baber/WOPTO huggingface dataset:
Patent JP-H08237044-A (JP)
Title: Push-pull circuit
Inventor: MATSUURA SATOSHI
IPC: H03F3/30
Filed: 1995-02-28
Abstract: PURPOSE: To realize a push-pull circuit provided with an output suppression function whose operation is made stable by using a high speed transistor(TR) with low dielectric strength. CONSTITUTION: A couple of feed back circuits connected in parallel are provided, which are made up of a buffer amplifier 11, DC power supplies 12, 13, TRs 3, 4 connecting to an emitter common connecting point of TRs 1, 2 in complementary connection in a push-pull circuit. The buffer amplifier 11 is of a high input impedance. The negative pole of the DC power supply 12 is connected to the buffer amplifier 11 and the positive pole of the DC power supply 13 is connected to the buffer amplifier 13. The TR 3 is of the same conduction type as that of the TR 1 and its base connects to the positive pole of the DC power supply 12 and its emitter connects to a collector of the TR 1 in series. The TR 4 is of the same conduction type as that of the TR 2 and its base connects to the negative pole of the DC power supply 13 and its emitter connects to a collector of the TR 2 in series.
Patent JP-S58180211-A (JP)
Title: Filtering cylinder and its manufacture
Inventor: SUEZAWA MICHIAKI
IPC: B01D29/46
Filed: 1982-04-19
Abstract: PURPOSE:To provide a filtering cylinder made of an easily available construction material, possible of industrial production and having high durability, by forming an aggregate into a spirally cylindrical shape having the prescribed pitch and diameter, and inserting fibers densely between the aggregates. CONSTITUTION:An aggregate 1 made of a thermoplastic synthetic resin is formed into a spirally cylindrical shape, and fibrous filter medium 2 is inserted densely between the aggregates 1 to form a filtering cylinder 3. The aggregate 1 has a Z-shaped cross section, and a fluid is passed through gaps formed between adjoining aggregates 1 and 1. Further, both of activated carbon and silica gel are distributed in the filter medium 2. One open end of the filtering cylinder 3 formed by said procedure is closed by a plug-plate 5, and a sirocco fan is attached to the other open end of the cylinder 3, which is installed in a room. When the fan 6 is driven to exhaust the air in the cylinder to the outside, the air in the room is passed through the gaps between the aggregates and the fibrous filter medium 2. Thus, a deodorizing and adsorbing effect is obtained.
Patent JP-H03263269-A (JP)
Title: Logical simulation system
Inventor: KURASHITA MASAHIRO
IPC: G06F17/50
Filed: 1990-03-14
Abstract: PURPOSE:To generate a simulation model with a small number of gates by grouping a register and the gate comprising a logic circuit to gate groups, and generating simulation by allocating each group to each node. CONSTITUTION:A level attaching means 2 performs the level attachment of an input terminal I and the registers REG1 and REG2 at level 1, an OR gate OR1 and AND gates AND1 and AND2 at level 2, and furthermore, the AND gate AND2 and OR gates OR2 and OR3 at level 3 by inputting the logic circuit 1. A grouping means 3 collects and performs the grouping of the registers in the logic circuit to register groups, and also, collects and performs the grouping of the gates with the same level and same kind to the gate groups with the means 2. An allocation means 4 allocates grouped register groups and gate groups to the node at every group, and also, generates the simulation by attaching a register function on the node allocated to the register group, and a gate function held with the gate comprising the gate group.
Patent JP-S51141535-A (JP)
Title: Pattern identifying device
Inventor: NAKANO YASUAKI
IPC: G06K9/62
Filed: 1975-06-02
Abstract: PURPOSE: In a pattern identifying device using the standard pattern expressed as a broken line series pattern, this is to prevent coordination between an unknown pattern and the standard pattern of different category. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-H04278258-A (JP)
Title: Acoustic circuit
Inventor: HIRANO MUNEYOSHI
IPC: G11B19/02
Filed: 1991-03-05
Abstract: PURPOSE:To make the tempo of a rhythm correspond to musics before and after the rhythm automatically by recording the rhythm for avoiding the intermission of sound between the musics at the same time when a plurality of musical compositions are recorded on a tape. CONSTITUTION:The tempo of a regenerated musical composition is detected with a tempo detecting means 2 before the end of the music. A tempo T1 of the regenerated music is held in a memory 14. When the play of the music is finished, the rhythm is regenerated at this tempo. After the regeneration of the music is finished, the tempo of the next musical composition is detected. A tempo T2 of the next music is held in the memory 14. The tempo of the rhythm is slowly changed until the tempo of the rhythm becomes equal to the tempo of the next music. When the tempo of the rhythm becomes equal to the next music, the regeneration of the next music is started.
