baber/WOPTO huggingface dataset:
Patent JP-S63318778-A (JP)
Title: Heterojunction bipolar transistor and manufacture
Inventor: MOHAMATSUDO MADEIHIAN
IPC: H01L29/72
Filed: 1987-06-22
Abstract: PURPOSE:To obtain a heterojunction bipolar transistor which is more improved in high speed and high frequency performance thereof, by providing on the surface of a semi-insulating substrate with a portion of an external area for connection of a base layer, and so forth to reduce a base-collector parasitic capacity without increasing a base resistance. CONSTITUTION:A collector layer 2 of one conductivity type which is selectively formed on the surface of a semi-insulating substrate 1, a base layer 3 of the opposite conductivity type whose an active area and a portion of an extension area for connection are respectively formed on the collector layer 2 and the semi-insulating substrate 1, and an emitter layer 4 of one conductivity type which is formed on the active area of the base layer 3 are provided, respectively. For example, a collector layer 2 of a n type GaAs is selectively formed on the surface of a semi-insulating substrate 1 of a GaAs, a base layer 3 of a p type GaAs is formed on both of a portion of the active area of the collector layer 2 and the semi-insulating substrate 2, and an emitter layer 4 of an n-type AlGaAs is formed just above the active area of the collector layer 2. Moreover, electrodes 5c, 5b and 5e are formed on the respective predetermined portions of the layers 2, 3 and 4.
Patent JP-S5388782-A (JP)
Title: Method of inspecting abnormality of surface of long material
Inventor: UMEDA SHIYUUSAKU
IPC: G01N21/952
Filed: 1976-12-24
Abstract: PURPOSE:To accurately inspect the abnormal surface of an electric cable including back surface, by photoelectrically converting reflected light on the surface of a long material by radiating rays at predetermined incident angle while scanning the rays in the direction crossing with the moving direction.
Patent JP-S6221760-A (JP)
Inventor: SHIRASAKI SHINICHI
IPC: C01G25/00
Filed: 1985-07-17
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-H09314678-A (JP)
Title: Manufacture of car interior member
Inventor: IKEGAME EISAKU
IPC: B29C65/48
Filed: 1996-05-28
Abstract: PROBLEM TO BE SOLVED: To uniformly bond a skin material to the entire surface of a base plate without leaving the levitation of the skin material though vacuum molding is adapted and generating other trouble. SOLUTION: After vacuum molding treatment is allowed to act on a base plate 2 from the mold surface of a receiving mold 10 by vacuum pressure, a lid frame 11 is applied to the skin material 1 to be combined with the receiving mold 10 to be fixed thereto. The vacuum pressure of the receiving mold 10 is changed over to air pressure and air-pressure forming treatment is applied to the mold surface of the receiving mold 10 and the interior of the lid frame 11 by air pressure balanced on the mold surface side of vent holes to prevent not only the levitation of the skin material 1 but also the generation of the cavity part caused by that a cushion pad enters the vent holes of the base plate 2 by the air pressure on the side of the lid frame 11 on the skin material 1.
Patent JP-H0320847-A (JP)
Title: Cache memory control system
Inventor: ONO MASAHITO
IPC: G06F12/12
Filed: 1989-06-19
Abstract: PURPOSE:To improve the hit ratio of a cache memory by making access to the cache memory by using a hash function by which a line address in a page can be mapped on the line address in the cache memory at random. CONSTITUTION:As the line address for the cache memory, the address, for example, in which conversion by the hash function is applied on an in-page address at a part of a page address or a segment address is set as the address for a cache directory part 32 and a data part 33. Consequently, it follows that the line address of the in-page address used actually can be mapped on the line addresses in the directory part 32 and the data part 33 at random. In such a manner, it is possible to set the working efficiency of a line at random, and to improve the hit ratio for the cache memory.
Patent JP-2000348385-A (JP)
Title: Optical recording medium
Inventor: KOIDE TETSUHIRO
IPC: G11B7/24018
Filed: 1999-06-03
Abstract: PROBLEM TO BE SOLVED: To obtain a good quality high density recording medium, in which pit spread between adjacent tracks is controlled, by providing a recording layer and a metallic reflection layer on a transparent substrate having grooves and specifying the pitch of the substrate grooves, a half value width, the depth and the radii of curvetures of the opening section and the bottom section of the grooves. SOLUTION: A recording layer and a metallic reflection layer are provided on a transparent substrate having grooves. Let the groove pitch of the substrate be p (μm), the groove half value width be w (μm) and the groove depth be d (μm). Then, the grooves are set so that 0.20p<d<0.40p and 0.35p<w<0.55p are simultaneously satisfied. Moreover, let the radii of curvetures of the opening section and the bottom section of the grooves be r1 and r2 (μm), respectively. Then, it is set so that 0.1d<r1<0.5d and 0.1w<r2<0.5w are simultaneously satisfied. Thus, a substrate having deep grooves is easily manufactured as a high density recording medium by an injection molding method with an external control.
