baber/WOPTO huggingface dataset:
Patent JP-S61254544-A (JP)
Title: Production of 4,4,4-trifluorovaline compound
Inventor: UCHIDA KEIICHI
IPC: C07C67/00
Filed: 1985-05-02
Abstract: PURPOSE:To obtain the titled compound in high stereo-selectivity, by reacting 3-methyl-4,4,4-trifluorobutanoic acid ester with an alkali metal amide, reacting the product with an electrophilic reagent, converting the OH group to NH2 group, and hydrolyzing the product. CONSTITUTION:The objective 4,4,4-trifluorovaline can be produced by (1) reacting 3-methyl-4,4,4-trifluorobutanoic acid ester with an alkali metal amide to obtain an alkali metal enolate, (2) reacting with an electrophilic reagent such as the complex of a heavy metal peroxide, (3) carrying out the steric inversion of the 2-carbon atom of the resultant 2-hydroxy-3-methyl-4,4,4- trifluorobutanoic acid ester, (4) converting the OH group of the obtained sterically inverted compound to NH2 group and finally (5) hydrolyzing the obtained 4,4,4- trifluorovaline ester. EFFECT:Arbitrary one of four kinds of steric isomers can be synthesized in high stereospecificity and the compound is useful especially as a synthetic intermediate for peptide, etc.
Patent JP-H08288112-A (JP)
Title: Rare-earth permanent magnet and its manufacture
Inventor: USHIJIMA MAKOTO
IPC: C22C38/00
Filed: 1995-04-19
Abstract: PURPOSE: To improve both the deterioration of the corrosion resistance and the deterioration of the magnetic characteristics by a method wherein the composit composition contents of Ga, C and O2 are specified. CONSTITUTION: The specified weights of metal Na, Fe, Ferro-B and metal Ga are weighed and melted in a vacuum to obtain an ingot. After the ingot is crushed, the crushed ingot is roughly pulverized in an inert gas atmosphere and then finely pulverized to obtain the fine powder. The contents of C and O2 are respectively adjusted during the pulverization so as to obtain high C and high O2 R-M-B (wherein R denotes at least one element among rare-earth elements including Y, and M denotes Fe or Fe and Co) magnet whose contents of C and O2 are 0.02wt.%<=C<=0.2wt.% and O2 >=4000ppm. Further, the content of Ga is 0.02wt.%-1.5wt.%. With this constitution, the R-M-B magnet whose magnetic characteristics deterioration caused by the quantities of C and O2 is suppressed can be obtained.
Patent JP-H03291069-A (JP)
Title: Camera picture quality adjusting device
Inventor: IMAMURA MASASHI
IPC: H04N9/04
Filed: 1990-04-09
Abstract: PURPOSE:To obtain picture quality in matching with a monitor of user by providing means such as automatically adjusting picture quality of a camera, displaying the state in a presettable way, storing the preset value and adjusting the picture quality of the camera depending on the data. CONSTITUTION:The picture quality of a camera 1 is automatically adjusted by a matrix circuit 4 and an encoder 5 and the state of picture quality is displayed on a display means 29 so as to be preset. The preset value is stored in a RAM 17 and a main CPU1 16 gives R-Y, B-Y hue adjustment signals 25a, 25b and R-Y, B-Y gain adjustment signals 24a, 24b to the circuit 4 to vary the color and the density of color in the circuit 4 via a camera CPU2 22 thereby adjusting the density of the color and the color of the camera. Similarly, sharpness level and contrast adjustment signals 27a, 28a are fed to an encoder 6 for the adjustment. Thus, the picture is picked up with picture quality in matching with the picture quality of a television receiver of the user to be monitored.
Patent JP-S5428535-A (JP)
Title: Clock rate control system
Inventor: TAKECHI HIROAKI
IPC: G06F13/42
Filed: 1977-08-05
Abstract: PURPOSE: To increase the overall process velocity for the bus-type information transfer processor, by changing the duration of the synchronous clock in accordance with the device when the low-speed or high-speed device receives an access. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S5428512-A (JP)
Title: Automatic sound volume adjuster
Inventor: NOZOE FUMIO
IPC: H04B1/16
Filed: 1977-08-04
Abstract: PURPOSE:To eliminate the fluctuation of the aural level caused by the channel selection of the radio set, the television set and others, by comparing the reference voltage corresponding to the desired sound volume with the aural signal level.
