baber/WOPTO huggingface dataset:
Patent JP-2001005120-A (JP)
Title: Image reader
Inventor: TANAKA MASAHARU
IPC: G03B21/62
Filed: 1999-06-21
Abstract: PROBLEM TO BE SOLVED: To simplify the original replacing work, and to make executable the work in a short time, in an image reader for reading images formed on an original and a magazine, etc. SOLUTION: The image reader is provided with an original cover 2, an elastic member 16 for energizing the original cover 2 so as to be open, a fixing member 14 for fixing the original cover 2 in a closed state. A fixed state releasing means 15 such as a solenoid, etc., for releasing the fixed state of the original cover 2, a detecting member 13 for detecting the return of a carriage and actuating the fixed state releasing means 15, and when reading is finished, or copying is finished, the fixed state releasing means 15 is actuated so as to move the fixing member 14 and release the member 14 from locking the cover 2, then, the original cover 2 is automatically opened, thus, the operator can easily execute the original replacing work, and also, the original replacing time can be shortened.
Patent JP-S5797025-A (JP)
Title: Fuel injection pump for diesel engine
Inventor: MOCHIZUKI KENJI
IPC: F02D1/02
Filed: 1980-12-08
Abstract: PURPOSE: To reduce knocking of a diesel engine and generate a high power by communicating a pressure regulation chamber with a high pressure chamber which compresses a fuel oil to a high pressure and providing a means for controlling a set load on a spring which loads on a governing piston.  
     CONSTITUTION: A high pressure chamber 4 is formed on the head of a plunger 3 inside a plunger barrel 2 and communicated with a pressure regulation chamber 14. A governing piston 15 is loaded by a spring 16 and a means 23 for adjusting a set load on the spring 16 is provided. When the plunger 3 advances, a fuel oil in the high pressure chamber 4 is compressed to a high pressure and squeezed to an injection valve via a slit 8 and a delivery valve 10 in an outlet passage 11. The set load adjusting means 23 provides an aid for varying an injection pressure in the high pressure chamber 4 according to the load, thereby reducing knocking of a diesel engine and generating a high output power. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H0337623-A (JP)
Title: Liquid crystal display device
Inventor: INAMI TAKASHI
IPC: G09G3/36
Filed: 1989-07-04
Abstract: PURPOSE:To make a large-capacity display with many gradations and to improve the visual angle dependency by grouping picture elements of respective display units into subgroups, supplying binary data to the respective display units through data signal lines, and assigning and connecting the respective data lines to all the picture elements in the subgroups. CONSTITUTION:The display units 1 each consisting principally of (n-1) picture elements which makes a binary display, i.e. an on display and an off display and (m) data signal lines 11 which supply (m)-bit binary data makes (n)- gradational displays. Here, n = 2<m> and (n) and (m) are natural numbers. The respective picture elements in each display unit 1 are applied with an on voltage or off voltage between couples of electrodes and liquid crystal is so driven to transmit or not to transmit light; and no intermediate voltage is applied. Consequently, a gradational display and a large-capacity display are both realized at the same time by using a liquid crystal material which has narrow threshold voltage width and the display screen 10 can be viewed at a large visual angle.
Patent JP-S5963639-A (JP)
Title: Device for charging cathode-ray tube
Inventor: MURAKAMI YOSHIHIRO
IPC: H01J9/24
Filed: 1982-10-01
Abstract: PURPOSE:To enable a stem and an electron gun to be easily and securely set at the center of the neck section before the charging of a cathode-ray tube is carried out by installing detectors, used for detecting attachement error of the glass bulb, corresponding to alignments. CONSTITUTION:Detectors 32 used for detecting whether or not alignments 4 are located at given positions, are attached to a base plate 15 and located at positions corresponding to alignments 4a, 4b and 4c. Each detector 32 is composed of a stand 33, a detection bar 34, a detection sensor 35 and a detection-output lead wire 36. Owing to such constitution as above, if the alignment 4 touches the pointed end surface 33a of the stand 33, the microswitch 35 works and whether good attachement of the alignment 4 is achieved or not can be judged. As a result, the attachment of the glass bulb is appropriately performed, thereby a high- quality cathode-ray tube can be manufactured easily.
