Abstract: A fuel injection control system for an internal combustion engine comprises a plurality of fuel injector valves, a pumping system having a suction valve, a discharge valve, and a high-pressure pump section sucking fuel into a pressurized chamber with the suction valve opened on a suction stroke and for discharging the fuel in the pressurized chamber toward the injector valves with the discharge valve opened on a discharge stroke. A relief passage is connected, at one end, to a lowpressure line upstream of the suction valve. The other end of the relief passage is connected to the pressurized chamber. A fuel-pressure control valve is disposed in the relief passage for regulating a fuel pressure of the fuel injected from each of the fuel injector valves by opening the fuel-pressure control valve only for a specified time duration from a controllable middle stage of the discharge stroke to the end of the discharge stroke.

Abstract: A light emitting layer forming portion is formed of an AlGaInP-based compound semiconductor and having an n-type layer and a p-type layer to form a light emitting layer on the substrate. A large bandgap energy semiconductor layer is provided on a surface of the light emitting layer forming portion to constitute a window layer. A buffer layer is interposed between the light emitting layer forming portion and the large bandgap energy semiconductor layer to relieve lattice mismatch of between the light emitting layer forming portion and the large bandgap energy semiconductor layer. The interposition of this buffer layer provides a light emitting device that is high in light emitting efficiency and excellent in electrical characteristics without degrading the film property of the window layer.

Abstract: A semiconductor light emitting device has a light emitting layer forming portion formed on the substrate and having an n-type layer and a p-type layer to provide a light emitting layer. A window layer is formed on a surface side of the light emitting layer forming portion. The window layer is formed of AlyGal-yAs (0.6.ltoreq.y.ltoreq.0.8) auto-doped in a carrier concentration of 5.times.10.sup.18 -3.times.10.sup.19 cm.sup.-3. The resulting semiconductor light emitting device is free of degradation in crystallinity due to p-type impurity doping, thereby provide a high light emitting efficiency and brightness without encountering device degradation or damage.

Abstract: A bidirectional signal distributing system which can use a sweet sleep system at home without exerting a burden on a subscriber so as to purchase the sweet sleep system. Luminance change frequency data and/or audio change frequency data suitable to shift to a sweet sleep state of the subscriber has been stored in a head end apparatus in the bidirectional signal distributing system. When the subscriber requests a sweet sleep function, the luminance change frequency data and/or audio change frequency data according to the subscriber provided on the head end side is read out, a predetermined video signal and/or audio signal is modulated, and the modulated signal is transmitted to the subscriber apparatus.

Abstract: After fillet surfaces have been generated with respect to surfaces, a joint surface is generated between the fillet surface. New fillet surfaces are determined from the fillet surfaces and the joint surface. Then, a phase relationship is established between data relative to the surfaces and data relative to the new fillet surfaces, and these data are combined into shape data including data of fillet surfaces which are capable of representing the complete shape of a product.

Abstract: An audio signal data processing system comprises input device for sequentially supplying an audio signal data, data memory control device for writing the audio signal data into a data memory and reading-out the data from the data memory, delay memory control device for sequentially reading-out the audio signal data from the data memory and storing the data into a location of a delay memory indicated by a writing address and for reading-out the audio signal data from a location of the delay memory indicated by a reading address and writing the data into the data memory, address designating devices for designating the writing and reading addresses, arithmetic device for multiplying a predetermined coefficient data to the audio signal data having been read-out by the delay memory control device and written into the data memory, and output device for providing the audio signal data in accordance with a result of operation by the arithmetic device.

Abstract: A liquid crystal emulsion composition usable for forming a polymer dispersed type liquid crystal membrane free from undesirable bubbles, by a printing method, comprises 100 parts by weight of a liquid crystal material, 10 to 100 parts by weight of a saponification product of a polyvinyl acetate resin, 1 to 30 parts by weight of an aliphatic alcohol having 3 to 8 carbon atoms and 50 to 1,000 parts by weight of water.

