baber/WOPTO huggingface dataset:
Patent JP-2002127488-A (JP)
Title: Printer, and communication device or information processor using the same
Inventor: YANODA MASAYUKI
IPC: B41J2/355
Filed: 2000-10-30
Abstract: PROBLEM TO BE SOLVED: To provide a printer which detects defects of a thermal head by a simple method without interrupting printing during printing, thereby preventing the thermal head from being broken, burnt out or the like by heating of a heater, and a communication device or an information processor using the same. SOLUTION: The printer 7 is provided with a defect-detecting means 30. When printing data whereby one whole line is made blank is inputted to the thermal head 20, a transistor 33 for short-circuiting a current detection resistor 32 is turned to an OFF state concurrently with printing the blank line, and the current detection resistor 32 is energized. A current value running to each heater 25 is compared with a preliminarily set comparison signal 41 in the order of a first - a fourth strobes 26-29 which divide a heater array 21 of the thermal head 20. Defects of the thermal head 20 are detected from the comparison results.
Patent JP-2002149416-A (JP)
Title: Method for optimizing program and compiler using the same
Inventor: INAGAKI TATSUSHI
IPC: G06F9/45
Filed: 2000-10-30
Abstract: PROBLEM TO BE SOLVED: To make effectively obtainable the instruction level parallelism of a program including an exception generable instruction by relaxing the preceding constraint of the exception generation validation instruction to the other instruction like software. SOLUTION: This compiler is provided with a DAG generating part 21 for generating a DAG by analyzing the four sets of intermediate codes of a program to be processed, a DAG editing part 22 for editing the generated DAG, and relaxing the sequence constraint of operators due to exceptions, and a four set of intermediate code reproducing part 23 for generating the four sets of intermediate codes on which the structure of the edited DAG is reflected. Then, an exception generable instruction and an exception generation detection instruction are detected from the DAG, and the detected exception generation detection instruction is divided into a first instruction for detecting the generation condition of exceptions and a second instruction for conditionally branching the processing to the exception processing.  Then, dependency is set so that when the generation condition of the exceptions is detected in response to the first instruction, its transition to the second instruction can be performed, and when the generation condition of exceptions is not detected, its transition to the exception generable instruction can be performed.
Patent JP-2002129316-A (JP)
Title: Assembly composed of tantalum or tungsten target and packing plate made from copper alloy, and manufacturing method therefor
Inventor: ODA KUNIHIRO
IPC: B23K20/14
Filed: 2000-10-31
Abstract: PROBLEM TO BE SOLVED: To provide an assembly composed of a tantalum or tungsten target and a backing plate, resistant to a high power sputter, of which the deformation after diffusion bonding is small even when a thermal expansion rate of a target material is much different from that of the backing plate, and which does not cause an exfoliation or a crack between the target and the backing plate; and to provide a manufacturing method therefor. SOLUTION: The assembly composed of the tantalum or tungsten target and the backing plate made from the copper alloy is characterized by that the tantalum or tungsten target and the backing plate made of copper alloy are diffusion bonded through an inserted material made from an aluminum or aluminum alloy sheet of 0.5 mm or thicker, and by that they have diffusion bonded layers between themselves and the inserted material.
Patent JP-2002137430-A (JP)
Title: Thermal printer
Inventor: ITO MINORU
IPC: B41J2/35
Filed: 2000-11-02
Abstract: PROBLEM TO BE SOLVED: To solve a problem in which when value of resistance of a heating element is measured by operation of an operational mechanism, there sometimes exists that measurement of value of resistance is not appropriately performed in accordance with frequency of use of a thermal printer and in addition, when the value of resistance of the heating element is measured at set-up time of the thermal printer, a specified measuring time is equally required on every time when the thermal printer is set up and it is impossible therefore to instantly perform printing, etc., after setting-up. SOLUTION: In the case when operational inputting is not performed to the thermal printer 1 for a specified time, the value of resistance of the heating element of a thermal head 2 is measured and when the measurement of the value of resistance is finished, an electricity saving mode is made to an ON condition to decrease consumption of electricity.