Patent JP-S6417754-A (JP)
Title: Brake device for discharged paper tray
Inventor: OKI YASUHIRO
IPC: B65H31/18
Filed: 1987-07-14
Abstract: PURPOSE:To vary the angle of a tray device according to the paper quantity by installing a detection means for the paper quantity, means for controlling the angle of the tray device from the detection signal of the detection means and the inside data and a tray driving means for varying the angle of the tray device by the signal of the control means. CONSTITUTION:The input data supplied from a paper size input key 17 is checked, and a prescribed tray angle corresponding to paper size is read into a CPU 16, and the actual tray angle is detected by an optical sensor 13 and an arm 12. The actual tray angle is allowed to accord with a prescribed tray angle by normally and reversely revolving a motor 5. Then, the paper quantity data is inputted into the CPU 16 by the optical sensor 13 and the arm 12, and the distance is calculated by the CPU 16. The proper distance between a lower discharge roller 11b and a paper 10 is read. Then, a motor 5 is normally and reversely revolved so that the proper distance is obtained. When the papers 10 are gradually stacked, the motor 5 is driven.
Patent JP-H04350394-A (JP)
Title: Fuel pump
Inventor: KATO TAKAHIKO
IPC: F02M37/10
Filed: 1991-07-15
Abstract: PURPOSE:To secure the movement of fuel between both faces of the impeller of a regenerative pump and utilize the outer peripheral side of the impeller to heighten pressure boosting performance. CONSTITUTION:At the outer periphery of an impeller, vane grooves 322 are formed on both faces thereof, and a partition wall 321 is extended between the vane grooves 322. A vane groove for communicating the vane grooves 322 on both faces axially with each other is formed more on the outer peripheral side than the tip face 3210 of the partition wall 321. The wall of a vane part 323 is provided with faces formed on both sides of the partition wall 321, and a face formed more on the outer peripheral side than the tip face 3210 of the partition wall 321. When the impeller 32 is rotated, fuel is force-fed while forming vortex flows 341, 342. At this time, fuel moves between both faces of the impeller 32 through the parts more on the outer peripheral side than the tip face 3210 of the partition wall 321, and more fuel is fed by the face formed more on the outer peripheral side than the tip face 3210 of the partition wall 321.
Patent JP-H0614762-A (JP)
Title: Functional edible vinegar and ume vinegar composition
Inventor: KAWASHIMA ZENICHI
IPC: A23L27/00
Filed: 1992-07-01
Abstract: PURPOSE:To obtain an edible vinegar and an UME (plum) vinegar composition, excellent in mineral and an acid alkali balances and tastiness and having salt- reducing effects. CONSTITUTION:The objective functional edible vinegar composition is obtained by adding 0.5-1 pts.wt. pungent taste composition prepared by mixing 100 pts.wt. mixture of 80-30wt.% sodium chloride with 20-70wt.% potassium chloride with 0.2-1 pts.wt. calcium chloride and/or magnesium chloride and, as necessary, adding 0.5-2 pts.wt. trisodium citrate and/or 0.1-2 pts.wt. citric acid to 100 pts.wt. mixture of 50-80wt.% usual edible vinegar and/or salt-free UME vinegar with 20-50wt.% aqueous solution of tripotassium citrate at 5-10wt.% concentration.
Patent JP-S6067884-A (JP)
Inventor: TAKAMURA TOORU
IPC: H01L21/67
Filed: 1983-09-22
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-H0339402-A (JP)
Title: Manufacture of metal powder sintered body
Inventor: FURUKAWA HIROFUMI
IPC: B22F3/10
Filed: 1989-07-07
Abstract: PURPOSE:To obtain a sintered body having excellent performance even if metal powder easy to be oxidized is used by degreasing raw material powder with mixed graphite under non-oxidizing atmosphere after injection-molding and successively, heating under vacuum. CONSTITUTION:In the metal powder, the graphite powder of amt. corresponding to stoichiometrically oxygen in the powder, is blended and in this mixed powder, thermoplastic binder is added. This raw material powder is injection-molded and the formed body is held at the prescribed temp. under non-oxidizing atmosphere to degrease and after that, this is heated under vacuum to execute reduction and sintering to the metal powder. By this method, water atomized fine powder of low carbon low alloy steel having comparatively much content of oxygen can be used as the raw material. Further, the oxygen content in the sintered body is reduced and the mechanical property of the material is improved.
