baber/WOPTO huggingface dataset:
Patent JP-2001237717-A (JP)
Title: Viterbi decoder
Inventor: TACHIBANA HIROYUKI
IPC: H03M13/41
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a Viterbi decoder which can correctly extract data remaining in a path memory, without having to add a tail bit into transmission data. SOLUTION: An input selection circuit 100 is provided in the input stage of the Viterbi decoder. The input selection circuit 100 is provided with two inputs receiving reception data and a fixed value equivalent to an intermediate value between the maximum value and the minimum value of reception data. A selector 20 is controlled by an input data control circuit 22, and reception data are selected and Viterbi decoding is performed from the start time of Viterbi decoding to the reception termination time of reception data. The fixed value equivalent to the intermediate value is given to a Viterbi decoding device during the processing period of a shift register constituting a path memory at the reception termination of reception data. Output data, specifying the remaining path existing in the path memory 103, can be extracted to the outside without errors.
Patent JP-2001236644-A (JP)
Title: Method of changing refractive index of solid material
Inventor: MIURA SEIKI
IPC: G11C13/00
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a method of changing the refractive index of a solid material in a desired region and form and with desired change rate by irradiating the solid material with pulse laser light. SOLUTION: The pulse width of the pulse laser light is changed continuously and/or in steps, and in particular, the pulse laser light is condensed to irradiate the inner part of the solid material and the pulse width is changed between 10 fsec to 10 psec. The wavelength of the pulse laser is controlled to be different from the intrinsic absorption of the solid material.
Patent JP-2001237287-A (JP)
Title: Diagnostic method for exposure step and controlling method therefor
Inventor: YOSHITAKE YASUHIRO
IPC: H01L21/66
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To detect and extract a failure portion of an aligner while production continues, and to calculate a proper offset value in which an adjusting variation within a lot is reflected without increasing an adjusting check frequency. SOLUTION: Information of an aligner, a mask and a wafer, information of a processing step before the exposure and measuring result for the aligner are given as independent variables, an adjusting measured value after the exposure is given as a dependent variable, a combination relation for all those variables are evaluated by F calibration quantitatively and diagnostic information for failures is given. Additionally, an offset value is calculated by a primary approximate formula for a relation variable extracted by the above and is fed back to the exposure device.
Patent JP-2001229094-A (JP)
Title: Postcard electronic mail device and system for distributing the mail
Inventor: YAMADA TOYOSAKU
IPC: H04L12/58
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a postcard electronic mail distributing system by which the picture of scenery, etc., in various places is easily transmitted as an electronic mail when visiting all parts of Japan or various places in the world where access can be performed to the Internet even without carrying a mobile computer, etc. SOLUTION: A postcard electronic mail device 1 is constituted by providing a display 2, a cursor key 3, an enter key 4, a delete key 5 and a hard disk storing the photograph picture of a tourist resort, etc., and an electronic mail generating and transmitting program. Besides, connection to the Internet server of an access point near the arrangement place of the device 1 is set to be possible. Then the program is started by throwing in a coin, a user selects the picture in accordance with a message which is displayed in the display 2, inputs a transmission destination mail address and selects electronic mail transmission and, then, the postcard electronic mail is transmitted.
Patent JP-2001111074-A (JP)
Title: Semiconductor element and solar battery
Inventor: YAGI SHIGERU
IPC: H01L31/06
Filed: 2000-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor element and a solar battery at a low cost which have high efficiency, safety and long life. SOLUTION: In this semiconductor element, a compound semiconductor layer containing nitride based compound semiconductor composed of at least one element selected out of at least Al, Ga and In, and nitrogen element is formed as a window layer on a semiconductor substrate. In this solar battery, a compound semiconductor layer containing nitride based compound semiconductor expressed by a composition formula AlXGaYInZNW, where X, Y, Z and W show composition ratio, and satisfy 0.8<=(X+Y+Z)/W<=1.2 and 0.1<=Z/(X+Y+Z)<=1.0 is formed on a semiconductor substrate.
