baber/WOPTO huggingface dataset:
Patent JP-H0518254-A (JP)
Title: Intake device of diesel engine
Inventor: TERASAWA YASUYUKI
IPC: F02D43/00
Filed: 1991-07-11
Abstract: PURPOSE:To reduce emission of exhaust gas white at an engine output is in creased by locating an on-off valve in an intake air passage for the one of first and second intake air collecting parts communicated to the first and second suction ports of each cylinder and controlling operation of the on-off valve according to a load. CONSTITUTION:A suction device A of a diesel engine E is provided at each cylinder with first and second suction ports 2 and 3 to generate respective swirls. In this case, the first and second suction ports 2 and 3 are provided with first and second intake air collecting parts 26 and 28, respectively, to individually distribute intake air for feed. An EGR mechanism comprising an EGR passage 34 to introduce EGR gas and an EGR control valve 35 is disposed to the one intake air collecting part, for example, the second intake air collecting part 28, and an on-off valve 25 to open and close an intake air feed route 24 to the intake air collecting part 28 is disposed. The on-off valve 25 is controlled by means of a control unit 36 so that it may be fully closed in a low load region, opened in an intermediate region, and fully opened in a high load region.
Patent JP-H0834850-A (JP)
Title: Production of polyamide
Inventor: NAGASHIMA TERUHISA
IPC: C08G69/00
Filed: 1994-07-22
Abstract: PURPOSE:To obtain a polyamide without using an expensive diamine, without requiring a great deal of a strong acid, and without requiring complicated operations after the reaction by thermally reacting a glycol having a hydroxyl group at the benzyl position with a dinitrile compd. CONSTITUTION:A glycol having a hydroxyl group at the benzyl position is thermally reacted with a dinitrile compd. to provide the polyamide. An arom. dinitrile compd. is pref. for obtaining a polyamide excellent in thermal properties and chemical stability. The reaction can be conducted in the presence of a catalyst. An acid or an acid producing complex salt can be used as the catalyst without any problem. Though the reaction can be conducted in the absence of a solvent, a diluent can be used for controlling the reaction rate or for modifying the viscosity.
Patent JP-S6065238-A (JP)
Title: Partial-cylinder operation control type internal- combustion engine
Inventor: UENO MAKOTO
IPC: F02B37/02
Filed: 1983-09-19
Abstract: PURPOSE:To give driving force to a supercharger in an efficient manner and thereby secure high output in an engine, by installing an exhaust passage of a cylinder number control engine separately at every cylinder group with one another, while attaching the supercharger to each exhaust manifold. CONSTITUTION:Each of exhaust manifolds 14 and 15 are installed in a separate manner in correspondent to a first cylinder group A and a second cylinder group B of a cylinder number control engine 10. And, superchargers 19a and 19b are attached to each of these manifolds. With this constitution, any interference with pulsation in both these cylinder groups A and B is brought to nothing, making full use of exhaust dynamic pressure so effectively, thus high output in an engine is securable.
Patent JP-H0462537-A (JP)
Title: Image forming device
Inventor: WATANABE JUNJI
IPC: G03G15/04
Filed: 1990-06-30
Abstract: PURPOSE:To prevent an original from deviation by providing a viewing window on an original cover, and to prevent an operational mistake by displaying an image forming state through the viewing window. CONSTITUTION:In the case of looking through the viewing window 15a after placing the original 14 on an original platen 12 and closing the original cover 15, the state of the original 14 can be viewed. When a copying key 3 is depressed after confirming that the original 14 is placed on a desired position, the original 14 is covered with a platen sheet 17 and held by the sheet 17 in a press-contact state. simultaneously, the characters in copying are displayed in the frame of the viewing window by a displaying means 19a. When the arrival of the sheet at the covering position is detected, a signal is inputted to a controller so as to start copying. After the end of copying, the sheet 17 is moved, and the viewing window 15a is released, and simultaneously the characters in copying by the displaying means 19a is unable to be viewed, and then the device is stopped.
Patent JP-S5794100-A (JP)
Title: Hydraulic fluid
Inventor: MAEDA MICHIZOU
IPC: C10M129/93
Filed: 1980-12-03
Abstract: PURPOSE: To provide non-combustible hydraulic fluid which has a high water content and is excellent in lubricating properties, adaptability to the materials for hydraulic equipments safety and sanitation stability, waste water disposability, etc., containing α, ω-polybutadiene carboxylic acid.  