Patent JP-S5964199-A (JP)
Title: Press forming method in magnetic field for magnetic powder
Inventor: TAWARA YOSHIO
IPC: B30B11/00
Filed: 1982-10-04
Abstract: PURPOSE:To enable production of a magnet having an excellent magnetic characteristic by applying the impulsive compression generated by a dynamic pressure on the magnetic powder oriented in a static magnetic field and molding the powder by pressing. CONSTITUTION:Magnetic powder 6 is packed in the spacing between the upper and lower punches 4, 5 in the die 3 of a magnetic press body 1 provided with an electromagnet 2, and electricity is conducted to the electromagnet 2 to orient the powder 6 in the magnetic field direction by about 10 KOe magnetic field. An impulsive pressure generator 10 is then operated to apply an impulsive force on said punch 5, thereby molding the powder 6 by pressing. The generator 10 is constituted to project a hammer 13 by the high pressure gas produced by a compressor 18 and introduced into the pressure tank 14 of a press device from a pressure tank 16 through a reducing valve 17 and further into an airtight cylinder 11 and to blow the punch 5 via a plunger 12. An alloy of at least 1 kind of a rare earth element and at least >=1 kinds among Co, Fe, Cu and M (M is the transition metal except Co, Fe, Cu) is preferably used for the powder 6.
Patent JP-H0224658-A (JP)
Title: Photosensitive film of basic dye sensitizing dichromate system
Inventor: GOTO MASAYUKI
IPC: G03H1/02
Filed: 1988-07-13
Abstract: PURPOSE:To improve diffraction efficiency by adjusting the moisture content in the photosensitive film consisting of a water soluble high-polymer material contg. dichromate and dye to a specified value at the time of exposing red light to the photosensitive film. CONSTITUTION:The photosensitive film of the basic dye sensitizing dichromate is constituted of the water soluble high-polymer contg. the dichromate and dye and the moisture content in the photosensitive film is adjusted to >=10% at the time of exposing the red light to the photosensitive film. The moisture content in the photosensitive film is adjusted to >=30% at the time of multiple exposure of the red light and other color light to the photosensitive film. The diffraction efficiency is improved in this way.
Patent JP-H04370504-A (JP)
Title: Magnetic head and its manufacture
Inventor: ITO TOMIO
IPC: G11B5/187
Filed: 1991-06-19
Abstract: PURPOSE:To decrease the loss of magnetic reluctance, and to keep the conversion efficiency of a magnetic head high by jointing back side junction surfaces leaving practically no space. CONSTITUTION:This magnetic head is constituted by placing a pair of cores 3A and 3B opposite each other. The front side junction surface 4B and the back side junction surface 5B of the core 3B are positioned on the same plane. On the other hand, the back side junction surface 5A of the core 3A is inclined by an angle theta to the extension plane of its front side junction surface 4A. At the time of placing both the cores opposite each other, when the back side junction surfaces 3A and 5B are jointed leaving practically no space, a gap 6 with gap length G over 10mum preferably is formed between the front side junction surfaces 4A and 4B.
Patent JP-H0841314-A (JP)
Title: Elastic pavement
Inventor: OZAKI MASAYOSHI
IPC: C08G18/66
Filed: 1994-07-26
Abstract: PURPOSE:To provide an elastic pavement which is less likely to cause peeling of rubber chips on the surface of the pavement and can reduce the damage to the pavement and markedly improve the durability. CONSTITUTION:A pulverized rubber material is kneaded with a pretreatment prepd. by mixing under stirring an arom. polyamine, a polyol, a catalyst, a pigment, and a weathering agent as essential ingredients and, if necessary, an inorg. filler to prepare a pulverized rubber matermal coated with the pretreatment. The obtained rubber material is mixed with a polyurethane binder by stirring to prepare a pavement material, which is then spread on a substrate, such as concrete or asphalt concrete treated with a primer, leveled in the sheet form, and cured to prepare an elastic pavement.
Patent JP-S6066322-A (JP)
Title: Magnetic recording medium
Inventor: HASHIMOTO SHIGERU
IPC: G11B5/706
Filed: 1983-09-22
Abstract: PURPOSE:To obtain a magnetic recording medium particularly a magnetic disc having excellent durability, etc. by providing a magnetic layer contg. the magnetic metallic particles obtd. by reducing granular iron oxide magnetic particles in gaseous hydrogen flow at a high temp. in such a way that the squareness ratio in the three directions, length, width and thickness attain a specific value or above. CONSTITUTION:A granular material which is gamma-Fe2O3, Fe3O4, FeOx(1.33<x<1.5) having an intermediate degree of oxidation or iron oxide powder obtd. by modifying these iron oxides with Co and has <=0.35mu grain size and 1-3 long axis/ short axis ratio is reduced at about 350 deg.C in gaseous H2 flow to manufacture magnetic metallic powder. Such magnetic powder is dispersed in a binder contg. a vinyl chloride-vinyl acetate-vinyl alcohol copolymer and polyurethane elastoner, etc. to form a magnetic layer having >=0.5 squareness ratios in all of the three directions; length, width and thickness on a base. The magnetic recording medium having an excellent electromagnetic convertion characteristics and obviates periodic fluctuation of an envelope waveform is thus obtd. in high density recording, particularly with a magnetic disc.