Patent JP-2001244646-A (JP)
Title: Shield case of electronic equipment
Inventor: NAGATA FUTOSHI
IPC: H05K9/00
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To securely maintain shielding function by improving the mechanical strength of a front plate. SOLUTION: This shield case for electronic equipment has a front plate 1 and a side plate 12. The front plate 1 is cut and formed in a tongue shape by a pair of slits 17 that is opened at a side edge 11c, and at the same time has a nearly L-shaped caulking piece 16 where base edge and tips 16a and 16c are bent to the inside and a side, respectively. In the side plate 12, a caulking hole 18 where the caulking piece 16 is fitted along a side end 12a that is brought into contact with an inner surface 11a of the front plate 11 is formed. The front plate 11 nearly adheres to the mounting member 2 over an entire surface for joining, and is integrated with the mounting member 2, thus maintaining mechanical strength in a thickness direction.
Patent JP-2001244455-A (JP)
Title: Iii-v group compound semiconductor wafer
Inventor: TAKANO KAZUTO
IPC: H01L21/338
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a III-V group compound semiconductor wafer wherein an electron supply layer is made of InGaP and which can realize generation of a two-dimensional electron gas of a high mobility and high concentration and reduction of element resistance. SOLUTION: The double hetero type HEMT semiconductor wafer includes a GaAs buffer layer 2, a first electron supply layer 3, an AlGaAs spacer layer 4, an InGaAs channel layer 5, an InGaP spacer layer 13, a second electron supply layer 12 and a GaAs cap layer 8, which are sequentially formed on a semi-insulating GaAs substrate 1. The first electron supply layer 3 is made of AlGaAs and the second electron supply layer 12 is made of InGaP.
Patent JP-2001236101-A (JP)
Title: One-shot circuit
Inventor: YAGI KEIICHIRO
IPC: G05B9/02
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To prevent malfunctions of equipment as a control object when an operation is once stopped and a re-operation is started by a control program of a motor controller for driving pump. SOLUTION: In the motor controller for driving pump to control start/stop of a large-scale fan by the control program by outputting an instruction to a motor for driving to drive a pump for supplying lubrication oil to supply the lubrication oil to a bearing of the fan in fixed period when the large-scale fan is started and after it is stopped, a self-holding circuit 8 is provided in this one-shot circuit when a function to start the pump for supplying lubrication oil after the large-scale fan is stopped and to stop the pump for supplying lubrication oil after the fixed time is realized by using the one-shot circuit,  the self-holding circuit is set to this set condition if an input signal 1 to the one-shot circuit is turned on when the operation is started by the control program and stop of the pump for supplying lubrication oil is held even when the operation is restarted after the control program is made to stop the operation once after the pump for supplying lubrication oil is stopped.
Patent JP-2001242892-A (JP)
Title: Sound recording/reproducing toy
Inventor: UTSU EIJI
IPC: G10L19/00
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To provide a sound recording and reproducing toy for fragmenting and modulating the inputted voice data and for combining and reproducing multiple prestored fixed voice data with a prescribed reproducing pattern. SOLUTION: This toy is provided with a voice input part for converting an inputted voice to an electric signal and for inputting it to a control part, a switch input part for performing sound recording, a storage part consisting of a fixed voice data part and a re-writable voice data part, the control part for writing and reading the voice data to from the voice data part of the storage part according to a voice signal fed form the voice input part and the signals fed from the switch input part and a voice output part for converting the signal fed from the control part to the voice to output.
Patent JP-2001244550-A (JP)
Title: Laser control circuit and optical disk using this
Inventor: UMEZAWA ATSUSHI
IPC: H01S5/062
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To prevent lowering of the life of a semiconductor laser due to its useless light emission which is caused when the semiconductor laser is turned on unconditionally in its initial state of power-on time, and to prevent breakage of the semiconductor laser caused by the flow excessive operating current which used to flow because of preadjustment. SOLUTION: A laser control circuit 20 having a switching portion 23 for on/off-operating the semiconductor laser LD, is provided with a switch control portion 24 for on/off-controlling the switching portion 23. By this control portion 24, the switching portion 23 is prevented from being turned on in an initial state such as power-on time, and emission of the semiconductor laser LD is compulsorily stopped.
