baber/WOPTO huggingface dataset:
Patent JP-H02278520-A (JP)
Title: Optical information recording method and optical information recording and reproducing device
Inventor: YAMAGUCHI EIJI
IPC: G11B7/00
Filed: 1989-04-19
Abstract: PURPOSE:To increase information content for each bit and to improve density by recording information by two kinds of optical energy at least so as to be unsaturated recording at the time of recording. CONSTITUTION:When the multi-value level of a recording medium is selected to be ternary, a medium 1 is composed of a transparent protected layer 101, recorded layer 102, high reflection layer 104 and rear side protected layer 105 and in a position (a,) a bit 103a, for which the recorded layer is decolored by a thermal change, recorded by first recording power 40 is formed. In a position (b,) a bit 103b, for which the layer 102 is perforated and the layer 104 is exposed, is formed by second recording power 42 larger than the first recording power. A waveform to reproduce this bit 103b is shown like (III) and with the level of an unrecorded part as a reference, ternary processing is executed for levels which are higher and lower than this reference level only by a prescribed value. Accordingly, 1.5-fold high density information can be executed in comparison with binary recording.
Patent JP-S5525826-A (JP)
Title: Tape reel for cassette video tape
Inventor: WATANABE KOUJI
IPC: G11B23/037
Filed: 1978-08-11
Abstract: PURPOSE: To economize the costly materials for the small projection by providing the small projection of the reel side which engages with the reel press bar of the case side to the small projection holder parts sufficing with a reratively small size and then connecting the flange to the hub via the hooking means.  
     CONSTITUTION: Flanges 2a and 2b are provided across hub 1 of the reel, and small projection 4 engaging with the tape reel press bar of the cassette case side is provided to one end part on the central axle. Hub 1 unified with flange 2b is separated from flange 2a facing to projection 4, and small projection holder parts 11 mounted on flange 2a is installed separately. Then flange 2a is held between parts 11 and hub free end 10 via complementary hooking means 15 provided to end 10 via pierced hole 18 drilled to flange 2a plus hooking means 16 and 17 featuring the reverse hooking. Thus the costly materials can be economized for parts 11 which uses the high anti-abrasion resin. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H10288478-A (JP)
Title: Heat exchanger
Inventor: KANEDA TAKAYOSHI
IPC: F28F3/08
Filed: 1997-04-15
Abstract: PROBLEM TO BE SOLVED: To use a heat exchanger for high pressure by a constitution wherein a reinforcing material which can support a primary surface plate for cold gas and a primary surface plate for hot gas in the stacking direction is inserted and disposed inside one of a cold gas passage and a hot gas passage, at least. SOLUTION: A reinforcing material 33 which can support a primary surface plate 12 for cold gas and a primary surface plate 20 for hot gas in the stacking direction (longitudinal direction 21) is inserted and disposed inside an air passage 24 and a gas passage 25. A force of support by the reinforcing material 33 is obtained afresh in addition to the force of mutual support of a contact part of the crest 1 of a wave of the primary surface plate 12 for cold gas and the trough 2 of a wave of the primary surface plate 20 for hot gas and the force of mutual support of the contact part of the trough 2 of the wave of the primary surface plate 12 for cold gas and the crest 1 of the wave of the primary surface plate 20 for hot gas, and thereby the withstand pressure strength of the air passage 24 and the gas passage 25 is increased. Thereby a heat exchanger can be used for high pressure.
Patent JP-H11308925-A (JP)
Title: Artificial cultivation of mushroom
Inventor: KONO YUKIHIRO
IPC: A01G1/04
Filed: 1999-04-05
Abstract: PROBLEM TO BE SOLVED: To provide a method for artificial cultivation of mushrooms by which a relatively inexpensive material can be used as a culture base material or a nutrient to afford a higher yield than that in a conventional method. SOLUTION: This method for artificial cultivation of the mushrooms comprises using a culture medium for the artificial cultivation of the mushrooms characterized as containing a cottonseed shell. Yield increasing effects are good when using the cottonseed shell in an amount of 15-60% based on the dry weight of the culture medium. For example, Lyophyllum ulmarium and further Lentinus edodes Sing., Panus ostreatus Quel., Flammulina velutipes Sing. and Grifola frondosa S.F. Gray are cited as the mushrooms cultivable in good yield by using the cottonseed shell as the culture medium.
