baber/WOPTO huggingface dataset:
Patent JP-H02163972-A (JP)
Title: Thin-film transistor
Inventor: KOBAYASHI KEIZO
IPC: H01L29/78
Filed: 1988-12-16
Abstract: PURPOSE:To prevent a leakage current of a TFT from being increased by a back channel effect by a method wherein an insulating film whose thickness is a specific value or lower is formed on an amorphous silicon semiconductor at a channel rear part and a layer of an opposite conductivity type is formed on the inside surface of silicon so as to be adjacent to the insulating film. CONSTITUTION:In a thin-film transistor of an inverted staggered structure, the following are formed on an insulating substrate 10: a gate electrode 20; a gate insulating film 30; an amorphous silicon film 40; a source electrode and a drain electrode 60, 70. in this thin-film transistor, an insulating film 80 of 300Angstrom  or lower is formed on the surface of the semiconductor layer 40 at a channel rear part between the source electrode 60 and the drain electrode 70; a layer 51 of an opposite conductivity type is formed on the surface of the semiconductor layer 40 so as to be adjacent to the insulating film 80. For example, an amorphous silicon semiconductor 40 at a channel rear part is immersed in an aqueous solution of hydrogen peroxide; a silicon oxide film 20 of 300Angstrom  or lower is formed on the surface of the amorphous silicon semiconductor 40. Since the silicon oxide film 80 is formed, a P-type layer 51 is formed on the surface of the silicon 40.
Patent JP-H04176711-A (JP)
Title: Pneumatic radial tire
Inventor: TSUDA TORU
IPC: B60C11/13
Filed: 1989-12-08
Abstract: PURPOSE:To prevent the deterioration of the drainage performance and improve the eccentric abrasion performance by gradually increasing the groove width of the tread edge side groove wall of a circumferential direction groove closets to the tread edge towards a tread surface from the point close to a prescribed dimension from a groove bottom and setting the groove opened port width to a prescribed value. CONSTITUTION:Groove walls 2a and 3a on the tread edge side of a circumferential direction groove 2 closest to the outside edge of a tread and a circumferential direction groove 3 (may be only the circumferntial direction groove 2 on the outermost side) which is contiguous to the circumferntial direction groove 2 are formed in the direction spreading the groove width by the inclined surfaces 2b and 3b. In this case, the inclined surfaces 2b and 3b are formed at 10-70% of the groove depth from the groove bottom in 10-70% of the groove depth and from the position close to a tread surface 11, and the crossing angle with the normal line set on the tread surface 11 is set at about 25-60 deg.. The opened port width of the tread surface 11 is set to 3-18mm.
Patent JP-H08181794-A (JP)
Title: Modem with automatic select function
Inventor: TAKAGI MASAMITSU
IPC: H04M11/00
Filed: 1994-12-21
Abstract: PURPOSE: To select a line and an access point offering the minimum charge automatically by using a computer to refer to storage contents on the line utility charge for each communication section and telephone company. CONSTITUTION: A control microcomputer 1 reads a content of a utility charge memory 4 by a command from a computer 6 and sends it to the computer 6. The computer 6 the utility charge up to each access point of a computer network going to be accessed for each available line to decide an access point. After the access point is decided, the computer 6 sends a command to a modem to dial a telephone number of the access point and the line is connected by a similar procedure to that of a conventional modem. When a memory storing telephone numbers of access points is mounted on the modem, the modem only to select automatically the access point.
Patent JP-2001135046-A (JP)
Title: Head carriage device
Inventor: INOUE KAZUHIKO
IPC: G11B19/20
Filed: 1999-11-09
Abstract: PROBLEM TO BE SOLVED: To miniaturize a device and to secure the stability of a head carriage. SOLUTION: Since the carriage main body 19 of the head carriage 18 is supported by a pair of guide shafts 35 and 36 in the directions of X1 and X2, a seeking operation can be executed in a more stable state. A lead screw 21 is installed so that it crossed the main body 19 at a position below the carriage main body 19 and it is engaged with the main body 19 through an engaged member 48 installed below the carriage main body 19. The rotary driving force of the lead screw 21 is transmitted to the carriage main body 19 through the engaged member 48. Thus, the lateral size of a magnetic disk device 11 is made small and the device 1 can be miniaturized by installing the lead screw 21 and a stepping motor 23 on the lower face of a frame 14.
