baber/WOPTO huggingface dataset:
Patent JP-H1023696-A (JP)
Title: Spindle motor and manufacturing method
Inventor: KINOSHITA SHINJI
IPC: H02K1/28
Filed: 1996-07-01
Abstract: PROBLEM TO BE SOLVED: To provide a spindle motor and a manufacturing method, in which a hub and a motor shaft or a motor frame and the motor shaft are joined with good strength, even when these members have a small area to be joined. SOLUTION: In a spindle motor 1, a motor shaft 8 on one end is inserted in an axial hole 31a of a hub 3 and jointed by sintering. The hub 3 is made in a compression molding step with powder or metallic material of aluminum or stainless steel. On the other hand, the motor shaft 8 is made through cutting or grinding, using the same metallic material as the hub 3. The motor shaft 8 is inserted in the axial hole 31a of the hub 3 and sintered at an appropriate temperature. Then, a jointing part has metallographic uniformity through metallographic diffusion in these steps. The jointing strength is higher than a case of press-fitting, even when the jointing area of the motor shaft 8 and the hub 3 is small. In addition, these manufacturing steps are simple, as compared with a case in which the motor shaft 8 and the hub 3 are molded in a body, using a single member.
Patent JP-H076792-A (JP)
Title: Storage battery measuring device
Inventor: OGATA TSUTOMU
IPC: H01M10/48
Filed: 1993-06-16
Abstract: PURPOSE:To non-polarize a connecting means to improve the workability by providing a control means, which receives the set condition of a current direction setting means and a result of a judgement of a connection polarity judging means to send a switching command to a current polarity switching means. CONSTITUTION:At the time of measurement, a worker sets the charging current or the discharging current to a storage battery 1 by a current generating means 13 previously with a current direction setting means 16. Next, a connecting means 11 is connected to a terminal of the storage battery 1 with the manual work to operate a storage battery measuring device 2. A control means 15 operates a connection polarity judging means 14 to judge the connection polarity, and receives the set condition of the means 16 and a result of the judgement by the means 14 to send a switching command to a current polarity switching means 17 so as to flow the set current to the storage battery 1, and controls the start and stop of a voltage measuring means 12 and the current generating means 13 to measure the terminal voltage of the storage battery 1. The connecting means 11 is thereby non-polarized, and the measuring work can be efficiently performed.
Patent JP-H0336558-A (JP)
Title: Image forming device
Inventor: SASAKI NOBUKAZU
IPC: G03G15/01
Filed: 1989-07-04
Abstract: PURPOSE:To shorten the length of time that developing units are replaced by releasing the pressurization of the developing units for an image carrier at the timing which follows the passage of the trailing edge of a transfer material through a transfer material carrying means. CONSTITUTION:Since the developing units 13 and 14 are driven by the same driving source while the developing units pressurize the image carrier 10, the load of the image carrier on the driving source varies according to the pressurizing of the developing units against the image carrier or its releasing. As it does so, the pressurization of the developing units for the image carrier is released at the time that the trailing edge of a developed picture passes through the pressurized developing units 13 and 14 and also the trailing edge P1 of the transfer material P passes through the transfer material carrying means 18 which is closest to the image carrier in the upstream of the image carrier 10. Consequently, the pressurization of the developing units 13 and 14 for the image carrier is released earliest without applying any force to the transfer material P or causing defective transfer. Thus, when multiple image are formed on the transfer material, the developing units can be changed in a short time, and speedy multiple image formation can be achieved.
Patent JP-H0221218-A (JP)
Title: Image display apparatus
Inventor: KAWAMOTO TETSURO
IPC: G09G1/00
Filed: 1988-07-08
Abstract: PURPOSE:To prevent the generation of the damage of a circuit element due to an unstable state by prohibiting the input of a TV signal to a synchronous separation circuit separating a synchronous signal from the TV signal when the voltage of a power supply is a predetermined value or less. CONSTITUTION:When the voltage VD of a power supply reaches a predetermined value or less, a Zener diode D2 is turned OFF and a transistor Q2 is turned ON. By this mechanism, the TV signal inputted to the base of a transistor Q1 is discharged to the earth to prohibit the input of the TV signal to a synchronous separation circuit 1 and the unstable operation of the circuit element constituting the horizontal output circuit of a horizontal output transistor is avoided to prevent the generation of the damage of the circuit element.
