baber/WOPTO huggingface dataset:
Patent JP-2000161132-A (JP)
Title: Cylinder head construction of multiple cylinder engine
Inventor: ITO YASUTOSHI
IPC: F02F1/24
Filed: 1998-12-01
Abstract: PROBLEM TO BE SOLVED: To mold a compact cylinder head having an integral collective exhaust port, while avoiding the complication of a core structure. SOLUTION: A collective exhaust port 18 provided in a cylinder head 12 comprises an exhaust port 46 extending from the exhaust valve port 35 of each cylinder and an exhaust collecting part 47 for collecting the exhaust ports 46. The cylinder head 12 has an overhanging part 49 projecting outwards in the form of an arch beyond the side wall of a cylinder block and the exhaust collecting part 47 of the collective exhaust port 18 directly faces the inner surface of the side wall 121 of the overhanging part 49. Water jackets for cooling the overhanging part 49 are provided not between the side wall 121 of the overhanging part 49 and the exhaust collecting part 47 but on the upper and lower surfaces of the overhanging part 49 formed with the collective exhaust port 18.
Patent JP-2001155291-A (JP)
Title: Information processor, information processing method, recording medium and object detecting device
Inventor: YODA SHIGERU
IPC: G08G1/052
Filed: 1999-11-30
Abstract: PROBLEM TO BE SOLVED: To easily recognize a range in which a distance to an object to be detected and a direction to its position are detected. SOLUTION: A radar scanning possible range for detecting the distance to the object to be detected (an automobile in this case) and the direction to its position is displayed on a display part. Then a user easily recognized the scanning possible range.
Patent JP-H10227403-A (JP)
Title: Boiler tube protector and its fixing method
Inventor: SHIBATA TOSHIO
IPC: F22B37/10
Filed: 1997-12-11
Abstract: PROBLEM TO BE SOLVED: To provide a boiler tube protection having a superior durability and workability for protecting boiler tubes against a soot blower and also provide its fixing method. SOLUTION: A boiler tube protector fixed to a boiler tube T so as to protect it is formed by a combination of a plurality of ceramics 1, 1 of divided cylindrical shape. Divided surfaces 2 at both sides of each of the ceramics 1, 1 are formed with a step 3 for use in restricting a displacement along the divided surface. It is preferable that this step 3 is formed into a shape for restricting a motion of it in a direction perpendicular to it against the divided surfaces 2. In addition, in the case that they are fixed in a multi-stage manner to the boiler tube T extending in a vertical direction, they are temporarily fixed by a stopper 5 arranged at the lower-most stage and mortar is hardened with generated heat produced during an operation of a boiler.
Patent JP-H11173145-A (JP)
Title: Exhaust pipe collecting device
Inventor: KUBO KENZO
IPC: F01N3/28
Filed: 1997-12-11
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust pipe collecting device which enhances uniformity in temperature of a catalyst and by which the measurement of oxygen concentration by an O2 sensor can be performed with high accuracy. SOLUTION: An exhaust pipes collecting device 10 is provided with an exhaust gas introducing chamber 12 installed in the upstream of a catalyst and plural exhaust pipes 13 which are connected to the chamber 12 and are opened at several places with fixed intervals along the circumferential direction of a cylindrical body 20 of the chamber 12 on the inside wall 20a of the cylindrical body 20. Each exhaust pipe 13 is installed to direct the center axis B of each exhaust pipe 13 to deflect to one turning direction toward the center A of the cylindrical body 20, so that a fixed direction of exhaust gas turning flow F can be caused inside the chamber 12. Also, a sensing unit of an O2 sensor is arranged in the central region C of the turning flow F.
Patent JP-H08266040-A (JP)
Title: Magnetic amplifier
Inventor: SOU GIKOU
IPC: G05F1/32
Filed: 1995-12-27
Abstract: PROBLEM TO BE SOLVED: To downsize and improve spatial efficiency and reduce the manufacturing cost by constituting an overcurrent control loop, for limiting the overload control current applied to the inside primary coil of a magnetic amplifier out of a simple circuit without using a coil. SOLUTION: In the circuit constitution of a magnetic amplifier, consisting of a power amplifier 100, an output voltage adjuster 110, an overvoltage detector 120, and an overcurrent attenuator 130, a reverse current flows to a diode D1 when an overvoltage control current is large, and an overcurrent is generated in the primary coil L4 of a magnetic amplifier. An overcurrent attenuator 130 has a function of attenuating this overcurrent, and when negative voltage appears in the secondary winding L2 of a transformer T1, it turns off a field effect transistor FET so as to form an overcurrent control loop, consisting of an FET→ the primary coil L4→ a resistor R8→ a capacitor C3→ and an FET. Hereby, the overload control current flowing to the primary coil L4 is limited.