Patent JP-H0599835-A (JP)
Title: Device for measuring air permeability of cloth band
Inventor: RUUTOBUIHI KIISU
IPC: G01N15/08
Filed: 1992-02-06
Abstract: PURPOSE: To prevent erroneous measurement by controlling the variation of the gas permeability of a cloth belt to be inspected within a measuring range when the gas permeability changes at the time of performing measurement within the measuring range by installing an adjustable thin piece, like an iris diaphragm to an orifice. CONSTITUTION: An instrument for measuring gas permeability of cloth belt is provided with a test head section 2 which can be placed on a cloth belt in an airtight state, is connected to an air conduit 3, and sucks or blows out an air flow to be measured through the cloth belt and an air flow measuring instrument which is provided in the air conduit 3 and composed of an orifice and pressure gauges connected to the conduit 3 on both sides of the orifice.
Patent JP-H11292809-A (JP)
Title: Continuous production of dimethylvinylcarbinol
Inventor: KIEFER MATTHIAS DR
IPC: C07C33/02
Filed: 1999-03-11
Abstract: PROBLEM TO BE SOLVED: To provide a simple, inexpensive and extremely selective method for continuously producing pure dimethylvinylcarbinol(DMVC) from prenol provided with a high space time yield. SOLUTION: (a) The formation of a liquid two-phase mixture in a reactional mixture is avoided during a reaction as far as possible, (b) a formed DMVC is distilled in a reflux ratio of at least 2 and (c) the reactional volume and/or the amount of the prenol added per h and/or the concentration of a protonic acid in the reactional mixture are set so as to provide the product of the quotient obtained by dividing the reactional volume divided by the prenol volume added per h and the proton concentration in the reactional mixture defined as a residence time concentration coefficient with a value of 0.001 h.mol/L to 1 h.mol/L in a method for continuously reacting the prenol with an aqueous solution of the protonic acid in a still or a rectifying column while distilling off the DMVC formed in the state of an azeotropic mixture with water and thereby producing the DMVC.
Patent JP-H04277633-A (JP)
Title: Die bonding method
Inventor: IGARASHI YOSHIHIDE
IPC: H01L21/52
Filed: 1991-03-05
Abstract: PURPOSE:To maintain the regulated thickness of solders by the diebonding of a semiconductor chip. CONSTITUTION:A leadframe 5 is transferred over a heated guide rail 6. A solder 7, which is preliminarily provided on a part of the leadframe 5, is melted over the transfer, and a die 1, which is held by a vacuum-sucking collet 2 over a predetermined position of the transferred solder, is die-bonded on the solder 7. During the die-bonding, a constant load is applied over the die, and cold air is sprayed around the solder with the collet 2 being fixedly positioned so that the solder can attain a target thickness, thereby cementing the solder.
Patent JP-S60210876-A (JP)
Title: Manufacture of semiconductor device
Inventor: NISHITANI AKITO
IPC: H01L21/265
Filed: 1984-04-04
Abstract: PURPOSE:To obtain the titled device having a high-accuracy side wall by a method wherein an Si substrate and an isolation oxide film layer are coated with a layer of substance for side wall formation, and ions are implanted over the whole surface; thereafter, the substrate and the oxide film layer are exposed by etching. CONSTITUTION:A thick oxide film 2 is formed on the element-isolating region (a) in the periphery of the P type Si substrate 1, and the element-forming region (b) surrounded thereby is coated with a thin gate oxide film 3. Next, a polycrystalline Si layer 4 serving as the gate electrode is provided on the film 3 left by patterning the film 3, and an N<-> type diffused region 7 is formed around the electrode 4 by implanting ions by using the si layer as a mask. Thereafter, the whole surface is covered with an SiO2 film 8 for side wall formation, and <11>B<+> ions are implanted at an implanting voltage of 50eV and an implanting amount of 1X10<15> ions/cm<2>. In such a manner, the film 8 is changed into an SiO2 film 8 resulting from ion impact with no effect on the specific resistance of the substrate 1, and the side wall 5 is left around the electrode by reduction of the film thickness in the region (a).
