baber/WOPTO huggingface dataset:
Patent JP-H04178072-A (JP)
Title: Shading correction device
Inventor: MATSUMOTO TOSHIHIKO
IPC: H04N1/401
Filed: 1990-11-13
Abstract: PURPOSE:To attain sure shading by generating a new correction picture element data of an object picture element of a correction picture based on a difference between a density of the object picture element and a mean density of surrounding picture elements and on the mean density of the surrounding picture elements of the correction picture. CONSTITUTION:A CPU 5 decides a density of a picture element of an upper left of a correction picture and obtains a density difference absolute value  Y from a data of an object picture by using delay circuits 4a-4d, a mean value calculation circuit 4e and a density difference calculation circuit 4f. The value  Y and a threshold level stored in a change threshold level storage circuit 6a are compared by a comparator circuit 6b and 0.1 level is outputted depending on the quantity and when the value  Y is small, a switch 6c outputs a density difference data Y. The signal is given to an adder circuit 7a, in which the signal is added to the density of the correction picture from a mean value calculation circuit 8e and an object picture element is corrected via a switch 7c and the data of the corrected picture element is subtracted from the data of the object picture element at a subtractor circuit 9. Thus, sure shading is implemented and only one binarization level is enough for the purpose.
Patent JP-H05120823-A (JP)
Title: External magnetic field generator
Inventor: HORIGOME HIDEYOSHI
IPC: G11B21/21
Filed: 1991-10-25
Abstract: PURPOSE:To prevent the degradation in detection accuracy by preventing an increase in errors regardless of the positions of a magnetic head and the diametral sizes of a magneto-optical disk at the time of detecting an electrostatic capacity. CONSTITUTION:The position of a magnetic field generator 7 for recording signals is determined in accordance with the address information detected from a reproduced signal. An electrode 28c is selected when this position exists on the inner peripheral side of the magneto-optical disk 1 and an electrode 28a when the position exists on the outer peripheral side, respectively by a switch 37. The output from the selected electrode and the output of the electrode 28b are added. The gap between the capacity detecting electrode 28 and the magneto-optical disk 1 is controlled constant in accordance with the added output.
Patent JP-H03166502-A (JP)
Title: Grating element and formation thereof
Inventor: NAKAYAMA YOSHINOBU
IPC: G02B6/30
Filed: 1989-11-27
Abstract: PURPOSE:To efficiently couple incident light to a waveguide layer by setting the modulation degree of a grating corresponding to both ends of the waveform in the light quantity distribution of the diffracted light diffracted by the grating at the degree smaller than the modulation degree exclusive of the modulation degree at both ends. CONSTITUTION:The modulation degree of the grating corresponding to both ends of the waveform in the light quantity distribution of the diffracted light diffracted by the grating is set at the degree smaller than the modulation degree exclusive of the modulation degree at both ends. A change in the quantity of the guided light is, therefore, decreased even if there is a wavelength dispersion or incident angle dispersion, etc., in the incident light on the inside of the same aperture region or even with the incident light of different modes, such as TE mode light or TM mode light. The incident light is efficiently coupled to the waveguide layer in this way.
Patent JP-2000127559-A (JP)
Title: Image forming apparatus
Inventor: HISAMA KAZUNOBU
IPC: G03G15/00
Filed: 1998-10-28
Abstract: PROBLEM TO BE SOLVED: To reinforce a sheathing material without adverse influence to various type functions of apparatus constituting members in a simple structure by adhering a sheet made of a PET resin having flexibility to an inside surface of the sheathing material. SOLUTION: A thin sheet 53 made of a PET resin and having flexibility is adhered to the vicinity of an electric component unit 52 attached to an image forming unit 51 at an inner wall of a printer unit body 30 of a printer unit. A suitable site of the body 30 can be reinforced by providing the sheet 53. The sheet 53 can be more inexpensively manufactured than a metal mesh, and since the sheet 53 is made of the resin, even if an electric component is approached, no electrostatic fault occurs. Accordingly, a size can be reduced in an entire apparatus. Further, even if an area of the sheet 53 is increased, no radio interference occurs, and sufficiently reinforcing strength can be obtained.
