baber/WOPTO huggingface dataset:
Patent JP-2000154024-A (JP)
Title: PRODUCTION OF Li-Co COMPLEX OXIDE
Inventor: ASANO MITSUHIRO
IPC: H01M10/05
Filed: 1998-11-12
Abstract: PROBLEM TO BE SOLVED: To decrease the amt. of undesirable lithium hydroxide by exposing a Li-Co complex oxide containing lithium oxide to water vapor at a high temp. to convert lithium oxide into hydroxide, and then removing hydroxide by washing with water. SOLUTION: Lithium compds. and cobalt compds., in 1:1 atomic ratio of cobalt to lithium, or with a little larger ratio of lithium than cobalt, are heated and calcined at about 1000 deg.C in air for 1 to 50 hours to produce a Li-Co oxide containing lithium oxide. The reaction product is exposed to water vapor having at least 30 mmHg partial pressure at a high temp. as at least 80 deg.C for about 0.2 to 10 hours in an atmosphere substantially having no carbon gas so as to convert lithium oxide into lithium hydroxide. Then the lithium hydroxide is removed by washing with water or the like. Thus, a Li-Co complex oxide having excellent property for charging and discharging cycles and suitable for a long-life lithium secondary cell can be obtd.
Patent JP-H01162999-A (JP)
Title: Fire detecting device
Inventor: TAGA HIROSHI
IPC: G08B17/02
Filed: 1987-12-18
Abstract: PURPOSE:To eliminate malfunction by making a weight move down as a result of variation in the distance of the gap between end surfaces of a couple of optical fibers due to the elongation of a fire retardant rope softened with a fire and then allowing the weight approach a proximity sensor. CONSTITUTION:The fire retardant rope 60 is softened with the fire and elongated to vary the distance of the gap between the end surfaces of the couple of optical fibers 1 and 2, and the weight 70 moves down to approach the proximity sensor 80. Thus, the generation of the fire is detected by the proximity sensor 80 from the variation in the distance of the gap between the end surfaces of the couple of optical fibers 1 and 2, so the detection accuracy is improved and malfunction is eliminated.
Patent JP-H10162410-A (JP)
Title: Optical disk device
Inventor: KIMURA KATSUHIKO
IPC: G11B7/135
Filed: 1996-12-03
Abstract: PROBLEM TO BE SOLVED: To set a light spot at an optimum focal position by providing an astigmatism generating means in the light converging optical system of an optical head and changing the position of the least circle of confusion of a spot to be converged on an optical disk in an optical axis. SOLUTION: The direction of an astigmatism to be generated in a semiconductor laser 3 or the astigmatism generating means is set in the direction of 45 degrees to the radial direction of an optical disk 9 in order to correct an astigmatism. In this state, an astigmatism quantity to be generated in the semiconductor laser 3 or the astigmatism generating means is controlled so that the amplitude of a reproduced signal becomes maximum and an offset is not generated in a focus error signal.  Moreover, at the initial adjustment time of an optical disk device, when the wave front aberration of a light beam from the objective lens of the optical head is measured with a wave front measuring device and it has the astigmatism of the direction of 45 degrees, the astigmatism aberration quantity to be generated in the laser 3 or the astigmatism generating means is controlled so as to correct this astigmatism.
Patent JP-H07182350-A (JP)
Title: Western language document processor
Inventor: HATAGUCHI YUUICHI
IPC: G06F17/28
Filed: 1993-12-22
Abstract: PURPOSE:To select language dictionary corresponding to a language by detecting a character, which is characteristic to the language of a Western language document to be processed. CONSTITUTION:A special character table stored in a ROM 12 is retrieved to detect the character which is characteristic to the language of the Western language document. In response to the detection, a switch 29 switches the language dictionary corresponding to the language to selected them. This characteristic character is usable as the article and this selected language dictionary is held until a next language dictionary is selected. Characters which are included in the Western language document to be processed and characteristic to the language are detected by paragraphs of the Western language document. Consequently, a language process can makes a spelling check on characters and makes corrections.
