baber/WOPTO huggingface dataset:
Patent JP-S63260306-A (JP)
Title: Current mirror circuit device
Inventor: IKEDA KOICHI
IPC: H03F3/34
Filed: 1987-04-17
Abstract: PURPOSE:To obtain a circuit operated even with a low power voltage and to obtain an output current with high accuracy even with a low voltage by providing a current mirror circuit forming a negative feedback circuit between the base of a 1st transistor(TR) and the collector of a 2nd TR. CONSTITUTION:The base of the 2nd TR Q2 is connected to the collector of the 1st TR and connected to a power supply VCC via a constant current source I1 and the emitter of the 2nd TR Q2 is connected to said power supply VEE. A current mirror circuit T is connected to the power supply VCC. The collector of the 2nd TR Q2 is connected to a reference current terminal of the current mirror circuit T and the base of the 1st TR Q1 is connected to the output current terminal of the current mirror circuit T. Thus, the current mirror circuit T constitutes a negative feedback circuit. Thus, the circuit is operated at a low power voltage.
Patent JP-H08259299-A (JP)
Title: Production of inorganic plate
Inventor: UTAGAKI KAZUO
IPC: C04B40/02
Filed: 1995-03-27
Abstract: PURPOSE: To suppress efflorescence of the product by preparing a mat made of a source material mixture essentially comprising cement and reinforcing fiber, subjecting the mat to primary ageing while maintaining the water content to a specified range, and then subjecting the mat to secondary ageing. CONSTITUTION: A cement such as portland cement and silica sand are mixed by 3/7 to 7/3 weight ratio, to which a reinforcing fiber such as wood fiber or inorg. fiber in an amt. about 1-8wt.% of the source material mixture, a filler such as fly ash and a hardening accelerator such as water glass are added and mixed. The source mixture thus obtd. is mixed with a specified amt. of water to prepare a slurry. The slurry is formed in a process similar to a papermaking process to obtain a wet mat having about 40-60wt.% water content. Then the wet mat is pressed to control the water content to 15-35wt.% and subjected to primary ageing at about 30-80 deg.C for about 6-48 hours to while suppressing efflorescence. Then the mat is maintained at normal temp. and normal pressure for about two days to 2 weeks or at about 140-200 deg.C for about 6-10 hours for secondary ageing. Thus, the inorg. plate having stable quality is obtd.
Patent JP-H05291756-A (JP)
Title: Portable electronic device
Inventor: MATSUMOTO KAZUHIRO
IPC: H05K5/02
Filed: 1992-04-15
Abstract: PURPOSE:To prevent the corrosion, etc., of a terminal for signals caused by waterdrops without using a protective cover by arranging the constitution such that a battery, which is to be connected to a power terminal, doubling as a cover for shielding the terminal for signals, can be installed freely of mounting and removal on the outside surface of a device body. CONSTITUTION:The power terminal 2 on the side of a device body 1 is inserted and connected to the output terminal 6 in such a way as to bring the external side face of a battery provided with an output terminal 6 and a recess 7 into contact with the external side face of a device body 1, and besides the terminal 3 for signals is accommodated in the recess 7, whereby the battery 5 is mounted freely or mounting and removal on the external side face of the device body 1. When the battery 5 is mounted on the device body 1, the terminal 3 for signals is accommodated in the recess 7 and is shielded and protected. At this time, waterdrops can be prevented from penetrating into the recess 7 by the external side face of the device body 1 and the external side face of the battery 5 stick close to each other.
Patent JP-S57209837-A (JP)
Title: Compound expressed by lugacoo4 and having hexagonal layered structure and preparation thereof
Inventor: KIMIZUKA NOBORU
IPC: C01G51/00
Filed: 1981-06-19
Abstract: PURPOSE: A novel compound consisting of a compound oxide of Lu, Ga and Co, expressed by LuGaGoO 4 , and having the hexagonal layered structure.  
