baber/WOPTO huggingface dataset:
Patent JP-2000293803-A (JP)
Title: Magnetic recording and reproducing device
Inventor: SAITO KAZUTOSHI
IPC: G11B5/02
Filed: 1999-04-08
Abstract: PROBLEM TO BE SOLVED: To shorten the changeover time from a recording mode to a reproduction mode and to reduce the power consumption in the recording mode with respect to a magnetic recording and reproducing device in which an MR head is used. SOLUTION: A head amplifier 1 supplies a sense current to an MR head 2 and also detects the signal of a magnetic recording medium. Then, a sense current setting circuit 13 is provided for the amplifier 1 and the amplifier 1 is allowed to be able to finely adjust the sense current based on instructions from a CPU 12. That is, an optimum setting sense current is to be supplied to the amplifier 1 by controlling ONs/OFFs of currents of resistances 3 to 6 with the combination of ONs/OFFs of four transistors 7 to 10. When a setting section current is made to be equal to or larger than 30% of a setting sense current which causes to flow at the time of the reproduction mode at the time of the recording mode, the changeover time to the reproduction mode can be shortened and the power consumption in the recording mode can be also reduced.
Patent JP-S61258414-A (JP)
Title: Optical vapor growth method and device thereof
Inventor: NUMAZAWA YOICHIRO
IPC: H01L21/31
Filed: 1985-05-13
Abstract: PURPOSE:To stably form a homogenous and defectless film by a method wherein the quantity of irradiation and the reference temperature of ultraviolet rays are made uniform completely by having almost no opposite gas atmosphere in the vicinity of a light irradiating window. CONSTITUTION:An ultraviolet ray irradiating device 10 radially projects ultraviolet rays L on the circumference of the device 10 from the center axis, and the ultraviolet rays L are made to irradiate evenly on the surface of a substrate 3 which is heated up by the heat ray R of a heat ray radiating device 6 and rotated at a uniform speed. An aperture part 14 functions as an inert gas jetting hole, and the inert gas (Ar for example) G2 which is flowed to the spacial region located between a reflecting cylindrical mirror 11 and a quartz cylinder 13 is also radially jetted on the circumference. Also, innumerable jetting holes directed to the substrate 3 are perforated everywhere on the wall surface of a plurality of reaction gas introducing pipes 4. Reaction gas G1 is controlled by said jetting holes in such a manner that the gas flows in one direction only heating to the surface of the substrate, the flow of the gas is energized by the exhaust hole, and it is exhausted together with the inert gas G2.
Patent JP-S5530410-A (JP)
Title: Production of polyamide fiber
Inventor: ENOMOTO HIROKAZU
IPC: D02J1/22
Filed: 1978-08-21
Abstract: PURPOSE: To wind polyamide fibers in a stable form at a high speed, by bringing the fibers into contact with unheated textured rolls between the heated final draw roll and the winder under such conditions as to satisfy a specific relation.  
     CONSTITUTION: Polyamide fibers, e.g. nylone 6 fibers, obtained by direct spinning and drawing, are brought into contact with positively rotated unheated textured rolls between the heated final roll and the winder under such conditions as to satisfy the formula [R is the relaxation vatio (%); T is the winding tension (g/de)]. The surface roughness of the textured rolls is preferably 3W12S. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S582073-A (JP)
Title: Field effect transistor
Inventor: HAYASHI HISAO
IPC: H01L29/78
Filed: 1981-06-29
Abstract: PURPOSE:To obtain easily an MOSFET processed at a low temperature using amorphous silicon by a mthod wherein the amorphous region is formed between a source and a drain, and a gate is formed insulatedly on a semiconductor layer between the source and the drain. CONSTITUTION:The amorphous silicon layer 2 is formed on a substrate 1 of which the surface is an insulator, a glass substrate for example, using the  plasma CVD method. A gate insulating film 3 and insulating layers 4 are formed on the amorphous silicon layer 2, and openings 5, 6 are formed. Then the gate electrode 7 is formed on the gate insulating film 3, and moreover ion implantation and selective annealing are performed through the openings 5, 6 to form the source region 8 and the drain region 9. The source and drain regions 8, 9 are converted into the minute polycrystalline regions by selective annealing thereof, and the channel part 13 remains as the amorphous region. Then a source electrode 10 and a drain electrode 11 are formed in the source and drain regions 8, 9.