Patent JP-H01163761-A (JP)
Title: Image forming device
Inventor: MITSUHAYASHI TAKESHI
IPC: G03G15/04
Filed: 1987-12-21
Abstract: PURPOSE:To accomplish a device provided with an image editing function by providing a region specifying means which specifies a pacific image region, controlling the drive of a feeding means according to the information from the region specifying means and controlling the timing for feeding start of the material to be transcribed to an image transcription part. CONSTITUTION:A control part 47 controls the drive of each part through a driver D and controls the operation of each part. The control part 47 judges whether the region above or below the cursor position is specified as an image region to be copied by an operation key 37c or 37d for specifying the area to be copied on an operation panel. Then the control part 47 turns on a shutter solenoid 22c upon the image copying operation so as to close the shutter and cover outside of the effective image region, and exposure by image scanning light of a microfilm is conducted under such conditions. At this time, the control part 47 also controls the timing for starting paper supply based on the standard clock pulse number from a standard oscillator 47; the standard clock pulse number is proportional to the starting time of the paper supply by a resist roller which responds to the specified image region to be copied according to the cursor position.
Patent JP-H04269399-A (JP)
Title: Housing for blower
Inventor: JIYON TEII SARIBUAN
IPC: F04D29/62
Filed: 1991-12-06
Abstract: PURPOSE: To provide a volute housing for use with a quiet and highly-efficient centrifugal fan, blower or the like. CONSTITUTION: A volute housing 10 includes a housing body formed by sidewalls 41, 42 spaced so as to face and a volute peripheral wall 60 which is disposed between the said sidewalls and defines a volute chamber together with the sidewalls and an impeller. The sidewalls have a generally minimum radial dimension at the tongue 43 of the volute chamber respectively, which progressively increases to a maximum radial dimension at the throat 46 of the volute chamber. The sidewalls include the first sidewall parts 71, 72 which are generally parallel to each other between the tongue and the transition zone at 180 deg. therefrom.  The second sidewall parts 73, 74 from the transition zone to the volute throat part at approximately 360 deg. therefrom are in a diverging relationship in a direction distant from the transition zone; thereby fluid/air flowing through the housing body gradually expands in an axially outward direction as it flows between and along the second sidewall parts.
Patent JP-H06145888-A (JP)
Title: Roll for rolling
Inventor: NAWATA RYOSAKU
IPC: C22C38/24
Filed: 1992-11-09
Abstract: PURPOSE:To make excellent the wear resistance, surface roughening resistance, crack resistance and engaging properties in a roll for rolling by constituting the outer shell layer of the roll for rolling subjected to centrifugal casting of a specified compsn. of C, Si, Mn, Cr, Mo, V and Fe. CONSTITUTION:Casting is executed by a centrifugal casting method to obtain a roll for rolling. The chemical compsn. of its outer shell layer is constituted of, by weight, 1 to 3% C, <=2% Si, <=1.5% Mn, 3 to 15% Cr, <=8% Mo and 2 to 10% V and furthermore constituted of, at need, one or more kinds among <=2% Ni, <=10% W and <=10% Co, and the balance substantial Fe with inevitable impurities. In this way, the roll for rolling in which the friction coefficient measured by a rolling simulator is regulated to >=0.30 which is the value higher than the friction coefficient of the conventional material by 20 to 30%, slips are eliminated, engaging properties are good, the engaging critical angle is regulated to 20 deg., the area ratio of carbides is regulated to 7 to 20% and hardness is regulated to 75 to 85Hs can be obtd.
Patent JP-H05132789-A (JP)
Title: Surface coated metallic material for vacuum apparatus
Inventor: SATO HIROSHI
IPC: C23C14/00
Filed: 1991-11-11
Abstract: PURPOSE:To obtain a surface coated metallic material showing excellent corro sion resistance as well as small in the amt. of gas to be adsorbed and excellent in degassing properties as a metallic material used for an apparatus, e.g. ex posed to an atmosphere of corrosive gas and ultra-high vacuum such as a vac uum chamber for manufacturing semiconductors. CONSTITUTION:A surface layer of oxide, nitride, carbide, boride, fluoride or the like having corrosion resistance is formed on the surface of a metallic base material of stainless steel, Al alloy, Ti alloy or the like for a vacuum apparatus via an intermediate layer of a metal having corrosion resistance higher than that of the above metallic material.