Patent JP-H03201289-A (JP)
Title: Input signal redriver for semiconductor module
Inventor: UEIN FUREDERITSUKU ERIISU
IPC: G11C7/22
Filed: 1990-11-15
Abstract: PURPOSE: To add a module having an analogous function to a system without any concern over the constraint of a physical space and additional expense by incorporating a redriving function into a semiconductor device. CONSTITUTION: This redriver is expressed in the form of an assembly of plural semiconductor devices 1-1 to 1-n installed on a common substrate 12, and an input signal redriver or buffer circuits 14-1 to 14-n are provided in each semiconductor device as a part of the circuit. One or plural separated redriver circuits 14, having a related redrive input RI and redrive output RO respectively, are included in each memory device. Like this, a capability redriving one or plural input signals for other module added is provided within a logic or DRAM device, and the number of the redrive per one module added is optimized when a sufficient number of module is required. By this way, the additional module having some common input signal requirement is obtained without any concern over the constraint of the physical space and additional expense.
Patent JP-H1172176-A (JP)
Title: Flow control valve
Inventor: HAYAKAWA HIDEYUKI
IPC: F16K31/06
Filed: 1997-11-10
Abstract: PROBLEM TO BE SOLVED: To provide a flow control valve which can realize a throttle condition in transferring to a valve opened condition from a valve closed condition with simple constitution and can maintain the throttle condition even if a downstream pressure is reduced. SOLUTION: A flow control valve 10 keeps a necessary lift quantity by a second spring 27 at ordinary brake time, and the valve is put in a fully opened condition, and in a cutoff condition where a ball-shaped valve element 30 is brought into close contact with a seat surface by electromagnetic force, when the electromagnetic force disappears, the valve element 30 rises by spring force of a first spring 26. At this time, a brake fluid flows in the narrowing direction (the valve closing direction) between the valve element 30 and a seat surface 21a, and since a lift quantity is small, large self-closing force acts on the valve element 30. Since this self-closing force is designed so as to overcome spring force of the second spring 27, the valve element 30 tries to close the seat surface 21a.  However, it is designed so as to prevent a shaft 31 from descending more than that by elastic force of the first spring 26 is a condition where a projecting part 33 of the shaft 31 engages with a stopper 28.
Patent JP-H06194329-A (JP)
Title: Gas detector
Inventor: MURAKAMI NOBUAKI
IPC: G01N27/12
Filed: 1992-10-20
Abstract: PURPOSE:To reduce power consumption, while simplifying the power supply circuit, of a gas detector for switching the temperature of a gas sensor periodically between a high temperature region and a low temperature region. CONSTITUTION:Heaters 14, 16 of a gas sensor 10 are subjected to duty ratio- driving by means of switching transistors Tr1, Tr2, thus eliminating the need of two stabilized power supplies for high and low temperature regions. Consequently, power loss due to voltage drop of a power supply 2, especially the power loss caused by taking out low heater power in the low temperature region, can be prevented. Furthermore, switching transistors Tr1, Tr2 having low heat-generation capacity can be employed because of low heat generation in the power supply circuit.
Patent JP-H09146120-A (JP)
Title: Liquid crystal display device
Inventor: IMAO KAZUHIRO
IPC: G02F1/136
Filed: 1995-11-27
Abstract: PROBLEM TO BE SOLVED: To improve a contact characteristic by eliminating the difference in the depth between the contact holes of pixel parts and the apertures of the leading-out parts of external input ends. SOLUTION: The external input end of an lead-out line 19 is constituted by forming slits S at this end to divide the end to plural line wires 22. As a result, the thickness of the second interlayer insulating films deposited on the fine wires 22 decreases and the difference from the thickness of the second interlayer insulating films deposited on the source electrodes of the pixel parts decreases and, therefore, the simultaneous formation of the contact holes on the source electrodes and the contact holes CT4 on the fine wires 22 is made possible and the cost is reduced.
Patent JP-H11214935-A (JP)
Title: Differential amplifier circuit
Inventor: KIMURA KATSUHARU
IPC: H03F1/08
Filed: 1998-10-14
Abstract: PROBLEM TO BE SOLVED: To considerably improve a trans conductance and a current efficiency with a simple constitution, which is made not to increase a circuit scale by setting the ratio of two transistors in respective differential couples to be a specified value. SOLUTION: Two differential couples (M1, M2) and (M3, M4) driven by a constant current source Io are provided. In two MOS transistors constituting the respective differential couples, a ratio (W/L) of a gate width W and a gate length L is M1:M2=M4:M3=1:K (K≠1). In the two differential couples, the gates of the MOS transistors  (M1 and M3) (M2 and M4)} whose ratios (W/L) are not equal are connected in common to constitute a differential input terminal, where an input voltage Vin is applied. Also the drains of the MOS transistors the ratios (W/L) of which are not equal are connected in common to constitute a differential output terminal. The ratio (W/L) of the two MOS transistors in the respective differential couples is set to 1:95.