Patent JP-S5621061-A (JP)
Title: Measurement of component proportion in two-pack adhesive
Inventor: OKUI TERUTSUGU
IPC: G01N31/00
Filed: 1979-07-31
Abstract: PURPOSE: To detect the mixing ratio of adhesive simply, quickly and accurately by utilizing a definite relation among a mixture ratio, a gelation time and a reaction temperature.  
     CONSTITUTION: A verification substance, for example, polyphenyl polyisocyanate, compounds crosslinked with methylene, one of the isocyanate compounds, which forms a gel substance by reacting with the effective constituent of at least one liquid of the two-pack adhesive components, for example, a hardening agent composite consisting of amino compounds, is added to a part of the two-pack adhesive, and by measuring the gelation time of the mixture, the mixture ratio of the adhesive is detected. The verification substance to be used in this case may be the one which forms a gel substance by reacting with the effective constitutent of one of the two liquids or the one which forms a gel substance by reacting with the effective constituents of both liquids. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H07308090-A (JP)
Title: Phase correcting method for motor drive circuit
Inventor: HAYAKAWA TATSURO
IPC: H02P6/16
Filed: 1994-05-11
Abstract: PURPOSE:To make it possible to make a motor smaller and thinner without adding any sensor for phase detection by controlling applied voltage supplied to a motor and counter electromotive force generated in the coils of the rotor according to FG signals so that they will be in phase. CONSTITUTION:The output of a FG signal detector 6 is input to a waveform counter 7 and further a phase correction signal generator 11. The phase correction signal generator 11 is a means for detecting phase delay or advance between applied voltage supplied to a motor 1 and the current of counter electromotive force generated due to the applied voltage. The phase correction signal generator 11 generate phase correction signals based on the applied voltage of the motor 1 and the FG signals of the current of the rotor coils, and outputs them to a microcomputer 5. Driving waveform data is taken out of ROM in a drive control unit 2 according to a value, as an address, obtained as the result of arithmetic operation by the microcomputer 5. The driving waveform data taken out is converted into analog signals by a digital-to-analog converter 3. It is amplified by an amplifier 4 and then supplied to the motor 1.
Patent JP-S5724689-A (JP)
Title: Removal of iron oxide from drain system water in power generating plant and apparatus therefor
Inventor: SUZUKI MAMORU
IPC: C02F1/48
Filed: 1980-07-18
Abstract: PURPOSE: To remove iron content which was dissolved from main equipment, apparatuses, and line pipes and accoumulated in system water, by subjecting a drain, from a high pressure feed water heater in a power generating plant system, to magnetic separation.  
     CONSTITUTION: In the system of a power generating plant, feed-water flows  through a condenser 2, a plurality of hot wells 3, a condensate line pipe 4, a condensate pump 5, a condensate desalinator 6, a condensate-pressurizing pump 7, low pressure feed-water heaters 8A-8C, a deaerator 9, a water reservoir 10 for the deaerator 9, a feed line pipe 11, a feed-water pump 12 and high pressure feed-water heaters 13A-13C into a boiler 14, to geneate steam, passes through a steam pipe 15, works in a turbine 1 and returns to the condenser 2. In this system, iron dissolves in the system water due to the corrosion of the drain line pipe system of the high pressure feed-water heaters, and deposits and adheres as iron oxide onto a constructional part in the downstream zone. Therefore, a magnetic attraction means is provided in each of the drain pipes 17A-17C to catch and remove the iron oxide. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H01267674-A (JP)
Title: Image forming device
Inventor: NAKAJIMA YOSHIHIRO
IPC: G03G15/09
Filed: 1988-04-20
Abstract: PURPOSE:To form an excellent image of high density having no print blur by arranging toner of large particle size with toner which is developed on a sleeve for toner conveyance in addition to the toner which is developed. CONSTITUTION:The toner 6 which has the same composition with the magnetic toner 5 used for development and has larger particle size than the magnetic toner 5 is stuck uniformly on the nonmagnetic conductive sleeve 1, the toner 5 to be used for development is put in a toner hopper 7, and the sleeve 1 is rotated clockwise and a magnet roller 2 having eight magnetic poles is rotated counterclockwise. A toner layer on the sleeve 1 is agitated not partially, but on the whole to prevent crushed toner and toner of relatively small particle size from cohering nearby the sleeve 1. Further, the agitating force of the toner layer on the sleeve 1 is increased to increase the probability that the toner contacts a friction member, thereby stabilizing the electrostatic charging quantity of the toner. Consequently, the excellent image of high density having no print blur is formed.
