baber/WOPTO huggingface dataset:
Patent JP-2000339740-A (JP)
Title: Objective lens, optical head and optical information recording/reproducing device
Inventor: YASUDA AKIHIRO
IPC: G11B7/09
Filed: 1999-05-25
Abstract: PROBLEM TO BE SOLVED: To provide an objective lens capable of excellent recording/reproducing information even if resonance of a rolling mode is generated in an optical lens driving device. SOLUTION: In an objective lens having the number of aperture of 0.6 or more which converges luminous flux from a light source into an optical disk, a coma aberration caused by an inclination of the objective lens is reduced. In this case, the third coma aberration component of a wave front aberration generating when the optical axis of the objective lens is parallel to the normal line of the optical disk and the central axis of luminous flux is inclined by one degree to the normal line of the optical disk is made larger than 0.02 λrms (where, λ is a wavelength of luminous flux),  and the third coma aberration component of the wave front aberration generating when the central axis of luminous flux is parallel to the normal line of the optical disk and the optical axis of the objective lens is inclined by one degree to the normal line of the optical disk is made smaller than 0.07 λ rms.
Patent JP-H11327389-A (JP)
Title: Recording medium, intermediate recording medium, device and method for removing image forming material, and transferring device
Inventor: MAGAI MASARU
IPC: G03G21/00
Filed: 1998-05-11
Abstract: PROBLEM TO BE SOLVED: To realize a recording medium and an intermediate recording medium excellent in image quality and removing performance, and to realize a device and method for removing an image forming material from the recording medium and the intermediate recording medium, and a transferring device. SOLUTION: Plural sheets of recording media 2 placed in the paper feeding case 101 of a paper feeding unit U1 are fed one by one to a removing unit U2 by the image forming material removing device, and the recording media 2 are fed and moved through a zigzag carrying path while being held by peeling belt 214 and 215 and being pressurized by a specified pressure, and also are heated to a specified temperature at the removing unit U2. A coating layer consisting of an image forming material and PVDF(polyvinylidene fluoride) or the like having a releasing property and compatibility is formed on the surface of a base material consisting of paper or plastic film at the recording media 2, and the image forming material is transferred and removed from the recording media 2 to the peeling belts 214 and 215 while it is being zigzag fed.  The recording media 2 transferred and removed of the image forming material are stored inside the ejected paper cassette 402 of an ejected paper unit U4.
Patent JP-H08303680-A (JP)
Title: City water hose coupling part inserting type impurity removing device
Inventor: HANNO MIGAKU
IPC: F16L55/24
Filed: 1995-05-08
Abstract: PURPOSE: To achieve filtration of at impurities causing damage of equipment, elimination of remaining of impurities and decrease of the adverse effect of impurities to various results of work to be performed by the equipment, so as to provide a sanitary filter to be easily handled, by inserting an impurity removing device between an electrical equipment provided with an automatic water supply mechanism for city water, well water, etc., and a hose (a standardized article) to which a faucet is to be connected. CONSTITUTION: A spring type variable part (a bearing) 2 is provided on the upper part of an impurity filtering and removing part 1, and a coupling part 3 to serve as a main shaft for the connection to a secondary side equipment and a machine is provided on the lower part of the impurity filtering and removing part 1. The whole part other than the movable part 2 is molded, and the state of filtration and elimination of impurities can be seen through the device.
Patent JP-S632291-A (JP)
Inventor: MUTA MASAMI
IPC: H05B6/74
Filed: 1986-06-20
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-H09325824-A (JP)
Title: Power source stabilizing circuit
Inventor: UCHINO MASAFUMI
IPC: G05F1/56
Filed: 1996-06-07
Abstract: PROBLEM TO BE SOLVED: To provide a simple and an inexpensive power source stabilizing circuit by using a bipolar transistor TR to turn on and off an output voltage control TR. SOLUTION: When an ON/OFF signal is set at a low level, an NPN TR2 and an ON/OFF TR3 are turned off to cut the base voltage of a control TR1 and also to turn off the output voltage VOUT. When the ON/OFF signal is set at a high level while the input voltage VIN is applied, both TR2 and TR3 are turned on to supply the base voltage to the TR1 and to turn on the voltage VOUT. When the base-emitter voltage of the TR1 and the Zener voltage of a Zener diode ZD1 are set at VBE and VZ respectively, the voltage VOUT is equal to VZ+VBE in its ON mode and stabilized by the Zener voltage VZ.
