baber/WOPTO huggingface dataset:
Patent JP-2001200341-A (JP)
Title: Tool steel excellent in earth and sand wear property
Inventor: SHIMIZU KEISUKE
IPC: C22C38/38
Filed: 2000-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a cold working tool steel for excavating tool, which is inexpensive and reduced in the number of manufacturing steps and which is prevented of fracture due to crack and chipping and improved in wear resistance to earth and sand, by making a cold working tool steel have high hardness (wear resistance) and toughness, properly regulating the grain size of carbides and the amount of retained austenite, respectively. SOLUTION: The cold working tool steel having high hardness and toughness and excellent earth-and-sand wear property has a composition consisting of, by weight, 0.65-1.40% C, <=2.0% Si, 0.10-2.0% Mn, 5.0-12.0% Cr, either or both of Mo and W within the range satisfying [Mo equivalent (Mo+1/2W)=0.5 to 5.0 and/or either or both of V and Nb within the range satisfying [V equivalent (V+1/2Nb)]=0.1 to 2.5, and the balance Fe with inevitable impurities and has a structure where the grain size of M7C3-type carbides is regulated to 5-15μm and a retained-austenite structure is allowed to remain by 5-20 vol.% in a martensitic structure.
Patent JP-2001203328-A (JP)
Title: Semiconductor integrated circuit
Inventor: SAKUTA TAKASHI
IPC: H03K5/13
Filed: 2000-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit which can reduce a skew of a rising part of a clock pulse without the increase of the size of the circuit. SOLUTION: A plurality of buffers 11-13 are arranged and connected into a tree-shape from a leading end to a finishing end. The input terminals of the buffers 11 on the leading end are connected to an output terminal of an inverter 14. The output terminal of the buffer 13 on the finishing end is connected to an input terminal of an inverter 15. The respective buffers 11-13 output inputted pulses without reversing them. Clock signals are inputted to the input terminal of the inverter 14. The output terminal of the inverter 15 is connected to a clock terminal CLK of a D-type flip-flop 16. The inverters 14 and 15 reverse inputted pulses and output them.
Patent JP-2000220485-A (JP)
Title: Supercharge pressure control device for internal combusion engine with supercharger
Inventor: ENGEL GERHARD
IPC: F02D33/02
Filed: 2000-01-24
Abstract: PROBLEM TO BE SOLVED: To prevent the generation of a large overshoot in control by providing a means for standardizing supercharge pressure set value and supercharge pressure actual set value to the widest supercharge pressure area, and regulating the widest supercharge pressure area with the smallest supercharge pressure and largest supercharge pressure of a regulating operation element. SOLUTION: A coupling element V1 determines the deviation Δp of control to a proportional controller PR from the difference between a standardized supercharge pressure set value pso11 and a standardized supercharge pressure actual value pn. A coupling element V2 determines the control deviation Δp' to an integral controller IR from the difference between a standardized supercharge pressure set value pso11n' and a standardized supercharge pressure actual value pn'. Operation blocks N1, N2, N3, and N4 are presented to the standardized supercharge pressure values pso11n, pn, pso11n', and pn' to standardize a supercharge pressure set value pso11 and a supercharge pressure actual value (p). According to this, the unnecessary large interventional regulating operation of the integral controller at the time of a quick set value change can be avoided to reduce the overshoot.
Patent JP-2001210245-A (JP)
Title: Ion source and ion extracting electrode
Inventor: KUMAGAI YOSHINORI
IPC: H01J37/08
Filed: 2000-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a high frequency type ion source and an ion extracting electrode for obtaining a large diameter ion beam without making the entire apparatus large. SOLUTION: The ion source S withdraws ions from the generated plasma to generate ion beam and includes plasma generation means disposed within a discharge chamber 1 having an opening 6, the first ion extracting electrode 7 for closing the opening 6, the second ion extracting electrode 8, and means 28, 29 for applying a potential voltage between the first ion extracting electrode 7 and the second ion extracting electrode 8. Each of the ion extracting electrodes 7, 8 is made of a flat panel provided with a curved surface area 20 that protrudes toward an outside of a discharge chamber 1 having a plurality of ion extracting holes 22, and a spacer 9 made of insulator is disposed between the first ion extracting electrode 7 and the second ion extracting electrode 8 to secure a predetermined distance.