Patent JP-H10189135-A (JP)
Title: Automatic fitting and separating mechanisim of structures with to/from each other
Inventor: YOSHIDA HARUKI
IPC: H01R13/629
Filed: 1996-12-20
Abstract: PROBLEM TO BE SOLVED: To make fitting and separation of structures to/from each other with a minor force. SOLUTION: An automatic fitting/separating mechanism is composed of a pair of structures 1 and 2 to be fitted to each other and a sliding member 3 fitted on one of the structures 1 movably, wherein the sliding member is equipped with a driving slope for fitting 11 and a driving slope for separation 121, while the other structure 2 is equipped with an operational arm 4 having a receiving slope for fitting 31 and a receiving slope for separation 32, and an insert hole 43 to admit insertion of the operation arm is provided in the first named structure, and the fitting of the two structures to each other is accomplished by sliding between the driving slope 11 for fitting a moving sliding member and the receiving slope 31 for fitting the operational arm protruded from the insert hole of the structure 1.  The separation of the two structures is made by sliding between the driving slope 12 for releasing the moving sliding member and the receiving slope 32 for releasing the operational arm protruded from the insert hole.
Patent JP-H05174338-A (JP)
Title: Mechanism for detecting abnormality of head in magnetic disk device
Inventor: SAKAI SHUICHI
IPC: G11B5/455
Filed: 1991-12-25
Abstract: PURPOSE:To improve the reliability of a disk device by detecting abnormality of a head in advance, preventing a head crush, thereby preventing the damage of the head and the destruction of data. CONSTITUTION:This mechanism is provided with the head 3 by which data stored in a magnetic disk 1 is read out, an amplifying means 5 by which the data waveform read out by the head 3 is amplified, an arithmetic means 13 by which the amplification factor is calculated by the data waveform amplified by the amplifying means 5 and the data waveform read out by the head, a memory 17 by which the amplification factor by the amplifying means at the time of normal operation of the head 3 is stored, and a comparing and discriminating means 13 by which the abnormality of the head is discriminated by comparing the amplification factor stored in the memory 17 with the amplification factor calculated by the arithmetic means.
Patent JP-H10189487-A (JP)
Title: Thin film depositing method
Inventor: SAITO MASAKI
IPC: H01L21/285
Filed: 1996-12-20
Abstract: PROBLEM TO BE SOLVED: To provide a method for depositing a thin film for effectively removing surface contaminant without residue of carbonization and easily removing a silicon oxide film formed on an unnecessary part. SOLUTION: The method for depositing a thin film comprises a first heat- treating step of starting supply of oxidative gas at 200 to 400 deg.C of a temperature region to burn to remove surface contaminant organic material while supplying the gas to the surface of a material to be treated, a second heat-treating step of chemically removing an oxide film layer to be considered to be formed by this first treatment while supplying reducible gas, and depositing the thin film. Thus, the surface contaminant can be effectively removed without residue of carbonization, an increase of electric junction resistance between a semiconductor layer and a polysilicon film wiring can be prevented, and a decrease of capacitor of a DRAM capacitor can be prevented.
Patent JP-H05153684-A (JP)
Title: Loudspeaker drive circuit
Inventor: IIDA SEIICHI
IPC: H04R3/00
Filed: 1991-11-29
Abstract: PURPOSE:To improve a low frequency characteristic of a loudspeaker. CONSTITUTION:The circuit is provided with a loudspeaker drive amplifier 2 for driving a dynamic loudspeaker 3, a current detecting resistor Ro for detecting a current flowing in the loudspeaker 3, a feedback amplifier 4 for inputting a terminal voltage generated in this resistor Ro, and an additing amplifier 5 for adding an output of this amplifier 4 and a voice input signal, and constituted so that an output of this amplifier 5 is inputted to the amplifier 2. In such a way, by feeding back a prescribed signal to the amplifier 2, based on the current flowing in the loudspeaker 3, gain in the vicinity of a low frequency can be raised, and this circuit is suitable specially for the loudspeaker in which Q in the vicinity of the lowest frequency is decreased due to efficiency improvement.