     CONSTITUTION: 1W60wt% α, ω-polybutadiene carboxylic acid having an average MW of 500W4,000 and, if necessary, a surfactant, a rust inhibitor, an antiseptic agent, a pH adjustor, a thickener, etc. are blended with water, mineral oil or a synthetic oil. Said polybutadienecarboxylic acid is obtd. by introducing carboxl groups into the end of a liquid atactic 1,2-polybutadiene chain obtd. by the polymn. of butadiene. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H05323018-A (JP)
Title: Digital type sound velocity/distance measuring instrument
Inventor: YONEZAWA TAKESHI
IPC: G01S11/14
Filed: 1992-05-20
Abstract: PURPOSE:To obtain sound velocity by measuring time when the sound takes for propagation in a certain amount of distance, and to obtain the distance by measuring time it takes for propagation in an arbitrary amount of distance with the combination of a digital timer and a speech switch. CONSTITUTION:The title item consists of a digital timer and a speech switch. A digital type sound velocity/distance measuring instrument A is placed closely to a sound source. A digital type sound velocity/distance measuring instrument B is placed away from the sound source by a certain amount of distance. Sensitivity is adjusted in both measuring instruments so that they are not actuated due to noise. Sound is generated from the sound source, the speech switches of the measuring instruments A and B detect sound, and the time taking for sound to be propagated for a certain amount of distance between the measuring instruments A and B is measured by the timer. Then a certain amount of distance is divided by time to calculate sound velocity. The measuring instrument B is installed at an arbitrary point, sound is generated from the sound source again, and then the difference between the time when the measuring instrument A has detected the sound and that when the measuring instrument B has detected it, namely, a required time taking for sound to be propagated between the measuring instruments A and B is obtained. An arbitrary distance can be calculated by multiplying sound velocity by the required time.
Patent JP-H09141503-A (JP)
Title: Cutting tool holder and cutting method using this cutting tool holder
Inventor: MORI TAKAAKI
IPC: B23B27/22
Filed: 1996-07-01
Abstract: PROBLEM TO BE SOLVED: To effectively prevent chips from curling around a cutting tool holder. SOLUTION: A protruding part 15 protruded from a shank part 10 of a cutting tool holder is formed on the upper side of a part, adjacent to a cutting edge tip 13, of the shank part 10 so that chips generated by the cutting action of the cutting edge tip 13 rebound colliding with a vertical face 15b of the protruding part 15. Another protruding part 16 protruded from the face of the shank part 10 is formed on the lower side of a part, adjacent to the cutting edge tip 13, of the shank part 10, and an inclined face 16b inclined in the direction of approaching the cutting edge tip 13 is formed at the protruding part 16, toward the cutting edge tip 13 so that chips slip down along this inclined face 16b.
Patent JP-H0337969-A (JP)
Title: Battery
Inventor: MURATA KAZUO
IPC: H01M10/05
Filed: 1989-07-03
Abstract: PURPOSE:To obtain a thin, flexible, film-state battery by forming a thin metal film in the pores and on the surface of a porous insulating sheet to produce a conductive current collector. CONSTITUTION:A composite material which actions as a current collector and a casing material is used. The composite material is obtained by vapor- depositing metal on both sides of a porous plastic sheet and it has conductivity in the both directions without loosing plastic property. By using a 1mum thick plastic, a 5-10mum thick composite material can be obtained. Since the composite material obtained is thin and flexible and has no pinholes, a 0.1mm thick film- state battery can be manufactured. A thin, flexible, film-state battery can be obtained.
Patent JP-S6152400-A (JP)
Title: Silver plating method
Inventor: OGATA TAKASHI
IPC: C25D3/46
Filed: 1984-08-20
Abstract: PURPOSE:To extend considerably the life of a plating bath by removing the alkaline metal existing in an aq. soln. contg. silver cyanide alkali for silver plating by using a cation exchange resin or resin of chelate type. CONSTITUTION:The alkaline metal such as K existing in the aq. soln. contg. silver cyanide alkali such as KAg(CN)2 for silver plating is selectively removed by using one of the strongly acidic and weakly acidic cation exchange resins or chelate type resin by which the accumulation of the alkaline metal salt in the plating bath is prevented, the increase of pH is prevented and the maintenance of the prescribed plating conditions is made possible. The cation exchange resins of which the functional groups obtd. by preliminary treatment with an R-H type by an acid sulfonic acid type-SO3H, carboxylic acid type-COOH or the chelate resins of which the chelate forming groups are iminodiacetic acid type-N COOH)2, phosphomethyl amine type-NHCH2PO2(OH)2, etc. are used for the above-mentioned resin.