Patent JP-2002141613-A (JP)
Title: Semiconductor light emitting element and its fabricating method
Inventor: OTSUKA NOBUYUKI
IPC: H01S5/343
Filed: 2000-11-06
Abstract: PROBLEM TO BE SOLVED: To obtain a semiconductor light emitting element in which a nitride based semiconductor can be grown on a gallium nitride substrate and the contact resistance of an electrode having ridge shape can be reduced. SOLUTION: On an n-type guide layer 16 grown on a p-type GaN semiconductor substrate 11, a current constriction insulating layer 17 of about 1 μm thick having a stripe-like opening is formed. On a part exposed form the current constriction insulating layer 17 of the n-type guide layer 16, an n-type regrowth interface regulation layer 18 having a composition substantially similar to that of the n-type guide layer 16 is formed. On the regrowth interface regulation layer 18, an n-type clad layer 19 and an n-type contact layer 20 are formed by selective horizontal growth method to cover the opening of the current constriction insulating layer 17.  On the current constriction insulating layer 17, an n-side electrode 21 is formed to cover the n-type contact layer 20 and a p-side electrode 22 is formed entirely on the side of the semiconductor substrate 11 opposite to the n-side electrode 21.
Patent JP-2002143641-A (JP)
Title: Method for treating waste gas
Inventor: SHIMIZU TAKAHIRO
IPC: B01D53/70
Filed: 2000-11-07
Abstract: PROBLEM TO BE SOLVED: To provide a method for treating waste gas by which chlorobenzenes contained in waste gas from an incinerator for domestic waste or industrial waste, or the like, can be effectively removed. SOLUTION: When waste gas containing chlorobenzenes is treated, it is adjusted to <=0.25 kg/kg absolute humidity and introduced into an adsorption tower packed with activated carbon to adsorb and remove the chlorobenzenes.
Patent JP-2002147858-A (JP)
Title: Water heating equipment with antifreezing electric heater
Inventor: KAMIMURA KAZUYA
IPC: F24H1/00
Filed: 2000-11-08
Abstract: PROBLEM TO BE SOLVED: To provide a water heating equipment with antifreezing electric heater which is constituted to suppress its power consumption by reducing the number of attached antifreezing electric heaters by utilizing the heat radiating characteristics of the heaters to the maximum. SOLUTION: This water heating equipment is provided with a hot water supplier 1 having a hot water storage tank 2, a circulating water passage 3 which circulates water for hot water supply taken from the tank 2 to the tank 2 through a heating means 1a, and a water supply passage 4 which supplies potable water for hot water supply. The equipment is also provided with the antifreezing electric heaters 5 respectively housing heating elements 5a which heat the water and potable water for water supply respectively made to flow through the passages 3 and 4 when the outdoor temperature drops. The water pipes 3a, 3b, 3c, and 4a constituting the passages 3 and 4 laid between the hot water supplier 1 and tank 2 are arranged adjacently to each other. In addition, the electric heaters 5 are provided to simultaneously heat the adjacently arranged water pipes 3a, 3b, 3d, and 4a.
Patent JP-2002150620-A (JP)
Title: Method for manufacturing stamper
Inventor: SAKAMIZU TOSHIO
IPC: G03F7/26
Filed: 2000-11-09
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a stamper using a resist composite by which a pattern having high resolution and good dimensional precision can be obtained. SOLUTION: A composite consisting of (a) a compound generating an acid by exposure and (b) a medium increasing alkali solubility by the reaction induced by the exposure or the exposure and heat treatment after the exposure, is used as a photoresist composite in the method for manufacturing the stamper. The method for manufacturing the stamper includes a stage for irradiating a positive photoresist film 103 formed by using the medium wherein the ratio (Mw/Mwex) of the weight average molecular weight (Mw) of the medium to the weight average molecular weight (Mwex) after the reaction induced by the exposure or the exposure and heat treatment after the exposure is 2 or more with an electron beam 104, a stage for forming a photoresist pattern 106 by developing, and a stage for forming a recessed part in a substrate using the pattern as a mask.