Patent JP-S5528349-A (JP)
Title: Surface-treating method for screw part
Inventor: HIROMATSU KAZUO
IPC: F16B33/06
Filed: 1978-08-21
Abstract: PURPOSE:To dissolve and remove excessively deposited Al, by immersing hot Al dipped small parts such as screws into an acid soln. CONSTITUTION:Small parts 1 such as screws, bolts made of carbon steel or low alloy steel are dipped in molten Al to form Al plated layers 2 excellent in heat resistance, corrosion resistance on the surfaces thereof. Excessive Al 5 deposited in the bottom or groove of the screw fill the bottom or groove, causing functional disorder of the screw or bolt. Therefore, the screw or bolt is immersed into a mineral acid such as hydrochloric acid, or nitric acid, or an org. acid such as citric acid  or oxalic acid in order to dissolve and remove the excessive Al 5 and to expose  plated layer 2 of Fe-Al alloy. The plated layer is excellent in heat resistance and corrosion resistance, and its thickness is hardly increased more than needed, consequently no crack due to thermal stress is developed.
Patent JP-H04330500-A (JP)
Title: Pitch extraction device
Inventor: IWAOOJI MAKOTO
IPC: G10L25/90
Filed: 1991-05-02
Abstract: PURPOSE:To correctly measure zero-cross intervals of an input waveform corresponding to a one-pitch period by eliminating the influence of the zero crossing of harmonic components when pitches are extracted from a voice signal of a human voice, a musical sound, etc. CONSTITUTION:A CPU measures the cumulative values of the interval between zero-cross points at both ends of, a wave form part (a) whose polarity is, for example, positive and the amplitude of the waveform part (a) and then extracts the interval between the start points (zero-cross point) of waveforms (a) and (d) as the pitch period of the input waveform when finding the waveform part (d) which is at the shortest distance in terms of time while both the cumulative values of the intervals between zero-cross points at both ends of equal-polarity waveform parts (b), (c), and (d) and the amplitudes of the waveform parts are nearly equal to the cumulative values of the interval and amplitude of the waveform part (a).
Patent JP-H06308563-A (JP)
Title: Image blurring prevention device
Inventor: SHIKAMI MASAO
IPC: G03B17/00
Filed: 1993-04-27
Abstract: PURPOSE:To bring the operating range of a vibration-proof optical system near to a circular shape by a simple operation area limit arithmetic operation. CONSTITUTION:As for the image blurring prevention device respectively and almost independently driving an image blurring correction optical means ICPU in two mutually nearly orthogonal directions; a displacement detecting means detecting the displacement of a correction optical mechanism ILNS in reference to respective shafts in two directions and a control means ICNT limiting the displacement of the two directions and having data for limit as the table of two directions when the output of the displacement detecting means of the two directions reaches specified relation are provided, and the operating range of the image blurring correction optical system ILNS approximates to the circular shape by splitting the range, and this device rapidly judges whether it is within the operating range or not by comparing the data of boundary with the coordinate of the correction optical system ILNS.
Patent JP-H02279481-A (JP)
Title: Running air guiding device for motorcycle
Inventor: SUZUKI YASUHITO
IPC: B62J17/00
Filed: 1989-04-20
Abstract: PURPOSE:To perform the intake of running air into an engine smoothly and efficiently by installing a duct which guides the running air to be taken out of an air intake formed in a cowling toward a clearance between an air cleaner and a cover body. CONSTITUTION:Running air 42 caused at time of running of a motorcycle 1 is led into the inner part of a cowling 36 from an air intake 44. At this time, the running air 42 is guided into a clearance 31 between an air cleaner 15 and a lower plate 29 from a guide duct 45. Another running air 52 flowing in this clearance 31 is inhaled into the air cleaner 15 from an intake port 20 being opened to the clearance 31. In brief, each running air (42, 52) is passed through the guide duct 45 and the clearance 31, and thereby smoothly inhaled into the air cleaner 15 without being hindered by other constituent parts. In addition, the running air 51 is passed through the vicinity of a carburetor 13, thereby cooling this carburetor. Moreover, the running air 51 is passed through the rear of an exhaust port 40 in running air 41 heated through a radiator 35, thus interference with both of them is avoided in this way.