Patent JP-H0224094-A (JP)
Title: Manufacturing device for weather strip
Inventor: HAYASHI KEIZO
IPC: B26D5/00
Filed: 1988-07-08
Abstract: PURPOSE:To form a cut part having an arbitrary shape with the superior design by installing the first shift means for allowing each cutter to approach and separate for a weather strip on the basis of the first drive control signal and the second shift means which varies the crossing angle for the weather strip of each cutter on the basis of the second drive control signal. CONSTITUTION:The transfer quantity of a weather strip is detected by a detecting means 30, and said detection value and a set value are compared in the first control means 40, and the first drive control signal is outputted into the first shift means 70 on the basis of the result. Further, the detection value and the set value are compared by the second control means 50, and the second drive control signal is outputted into the second shift means 100 on the basis of the result. Then, cutters 60 and 61 are allowed to approach and separate for the weather strip 1, on the basis of the first drive control signal by the first shift mean 70. Further, the crossing angle for the weather strip 1 of the cutters 60 and 61 is varied on the basis of the second drive control signal by the second shift means 100, and a cut part having an arbitrary shape is formed.
Patent JP-H0463901-A (JP)
Title: Gas turbine cooling blade
Inventor: OTOMO FUMIO
IPC: F01D5/18
Filed: 1990-06-30
Abstract: PURPOSE:To enhance cooling efficiency by impingement-cooling an upstream part of a blade main body in the refrigerant flow direction, and pin-fin cooling the downstream part thereof. CONSTITUTION:Refrigerant supplied inside a first and second insert blades 5, 6, is led in the span direction of a blade main body 1 and injected in the allow-mark direction through impingement holes 5a, 6a, to impingement-cool an upstream part of a blade main body in the refrigerant flow direction. Refrigerant injected through the impingement hole 6a of the second insert blade 6 together with refrigerant injected through the impingement hole 5a of the first insert blade 5 and passed through a passage hole 2a of a partition plate 2 flows to a pin-fin 9 through a second passage 8 to pin-fin cool a downstream part of a blade main body 1 in the refrigerant flow direction. Efficient cooling is thus performed.
Patent JP-S6413872-A (JP)
Title: Facsimile communication system
Inventor: SEYAMA TOMOAKI
IPC: H04N1/44
Filed: 1987-07-08
Abstract: PURPOSE:To keep secrecy by adding a prescribed code to picture information read from an original, transmitting them, storing once on pass word and the picture information in a receiving side, printing and outputting the picture information only when the correct pass word is inputted from a keyboard. CONSTITUTION:Facsimile equipments (FAX) 1a and 1b are connected by a line 8. In case of a transmission from the FAX 1a, a communication control part 3a reads the original by a reading part 5a and a prescribed pass word is inputted and added from a keyboard 2a to transmit through a line interface 7a to a line 8. The FAX 1b stores once a signal through a line interface 7b and a communication control part 3b to a storage part 4b. Next, the prescribed pass word is inputted from a keyboard 2b and when the pass word coincides with the pass word stored in the storing part 4b, a transmitted original image can be printed out from a recording part 6b. Thus, the contents of communica tion is kept secret.
Patent JP-H0458547-A (JP)
Title: Dicing method for semiconductor wafer
Inventor: MURATA MASAHIRO
IPC: H01L21/301
Filed: 1990-06-27
Abstract: PURPOSE:To remove crushed pieces on the wafer back which are produced at a fully cutting and dicing operation by a method wherein the wafer main face is held by using a prescribed tape and the surface of the wafer back is shaved. CONSTITUTION:The wafer back 1B of a wafer 1 is bonded to a UV tape 3 which has been held by a frame 5; and a fully cutting and dicing operation is executed from the wafer main face 1S. Then, the UV tape is stripped from the wafer back 1B; the wafer main face 1S is bonded to a second UV tape 13 which has been held by a second frame 15; and the wafer 1 is supported. The second UV tape 13 which supports the wafer is turned over faceup; and the surface of dicing lines on the wafer back 1B is shaved thin. Thereby, it is possible to remove crushed pieces by the fully cutting and dicing operation and to reduce a drop in a yield and a trouble in a finished product.