Patent JP-H07165753-A (JP)
Title: Purification of lactide
Inventor: YAMAGUCHI YOSHIAKI
IPC: C07D319/12
Filed: 1993-12-08
Abstract: PURPOSE:To provide a lactide purification process for removing mesolactide from crude lactide and obtain the objective lactide having high optical purity or a DL-lactide having high purity. CONSTITUTION:The characteristic of this lactide purification process is to contact of a mixture containing an L-lactide and/or a D-lactide and a meso- lactide with water to effect the hydrolysis of the meso-lactide. A DL-lactide and/or an optically active lactide having high optical purity can be produced in high yield by removing meso-lactide from crude lactide. The synthesis of lactide can be simplified in the production of an optically active lactide because the restriction on the formation of meso-lactide is eliminated by this process.
Patent JP-S63164098-A (JP)
Title: Semiconductor integrated circuit device
Inventor: OGATA SHINKO
IPC: G11C17/00
Filed: 1986-12-26
Abstract: PURPOSE:To accelerate a sense action by providing a differential amplifier circuit which composes a sense amplifier with a switching element and a circuit element which works as a resistor means and respectively supplying an input signal and a reference voltage through this register means. CONSTITUTION:The sense amplifier SA is composed by an active load circuit consisting of a differential MOSFETQ 13 and Q 14, a power switch MOSFETQ 15, and P channel MOSFETQ 16 and Q 17. While the amplifier SA acts, the time which the input signal reaches the reference voltage can be substantially reduced zero by respectively supplying the input signal and the reference voltage through the register means consisting of the Q 16 and the Q 17. Therefore, the sense action can be accelerated. Unnecessary high voltage for a write action can be prevented to be supplied to the amplifier SA by switching transmission gates MOSFET 11 and 12, which transmit a read out signal and the reference voltage, to turn off the write action.
Patent JP-2000129936-A (JP)
Title: Building
Inventor: ISOBE MASAMI
IPC: E04H1/02
Filed: 1998-10-29
Abstract: PROBLEM TO BE SOLVED: To form various traffic lines of the doorway of a dwelling house by arranging a living space on both lateral sides of an entrance hall, and forming a visitor doorway and a family doorway in the entrance. SOLUTION: This building is formed of a U-shaped two-storied building A in a plan view, a court 1 is arranged in the U-shaped surrounded part, an entrance 3 is arranged in the front road-side center of the building, and an entrance porch 4 higher than a road is arranged in the front of the entrance 3. An entrance hall 6 slightly wider than an earthen floor 5 is extended in the front of the entrance 3, a wide glass window facing the court 1 is arranged in the front of the entrance hall 6, and a screen 8 is arranged longitudinally extending from the middle of the earthen floor 5 to the middle of the entrance hall 6. The screen 8 laterally partitions the entrance 3 into a visitor doorway 9 in the front from the entrance 3 and a slightly narrow family doorway 10 on the left side.  The visitor door way 9 is formed into a well-ordered space having no shoes cupboard or cabinet, and the family doorway has a cabinet 12 and an entrance closet 13.
Patent JP-H06164330-A (JP)
Title: Logic circuit
Inventor: TAKASUGI MIKIO
IPC: H03K3/356
Filed: 1992-11-18
Abstract: PURPOSE:To prevent the fluctuation of supply signals and to guarantee that the output of a latch circuit does not become an intermediate node by controlling the timing of input signals so that the supply signals do not fluctuate during the holding period of the plural latch circuits. CONSTITUTION:Latch signals Q out by the output of the latch circuits TL1 and TL2 are delayed for a prescribed time by a first delay circuit DL1. Also, the changeover of first and second routes A1, A2, B1 and B2 for the respective input signals D0 and D1 is performed at a switching circuit 3 based on the latch signals Qout and the output D0'' or D1'' of the second routes A2 and B2. The delay time of second delay circuits DL21 and DL22 is set longer than the time required for holding the circuits TL1 and TL2 and the delay time of the circuit DL1 is set longer than the time from the fluctuation of the signals Qout until an input route is decided. As a result, even when the signals D1 fluctuate while holding the circuits TL1 and TL2, the signals are delayed and propagated by the circuit DL22 of the route B2 and the supply signals to the circuits TL1 and TL2 do not fluctuate.