Patent JP-2001211208-A (JP)
Title: Router, network using the router and network control method
Inventor: KAKEMIZU MITSUAKI
IPC: H04L12/915
Filed: 2000-01-27
Abstract: PROBLEM TO BE SOLVED: To economically realize the warrant of band in the case of adopting the TCP/IP, with respect to a router a network and a network control method. SOLUTION: The router 1 connected to a best effort network 2 and an ATM network 3 consists of an RSVP control section 12 that terminates an RSVP message, an ATM control section 13 that controls the ATM network 3 via the management of a VPI/VCI distribution table via ATM signaling processing and an RSVP-ATM coordinate control section 11 that allows the ATM control signal 13 to conduct band warrant by an ATM-SVC assignment processing, corresponding to an RSVP flow through the coordinate processing between the RSVP control section 12 and the ATM control section 13.
Patent JP-2000219516-A (JP)
Title: Heat transmitting system for reaction furnace for converting uf6 to uranium oxide
Inventor: ANDRE DERESUTORU
IPC: G21C19/44
Filed: 2000-01-27
Abstract: PROBLEM TO BE SOLVED: To provide a means for preventing the leakage of gas due to the breakage or deterioration of a pipe due to high thermal stress and the corrosion due to the condensation of a reaction product on a wall in a fluidized-bed reaction furnace. SOLUTION: The lower part of the hydrolysis chamber 9 of this reaction furnace is connected to a thermal hydrolysis region 8, and the upper part is joined to a reacting gas filtering chamber 10. When the reaction furnace is in operation, the walls of the hydrolysis camber 9 and filtering chamber 10 are cooled to limit their temp. rise by the reacting gas, and, when the furnace is suspended, the secondary flow of a heat exchanger 20 is conducted to the walls which are thereby heated to prevent the condensation of the reacting gas on the walls. Air is also used as a secondary flow. The leakage of the reacting gas is easily detected by a detector provided in a secondary flow circuit.
Patent JP-2001216090-A (JP)
Title: Narrow frame touch panel
Inventor: KUSUDA KOJI
IPC: H01H13/70
Filed: 2000-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a narrow frame touch panel which has a small position detection error even when a lead electrode, a wiring of circuit, etc., are formed in a narrow frame range. SOLUTION: In regard to a touch panel of analog resistance film system, the lead electrode and the wiring of circuit are formed with use of only the metallic materials so that the wiring are included in a narrow frame range having its 0.1-2.0 mm width and covering its 2.5 mm inside from edges of the panel excluding the side where a connector is connected and with wiring resistivity set at <=5% in the inter-terminal resistance of the panel.
Patent JP-2001216208-A (JP)
Title: Data transfer method
Inventor: HARADA SATORU
IPC: G06F13/00
Filed: 2000-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a data transfer method capable of realizing data transmission by the communication of high safely for which security is secured at the time of transferring the various kinds of data such as the data stored in a file and the data of a program among at least two or more plural spots. SOLUTION: In this data transfer method for transferring the data between a server and at least one or more remote units, when data transfer is requested from the remote unit to the server, all the connection relation of the server and the remote unit is immediately disconnected when a communication protocol is established by a dial-up authentication processing, the remote unit of a data transfer request destination is recognized from information for specifying the remote unit acquired when the communication protocol is established by the dial-up authentication processing, the remote unit of the data transfer request destination is connected from the server after fixed time and the data are transferred.
Patent JP-2001212725-A (JP)
Title: Bolt fastening device
Inventor: NAKAJIMA TORU
IPC: B23P19/06
Filed: 2000-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a bolt fastening device for surely fastening a side wall body such as a rod guide in a hydraulic cylinder to a cylindrical body end part. SOLUTION: The bolt fastening device is provided with a bolt fastening mechanism 10 fastening a bolt 4, a clamp mechanism 7 gripping and fixing a boss 5 fixed to the other end of the cylindrical body 2, a turning mechanism 8 turning the cylindrical body 2 fixed by means of the clamp mechanism 7 with the clamp mechanism 7, a brake mechanism 9 stopping the rotation of the turning mechanism 8 in the predetermined position and fixing it there, and a control device 26 controlling these mechanisms so that the bolt is sequentially fastened up while the cylindrical body is turned and stopped by a predetermined angle.