Patent JP-2000168726-A (JP)
Title: Vacuum packaging machine
Inventor: INOUE YOSHITERU
IPC: B65B31/04
Filed: 1998-12-01
Abstract: PROBLEM TO BE SOLVED: To prevent a chamber lid from opening during a sealing process which might result in defective sealing in an intermittently rotating type vacuum packaging machine which receives a bag in a vacuum chamber during one rotation and performs vacuum processing, and subsequently pressure-bonding and heat-sealing a bag mouth by a heat sealer placed oppositely to each chamber body and a chamber lid. SOLUTION: A roller 37 is provided on an external face of each chamber lid 15, and a rail 38 which rotates with the roller 37 in contact outside a rotation trace of each chamber 15 is placed oppositely to the roller 37. Reaction of the roller 37 coming into contact with the rail 38 causes the chamber lid 15 to be pressure-welded with a chamber body 13, whereby the chamber lid 15 may not open by force of an air cylinder which works during a sealing process. The rail 38 is installed in a range covering at least the sealing process (heat-sealing process 7 to a cold-sealing process 9).
Patent JP-H10189108-A (JP)
Title: Structure of blanked-out female terminal
Inventor: ONO JUNICHI
IPC: H01R13/11
Filed: 1996-12-20
Abstract: PROBLEM TO BE SOLVED: To provide a structure of a blanked-out female terminal which allows easy performance of blanking. SOLUTION: A structure of a blanked-out female terminal includes a stationary contact part 1a with which one surface 2a of a male terminal 2 contacts when it is inserted and a spring contact part 1b to be pushed open against a spring force so that the other surface of the male terminal 2 comes in contact therewith, wherein the obtained female terminal 1 has a predetermined initial spring clearance (a) between the stationary contact part 1a and spring contact part 1b, and a recess 1e having slopes 1c and 1d in an approx. V-shape is provided in the stationary contact part 1a confronting the spring contact part 1b of the female terminal 1, and therein the slope 1c nearer the operator of the recess 1e and the slope 1d situated backmore in the recess about the inserting direction are arranged so that the area to the spring contact part 1b becomes a predetermined clearance value (b).
Patent JP-H05156556-A (JP)
Title: Nonwoven fabric for flooring material
Inventor: TAKAGAKI MITSUTOSHI
IPC: D04H1/4291
Filed: 1991-11-30
Abstract: PURPOSE:To improve the dryability of a solvent in an adhesive for bonding a flooring material to the basement and to enable complete bonding of the flooring material to a rough floor while keeping the sound-insulation, sound- proofness, water-proofness and moisture resistance to levels comparable to conventional material. CONSTITUTION:The objective nonwoven fabric is produced by laminating a 1st nonwoven fabric layer 1, a hot-melt resin layer 2 composed of a polyolefin resin or an ethylene-vinyl acetate copolymer and a 2nd nonwoven fabric layer 3 by extruding a hot-melt resin through a T-die between the 1st nonwoven fabric layer and the 2nd nonwoven fabric layer.
Patent JP-H10181459-A (JP)
Title: On-board electronic equipment assembly
Inventor: FUKATSU HIROSHIGE
IPC: B60R11/02
Filed: 1996-12-20
Abstract: PROBLEM TO BE SOLVED: To electrically and disconnectably connect a metal chassis with the ground, and to enhance the ground effect. SOLUTION: An on-board electric equipment is composed of a mount frame 12 secured to a metal part of a vehicle body, a carriable unit 13 movably attached to the mount frame 12, and a metal urging means attached to the mount frame 12, for urging the carriable unit 13 forward. Further, the carriable 13 incorporates a carriar casing 15 formed in a hole 103 for receiving a ground contact metal piece, at a position corresponding to the urging means, a metal chassis 95 arranged inward of the carrier casing 15, and shielding electronic parts, and a ground contact metal piece 97 loosely fitted in the hole 103, for electrically connecting the metal chassis 95 with the urging means.