Patent JP-S60244523-A (JP)
Title: Apparatus for molding undulating shaped sheet
Inventor: HAGA KAZUO
IPC: B29C51/08
Filed: 1984-05-19
Abstract: PURPOSE:To reduce the manufacturing cost of a roll having a complicated shape and to miniaturize the shape thereof, in processing a sheet so as to provide a continuous undulating shape thereto, by manufacturing the molding roll used in said processing by comining a large number of thin gear shaped discs. CONSTITUTION:Each of molding cylinder parts 11, 16 is formed of a combined body comprising disc shaped bodies 17 each having an opening 18 provided to the center thereof and a large number of teeth 19 provided to the outer periphery thereof at equal pitches. These disc shaped bodies 17 are inlaid with intermediate body parts 8A, 14A integrated with shafts 8, 14 byusing keys so that teeth 19 of adjacent disc shaped bodies 17 are positionally shifted to each other in the circumferential direction. A thermoplastic resin sheet 1 is passed between molding rolls 7, 13 comprising thus combined gear shaped molding cylinder parts 11, 16 to continuously obtain an undulating shaped sheet 20. Because these molding rolls 7, 13 can be manufactured by combining a large number of disc shaped bodiew 17, the manufacturing cost thereof becomes extremely inexpensive.
Patent JP-2000294824-A (JP)
Title: Nitride semiconductor device and manufacture thereof
Inventor: HIRANO HIKARI
IPC: H01L31/10
Filed: 1999-04-08
Abstract: PROBLEM TO BE SOLVED: To obtain a nitride semiconductor device, a photodetector and a flame sensor, each having a semiconductor element structure wherein a good Ohmic contact electrodes can be formed on a p-AlxGa1-xN layer. SOLUTION: The device has a p-type semiconductor layer 1 composed of a p-AlxGa1-xN layer (x>0), the semiconductor layer 1 has a high impurity concentration layer 7 contg. at least Be as an impurity formed in a portion near its surface, the impurity concentration is higher than that in a lower layer near the surface portion, and metal electrodes 8 are formed on the surface of the high impurity concentration layer 7. The impurity concentration of this layer 7 is preferably over 1018 cm-3.
Patent JP-H05298388-A (JP)
Title: Method for forming test vector
Inventor: OYA NOBORU
IPC: G01R31/28
Filed: 1992-04-21
Abstract: PURPOSE:To easily form a test vector after changing a design. CONSTITUTION:Design specification 1 is supplied to a logical value computing part 2 and logical specification 3 is extracted from the computing part 2. On the other hand, the design specification 1 is supplied also to a hardware specification processing part 4 and a hardware-like specifiction 5 to be used for developing a circuit to hardware is extracted from the processing part 4. Then these specifications 3, 5 are supplied to a test vector forming part 6. A test vector 7 is outputted from the forming part 6.
Patent JP-H1177390-A (JP)
Title: Container squeezer
Inventor: KATO SHIGEKI
IPC: B30B9/32
Filed: 1998-04-13
Abstract: PROBLEM TO BE SOLVED: To reduce the spring-back of a container by arranging a fixed plate and a pressing plate opposite to each other, moving the pressing plate approximately parallel to the fixed plate to compress the container, and folding the container compressed by a folding claw. SOLUTION: A bottom part 21a of a PET bottle 21 (as a container) is abutted on a positioning body 12 in an open condition where a pressing plate 10 is detached from a fixed plate 2, and pushed into between the pressing plate 10 and the fixed plate 2. A working shaft 28 is moved downward by hand or foot to achieve the compression work. Lever bodies 9, 9 are turned counterclockwise by the movement of the working shaft 28, and the pressing plate 10 is brought close to the fixed plate 2 while kept approximately parallel to the fixed plate 2. The PET bottle 20 is compressed at its body part 21b, and its bottom part 21a is folded inwardly into two. The body part 21b is further folded by a folding claw 4, and the PET bottle 21 is in a shape of less spring back.
Patent JP-S528372-A (JP)
Title: Lighter case
Inventor: OKAMURA YASUSHI
IPC: F23Q2/36
Filed: 1975-08-20
Abstract: PURPOSE: To provide an inexpensive but attractive lighter case by a simplified manufacturing process from which machining operations such as a deep drawing press operation, an engraving operation are omitted. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H10294312-A (JP)
Title: Solid-state image sensor and manufacture thereof
Inventor: TAKAMORI MASUNORI
IPC: H01L21/316
Filed: 1997-04-18
Abstract: PROBLEM TO BE SOLVED: To provide the solid-state image sensor, whose image characteristics are improved by a flattened insulating film having excellent flatness, without requirement for high-temperature heat treatment and the manufacturing method thereof. SOLUTION: This solid-state image sensor has a silicon substrate 1, a light receiving part 2 provided in the substrate 1, an interlayer insulating film 5, which is formed on the substrate 1 and the light receiving part 2, a gate electrode 4, which is formed between the interlayer insulating film 5 and the substrate 1, a metallic light shielding film 6 having at least one opening part on the light receiving part 2 formed on the interlayer insulating film 5 and a flattened insulating film 8 formed on the metallic light shielding film 6. Furthermore, a part of the flattened insulating film 8 is formed of a CVD film, wherein silane and hydrogen peroxide water are made to be raw material gas and the flattening property is excellent.