Patent JP-2001129460-A (JP)
Title: Liquid coating device
Inventor: ONO TAKEHISA
IPC: B05C3/132
Filed: 1999-11-09
Abstract: PROBLEM TO BE SOLVED: To miniaturize a liquid coating device, and to enable the device to be arranged compactly inside an equipment using the device. SOLUTION: A roller 72 is arranged to be dipped into a liquid stored in a vessel part 80. The liquid is heated by a heating means attached to the roller 72. A sheet material 68 is dipped into the liquid with the rotation of the roller 72 while being wound around the outer peripheral surface of the roller 72, is coated with the liquid and transported. The coating liquid device is miniaturized by setting a transporting passage for a sheet material 68 arround the roller 72 be made short in the transporting direction.
Patent JP-H08131195-A (JP)
Title: Determination of cholesterol in lipoprotein fraction
Inventor: TOTSU YOSHIFUMI
IPC: C12Q1/32
Filed: 1994-12-21
Abstract: PURPOSE: To carry out the subject determination without being affected with clouding due to the aggregation by measuring the initial rate of reaction with a cholesterol esterase and a cholesterol dehydrogenase in an aggregate state of a lipoprotein fraction other than a desired fraction of the lipoprotein in blood serum. CONSTITUTION: A lipoprotein fraction other than a desired fraction of a lipoprotein in blood serum is aggregated by adding an aggregating agent or an antibody to cause clouding due to the aggregation of the lipoprotein fraction other than the fraction to be measured. A cholesterol esterase and a cholesterol dehydrogenase are directly reacted therewith to measure the initial rate of reaction. Thereby, cholesterol in the desired lipoprotein fraction is determined.
Patent JP-H07175974-A (JP)
Title: Electronic cash register
Inventor: NAGAO TOKUHIRO
IPC: G07G1/12
Filed: 1992-11-27
Abstract: PURPOSE:To provide an electronic cash register capable of easily performing a correction operation after an erroneous operation in a short time. CONSTITUTION:This register is provided with a registration history data buffer 16a for storing plural data such as the item name and price, etc., of merchandise registered by a customer under a registration processing, a clerk side display part 10 where at least the item name among plural merchandise data stored in the registration history data buffer 16a is displayed for each merchandise, a touch panel 12 disposed on the clerk side display part 10 and a CPU 14 for correcting the merchandise data stored in the registration history data buffer 16a of the pertinent merchandise when the numeral touch key of the touch panel 12 on the display of the item name or the like of the merchandise displayed on the clerk side display part 10 is pressed.
Patent JP-H03196510-A (JP)
Title: Electrode foil for electrolytic capacitor
Inventor: AKAMATSU TAKAYOSHI
IPC: H01G9/04
Filed: 1989-12-08
Abstract: PURPOSE:To increase capacitance by forming an aluminum deposited film onto a base body and forming a film composed of at least one element selected from the group of titanium, zirconium, tantalum, niobium and hafnium onto the aluminum deposited film. CONSTITUTION:An aluminum deposited film is formed onto a least one surface of a base body, and a film consisting of at least one element selected from the group of titanium, zirconium, tantalum, niobium and hafnium is formed onto the aluminum deposited film. An aluminum foil, metallic foils except aluminum, a plastic film, paper, etc., can also be used besides an aluminum foil as the base body, but it is favorable that the aluminum foil, the aluminum alloy foil or plastic film is adopted from the point of view of small leakage currents and high mechanical strength. Accordingly, much effect on the miniaturization and the increase of capacity of an electrolytic capacitor is brought about.
Patent JP-2000147146-A (JP)
Title: Clock with correcting mechanism
Inventor: SATODATE TAKAYUKI
IPC: G04B19/02
Filed: 1998-11-10
Abstract: PROBLEM TO BE SOLVED: To provide a clock with a correcting mechanism in which such a fear that a pin is shaved, is little even if conducting a correction operation. SOLUTION: The movement 100 of the clock with a correcting mechanism has a main plate 102 formed of plastic and includes a clutch wheel 114, a first time difference-correcting wheel 132, a second time difference correcting wheel 134 and a third time difference correcting wheel 136. A bush 332 for the time difference correcting wheel to reinforce a second time difference correcting wheel pin 102p is fitted in the second time difference correcting wheel pin 102p. The bush for the time difference correcting wheel includes a flange 332f, a guide shaft 332g, a rest part 332h, a leading end 332j and a center hole 332k. The bush 332 for the time difference correcting wheel is formed of a metal such as stainless steel or the like. The second time difference correcting wheel 134 is arranged not to touch the bottom plate 102.