Patent JP-H11353152-A (JP)
Title: Programmable function block
Inventor: NAKATANI SHOGO
IPC: H03K19/177
Filed: 1998-06-04
Abstract: PROBLEM TO BE SOLVED: To obtain a variety of logical functions and high-speed arithmetic functions together by combining ripple-carry dedicated logic with a high-speed multifunctional logic circuit wherein the number of series-connection stages of exclusive OR circuits is decreased. SOLUTION: A core logic circuit 4 which has only two series-connection stages of exclusive OR circuits is used and the ripple-carry logic circuit 5 dedicated to a ripple carry is combined therewith. Further, the argument inputs of the core logic circuits 4 and some of configuration memories 6 are made common to programmable function blocks. For example, a multibit computing element has one programmable function block 1 made to correspond to each bit and the ripple carry output terminal RCO of each logic block 2 connected to the input terminal RC1 of an adjacent logic block. Consequently, a ripple carry signal which is propagated between logic blocks passes through only the carry logic circuits 5, so that fast propagation becomes possible.
Patent JP-H0778281-A (JP)
Title: Portable terminal and communication system for disposing money
Inventor: JIYORUJIO PORATSUJII
IPC: G06Q20/34
Filed: 1994-07-08
Abstract: PURPOSE: To make it difficult to read and decrypt a secret code by inputting with a keyboard an access code to start a secret code generation means which generates with free changeability a secret code that is collated in a central unit and installing an IC card into a main body case to execute terminal functions. CONSTITUTION: The main body case 2 of the portable terminal which performs cash processing such as purchase, debit, credit, withdrawal, etc., is provided with a keyboard 14 and an access code to start a secret code generation means which generates with free changeability a secret code that is collated in a central unit is inputted by using the keyboard 14. In addition, an IC card 4 is installed into the main body case 2 to execute terminal functions. Then, an armored case 2 which forms a base part 3 that houses the IC card 4 is provided and a microprocessor which is connected to a data program memory is mounted inside the armored case 2. Furthermore, the IC card 4 and an interface to communicate are connected to the microprocessor.
Patent JP-S60122262-A (JP)
Inventor: REO MAAKOUKUSU
IPC: F02M31/135
Filed: 1984-07-26
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-H10299-A (JP)
Title: Inductive heating iron
Inventor: OHASHI MASAHARU
IPC: D06F81/08
Filed: 1996-06-18
Abstract: PROBLEM TO BE SOLVED: To enable to adjust the iron temperature unchanged by composing it with an iron body having a base made of thermo-sensitive metal and an iron base to supply electricity to the iron by means of high-frequency magnetic field. SOLUTION: An iron body 40 has a base 14 made of thermo-sensitive metal to change its magnetic character. An iron base 50 to heat up the base 14 is provided with a heating coil 5 to generate high-frequency magnetic field, a high-frequency inverter 10 containing a switching element 4 to feed high-frequency electricity to the heating coil 5, a controller 30 to control ON/OFF of the switching element 4 and a thermo detector (presumption means) 20 to presume the temperature of the base. The controller 30 would control the switching element 4 based on the information through the thermo detector 20. The high-frequency inverter 10 is provided with a rectifying circuit 2 to convert an AC power supply 1 into DC, a filter 3 to take off AC elements from its output, a resonance condenser 6 to compose a resonance circuit 7, a switching element 8 connected to the resonance circuit 7 and a diode 4.