Patent JP-H0593666-A (JP)
Title: Damper for pressure measuring device
Inventor: PEETAA FUON BERUKU
IPC: A61B5/0235
Filed: 1991-05-07
Abstract: PURPOSE: To obtain a damper which can eliminate the influence of a dynamically changing pressure on a pressure measuring device for monitoring pressure at the time of measuring the blood pressure, etc. CONSTITUTION: A damper for pressure measuring instrument is incorporated in a valve body. A fluid passage 6 communicates with a first division chamber 9 closed with an elastic rubber diaphragm 10. One side face of the diaphragm 10 on the opposite side of the chamber 9 forms a second division chamber 13 which is in contact with the atmosphere through an opening 14 formed to provide a fluid resistance. The fluid resistance exhibits a damper effect.
Patent JP-H06304354-A (JP)
Title: Scoop quantity adjusting device of scoop sewing machine
Inventor: YAMAMOTO TETSUNORI
IPC: D05B19/12
Filed: 1993-04-28
Abstract: PURPOSE:To enhance working efficiency by presetting scoop quantity at every step and automatically adjusting scoop quantity according to this presetting. CONSTITUTION:A plunger 4 advancing to its upper limit position at every step at the time of the execution of a sewing mode consisting of the sequential cycles of a plurality of steps and thrusting up a fabric to be subjected to scoop sewing to prescribe the scoop quantity of a scoop needle 3 and an upper limit position variable mechanism 7 making the upper limit position of the plunger 4 variable are provided. Further, a control part 20 capable of presetting scoop quantities at every steps of the sewing modes and indicating the scoop quantities set at the time of the execution of the sewing modes in step order and a drive means 10 driving the upper limit position variable mechanism 7 corresponding to the scoop quantity indicated by the control part 20 are provided and the plunger 4 advances to the upper limit position thereof corresponding to the stacked number of fabrics to be subjected to scoop sewing to prescribe the proper scoop quantity of the scoop needle.
Patent JP-S5252370-A (JP)
Title: Fabrication of glass-sealed semiconductor device
Inventor: OOWAKI SEISHIROU
IPC: H01L21/52
Filed: 1976-08-27
Abstract: PURPOSE: To prevent decontacting of leads in glass-sealed semiconductor device by using flat lead frame. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S60246141-A (JP)
Title: Transmission system of data transmitter
Inventor: SADAMORI IKUICHI
IPC: G06F13/38
Filed: 1984-05-22
Abstract: PURPOSE:To quicken the data transmission speed by saving the procedure of polling and addressing and executing processing of reception data and fetching of transmission data while the transmission control of transmission/reception is executed to improve the utilizing efficiency of a transmission line. CONSTITUTION:Data read between times T1-T3 by a control station 1 is processed between times T10-T12. On the other hand, since the data of a slave station 3N is transmitted via a transmission line 2 to the control station 1 between T9-T12, the control station completes the reception at a T12 and fetches the reception data between the T12 and T13. The control station 1 finishes the processing of the reception data from a slave station 3N-1, reads the transmission data to a slave station 3N+1 between T8 and T11, and when the read data is inputted to an interface 6 between T13 and T14, the interface 6 starts transmission to the slave station 3N+1. The control station 1 processes the data received between T12 and T13 at times between T14 and T16, then the data read by the slave station 3N before T7 is processed by the control station 1 from the T14 and the processing is finished at the T16.
Patent JP-S62258558-A (JP)
Title: Controller of plot head for electronic picture
Inventor: YAMASHITA JUN
IPC: H04N1/407
Filed: 1986-05-01
Abstract: PURPOSE:To suppress the deterioration in the picture quality due to the variaton of spot intervals of a plot head by providing a control means controlling the print density parameter in response to the interval of a print spot. CONSTITUTION:A picture signal from a memory 20 is latched by a latch circuit 22 via a shift register 21. A control section 23 outputs an enable signal representing the on-time operated based on the information relating to the interval of light spots 26 to each AND circuit 24. The output of each AND circuit goes to '1' over the on-time by the enable signal and a transistor 25 is turned on. The light spot 26 is lighted by the controlled on-time through the turning-on of the transistor 25. The variaton in the luminous quantity is reduced by a span being twice the average spot interval through the control and the uneven density of image is reduced.
