baber/WOPTO huggingface dataset:
Patent JP-2002029727-A (JP)
Title: Process and device for producing silicon for solar cell
Inventor: YAO YUUGO
IPC: C22B9/22
Filed: 2000-07-21
Abstract: PROBLEM TO BE SOLVED: To provide a process for producing silicon for a solar cell with high productivity. SOLUTION: This production process comprises: an acid-cleaning refining stage for subjecting granular raw material metallic silicon to acid-cleaning treatment to remove acid-soluble metal impurities such as Fe and Ti; a vacuum refining stage for melting the resulting granular silicon from the acid-cleaning refining stage, under vacuum to remove metal impurities each having a low vapor pressure, such as Mn, by evaporating them; an oxidation refining stage for adding oxygen and/or steam to the resulting molten silicon from the vacuum refining stage, in a gaseous argon atmosphere to oxidize and remove oxidizable impurities such as C and S; and a solidification refining stage for subjecting the resulting molten silicon from the oxidation refining stage, to unidirectional solidification to remove residual impurities such as Fe and Ti;  wherein these refining stages except the acid-cleaning refining stage, are successively and continuously performed in such a way that the material to be refined in each of the refining stages (except the acid-cleaning refining stage) is brought into a molten state effected by subjecting the material to skull melting with an induction-heated cold crucible.
Patent JP-2002037000-A (JP)
Title: Air bag device for front passenger seat
Inventor: SUYAMA HIROSHI
IPC: B60R21/215
Filed: 2000-07-24
Abstract: PROBLEM TO BE SOLVED: To provide an air bag device for a front passenger seat which is excellent in appearance of an instrument panel and has a skin layer of the instrument panel which is smoothly broken at the time of expansion of an air bag. SOLUTION: An instrument panel 11 of an air bag device M1 for a front passenger seat is composed of a base part 12 which has the front side door part 15 and the rear side door part 16 opened at the time of expansion of an air bag 1, a foam layer 27, a skin layer 30 for a door part which covers a surface side of the rear side door part 16, and a skin layer 29 which has a skin layer 31 for a general part covering other parts of the instrument panel 11. Both terminals 30a and 31a which are adjacent to the skin layer 30 for a door part and the skin layer 31 for a general part are piled and buried inside the foam layer 27. Plane shapes of the skin layer 30 for a door part and right and left, both corners of the rear side door part 16 on the front end side of the vehicle are formed in a nearly arc shape. Right and left both edges of the frond side door part 15 on the rear end side of the vehicle which extends frontward of the vehicle extends frontward of the vehicle in a nearly straight line from the inner side of the nearly arc shaped part of the right and left both corners of the rear side door part 16 on the front end side of the vehicle as the start point.
Patent JP-2002035213-A (JP)
Title: Slot machine
Inventor: HAYAMIZU HIROSHI
IPC: A63F5/04
Filed: 2000-07-24
Abstract: PROBLEM TO BE SOLVED: To provide a slot machine capable of eliminating any impartiality by a technical level of a game player and enjoying excellent game spirit by a game player in every technical level. SOLUTION: In this slot machine 10, a right favorable for the game player in which patterns stopped and displayed on a display window 16 are made at a predetermined pattern is generated based on the operation of a stop button 22 when a flag is established. On the other hand, if the flag is established but no right favorable for the game player is generated, the game player can recognize a condition that the flag is established when the pattern stopped and displayed on the display window 16 are made at a ready-for-win. Since a condition that the flag is established by a notification lamp 26 can be notified to the game player, partiality by the technical level of the game player can be eliminated, and even the game player who memorizes no ready-for-win can enjoy the game spirit.  In addition, the notification lamp 26 can be shielded by a shielding door 28, even the game player who memorizes the ready-for-win can enjoy the excellent game spirit.
Patent JP-2002039301-A (JP)
Title: Chain replacement jig
Inventor: NAGAO OSAMI
IPC: F16H7/24
Filed: 2000-07-25
Abstract: PROBLEM TO BE SOLVED: To provide a chain replacement jig preventing dropping of a chain from the jig and dropping of the jig from a sprocket gear during chain replacement work. SOLUTION: The chain replacement jig 10 has a pair of chain guides 2a and 2b provided to clamp the chain 5; a bolt 8 is inserted into holes 16a and 16b provided in the tops of the pair of chain guides 2a and 2b and is fixed therein to interconnect the tops of the chain guides 2a and 2b and to adjust the clamping width of the chain guides 2a and 2b. A plate portion 9 is inserted into grooves 7a and 7b provided on the opposite surfaces of the chain guides 2a and 2b to disengage the toothed part 6 of the sprocket gear from the chain 5. A guide fixing bolt 4 is inserted into communicating holes 18a and 18b provided in the lower ends of the chain guides 2a and 2b and is brought into engagement with the toothed part 6 to fix the jig 10 to the sprocket gear.
Patent JP-2002044073-A (JP)
Title: Enciphering system and deciphering system
Inventor: TAKEDA KOJI
IPC: H04L9/26
Filed: 2000-07-25
Abstract: PROBLEM TO BE SOLVED: To provide an enciphering/deciphering method, which improves reliability and can be applied to applications over a wide range. SOLUTION: A device 10 generates a vector in the manner of chaos or successively while using a non-linear function for rotating and parallel advancing an n-dimensional (n>=1) vector defined within the closed area of an n-dimensional space and enciphers a plane sentence M while using this vector. A cryptographic sentence C generated thereby is transmitted to a device 12. The device 12 generates the vector similarly to the device 10 and deciphers the cryptographic sentence C while using this vector. The devices 10 and 12 share a common key and the non-linear function is generated by a parameter corresponding to the common key. The non-linear function includes a rotary matrix for rotating the n-dimensional vector and this vector is successively generated so as not to be mutually matched.