Patent JP-2002147465-A (JP)
Title: Angular contact ball bearing
Inventor: DEGUCHI MASARU
IPC: F16C33/58
Filed: 2000-11-13
Abstract: PROBLEM TO BE SOLVED: To provide an angular contact ball bearing capable of reducing a rotation torque and inhibiting a riding up on a shoulder. SOLUTION: Raceway grooves 11, 12 and shoulders 3, 4 are formed on an inner ring 1 and an outer ring 2. In the raceway grooves 11, 12, a radius of curvature R1 of parts 11a, 12a having contact ellipse S1, S11 in the stationary state is set to become larger than a radius of curvature R2 of side parts 11b, 12b being at the shoulders 3, 4 side as compared with the part 11a.
Patent JP-2002144292-A (JP)
Title: Drillling method for printed circuit board
Inventor: ITO YASUSHI
IPC: B26F1/16
Filed: 2000-11-14
Abstract: PROBLEM TO BE SOLVED: To provide a drilling method for a printed circuit board capable of reducing the cost and improving the workability. SOLUTION: The allowable abrasion loss α of a bush 16 integrated with a pressure foot 15 is determined in advance, and an abrasion loss M of the bush 16 is measured in determining the allowable abrasion loss in advance. A height of a drill 12 in moving from a certain working position to a next working position is controlled to keep a value determined for a case of the abrasion loss M of zero, until the abrasion loss M reaches the allowable abrasion loss α.
Patent JP-2001205403-A (JP)
Title: Method for casting aluminum deoxidized steel
Inventor: NAKAJIMA JUNJI
IPC: B22D11/10
Filed: 2000-11-14
Abstract: PROBLEM TO BE SOLVED: To provide a continuous casting operation method which produces steel products having excellent slab surface cleanability and excellent in cleanability within slabs as well. SOLUTION: This method for casting the aluminum deoxidized steel consists in casting the slabs having the excellent cleanability of slab surface layers and the excellent cleanability within the slabs by intermittently impressing electromagnetic force to the molten steel within casting molds in casting the aluminum deoxidized steel by using perpendicular bent mold type continuous casting equipment. More particularly preferably the relation between the time T1 when the electromagnetic force is impressed and the time T2 when the impression is stopped is T1/(T1+T2)>=0.7.
Patent JP-2001203646-A (JP)
Title: Position adjustment of wireless modem in multi-cell environment
Inventor: FEDER PERETZ MOSHES
IPC: H04B17/00
Filed: 2000-11-15
Abstract: PROBLEM TO BE SOLVED: To allow an installation personnel to adjust a 1st communication unit to obtain an optimum position adaptive properly to signal quality in both reverse and forward link directions in the installation of the 1st communication unit in a wireless environment. SOLUTION: This invention provides a method for adjusting a position of the 1st communication unit whose position is adjusted on the basis of the measurement of at least one signal quality parameter included in a response of a forward link signal with respect to a reverse link signal that is sent from the 1st communication unit to a 2nd communication unit in addition to the position adjustment of the 1st communication unit for proper forward link communication in a wireless environment. The installation personnel employing this method checks indication of the received signal strength in both the directions on an LED display device so as to inspect the signal quality of both the forward and reverse links in order to position the 1st communication unit so that it can reach the permissible signal strength in both the reverse and forward link directions.
Patent JP-2002156220-A (JP)
Title: Measuring apparatus for peripheral length of ring
Inventor: WATABE YOSHIHARU
IPC: G01B21/02
Filed: 2000-11-15
Abstract: PROBLEM TO BE SOLVED: To provide a measuring apparatus, for a peripheral length, by which the peripheral length of a metal ring can be measured more precisely by solving the problem that uniform tension cannot be given to a metal roller. SOLUTION: The measuring apparatus is provided with a driving roller 6, a coupled driving roller 8 which is provided in the vertically lower part of the driving roller 6 by keeping a prescribed interval and which is freely raised and lowered with reference to the driving roller 6, a tension-giving means which gives tension to the metal ring W when the metal ring W is stretched on both rollers 6, 8 and a measuring means 15 which detects the displacement of the roller 8 while the metal ring W to which the tension is given by the tension-giving means is being turned and driven by the driving roller 6 and which measures the peripheral length of the metal ring W on the basis of the distance between both rollers 6, 8.  The tension-giving means is composed of a shaft support member 7 which shaft-supports the roller 8, which is engaged with a rail member 10 installed in the vertical direction and which is provided to be freely slidable along the rail member 10 and a plumb bob which is provided integrally with the member 7. The measuring means 15 detects the displacement of the roller 8 on a straight line which connects the axial centers of both rollers 6, 8.