Patent JP-S5719603-A (JP)
Title: Device for measuring corner
Inventor: DOBASHI AKIRA
IPC: G01B21/00
Filed: 1980-07-11
Abstract: PURPOSE:To change the distance between the corner to be sensed and a sensor, by providing two sensors, and providing a driving means which moves at least one sensor with respect to the other sensor. CONSTITUTION:Two sensors 14 and 16 have different sensing directions, and sense the position of a body at the vicinity of said body or with the sensors being contacted with said body. The driving means which moves at least one sensor 16 to the sensing direction with respect to the other sensor 14 is provided. For example, a torch 12 is provided on an evacuating device 17 which evacuates the up and down sensor 16, and the welding work and the like are performed.
Patent JP-S57210740-A (JP)
Title: Frequency characteristic compensating circuit in optical analog signal transmitter
Inventor: ICHIKAWA AKIHIKO
IPC: H04B10/00
Filed: 1981-06-19
Abstract: PURPOSE:To suitably perform an optical analog signal transmission by compensating the disturbance of a frequency characteristic of an input signal at photodetection section caused by reflected light at the end of optical fiber with the same circuit independently of the length of an optical fiber. CONSTITUTION:A frequency characteristic compensating circuit introduces an optical signal from a optical transmitter 1 toward the arrowed directions (a) and (a') with a photocoupler 2 at first, the reflected light from an optical fiber end 26 is changed to the arrowed directions (b) and (b') shown in broken lines and inputted to a photodetector 4 and converted into an electric signal, and then inputted to a non-inverting input terminal of an operational amplifier 11 through  a variable adjusting resistor 16. The section 1 makes operation between an input signal applied to a non-inverting input terminal of the operational amplifier 11 and a signal inputted to the said inverting input terminal, and converts the result into an optical signal with a light emitting element 13 via a driving circuit 12 and transmits the signal to the photocoupler 2.
Patent JP-H04323947-A (JP)
Title: Automatic gain adjustment system
Inventor: UMIGAMI SHIGEYUKI
IPC: H04M1/00
Filed: 1991-04-24
Abstract: PURPOSE:To receive a signal at an optimum level momentarily from the start of a receiver at a subscriber side by taking notice of the presence of any signal input in a station and a subscriber device with respect to the automatic gain adjustment system in the burst transmission system. CONSTITUTION:An input level of a reception signal is compared with a reference level set by a reception level detection means 2 to detect the level of the reception signal in advance. The result of level detection is stored in a reception level storage means 3 while being sequentially revised. When a line interconnecting a station and each subscriber device is active and a receiver reaches the talking state, level information is read from the reception level storage means 3 and a reception section 4 adjusts the gain of the reception signal immediately.
Patent JP-H05287954-A (JP)
Title: Window regulator
Inventor: SEKIZAWA TADASHI
IPC: B60J1/17
Filed: 1992-04-14
Abstract: PURPOSE:To increase a reversing-proof force. CONSTITUTION:A driven gear is rotated by a handle, and a window glass sheet is moved up or down by a window regulator, and a stopper 4 to be elastically deformed having a roughly-C-shaped cross-sectional area and both end sections of U-shapes is set rotatably in the cylindrical containing section 31 of a easing 3. A handle shaft 5 has an operating section 53 to be set inside in the diameter direction of the stopper 4, and a pinion shaft 6 is rotatably set inside in the diameter direction of the stopper 4 and has a section 62 to be operated to confront with the operating section 53. The U-shaped sections of the stopper 4 surround the section 62 to be operated, and they are brought in contact with each other when the section 62 is rotated by the gravity of the window glass sheet, and have a wedge surface 42 to be pressed in the diameter direction, and a stopper piece 43 with a tip 43a to be cut into the casing 3 by a force from the wedge surface.
Patent JP-H04324648-A (JP)
Title: Semiconductor device
Inventor: TERUI MAKOTO
IPC: H01L23/50
Filed: 1991-04-24
Abstract: PURPOSE:To obtain a lead frame having large freedom of design and high general-purpose properties which can arbitrarily select the respective leads of power supply leads, grounded leads, and signal leads, in devices whose lead arrangements are different, by forming a first, a second, and a third conductor layers so as to interpose insulating films between said layers. CONSTITUTION:A first conductor layer 101 is formed which has a first region and a second region. A first terminal of an IC chip 111 is connected with the first region. A first lead 201 is connected with the second region. The upper part between the first region and the second region is covered with a first insulating film 103. A second conductor layer 105 is formed which has a third region and a fourth region and is formed on the first insulating film 103. A second terminal of the IC chip 111 is connected with the third region. A second lead 203 is connected with the fourth region. A third conductor layer 109 is formed which has a fifth region and a sixth region and is arranged on the second conductor layer 105 via a second insulating film 107. A third terminal of the IC chip 111 is connected with the fifth region. A third lead 205 is connected with the sixth region.