Patent JP-S6125031-A (JP)
Title: Color sensor
Inventor: KANBE YOSHIAKI
IPC: G02F1/055
Filed: 1984-07-13
Abstract: PURPOSE:To eliminate dispersion in received light, by providing a PLZT electronic chopper having the functions of optical modulation and a filter in a light projecting system, changing a voltage applied to the chopper, thereby changing spectroscopic transmittance. CONSTITUTION:A light projecting system 20 is formed by a light source lamp 1, a light projecting optical system 3 and a PLZT electronic chopper 14. A polarizing plate 18 is bonded to a PLZT wafer 16 having an electrode 15 by a low- viscosity resin 17. Glass 19 is stuck to each of the polarizing plates 17. Thus the chopper 14 is formed. A light receiving system 21 is formed by a light receiving optical system 8 and a light receiving element 11. A driving circuit 23 for the chopper 14 and an I-V conversion amplifier circuit 22 of the electric signal of the element 11 are controlled by a control circuit 24. A voltage applied to the chopper 14 is changed and its spectroscopic transmittance is changed. The color of the reflected light from a body 2 is judged. Thus movable parts can be omitted from the light projecting and receiving systems 20 and 21.
Patent JP-H0311851-A (JP)
Title: Communication controller
Inventor: YOSHIDA MASAYUKI
IPC: H04L29/08
Filed: 1989-06-09
Abstract: PURPOSE:To return a reception confirming packet reflecting on an newest data packet by providing a 1st storage section storing a prescribed value of data packet number, a 2nd storage section storing a packet number upper limit value, a comparison arithmetic section and a reception confirmation return section. CONSTITUTION:A reception data packet control section 12 stores a reception data packet and an analysis section 14 revises a value N of a counter 17 when the packet is normal. A comparison arithmetic section 18 compares an upper limit value n2 of a storage section 15 with a lower limit value n1 of a storage section 16 at arithmetic sections 18, 19. The reception confirmation is returned quickly in the case of N=n2 and no confirmation is returned in the case of N<n1. The presence of unanalyzed reception data packet is checked by a flag of a reception data packet control section in the case of n2>N>n1 and the reception confirmation is returned in the case of the absence and the packet is analyzed in the case of the presence. Thus, the newest reception confirmation is returned in the packet number N of the relation of n2>N>n1. When the reception enable packet already exists, the older information is omitted and the transmission processing of the reception enable packet return section 20 is omitted.
Patent JP-H10329718-A (JP)
Title: Train operation control system
Inventor: TOKUMARU MAKOTO
IPC: G06Q40/00
Filed: 1997-06-03
Abstract: PROBLEM TO BE SOLVED: To make the delay of a continuing train so as to hold it down to smallness, by calculating such a running speed as being suited to a succeeding train in due consideration of the accurate existing track position and the running speed of a preceding vehicle and the status of waiting passengers at each station. SOLUTION: Information on those of a running speed, an existing track position or the like of each train detected by two onboard monitors 14a and 14b is acquired by way of a train radio, and these data of the information and another information on a passenger number counter terminal 15 are joined together, whereby the speed and position of each train are predicted by a train traveling guider 10, and when any delay of a preceding train has occurred, calculations of a succeeding train conducting time curve and an optimum running speed are carried out in use of this predicted result, and these data are transmitted to the onboard monitors 14 and 14b in use of the train radio.
Patent JP-H09323347-A (JP)
Title: Polyester film and its manufacture
Inventor: TSUNEKAWA TETSUYA
IPC: C08L67/02
Filed: 1996-06-07
Abstract: PROBLEM TO BE SOLVED: To enhance the modulus of rigidity of liquid crystalline polyester fiber and eliminate its surface defect and further, reduce its oligomer quantity buy blending non-liquid crystalline polyester and liquid crystalline polyester with a specific wt.% of fluidization promoter which reduces a filtration pressure at least in a specific value during the passage of these polymer through filter. SOLUTION: In a method for manufacturing a film by filtering a polymer after extruding it in a molten state from an extruder, the molten polymer is extruded from the extruder which blends non-liquid crystalline polyester and liquid crystalline polyester with one wt.% of addition of fluidization promoter which reduces a filter pressure by at least 10% to be filtered into a film, Further, the non liquid crystalline polyester and the liquid crystalline polyester are blended with the fluidization prompter which is a low molecular weight liquid crystalline polyester of the monopolymer or the copolymer type with a number average molecular weight of 1000-15000 to obtain the film.  Thus it is possible to inhibit the shape relaxation of the liquid crystalline polyester fiber and consequently, enhance its modules in torsion and eliminate its surface defect, and further reduce it oligomer quantity.