     CONSTITUTION: Lu, Lu 2 O 3  or a compound decomposable into Lu 2 O 3  by heating is mixed with Ga, Ga 2 O 3  or a compound decomposable into Ga 2 O 3  by heating and Co, CoO or a compound decomposable into CoO by heating. The respective particle diameters thereof are preferably ≤10μm. The atomic ratio of Lu/Ga/Co is 1:1:1. The mixed powder is then heated at 1,100°C or above in the air, an oxidizing atmosphere or such a reducing atmosphere as not to reduce Ga and Co from the trivalent and bivalent ionic states. After the completion of the reaction, the reaction mixture is quenched to 0°C or taken out to the air and give the aimed LuGaCoO 4  compound. The resultant compound assumes a black color, and is found to have the same crystal structure as the well-known YFe 2 O 4  by the powder X-ray diffractometry. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H01267231-A (JP)
Title: Automatic setting device for sheet feed timing
Inventor: YAMAMOTO HARUO
IPC: G03G15/00
Filed: 1988-04-18
Abstract: PURPOSE:To automatically set the feed timing of copying sheet with a single run of test copying, by using a test chart in which an identification line is entered in a certain positioned from the leading edge. CONSTITUTION:When the image of a test chart is transcribed on a copying sheet 38 by the use of a test chart 50, in which an identification line 51 is entered in a position L a certain distance apart from the leading edge 50a, the identification line 51a on the copying sheet 38 is shifted either fore or aft by reference to the identification line 51 on the test chart 50. A CPU 52 compares the lengths La, Lb, Lc from the leading edge 38a of the sheet 38 till the identification line 51a with the L on the test chart 50 to determine their difference, and a resist roller clutch 53 controls the feed timing of the copying sheet so that this difference will be nullified. Accordingly the sheet feed timing is set automatically with a single run of copying action.
Patent JP-S5617718-A (JP)
Title: Display on windshield of automobile
Inventor: FUKATSU HIROICHI
IPC: B60J1/02
Filed: 1979-07-23
Abstract: PURPOSE:To perform safe operation by indicating information of various measuring devices on the front windshield by means of a pattern for indicating informations with liquid crystal on the front glass of automobiles. CONSTITUTION:A dynamic scattering effect type is used for the liquid crystal indicator. A number of small regions varied in the molecular orientation appear by having a small amount of current flowing into the liquid crystal so that light is refracted in double on the boundary of the regions. In addition, a color filter is used to color the light. The MOS type IC and the silver battery are used to drive the liquid crystal indicator. This can minimize the total power consumption while making it extremely thin. Thus, this indicator can adhere to the curved surface of the front windshield.
Patent JP-S5320941-A (JP)
Title: Light recorder
Inventor: TERAO MOTOYASU
IPC: G11B7/24073
Filed: 1976-08-11
Abstract: PURPOSE: To obtain a large signal with one read head, by selecting the refracive index of a thin film and the depth of a recess so as to impart the difference between light paths near to about 1/2 of the wavelength of the read light in recording information by irradiating a conductive film with a working beam to form recesses. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H08292181-A (JP)
Title: Process gas chromatograph
Inventor: MIURA MICHIAKI
IPC: G01N30/02
Filed: 1995-04-20
Abstract: PURPOSE: To ensure reliability of analysis result by a method wherein a quantity of a specimen detected by a heat conductivity detector provided on a front stage in a separation column is compared with data at a time when an adequate quantity is taken from a metering section, then measurement is executed and it is checked whether the collected quantity of the specimen is adequate or not. CONSTITUTION: A specimen measured in a metering section 1A is conveyed to a carburetor 2 by a carrier gas to be vapourized and a part thereof is separated by a splitter to be conveyed to a heat conductivity detector 4. The detector 4 measures a value in accordance with a heat conductivity of the carrier gas including the specimen to detect a quantity of the specimen. At that time, a comparing section 7 compares the quantity of the specimen detected by the detector 4 with data obtained when the specimen is adequately collected by a metering section 1A. When the comparison result is shifted from a predetermined reference value, it is judged that the sampling has an abnormality, the measured data of the detector 8 at that time is removed from the measured result and an alarm is generated.
Patent JP-H02272517-A (JP)
Title: Light quantity control scanning optical system using plural beam light sources
Inventor: TAKANASHI KENICHI
IPC: G09G3/00
Filed: 1989-04-14
Abstract: PURPOSE:To obtain a gradational image by stable scanning light with the power of a small light source and simple constitution by providing a 1st image formation optical system which images projection luminous flux from an afocal optical system linearly and a 2nd image formation optical system which converges light from a deflector on a scanned surface, and setting the 2nd image formation optical system so that a deflecting and reflecting surface and the scanned surface are geometrically and optically in almost conjugate relation. CONSTITUTION:Collimated light beams 1b' and 1c' emitted by a light source 1 are projected from the afocal optical system 8 while held parallel to each other, and they are expanded at this time. Then those beams are made incident on the 1st image formation optical system 2 as projection beams 1b'' and 1c'' and image linearly at the focus position of the 1st image formation optical system 2 nearby the deflecting and reflecting surface 4. In this case, the 2nd image formation optical system 9 puts the deflecting and reflecting surface and scanned surface geometrically and optically in nearly conjugate relation, and consequently the beams are imaged on the scanned surface 7. Consequently, stable gradational scanning light can be obtained with the power of the small light source.