Patent JP-H0818440-A (JP)
Title: Parallelly operated high-speed counter
Inventor: IIDA YOSUKE
IPC: H03K23/00
Filed: 1994-06-30
Abstract: PURPOSE:To provide a parallelly operated high-speed counter for making high- speed counting possible by parallelly operating the two counters of two system for the high-speed counting impossible by one counter. CONSTITUTION:This counter is provided with counter enable input 100, clock input 200, counter enable flip-flops 61-63, a toggle flip-flop 51, even flip-flops 71-73 and a counter increment control circuit 80, an add counter 91 and an even counter 92 for performing an output operation based on a fixed truth table. Odd counter output 400 and even counter output 500 are multiplexed in an MUT (93) and outputted as double-speed counter output 600.
Patent JP-H0337070-A (JP)
Title: Indoor circulating sterilization system using ultraviolet air sterilization duct and its method
Inventor: YASUI HIROSHI
IPC: A61L9/20
Filed: 1989-07-05
Abstract: PURPOSE:To invariably perform effective sterilization and give no harm to occupants by conveying the air sucked from a base section near the floor face of the wall of a closed room toward a ceiling along the wall, sterilizing it with an air sterilizing means having a ultraviolet source, then blowing it into the room from above. CONSTITUTION:A ultraviolet air sterilization duct 20 is fitted at the upper section of one wall W of a room R not directly opened to the outside air, a suction port 21 of the indoor air is installed at the base section near the floor face of the wall, and it is connected to the pipe end 7a of the intake pipe 7 of the sterilization duct 20 by a suction duct 22. When fans 10 and 11 stored in the sterilization duct 20 are operated, the indoor air is sucked into the suction port 21 and passes the sterilization zone 2 of the sterilization duct 20 via the suction duct 22. The sterilization zone 2 has a ultraviolet ozone-less lamp 4, the air containing bacteria is powerfully sterilized while passing there, and it is blown into the room through a blowout port 23 as the sterilized air. The indoor air is repeatedly circulated and sterilized through the sterilization duct 20.
Patent JP-S6156417-A (JP)
Title: Drying method of semiconductor chip or substrate
Inventor: SADAMORI MASAAKI
IPC: H01L21/304
Filed: 1984-08-18
Abstract: PURPOSE:To prevent contamination by drying with the contact of clean air after exhausting gathered liquid drops generated in the drying of chips such as a semiconductor wafer by centrifugal dehydration. CONSTITUTION:A basket 7 containing semiconductor chips 6 is set in a cradle 5 and a cover 8 is closed. A turn table 3 is rotated under the conditions that the solenoid valve 90 of an air nozzle 9 and the damper 100 provided in an exhaust duct 10 are closed. The air in a chamber 2 is closed and no turbulence exists. A liquid drop 13 scattered from the chip 6 coheres on the inner wall of the chamber, is made a liquid state and exhausted from an exhaust pipe 11 and a foggy mixture of the liquid drop and air is restrained. Later, the solenoid valve 90 and the damper 100 are opened, clean air is introduced closing a solenoid valve 110 and exhausting air is continued. This makes the chip 6 only to be exposed in the air which contains almost no liquid drop 13 and the contamination of the chip can be prevented.
Patent JP-S5796507-A (JP)
Title: Manufacture of flyback transformer
Inventor: TAJIMA TETSUO
IPC: C08G18/69
Filed: 1980-12-08
Abstract: PURPOSE:To prevent the breakdown of insulation, by performing insulation treatment with liquid rubber comprising a liquid polybutadiene homopolymer having hydroxyl groups at both ends of the molecule, a short-chain diol, an isocvanate shown by the chemical formula 1, hydrated alumina, and red phosphorus powder. CONSTITUTION:Bobbins, diodes, coils, focus resistors, capacitors, cases, and the like are simultaneously treated to impart insulation by a liquid rubber composition comprising a liquid polybutadiene homopolymer having hydroxyl groups at both ends of the molecule, a short-chain diol and a short-chain triol, an isocyanate shown by the chemical formula 1, hydrated alumina, and red phosphorus powder. The mixing ratio of the liquid rubber composition are as follows: 97-80wt% polybutadiene homopolymer, 3-20wt% polyol component, 0.8-1.3eq. of isocyanate per eq of active hydrogen, and 40-120pts.wt. hydrated alumina 1 0-30pts.wt. red phosphorus powder per 100pts.wt. two polyol components.
