baber/WOPTO huggingface dataset:
Patent JP-H10164365-A (JP)
Title: Image processing method and image forming device
Inventor: FUKUSHIMA TOKUTARO
IPC: H04N1/405
Filed: 1996-11-28
Abstract: PROBLEM TO BE SOLVED: To make the capacity of a line memory small, to suppress the cost of a device and to easily make a circuit into an ASIC by storing the error data value of the previous line of a picture element under consideration and performing an error diffusion processing by a picture element number smaller than the picture element number in a main scanning direction. SOLUTION: Data for the error of the previous line of the picture element under consideration are stored in an error storage part 1 and the storage capacity of one line is the capacity for the picture element number less than the picture element number of one line of read or printing. An arithmetic part 5 adds the image data value of the picture element under consideration outputted from a CPU and the error data values outputted from an error storage part 1 and first-third storage parts 2-4 and outputs a result to a comparison operation part 6. The comparison operation part 6 compares predetermined threshold value data and the error data value of the picture element under consideration inputted from the arithmetic part 5.  The error data value of the picture element under consideration obtained in the comparison operation part 6 is written to the prescribed position of a RAM 17 and fetched to the error storage part 1 at a timing controlled by a control part 9.
Patent JP-H03191824-A (JP)
Title: Magnetic encoder
Inventor: SHIRAKI MANABU
IPC: G01D5/245
Filed: 1989-12-21
Abstract: PURPOSE:To improve the reliability of an encoder by providing magnetoresistance elements by which two-phase encoder signals can be obtained, respectively, in the overlapped patterns so that the phase of the specified pole width is shifted in the movable direction of a multipolar magnetized body. CONSTITUTION:Terminals 18A-1 - 18D-1 are provided at the central points of conductor groups 20 having the magnetoresistance effect. The terminals 18A-1 - 18D-1 are utilized as output terminals for obtaining the outputs of an encoder or as power-supply terminals, and a first magnetoresistance element 19A is obtained. A second magnetoresistance element 19B which is formed by the same way as for the first magnetoresistance element 19A at a position where the phase of the pole width of about lambda/4 is shifted along the movable direction of a multipolar magnetized body from the element 19A. The element 19B is overlapped on the element 19A. Thus, a magnetoresistance element of a first set 26 is provided. A magnetoresistance element of a second set 27 having the similar constitution as that of element 26 is overlapped and provided so that the phase of the pole width of about (mlambda + lambda/8) (m is an integer larger than 1) is shifted from the element 26. In this way, the resolution of the encoder can be improved, and the position can be measured accurately.
Patent JP-H09172588-A (JP)
Title: Medium tone display control method and device
Inventor: KURITA YASUICHIROU
IPC: G09G3/291
Filed: 1995-12-21
Abstract: PROBLEM TO BE SOLVED: To reduce the image quality disturbance generated in a moving image by controlling the selection of a sub field subject to light emission in response to a display content of the luminance of an image and picture elements in the vicinity. SOLUTION: The device is provided with a sub field information generating circuit 1, a sub field comparator circuit 2, a selection discrimination circuit 3, and a sub field conversion circuit 4. In the case of displaying an intermediate state of the image by the sub field method, each sub field value is set so as to display a same luminance of the image based on plural combinations of sub fields and the selection of one combination is controlled among plural combinations of sub fields so that a timewise position and a lighted sub field value in a displayed image are uniformized between photoelectric conversion elements spatially in the vicinity to the utmost. Thus, the lighted sub field is controlled for the selection in response to the luminance of the image and the display content of the vicinity picture elements.
Patent JP-H06165515-A (JP)
Title: Inverter
Inventor: SOFUE MASARU
IPC: H02M7/493
Filed: 1992-11-19
Abstract: PURPOSE:To simplify a control circuit and to reduce space and cost when driving loads by a plurality of DC/AC conversion parts. CONSTITUTION:A control signal controlling DC/AC conversion parts 41 to 4n is generated by a single control circuit 7. The control signals are transmitted to the DC/AC conversion parts 41 to 4n in multi-drop system via single interface 81 to 8n and a signal transmission line 91.