Patent JP-H0715489-A (JP)
Title: Telephone set
Inventor: TOMOBE MASAHARU
IPC: H04M1/00
Filed: 1993-06-28
Abstract: PURPOSE:To hear a call tone more clearly by measuring surrounding noise from the arrival of a call to a concerned telephone set till an off-hook state and outputting a call tone for each prescribed period in a tone volume depending on the result of measurement thereby allowing a called party to hear the call tone more clearly. CONSTITUTION:A microcomputer 11 measures surrounding noise of a concerned telephone set at all times according to a program stored in a memory 10. That is, the surrounding noise inputted from a monitor microphone 8 is converted into a noise signal by a noise signal conversion circuit 9 and inputted to the microcomputer 11 as noise information. Then the noise information is confirmed not in a dialing state nor in a busy state, and a noise signal conversion table 15 of the memory 10 is referenced to correct the noise information. The noise information is averaged for each prescribed time and a gain variable adjustment circuit 5 adjusts a proper gain. Then a call tone is outputted for each prescribed period in a tone volume in response to the averaged output just before the arrival of a call in response to the arrival of the call to the concerned telephone set.
Patent JP-H066427-A (JP)
Title: Digital telephone set
Inventor: MIYOSHI HIROYUKI
IPC: H04M1/00
Filed: 1992-06-16
Abstract: PURPOSE:To provide a digital telephone set which generates no uncomfortable tone when stopping the output of a digital tone output part by detecting the zero cross point of the digital tone and controlling the output switch of a digital signal output control means. CONSTITUTION:The zero cross point of a digital tone output waveform from a digital tone generating means 14 is detected by a zero cross detecting means 1 6 and informed of a main control part 11 as a zero cross detection signal 13. At the timing when the detection signal 13 of the zero cross detecting means 16 is valid, output switches SW 1-8 of digital signal output control means 30-37 turning on the output switches at present are turned off, and the output switches SW 1-8 of the digital signal output control means 30-37 more reducing the output volumes rather than the digital signal output control means are turned on. The similar operation is performed again at the next zero cross detection timing, the output switches of the digital signal output control means 30-37 are successively changed and after the output volume is minimized, the output of the digital tone generating means 14 is stopped.
Patent JP-S5857253-A (JP)
Title: Fluorescent lamp
Inventor: NAKAMURA HAJIME
IPC: H01J61/40
Filed: 1981-09-30
Abstract: PURPOSE:To provide a double-tube-structured fluorescent lamp, in which no separations of the paint film of a phosphor or a transmitting member are caused, by applying the phosphor to the inner wall of the U-shaped inner tube of the fluorescent lamp, the outer tube of which contains the U-shaped inner tube, and applying the transmitting member to the outer wall of the inner tube or the inner wall of the outer tube. CONSTITUTION:A compact fluorescent lamp has a double tube structure, and is constituted by installing a U-shaped inner tube 4 in an outer tube 1. The inner wall of the U-shaped inner tube 4 is coated with a mixture phosphor 10 which consists of, for example, antimony, calcium halophosphate activated with manganese, megnesium arsenate and zinc silicate. Either the outer wall of the inner tube 4 or the inner wall of the outer tube 1 is coated with a selectively transmitting member 11 made of titanium oxide or the like. As a result, a fluorescent lamp, which has no fear of causing the separation of the paint films of the phosphor 10 and the transmitting member 11, can be obtained.
Patent JP-H026922-A (JP)
Title: Method for driving liquid crystal display device
Inventor: KONDO YASUSHI
IPC: G02F1/133
Filed: 1988-06-27
Abstract: PURPOSE:To increase the frequency of the driving voltage of a liquid crystal display element without increasing the operation speed of a driving IC by inverting the polarities of driving voltages applied to row-side electrodes and column-side electrodes in one-line selection time and shifting the phase by half- wave time for each frame. CONSTITUTION:The driving voltages which are applied to the row-side electrodes Y1-Yn and column-side electrodes X1-Xn are inverted in polarity in the one-line selection time Ts to increase the frequency of the composite voltage applied to an intersection of a row-side and a column-side electrode where a liquid-crystal display element is arranged by twice without increasing the operation speed of the driving IC. Further, the phase of the driving voltage if shifted only by the half-wave at every frame, i.e. as to the last frame with a period signal, so a DC component is removed. Consequently, the liquid crystal display element with a high driving frequency is usable while the driving IC is not changed.