Patent JP-H04369349-A (JP)
Title: Construction of bath piping system
Inventor: YAMAUCHI YOSHIFUMI
IPC: F24H9/12
Filed: 1991-06-18
Abstract: PURPOSE:To improve building efficiency through reducing the ratio of field work by a method wherein a hose having a flexible plastic pipe is integrally conveyed togetherwith the either one of a bath, to which the hose is connected, or a hot water feeder and during construction, the hose is extended from the one and connected to the other. CONSTITUTION:A bath unit 13 is manufactured such that a hose 12 is connected to a connection port 16 of a circulation metal 15 of a bath 11 at a shop and conveyed in a state that the hose 12 is connected to the bath 11. The hose 12 has length long enough to allow extension of it to a hot water feeder 17 and wound in the bath unit 13 for storage. A pair of soft polyvinyl chloride pipes for hot water outbound and inbound are covered with a common heat insulating material. Meanwhile, a hot water feeder 17 for additional burn is installed in a given position at an outdoor place. The hose 12 is drawn out from the bath unit 13 in which the hose is contained, and the other end of the hose 12 is connected to a connection port 22 of the hot water feeder 17 through an underfloor position 21 of a housing 21. The connection is carried out by means of a screw type hose band.
Patent JP-H04371006-A (JP)
Title: Dc feedback differential amplifying device
Inventor: HAYASHI SHIGERO
IPC: H03F3/45
Filed: 1991-06-19
Abstract: PURPOSE:To obtain a distortionless pulse signal without an influence of the change of the average level of a pulse signal of PCM communication by keeping balance without reducing the input impedance neither degrading the low frequency characteristic. CONSTITUTION:Values of resistances R1 and R2 of a DC feedback differential amplifier are equal to each other, and values of resistances R3 and R4 are practically equal to each other, and values of capacitors C1 C2 and C3 are practically equal to one another. Resistances R3 and R4 are so trimmed that the input offset is adjusted in the range where R1/R3 or R2/R4 is smaller than 1/2G where G is the degree of amplification of the differential amplifier.
Patent JP-H0835498-A (JP)
Title: Fuel pump
Inventor: KATO EISUKE
IPC: F02M37/10
Filed: 1994-07-26
Abstract: PURPOSE:To prevent any leakage of fuel at the isolation part of Wesco type fuel pump and improve the pump efficiency. CONSTITUTION:A fuel pump is provided with a pump housing having at least one pump room provided with a nearly C letter shaped fuel passage 15 between a fuel intake port and a fuel discharge port mutually isolated by an isolation part 18 and at least one impeller 30 having on its outer peripheral part, blades 31 extending in a radial direction, while the blades 31 are provided rotatably in the fuel passage 15. Labyrinth seal opposed to the outer peripheral edge and both side surfaces of the blades 31 of the impeller 30 is provided in the isolation part 18 of the fuel passage 15.
Patent JP-H0464029-A (JP)
Title: Inspecting method for hermetic coat optical fiber
Inventor: YAMAUCHI RYOZO
IPC: G02B6/44
Filed: 1990-07-03
Abstract: PURPOSE:To easily detect an insufficient carbon coat layer by a method wherein an optical fiber subjected to hermetic coating is placed in an ambience of hydrogen, an optical pulse having the absorption wavelength of hydrogen is let in from one end and, the scattering echo is monitored from the entering side of the pulse. CONSTITUTION:An optical pulse from an LD light source 1 is let into an optical fiber 4 subjected to hermetic coating via a condenser lens 2 and a directional coupler 3. A minute scattering light is scattered rearward when the optical pulse advances in the optical fiber 4. The light of the scattering light which returns back to the entering end is received by a photodetector 6 through the directional coupler 3 and measured. Accordingly, the state of loss of the optical fiber 4 due to hydrogen is measured. In order to enhance the measuring sensitivity, response waveforms of a plurality of optical pulses are taken into an electronic circuit and averaged. In this manner, an insufficient part of the carbon coat layer can be easily detected.
Patent JP-H0925820-A (JP)
Title: Cooling device in water cooled engine
Inventor: YAMAZAKI MASUHARU
IPC: F01P3/20
Filed: 1995-07-11
Abstract: PROBLEM TO BE SOLVED: To improve operability of maintenance by preventing frequent supplement of cooling water due to excessive consumption and seizure of an engine. SOLUTION: A thermostat housing 7 of a water jacket 2 of a water cooled engine E on its outlet side is communicated with an uper tank 11 of a radiator 10. The upper tank 11 of the radiator 10 is arranged on a position lower than the thermostat housing 7. A lower tank 12 of the radiator 10 is communicated with a suction port 15 of a circulation pump 14 to form a cooling water circulation passage. A sub-tank 20 is arranged on a highest level position of the cooling water circulation passage. The sub-tank 20, the thermostat housing 7, and the upper tank 11 of the radiator 10 are communicated with each other through an upper hose 9. A cooling water charging port 21 is formed on the sub-tank 20, which port 21 is openably closed by a pressure cap 30.