Patent JP-H05145024-A (JP)
Title: Manufacture of bipolar transistor and bi-cmos device mounting the same
Inventor: MIWA HIROYUKI
IPC: H01L27/06
Filed: 1991-11-21
Abstract: PURPOSE:To obtain a bipolar transistor and a Bi-CMOS transistor mounting it which are excellent in electric characteristics, by forming an offset insulating film on the lower surface of a collector electrode on the emitter electrode side. CONSTITUTION:In a bipolar transistor, the interval between an emitter electrode 18 and a collector electrode 20 is increased, by arranging an offset insulating film 22 connected with an interelectrode insulating film 21 formed between the emitter electrode 18 and the collector electrode 20, on the lower surface of the collector electrode 2 on the emitter electrode side. In a Bi-CMOS device, a first insulating film 24 is formed on a semiconductor layer 12, a first polycrystalline silicon film 25 is formed on the whole surface of the film 24 side, and a first and a second patterns 26, 27 are formed by using the films 24, 25. An emitter electrode 18 is formed by using a second polycrystalline silicon film 29 formed on the patterns 26, 27. The gates 30, 31 of a CMOS transistor are formed by using the second polycrystalline silicon film and the second pattern, and electric characteristics of the bipolar transistor and a Bi- CMOS electrode can be improved.
Patent JP-2001149707-A (JP)
Title: Screen washing device for screw press
Inventor: YOSHIDA TERUHISA
IPC: B30B9/14
Filed: 1999-11-25
Abstract: PROBLEM TO BE SOLVED: To provide a screen washing device for a screw press capable of efficiently washing the screen and stably dehydrating sludge for a long time. SOLUTION: In a screen 3 washing device for the screw press 1 in which a screw 2 is arranged inside the cylindrical screen 3, and filtrate is discharged outside the screen 3 to be dehydrated, while the sludge injected into the screen 3 is pressed by a back pressure plate 5 provided on the tip of the screw 2, washing nozzles 42 arranged in such a manner that the revolving direction of the screen 3 is divided into plural numbers and is partitioned, and also washing water is injected toward the screen face on respective divided partitioned positions, are rocked in the revolving direction of the screen 3 at least in a range of the divided section of the revolution of the screen 3, to wash the screen 3.
Patent JP-H02177580-A (JP)
Title: Semiconductor magnetoresistance element and manufacture thereof
Inventor: SAMEJIMA MASANORI
IPC: H01L43/08
Filed: 1988-12-28
Abstract: PURPOSE:To enhance an electrode layer in adhesive power so as to enable a magnetoresistance layer and the electrode layer to be formed into fine shapes by a method wherein only the surface of the magnetoresistance layer where a short-circuit electrode is formed is roughened. CONSTITUTION:Only the surface of a magnetoresistance element formed on a substrate 1 is subjected to a surface roughening treatment, and a short-circuit electrode 3 is formed on a magnetoresistance layer 2. As mentioned above, the part of the magnetoresistance layer 2 where the electrode layer 3 is formed is not smooth but has irregularities, so that an adhesive force between the magnetoresistance layer 2 and the short-circuit electrode layer 3 is improved. And, an electrode layer is formed in a resistant pattern whose pattern edges are small in irregularity, so that the obtained patterns of the electrode layer and a magnetoresistance layer are improved in dimensional accuracy and characteristics, such as resistance and the like, of a semiconductor magnetoresistance element of this design can be made small in dispersion.
Patent JP-H09151187-A (JP)
Title: 4'-demethylepipodophyllotoxin derivative
Inventor: EIBURAHAMU NUDERUMAN
IPC: C07H17/04
Filed: 1994-12-20
Abstract: PURPOSE: To obtain the subject new compound useful as e.g. a raw material for synthesizing a podophyllotoxin-type compound as a carcinostatic.  
     CONSTITUTION: This new compound is expressed by formula I (A' is a 1-5C alkanoyl), e.g. 4-acetyl-4'-demethylepipodophyllotoxin. The compound of formula I is obtained, for example, by reaction of a compound of formula II (X is a halogen) with an acetylating agent such as acetyl chloride in the presence of a base such as pyridine to produce a compound, which is then hydrolyzed. A new etoposide precursor can be obtained by reaction of this compound of formula I with a compound of formula III (Ac is acetyl; T is a trialkyltin). 