Patent JP-H10129661-A (JP)
Title: Synthetic resin pallet
Inventor: MIYATA KAZUHIKO
IPC: B65D19/32
Filed: 1996-11-05
Abstract: PROBLEM TO BE SOLVED: To provide a synthetic resin pallet which does not require labors to erect supports and makes it possible to use the supports used for a wooden pallet as they are, by forming horizontal grooves having a fitting hole at the depth, in which a fitting plate formed at the support can be inserted, in the corners of the pallet. SOLUTION: A fitting projection 3b of a fitting plate 3 of a support C is inserted in a fitting hole 7b formed at the depth of a horizontal groove 7 of a synthetic resin pallet P. The supports C are detachably fixed in the corners of the synthetic resin pallet P so that the upper edge 3c of the fitting plate 3 contacts or nearly contacts the vertical wall 7c near the corner of the synthetic resin pallet P, in the horizontal groove 7. In this time, since the pallet is constituted so that the lower part of the vertical part 1 of the support C and the projection 2 contact or nearly contact both side walls 6a, 6b constituting the corner of the synthetic resin pallet P, the supports are fixed firmly to the synthetic resin pallet P without vibration of the support C.
Patent JP-H04180234-A (JP)
Title: Manufacture of semiconductor device
Inventor: TAKAOKA MATSUO
IPC: H01L21/331
Filed: 1990-11-15
Abstract: PURPOSE:To obtain a stable current amplification factor by a method wherein an insulating layer is revealed in a single crystal silicon film on the insulating layer, grooves which are passed nearly perpendicularly through the single crystal silicon film are formed, the grooves are filled with a polycrystalline silicon film which contains impurities and the impurities are diffused to the single crystal silicon film. CONSTITUTION:An insulating layer 2 is revealed in a single crystal silicon film 3 formed on the insulating layer 2; grooves 6 which are passed nearly perpendicularly through the single crystal silicon film 3 are formed. Then, the grooves 6 are filled with a polycrystalline silicon film 7 which contains impurities; the polycrystalline silicon film 7 is heat-treated; the impurities in the polycrystalline silicon film 7 are thermally diffused to the single crystal silicon film 3; and diffusion layers 10a, 10b are formed. Consequently, the impurities are diffused faster in the longitudinal direction than in the transverse direction in the polysilicon film 7; and the emitter diffusion layer 10a and the collector diffusion layer 10b can be formed to be a nearly perpendicular shape in the depth direction. Thereby, a change in a base width in the depth direction is reduced, and a stable current amplification factor is obtained.
Patent JP-H11240861-A (JP)
Title: Iodide ion releasing compound silver halide particle and silver halide photosensitive material
Inventor: KATAOKA EMIKO
IPC: C07C309/46
Filed: 1998-10-15
Abstract: PROBLEM TO BE SOLVED: To obtain an iodide ion releasing compound useful for silver halide photosensitive materials rapidly releasing iodide ions, high sensitivity and low in fogging. SOLUTION: This compound is expressed by formula I (R1 to R3 are each H, a substituent; EWG is CO2 , OCO, S or the like; L is a bonding group; SOL is a water soluble group; R4 to R9 are each H, a substituent; (n) and (m) are each 1 to 4). The compound of formula I, for example, in the case of a compound of formula II, is obtained by dissolving phenolsulfonic acid in water, adding sodium bicarbonate, cooing, and then dropping chloropropionic acid chloride and adding sodium iodide to the obtained compound of formula III, and heating. The compound is preferably used by adding 1×10<-7> to 30 mol.%, to silver halide to make articles of the silver halide.