Abstract: A MIDI apparatus and a MIDI system wherein an operation ON signal for starting operation to a MIDI instrument and an operation OFF signal for stopping the operation are obtained and supplied to the MIDI instrument in response to a MIDI format signal included in a subcode signal generated during play of a record medium play apparatus. If the play state of the record medium play apparatus becomes discontinuous, such as a pause after the operation ON signal is supplied to the MIDI instrument and before the operation OFF signal corresponding to the operation ON signal is obtained, the operation OFF signal is forcedly supplied to the MIDI instrument. Thereby such the sound of the MIDI instrument is stopped when there is a discontinuous play state after the operation ON signal is supplied to the MIDI instrument and before the operation OFF signal corresponding to the operation ON signal would ordinarily be supplied.

Abstract: An audio signal data processing system includes first and second processing devices for processing audio signal data, the first and second processing device having input and output ports of at least two channels, and a control device for controlling the operation of the first and second processing device. The input audio signal data is supplied to the input port of one channel of each of the first and second processing devices, and output data from the output port of said one channel of said first processing device is supplied to the input port of the other channel of the second processing device, and output audio signl data are obtained at each output port of both channels of the second processing device. With this arrangement, one of the cascade processing and the parallel processing can be selectively performed without using a change-over switch provided outside the system.

Abstract: An audio signal data processing system comprises an input device sequentially supplying incoming audio signal data, a data memory control device writing and reading-out the audio signal data into and from a data memory, a delay memory control device sequentially reading-out the audio signal data from the data memory and storing the data into a delay memory and sequentially reading-out the audio signal data from the delay memory and writing the data into the data memory, an arithmetic device multiplying predetermined coefficient data by the audio signal data having been read-out by the delay memory control device and written into the data memory and summing up results of the multiplication.

Abstract: A coating composition for forming a substantially non-porous moisture-permeable coating layer or film of a hydrophilic polyurethane resin, which comprises a polyol combination and a poloyisocyanate compound, or a prepolymer or polyurethane resin obtained by reacting them, said polyol combination comprising:(a) from about 50 to about 98% by weight of a polyoxyethylene polyol having an oxyethylene group content of from about 50 to about 90% by weight, a hydroxyl value of from about 15 to about 60 and at least 3 hydroxyl groups; and(b) from about 2 to about 50% by weight of a diol having a molecular weight of from about 62 to about 2,000 which may contain oxyethylene groups;provided that the molar equivalent ratio of the component (b) to the component (a) is from about 0.2 to about 5, and the total oxyethylene group content in the components (a) and (b) is at least about 70% by weight.

Abstract: A money receiving and disbursing machine includes a switch for initiating a dispensing operation in which bills sorted in money cases and a money receiving and disbursing box, a first pick-out device for taking out the bills in the money cases where a quantity of the bills in the money cases is more than a predetermined value after the switch is turned on, a first discriminating device for discriminating the bills from the money cases, a second pick-out device for taking out the bills in the box where the quantity of the bills in the money cases is not more than the predetermined value after the switch is turned on, a second discriminating device discriminating the bills from the box, a conveying device for conveying normal bills to a transaction window, for rejecting abnormal bills in accordance with a result of the first discriminating device, and for conveying normal bills to the money cases of corresponding denominations and for rejecting abnormal bills in accordance with a result in the second discrimina

Abstract: Prepolymer composition which comprises 10 to 95% by weight of a first isocyanate-group-containing prepolymer (A) obtained by reacting an excess equivalent of an aromatic diisocyanate (c) containing an isocyanate group directly bonded to the aromatic nucleus with an oxyethylene-group-containing polyoxyalkylene polyol (a) of a relatively high molecular weight; 90 to 5% by weight of a second isocyanate-group-containing prepolymer (B) obtained by reacting an excess equivalent of an organic diisocyanate (d) not containing an isocyanate group directly bonded to the aromatic nucleus with an oxyethylene-group-containing polyoxyalkylene polyol (b) of a relatively high molecular weight; and, as the case may be, an unreacted substance of diisocyanate which has been used in the production of the respective prepolymers (A) and (B), the prepolymer composition containing the isocyanate group in a range of from 3 to 15% by weight, wherein the polyoxyalkylene polyol (a) and the polyoxyalkylene polyol (b) are either same or di