Patent JP-H09260821-A (JP)
Title: Soldering land for surface-mount parts
Inventor: NISHITANI MASAMI
IPC: H05K3/00
Filed: 1996-03-22
Abstract: PROBLEM TO BE SOLVED: To provide a mounting quality-improved soldering land for surface- mount printed boards usable for various electric apparatus whereby the wrong connection of differentpotential patterns at lower portions of mounted parts is eliminated and adequate solder strength is provided. SOLUTION: A slit 12 is formed through a parts land 11, a cream solder 16 is laid on the land 11, a component of parts 18 is mounted, allowing the solder to be extruded from the end face of the component by the pressing force in the direction of arrow D and discharged through the slit 12 away from a conductive part 17, thus avoiding staying the solder 16 in the component and preventing the shorting of the land 11 to the conductive part 17.
Patent JP-S61224797-A (JP)
Title: Color temperature information forming device and image pickup device
Inventor: SUZUKI MASAO
IPC: H04N9/73
Filed: 1985-03-29
Abstract: PURPOSE:To eliminate the influence due to the flickering of a light source and to obtain the color temperature information of an object in a short time without fail by sampling the color measuring information output of plural color sensors by the period shorter than 1/4 period of the commercial electric source and applying the signal obtained by the sampling. CONSTITUTION:An R component and a B component of the light from the object under the light source are respectively detected by an R sensor 2 and a B sensor 3, and the signal of l o g i R and iB compressed respectively from logarithm compressing circuits 4 and 5 is outputted. The ratio of the l o g i R and iB is obtained by a differential amplifier 6 of a calculating block 14, the high frequency component of the iR/iB is removed by an LPF 16, and applied to an A/D converter 10. The converter 10 is driven by the output of a synchronizing circuit 15 to drive an element 1, and sampled in a period shorter than 1/4 period of the commercial electric power source. The output of the converter 10 is calculated by a microcomputer 11, control signals CRD and CBD are outputted, an analog conversion is executed by D/A converter 12 and the white balance of the output of the element 1 is adjusted by R and B signal amplifiers.
Patent JP-S63232107-A (JP)
Inventor: FUKUDA MASAO
IPC: B65B9/213
Filed: 1987-03-20
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-S58183744-A (JP)
Title: Resin composition
Inventor: TOKA YUUZOU
IPC: C08L71/02
Filed: 1982-04-20
Abstract: PURPOSE:To prepare a resin composition having a specific composition and excellent mechanical properties, electrical properties, chemical resistance, surface gloss, etc., by compounding a polytetramethylene terephthalate with a polyester polyether block copolymer. CONSTITUTION:The objective composition is composed of ( I ) 99-5wt% of polytetramethylene terephthalate and (II) 1-95wt% of a polyester polyether block copolymer composed of (A) a dicarboxylic acid mixture consisting of (i) 50- 100mol% of terephthalic acid and (ii) 50-0mol% of isophthalic acid, (B) a diol mixture consisting of (iii) 5-95mol% of the glycol of formula (R1 and R2 are H or 1-4C alkyl provided that R1 and R2 are not H or CH3 at the same time) and (iv) 95-5mol% of tetramethylene glycol and (C) a polyalkylene ether glycol having a number-average molecular weight of 500-3,000, wherein the amount of the component (C) is 5-50wt% (in terms of phthalate) based on the whole copolymers.
Patent JP-S59191837-A (JP)
Title: Control and display device for humidity
Inventor: IWAHASHI HIROSHI
IPC: F24F11/02
Filed: 1983-04-14
Abstract: PURPOSE:To control accurately an atomizer and a dehumidifier and to display accurately existing humidity, by driving the titled device by a humidity sensing element and constituting a system having a rotary plate having a transmission part of a ray on its external fringe, an emitting element and a light receiving element. CONSTITUTION:An external end 8b of a humidity sensing element 8 is fixed to a circular rotary disc 9 on which a first - a third transmission parts 9a, 9b, 9c of rays are formed by making notches ranging 0-30 deg., 60-90 deg., 210-270 deg. on an external fringe. A light emitting element 13 and a light receiving element 14 are faced each other by photointerrupters 11a, 11b. Light emitting diodes 6a-6d corresponding in order to ON-OFF signals from the luminous element 13 to the light receiving element 14 to be generated through interruption of light positions 12a, 12b of the photointerrupters 11a, 11b by an external fringe of the circular rotary disc 9 are made to light through the ON-OFF signals by a decoder. As for humidity control, ON-OFF of humidification of a main body 1 is made to do through an output of the light emitting diodes 6a-6d for display of humidity.