Patent JP-H09283156-A (JP)
Title: Lithium ion conductive solid electrolyte and its manufacture
Inventor: TAKADA KAZUNORI
IPC: H01M10/0562
Filed: 1996-04-16
Abstract: PROBLEM TO BE SOLVED: To provide a lithium ion conductive solid electrolyte which displays superior electrochemical characteristics such as high ion conductivity, low electron conductivity, and the like. SOLUTION: Lithium hydroxide and gas-like sulfur source are allowed to react at 130 deg.C or more and less than 445 deg.C so as to be used as lithium sulfide for obtaining solid electrolyte after reacting with silicon sulfide. As the gas-like sulfur source, hydrogen sulfide, or sulfur vapor containing hydrogen. As the silicon sulfide for obtaining the solid electrolyte after reacting with the lithium sulfide, silicon powder is added to fused sulfur, and is stirred so as to be dispersed in the sulfur, and the silicon powder-dispersed sulfur is heated in a pressure-reduced reaction vessel so as to be synthesized and used. The mixing rate of the silicon and the sulfur is set to 1:2.2 to 1:3.6 in mole ratio, and a heating temperature in the reaction vessel is set to 400 deg.C or more and less than 800 deg.C.
Patent JP-H05288699-A (JP)
Title: Infrared ray flaw detector
Inventor: SENBA TAKASHI
IPC: G01N25/72
Filed: 1992-04-14
Abstract: PURPOSE:To detect shallow flaws by utilizing the inversion of a signal of a flaw part just under a heater in that thermal conductivity is slow even if the flaw part is heated in the case where a material to be measured is non-magnetic within an infrared ray flaw detector. CONSTITUTION:In the case where a material to be measured 1 is non-magnetic, the detection position of an infrared ray detector 6 is made just under a heater 3 and a signal inversion circuit 9 inversing the output signal of the infrared ray detector 6 is provided. The output thereof is processed to conduct flaw judgement within a signal processing circuit 9.
Patent JP-H07304723-A (JP)
Title: Acylcarbamate having hydroxy group and production thereof
Inventor: YABUTA MASAMI
IPC: C07D207/408
Filed: 1994-05-06
Abstract: PURPOSE:To obtain a low-molecular weight compound having one hydroxy group and one acylcarbamate group in a molecule useful for introducing an acylcarbamate group into other material. CONSTITUTION:A compound of formula I (R<1> is a 2-12C alkylene which may 1-8C alkylene, an arylene or an alkenylene; R<3> is a 1-18C alkyl or aryl which may contain 0, e.g. N-[2-(2-hydroxyethoxycarbonyl)-benzoyl] carbamic acid ethyl ester. The compound is obtained by reacting an N-alkoxycarbonyl cyclic imide of formula II with a diol of formula III at an equivalent ratio of 1: <=3, preferably in the presence of a basic catalyst. The compound of formula I can be obtained in a high yield by suppressing production of a compound having diol whose both ends are acylcarbamated using the method.
Patent JP-S59215924-A (JP)
Inventor: PATORITSUKU RII RICHIYAADOSON
IPC: F02B77/08
Filed: 1984-05-11
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-S57208647-A (JP)
Title: Optical disk for recording of information
Inventor: MURAKAMI HIROYASU
IPC: G11B7/12
Filed: 1981-06-18
Abstract: PURPOSE: To increase the recording density and to allow the tracking control at a high speed and with high accuracy, by forming previously a recording track with a bit train containing the clock bits with a prescribed space and giving previously the track number information at a prescribed position of the recording track.  