Patent JP-H01160076-A (JP)
Title: Semiconductor laser package
Inventor: AOYANAGI TOSHITAKA
IPC: H01L23/46
Filed: 1987-12-16
Abstract: PURPOSE:To obtain a semiconductor laser package for allowing for cooling of liquid with improved cooling efficiency by providing a flowing hole of liquid for cooling and a mounting hole for fixing outside this flowing hole. CONSTITUTION:A semiconductor laser package mounting a semiconductor laser chip is connected to a liquid introduction and discharge pipe connection part 9 through an O ring 10 which was fit to a fitting groove 7 of packing such as an O ring and plural semiconductor laser packages are fixed so that they may be in one piece through a mounting screw 11 and a mounting nut 12 using a mounting hole 2. The liquid introduction and discharge pipe is connected to the liquid introduction and discharge connection 9 and a liquid for cooling 13 is allowed to flow. By cooling in this manner, a sufficient cooling can be made without leaking liquid to the outside.
Patent JP-H01204691-A (JP)
Title: Razor
Inventor: REO BERUTORAMU
IPC: B26B19/28
Filed: 1988-12-20
Abstract: PURPOSE: To exactly shave long beard without close visual check by operating the vibrations of a cam mechanism on a first operating plane through a rotor shaft, transmitting them to a vibrating cutter and driving a rotary cutter, which is arranged on a second operating plane away from the vibrating cutter assembly, as well. CONSTITUTION: An eccentric 11 is carried by a rotor shaft 10 and can be rotated inside a groove hole 12, a slide block 13 is guided by a guide 14. A transmission lever 15 is carried in the slide block, and a vibrating cutter 17 can be reciprocatively moved through a connector 16 by this transmission lever 15. On the first operating plane, the cutter 17 is interlocked with a mesh blade 19 clamped in the form of arc. A connecting sleeve 22 is attached to a connecting member 21 of the rotor shaft 10 so as to be freely moved in the direction of axial line but not to be rotated. The rotary cutter 23 can be attached to the connecting sleeve 22, and this rotary cutter 23 is rotated within a thin shear plate 24. A web is inclined with respect to a radial line extended from the rotary axial line of the rotary cutter 23.  Rotary cutter assemblies 23 and 24 are operated on a second operating plane B.
Patent JP-H07176446-A (JP)
Title: Electronic component with lead terminal
Inventor: MIYADERA MAKOTO
IPC: H05K1/18
Filed: 1993-12-20
Abstract: PURPOSE:To provide an electronic component with a lead terminal capable of fitting stably to a face of a wiring board. CONSTITUTION:An electronic component 1 has a lead terminal 3. The lead terminal 3 is elongated and bent from a resin part 2 that seals the electronic part body so that the lead terminal 3 can be inserted in a wiring board in a mounting step. A board fitting member 4 with a rectangular shape in cross section is fixed to the elongated lead terminal 3 on the side near the resin part 2. A side face 4a of the board fitting member 4 is located in an outer place from the end part of the resin part 2 in a lateral direction.
Patent JP-2001143258-A (JP)
Title: Magnetic transfer method
Inventor: NISHIKAWA SHOICHI
IPC: G11B5/86
Filed: 1999-11-10
Abstract: PROBLEM TO BE SOLVED: To transfer a transfer pattern of high quality from a master carrier to a slave medium by magnetic transfer. SOLUTION: The master carrier for magnetic transfer where a magnetic layer is formed in a part corresponding to an information signal on the surface of a substrate and the slave medium to which the pattern is to be transferred are used, and the slave medium is preliminarily initially magnetized by DC in a track direction, and the master carrier for magnetic transfer and the slave medium initially magnetized by DC are brought into close contact with each other, and a magnetic field for transfer is applied in a track direction opposite to the direction of initial DC magnetization on the slave surface to perform magnetic transfer. In this case, a width Wm of the magnetic layer formed on the master carrier and a width Ws of magnetization on the magnetic layer of the slave medium after magnetic transfer are within a range of 1.02<(Ws/Wm)2<=1.44.
Patent JP-H02164187-A (JP)
Title: Signal interpolation method
Inventor: HORI MASASHI
IPC: H04N19/00
Filed: 1988-12-19
Abstract: PURPOSE:To form an interpolation signal not causing flicker and deterioration in resolution by applying average interpolation to a low frequency component of an original signal through a delay line for a prescribed delay time and applying pre-value interpolation to a high frequency component of an original signal. CONSTITUTION:The original signal is inputted to an input terminal 20 and the original signal is fed to a low pass filter(LPF) 22 for low frequency component output and a high pass filter(HPF) 24 for high frequency component extraction. An output of the LPF 22 fed to a 1st input of an adder circuit 30 via a 1H delay line 24 and a 1/2 circuit 28 and fed to a 2nd input of the adder circuit 30 via a 1/2 circuit 32. The output of the HPF 24 is fed to a 3rd input of the adder circuit 30, the adder 30 sums the 1st, 2nd and 3rd input signals and outputs the sum to an output terminal 34. The 1/2 circuits 28, 32 halve the amplitude of the input signals. Thus, the adder circuit 30 applies average interpolation to a low frequency component from the LPF 22 and applies pre- value interpolation as to the high frequency component from the HPF 24.