Patent JP-S5874055-A (JP)
Title: Hermetical sealing method of semiconductor device
Inventor: SASAKI HISAO
IPC: B23K3/00
Filed: 1981-10-28
Abstract: PURPOSE:To prevent the splashing of brazing material penetrating into vessel by allowing a sealing jig with an irradiation heat preventing jig covered thereon to pass through a sealing furnace. CONSTITUTION:A cover material 5, a brazing material 6 and vessel material 7 are sequentially filled in a sealing jig 4. A irradiation heat preventing jig 8, is covered on the jig 4. Such a jig is put on the belt of furnace. This furnace is allowed to run within a furnace center tube in order to hermetically seal the materials 5 and 7. When a jig 8 is put as exaplained above, the heat irradiated from the tube wall of furnace center tube does not reach directly to the materials 7 and 5. In addition, since a material of jig 8 is not in contact directly with a material, temperature rise due to the conduction of heat is not high. Accordingly, a temperature rise rate is lower than that of the preset temperature profile and splashing of brazing material is prevented.
Patent JP-S5797840-A (JP)
Title: Core molding method
Inventor: UNOSAKI TSUNETO
IPC: B22C15/23
Filed: 1980-12-05
Abstract: PURPOSE:To evacuate the inside of a pattern box provided with a sand supply hole in the upper part and vent holes in the lower part, harden molding sand by sucking a gas without leakage and facilitate molding of a core by putting a shielding member having a hardening gas supply hole to said pattern box, and sucking the gas through the vent holes. CONSTITUTION:A pattern box 6 is placed on a pattern board 1, and molding sand 11 contg. a gas hardenable binder is leveled off approximately flush with the top of the box 6 and is packed therein. Next, a plate member 21 is placed on the top of the sand 11 and a film sheet 20 is put on the box 6 and the member 12. Thence, a nozzle 15 is inserted into a gas supply hole 14, and a gate valve 17 is opened, thence a vacuum pump is operated. Then, the inside of the box 6 is evacuated to negative pressure through a suction pipe 23, a evacuation chamber 2, vent holes 3 a recess 8 and bent holes 9. The hardening gas in a gas producer 16 is flowed uniformly into the box 6 through a conduit 18, the valve 17 and the nozzle 15, and is sucked through the sand 11 then through the holes 9, 22, whereby the sand 11 is hardened.
Patent JP-S5960894-A (JP)
Inventor: SHIBANO NOBUO
IPC: H05B41/392
Filed: 1982-09-29
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H0518289-A (JP)
Title: Air-fuel ratio control device of internal combustion engine
Inventor: OTSUKA IKU
IPC: F02D41/04
Filed: 1991-07-12
Abstract: PURPOSE:To reduce a difference between a tailing correction item and an immediate correction item through reduction of the immediate correction item and to prevent worsening of drivability by guarding an adhesion correction amount of fuel, adhered on the wall surface of an intake air pipe, by means of a guard value and carrying over the adhesion correction amount, exceeding the guard value, to a next time. CONSTITUTION:Based on the operation state parameter of an internal combustion engine, an amount of fuel adhered on the wall surface of an intake air pipe is computed by a means I. A change amount of a wall surface adhesion amount is computed by a means II. Further, based on the change amount of the wall surface adhesion amount, a correction immediate factor, a preceding tailing correction amount, a correction tailing factor, and a guard value, a wall surface adhesion correction amount is computed by a means III. Based on the change amount of the wall surface adhesion amount, the correction immediate factor, and the correction tailing factor, a tailing correction amount is computed by a means IV. Meanwhile, when the wall surface adhesion correction amount exceeds the guard value, the wall surface adhesion correction amount is caused to produce the guard value by means of a means V, and an amount exceeding the guard value is computed. The air-fuel ratio of an internal combustion engine is regulated by a means VI according to a guarded wall surface adhesion correction amount.
Patent JP-H077856-A (JP)
Title: Current limiting circuit
Inventor: ENDO KAZUYA
IPC: H02J3/16
Filed: 1993-06-18
Abstract: PURPOSE:To prevent serious faults of a system by limiting the three-phase output current of a power converter such as a reactive power compensator etc., so as to be a limit value or smaller in the next half period of the current, when the current exceeds a limit set value. CONSTITUTION:A current limiting circuit is an output current limiting circuit for a power converter which outputs three-phase current, and concerns a current limiting circuit 10 which limits a current command value i* of the power converter to i** by making smaller a limit signal KL to be multiplied by the current command value i* when the three-phase full-wave rectified signal of the output current Im exceeds a current limit set value ImLMT. An asymmetrical filter 106 which increases its output signal by a smaller time constant when this rectified signal is on the rise, and decreases the output signal by a larger time constant when it is on the decrease is provided, and the output signal Im' of this asymmetrical filter 106 is used for the comparison with the current limit set value ImLMT.