Patent JP-H086576-A (JP)
Title: Noise reducing method and device therefor
Inventor: MIKAMI TERUO
IPC: G10K11/178
Filed: 1994-06-15
Abstract: PURPOSE:To provide a noise reducing method and its device capable of reducing both an external noise and an air-conditioning noise. CONSTITUTION:An air-conditioning noise propagating in an air-conditioning duct 14 is detected with a first sensor microphone 18 and also a playing sound coming into an air-conditioning room by transmition is detected by an external noise detector 22 and a controller 20 forms an additional sound having a phase opposite to the air-conditioning noise and having a prescribed pressure level determined according to the sound pressure level of the external noise to emit it into the air-conditioning duct 14 from the speaker 24 and changes the muffling amount of the air-conditioning noise detected with a second sensor microphone 26. That is, in the case the external noise does not come into the air- conditioning room,. the muffling amount of the air-conditioning noise is made maximum and in the case the external noise transmits into the air-conditioning room, the external noise is masked with the air-conditioning noise by changing the muffling mount of the air-conditioning noise according to the sound pressure level of the external noise.
Patent JP-S5280781-A (JP)
Title: Production of semiconductor device
Inventor: ABE SHIGEHARU
IPC: H01L21/28
Filed: 1975-12-27
Abstract: PURPOSE: To prepare a high speed switching transistor by etching the side of SiO 2  between an emitter region and a base contact region formed in proximity by means of photolithography to thereby narrow the interval between both regions. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S6049673-A (JP)
Title: Manufacture of semiconductor memory device
Inventor: OSHIKAWA YOSHIHIRO
IPC: H01L21/8247
Filed: 1983-08-26
Abstract: PURPOSE:To obtain a tunnel thin-film, defects therein are extremely few and which has excellent film quality, by using an oxide film acquired by oxidizing an epitaxial growth layer immediately after the formation of the epitaxial growth layer as the tunnel thin-film. CONSTITUTION:An inter-element insulating isolation region 12 is formed to the surface of a P type silicon substrate 11, and an element forming region 13 is demarcated. An oxide film 14 as a gate insulating film is formed to the surface of the region 13. A rewriting region 15 is demarcated to one part of the oxide film 14. An Si crystal layer 16 is shaped to the surface of the substrate 11. The surface of the Si crystal layer 16 is oxidized to form an SiO2 film 17. A first polycrystalline Si layer 18 as a floating gate is formed on the SiO2 film 17 as a tunnel thin-film. An SiO2 film 19 is formed to the surface of the Si layer 18. A second polycrystalline Si layer 20 is shaped on the Si substrate 11 containing the upper section of the SiO2 film 19, and used as a control gate. The surfaces of the Si substrate 11 are exposed to form a drain region and a source region.
Patent JP-H0523452-A (JP)
Title: Thread transferring-out/cutting device of hand stitch sewing machine
Inventor: SHIRAISHI MASANORI
IPC: D05B1/04
Filed: 1991-06-27
Abstract: PURPOSE:To automatize the device by calculating the thread feed quantity, based on sewing data inputted in advance and transferring out by controlling the transfer-out quantity of a thread transfer-out mechanism, cutting a thread by operating a cutting mechanism, and also, preparing the next cycle in the course of sewing. CONSTITUTION:When sewing data is inputted from an operating panel, an arithmetic means calculates the feed quantity of a thread, and also, calculates the driving pulse quantity of a pulse motor PM. Based thereon, a control signal is outputted to a motor driver PM1 from a control means 14a and the pulse motor PM is rotated. In such a ways a thread 2a is inserted and held by rollers 7, 8 and hangs down from a second thread guide 12. Subsequently, when a prescribed quantity is fed out, the motor PM stops and it is also stopped to feed out the thread. In such a state, an air cylinder AS operates and the thread 2a is cut with a dynamic knife 10. Sewing is executed with this thread 2a, and also, the next thread is prepared by the same procedure in the course of this sewing.
Patent JP-H01321348-A (JP)
Title: Hydrogen gas sensor
Inventor: FURUKAWA AKIO
IPC: G01N27/12
Filed: 1988-06-24
Abstract: PURPOSE:To achieve a higher selectivity in the detection of a hydrogen gas from a gas to be inspected by covering the surface of a metal oxide sintered semiconductor substrate with a thin film made of a hydrogen permeating hydrogen occluded alloy. CONSTITUTION:A metal oxide sintered semiconductor substrate 1 comprises an SnO2 powder sintered body and the surface thereof is covered with a breathing insulating film 2 such as Al2O3 at a thickness of about 1mum. It is further covered with a thin film 3 made of a hydrogen occluded alloy such as LaNi5 wherein the surface thereof has actions of absorbing and exhausting hydrogen so as to allow the permeation of hydrogen at a thickness of about 500Angstrom . The thin film 3 has a hydrogen selective permeability and hence, a hydrogen gas in the gas to be inspected permeates the thin film 3 selectively to be adsorbed on the surface of the substrate 1. Thus, an electric resistance of the substrate 1 lowers according to the adsorption of a hydrogen gas alone thereby enabling selective detection of the hydrogen gas based on a resistance value thereof.