Patent JP-S5622162-A (JP)
Title: Rotational distortion compensation processing system for input pattern
Inventor: YOSHIDA MASUMI
IPC: G06F3/048
Filed: 1979-07-31
Abstract: PURPOSE:To ensure the compensation for the rotational distortion by a comparatively simple process, by extracting the point on the pattern received the rotational distortion as the 1st coordinate position information which is given from the picture memory corresponding to the three points fixed previously on the input picture. CONSTITUTION:Input pattern 2 is read by picture input device 6 and then stored in picture memory 7. With display of the contents of memory 7 on display 9, pattern 3 received the rotational distortion is displayed. Using pattern 3, points O, O, Xa, Ya, Xb, Yb, Xc and Yc are supplied via light pen 10, and then the coordinate of each point is stored in table memory 11. If grid 4 of the mXn mesh is designated previously, coordinate values x' and y' of grid 5' are calculated to be stored in address table memory 13. Values x' and y' are then supplied to address control part 8, and part 8 gives a control so that the mesh information of mXn units may be read out of the address positions corresponding to x' and y' on memory 7. This information is regarded as the information of grid 5' having coordinate valves x and y of pattern 2 to be processed.
Patent JP-H06304654-A (JP)
Title: Method for controlling velocity in continuous processing line
Inventor: NAKAYAMA TEIJI
IPC: B21C47/00
Filed: 1993-04-23
Abstract: PURPOSE:To provide a method to control an acceleration on the entrance side as low as possible so that a looper on the entrance side is returnable to a synchronizing position before the starting time for deceleration on the entrance side, in a continuous processing line. CONSTITUTION:At the restarting time after stoppage in the entrance side, from the predicting value of the velocity Vc of a central section and a forwarding length on the entrance side before the next stoppage on the entrance side, by the use of a relation (accumulating total of forwarding length on entrance side)-(accumulating total of central advancing length)=(returning quantity of looper on entrance side), the acceleration reference on the entrance side is determined by which the looper on the entrance side is returned to a synchronizing position at a prescribed timing before the start of deceleration stoppage on the entrance side, and consequently the accelerating velocity Ve in the entrance side is controlled. Thus, the generation of the walk of a strip is controlled.
Patent JP-H03297038-A (JP)
Title: Liquid cooled cathode ray tube
Inventor: OSHIMA TAKAO
IPC: H01J29/89
Filed: 1990-04-16
Abstract: PURPOSE:To prevent a glass panel from breakage for a long time despite repeated rise and fall of the temp. in a great width by dimensioning height of that of the two side walls of a groove fitted with a packing which is situated farther from the center of panel as 60-90% of the height of the other side wall situated innermore. CONSTITUTION:The height h0 of that of the two side walls of a groove 2C1 fitted with a packing 4 that is situated farther than the center of a panel shall be 60-90% of the height hi of the other side wall situated innermore, and the confronting surface distance relative to the outer surface of CRT panel is prolonged. For example, the height hi of the innermore side wall of the groove 2C1 is dimensioned as 2.0mm, the distance ti of the end face of innermore side wall from the panel outer surface 1b as 0.1mm, the height h0 of the outermore side wall as 2.0X0.9=1.8mm, and the distance t0 of the end face of the outermore side wall from the panel outer surface 1b as 0.3mm. Thereby the panel is ensured free from breakage for a long period despite repeated rise and fall of the temp. in a great width on glass panel.
Patent JP-H04328429-A (JP)
Title: Radiation photodetector
Inventor: KAWAI TAKASHI
IPC: H01L31/09
Filed: 1991-04-26
Abstract: PURPOSE:To make it possible to measure incident radiations in all bearings accurately at the same time by forming a detecting element on a member having the curved surface. CONSTITUTION:Cylindrical (n) type silicon 10 is formed by micromachining. A (p) layer is formed on the entire surface by diffusion, CVD and the like. Then, an electrode 11a is formed on the (p) layer by vapor deposition and the like. An electrode 11b is formed on the (n) layer. With this constitution, the radiation (light) from the circumferential direction can be measured. The (p) layer is formed on the entire surface of the (n) type silicon 12. A hole is formed at a part of the spherical surface, and a conductor member 14 is inserted under the insulated state from the (p) layer. An electrode 13b is formed on the (p) layer. In this constitution, the radiations (light) from all directions can be measured.