Patent JP-H0226374-A (JP)
Title: Control valve
Inventor: NAGAOKA YUKIO
IPC: F16K3/08
Filed: 1988-07-13
Abstract: PURPOSE:To reduce water flow noise, by forming a 1st hole on the inlet side and a 2nd hole on the outlet side of a rotor provided in a valve body, and forming restrictions at respective two positions of inlet and outlet due to providing an expanded part between both holes. CONSTITUTION:A rotor as a valving element is arranged in a valve body 1 having a 1st passage 1a and a 2nd passage 1b. The 1st passage 1a and a 1st hole 1a forming a 1st restriction are formed at the inlet side of the rotor 4. A 2nd hole 4c is formed at the outlet side of the rotor 4 and communicated with a 2nd restriction formed between a movable valve plate 6 fitted on the rotor 4 and the valve body 1. An expanded part 4d is provided between the 1st and the 2nd holes 1a, 4c. Hereby, the size of the 1st and the 2nd restrictions are changed by rotating the rotor 4 and the flow is adjusted. Noise can be reduced by generation of pressure loss due to restrictions at the two positions.
Patent JP-H0815307-A (JP)
Title: Fabrication of acceleration sensor
Inventor: TAMURA MASAYA
IPC: H01L29/84
Filed: 1994-07-04
Abstract: PURPOSE:To fabricate an acceleration sensor with high dimensional accuracy by eliminating an overetched part. CONSTITUTION:The method for fabricating a semiconductor acceleration sensor comprises a first etching step for making grooves 23, 23,... in a silicon wafer 21, a protective film forming step for depositing SiO2 24 at the parts on the lower side face of the silicon wafer 21 corresponding to the beam, the electrode plate and the mass part of an acceleration sensor, a step for bonding the silicon wafer 21 onto a glass substrate 25, a second etching step for etching the silicon wafer 21 from the upper side face thereof, as shown on the figure, and penetrating each groove 23 to form the fixed part and the movable part of the acceleration sensor while separating from each other, and a step for removing the SiO2 24. Since the SiO2 24 is deposited in the protective film forming step, overetching can be prevented in the second etching step thus realizing an acceleration sensor having high dimensional accuracy.
Patent JP-H1120650-A (JP)
Title: Anti-skid control device
Inventor: TAKEMOTO SHINYA
IPC: B60T8/58
Filed: 1997-06-30
Abstract: PROBLEM TO BE SOLVED: To provide an anti-skid control device with excellent pedal feeling by regulating a time to restrict motion of a brake pedal. SOLUTION: In an anti-skid control, existence of scheduled pressure intensified control during a prescribed time or more is determined on all of plural wheels 1-4. When existence of no plan to conduct pressure intensified control is determined in any wheel, plural two position valve 21-24 are controlled to conduct pressure intensified control within a prescribed time in at least one of plural wheels 1-4. That is, though a driver can not actuate a brake pedal 29 at the time of holding control, the driver can actuate the pedal 29 at the time of pressure intensified control. Therefore, pressure intensified control is conducted before the driver receives plate feeling.
Patent JP-H0339177-A (JP)
Title: Iron head
Inventor: HATTA MASAMI
IPC: A63B102/32
Filed: 1989-07-06
Abstract: PURPOSE:To increase the flying distance of a ball and improve the closely contacting property of the ball with a face by providing a core section, with a ferrite base for separating out ingot-shaped graphite, to provide an outermost surface with a ferrite layer, and by having a pearlite layer for separating out no graphite, between the ferrite layer and the ferrite base of the core section. CONSTITUTION:The base texture of the core section of an iron head is a ferrite texture, and ingot-shaped graphite is scattered, and the Brinell hardness of the core section is about 125. Besides, near a surface, the double structure of a ferrite layer and a pearlite layer is formed, and the ferrite layer on an outermost surface includes no graphite, and the Brinell hardness of the layer is about 135, and is excellent in rigidity and the fitting of plating. Besides, the Brinell hardness of the pearlite layer is about 225, and it is rigid and strength is applied to the ferrite layer on the outermost surface, and the layer has recession-and-damage-proof effect.