     CONSTITUTION: A recording track 3 containing the clock bit trains 2 with a certain interval P of 8 bits is formed previously on the surface of an optical disk 1, and at the same time the track number information 4 is given previously at a prescribed position of the track 3. The date 5 of 8 bits is recorded between the clock bits 2. In the reproduction mode, the reflected light of the focused light on the track 3 is detected by a 2-split photodetector 20. Then the tracking control is performed at a high speed and high accuracy via a tracking servo circuit 24 and by the output of the detector 20. On the other hand, the reproduced information is obtained from the output of an adder 28 based on the synchronizing clock delivered through the adder 28, a separating circuit 29 and a synchronizing clock producing circuit 30. In the same way, the recording is carried out with high density. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H03292111-A (JP)
Title: Unidirectional arrangement hybrid reinforced fiber sheet, production thereof and reinforcing method for structure
Inventor: SAITO MAKOTO
IPC: B32B9/00
Filed: 1990-04-10
Abstract: PURPOSE:To enable reinforcement excellent in workability in a reinforcing field and to enhance rupture strength of a structure and to prevent a crack by unidirectionally arranging and providing a first reinforced fiber high in rigidity and a second reinforced fiber high in toughness via an adhesive layer on one-side face of a substrate sheet. CONSTITUTION:A unidirectional arrangement hybrid reinforced fiber sheet 1 is constitut ed of a substrate sheet 2, a first reinforced fiber 4 high in rigidity and a second rein forced fiber 6 high in toughness which are unidirectionally arranged and bonded on one-side face of the substrate sheet 2 via an adhesive layer 3. Reinforcement is performed by impregnating the reinforced fiber 4 and 6 with room temp. setting type matrix resin in a reinforcing field such as a bridge and an elevated road and leaving this reinforced fiber to stand while sticking it to the reinforcing part of a structure and curing the matrix resin. Further the first fiber 4 has rigidity of >=5 ton/mm<2> modulus of elasticity and the second reinforced fiber 6 has breaking extension of at least 1.2%. Moreover this reinforced fiber 6 preferably has toughness larger than the breaking extension of the first reinforced fiber 4 by at least 20%.
Patent JP-H11290746-A (JP)
Title: Discharge passage structure of fluid
Inventor: IKUSHIMA KAZUMASA
IPC: B05C5/00
Filed: 1998-04-07
Abstract: PROBLEM TO BE SOLVED: To uniformalize a discharge quantity at all discharge port etc., by providing plural step flow passage branching parts branching the flow passage between one inlet of the fluid and plural discharge ports and making each length of the branched passage in each flow passage branching part almost equal. SOLUTION: The liq. flowed into the passage from on inlet joint 1 being the fluid inlet is branched to two branched passages 8 uniform and having equal length at one flow passage branching part 7 provided at the first step branching step 2. The liq. is allowed to flow from the branching parts 8 to two flow passage branching parts 9 provided at the second step branching step 3, and the liq. is branched to two by two branched passages 10 uniform and having equal length at these branching parts 9. Then the liq. is branched to four by four branched passages 12 having almost equal length at four flow passage branching parts 11 formed at the third step branching step 4, and moreover, the length of the branched passages are made almost equal between one another of each flow passage branching part placed in the same branching step.
Patent JP-S58211815-A (JP)
Title: Weld wire cutting-off device
Inventor: FUKUKAWA YOSHIAKI
IPC: B23D17/06
Filed: 1982-06-02
Abstract: PURPOSE:To simultaneously cut off a plurality of weld wires under prescribed conditions by allowing opposing blades to be energized by means of a fluid pressure cylinder to rock and force-cut the wires. CONSTITUTION:A blade 12 has a wedge-shaped section sharpened in its tip edge and its cutter blade to be forcedly pushed down and engaged with any workpiece is formed longer in the edge direction, so that said blade is simultaneously engaged with a plurality of wires W to be cut. In a initial cutting-off process, the wire is force-cut while pressing down the wedge-shaped blades 12, 12 on the wire from the right and left, so that the cut end of the wire W is formed into a sharp shape. In the next cutting-off process, the wire comes in a state of being shorn because only the one blade advances getting in the work, so that a force- cut part is cut off without fail.
Patent JP-S60240324-A (JP)
Title: Device for controlling elongation in iron and steel rolling line
Inventor: NAKAGAWA YOSHIAKI
IPC: B21B37/56
Filed: 1984-05-14
Abstract: PURPOSE:To provide a device for controlling elongation enabling the response to elongation better by adding with a feed.forwarding a rolling reduction correcting signal corresponding to a line speed to the standard rolling force. CONSTITUTION:A rolling force correcting device 21 corresponding to the speeds increased or decreased in the line is prepared for the elongation control of a strip 2 in iron and steel rolling line. The device 21 then outputs a rolling force correcting signal for the compensation of elongation by multiplying the speed signal outputting from a pulse oscillator 5 fitted to a pridal roll driving motor 4 at the inlet side by the prescribed control gain. Since the rolling reduction correcting signal according to the line speed is made to be added to the standard rolling force with a feed.forwarding by said constitution, the response to elongation due to the speed increase and decrease of a line is improved and the elongation control of a strip having high accuracy is obtd.