Patent JP-S5723238-A (JP)
Title: Suction tweezers
Inventor: SASAZAKI KIMITOSHI
IPC: H01L21/68
Filed: 1980-07-17
Abstract: PURPOSE:To obtain a suction tweezers which is operated easily and reliable in holding, by providing on a movable arm a second nozzle in regard to a first nozzle connected to a body, and by driving the arm or changing over the nozzles. CONSTITUTION:A control valve 7 is adjusted, and a changeover valve 8 is set on the side of a first nozzle 2. With the nozzle 2 contacted with the wafer surface peripheral part hardly damaged, the wafer is sucked and raised until it is titled. Then, with the control valve 7 set, a piston 6 is moved to put an arm 3 forward. The changeover valve 8 is set on the side of a second nozzle 4 to such a back surface of the wafer with the nozzle 4 securely. By such a constitution, it is possible to obtain a pair of tweezers which can reliably hold wafers with a simpler operation and has no reduction in product yield.
Patent JP-H03294841-A (JP)
Title: Liquid crystal projector
Inventor: HARA MASAHARU
IPC: G02F1/13
Filed: 1990-04-13
Abstract: PURPOSE:To make the brightness of a screen double by magnifying and projecting polarized waves emitted from two sets of liquid crystal projector units under a state that they are mutually perpendicular on the screen after they are composed with the aid of one polarized wave composition means. CONSTITUTION:A liquid crystal projector is constituted of two sets of liquid crystal projector units U and U' being as a polarized wave emission means, a polarizing beam splitter 11 being as the polarized wave composition means, a projecting lens 12 being as a projection means and the screen 13. Therefore, the polarized waves which are emitted from two sets of liquid crystal panels and which are perpendicular each other are composed by the beam splitter 11, transmitted through the projecting lens 12 and magnified and projected on the screen 13 as an image. Thus, the brightness of almost double is obtained without damaging an advantage such as portability, the facility of installing, and color reproducibility.
Patent JP-H01270748-A (JP)
Title: Motor armature
Inventor: ONO TOSHIFUMI
IPC: H02K3/487
Filed: 1988-04-20
Abstract: PURPOSE:To prevent a coil from removing from a core slot effectively and inexpensively without reducing its performance by forming open groove stripes extending toward a shaft at a plurality of positions of the outer periphery of a core as slots to be inserted with coils. CONSTITUTION:A core 1 to be mounted on a motor shaft 3 is composed of a thick core sheet 1A, thin core sheets 1B, 1C provided at a predetermined interval at both sides of the sheet 1A. The sheets 1A-1C are provided at the interval to form deep grooves 12 to the shaft 3 from the outer periphery between the end faces of the sheets 1A-1C. Many U-shaped groove stripes 11A-11C to both end faces are formed at an equal interval on the outer peripheries of the sheets 1A-1C, they form many slots 11 extending toward the shaft in coincidence at the angular positions. A plurality of coils 2 extending from a commutator 4 are respectively inserted to the slots 11.
Patent JP-S59223857-A (JP)
Title: Error data cut-off circuit
Inventor: EJIRI MASAHARU
IPC: H04L1/22
Filed: 1983-06-03
Abstract: PURPOSE:To simplify an operation for constitution of a system which performs a synchronizing operation through a double structure, by receiving data from a normal device via a bi-directional data line when a data error is detected. CONSTITUTION:The data check is carried out with an interface signal between devices, and this system is connected to the system of the remote side via bi-directional data lines 120 and 121. When an error is detected, the normal data of the remote side system is received via the lines 120 and 121. Thus the operation is possible with devices excepting the faulty device, and the faulty device is cut off. This simplifies an operation of the system constitution.
Patent JP-S61256347-A (JP)
Title: Alkali-soluble siloxane polymer
Inventor: SUGIYAMA HISASHI
IPC: C08G77/00
Filed: 1985-05-10
Abstract: PURPOSE:To obtain a polymer superior in oxygen plasma resistance by incorporating a specified unit in a siloxane skeleton. CONSTITUTION:The siloxane skeleton contains, in an amt. of >=40mol%, essential units each represented by the formula shown on the right in which R1 is H or a monovalent org. group except an aromatic group; R2, R3 are each H, Cl, or a monovalent org. group; l is an integer of 1-6; and k is 1 or 2. Since this siloxane polymer is soluble in general-purpose org. solvents, it can be formed into a film, and since it is soluble in aq. alkaline solns., it can be used as an alkali-developable positive type resist by combining it with o- quinonediazides and as an alkali-developable negative type resist by combining it with bisazides, and this siloxane polymer itself alone can be used an alkali- developable negative type electron beam resist, and it can be used as an alkali- developable positive type electron beam resist by combining it with poly(olefinsulfone).