Patent JP-H04187674-A (JP)
Title: Production of (-)-1-benzyl-4-((5,6-dimethoxy-1-indanon)-2-yl)methylpiperidine
Inventor: IIMURA YOICHI
IPC: A61P25/28
Filed: 1990-11-21
Abstract: PURPOSE:To obtain a compound useful as a medicine in ultrahigh optical purity and high yield by asymmetrically hydrogenating a methylpiperidine derivative in the presence of a ruthenium-phosphine complex catalyst. CONSTITUTION:(E)-1-Benzyl-4-[(5,6-dimethoxy-1-indanon)-2-ylidenyl]meth ylpyridine expressed by formula I is hydrogenated in the presence of an optically active ruthenium-phosphine complex catalyst in a solvent such as methylene chloride at 25-75 deg.C under 4-100kg/cm<2> pressure for 24-168hr by passing hydrogen therethrough to afford the objective substance, expressed by formula II, having inhibitory action on acetylcholinesterase and useful as a therapeutic agent for Alzheimer's diseases. At least one or more of compounds expressed by formulas III, IV and V (X us halogen; Y is H, amino, acetylamino, etc.; R<1> is H or lower alkyl; A and Z are ClO4, BF4, etc.; n is 1 or 2) are used as the ruthenium- phosphine complex.
Patent JP-H09156596-A (JP)
Title: Steering device for water jet propeller for ship
Inventor: SAITO YASUO
IPC: B63H25/46
Filed: 1995-12-08
Abstract: PROBLEM TO BE SOLVED: To provide a steering device for a water jet propeller which can set ship steering force properly and is favorable for complicate steering which includes many manoeuvre factors such as arrival and leave. SOLUTION: At least a pair of main propellers 5, 6 having a reverser mechanism which controls front and rear propulsion force and a deflector mechanism which controls a deflector angle and a pair of auxiliary propellers 7, 8 having a reverser mechanism are arranged on port and starboard sides of a stern part to constitute a water jet propulsion ship having four shafts. Front and rear propulsion force of the main propellers 5, 6 and a deflector angle are controlled by one joy stick 1, and front and rear propulsion force of the auxiliary propellers 7, 8 is controlled independently and separately by a turning round dial 2.
Patent JP-2000152527-A (JP)
Title: Armature of motor
Inventor: TAKAHASHI YUJI
IPC: H02K1/04
Filed: 1998-11-11
Abstract: PROBLEM TO BE SOLVED: To prevent a pin hole, or recession, or peeling of insulating coating, and enable a thick cable to be used for winding, by providing an armature with a hole in stack direction within the face between the slot of an armature iron core and the rotary shaft insertion hole. SOLUTION: This armature is provided with through holes 1a bored in, for example, four places in stack direction within the face between the slot of its iron core 1 and a rotary shaft insertion hole 4. Accordingly, in case that heat is added in the pretreatment of an electrostatic powder coating process to the armature iron core 1 provided with through holes 1a and the rotary shaft 3, the heat is conducted into the iron core 1 of the armature, too, through the through hole 1a, and the oil in between electromagnetic steel plates or the oil between the rotary shaft 3 inserted into the rotary shaft insertion hole 4 and the iron core 1 of the armature is gasified. Accordingly, the oil removal treatment can be performed enough and quickly, and a pin hole or recession ceases to occur in the insulating coating by electrostatic powder coating material, and the peeling of the insulating coating can be prevented.
Patent JP-H01160927-A (JP)
Title: Dicyclopentadiene derivative and production thereof
Inventor: ODA MASASHI
IPC: C07F7/08
Filed: 1987-12-17
Abstract: NEW MATERIAL:A dicyclopentadiene derivative expressed by formula I [R<1> is halogen, ester expressed by the formula -CO2R3 (R<3> is lower alkyl or aryl), substituted silyl expressed by the formulaSiR<4>R<5>R<6> (R<4>, R<5> and R<6> are lower alkyl or aryl), formyl. substituted hydroxymethyl expressed by the formula -C(OH)R<7>R<8> (R<7> is H, lower alkyl, lower alkenyl or aryl; R<8> is lower alkyl, lower alkenyl or aryl) or substituted sulfenyl expressed by the formula-SR<9> (R<9> is lower alkyl or aryl)]. EXAMPLE:8- and 9-[alpha-Hydroxybenzyl)dicyclopentadiene. USE:Useful as a polymer raw material or intermediate for medicine, agricultural chemical, perfume, etc. PREPARATION:Dicyclopentadiene is reacted with a base consisting of a tertiary alcoholate of alkali metal and alkyl lithium and then with an electrophilic reagent such as a compound expressed by formula II to provide the compound expressed by formula I.