Patent JP-2001154277-A (JP)
Title: Image reader
Inventor: FUJIBAYASHI KAZUO
IPC: G03B27/50
Filed: 1999-12-01
Abstract: PROBLEM TO BE SOLVED: To excellently compensate irregular exposure changed according to zooming in an image reader reading an enlarged or reduced image by slit scanning by a line sensor by using an image-formation optical system having a zoom lens. SOLUTION: The image-formation optical system is provided with a light shielding plate SP2 regulating emitted luminous flux from the zoom lens. The plate SP2 has an aperture extended in the direction of the line sensor 6 and moves in the optical axis direction of the zoom lens so that a distance between the zoom lens and the line sensor 6 may get long according as zooming is performed to a high magnification side, and then the width of the aperture gets large. The plate SP2 moves so that an effective luminous flux diameter may be nearly constant regardless of zooming, and regulates the emitted luminous flux from the zoom lens so that an effective F-number may be nearly constant regardless of zooming.  The zoom lens is equipped with a diaphragm SP1 whose aperture diameter is variable and the aperture diameter of the diaphragm SP1 is made large according as zooming is performed to the high magnification side.
Patent JP-H03203728-A (JP)
Title: Copying machine with plural optical systems
Inventor: KAMEI NAOYUKI
IPC: G03B27/50
Filed: 1989-12-29
Abstract: PURPOSE:To simplify the control system of the copying machine by using the same distance from the front edge of the picture of an original to a transfer means even when a latent image is formed on a transfer belt body with the use of a different optical system. CONSTITUTION:The angular displacement of an exposure plate 40 is carried out in such a manner that the distance in the original copying mode from the position P1 of the front edge of the picture of an original to a pressuring devel opment position is equal to the distance in the slide copying mode from the position P2 of the front edge of the picture of an original to the pressuring development position. Therefore, it is not necessary to change at every copying mode the timing at which an image receiving sheet is carried to the pressuring development position. Thus, the control system, for example, a program for controlling the timing at which an image receiving sheet is carried, is simplified, and the control of copying is facilitated.
Patent JP-2000171866-A (JP)
Title: Film feeding device
Inventor: YANAGI MICHIHISA
IPC: G03B17/00
Filed: 1998-12-02
Abstract: PROBLEM TO BE SOLVED: To properly feed a film by accurately detecting perforations of the film. SOLUTION: In this film feeding device, time derivative is sampled at a part other than a point where a film part is changed to perforations and the maximum value and the minimum value thereof are detected, and the time derivative of a positive comparative photoelectric conversion signal and that of a negative comparative photoelectric conversion signal are calculated (#401).In the case of detecting the time derivative of a photoelectric conversion signal larger than that of the positive comparative photoelectric conversion signal, the detection of the time derivative of the photoelectric conversion signal smaller than the time derivative of the negative comparative photoelectric conversion signal is awaited, and in the case of detecting the time derivative of a photoelectric conversion signal smaller than that of the negative comparative photoelectric conversion signal,  the detection of the time derivative of a photoelectric conversion signal larger than the time derivative of the positive comparative photoelectric conversion signal is awaited, then at least either of them is counted as the perforations (#405, #407 and #408).
Patent JP-H07157514-A (JP)
Title: Modification of fluororesin or its molded article and intermediate material for composite molded article
Inventor: OIKAWA KATSUHIKO
IPC: C08F8/00
Filed: 1993-12-03
Abstract: PURPOSE:To provide a method for modifying the surface of a fluororesin or its molded article to a state especially having excellent high-temperature adhesivity, and to obtain a modified resin and an intermediate material for a composite molded article composed of the molded article of the modified resin and a precursor of a thermosetting resin. CONSTITUTION:A fluororesin or its molded article is modified by treating the resin, etc., with a liquid containing an alkali metal and then with a silane coupling agent having an aliphatic substituent containing at least amino group or epoxy group and an alkoxy group. The intermediate material for a composite molded article is composed of the modified fluororesin or its molded article and a thermosetting resin precursor. A composite molded article having excellent high-temperature adhesivity and durability can be produced by this process to enable a new development of the application to e.g. a printed circuit board required to have high heat-resistance.
Patent JP-H10169566-A (JP)
Title: Pump with wide delivery speed range and capable of delivery at constant pressure
Inventor: NODA YOJI
IPC: H02K7/06
Filed: 1996-12-05
Abstract: PROBLEM TO BE SOLVED: To supply various types of liquid in a wide delivery speed range, and provide a function capable of supplying with delivery pressure kept at a predetermined arbitrary constant pressure. SOLUTION: An inlet nozzle 17, an outlet nozzle 18, and a pressure sensor 16 for sensing liquid pressure in a cylinder 1 are disposed at the upper part of the cylinder 1. A feed screw 7 for moving a piston 2 vertically and a nut 5 for feed screw are disposed at the lower part of the piston. A worm wheel 10 is fixed at the lower part of the feed screw 7. A worm 11 is disposed on the circumference of the worm wheel 10, and the worm 11 is rotated by a rotating shaft.. A driving gear 14 is fitted at the output shaft of a drive stepping motor serving as a driving source, and its rotation is transmitted to the rotating shaft through a subsidiary gear 13. The vertical movement of the piston 2 is controlled by a dedicated controller.