Patent JP-S5477656-A (JP)
Title: Crosslinking of polyolefin and production of corsslinked polyolefin insulated wires
Inventor: SATOU MASAKATSU
IPC: C08L33/02
Filed: 1977-12-02
Abstract: PURPOSE: To obtain a corsslinked polyolefin for insulated wires having steady appearance, by extruding and moding pellets impregnated with a silane, a radical initiator, siloxane condensation catalyst, and a polyhydric phenol.  
     CONSTITUTION: Pellets of a polyolefin, e.g. low-density polyethylene, etc. are impregnated with a liquid, wherein (A) a silane, e.g. vinyltrimethoxysilane, etc., (B) a radical initiator, e.g. dicumyl peroxide, etc., (C) an antioxidant, e.g. poly- 2,2,4--trimethyl-1,2-dihydroquinoline, etc., (D) a siloxane condensation catalyst, e.g. dibutyltin dilaurate, etc., and (E) a phenol, e.g. 4,4'-isopropylidenebisphenol, etc. having a molecular weight ≤ 400, and two or more hydroxyl groups are dissolved, at 60W80°C with agitation. The pellets thus obtained are molded by an extruder under heating into an article, which is brought into contact with water and crosslinked. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-2000113961-A (JP)
Title: Creep discharge lightning arrester
Inventor: MOROOKA YASUNARI
IPC: H01T4/14
Filed: 1999-05-25
Abstract: PROBLEM TO BE SOLVED: To conduct inexpensive wire severance/momentary power interruption preventing countermeasures without using a ZnO element for reducing the lightning protection countermeasure cost of an overhead line. SOLUTION: On an overhead line constituted of an insulated electric wire, the conductor exposure side 15 of a lightning arrester main body 14 formed by folding the insulated electric wire having the insulation corresponding to that of a power cable into two is connected to the insulator ground side 13, the insulating cover side 16 is arranged on a discharge electrode 4 side provided on the overhead line 1, and the insulating cover of the overhead line 1 on the insulating cover side 16 is penetrated and broken by the needle electrode of the discharge electrode 4 in advance in this creep discharge lightning arrester.  When the overhead line is constituted of a bare wire, the conductor exposure side 15 of the lightning arrester main body 14 formed by folding the insulated electric wire having the insulation corresponding to that of the power cable into two is connected to the insulator ground side 13, and the insulating cover side 16 is arranged on the overhead line.
Patent JP-H06330156-A (JP)
Title: Laser quenching method
Inventor: KUMAKAWA MAKOTO
IPC: C21D1/09
Filed: 1993-05-25
Abstract: PURPOSE:To perform a deep hard-facing on a small component by a laser quenching. CONSTITUTION:A material 15 to be worked is dipped in a liquid coolant 17, the surface in a cooled state is irradiated with a laser beam and locally heated to raise the temperature. The heat is conducted peripherally at the heated temp. rising part and the material itself is cooled, since the material 15 is cooled in the coolant in this case, the elevation of temp. is not so much except the heated temp. rising part, consequently, the cooling of the heated and temp. rising part by the laser beam is sure, and a deep hard-facing is made possible.
Patent JP-S5371748-A (JP)
Title: Torque control method
Inventor: OKADA TOKUJI
IPC: F16H49/00
Filed: 1976-12-06
Abstract: PURPOSE: To obtain a torque control method that realizes the continuous control of torque, can eliminate the difficulty of the movement of a machine due to wear force and is particularly suitable for use to an artificial arm, an artificial leg, etc. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H08190731-A (JP)
Title: Heat-mode recording material
Inventor: DEIRU DON
IPC: G11B7/2433
Filed: 1995-05-18
Abstract: PURPOSE: To obtain the heat mode recording material of a thin metal layer which reduces an interference pattern of laser recording or has no interference pattern by making the heat mode recording material includes a base, a layer containing a roughening agent, a metal recording layer, and a protection material in this order. CONSTITUTION: The heat mode recording material is formed of (a) the base, (b) layer containing the roughening material, (c) metal recording layer, and (d) protection material in this order. In concrete, the metal layer is preferably a thin bismuth layer which is vacuum-deposited to a thickness of 0.1-0.6μm. The roughening agent has a mean grain size of preferably 0.3-2.0μ m and most preferably about 1.0μm, and consists of polymethyl metacrylate beads, and the layer containing the roughening agent can be an undercoat layer of the base or an extra layer between the undercoat layer and metal layer. The protection material preferably contains coating paper and an adhesive layer.