Patent JP-S5857343-A (JP)
Title: Preparation of alkyl 4-formylbenzoate
Inventor: ABE TOSHIKAZU
IPC: C07C67/58
Filed: 1981-10-02
Abstract: PURPOSE:To obtain the titled compound in high purity and yield with suppressed side reactions, by reacting an adjusted 4-formylbenzoic acid with an alkyl alcohol in the presence of an acidic catalyst, adding a specific amount of water to the reaction mixture, and extracting the reaction product with an organic solvent. CONSTITUTION:One mole 4-formylbenzoic acid is reacted with 10-500mol, preferably 100-200mol, alkyl alcohol in the presence of an acidic catalyst, e.g. sulfuric, phosphoric or benzenesulfonic acid, in an amount of 1-15mol% based on the alkyl alcohol. Water in a volume of 3 or more times, preferably 4-10 times, that of the alkyl alcohol is added to the reaction mixture, and the resultant reaction product is then extracted with an organic solvent, e.g. chloroform or benzene, to give the aimed substance.
Patent JP-S6313109-A (JP)
Title: Composite magnetic head and its manufacture
Inventor: SATO TOSHIYUKI
IPC: G11B5/265
Filed: 1986-07-03
Abstract: PURPOSE:To obtain a composite magnetic head capable of carrying out satisfactory recording even for a high coercive force medium and having a high performance by packing a material with highly saturated magnetic flux density in the grooves formed non-parallel to the opposite surfaces of a gap between a core for recording and reproducing and a center core. CONSTITUTION:At the R/W core 1 of a ferrite composed of Mn-Zn, Ni-Zn, etc., and a center core 3, V-shaped grooves A and B are formed. At respective cores 1 and 3, a Sendust or an amorphous alloy are formed as shown by a slanting line F with a sputtering, etc., and the extra material is removed by grinding. The mirror is ground for the cores 1 and 3, a recessed groove C is formed are the non-magnetic material for forming a gap is film-formed. R/W and E cores 1 and 2 are temporarily set with instantaneous adhesives and inserted into a welding jig. A glass rod is inserted to winding windows 4 and 5, and welded integrally in a furnace. The extra glass is ground and removed, finished to the prescribed size, cut and ground and a compound magnetic head is obtained.
Patent JP-H0449885-A (JP)
Title: Slip correcting method for inverter output frequency
Inventor: ITOIGAWA NOBUO
IPC: H02P27/06
Filed: 1990-06-15
Abstract: PURPOSE:To obtain a proper slip correcting quantity over all the area of a frequency using area by having the proper function relation of a polygonal line function or the like with set frequency, and by setting a value obtained to be multiplied by slip frequency for arithmetic-detected coefficient for reducing the value of the set frequency along with its lowering. CONSTITUTION:A gain correcting section 1 is for generating the output of a function G(fm)to be processed with the input of set frequency fm corresponding with the set rotational frequency of a motor. By a slip frequency processing section 2, with the parameter input of motor primary current I and the set frequency fm, and with the previous set quantity of the non-load time value Io of the current I. and a coefficient K, the output of slip frequency with its approximate value Sfm is generated to be processed from an arithmetic equation K(I-Io).fm as shown in a figure. Besides, from a multiplying section 3, the output of corrected slip frequency is generated by multiply ing processing G(fm).Sfm. Besides, from an adding section 4, the output of inverter output frequency fi is generated by adding processing fm+G(fm).Sfm. Each arithmetic is performed on each set frequency fm to be changed to be variously set like fmn(n=1, 2, ...), and required inverter output frequency fin(n=l, 2, ...) according to the set fre quency is automatically determined.
Patent JP-S5381150-A (JP)
Title: Fine adjustment base
Inventor: ISHIHARA SUNAO
IPC: G12B5/00
Filed: 1976-12-25
Abstract: PURPOSE: To obtain a fine adjustment base capable of performing highly accurate locating by magnetically performing movement in mutually perpendiculayly intersecting directions of two sets of stages with driving elements respectively symmetrically provided on both sides of the stages without mutual interferences. 
     COPYRIGHT: (C)1978,JPO&Japio