Patent JP-2001215830-A (JP)
Title: Fixing device
Inventor: HANEDA SATORU
IPC: G03G15/20
Filed: 2000-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device where the wall of a fixing roll member is made thinner without having the fixing roll member damaged from metal fatigue, energy is saved, time for warming up is shortened, a wide nip part is formed and separating function of transfer material at the nip part is improved. SOLUTION: In the fixing device, the fixing roll member is made of a thin walled cylindrical elastic body, both ends of the fixing roll member are hold by retaining members provide with a greater inner diameter than the outside diameter of the fixing roll member. The deformation of the fixing roll member for a constant weight is greater than the deformation of a press roll member.
Patent JP-2001223418-A (JP)
Title: High efficiency laser oscillating method using non- coaxial brewster angle pumping
Inventor: MACHIDA HIROSHI
IPC: H01S3/094
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To provide a method and a device which excite a laser crystal with high efficiency by using a Brewster angle for generating a high output laser light. SOLUTION: A pumping light 1 is made to enter a laser crystal 2 practically with a Brewster angle, so that the p-polarized light component of the pumping light 1 is absorbed effectively in the laser crystal 2. The pumping light 1 can enter from two surfaces of the laser crystal 2, and damage of resonator mirrors 4, 5 can be prevented.
Patent JP-2001217963-A (JP)
Title: Facsimile terminal and its control method
Inventor: TAKAHASHI JUN
IPC: H04M11/00
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To provide a facsimile terminal that can quickly inform an operator about reception of a circulation document. SOLUTION: The facsimile terminal is provided with a read section 1 that reads an original, a recording section 2 that records received image information, a report and a mark sheet or the like, a coding decoding section 3 that applies coding/decoding to the image information, a system control section 4 that controls the entire system, a system memory 5 that acts like a work area used by the system control section 4, an image information memory 6 that stores the image information as required, an operation display section 7 that is provided with a key LED and an LCD or the like and entered by a user for its entry operation, a communication control section 8 that conducts transmission control, a modem 9 that modulates/demodulates an analog signal between a channel and the communication control section 8,  and a DTMF detector 10 that detects a DTMF signal sent from the channel.This invention sets a tone color, a tone volume and an alarm or the like at the time of receiving a circulation document as attached information attached to one box or more boxes.
Patent JP-2001225509-A (JP)
Title: Method and apparatus for recording image
Inventor: SAWANO MITSURU
IPC: H04N1/46
Filed: 2000-02-15
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for recording an image while correcting a black image without being influenced by other image data when an image is thermally transferred from a coloring material sheet to an image receiving sheet. SOLUTION: Image data inputted to a control section 69 is converted by a conversion sequence circuit 2 and a four-dimensional conversion table 1. When thermal transfer of black color is performed, the image data is converted by the conversion sequence circuit 2 using the conversion table 1 for invalidating four color image data of K, C, M, Y except the image data of K and the remaining image data of K is subjected to halftone dot conversion by a binarization sequence circuit 4 and a threshold table 3 before being delivered to a recording head controller 26. A recording head 40 thermally transfers a toner corresponding to K of a coloring material sheet 10 to an image receiving sheet 12 thsu developing black color without being influenced by the image data of C, M, Y and obtaining the same image as the halftone dots of a target printed matter.