Patent JP-H05289621-A (JP)
Title: Original picture holder
Inventor: TSURUTA SANAE
IPC: G09F13/18
Filed: 1992-04-15
Abstract: PURPOSE:To effectively utilize light for display or photographing by providing a light-transmissive top surface plate to hold the original picture with a support plate and forming light collection surfaces on the peripheral surfaces of the top surface plate. CONSTITUTION:This original picture holder consists of a reverse surface plate 1, the top surface plate 2 put on the top surface of the original picture A arranged having its reverse surface in contact with the reverse surface plate 1, and a fixation frame 3 wherein the reverse surface plate 1, original picture A, and top surface plate 2 are fitted to hold the original picture in a sandwiched state. The reverse surface plate 1, top surface plate 2, and fixation frame 3 are all formed of transparent acryl plates. The top surface plate 2 consists of an inside plate 2A and an outside plate 2B and the light collection surfaces 4 for guiding light in sideways are formed on the entire peripheral surfaces. The light is made incident from the light collection surfaces 4 of the top surface plate to make the lighting to the original picture A more diverse than a case wherein the original picture A is lighted only from the front, thereby making the representation of the original picture A rich and diverse.
Patent JP-H02275164-A (JP)
Title: Friction continuously-variable transmission
Inventor: OKAMURA KIKUO
IPC: F16H15/52
Filed: 1989-04-14
Abstract: PURPOSE:To increase the wedging operation of a conical rotor by making the transmission surface of the conical rotor to which a large diameter transmission element is friction-contanted in a concaved conical surface, and keeping the vertical angle of a conical surface to friction-contact to the inner surface of a speed change ring, the vertical angle of the concaved conical surface, and the difference between the both vertical angles in a specific relation. CONSTITUTION:While a conical rotor 10 has a conical surface 12 to friction- contact to the inner surface of a speed change ring 11, it is friction-contacted to a large diameter transmission element 13 and to a small diameter transmission element 14. That is, the conical rotor 10 is held at three points, the speed change ring 11, the large diameter transmission element 13, and the small diameter transmission element 14. When the vertical angle of the conical surface 12 is made theta, and the vertical angle of a concaved conical surface 15 of the conical rotor 10 is made phi, a condition is given to them as 150>=theta>=130 deg., 170 deg.>=phi>=150 deg., and 40 deg.>=phi-theta>=20 deg.. By satisfying this condition, the wedging operation by the conical rotor 10 is made stronger while keeping a thrust applied to the conical rotor 10 small, and the transmission efficiency is improved.
Patent JP-H03292734-A (JP)
Title: Formation of si single crystal thin film
Inventor: YAMAGATA KENJI
IPC: H01L21/205
Filed: 1990-04-10
Abstract: PURPOSE:To control idealy the setting of the orientation of a specified face of Si single crystal thin films and to form the Si single crystal thin films, which are dielectrically isolated from one another at an arbitrary portion or are continued, by a method wherein a complete signal crystal film having the oritentation of a specified face is grown on a substrate containing SiO2 as its component. CONSTITUTION:The surface of a 4-inch (100) Si wafer 11 is oxidized up to a depth of 0.5mum and an insulator layer 12 is formed. Then, a SEG crystal is provided in opening parts 13 on the wafer 11, is grown until the surface of the SEG crystal becomes the same surface as that of the layer 12 and the opening parts 13 are filled with the SEG crystal 14. Then, the surface, which becomes flat by the SEG crystal, of the wafer 11 is made to closely adhere to the flat surface of a 4-inch melted quartz wafer 10 to form an interface 15 and (after the wafer 10 is made to adhere to the wafer 11, the side of the wafer 11 to the adhering wafer 10 is polished.) Thereby, a multitude of Si single crystal thin films, which are respectively 0.5mum in thickness, 50mum in longitudinal and lateral lengths and is a SEG film 14 of the orientation of a face (100), are formed on the quartz substitute 10 in a state that they are dielectrically isolated from one another.