Patent JP-2001241237-A (JP)
Title: Fingerprint collation system
Inventor: UCHIDA NAOYA
IPC: E05B49/00
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To shorten a collation processing time even when registrant ID input operation is omitted regarding a fingerprint collation system in which a plurality of devices for collating fingerprints by fingerprint sealing are arranged. SOLUTION: Devices 71 in device numbers 01-nn for fingerprint collation are arranged to doors or the like for each room, and the mutual devices 71 and sections among the devices 71 and a host are connected by communication lines 72, and a control means having a registrant-information table 61 making registered fingerprints and registrant IDs correspond, a preferred collation- information table 62, in which the registrant IDs, an expiration date, effective use numbers or the like for preferred collation are stored, and an installation- information table 63, in which information such as the installation order of the devices 71 is stored, and registered fingerprint images in the case of fingerprint-collation acceptance are used preferentially in the case of fingerprint collation in the next devices with the installation order of the devices 71 is provided.
Patent JP-2001248165-A (JP)
Title: Construction method for stabilizing bedrock
Inventor: AMANO TOKIMOTO
IPC: C04B24/26
Filed: 2000-03-06
Abstract: PROBLEM TO BE SOLVED: To provide a construction method for stabilizing bedrock whereby a crack in bedrock and/or a joint between bedrocks in danger of collapse can be filled with a cement composition with accuracy and efficiency. SOLUTION: The construction method for stabilizing bedrock includes spraying a cement composition with a flow value of 250 or less to a narrow crack in bedrock and/or a narrow joint between bedrocks.
Patent JP-2001254642-A (JP)
Title: Control device of vehicle
Inventor: SATAKE HIROYUKI
IPC: F02P5/15
Filed: 2000-03-08
Abstract: PROBLEM TO BE SOLVED: To prevent an engine during a stoppage from being restarted in the case where a posture of a driver seated at a driver's seat is not suitable for operation of a behavior control device. SOLUTION: A control device of a vehicle free to change a first control state to control starting and stopping of a driving force source by operation of a starting and stopping control device and a second control state to control starting and stopping of the driving force source in accordance with a driving force source stopping demand separately from operation of the starting and stopping control device to each other is furnished with a driving force source control means to control starting and stopping of the driving force source in accordance with a judging result of whether existence of the driving force source stopping demand and a condition of a driver are in conditions to properly operate the behavior control device to control a behavior of the vehicle in a state where the second control state is selected and the driving force source stops (step S1 and step S4).
Patent JP-2001257107-A (JP)
Title: Variable resistor
Inventor: NOMURA KAZUHIRO
IPC: H01C10/00
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a variable resistor which is kept stable in output characteristics and prevents flux as insulator from rising up through a fixing hole due to capillarity when mounted on a board. SOLUTION: A variable resistor is equipped with a board 11 possessed of a horseshoe resistor 13 on its top surface, electrodes 14 provided to both the edges of the resistor 13 respectively, and at least two fixing holes 15 penetrating through its top and under surface and a driver plate 16 possessed of a slider 17 which is supported rotatably on the top surface of the board 11 to slide on the resistor 13, where the fixing holes 15 provided to the board 11 are filled up with resin 29 which prevents the penetration of flux.
Patent JP-2001253202-A (JP)
Title: Wheel and working vehicle
Inventor: ISHIMURA TADASHI
IPC: A01C11/02
Filed: 2000-03-09
Abstract: PROBLEM TO BE SOLVED: To provide a wheel and a working vehicle capable of securely traveling on a soft ground without using an attachment such as an auxiliary wheel. SOLUTION: When a wheel main body 9 is driven for rotation in the condition that the wheel main body 9 is buried under the soil, a soil scraping member 12 projected from a side of the wheel main body 9 pushes the soil 11 backward in the rotating direction of the wheel main body 9. With this structure, since the propelling force by the wheel 4 is improved, generation of slip or the like is prevented, and the secure traveling on the soft ground 10 is realized.