Abstract: Wire of an oval type cross sectional shape having a surface formed of a semicircle and semiellipse tangent to each other has been used for coiled springs. Stress distribution in wire of such a shape can be improved by increasing the dimension of the spring wire in a direction perpendicular to the axis of the spring. One such cross sectional shape is formed by semicircle and semiellipse portions connected by straight lines.

Abstract: A coating composition for forming a substantially non-porous moisture-permeable coating layer or film of a hydrophilic polyurethane resin, which comprises a polyol combination and a polyisocyanate compound, or a prepolymer or polyurethane resin obtained by reacting them, said polyol combination comprising:(a) from about 50 to about 98% by weight of a polyoxyethylene polyol having an oxyethylene group content of from about 50 to about 90% by weight, a hydroxyl valve of from about 15 to about 60 and at least 3 hydroxyl groups; and(b) from about 2 to about 50% by weight of a diol having a molecular weight of from about 62 to about 2,000 which may contain oxyethylene groups;provided that the molar equivalent ratio of the component (b) to the component (a) is from about 0.2 to about 5, and the total oxyethylene group content in the components (a) and (b) is at least about 70% by weight.

Abstract: A recording medium driving device is disclosed. The recording medium driving device is equipped with a tray on which an information recording medium is mounted, a rack interlocking with the tray, and a tray moving means inclusive of gears each engaging with the rack. This driving device effects the recording and/or the reproduction by loading the information recording medium on a medium driving means. The driving device further has a locking member for locking the rack to the tray and for intergrally moving both of them to a loading position of the information recording medium for the medium driving means; and a guide groove for guiding the lock member to a position at which the locking state is released after reaching the loading position. With this construction, it is feasible to reduce an optical disk driving device in thickness and to prevent it from suffering damages caused by malfunctions.

Abstract: A magnetic recording medium comprising a non-magnetic support, a magnetic recording layer formed on one side of the support, and a back coat layer formed on the other side. The back coat layer is formed of a composition which comprises a dispersion, in a resin binder, of carbon black having a pH of 2.0 to 8.5 and a coloring power not less than 90 as determined by the ASTM method. The dispersion may further comprise a specific type of aliphatic acid-modified, fluorinated organosilicone in order to improve the travellability and durability of the medium.

Abstract: A recording medium driving device is disclosed. A recording medium driving device equipped with a tray on which an information recording medium is mounted has a rack fitted to the tray, a gear train having gears engaging with the rack; a motor for driving the gear train; a slide member provided with the gear train and the motor; a switch capable of changing over a circuit by the slide member partially impinging thereon; a supporting plate for slidably supporting the slide member; and a means for biasing the slide member in the direction in which to lead out the tray. With this constitution, it is feasible to reduce an optical disk driving device in thickness and to prevent it from suffering damages caused by malfunctions.

Abstract: A disc driving device for recording and or reproducing information by rotating an information recording medium in the form of a disc. The device comprises a turntable for rotating the medium, a support member for supporting the turntable, a tray for placing the medium thereon, a chassis provided with a groove and supporting the tray, tray driving means provided with a gear train, a slide plate provided with a cam groove and supporting the support member, drive means for reciprocating the slide plate, and a clamper rotatably provided opposedly of the turntable.

Abstract: A magnetic recording medium which comprises a non-magnetic substrate, a magnetic recording layer formed on one side of said substrate, and a back coat layer formed on the other side of the substrate. The back coat layer is made of a composition which comprises particles of carbon black, titanium monoxide or a mixture thereof having an average size not larger than 1 micrometer and a resin binder dispersing the particles therein. The particles are individually precoated with an isocyanate compound. When coated titanium monoxide particles are used singly, non-coated carbon black is effectively used in combination.