     COPYRIGHT: (C)1997,JPO
Patent JP-H08239150-A (JP)
Title: Carrying equipment for article
Inventor: BERUNAA HONEGAA
IPC: B65G21/14
Filed: 1995-12-22
Abstract: PROBLEM TO BE SOLVED: To provide conveying equipment requiring a space as small as possible, and being structured to be as long as possible to simultaneously hold articles as much as possible in a given space. SOLUTION: Conveying equipment 1 is formed by two conveying sections 3, 4 extending in a spiral shape. The first conveying section 3 extends from an inlet A toward a center part 2, and the second conveying section 4 leads from the center part 2 to an outlet B. The conveying sections 3, 4 have opposite run-through directions. A winding part W (W') of one conveying section 3 (4) runs between a winding part W'(W), which is adjacent to each other, of the other conveying section 4 (3). A conveying device 5 is used for conveying conveyable articles 8, and is provided with an endless driven conveying belt 6, and a fixed roller path 7 located opposite to the conveying belt 6.
Patent JP-2001156052-A (JP)
Title: Mixed acid liquid in etching and etching control method
Inventor: SAWADA SATORO
IPC: H01L21/308
Filed: 1999-11-25
Abstract: PROBLEM TO BE SOLVED: To provide a mixed acid liquid in etching which is suitably used for planarizing a semiconductor wafer or improving its glossiness required for the wafer. SOLUTION: The mixed acid liquid contains hydrofluoric acid, phosphoric acid, nitric acid and fluorophosphoric acid and has a fluorophosphoric acid concentration of 3-15 wt.%. In a preferred embodiment, the hydrofluoric acid concentration is 5-12 wt.%, the phosphoric acid concentration is 15-40 wt.% and the nitric acid concentration is 25-40 wt.%.
Patent JP-H07199179-A (JP)
Title: Backlight
Inventor: YOSHIKAWA YUKIO
IPC: G02F1/13357
Filed: 1993-12-28
Abstract: PURPOSE:To provide a backlight capable of holding uniform brightness even in the case it is a large-sized backlight(large surface light source), and capable of minimizing the dispersion of working accuracy in the case of mass production and producing it at low cost by producing it with resin molding. CONSTITUTION:This backlight is provided with one or more light sources 1a and 1b, a light transmission plate 2 guiding light R made incident from the light sources 1a and 1b and projecting it to the outside from a projecting surface side, and a reflector 3 reflecting the light projected from a part other than the projecting surface of the light transmission plate 2. Then, a protruding part 2e whose cross section is nearly triangular and whose surface is roughed is formed on a surface opposed to the projecting surface of the plate 2 so that its density may be thinner as it comes closer to the light source.
Patent JP-H03196766-A (JP)
Title: Facsimile equipment
Inventor: EZAKI NOZOMI
IPC: H04N1/21
Filed: 1989-12-26
Abstract: PURPOSE:To output communication information in a form of limiting information to communication information required by the operator by entering the part of communication information desired to be extracted as retrieval information in order to limit the range of plural sets of communication information stored in a memory by an input means. CONSTITUTION:When information is discriminated to be part of output of communication information, a selection menu of a check item is displayed on a display section 32. The operator observing it selects an available input from the check item to be displayed and enters, e.g. dial information of transmission information from the input section 31 to a main control section 1 and depresses a return key or the like when no other input item exists to inform the end of entry to the main control section 1. The main control section 1 receiving it gives dial information entered from the input section 31 to a communication information retrieval program 11. Then whether or not the entry of the check items is finished is discriminated by the main control section 1 and when finished, the process is proceeded. Then the program 11 is started and only the information relating to the check items inputted among communication information in the main memory 2 is retrieved and read and outputted from a recording section 9.
Patent JP-H11148799-A (JP)
Title: Firing tube for coloring bullet
Inventor: MUTO SHUNICHI
IPC: F41B11/62
Filed: 1997-11-18
Abstract: PROBLEM TO BE SOLVED: To assuredly fire a coloring bullet to a criminal or an object even from a moving vehicle irrespective of individual difference such as a physical strength by firing the coloring bullet using driving force generated by compressed gas. SOLUTION: A colored bullet 12 impregnated with coloring liquid is housed in the pressure chamber 3 of a tube body 1. To a colored bullet firing port 4 at the front end of the tube body 1, is attached a valve cover 8 for completely opening the coloring bullet firing port 4 under the internal pressure of the pressure chamber 3 when it rises. A compressed gas injection port (injection conduit 7) is provided in the pressure chamber 3. The injection conduit 7 protrudes in the pressure camber 3. The valve cover 8 is liquid-tightly attached to the colored bullet firing port 4. The coloring bullet 12 is formed by impregnating a flexible material such as sponge with the coloring liquid.