Patent JP-2000201549-A (JP)
Title: Mulching device
Inventor: MASUMOTO MIKIO
IPC: A01G13/00
Filed: 2000-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a mulching device capable of surely covering the right and left side edge portions of an agricultural film with soil by disposing right and left soil-covering members whose ground-notching depths can separately be adjusted and further disposing specific hydraulic driving members. SOLUTION: In this mulching device, the right and left side edge portions of a rolled agricultural film are treaded with a pair of right and left compacting members 5 on the surface of the ground to deliver the film and cover the surface of the field with the film, and the right and left treaded side edge portions of the agricultural film are then covered with soil by the use of a pair of right and left soil-covering members 6.  The ground-notching depths of the right and left side edge portions 6 can separately be adjusted with height-adjusting devices 21, respectively, which can be operated by an operator at hand, and the right and left soil-covering members 6 are provided with hydraulic driving members 21a which are used for hydraulically pressing down the right and left soil- covering members 6 from a state reaching the surface of the ground, thereby adjusting the ground-notching depths of the right and left soil-covering members 6.
Patent JP-2001228168-A (JP)
Title: Acceleration sensor
Inventor: TANAKA HIROSHI
IPC: G01P15/09
Filed: 2000-02-18
Abstract: PROBLEM TO BE SOLVED: To provide an acceleration sensor which can be reduced in thickness and size, and manufactured at a low cost. SOLUTION: This acceleration sensor including a piezoelectric single plate constituted of an overlapping part and a detection part, is provided with a detection electrode detecting an electric signal generated in the detection part according to inertia force applied to the overlapping part and a ground electrode arranged on the surface facing the surface for forming the detection electrode.
Patent JP-2001193622-A (JP)
Title: Internal combustion engine ignition device
Inventor: INAGAKI HIROSHI
IPC: F02P9/00
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To provide an internal combustion engine ignition device which can minimize spark energy supplied to an ignition plug without limiting the time period for carrying primary current and prevent excessive supply of spark energy, which may cause multiple discharge, thus prolonging the life duration of the ignition plug. SOLUTION: In this internal combustion engine ignition device 1, spark is discharged between electrodes of an ignition plug 13 for a spark discharge time period Tt which is preset according to the operational status of the engine, a spark discharge breaking circuit 21 carries current in a primary coil L1 of an ignition coil 15 again to forcibly cut off spark discharge. The spark discharge time period Tt is calculated based on predetermined maps or formulae so that the time period is shorter when it is easier to ignite air-fuel mixture and that multiple discharge is prevented. It can prevent excessive supply of spark energy to the ignition plug 13 and multiple discharge, thus preventing electrode wear of the ignition plug 13 and prolonging the life duration of it.
Patent JP-2000249312-A (JP)
Title: Flat flame burner
Inventor: GIRAUD PATRICK
IPC: F23D14/22
Filed: 2000-02-23
Abstract: PROBLEM TO BE SOLVED: To reduce an amount of an NOx generated by a flat flame burner by using a principle of a flame dilution to lower an oxygen partial pressure by lowering a temperature of a reaction zone. SOLUTION: The flat flame burner comprises at least one fuel injection tube and a combustion air supply tube provided along an axis of a burner body. In this case, fuel 21 is introduced into a combustion produced gas so as to conduct a first fuel dilution in the produced gas through one or a plurality of axial orifices provided near an outer surface of a combustion tunnel 9 by one or a plurality of injection tubes 18, 19. Mixed gas 23 of the obtained fuel- combustion produced gas is further diluted by combustion air 24.
Patent JP-2001236921-A (JP)
Title: Abnormality detecting circuit for ionization measuring instruments and ionization measuring instruments
Inventor: TACHIBANA KOJI
IPC: H01J49/10
Filed: 2000-02-22
Abstract: PROBLEM TO BE SOLVED: To capture the state of a needle electrode as varying pulses of applied current of a high-voltage stabilized current source, and to realize abnormality detecting circuit to detect the needle electrode abnormal exceeding the threshold. SOLUTION: A needle electrode 2 produces corona discharge with a high voltage applied from a high-voltage stabilized current source 5. The current applied to the needle electrode 2 is converted into voltage with a current detecting resistor 6. Variation of the converted voltage is given as pulse output with signal amplifying circuit and differentiating circuit at a current detecting portion 7, and counted with a pulse counter circuit 8 at a fixed time interval. A counting comparison circuit 9 compares the counted value and with a setting dial 10 for threshold to regard the current variation abnormal and gives fault signal for the needle electrode when exceeding the value of the set dial 10.  Maintenance of cleaning or replacement for the needle electrode becomes easier because the fault signal is given when a current variation of the needle electrode exceeds the threshold and maintenance of the needle electrode with the fault signal.