Patent JP-S6039129-A (JP)
Title: Method for igniting starting material for sintering
Inventor: HASHIMOTO HIROMITSU
IPC: C22B1/20
Filed: 1983-08-10
Abstract: PURPOSE:To reduce the quantity of energy required to ignite starting materials for sintering and to improve the quality and yield of sintered ore by feeding unignited fuel to the surface of a layer of the starting materials on a pallet and by igniting the surface layer of the starting materials. CONSTITUTION:Starting materials 2 for sintering are fed to a sintering pallet 8 from a starting material feeding hopper 4 through an ore feeding shoot 6, and the surface is leveled to form a layer of a prescribed depth. Unignited fuel 18 is fed to the surface of the materials 2 on the pallet 8 with a suitable ignition assisting device 17, and it is uniformly spread. The materials 2 covered with the fuel 18 enter an ignition furnace 10, where the surface layer of the materials 2 is ignited with burners 12 using coke oven gas or the like. Since the fuel is present in the surface layer, the materials 2 are ignited at a relatively low temp. in a short time, and a rapid drop in the temp. of the sintered surface layer is prevented, so the deterioration of the quality of sintered ore is prevented.
Patent JP-H0816353-A (JP)
Title: Object display enlarging method
Inventor: MARUYAMA NAOTOSHI
IPC: G06F3/0488
Filed: 1994-06-28
Abstract: PURPOSE:To make it possible to operate a picture efficiently even by an operator, having poor sight by enlarging an object when the cursor of a pointing device gets close to a spot distant from the object displayed on a display screen by a prescribed distance. CONSTITUTION:The coordinate of the cursor obtd. from a mouse 3 is detected by a cursor coordinate detector 5 and based on the data, a button is displayed on a display 1 by a button display device 6. The position coordinate of the cursor is detected by a cursor position detecting part 7, the position coordinate of the cursor calculated by the detecting part 7 is collated with position coordinates of four corners of a hook area in a hook area position storage part 8 by a collating/judging part 11, and it is judged whether or not the cursor enters the hook area. Then, the position coordinate of the button enlarged from the position coordinates of four corners of the button at present is calculated by the enlarged button position calculating part of a button controller 4, and the button is displayed by the button display part.
Patent JP-S5270796-A (JP)
Title: Indicator
Inventor: KATOU BINJIYOU
IPC: G02F1/13
Filed: 1975-12-10
Abstract: PURPOSE: The insulating anti-humidity material is applied over substrate surface near electrode of electro optical indicator in order to minimize leak current. As a result, the power cell life can be extended, thus securing a structure which is suitably used for wristwatches. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H04369702-A (JP)
Title: Power source reset circuit
Inventor: IMOTO MASARU
IPC: H03K17/22
Filed: 1991-06-19
Abstract: PURPOSE:To supply a power source reset circuit where the chattering of a reset voltage waveform does not occur. CONSTITUTION:A constant voltage element ZD which receives DC power source voltage Vcc, which is turned off till DC power source voltage Vcc exceeds prescribed voltage and which is turned on when it exceeds prescribed voltage, a first transistor TR1 which is in an off-state while the constant voltage element ZD is turned off and which is turned on in response to the ON of the constant voltage element ZD when it is turned on, a second transistor TR2 which is turned on while the first transistor TR1 is in the off-state and which becomes the off-state when the first transistor becomes an on-state, and an output terminal P3 which is connected to the input terminal of a DC-DC converter, which is held to a low level while the second transistor TR2 is in the on-state and which becomes a high level when the second transistor TR2 becomes the off- state are provided.
Patent JP-S5937161-A (JP)
Inventor: YAMANE YUKIO
IPC: B29K67/00
Filed: 1982-08-24
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-H10337667-A (JP)
Title: Dry ice blasting device
Inventor: TAKAHASHI SHUNSUKE
IPC: B24C1/00
Filed: 1997-06-04
Abstract: PROBLEM TO BE SOLVED: To prevent scattering of dust and stagnation of carbon dioxide gas at a working site and reduce dew condensation by sucking the dust and gas together in a cover covering a blast nozzle and a working surface of a blast object and separating the sucked dust and gas from each other. SOLUTION: Carbon dioxide gas G sand carrier gas A made as dry ice particles D in a cover 2 are sublimated are sucked by a suction device 3 formed with a suction ejector, etc., to be driven by compressed air, etc., sent through L2 from a compressor 12, and dust F sucked with gas B(=A+G) and dew condensed moisture W are separated from each other by a dust separation device 4 formed with a cyclon and bag filter, etc. Clean gas C from which dust F and moisture W are separated is discharged in the atmosphere by a line L3 at a place separated form a working site or where there is no anxiety of stagnation of gas C. Additionally, steam content in the carrier gas A is reduced by mixing this gas C in the carrier gas A.