Patent JP-H1116136-A (JP)
Title: Head mechanism controller, disk driver and head unload control method
Inventor: YONEDA ISAO
IPC: G11B5/40
Filed: 1997-06-27
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of an accidental unloading. SOLUTION: The head slider having a converter head is mounted on a head arm. If the arm is rotated, the slider is unloaded from a disk. The retracting position is located at the boundary section within the rotating range of the arm. If the slider is normally unloaded to the retracting position, the arm does not move even though a driving force is applied to the head arm in an unloading direction. Then, an unloading is executed in a step S2, a position confirmation driving force is applied to the arm in the unloading direction, the moving speed of the slider is detected in a step S4 and discrimination is made in a step 5 to determine whether the slider is unloaded to the retracting position or not based on the movement speed. If the slider is not unloaded at the retracting position, a re-unloading is executed in a step S7 to move the slider back to the retracting position.
Patent JP-H04368787-A (JP)
Title: Two-piece connector using flexible wiring board
Inventor: TANAKA MITSUO
IPC: H05K1/14
Filed: 1991-06-17
Abstract: PURPOSE:To eliminate work of the reaction force of the contact pressure of flexible wiring boards to the outer wall of a housing when both connectors are connected, and make the contact pressure at a contact part nearly equal. CONSTITUTION:A receptacle connector consists of a receptacle housing 11, a plate spring member 40 and a flexible wiring board. A plug connector consists of a plug housing 51 having plug projections 53, 61 for pushing into a nearly U-shape space of the plate spring member 40 when it is fitted in the receptacle housing 11, and a flexible wiring board covering the plug projection 61 and is fitted to the plug housing 51. Pushing projection parts 41a, 42a extended in the longitudinal direction and projecting to the inside of the nearly U-shape space are provided in both side walls 41, 42 of the plate spring member 40, and in the plug projection 61, elastic members 85 are arranged at parts for facing to the pushing projections when the plug projection 61 is pushed into the nearly U-shape space.
Patent JP-2000011785-A (JP)
Title: Grommet
Inventor: SUZUKI KATSUYA
IPC: H02G3/22
Filed: 1998-06-18
Abstract: PROBLEM TO BE SOLVED: To provide a grommet capable of being easily attached to a through hole in a panel and capable of maintaining strong holding force relative to the through hole. SOLUTION: When a grommet 10 is mounted in a through hole 2 in a vehicle body panel 1, a slit 18 is expanded, an engaging flange part 15 to pass through the through hole 2 is easily deformed and can be displaced radially inwardly, and therefore it can be easily attached in the through hole 2. When it is detached from the through hole 2, inner walls of the slit 18 make close contact with each other, the engaging flange part 15 to pass through the through hole 2 can not be easily deformed, and therefore holding force relative to the through hole 2 can be maintained substantially on the same level as an existing grommet not provided with the slit 18.
Patent JP-S6415664-A (JP)
Title: Rotational speed detector
Inventor: SANO KATSUHIKO
IPC: B60T8/00
Filed: 1987-07-08
Abstract: PURPOSE:To detect a rotational speed even at the time of a low speed, by utilizing the intensity change of the electric field generated between a rotor and a detection head in the detection of the rotational speed. CONSTITUTION:Tooth parts 2 and tooth spaces 3 are alternately formed to the outer peripheral surface of a conductive gear rotor 1 making one revolution along with an article to be measured and a detection head 4 is arranged in the vicinity to said outer peripheral surface. This detection head 4 has a main body part 5 and an electric field intensity sensor 6, and the intensity change of an electric field due to the rotation of the rotor 1 is detected by the electric field sensor 6. The detection signal of said sensor 6 is pulsated to be counted at every unit time and the rotational speed of the article to be measured is calculated.