Patent JP-2001028605-A (JP)
Title: Data communication system provided with distributed multi-casting
Inventor: REID STEVEN WILLIAM
IPC: H04L12/18
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To obtain excellent speed by allowing each network interface, which respectively has plural ports and relates an effective multicast group with an effective local port, to transfer a multicast data packet only at a local port belonging to a multicast group identified in a packet. SOLUTION: A managing interface 134 and network interfaces 132 are linked through control lines 138. A host 110 and a backbone network 120 are interconnected to the interface 132 at physical ports 1 to 10. The content of a 'master' entry is transferred to a network interface 132 belonging to a multicast group by 'out of band' on the line 138 from the interface 134 through external data transferring operation. The interfaces 132 adopt the transferred content of the 'master' entry.
Patent JP-2001243684-A (JP)
Title: Magnetic recording/reproducing device
Inventor: NISHIMA AKIRA
IPC: G11B5/008
Filed: 2000-02-28
Abstract: PROBLEM TO BE SOLVED: To reduce the number of rotary magnetic heads for digital information signals. SOLUTION: A pair of rotary drum assemblies 10 are attached oppositely to each other by 180 deg. on the outer periphery of an upper drum 14 having specified azimuth angles forward/backward to each other, and support a pair of rotary magnetic heads H7A and H7B sharing standard (STD) mode time and a high-speed (HP) mode time, and capable of recording/reproducing, rotatably with the upper drum 14. At the time of the high-speed (HS) mode, the tape speed of a magnetic tape is set to be double that of the standard mode time, and the rotational speed of the magnetic tape is set to be double that of the standard mode time. In addition, the rotational speed of the upper drum 14 is set to be double that of the standard mode time.  A first drum inclined angle correcting means 8A controls the rotational loci of the pair of rotary magnetic heads H7A and H7B in such a way as to obtain the track pattern of a first inclined angle (θSTD) at the standard mode time, and the track pattern of a second inclined angle (θHS) at the high-speed mode time.
Patent JP-2001244861-A (JP)
Title: Device and method for radio reception
Inventor: HARADA HIROYUKI
IPC: H04B7/06
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To provide a radio reception device which switches over antennas and gains easily and properly to obtain excellent communication characteristics even in a fading environment. SOLUTION: The radio reception device which performs diversity receiving by switching antennas 10a and 10b by an antenna selector switch 11a selects an antenna different from an antenna receiving an information part essential for reception in a reception slot before the information part, measures and stores the received electric field intensity by a received signal intensity detection part 19 and then switches the antenna to the original antenna, measures the received electric field intensity when the information part is received, compares it with the previously stored received electric field intensity by a diversity control and gain control part 21, sets the antenna having a higher received electric field intensity as an antenna to receive an information part essential for the reception of a next slot,  and sets the gain of the next slot according to the received electric field intensity of the antenna having the higher received electric field intensity.
Patent JP-2001207720-A (JP)
Title: Gravity hinge
Inventor: SHOJI MITSUAKI
IPC: E05D7/00
Filed: 2000-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a gravity hinge to be installed on an opening door which improves the number of opening times. SOLUTION: In this gravity hinge comprising a lower support member and a lower pivotal member, the lower support member has a horizontal base plate, a vertical base plate, a shaft standing at a front part of the horizontal base plate, and a lower can part having symmetric inclined cam surfaces separated to the right and left from the highest top part to be continuous in gradients to the lowest trough parts, the lower pivotal member has an installation plate, an engagement cylinder protruded above an end part of the installation plate with a cylindrical opening part from the lower end side,  and an upper cam part having inclined cam surfaces of reversely directed forms to those of the symmetric inclined cam surfaces of the lower cam part fixed in the engagement cylinder and separated from the lowest bottom part to the right and left to be continuous in gradients to the highest head part, the shaft is inserted into center holes bored in the lower cam part and the upper cam part, and an opening part in the engagement cylinder, and a pair of oil holes are formed through from an upper end surface of the upper cam part toward middle positions in the respective inclined cam surfaces.