Patent JP-H01203762-A (JP)
Title: Gasket structure
Inventor: POORU II GIYARO
IPC: F02F11/00
Filed: 1988-12-23
Abstract: PURPOSE: To obtain a vehicle engine gasket with increased thermal conductivity by mechanically retaining a first facing layer formed of a material having a relatively high degree of thermal conductivity and a second facing layer formed of a relatively compressible material by a plurality of retaining means. CONSTITUTION: A gasket 10 comprises a first facing layer 24 formed of a material having a relatively high degree of thermal conductivity and a second facing layer 25 formed of a relatively compressible material on a side opposite to the first facing layer 25 with respect to a core 17. Then, both facing layers 24, 25 are mechanically attached to the core 17. Tangs 19, 20 are fit into the first facing layer 24, and tangs 22, 23 are fit into the second facing layer 25 so as to form a structure wherein each of the facing layers 24, 25 is mechanically retained in the state adjacent to the core 17. Further, the outer face of the second facing layer 25 is coated with an elastic seal material useful to seal adjacent metal surfaces such as a bed or a block.
Patent JP-H077974-A (JP)
Title: Driving circuit for ultrasonic motor
Inventor: ITO JUNICHI
IPC: H02N2/00
Filed: 1993-12-22
Abstract: PURPOSE:To alleviate the load of a driving circuit when a plurality of ultrasonic motors are used. CONSTITUTION:A driving circuit for ultrasonic motors drive a plurality of ultrasonic motors 25A, 25B for driving moving elements in frictional contact with a surface of an elastic element by generating an elliptical vibration on a surface of the elastic element by applying an AC voltage to a piezoelectric element fixed to the elastic element in such a manner that frequencies of AC voltage adapted for driving are different. Further, the circuit comprises oscillators 50A, 50B for generating AC voltages of driving frequencies adapted for the individual motors, and selecting means for selecting the motor to be driven from the plurality of the motors by selecting any of the driving frequencies.
Patent JP-H10159097-A (JP)
Title: Bracing jack
Inventor: NAGASHIMA AKIRA
IPC: E02D17/08
Filed: 1996-12-04
Abstract: PROBLEM TO BE SOLVED: To prevent buckling and breakage from occurring on every part even in the case where dislocation, inclination and the like of a pressing object of lagging, waling or the like occur by receiving a pressing member by a spherical face receiving seat, and rotating and inclining the pressing member in the arbitrary direction. SOLUTION: A pressing member 30 is sandwiched so as to be rotated and inclined between the spherical face part 34A of a holding member 34 and the large diameter spherical face part 33A of a spherical face receiving seat 33, and inserted in the small diameter spherical face part 33B of the spherical face part 33. The holding member 34 and the spherical face receiving seat 33 are connected by a bolt inserted in an insertion hole drilled in the center part of the holding member 34 through the insertion hole 31a. Accordingly, even if dislocation, inclination and the like occur on a pressing object of right and left waling 5 and the like, the pressing face is rotated and inclined so as to allow it to contact closely to the face to be pressed of the pressing object of the waling 5 and the like when the whole is extended and placed in a bracing state.  Thereby bucking and breakage do not occur in the pressing member and the like.
Patent JP-H06174851-A (JP)
Title: Position detection type radiation detector
Inventor: TAKAKUSA YASUO
IPC: G01T1/164
Filed: 1992-12-03
Abstract: PURPOSE:To enhance the accuracy at which luminous positions are discriminated by adding a line position signal to a row position signal and a row position signal to a line position signal, or multiplying the row position signal by the line position signal and the line position signal by the row position signal, thereby correcting the order of arrangement of spots corresponding to scintillators. CONSTITUTION:A signal-position signal correcting circuit comprises square circuits 11-14, inversion circuits 15-18, addition circuits 19, 20, 23, 24, and differential circuits 21, 22. Signals A, B from a photoelectric conversion element are added 31 together, inverted 15 and added 19 to signals (a), (b) of different code components from the circuits 11, 12 to suppress the amplitudes of the signals A, B and that output signal is input to the circuit 21 to calculate the difference between the output signal and a -C-D signal from the circuit 17. Signals (c),(d) obtained by inputting signals C, D from the photoelectric conversion element to the square circuits 13, 14 are added 23 to the output signal A+ B -a-b-C-D of the circuit 21, and a signal A'+B'--C'-D' obtained by correcting distortion of a two-dimensional position display pattern is input to an oscilloscope as a position signal X. Similarly, a signal A'- B'+C'-D' from the circuit 24 is input to the oscilloscope as a corrected position signal Y.