Patent JP-2001255407-A (JP)
Title: Reflection mirror and optical device using the same
Inventor: HAYASHI HIROBUMI
IPC: F21Y101/00
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a reflection mirror capable of distributing light with nearly uniform light intensity to an object plane of an optical fiber such as the end face without separately arranging another optical element and an optical device using the same. SOLUTION: The reflection plane 14a of the reflection mirror 14 has a shape capable of condensing the light emitted from the spot light source 12 placed on the first spot F1 on the rotational axis of symmetry C along the circle F2, of which the center is the second spot F2' on the rotational axis of symmetry and which is on a plane perpendicularly intersecting the rotational axis of symmetry. The light on the respective spots F2 on the circle exhibits nearly Gauss distribution and the light intensity of the inside region is distributed nearly uniform. The object plane such as the end face of the optical fiber 16 is arranged so as to coincide with the region of the circle in the case of constructing the optical device.
Patent JP-2001252513-A (JP)
Title: Dust detector
Inventor: NITTA TAKASHI
IPC: H05K7/20
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a dust detector capable of accurately detecting the dust filter clogging. SOLUTION: Air, from which dust is removed by a dust filter 10, is taken into a housing 30 by a cooling fan 20 and discharged from an exhaust port 70 while cooling the housing 30. Pressure sensors 40a, 40b attached to the inside and outside of the housing 30 through the exhaust port 70 detect pressure in predetermined timing to output electric signals corresponding to the detected pressure values to a processing part 50. The processing part 50 operates the difference between the values outputted from the sensors 40a, 40b and the clogging of the dust filter 10 is judged when the difference is less than a predetermined value.
Patent JP-2000336011-A (JP)
Title: Composition for dentistry
Inventor: HONDA SHIGEMICHI
IPC: A61K6/083
Filed: 2000-03-13
Abstract: PROBLEM TO BE SOLVED: To obtain a dental composition which gives a cured product having excellent surface gloss, excellent transparency and excellent mechanical characteristics, has excellent operability and curability, and has an excellent X-ray contrast image property, by compounding a specific (meth)acrylate monomer, a filler comprising specific particulate silica and specific X-ray imaging glass powder, and a polymerization initiator. SOLUTION: This dental composition comprises (A) a (meth)acrylate monomer [for example, methyl (meth)acrylate], (B) a filler comprising (i) particulate silica having an average particle diameter of <0.01 μm and (ii) X-ray imaging glass powder, wherein the content of particles having particle diameters of >=0.01 μm in the component (i) is <=40 wt.%, and (C) a polymerization initiator (for example, acetyl peroxide). The difference between the refractive index of the component (ii) and the refractive index of the cured product of the component (A) is <=0.05. In the composition, the components (i), the component (ii) and the component C are preferably contained in amounts of 1 to 100 pts.wt., 50 to 1,000 pts.wt., and 0.001 to 10 pts.wt., respectively, per 100 pts.wt. of the component A.
Patent JP-2001252665-A (JP)
Title: Waste water treating device
Inventor: YAMASHITA ICHIRO
IPC: C02F1/46
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a waste water treating device of simple structure capable of being miniaturized and by which a series of operations, e.g. separation of water molecules from suspended molecules, flocculation, decolorization, sterilization and decomposition of chemical substances, are preferably performed in one treating tank. SOLUTION: A high-voltage pulse impressing electrode 1 and a counter electrode 2 are arranged close to each other. When a high-voltage pulse if >=(10-15) kV/cm is impressed on the electrode 1, a discharge is generated between both electrodes as a result of short-circuiting, and specified water treatment such as separation and flocculation is conducted by utilizing an impulse wave resulting from the discharge as a first advantage of this invention, and further the waste water is electrolyzed to generate bubbles 13 in the waste water as a second advantage.