Patent JP-2002158033-A (JP)
Title: Non-aqueous battery
Inventor: KITA FUSAJI
IPC: H01M10/0567
Filed: 2000-11-17
Abstract: PROBLEM TO BE SOLVED: To provide a non-aqueous battery that is resistant to high voltage and restrains generation of gas, and is superior in storage stability. SOLUTION: In a non-aqueous battery having a positive electrode, a negative electrode and a non-aqueous electrolyte, the non-aqueous electrolyte contains an ate complex and the mol conductivity of the non-aqueous electrolyte is made 0.5 or more when it is divided by the mol conductivity of the ate complex of 10-4 mol/l dilution. As an ate complex for the above, LiPF6 is desirable, and the concentration of the ate complex is desirable to be less than 0.5 mol/l. And it is desirable that the non-aqueous electrolyte contains a salt having a pair of cation other than Li and as the salt having a pair of cation other than Li, alkylammonium PF6 is preferable.  Further, it is desirable that a compound having an alkyl group of the number of carbon of 8 or more is contained in the battery, and it is desirable that charging of this battery is made so that the upper limit of the positive electrode potential becomes 4.3 V or more in the Li reference potential.
Patent JP-2002153762-A (JP)
Title: Rice polishing machine
Inventor: MORI TAIICHI
IPC: B02B5/02
Filed: 2000-11-21
Abstract: PROBLEM TO BE SOLVED: To provide a rice polishing machine that can polish the whole rice in the machine without leaving any unpolished rice therein. SOLUTION: This machine performs at least the step of removing foreign matter and the step of polishing rice. A rice storage tank 6 is provided between a polishing elevator 5 and a polishing machine 8. A shutter 7 is provided at the exit of the tank 6. A chute 9 that discharges polished rice and a recirculation chute 10 that temporary stores unpolished rice in the early stage of polishing are provided at the exit of the machine 8, and a changeover valve 11 that changes the flow path into either of the chutes is provided. An opening/ closing valve 12 is provided at the exit of the chute 10.
Patent JP-2002161876-A (JP)
Title: Scroll pump
Inventor: KISHIMOTO SUEHISA
IPC: F04C18/02
Filed: 2000-11-27
Abstract: PROBLEM TO BE SOLVED: To provide a scroll pump capable of preventing characteristics from being degraded due to abutment or sliding between a movable blade and a stationary blade and of attaining good characteristics by reducing a clearance between the blades. SOLUTION: At sections other than the movable blade 9 of a movable scroll 10 mounted on a driving shaft 4 of a motor 2 and the stationary blade 13 of a stationary scroll 14 mounted on a housing 3 fixed on the motor 2, sliding sections 19 are provided for determining the oscillating radius D of the movable scroll 10 by a contact with each other prior to the contact of the movable blade 9 with the stationary blade 13.
Patent JP-2002164433-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: SHIRATAKE SHIGERU
IPC: H01L23/52
Filed: 2000-11-27
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device that comprises a fuse box having a metal fuse member which can be cut by a laser beam, and to provide its manufacturing method. SOLUTION: In a semiconductor device comprising a fuse box, in a frames- like guard ring 1 consisting of a semiconductor region formed on a semiconductor substrate 100, field regions 2 and insulating films 13 consisting of the semiconductor region are arranged so as to be adjacent each other, and at least two gate electrodes 8, 9 are provided on at least one insulating film, and the fuse member 6 connecting two gate electrodes is provided.