Patent JP-H08253381-A (JP)
Title: Tool material for burning and its production
Inventor: NIWA SHIGEKI
IPC: C04B33/32
Filed: 1995-12-13
Abstract: PURPOSE: To obtain a tool material for burning generating a slight wear and peeling of a coating layer by having a coating layer on a part or whole of the surface of a parent material, storengthing binding between the parent material and the coating layer and increasing hardness of the coating layer itself. CONSTITUTION: The objective tool material is composed of a coating layer containing >=80wt.% one or more than two kinds selected from among Al2 O3 , MO and ZrO2 in the total as principal components and 0.5-10.0wt.% one or more than two kinds selected from among Fe2 O3 , TiO2 , BaO, SrO and CaO or MgO other than used as a stabilizer, as additives in the total (except selection of the same additive component as the principal component of the coating layer) on a part or whole of the surface of a parent material containing >=70wt.% one or more than two kinds selected from among Al2 O3 , MgO and ZrO2 .
Patent JP-H07182629-A (JP)
Title: Magnetic sensor
Inventor: KONDO REIKO
IPC: G11B5/39
Filed: 1993-12-22
Abstract: PURPOSE:To apply an intrinsic bias magnetic field better with a high coercive force film without generating a leak magnetic field adversely affecting soft magnetic characteristic, sensitivity and the like. CONSTITUTION:This sensor includes a signal magnetic field detection film such as MR film 14 and a high coercive force film 13 such as magnetization stabilizing film as formed in proximity to or adjacent to the signal magnetic field detection film. The high coercive force film 13 is formed on a ground layer 12 comprising a ferromagnetic film or a Co based non-magnetic film with an amorphous phase as main structure phase.
Patent JP-H11251886-A (JP)
Title: Negative delay signal generation circuit for compensating duty ratio
Inventor: KIN CHUKAN
IPC: H03K5/14
Filed: 1998-11-16
Abstract: PROBLEM TO BE SOLVED: To compensate a duty ratio by using a prescribed negative delay signal generation circuit, setting the rise section of an input signal to a reference in spite of the duty ratio of the input signal, and outputting a negative delay signal which can be generated within two periods and whose frequency is larger than the input signal and whose duty ratio approximates a specified value. SOLUTION: This negative delay signal generation circuit is constituted of a positive direction delay pat 21, a latching part 22, full-wave and half-wave reverse direction delay parts 25, and 27 and first to fourth logic operation parts 23, 24, 26 and 28 respectively. The positive direction delay part 21 receives a delay signal BS3 and generates a one shot pulse AS1 having a prescribed width pw2 and delays it. The full-wave and half-wave reverse direction delay parts 25 and 27 sequentially delay the outputs of second and third logic operation parts 24 and 26 respectively. When outputs CS3 and ES5 are inputted to a fourth logic operation part 28, a negative delay pulse CKI, which is faster than the delay signal BS3 having a high frequency and a duty ratio of almost 50%, is outputted.
Patent JP-H10152394-A (JP)
Title: Apparatus for epitaxial growth
Inventor: IMAI MASATO
IPC: H01L21/205
Filed: 1996-11-21
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for epitaxial growth capable of producing a high quality epitaxial wafer by maintaining the semiconductor wafer at a high temperature even under a reduced pressure in a chamber. SOLUTION: This epitaxial growth apparatus for growing an epitaxial layer on a surface of a semiconductor water in a reduced pressure chamber has a partition wall means for parting the first chamber for the semiconductor wafer to be placed therein and the second chamber isolated from the first chamber and neighboring to the first room, and a straitening means for straitening a gas flow in the first chamber so as to be a laminar flow to the surface of the semiconductor wafer.
Patent JP-H10164415-A (JP)
Title: Digital still camera with display panel
Inventor: MURAKAMI ISAO
IPC: H04N5/907
Filed: 1996-12-05
Abstract: PROBLEM TO BE SOLVED: To reduce power consumption through the display control of simple digital circuit by digitizing an image signal, transforming that signal to a display format through a microcomputer and sending it through an interface onto a digital display panel. SOLUTION: An image, formed through a lens 2 onto a CCD photographic element 1 is scanned, read out successively by a drive signal generating part 6 and a CCD driver 5, and inputted to a CDS 3 as an analog signal. Here, noises are reduced, and this signal is digitized by an A/D converter 4 and stored in a memory 8 by a microcomputer 7. Further, the signal is transformed into a memory card write format and written through a card controller 12 onto a memory card 13. On the other hand, the image signal of memory 8 is transformed to the display format of display panel and outputted to a display memory control means 11. Here, the control means 11 generates a synchronization signal and according to the instruction of computer 7, the interface sends the image signal through a display memory 9 onto a display panel 10.