Patent JP-S5224792-A (JP)
Title: Apparatus of wrapping resilient materials
Inventor: NIWA AKIRA
IPC: B65B9/02
Filed: 1975-08-20
Abstract: PURPOSE: An apparatus which can compress and wrap even those materials having large restoring force and strong repulsive force against the compression, without any trouble. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5435732-A (JP)
Title: Electrophotographic photoreceptor
Inventor: KONDOU HIDEYO
IPC: G03G5/14
Filed: 1977-08-25
Abstract: PURPOSE: To improve surface hardness and surface lubricity, and as a result, improve durability and cleaning characteristic by forming the insulation layer on photoconductive layer primarily with a specific hardening resin. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H02280572-A (JP)
Title: Color picture forming device
Inventor: HAYASHI SHUJI
IPC: B41J2/525
Filed: 1989-04-21
Abstract: PURPOSE:To expand the available recording paper range by detecting a color of the recording paper with a recording paper color detection means, calculating a correction value of a developed color based on the result of the detection with a correction value calculation means and forming a color picture of the original onto the recording paper while the value is corrected by the correction value. CONSTITUTION:A color of transfer paper stopped this side of a resist roller 24 is detected by a transfer paper color detection sensor 25. The result of detection is fetched in a RAM of a control section 40 as a color correction data. The transfer paper is fixed while being wound on a transfer device 17. Then a reader 20 is driven and a picture of the original placed on an original platen 12 is fetched as a picture data. Then a color correction data of the transfer paper is subtracted from the picture data of the original and the result is stored as a corrected picture data. Based on the corrected picture data, a laser unit 18 outputs a picture to a photosensitive drum 15 to form a full color picture on the transfer paper of the transfer device 17.
Patent JP-S5625947-A (JP)
Title: Ni3al alloy having improved ordinary temperature ductility and strength
Inventor: IZUMI OSAMU
IPC: C22C19/03
Filed: 1979-08-10
Abstract: PURPOSE: To obtain a high strength Ni 3 Al alloy having superior ductility at ordinary temp. and improved ordinary temp. workability by adding a specified amount of Mo to an Ni 3 Al intermetallic compound or further adding B, Nb and Zr.  
     CONSTITUTION: 0.05W2.0% Mo is added to an Ni 3 Al intermetallic compound. B, Nb and Zr may further be added singly or combinedly together with 0.01W2.0%Mo. When B, Nb and Zr are added singly together with Mo, they are added by 0.005W 3.0%, 0.005W4.0% and 0.005W4.0%, respecrively. When B, Nb and Zr are added combinedly, the total amount is adjusted to 0.005W3.0% in case of B and 0.005W 4.0% in case of Nb and Zr. The total amount of Mo, B, Nb and zr is 0.015W4.5%. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S59226349-A (JP)
Title: Formation of fine metallic pattern
Inventor: NARA AIICHIROU
IPC: C23C18/31
Filed: 1983-06-06
Abstract: PURPOSE:To obtain submicroscopic fine metallic patterns by forming a thin film consisting of a metal having a high coefficient of linear expansion on a pattern resist film and utilizing the reduction of the length of a pattern aperture part based on expansion of this metallic thin film due to rise of temperature. CONSTITUTION:A process where the first film 2 consisting of a material which can be melted and removed in distinction from a substrate 1 and metals is formed on the substrate 1, the second process where the first metallic film 5 is formed closely on the film 2, the fourth process where the film 2 exposed to the film 5 in aperture parts l0 having shapes corresponding to desired fine patterns is removed to expose the surface of the substrate to aperture parts l0, the fifth process where the film 2 is expanded by thermal expansion of the film 5 due to the rise of temperature to narrow aperture parts l0 and a metallic film is vapor- deposited to the overall surface including the surface of the substrate 1 exposed to aperture parts l0, and the sixth process where the second metallic film of desired minute patterns is left only on substrate parts in aperture parts L by the lift-off method are provided. A metal having a high coefficient of linear expansion is used as the first metallic film 5. Thus, submicroscopic fine metallic patterns are obtained.