Patent JP-S6416201-A (JP)
Title: Freeze-proofing cover for pantagraph main-spring
Inventor: KITAMURA TSUGIO
IPC: B60L5/24
Filed: 1987-07-09
Abstract: PURPOSE:To prevent spring main-units from freezing, by covering the spring main-units, with baglike covers having flexibility which are deformed according to the expansion or contraction of springs. CONSTITUTION:A freeze-proofing cover 10 is formed of a baglike unit composed of a shell section 11 and side sections 12, 13 made of flexible compound sealing materials for vinyl chloride resin sheets laminated on both the surfaces of a vinylon cloth sheet. The shell section 11 of this freeze-proofing cover 10 has a width for enabling the outer peripheral section of a spring main-unit 4a to be covered, and has a length for enabling the outer peripheral section of the main-unit 4a to be covered even in a state of the maximized elongation of a spring 4. Besides, in order to fit the cover on of remove it from the spring main-unit 4a easily, fasteners 14 are fitted on both the side edges of the cover. As a result, the freeze-proofing cover of the pantagraph main-spring which is of light weight and easily handled can be obtained.
Patent JP-S6417252-A (JP)
Title: Vtr with blank skip function
Inventor: INOUE KATSUHIKO
IPC: G11B15/087
Filed: 1987-07-09
Abstract: PURPOSE:To dexterously reproduce only a record part by setting the titled VTR to a quick winding and reproducing state, only in a period in which it is decided that a video signal is not reproduced as a result of detection of a video judging circuit for detecting whether the video signal exists in a reproducing signal or not. CONSTITUTION:The titled VTR is provided with a video judging circuit 4 for detecting whether a video signal exists in a reproducing signal or not, and a control circuit 7 which can set the VTR to a quick winding and reproducing state, in a reproduction instruction period, and also, when the video judging circuit 4 has detected that the video signal does not exist. In such a way, even in case of reproducing a magnetic tape having a blank in plural parts of the recording contents, a blank skip is executed automatically and continuously by a single operation of 'blank skip reproduction', and only the recorded part can be reproduced dexterously.
Patent JP-H0814367-A (JP)
Title: Respiratory plug device
Inventor: OBAYASHI NOBORU
IPC: F16H57/027
Filed: 1994-06-30
Abstract: PURPOSE:To provide a respiratory plug which is lightweight and inexpensive, has good dimensional accuracy for its respiratory passage, and does not cause noise. CONSTITUTION:This respiratory plug device has a main body pipe portion 11 and a cap portion 21 both made from a synthetic resin. A circumferential part of the upper end of the main body pipe portion 11 is formed into a small diameter portion 11a. With the cap portion 21 fitted over the upper end of the main body pipe portion 21, a vertically extending respiratory passage 31 is formed between the portions 11, 21 and in a position corresponding to the small diameter portion 11a. An inside communicating hole 13 in the form of a notch leading to the upper end of the respiratory passage 31 is formed in the main body pipe portion 21, and an outside communicating hole 26 in the form of a notch leading to the lower end of the respiratory passage 31 is formed in the cap portion 21. An outside flange portion 12 can be formed around the main body pipe portion 21 in such a way as to be located beneath the outside communicating hole 26.
Patent JP-S5797916-A (JP)
Title: Controlled magnetic bearing
Inventor: OKAZAKI YUKIYOSHI
IPC: F16C32/04
Filed: 1980-12-08
Abstract: PURPOSE: To make power amplifiers compact, heighten the stiffness of a magnetic bearing for a high-speed rotary machine and stabilize the control of the bearing, by composing the control circuit of the magnetic bearing of a rotary shaft rotational frequency detection circuit and whirl component elimination circuits which operate on the basis of the detection signal of the detection circuit.  
     CONSTITUTION: The radial displacement of a rotary shaft 32 is detected by position detectors 40, 41, the output signals of which are compared with the position set signals of position setting circuits 45, 46 by comparator circuits 47, 48. The output signals of the comparator circuits 47, 48 are processed through compensation circuits 49, 50 and the band-pass filters 57, 58 and subtraction circuits 59, 60 of whirl component elimination circuits. Cutoff frequncy set signals produced by processing the output signal of the position detector 41 through a rotational frequency detection circuit 42 and converters 55, 56 are applied to the band-pass filters 57, 58 so that the filters send out only whirl components synchronized with the rotational frequency. The subtracters 59, 60 remove the whirl components. The outputs of the subtracters are applied to amplifiers 53, 54. According to this constitution, the amplifiers 53, 54 can be made compact. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H1023534-A (JP)
Title: Mobile telephone
Inventor: ISHIKAWA SADAO
IPC: H04W4/16
Filed: 1996-07-02
Abstract: PROBLEM TO BE SOLVED: To provide a mobile telephone which improves the efficiency of radio channels and reduces the load on an exchange by reducing ineffective channel occupation. SOLUTION: When a control part 30 decides that information inputted through an operation part 20 is the access code for an additional service, the setting state in an additional service file 41 is referred to according to the inputted information and it is judged whether or not origination to a system is needed. only when it is judged that the origination is necessary, the inputted information is sent out to the system through a radio part 10. Further, when the additional service is set or changed, the control part 30 decides the contents of an answer signal from the system and updates the contents of the additional service.