Patent JP-S59192927-A (JP)
Title: Temperature measuring device
Inventor: YAMAMOTO YASUHIRO
IPC: G01K1/02
Filed: 1984-04-02
Abstract: PURPOSE:To simplify a display part and to reduce its cost by displaying data other than numbers on a display means and displaying abnormality of a sound measuring element on the generation of an abnormality signal by a detecting means. CONSTITUTION:The output of the sound measuring element 1 is sent to an A/D converter 3 through an amplifier 2 and encoded there into a BCD code, and this digital signal is sent to a decoder 4. The decoder 4 converts it into a code for number display and the code is sent to a driver circuit 5. Consequently, a number display device 6 displays the temperature measured by the element 1 digitally as a number. Further, an abnormality detecting circuit 7 is connected to the element 1, and when abnormality of the element 1 is detected by the circuit 7, an open trouble signal and a short-circuit trouble signal are sent to the decoder 4. The decoder 4 outputs a specific signal showing trouble when inputting those signals. Consequently, the device 6 displays data other than numbers.
Patent JP-H05273605-A (JP)
Title: Optical switch
IPC: G02F1/313
Filed: 1992-03-24
Abstract: PURPOSE:To obtain the optical switch which is small in size, low in driving voltage, good in productivity and is excellent in terms of an insertion loss. CONSTITUTION:A non-doped InP layer 15, a p-InP clad 16, a second core 5, a first core 8 and an InGaAsP etching stop layer are laminated on a semi- insulating InP substrate 14 and the width of the second core 5 is set narrower than the width of the first core. At least two n-InP clads 18 wider than the width of the second core 5 are disposed on the etching stop layer. The spaces between these clads 18 are filled with a semi-insulating or non-doped InP filling layer 4.
Patent JP-S56164634-A (JP)
Title: Temporary stop circuit for program reservation operation in radio receiver with program reserving function
Inventor: YAMADA SHIGERU
IPC: H04B1/16
Filed: 1980-05-21
Abstract: PURPOSE:To make possible the stop of a program reserving function temporarily with a simple operation, by turning off a program reserving data line. CONSTITUTION:By turning off a switch 5 provided on the way of a data line 6 from a program reserving storage circuit 4 to a comparator circuit 2, one input of the comparator circuit 2 is cut off, and the program reserving function to a radio circuit 1 can temporarily be stopped. But, the data of the program reserving storage circuit 4 can be stored without being erased.
Patent JP-S52150655-A (JP)
Title: Switching circuit of digital watches
Inventor: KUME KAZUNARI
IPC: G04G5/00
Filed: 1976-06-09
Abstract: PURPOSE:To perform the correction of a watch with simple operations by displaying correcting digits through pressing of a switch, changing digit display at every given second time and correcting the desired digits.
Patent JP-S61227465-A (JP)
Title: Picture reading and recording device
Inventor: IJUIN KAZUYA
IPC: H04N1/00
Filed: 1985-04-01
Abstract: PURPOSE:To prevent the discontinuity of density by providing a storage means storing the picture information read from an original in the unit of one or more of originals. CONSTITUTION:A motor 5 is driven in the direction X by a microprocessor CPU via a drive section DRV, the picture information of the original 1 is read by a read section RDR via a lens system LL, stored once in a memory FIFO, the motor 5 is driven in the direction Y, a recording member 3 is fed and the information stored in the memory FIFO is read and recorded on the recording member 3 via a recording section PRT. The data is converted into a run length by the information compression system, the picture information is read until the memory FIFO is occupied and then read and recorded, then the number of lines read and recorded once is increased remarkably, then the discontinuous boundary of the density produced at recording is reduced.
Patent JP-S542284-A (JP)
Title: Production of calcium tungstate fluorescent substance
Inventor: KUBO RIYOUICHI
IPC: G03C1/725
Filed: 1977-06-08
Abstract: PURPOSE: To obtain a CaWO 4  fluorescent substance having a narrow grain size distribution and a desired average grain size by mixing a reaction product, CaWO 4  precipitate with a soln. of an alkali chloride in an amt. corresponding to the desired average grain size of the fluorescent substance after which the mixt. is dried, calcined, and washed to remove the alkali chloride. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S56163745-A (JP)
Title: Lecithin composition having superior water dispersibility
Inventor: FUJIWARA SHINGO
IPC: C09K23/14
Filed: 1980-05-20
Abstract: PURPOSE: To obtain a transparent lecithin composition of superior water dispersibility by compounding ethanol and water in lecithin at a specific ratio and uniformly compounding these as a lecithin composition.  