Patent JP-H08280685-A (JP)
Title: Ultrasonic probe fitted with puncture needle guide
Inventor: HOSOKAWA TAKASHI
IPC: A61B10/00
Filed: 1995-04-20
Abstract: PURPOSE: To provide an ultrasonic probe fitted with a puncture needle guide performing the transmission and reception of ultrasonic waves to perform ultrasonic diagnosis, not requiring the insertion of many trocars into a patient and capable of performing puncture in such a state an ultrasonic probe is inserted from one trocar so as to stabilize the operation of a puncture needle and to easily perform puncture. CONSTITUTION: As a puncture needle guide means, the groove 30 provided to the side surface of an ultrasonic probe 10 and the puncture needle guide pipe for guiding the puncture needle provided to the groove part 30 in a detachable manner are provided and the puncture needle is inserted into the puncture needle guide pipe.
Patent JP-H02274915-A (JP)
Title: Pile driver
Inventor: KON SHIN SEN
IPC: E02D7/20
Filed: 1989-04-14
Abstract: PURPOSE: To efficiently drive a long pile with a large bearing force in a stable state by providing a column supporting the pile, a jack for driving the pile, and ballast for supporting the reaction of the jack on a horizontal base frame. CONSTITUTION: After a base frame 1 is moved and a column 11 is arranged in a desired pile driving position, ballast 5 is mounted on the frame 1. A jack 7 is adjusted for setting the column 11 vertically and a pile 8 is stored in a horizontalized receiver arm 19. Then, the arm 19 is rotationally moved into a vertical attitude to store the pile 8 in the column 11 and a hydraulic jack provided to the column is operated to drive the pile into the ground till its half length of the pile. The residual half is driven further by interposing a dolly. A clip 67 is inserted in the pile end in a groove 71 of a board 61 having a joint bar 75 embedded and fixed thereto so as to be joined. By this constitution, the pile with the same length as the column 11 can efficiently and stably be driven by only 2 strokes.
Patent JP-H08293779-A (JP)
Title: Level conversion circuit device
Inventor: MORIKAWA NARIHIRO
IPC: H01L27/08
Filed: 1995-04-20
Abstract: PURPOSE: To attain the reduction of the number of elements and high breakdown voltage in level conversion from a low potential system to a high potential system. CONSTITUTION: A first MOS transistor Q1 whose source is connected to a first supply potential VPP1 and a second MOS transistor Q2 whose source is connected to a second supply potential VPP2 lower than the first supply voltage VPP1 are provided. The drain of the second MOS transistor Q2 is connected directly to the gate of the first MOS transistor Q1, and these are made into a level conversion circuit device. Here, the first MOS transistor Q1 has a high density impurity area 8 kept way from a source diffusion area 6 and a drain diffusion area 7 at the center of a channel area 5, and has threshold voltage Vtp1 higher in comparison with potential difference VPP1 -VPP2 between the first and the second supply potentials.
Patent JP-H09276344-A (JP)
Title: Notification cancel system
Inventor: KITA KAORI
IPC: H04L12/40
Filed: 1996-04-17
Abstract: PROBLEM TO BE SOLVED: To provide a notification cancel system which can reduce or eliminate the time required to cancel a notification operation as well as can inform a cared person that it is ready to care in an abnormal detection system for a cared person. SOLUTION: This system is provided with a human body detection sensor 104, a sensor adaptor 103 and an abnormal detection device 102 which automatically detect abnormal conditions occurred with a cared person or a care attendant calling request generated by the cared person, a notification device 105 which informs a care attendant of the abnormal conditions or care attendant calling request when it is automatically detected, and at least one notification cancel device 101 which cancels a notification of the notification device 105. The notification cancel device 101 can reduce or eliminate the time required to cancel an notification operation and allows more quick care depending on the notification cancel system provided at a route to a cared person or at a cared person site.
