antibody-producing cells comprising adding to a medium for the cells at least one component selected from the group mentioned below; a composition for enhancing the antibody production of antibody-producing cells which is obtained by combining at least one antibody production enhancing agent selected from the group mentioned below with a composition comprising inorganic salts, saccharides, vitamins and amino acids; and a method for producing a physiologically active substance comprising culturing animal ce

Abstract: A polishing machine for polishing a flat workpiece such as a semiconductor wafer has a rotatable reference table supporting an abrasive cloth disposed on a surface thereof, and a rotatable workpiece holder for holding a flat workpiece against the abrasive cloth. While the flat workpiece is being polished by the abrasive cloth, an abrasive compound is supplied between the abrasive cloth and the flat workpiece. The reference table has grooves defined therein for dissipating heat from the reference table and the abrasive cloth while the flat workpiece is being polished by the abrasive cloth. The grooves may be supplied with either the abrasive compound or a coolant.

Abstract: In a first embodiment, a clutch disc assembly has a retaining plate 5, a hub 2, a first coil spring 6, a second coil spring 7, and a first friction washer 8. A connecting plate 3 is positioned in an outer circumference of the of the hub 2. The first coil spring elastically couples the connecting plate 3 and the hub 2 in a circular direction. The second coil spring 7 elastically couples the retaining plate 5 and the connecting plate 3 in a circular direction and is more excellent in rigidity than the first coil spring 6. The first friction washer 8 includes a first friction member 13 positioned between the retaining plate 5 and the hub 2, a second friction member 14 positioned between the connecting plate 3 and the retaining plate 5, and a coupling element coupling the first and second friction members 13 and 14 and elastically deformable in axial directions.

Abstract: A D/A conversion interface is provided with a first switch for supplying a constant current to a smoothing circuit that outputs an analog signal, and a second switch for extracting the constant current from the smoothing circuit. The operation period of the first switch is controlled by forward signal pulses of a digital servo signal; the operation period of the second switch is controlled by reverse signal pulses of the digital servo signal.

Abstract: A vehicle occupant-restraining webbing is used in a seat belt apparatus of a vehicle in which an air bag apparatus is provided as an auxiliary occupant protecting apparatus, and comprises a webbing length increasing section in which a folded portion of the webbing, formed with a portion of the webbing being folded in a longitudinal direction of the webbing, includes first, second and third regions arranged in order from a fold base end to a fold tip end, wherein the first region is formed by stitching and when a first tensile force acts in the longitudinal direction of the webbing and is applied to the first region to undo the stitching of the first region, the length of the webbing is increased, the second region is provided so as to increase the length of the webbing without applying active tensile force in the longitudinal direction of the webbing when the stitching of the second region comes undone, and the third region is formed by stitching and when a second tensile force which is smaller than the first

Abstract: Binary and multi-value test patterns respectively generated by a test pattern generation circuit and a multi-value pattern generation circuit, which are independent from each other, are printed, and the presence/absence of an abnormality of an image forming apparatus, and the source of the abnormality, i.e., the engine side or the controller side, are categorized on the basis of the print states of the patterns.

Abstract: In a solution for forming electron-emitting regions of electron-emitting devices, the solution contains a metal carboxylate expressed by the following general formula (I), an organic solvent and/or water;(R(COO).sub.k).sub.m M (I)where k=numeral from 1 to 4, m=numeral from 1 to 4, and R=C.sub.n X.sub.2n+1-k where X=hydrogen or halogen (total number of hydrogen and halogen atoms is 2n+1), n=integer from 0 to 30, and M=metal.In a manufacture method of electron-emitting devices each provided between electrodes with a conductive film including an electron-emitting region, a process of forming the conductive film includes a step of coating and calcining the above solution. An image-forming apparatus is manufactured by using the electron-emitting devices. Variations in sheet resistance values of electron-emitting region-forming thin films and characteristics of the electron-emitting devices are reduced.

Abstract: A multilayer comprising magnetic layers and nonmagnetic layers, which are stacked in a manner to produce a magnetoresistance effect, is formed on a main surface of a substrate having at least the surface portion formed of a single crystal of cubic system. The (110) plane of said single crystal constituting the main surface of the substrate. The magnetic layers are distorted such that a uniaxial easy axis of magnetization is formed within a plane.

Abstract: A semiconductor device of the present invention includes an insulating layer covering a plurality of semiconductor elements formed in a semiconductor layer, an opening portion formed in the insulating layer respective conductive porions of the plurality of semiconductor elements in the insulating layer, and a conductive pattern formed in the opening portion for connecting respective conductive portions of the plurality of semiconductor elements.

Abstract: The composition of the present invention is curable by active energy ray. It is a mixture including a coupling agent, an active energy ray-curable compound and water. A glass article will show improved mechanical strength if it is coated with the composition of the present invention and irradiated with active energy ray to cure the coating.

Abstract: There is provided a magnetic material having a TbCu.sub.7 phase as a principal phase and excellent in residual magnetic flux density. This magnetic material is formed of a composition represented by a general formula:R1.sub.x R2.sub.y B.sub.z A.sub.u M.sub.100-x-y-z-uwherein R1 is at least one element selected from rare earth elements including Y; R2 is at least one element selected from Zr, Hf and Sc; A is at least one element selected from H, N, C and P; M is at least one element selected from Fe and Co; x, y, z and u represent are atomic percent individually defined as 2.ltoreq.x, 2.ltoreq.x+y.ltoreq.20, 0.001.ltoreq.z.ltoreq.10, 0.ltoreq.u.ltoreq.20; and a principal phase of the magnetic material having a TbCu.sub.7 type crystal structure.

Abstract: A mounting structure for mounting a polygon mirror on a rotating body includes a mirror seat formed in the rotating body for mounting the polygon mirror thereon and a fixing device for fixing the polygon mirror on the mirror seat. The mirror seat is formed on the periphery of the rotating body, and the polygon mirror includes in a top surface thereof an annular groove of a rectangular section at a position thereof a predetermined radius from the center of rotation of the rotating body. The fixing device comprises a planar ring-shaped anchoring member fixed to the rotating body and having along a peripheral portion thereof a plurality of downwardly extending conical or semispherical projections. The projections of the anchoring member engage with the annular groove in the polygon mirror and press against the upper edge of the inner periphery of the groove by point contact to thereby fix the polygon mirror in position.

Abstract: A projector projects an image. A scanning mirror deflects the projected image by mirror oscillation method. A reading device reads the projected image deflected by said scanning mirror and outputs an image data corresponding to the projected image. A discriminating device discriminates which projection lens is mounted on said projection lens mount among said plurality of lenses. A memory device stores respective distortion data of said plurality of projection lenses and distortion data concerned with a distortion being due to the oscillation method. A correcting device corrects distortion of the distortion data of the projection lens which is discriminated to be mounted on the projection lens mount and the distortion data concerned with a distortion being due to the oscillation method.