Patent JP-H11137909-A (JP)
Title: Defoaming device
Inventor: KURIBAYASHI TAKAHARU
IPC: B01D19/02
Filed: 1997-11-07
Abstract: PROBLEM TO BE SOLVED: To provide a defoaming device which is compact and can surely remove even fine bubbles. SOLUTION: This defoaming device 10 has a defoaming tank 11, a liquid feeding port 13 for feeding liquid into the defoaming tank 11, and a liquid sending port 15 for sending the liquid from the defoaming tank 11. In the defoaming tank 11, first partition plates 18 extending from the bottom surface of the defoaming tank 11 up to a prescribed height are installed, inclined to the horizontal direction and also second partition plates 19 are installed alternately with the first partition plates 18 and almost parallel to the first partition plates 18 from positions higher than the upper ends of the first partition plates 18 to near the bottom surface of the defoaming tank 11 to form a path for passing the liquid between one inner side face (first inner side face) 12 of the defoaming tank 11 and the first partition plates 18 or the second partition plates 19,  between the first partition plates 18 and the second partition plates 19, and between a second inner side face 14 opposite to the first inner side face 12 of the defoaming tank 11 and the first partition plates 18 or the second partition plates 19.
Patent JP-H06169278-A (JP)
Title: Intermittent reception system
Inventor: MAEDA KAZUNARI
IPC: H04B7/26
Filed: 1992-11-30
Abstract: PURPOSE:To attain sure detection and to reduce power consumption even when an intermittent reception interval of a receiver is extended. CONSTITUTION:A leader part of a radio signal sent from a transmitter is formed to be m-sets of frames comprising blocks with m-bits data strings. A receiver uses a storage section 5 to store the arrangement state of bits of the leader part of the radio signal in advance and a control section 4 compares a data content in m-bits to be received with the storage content when optional consecutive m-bits of the leader part are received. Thus, the receiver discriminates a start position of a data part and controls it that no reception is executed before the data part is not started.
Patent JP-H03183794-A (JP)
Title: Stripe-plating device
Inventor: HAGITANI SHIGEO
IPC: C25D5/02
Filed: 1989-12-11
Abstract: PURPOSE:To prevent the leakage of a plating soln. from the deformed or stepped part of a strip to be plated by detecting the negative pressure in the space for sucking the injected soln. with a negative pressure sensor and controlling the injection of the soln. in accordance with the detection result. CONSTITUTION:The plating soln. 2 stored in a plating soln. tank 4 is forcedly circulated through an auxiliary tank 6 by a pump 5, and the pressurized soln. 2 is injected from a nozzle 3 to stripe-plate the surface 21 of the strip 20 formed on the masking tape 22. The injected soln. 2 is sucked by a suction pump 8, and recovered in the tank 4 through a recovery port 7. At this time, the negative pressure in the suction space is detected by a negative pressure sensor 12, an automatic control mechanism is actuated when the negative pressure does not reach a specified value, and the pump 5 is slowed or stopped to control the injection of the soln. 2. Consequently, the leakage of the soln. 2 from the connection or deformed part of the strip 20 is prevented, and the quality of a long-sized stripe-plated strip is improved.
Patent JP-H02164325-A (JP)
Title: Vacuum cleaner
Inventor: TSUCHIDA YASUYUKI
IPC: A47L9/28
Filed: 1988-12-19
Abstract: PURPOSE:To operate a function display portion indendently of the cleaning operating condition and to increase a display effect by displaying plural functions on the function display portion in the cleaning operating condition and operating a display operation mode. CONSTITUTION:A function display portion 22 disposed in the center of the upper surface of a cleaner main body 1 is constructed so that a display panel plate 23 is irradiated by back illumination of a light emitting diode and the respective functions are floated by lighting the light emitting diode. The display portion 22 comprises a dust amount display portion 24, a power control display portion 25 and a tick removal display portion 26. The dust amount display portion 24 is irradiated by three light emitting diodes [LED] D1-D3 to display the amount of dust in a paper bag filter 9 in five stages. The power control display portion 25 is adapted to display the sucking force of motordriven blower 7, that is, the output control condition and comprises notch display portions L, L, L, M, H1, H2 of five stages corresponding to five red light emitting diodes D4-D8.