     CONSTITUTION: Ethanol and water satisfying 2≤x≤15, 0≤y≤x+1, 0≤y≤4/(x- 5.5)+1.5 (where ethanol =xwt%, water=ywt%,) are compounded uniformly in lecithin, thereby preparing the lecithin composition. This lecithin composition is good in water dispersibility, disperses easily in water simply when agitated therein, and is transparent and stable; therefore, it is effectively usable as an emulsifier. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S60211528-A (JP)
Title: Key input device
Inventor: INOUE MASARU
IPC: G06F3/02
Filed: 1984-04-05
Abstract: PURPOSE:To prevent surely chattering of key input by neglecting the succeeding key input only when the same key is inputted consecutively within a prescribed time and making both key inputs effective when different key inputs take place successively. CONSTITUTION:When a key input exists from a keyboard 4, a chattering flag FG in a RAM13 is set and a numeral N is set to a time counter 23. When the next key input exists before the value N of the counter 23 is not zero, the flag FG remains set, and the data of a register 20 inputted at present and the content of a check buffer memory 22 inputted before are compared. When both the data are coincident, it is discriminated that the present and preceding key inputs are the same, the present key input data is taken as an ineffective data and its key input interruption is reset. When both the data are dissident, it is discriminated that the present and preceding key inputs are different, and the present key input data is stored as the effective data to the memory 22 in place of the preceding data.
Patent JP-S57181935-A (JP)
Title: Fuel injection device
Inventor: YAMADA KEIICHI
IPC: F02M41/12
Filed: 1981-05-06
Abstract: PURPOSE: To improve the combustion in actual operating cylinders and prevent black smoke and odors from occurring by providing suction grooves as many as a half of the number of engine cylinders on the outer circumference of a plunger and two suction holes on a pump cylinder of a distribution type fuel injection device.  
     CONSTITUTION: Suction grooves 4-1, 4-2 as many as a half of the number of engine cylinders are provided at a uniform distance on the outer circumference of a plunger 3. Two suction holes 12-1, 12-2 are provided so as to form an angle which is equal to a half of the angle formed by two adjacent suction grooves plus n (n=0 or a positive integer). The feeding or cutoff of the fuel to the suction holes is controlled by solenoid valves 13-1, 13-2. While running at an idle speed or under a low load, the fuel is cut feeding to one of the suction holes so as to reduce the number of actual operating cylinders. Thereby, the generation of incomplete combustion can be suppressed and black smoke and odors are prevented from occurring. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H02258913-A (JP)
Title: Heating furnace for rolling material and construction thereof
Inventor: KOJIMA HIROSHI
IPC: F27B9/24
Filed: 1989-03-18
Abstract: PURPOSE:To prevent temp. lowering of a rolling material and to enable renewal of a heating furnace for minimizing stopping of a mill by arranging newly a heating furnace at rear part of the heating furnace under operation and arranging a heat holding furnace between the new heating furnace and a roughing mill. CONSTITUTION:In the rolling mill train 6, the rolling material is supplied to the roughing mill 7 from the heating furnace 1 under operation through pinch rolls 5 and passed through intermediate rolling mill 8, finishing mill 9 and direct heat treatment apparatus 10 or slow cooling apparatus 11 to produce the desired wire rod product. Then, the rolling material heating furnace 2 newly set is constructed in series (same train) position at the rear part of the heating furnace 1 under operation. The heat holding furnace 4 is arranged near of a discharge hole 3 in the rolling material heating furnace 2 newly arranged and inlet of the roughing mill 7 under operation to execute temporary waiting function for the heating material by surrounding rolling material shifting means after stopping the rolling material heating furnace 1 under operation.
Patent JP-S56163411-A (JP)
Title: Progammable joy stick
Inventor: YOMODA MINORU
IPC: G06F3/038
Filed: 1980-05-20
Abstract: PURPOSE: To provide multiple outputs of complex correlation by reading out data from ROM by the output of a joy stick lever.  
     CONSTITUTION: Analog outputs X 1  and Y 1  of an X-axis potentiometer 2 and a Y- axis potentiometer 3 respectively are converted into digital signals 7 and 8 by AD converters 4 and 5 for addressing of ROM6 and cause the ROM6 to provide data X 0  and Y 0  which have previously been stored in the specified addresses. 
     COPYRIGHT: (C)1981,JPO&Japio