Patent JP-H09194742-A (JP)
Title: Deodorizing molded product
Inventor: SHIRAI HIROYOSHI
IPC: C08K3/02
Filed: 1996-11-20
Abstract: PROBLEM TO BE SOLVED: To obtain the subject product incorporated with a specific deodorizing polymeric substance, highly sustainable in deodorizing ability, high in deodorizing efficiency, capable of simultaneously decomposing several kinds of water-(in) soluble offensive odor-emitting matter, and free from concern for any secondary pollution. SOLUTION: This deodorizing molded product is obtained by incorporating a molded product (pref. polyurethane foam) with a deodorizing polymeric substance consisting of copper-bound polyethyleneimine (pref. 0.5-7wt.% in copper content). The deodorizing polymeric substance is pref. e.g. a polyacrylic acid- copper chelate resin prepared by mixing a 0.1N aqueous solution of copper sulfate with a sodium polyacrylate cross-linked product followed by agitation at room temperature for 2h and then repeatedly washing the resultant product with pure water.
Patent JP-H03169994-A (JP)
Title: Mounting construction and mounting method for sash frame for unit house
Inventor: KAYA KUNIHIRO
IPC: E06B1/56
Filed: 1989-11-28
Abstract: PURPOSE:To make it possible to maintain better fitted windows and doors, etc., by fixing fixtures to couple a unit frame with a sash frame for house to four sides of the sash frame with adhesive tapes and a mechanical coupling means every a plurality of fixtures. CONSTITUTION:Fixtures 7-10 are fixed to up and down beams 4 and studs 5 of an opening 6 with a bolt 16, nut 17 and adhesive tapes 31, and glass doors, etc., are fitted to the inside of a sash frame 2. Then, after the sash frame 2 is fixed to the fixtures 7-10 fixed to unit frame 1, an attitude of the sash frame 2 is adjusted against arrangement positions of the fixture 7-10 fixed to the opening 6. After that, the attitude of the sash frame 2 are corrected by tapping an upper door frame 23 to bring guide rails 29 into contact with the glass doors 11, etc., with a wooden hammer, etc. Door-frames 23, 24 each other and 25, 26 each other are respectively corrected in a state of approximately parallel. Accordingly to the constitution, smooth opening and closing operation of windows and doors, etc., can be maintained.
Patent JP-H10128243-A (JP)
Title: Clogging preventive channel incline trough for sorter
Inventor: GRAY CALVIN G
IPC: B07B13/16
Filed: 1997-10-24
Abstract: PROBLEM TO BE SOLVED: To provide an incline trough which is a multichannel type gravity flow incline trough of a sorter and obviates the occurrence of a clogging state in one or more channels by allowing large objective to be sorted to overhang to adjacent channels. SOLUTION: The heights of the ribs 80, 82, 84, 86, 88 for division between the channels of the multichannel type gravity flow incline trough for the sorter are such heights which at least delineate the respective channels and allow the objects to be sorted of ordinary sizes to flow down respectively in the respective channels. At least some 90, 92, 94, 96 among the dividing bodies or ribs are tall in their height in order to support the guides or keepers for the objects to be sorted. As a result, the objects to be sorted are thereby provided with linearity and alignment to some extent within the respective channels. The objects of odd shapes exceeding the prescribed sizes are permitted to overhang to the adjacent channels, by which the occurrence of the clogging state in the one or more channels is minimized.
Patent JP-H01150528-A (JP)
Title: Thermoplastic resin sheet-like object excellent in antistatic property
Inventor: HORI NAONOBU
IPC: B32B7/02
Filed: 1987-12-07
Abstract: PURPOSE:To obtain a thermoplastic resin sheet-like object keeping an excellent antistatic property even after a number of bending repeats and having an excellent stability in form, by unifying an organic continuous fiber or bundle of fiber composed of a plurality of number of conductive filaments with a thermoplastic sheet and making the fiber or bundle of fiber to exist continuously from its one end to the other end. CONSTITUTION:Organic conductive fibers adhered on or inserted into a thermoplastic resin sheet is continuous from one end of said sheet to the other end. To produce a sheet-like object continuously, a resin material is put into a sheet extrusion molding machine 1, molten and kneaded, the organic conductive fibers 8, separately prepared for the molten resin layer 3 extruded from a T-die 2 in the sheet-like form, are adjusted in mutual intervals by each guide 4, directed to the front of the first and second rolls 5 and 6 of a sheet take-up, pressed with the first and second rolls 5 and 6 simultaneously with the molten resin layer 3 and press-bonded. At this time a small tension is loaded on the organic conductive fibers 8 with a tensor 7 to prevent meandering. All organic conductive fibers 8 are brought into press-contact with each other in the state of parallel arrangement keeping an interval defined by the guide in the moving direction of the sheet.