Patent JP-H11178052-A (JP)
Title: Mobile communication system
Inventor: TAKEMURA NARIHIRA
IPC: H04W48/04
Filed: 1997-12-12
Abstract: PROBLEM TO BE SOLVED: To control a mobile station in more local scale by arranging a second service zone in a first service zone and providing a second base station to perform a second control, that is independent of a first base station control, for mobile stations which exist in the second service zone. SOLUTION: A local zone C is provided within a first service zone. The zone C is covered with an electromagnetic wave shield 16, that is constituted of a grounded metallic plate which attenuates sufficiently or cuts off an electromagnetic wave so that a mobile station 20 is normally in capable of receiving the electromagnetic waves of a base station in the first service zone. Communication between the station 20 and other base stations is disabled in the zone C. This makes it possible to set the zone C, that is independent of a service zone of a general base station and perform local control of the station 20 such as sending and stopping. Also it is possible to reduce the electromagnetic wave intensity of a control signal CS that is sent by a local base station 30, to the extent that the station 20 in the zone C is able to receive it normally.
Patent JP-H11174277-A (JP)
Title: Optical connector
Inventor: NAGAOKA YASUTAKA
IPC: G02B6/38
Filed: 1997-12-12
Abstract: PROBLEM TO BE SOLVED: To provide an optical connector with extendibility in which the assembling is easy and the work efficiency and maintainability are improved. SOLUTION: This optical connector 21 is provided with an optical connector plugs 2, 2 a ferrule holding body 22 and a connector housing 23 and the ferrule holding body 22 freely insertably and detachably housing the optical connector plugs 2, 2 is freely insertably and withdrawably fitted to the connector housing 23. Also, on the ferrule holding body 22, both side walls 32, 32 and a part of a rear wall 26 are continuously notched and plug introduction slits 33, 33 capable of freely insertably and detachably mounting the optical connector plugs 2, 2 are formed. On the connector housing 23, a flexible locking piece 46 capable of controlling the fall-off of the ferrule holding body 22 by being engaged with the ferrule holding body 22 and disengaging with it is provided.
Patent JP-H07165752-A (JP)
Title: Purification of cyclic formal
Inventor: HIRAGORI GENICHI
IPC: C07D319/12
Filed: 1993-12-15
Abstract: PURPOSE:To purify a cyclic formal by efficiently removing water from cyclic formal which is difficult to be separated from water and obtain a highly pure cyclic formal having extremely low water content. CONSTITUTION:The characteristic of this process for the purification of cyclic formal is to supply a mixture 5 containing cyclic formal and water to a distillation column 1 and distil distillation of the mixture while supplying n-hexane 6 to the distillation column.
Patent JP-H03201817-A (JP)
Title: Digital filter and inner product calculating circuit
Inventor: OKI MITSUHARU
IPC: G06F17/10
Filed: 1989-12-28
Abstract: PURPOSE:To efficiently use a multiplier without using wastefully by obtaining a long coefficient word length and a low degree when the delay amounts of both prescribed paths are made same, and obtaining a short coefficient word length and a high degree when the delay amounts of the both paths are made various. CONSTITUTION:At a digital filter, input data are supplied through a terminal 11 to multipliers 13 and 14 and coefficients K1 and K2 are supplied through terminals 15 and 16 to the multipliers 13 and 14 respectively. Either a path 17 from the terminal 11 on the input side through the multiplier 14 to an adder 12 or path 18 from the terminal 11 through the multiplier 13 to the adder 12, concretely, at any one positions to be shown by a broken line 20 or 21, an input data select circuit 1 is arranged. When the delay amounts of the both paths 17 and 18 are made the same by operating the select circuit 1, the long coefficient word length and the low degree are obtained and when the delay amounts of the both paths 17 and 18 are made various, the short coefficient word length and the high degree are obtained. Thus, the digital filter can be realized with the short coefficient word length and the high degree.