Patent JP-H10155938-A (JP)
Title: Solid golf ball
Inventor: SANO YOSHINORI
IPC: A63B37/00
Filed: 1996-12-05
Abstract: PROBLEM TO BE SOLVED: To obtain a high rebonding performance and flying performance without lowering the hardness of a core, by forming the core by a rubber composition including metallic salt of α,β-unsaturated carboxylic acid, a radical initiator, and 4-methylphenol sulfide having a specific structural formula. SOLUTION: In a solid golf ball comprising a core and a cover formed on the core, the core is formed by a rubber composition including metallic salt of α,β-unsaturated carboxylic acid, a radical initiator, and 4-methylphenol sulfide having a structural formulf of I. The rubber composition further including a filler or the like as needed, is kneaded by a proper kneader such as an ordinary roller or the like, and heated, pressed and molded by a prescribed mold for example at 140-170 deg.C, 90-120kgf/cm<2> for 10-40 minutes, to obtain the core. As the base material rubber, the conventional natural rubber and/or synthetic rubber which have been used in the solid golf ball, is used.
Patent JP-H05134299-A (JP)
Title: Camera with focusing screen
Inventor: MIZUKAWA SHIGEO
IPC: G03B37/00
Filed: 1991-11-12
Abstract: PURPOSE:To facilitate the setting and releasing of a focusing screen and also to eliminate the need of safekeeping and controlling the focusing screen. CONSTITUTION:The focusing screen 14 used for focusing is attached on the rear cover 12 of a camera through a leaf spring 15 so that it may function as a pressure plate on the rear face part of a film, and also, a 2nd cover 20 is installed on the rear cover so as to observe the focusing screen 14. Then, the focusing screen can be set only by closing the rear cover 12. And also, as to a tunnel system camera, the focusing screen is slidden from a pressure plate position to a film setting position at the time of focusing. Further, a magnifying lens 24 for observing the focusing screen 14 is attached on the 2nd cover 20 so as to be freely contained.
Patent JP-H07183611-A (JP)
Title: Semiconductor laser device
Inventor: IWAI NORIHIRO
IPC: H01S5/00
Filed: 1993-12-22
Abstract: PURPOSE:To provide a ridge waveguide semiconductor laser which can get basic oscillation in lateral mode being stable even at high-output operation. CONSTITUTION:In a semiconductor laser device, which has at least one active layer and a pair of clad layer provided above and below that active layer, the first ridge part where the width of a mesa is w1 is made in the clad layer on the active layer, and further the second ridge part where the width of a mesa is w2 (w1>w2) is made on the first ridge part. Accordingly. the basic oscillation in lateral mode is stabilized by making the real refractive index difference in the active layer small.
Patent JP-H01166821-A (JP)
Title: Control method for rolling reduction of roller leveller
Inventor: ANDO HIROSHI
IPC: B21D1/05
Filed: 1987-12-24
Abstract: PURPOSE:To prevent poor rolling reduction and to obtain a band plate excellent in quality by measuring the residual length of a coil through a residual length measuring instrument, giving signals of residual lengths at several times between the start and the end to unwind the coil and controlling a roller leveller automatically to a suitable rolling reduction. CONSTITUTION:Residual lengths are required by the residual length measuring instrument 2 at several times between the start and the end to unwind the coil 1 to send the signals to the arithmetic unit 3. The productive sequence of the band plate according to a production schedule and conditions affecting the suitable rolling reduction of the band plate are inputted previously into an arithmetic unit 3 at the same time and a suitable rolling reduction is calculated by these conditions. Signals to be changed into a suitable rolling reduction are outputted from the arithmetic unit 3 to a rolling reduction controller 4, the controller 4 controls a rolling reduction controller 5 and a roller leveller 6 changes the rolling reduction into a suitable one. In this way, the yield is prevented from being lowered by poor conditions of rolling reduction and band plates excellent in quality can be obtained.