Patent JP-H06159398-A (JP)
Title: Control method of automobile clutch
Inventor: MORISHITA AKIYOSHI
IPC: F16D37/02
Filed: 1992-11-20
Abstract: PURPOSE:To maintain an operation state intended by an operator when an accelerator is not stepped on at the time of automobile low speed travel, by changing a creep electric current in regard to an electromagnetic power clutch, according to a vehicle speed. CONSTITUTION:When an accelerator is not stepped on in a state in which an automobile is made to travel at a low speed by putting an electromagnetic powder clutch 3 into a coupling or semi-coupling state, a control circuit 4 conducts control so that a creep electric current in regard to the electromagnetic powder clutch 3 may be changed according to a vehicle speed, so the change of a vehicle speed is prevented due to a road state or the like, and the feeling of travel is not changed, and an operation state intended by an operator can be maintained.
Patent JP-H10176667-A (JP)
Title: Oil separator for oil-cooled compressor
Inventor: SUMIMOTO HIROAKI
IPC: B01D46/00
Filed: 1996-12-16
Abstract: PROBLEM TO BE SOLVED: To improve an efficiency for separating oil from compressed gas accompanied by misty oil by forming an oil separating element by a hollow body with a flange including a cylindrical body provided with a small penetrating passage, a plate body for covering an upper half of the cylindrical body, and an external cylindrical body for covering a lower half of the plate body and the cylindrical body and which is formed by crowding fine lines irregularly. SOLUTION: An oil separator 1 is interposed between a delivery port of an oil-cooled compressor and an oil tank 2, an oil separating element 14 is installed on an inlet part of a gas flow outlet 13 for feeding out compressed gas, and an oil separating element 16 is arranged between an flow inlet 11 and the oil separating element 14. The oil separating element 14 comprises a hollow body 25 with a flange formed by fixing end plates 23, 24 on both end parts of a cylindrical body 22 having multiple small holes for circulating a fluid on a circumferential wall part, a grid shaped plate body 26 for covering an outside of an upper half of the cylindrical body 22, and a cylindrical external body 27 for covering an outside of a lower half of the plate body 26 and the cylindrical body 22 and which is formed by crowding fine lines irregularly.  It is thus possible to efficiently separate oil from compressed gas accompanied by oil from a compressor.
Patent JP-H02180052-A (JP)
Title: Manufacture of semiconductor device
Inventor: UDO TAKEHIRO
IPC: H01L21/768
Filed: 1988-12-29
Abstract: PURPOSE:To realize flattening of the surface by etching an application film at lower etching speed than that of an interlayer insulating film while using a first application film for flattening. CONSTITUTION:A wiring 3 is formed on a silicon oxide film 2 on the surface of a semiconductor substrate 1 in a required pattern and thereon an interlayer oxide film 4 is formed, further thereon a flattening application film 5 is applied for being baked. Next, a first etching back is performed under the condition, in which etching speed of the flattening application film 5 is slowed down than etching speed of the interlayer insulating film 4, while performing etching so that an etching face of the flattening application film 5 and an etching face of the interlayer oxide film 4 may be on the same height. Later again, the flattening application film 6 is applied, and a second etching back is performed under the condition, in which etching speed of the flattening application film 6 and the interlayer oxide film 4 is equalized. In this way, the interlayer oxide film is formed on the surface. Thereby, flattening of the surface can be realized.
Patent JP-H03195028-A (JP)
Title: Schottky barrier gate type field-effect transistor and its manufacture
Inventor: NOGAWA KAORU
IPC: H01L21/338
Filed: 1989-12-25
Abstract: PURPOSE:To prevent an increase in an effective carrier density under a gate electrode by activation by a method wherein a high concentration layer prior to a heat treatment is formed in a position which is apart from a part directly under the gate electrode. CONSTITUTION:This transistor is constituted of the following: a gate electrode 3; a source electrode and a drain electrode formed in positions sandwiching the gate electrode 3; gate-electrode sidewall layers 5 formed on both sides of the gate electrode 3 via insulating films; a low-concentration layer 2 formed under the gate electrode 3; a high concentration layer 6 formed under the source electrode and the drain electrode by an ion implantation operation by making use of the gate electrode 3 and the sidewall layers 5 as a mask. Thereby, it is possible to prevent an increase in a carrier concentration under the gate electrode 3 by activation and to prevent a short circuit between the source and the drain.