Patent JP-H0921822-A (JP)
Title: Rolling bearing unit with rotating speed sensing device
Inventor: OUCHI HIDEO
IPC: F16C41/00
Filed: 1995-07-07
Abstract: PROBLEM TO BE SOLVED: To make a bearing unit into a small size by reducing the likelihood of interference of a harness to take out signals from a sensor with a constant velocity joint. SOLUTION: A sensor 21a is embedded in a synthetic resin part 39, which is held by a holding part 40 of a cover 16a secured to an outer ring 4. A harness 27 to take out signals from the sensor 21a is led out in the circumferential direction of the cover 16a. A harness takeout part 42 is furnished in a non- retaining part 43 which has a smaller dimension in the axial direction than the retaining part 40.
Patent JP-H04348074-A (JP)
Title: Solid-state image sensing device and its manufacture
Inventor: YAMAGUCHI TETSUYA
IPC: H01L27/14
Filed: 1991-07-12
Abstract: PURPOSE:To provide a solid-state image sensing device and its manufacturing method which can prevent the firm bond of a sheet to a light-shielding film due to the chemical reaction of the light-shielding film with an adhesive and which can surely prevent the light-shielding film from being stripped from a transparent electrode when the sheet is stripped after a dicing operation. CONSTITUTION:The title image-sensing device comprises the following; a solid- state image sensing element chip in which a signal-charge storage diode and a signal-charge readout part are formed on a semiconductor substrate and in which a picture-element electrode 29 connected electrically to the signal- charge storage diode is formed at the uppermost part; a photoconductive film 31 formed on the solid-state image sensing element chip; and a transparent electrode 32 formed on the photoconductive film 31. The solid-state image sensing device in which a light-shielding film 33 formed in one part on the transparent electrode 32 is provided is featured in such a way that an oxide layer 34 whose material is the same as that for the light-shielding film 33 is formed on the surface of the light-shielding film 33.
Patent JP-S5874818-A (JP)
Title: Exhaust gas purifying device of diesel engine
Inventor: MATSUOKA TAKESHI
IPC: F01N3/025
Filed: 1981-10-28
Abstract: PURPOSE:To prevent wasteful consumption of a fuel by controlling a burner so that the burner generates the heat of necessary minimum quantity under consideration of the exhaust gas temperature and the exhaust gas flow quantity despite the operational state of an EGR, upon burning minute particles captured by a filter member. CONSTITUTION:When the loading of the filter member 9 arresting minute particles such as carbon particles and the like within exhaust gas proceeds, the electric resistance between a pair of electrodes 10 and 11 gradually decreases and the voltage difference exceeds the reference value. At that time, a signal S1 is generated from a loading detection circuit 28. Then, a current is supplied to an ignition heater 14d by this signal S1 through a control circuit 29, and adjusting valves 26a and 26b are opened and an air pipeline 16 and a fuel pipeline 18 to fire a burner 14 through diaphragm devices 22 and 23. Upon this occasion, in accordance with the output of a throttle valve opening degree senser 8, an engine rotational speed sensor 30 and an exhaust air temperature senser 31, the opening degree of each of valves 26a and 26b is controlled, and the burner fuel quantity is maintained at an optimum quantity.
Patent JP-H0920007-A (JP)
Title: Ink jet head
Inventor: KAMISUKE SHINICHI
IPC: B41J2/14
Filed: 1995-07-07
Abstract: PROBLEM TO BE SOLVED: To provide an ink jet head excelling in print quality due to high dimensional accuracy of the head thereof. SOLUTION: A diaphragm 6 forming at least one of the walls of a pressure chamber is processed by a thin film forming technology as ceramics or a combination of ceramics and a metal, a metal or semiconductor thin film 9 is formed as a gap spacer in a gap with an electrode 11 to transform the diaphragm 6 electrostatically, and component members 1, 2, 3 are joined by an anode bonding method.