Patent JP-2002161924-A (JP)
Title: Bearing device for axle shaft
Inventor: TODA KAZUHISA
IPC: B60B35/18
Filed: 2000-11-27
Abstract: PROBLEM TO BE SOLVED: To improve a drag against draft on a caulking part in a bearing device for an axle shaft. SOLUTION: The cylinder part on the free end of shaft 1, where the rolling bearing 2 with R chamfering 24a at the inside diameter corner part of the inner ring 24 is installed to the outside, is bended for outside of the diametrical direction and the bearing device fixes the rolling bearing 2 to the shaft 1 not to be draught by caulking along R chamfering 24a of the inner ring 24. Forming the corner part of inside diameter side on the caulking parts 14 into the conical shape that the diameter enlarges gradually for outside of the shaft direction, the location of minimum diameter of this conical surface 14a is arranged for outside of the shaft direction even more than the inner ring edge face in this bearing device.  Such form of the caulking part 14 means that the inside diameter side corner part of the caulking part 14 got finished without plastical deformation in the process of caulking and can keep the thickness of inside diameter side corner part, namely the thickness between the conical surface 14a of caulking part and the inside diameter corner part of the inner ring 24, almost equally before caulking.
Patent JP-2002167558-A (JP)
Title: Film substrate, pressure-sensitive adhesive film and pressure-sensitive adhesive pack
Inventor: MIZUNO EIJI
IPC: C09J7/02
Filed: 2000-11-29
Abstract: PROBLEM TO BE SOLVED: To provide a film substrate which is thin and has a low stress at yield point or a stress at proportional limit point and, at the same time, a high breaking strength and is useful as a the support in producing a pressure- sensitive adhesive film. SOLUTION: The film substrate is constituted so as to possess a stress at yield point of <=20 N/15 mm or a stress at proportional limit point independently of the thickness and both a tensile strength at break of >=30 N/15 mm and an extension at break of >=150% at any thickness.
Patent JP-2002167273-A (JP)
Title: Zinc oxide porcelain composition, its manufacturing method, zinc oxide varistor and zinc oxide varistor device using it
Inventor: MIYAMOTO TAKASHI
IPC: H01C7/10
Filed: 2000-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a zinc oxide porcelain composition capable of producing zinc oxide varistor excellent in electric property, with high reliability to a D.C. load and a surge load, and stable in heat treatment by burning at a low temperature, and provide its manufacturing method. SOLUTION: The zinc oxide porcelain composition is manufactured by adding, to zinc oxide as a main ingredient, a boric oxide-containing compound which is made by heat treating a mixture of boric acid added with either one, or two or three kinds selected from among bismuth oxide, antimony oxide, chromium oxide, a chromium oxide-containing compound which is made by heat treating a mixture of chromium oxide added with either-one, or two or three kinds selected from among boric oxide, bismuth oxide and antimony oxide, bismuth oxide, iron group oxide selected at least two or tree kinds from among cobalt oxide, manganese oxide, nickel oxide, and an aluminum compound and further diantimony tetraoxide of 0.1-4.0 wt.pts. based on zinc oxide of 81.38 wt.pts. (1 mol) and press forming into disk compact, then sintering.  The varistor is finished by forming electrodes on both sides of the compact and attaching lead wires.
Patent JP-2002016440-A (JP)
Title: Frequency multiplication circuit and semiconductor integrated circuit
Inventor: MASUMOTO HIROSHI
IPC: H03B19/14
Filed: 2000-11-30
Abstract: PROBLEM TO BE SOLVED: To provide a frequency multiplication circuit with simple structure capable of surely removing unwanted higher harmonics. SOLUTION: An oscillation circuit 14a has a source oscillation circuit 1 with built-in crystal oscillator for generating a source oscillation signal and cascade-connected plural frequency multiplication circuit 2. The frequency multiplication circuit 2 is a 2-multiplication circuit 2 for outputting a signal of two times the frequency of an input signal, and inside this circuit, a 90 deg. phase shift circuit 21a and a mixer 22 are provided. Inside the oscillation circuit 14a, cascade-connected three stages of 2-multiplication circuits 2 are provided. Since an 8-multiplied local oscillation signal is generated by supplying the source oscillation signal of the crystal oscillator to the 2-multiplication circuit 2 of the first stage, even when a source oscillation frequency is low, the local oscillation signal of a sufficiently high frequency can be generated.  By providing a filter circuit 31 between the stages of the frequency multiplication circuit 2, a fixed phase shift quantity generated by a limiter amplifier 26 of the 90 deg. phase shift circuit 21a can be canceled by resistors R6-R8 inserted to the filter circuit 31, so that generation of unwanted higher harmonics is surely suppressed.