Patent JP-S61253309-A (JP)
Title: Direct steel making method using vertical furnace
Inventor: ONODA MAMORU
IPC: C21B11/02
Filed: 1985-05-01
Abstract: PURPOSE:To efficiently prevent the cluster rings generated in a process for producing reduced iron and to improve the stability of operation by coating the surface of the raw material iron ore to be charged into a vertical furnace with a carbon material. CONSTITUTION:A retort 1 is parted to two stages. Coal C is thrown into a lower part and pellets P, etc. of raw material iron ore are packed into the upper part. The retort 1 is put into an electric furnace 2, etc. and is heated to about 500 deg.C. The coal C is carbonized and the generated tar-contg. gas is brought into contact with the pellet P packed layer so that the tar-base carbon material is stuck onto the pellets P. The coating rate of the carbon material is adjusted to about 0.5-4wt% by the weight of the raw material iron ore. Clustering is prevented as far as possible and the reduction temp. is increased by using such carbon material-coated raw material iron ore. The reduction rate is thus increased and the heat loss of the reducing gas is decreased.
Patent JP-H11279110-A (JP)
Title: Production of 2-substituted carboxylic acid
Inventor: FUJIMORI YUJI
IPC: B01J23/42
Filed: 1998-03-25
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound, useful as a stock for medicines and agrocbemicals, efficiently from a readily available, inexpensive stock by a simple procedure by reacting a specific substituted propanediol with an oxygen-containing gas in the presence of a metallic catalyst. SOLUTION: This compound, e.g. 3-hydroxyisobutyrate, is obtained by reacting (A) a 2-substituted-1,3-propanediol shown by the formula (R is a 1-6C alkyl or the like), e.g. 2-methyl-1,3-propanediol, in the presence of (B) a metallic catalyst, preferably containing at least one element selected from the platinum group metals, e.g. platinum and, at the same time, at least one of bismuth and lead, with (C) an oxygen-containing gas, preferably at pH 7 to 12 and 20 to 50 deg.C. It is preferable to use 50 to 150 wt.% of the component B on the reaction solution.
Patent JP-H06281262-A (JP)
Title: Solar heat collecting body and solar heat collecting device
Inventor: YAMASAKA NOBORU
IPC: F24J2/04
Filed: 1993-03-31
Abstract: PURPOSE:To enhance thermal conductivity by forming a solar heat collecting body to be disposed in a space for collecting solar heat from metallic fiber having air-permeable fine voids. CONSTITUTION:In a solar heat collecting device 2, a supporting members 4 are disposed in a direction of eaves and ridge on the upper surface of insulating materials 3 placed on a roof, and a light-transmissible material 5 is disposed between the members 4, 4, and a water-flow board 7 and a solar heat collecting body 1 are located in a solar heat collecting space 6 formed by the material 3, the members 4, 4, and the material 5. The collecting body 1 is composed of metallic fiber material which is prepared by forming fibrous or ribbon-shaped matallic material into a wool-like form having such density as to provide air- permeable fine voids, thereby forming it into a mat-like shape. As a result, area in contact with air is large, and hence high heat collecting temperature can be obtained.
Patent JP-H03293466-A (JP)
Title: Antiskid treatment method of ceramic product
Inventor: ITO TAKETO
IPC: E04F13/14
Filed: 1990-04-10
Abstract: PURPOSE:To form a permanently antiskid uneven surface through a simple process by a method wherein a material having a melt point higher than a baking temperature and a material having a melt point lower than the baking temperature are respectively pelletized to mix together the pellets, and the mixture is pressed against a ceramic product ground surface to cover the ground surface therewith, and baking is applied thereon. CONSTITUTION:Wet pelletizing is applied on given materials to prepare a high melt point material 1 with a size of 0.1-2mm and a low melt point material 2 with the same size. 80wt.% pellets of the high melt point material 1 and 20wt.% pellets of the low melt point material 2 are mixed together to prepare a covering material 3. The surface of a tile ground 4 is uniformly covered in thickness of 2mm with the covering material 3 by a press machine, and heated in a tunnel furnace in oxidation atmosphere at a high temperature for a given time. The low melt point material 2 is molten and penetrates through the pellets of the high melt point materials 1 by means of a surface tension to cover a surface thereof, and recessed dent parts 5 and protrusion parts 6 are formed in a manner to wrap the part of the high melt point material 1. This method provides a ceramic product having glossiness and a delicate pattern in addition to an antiskid function.
Patent JP-H05294641-A (JP)
Title: Device for molding optical element of glass
Inventor: KAWAKAMI KOICHI
IPC: C03B11/00
Filed: 1992-04-15
Abstract: PURPOSE:To more uniformly heat a mold and a glass material, to enlarge an aperture, to form a multi-cavity, to reduce power consumption, to increase conversion efficiency and to miniaturize a device in a device for molding glass optical element. CONSTITUTION:Barrel molds 3 and 4 for holding molds 1 and 2 are made up of electrically conductive ceramics or a carbonaceous composite material, heat is generated in the barrel molds themselves by current injection to heat the molds 1 and 2 and the glass material 9.