Patent JP-H07245189-A (JP)
Title: Operating circuit device of low-voltage discharge lamp
Inventor: UORUFURAMU ZOOWA
IPC: H05B41/392
Filed: 1994-12-21
Abstract: PURPOSE: To obtain brightness in the rated value range of 5 to 100% and to reduce circuit cost by providing an adjustment unit for setting a supply voltage to a pair of inverters to one value related to the setting of a light modulator so that the inverters supply a voltage for a discharge lamp. CONSTITUTION: An adjustment unit R for adjusting the brightness of a fluorescent lamp 1 adjusts a supply voltage to inverters T1 and T2 so that the supply voltage is given to an output capacitor C1 from a light modulator D. The supply voltage generates a current passed through a lamp L to be discharged by a lowered power. This reduces the load of a direct current resonance circuit comprising a resonance capacitor CR and a resonance inductance LD to increase a Q value of a resonance circuit, thereby elevating the voltage of the resonance capacitor CR. At the same time, a current passed through the capacitor CR is increased, and a current passed through filaments E1 and E2 of the lamp L connected in series with the capacitor CR is also increased.
Patent JP-H08174828-A (JP)
Title: Recording head of ink-jet recorder
Inventor: KOYAMA SHUJI
IPC: B41J2/05
Filed: 1994-12-21
Abstract: PURPOSE: To significantly improve the durability without an increase of the thickness of a protective membrane of a thermoelectric converting element that is a component of the recording head, by a method wherein the protective membrane is made of a silicon nitride layer containing almost no hydrogen. CONSTITUTION: A protective membrane of a thermoelectric converting element that is a component of a recording head of an ink-jet recorder is formed of a silicon nitride layer containing almost no hydrogen. The suitable thickness of the silicon nitride layer is 0.5-2.0μm and the suitable ratio of silicon to nitride (Si/N ratio) is 0.9-1.6. Definitely, a heat accumulation layer 4 made of silicon dioxide is formed on a substrate 5 by means of thermal oxidation, etc., and a heating resistor layer 3 made of HfB2 and a wiring electrode layer 2 made of aluminum are formed on the heat accumulation layer 4 by means of a spattering method, etc., to form a heater part. Then, a protective layer 1-1 made of a silicon nitride layer is formed by means of a spattering method, etc.
Patent JP-H08178958-A (JP)
Title: Probe and emulator
Inventor: ISHITA HIROSHI
IPC: H01L21/66
Filed: 1994-12-22
Abstract: PURPOSE: To change the leading-out direction of cable in a probe. CONSTITUTION: As a mechanism part in which the leading direction of a cable viewed from a plug part 4a that is prepared on the other end of a cable 4b connecting with the main body of an emulator can be changed optionally, a rotating mechanism part 301 is prepared to rotate a first plug 101 and second plug 201 relatively, and the leading direction of the cable viewed from the part 4a can be changed thereby.
Patent JP-2001154057-A (JP)
Title: Heat treatment for optical fiber
Inventor: ISHIKAWA SHINJI
IPC: G02B6/00
Filed: 1999-11-26
Abstract: PROBLEM TO BE SOLVED: To provide a heat treatment method or an optical fiber which improves mechanical strength in a heated portion of the optical fiber after the regulation of optical characteristics by a heat treatment is carried out. SOLUTION: This heat treatment for regulating the optical characteristics of the optical fiber consisting of SiO2 glass is executed, by installing a glass part 11 of the optical giber exposed in a glass exposing section 10 of the coated optical fiber 1 and an electrical resistance furnace having a furnace core tube 31 and heater 32 for heat treating the optical fiber 11 into a gas-purging box 30 and maintaining the atmosphere in the gas-purging box 30 in a reducing atmosphere containing H2, CO, etc., At this time, since the OH group and excess O2 on the glass surface of the optical fiber 11 are decreased, and so that the occurrence of defects by the generation ad diffusion of the OH group during the heat treatment is lessened and the degradation in the mechanical strength of the optical fiber is suppressed.
Patent JP-2000024068-A (JP)
Title: Shoulder tapping device with vibrating part and flexible connecting part in the handle
Inventor: OCHIAI SATOYUKI
IPC: A61H23/02
Filed: 1997-10-30
Abstract: PROBLEM TO BE SOLVED: To provide a shoulder tapping device which can give comfortable vibrations to a user in a wide range of the body from shoulders or the back to the waist, etc., as intended, so that the blood circulation can be improved and the hardness of the body can be softened. SOLUTION: A vibrating part 3 is attached to the joint 1 between the shoulder tapping part and the handle of this device, and a flexible connecting part is formed in the handle.