Patent JP-2001254797-A (JP)
Title: Industrial robot
Inventor: SUZUKI NORIHIKO
IPC: B25J19/00
Filed: 2000-03-14
Abstract: PROBLEM TO BE SOLVED: To provide a single-axis robot preventing an upper cover from being deflected even when elongating a movable stroke of a movable member and eliminating the movable member and the upper cover from contacting with each other, or provide an industrial robot constituted of combination of the single-axis robots. SOLUTION: The driving of the single-axis robot is set to a belt drive system, and a timing belt 7 is laid across a driving pulley 11 and a driven pulley arranged adjacent to the both ends in a U-shaped frame so as to be formed into an elliptical shape. The movable body comprises a slider (a), slider (b), and a slide base 4 and the slider (a) and the slider (b) projecting from the upper cover is connected by the slide base so as to be a C-type structure having an opening in the bottom of Fig. This constitution can arrange a cover support table 3 in the frame without being in contact with the movable part and the cover support table arranged in the frame supports the upper cover so as to prevent the deflection of the upper cover.
Patent JP-2001262363-A (JP)
Title: Method for forming nickel-phosphorus thin film
Inventor: SANO HIROSHI
IPC: G11B5/84
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a method for forming a nickel-phosphorus thin film which is capable of maintaining the flatness of objects to be plates of low mechanical strength and is capable of depositing nickel-phosphorus thin films. SOLUTION: An electroless plating bath is prepared by using an electroless nickel-phosphorus plating liquid containing a nickel salt, complexing agent, reducing agent and cobalt. The nickel-phosphorus thin films are formed on the plural objects to be plated which are arrayed at prescribed intervals while the concentration of at least either of the complexing agent and the reducing agent is lowered as the electroless plating bath ages.
Patent JP-2001262864-A (JP)
Title: Base isolated building
Inventor: TSUJI MASAKAZU
IPC: E04B1/98
Filed: 2000-03-15
Abstract: PROBLEM TO BE SOLVED: To provide a base isolated building capable of preventing a cover from being damaged when base isolation is working and surely covering between both up and down structures equipped with base isolation devices. SOLUTION: The cover 7 for covering a space between a footing 1 and the upper structure 2 from the outside of a building is pivoted on the side of the upper structure 2, the cover 7 is forced by the side of the footing 1 when base isolation is working, and it is pivoted outward. A return preventing device for preventing and suppressing the cover 7 pivoted and forced outward by the side of the lower structure from getting back to the initial position is included.
Patent JP-2001288447-A (JP)
Title: Polyurethane resin composition for nonaqueous laminate adhesive and nonaqueous laminate adhesive using the same
Inventor: HIGASHIKUBO ICHIRO
IPC: C08G18/50
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a nonaqueous laminate adhesive which has such contradictory properties as a long pot life and a short aging, is excellent in storage stability, capable of being stored for a long time, and is excellent in productivity and workability. SOLUTION: A polyurethane resin composition for a nonaqueous laminate adhesive is prepared by using a tertiary amino group-containing polyurethane resin (A) which is obtained by reacting an active hydrogen compound component containing a tertiary amino group-containing diol compound represented by formula (1) (wherein R1 is a 1-10C monovalent hydrocarbon group; and R2 and R3 are each a 1-10C divalent hydrocarbon group) with an organic polyisocyanate under the condition of excess active hydrogen group, provided the tertiary amino group content and carboxylic acid content of resin A are each 0.001-1 mmol/g. A nonaqueous laminate adhesive is prepared by compounding the polyurethane resin composition with a polyisocyanate curing agent.
Patent JP-2001263123-A (JP)
Title: Automatic start and automatic stop of internal combustion engine
Inventor: HIROSE KIYOO
IPC: F02D17/00
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To satisfy the realization of a comfortable cabin internal temperature and the early stop of idling operation of an internal combustion engine according to the state of a vehicle. SOLUTION: A control unit 60 gains an outside air temperature Tout in engine start, an air conditioner set temperature Tac, and an internal temperature Tin from an outside air temperature sensor 51, an A/C set temperature sensor 59a, and an internal temperature sensor 59, respectively. The control unit 60 determines an idling stop start coolant temperature Tsta on the basis of the outside air temperature Tout, the air conditioner set temperature Tac, and the internal temperature Tin, and allows the idling stop when the coolant temperature Tw detected by a coolant temperature sensor 50 reaches the idling stop start coolant temperature Tsta or higher.