Patent JP-H05315930-A (JP)
Title: Optical key switch
Inventor: TAKAHASHI YOSHINORI
IPC: H03K17/968
Filed: 1992-05-12
Abstract: PURPOSE:To provide an optical key switch facilitating design of a relevant printed substrate by constituting a circuit so as to supply the same signal and simplifying a pattern of signal lines on the applied printed substrate. CONSTITUTION:The cathod side of a light emitting diode(LED) and the emitter side of a phototransistor(PT) 2 are grounded and the anode side of the LED 1 and the collector side of the PT 2 are connected to a terminal 30 respectively through their corresponding current restricting resistors 3, 4. Thereby the same STRB signal is supplied from the terminal 30 to the anode side of the LED 1 and the collector side of the PT 2 and a KS signal is outputted from a terminal 31 connected to the collector side of the PT 2.
Patent JP-S63309527-A (JP)
Title: Novel polysilazane and its production
Inventor: AYAMA KYOICHI
IPC: C04B35/589
Filed: 1987-06-12
Abstract: PURPOSE:To obtain the title compound of any desired MW and excellent long- term storage stability within a short polymerization time by subjecting a specified silazane precursor, a specified silazane or silylamine compound to dehydrogenation, cyclization and crosslinking in the presence of a catalyst. CONSTITUTION:A silazane precursor (A) obtained by reacting a compound of formula I [wherein R1 is H, a 1-6C lower alkyl, a (substituted)vinyl, a (substituted)allyl, a 6-10C (substituted)lower aryl, a tri- or di-(lower)alkylsilyl, a di(lower)alkylamino, and X is a halogen] with anhydrous ammonia, a silazane or silylamine compound (B) of formula II [wherein R2-3 are each R1, R4 is R1 other than H and a di(lower)alkylamino] are subjected to dehydrogenation, cyclization and crosslinking for MW increase in the presence of a basic catalyst (C) which can eliminate the H atom from the N atom adjacent to the Si atom to obtain a polysilazane having a skeletal structure which comprises repeating units of formula III and in which the precursor residue having a unit of formula IV is converted into a structural unit of formula V and a structural unit of formula VI which are connected with each other.
Patent JP-S5938233-A (JP)
Title: Polymeric diacyl peroxide
Inventor: KOMAI TAKESHI
IPC: C08G67/00
Filed: 1982-08-26
Abstract: PURPOSE:To provide the titled peroxide which is less explosive and exhibits excellent solubility in vinyl monomers, by reacting a peroxide with 7,12-dimethyl- 7,11-octadecadiene-1,18-dicarboxylic acid chloride. CONSTITUTION:7,12-Dimethyl-7,11-octadecadiene-1,18-di-carboxylic acid chloride is reacted with a peroxide such as sodium peroxide or potassium peroxide at -10-40 deg.C for 0.25-5hr while adding portion wise the dibasic acid chloride to an aq. soln. contg. 1-15wt% peroxide with stirring in a molar ratio of the chloride to the peroxide of 1:(0.7-3) to obtain a polymeric diacyl peroxide having an average MW of 1,400-16,000 composed of a structural unit of the formula. USE:Free-radical polymn. initiator for vinyl monomers.
Patent JP-H08311257-A (JP)
Title: Flame-retardant resin composition
Inventor: UCHIDA KOJI
IPC: C08K5/521
Filed: 1995-05-23
Abstract: PURPOSE: To obtain a flame-retardant resin compsn. which does not generate a noxius gas during burning, is reduced in the ash remaining after incineration, and is excellent in mechanical strengths. CONSTITUTION: The compsn. comprises 100 pts.wt. polyolefin resin, 2-60 pts.wt. melamine cyanurate surface-treated with a fine silica powder, and 1-30 pts.wt. phosphoric ester. The surface-treated melamine cyanurate is obtd. by mixing a melamine cyanurate powder with a fine silica powder in a suitable mixer. The silica powder pref. has an average particle size of 10μm or lower. It is also possible to use a commercially available melamine cyanurate surface-treated with colloidal silica.