Patent JP-S5963809-A (JP)
Title: Production of noise filter
Inventor: IKEDA TAKESHI
IPC: H03H7/09
Filed: 1982-10-02
Abstract: PURPOSE:To increase inductance without generating a seam in a magnetic path and to attain mass production by charging a molding box with magnetic powder and applying weak pressure to produce preliminarily molded plural core pieces. CONSTITUTION:At first, the molding box is charged with magnetic powder and weak pressure is applied to form preliminarily molded plural core pieces 3, 3'. Then a coil 5 is rewound around a projection part 4 of one piece 3. The piece 3 is assembled with the piece 3' like a pot and then the assembled material is put in the molding box and pressed heavily to attain main molding. Consequently, the inductance can be increased without generating a seam in the magnetic path. In addition, difficult winding for a troidal core can be omitted, so that the method is appropriate to mass production and the filter can be produced inexpensively.
Patent JP-S6333291-A (JP)
Inventor: HERUMIYUUTO GEAHARUTO
IPC: B65D90/12
Filed: 1987-07-09
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S5798149-A (JP)
Title: Magnetic recorder and reproducer
Inventor: KAMIMURA TATSUO
IPC: G11B15/10
Filed: 1980-12-08
Abstract: PURPOSE:To permit a head to come into contact with and to separate from a tape by providing a temporary stop holding lever which moves back the head more than in recording or reproduction for a temporary stop by engaging with a head base plate which presses respective heads against the magnetic tape. CONSTITUTION:When a cassette holder is opened, a magnetic tape 42 and a recording and reproducing head 3 are held at the most separate distance as shown  by a figure A. When the cassette holder is pushed for driving, a control plate  15 is moved up by a spring 18 and a head base plate 2 moves up. For recording  or reproduction, a solenoid (not shown in the figure) moves the head base plate  2 up to position the magnetic tape 42 and recording and reproducing head 3 as shown by a figure D. When a temporary stop state is to be set in this state, the  suction of the solenoid is released to move the head base plate 2 down. In this  movement, the engagement part 32a between an engagement piece 2e and the  temporary stop holding lever 32 is engaged as shown by a figure C1, the distance  of the movement is short, and the tape 42 and recording and reproducing head  3 are as shown by the figure C.
Patent JP-H09329424-A (JP)
Title: Method and device for optically measuring film thickness
Inventor: MATSUMOTO HIROSHI
IPC: G01N21/23
Filed: 1996-06-12
Abstract: PROBLEM TO BE SOLVED: To provide a measuring method and device for the thickness of a thin film, with which accurate measurements can be obtained even though the difference in the refractive index between a base board and the thin film is identical and also satisfactory measurability is ensured even in case the film thickness is more than 1/2 of the wavelength λ of a laser beam source to be used in measurement. SOLUTION: A straight polarized beam having an angle of 45deg. or 135deg. to the main section is produced by a light producing mechanism 10a and applied on an object to be measured 4, and meantime the rotating angle of a sensor 7 constituting a light measuring mechanism 11a is changed over bit by bit so that two mutually perpendicular straight polarized components contained in the transmitted light from the object 4 and two mutually perpendicular straight polarized components dislocated 45deg. from the first named components are extracted, and thereupon the light intensity is determined. On the basis of the sensing result for each component, the phase difference is calculated to serve for conversion into the thickness of a thin film 6, and thus the film thickness is determined.
Patent JP-S5798142-A (JP)
Title: Optical recording disk
Inventor: ABE MICHIHARU
IPC: G11B7/24003
Filed: 1980-12-08
Abstract: PURPOSE:To form a recording layer with uniform film thickness easily, by forming the recording layer on a recessed discoid substrate forming part of a spherical surface. CONSTITUTION:An optical recording disk 12 is manufactured by forming a recording layer 10 on a recessed discoid substrate 9 made of metal, glass, plastics, etc., and forming part of a spherical surface, by vapor deposition, sputtering, etc., to uniform film thickness, and then by coating the surface with a protective layer 11 made of transparent plastics, synthetic rubber, etc. When a boat 7 containing a recording medium 8 is arranged at the center position of the radius of curvature of the substrate 9 to perform vapor deposition, any position on the surface of the substrate 9 is at equal distance from the vapor-deposition source, thus vapor-depositing the recording medium uniformly on the substrate 9.