Patent JP-H07280418-A (JP)
Title: Cooling device
Inventor: KUBOTA TOSHIAKI
IPC: F25D21/08
Filed: 1994-04-11
Abstract: PURPOSE:To prevent damage caused by elongation during heating by a drain pan heater. CONSTITUTION:There are provided a drain pan 14 of metal on the upper side of the bottom wall 13 of an insulating box and under a cooler 17 and a drain pan heater 89 which is placed movably over the drain pan 14. Spacers 92 are attached respectively to curved parts 89B, 89B of the drain pan heater 89 positioned close to the side of an inner casing 6.
Patent JP-H03295946-A (JP)
Title: Driving-out dowel metal fitting and wall substrate structure of framework wooden construction using thereof
Inventor: SATO KEIJI
IPC: E04B2/56
Filed: 1990-04-12
Abstract: PURPOSE:To facilitate installation work by fixing a framework member and a wall substrate member consisting of frame members by a driving-out dowel metal fitting having a flange part and an operation part between a screw part and a dowel part. CONSTITUTION:A driving-out dowel metal fitting 1 is formed by installing a flange part 13 and an operating part 14 such as a spanner fitting, etc. between a screw part 11 and a dowel part 12. A prepared hole 27 is formed on the frame bodies 21 and 22 of a wall substrate member 2 for installing a wall member, and the driving-out dowel metal fitting 1 is screwed. Then, the dowel part 12 is inserted into the dowel hole 31 of a framework member 3, and the operating part 14 is turned by a tool, etc., and the wall substrate member 2 and the framework member 3 are fixed. Accordingly, the installation work can be made simple.
Patent JP-S5221502-A (JP)
Title: Water supply method to the exhaust gas economizer in a steam generator
Inventor: SUGIMURA HIROMASA
IPC: F22B1/18
Filed: 1975-08-12
Abstract: PURPOSE: In an exhaust gas economizer of a Diesel ship, the enlarging of the temperature difference between exhaust gas and boiler water provides the water supply method that allows the generation of a great deal of steam. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H06290539-A (JP)
Title: Magnetic disk device
Inventor: MACHIDA TADAYASU
IPC: G11B19/27
Filed: 1993-04-02
Abstract: PURPOSE:To prevent the deterioration due to fatigue and to prolong the life by twisting the advancing direction axis in the position where a path is changed by an idle pulley on a driving belt forming a ring containing a DC motor and a turntable. CONSTITUTION:The driving belt 7 is provided with a diamond-shaped section. A motor pulley 5, a chuck base pulley 2 and the idle pulley 8 are provided with a triangular groove dealing with the belt 7. The belt 7 is driven by the pulley 5 fixed to the rotary shaft of the DC motor 6 to drive the pulley 2. At this time, although the belt 7 is applied with compression stress in the inside of the ring at both positions of the pulleys 5, 2, and is applied with drawing stress in the outside, the advancing direction axis of the belt 7 is twisted by roughly 90 deg. in the pulley 8, and the position of a vertex P is changed. Thus, the belt 7 is applied with the stress roughly equivalent to the stress applied in the positions of the pulleys 5, 2, and the deterioration due to the fatigue is reduced.
Patent JP-2000291806-A (JP)
Title: Segment ring
Inventor: KAKIZAKI YUJI
IPC: F16F1/02
Filed: 1999-04-06
Abstract: PROBLEM TO BE SOLVED: To reduce radial height by positioning a stopper pin locking the rotation of a segment ring at the same level as a gutter spring radially. SOLUTION: In this segment ring X constructed of three segment pieces 1a, 1b, 1c, a spring groove 11 is arranged in the outer circumferential faces of the segment pieces 1a, 1b, 1c, and a gutter spring 2 is fitted in the spring groove 11 so as to maintain a ring shape formed of the respective segment pieces 1a, 1b, 1c. In addition, thickness directional notches 10a-10c are formed in the approximately central parts of the outer circumferential edges in the respective segment pieces 1a-1c, and stopper pins 3a-3c are passed through the notches 10a-10c so as to be housed. The stopper pins 3a-3c are arranged at the same level radially as the gutter spring 2. In this way, radial height of a segment seal can be lowered.