Patent JP-H08283414-A (JP)
Title: Production of polysilane
Inventor: YAHAGI AKIRA
IPC: C08G77/60
Filed: 1995-04-20
Abstract: PURPOSE: To obtain a polysilane having high molecular weight in high yield without causing the breakage of the main chain during the reaction by reacting a specific hydrogen-containing polysilane with an organic zinc compound and a geminal diiodine compound, thereby introducing various arbitrary substituents under mild conditions. CONSTITUTION: This polysilane is produced by mixing (A) a hydrogen-containing polysilane containing the unit of formula [R1 to R3 are each a 1-22C alkyl, an alkoxy, a (substituted)aryl or a (substituted)aryloxy; a is 0-200; b is 1-200; 0<b/(a+b) <=1], (B) an organic zinc compound of formula R4 R5 Zn (R4 and R5 are each a 1-6C alkyl) (e.g. diethylzinc hexane) and (C) a geminal-diiodine compound of formula R6 R7 Cl [R6 and R7 are each H, a 1-6C alkyl or a 6-30C (substituted)aryl] (e.g. diiodomethane). The reaction is carried out preferably by using 1 equivalent (based on the molar number of Si-H bond of the component A) of an organic zinc carbenoid synthesized from the component B and the component C and reacting the components at 0-110 deg.C.
Patent JP-H04324498-A (JP)
Title: Key driving device of automatic performance piano
Inventor: TAMOTO SHIGEAKI
IPC: G10C3/20
Filed: 1991-04-25
Abstract: PURPOSE:To simplify the structure by providing an electromagnet which is mounted on a key and shares a rotary shaft with the key and a permanent magnet which corresponds to the key. CONSTITUTION:The permanent magnet 12 is fixed to a chassis in contact with the flank of the key 13 is so as to have the S pole at the upper part, and key 13 is fixed on the rotary shaft 14 and rotates on the rotary shaft 14. The electromagnet 11 is fixed to the key 13 and shares the rotary shaft 14 with the key 13 and is fitted on the rotary shaft 14 in a balanced state slantingly at a constant angle a (0<alpha<90 deg.). When a current is supplied to the electromagnet 11 as shown by an arrow, the electromagnet 11 has the N pole at the upper part. The permanent magnet 12 has the S pole at the upper part and the electromagnet 11 slants at the angle alpha to a perpendicular line, so the electromagnet 11 receives a clockwise rotating force from the permanent magnet 12 and the key 13 rotates on the rotary shaft 14 and stops in contact with a stopper 15. When the current to the electromagnet 11 is ceased, the key 13 rotates counterclockwise on the rotary shaft 14 by an action mechanism and come into contact with a stopper 16 to stop.
Patent JP-H0235506-A (JP)
Title: Numerical controller
Inventor: HARADA TOSHIO
IPC: G05B19/18
Filed: 1988-04-20
Abstract: PURPOSE:To increase the safety by storing parameters required for the system determination of an NC device on an IC card and reading and writing the parameters form the NC device. CONSTITUTION:The numerical controller(NC) consists of a numerical control part 1 which incorporates a microcomputer 1-1, a control program memory 2, a control data memory 3, a parameter memory 4, a machining program memory 5, a machine control part 6 which incorporates a machine console panel 6-1, an information storage medium 8, an input device 9, an operation board controller 10, a display device 11, and a keyboard 12. Then the controller is provided with the IC card 13 for storing various parameters for determining the specification and a reader writer device 14 for the IC card 13. Consequently, the parameter values are read out of the IC card 13 and outputted to a control program, which is executed. Consequently, the alteration of the system and the variation of the parameters are facilitated.
Patent JP-H05184360-A (JP)
Title: Hybridoma for producing monoclonal antibody against human breast cancerous cell
Inventor: FRANKEL ARTHUR E
IPC: C12R1/19
Filed: 1992-04-15
Abstract: Murine monocionai antibodies are prepared and characterized which bind selectively to human breast cancer cells, are Ig G8 or IgMs, and when conjugated to ricin A chain, exhibit a TCID 50% against at least one of MCF-7, CAMA-1, SKBR-3, or BT-20 cells of less than about 10 nM. Methods for diagnosing, monitoring, and treating human breast cancer with the antibodies or immunotoxins made therefrom are descirbed.