Patent JP-2001083564-A (JP)
Title: Camera provided with optical system having diaphragm by label
Inventor: BOYD JAMES D
IPC: G03B17/04
Filed: 2000-07-26
Abstract: PROBLEM TO BE SOLVED: To provide an accurately positioned diaphragm and to disuse a holder or a guide part positioning the diaphragm related to the optical axis of a photographing lens by including a hole positioned substantially concentrically with an optical axis and including an opaque shielding part surrounding the hole and partially covering over the peripheral part in a label. SOLUTION: This camera 100 is provided with a body 116 and a label 114 is attached to the body 116. The body 116 is provided with a lens assembly 118 including the photographing lens 112 and a cradle 120 supporting the lens 112 while partially surrounding it. The lens 112 and the hole 122 of the cradle 120 partition the first optical diaphragm from a visual field which is equivalent to the optical diaphragm and which is not shielded. The body 116 of the camera 100 is provided with a surface 156 to which the label 114 is attached. The surface 156 is provided with an outer periphery. The label 114 is positioned distantly from the outer periphery so as to partially cover over the periphery part of a lens part.
Patent JP-2001341862-A (JP)
Title: Paper feeding roller
Inventor: ANDO YUKIO
IPC: B65H3/06
Filed: 2000-07-27
Abstract: PROBLEM TO BE SOLVED: To provide a paper feeding roller having high abrasion resistance and high coefficient of friction, and capable of being stably used for a long period. SOLUTION: An annular elastic body mounted on an outer peripheral face of a core body is composed of two layers, that is, an outer layer formed by a non-foaming layer and an inner layer formed by a foaming layer, or three layers including an innermost layer formed by a non-foaming layer to improve the fastening to the core body, in addition two the outer layer and the inner layer.
Patent JP-2002042774-A (JP)
Title: Battery excellent in safety
Inventor: HIRAMURA YASUAKI
IPC: H01M10/0587
Filed: 2000-07-27
Abstract: PROBLEM TO BE SOLVED: To provide a battery capable of efficiently discharging gas when internal pressure suddenly rises. SOLUTION: This battery 1 is provided with a battery element 2 including positive and negative electrodes 2a, 2b, a case 3 for housing the battery element 2, an electrode terminal 4 insulated from the case 3 and penetrating the case 3, and a safety valve 5 provided on the case 3. One of the positive and negative electrodes 2a, 2b is connected to the electrode terminal 4, and the other one is connected to the case 3 through collecting washers 6, 7. The collecting washers 6, 7 are fixed in the positions so as not to be overlapped on the safety valve 5 when the flat surface including the opening surface of the safety valve 5 is seen through.
Patent JP-2002043912-A (JP)
Title: Current output circuit, analog switch circuit, operational amplifier circuit and semiconductor device
Inventor: SUZUKI HISAO
IPC: H03K17/687
Filed: 2000-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a current output circuit that has a fast operating speed. SOLUTION: The current output circuit 40 is provided with a transistor(TR) Q41 between the gate and the source of which a resistive element R11 is connected and whose drain receives a current I41, a TR Q42 whose gate and source are connected to the drain and the gate of the TR Q41 respectively, and a TR Q45 between the gate and source of which a resistive element R12 having a resistance in correlation with the resistance of the resistive element R11 is connected, has an element size in correlation with that of the TR Q41, whose gate receives a current I43 on the basis of a drain current I42 of the TR Q42 and whose drain outputs a current I44 in correlation with the current I41. The current/voltage conversion by the resistive element R12 in this current output circuit 40 sets a gate voltage Vb of an output TR Q45.
Patent JP-2002051576-A (JP)
Title: Actuator using electromechanical transducer
Inventor: KUWANA MINORU
IPC: H01L41/083
Filed: 2000-08-01
Abstract: PROBLEM TO BE SOLVED: To provide an actuator using an electromechanical transducer which can drive independently plural members to be driven with one actuator. SOLUTION: A first and a second lens group holding frames 21, 22 are frictionally coupled with a driving shaft 15. A zoom switch 32, a storage device 33, sensors 35, 36 for detecting the positions of a first and a second lens groups L1, L2, a driving circuit 34 for driving a piezoelectric transducer 14, etc., are connected with an I/O port of a CPU 31 of a control circuit 30. When the holding frame 21 is driven, driving pulses having a waveform corresponding to the holding frame 21 are supplied to the piezoelectric transducer (electromechanical transducer) 14, and the holding frame 21 is driven by reciprocal vibration different in velocity which is generated in the driving shaft 15. In this case, the holding frame 22 is not driven.  When the holding frame 22 is driven, driving pulses having a waveform corresponding to the holding frame 22 which is different from the above waveform is supplied to the transducer 14 and the holding frame 22 is driven. In this case, the holding frame 21 is not driven.
Patent JP-2002051361-A (JP)
Title: Sound gain control circuit
Inventor: SATO ATSUHIKO
IPC: H04Q1/54
Filed: 2000-08-01
Abstract: PROBLEM TO BE SOLVED: To obtain a proper sound level, and moreover to prevent generation of any sound level fluctuation even at communicating via a line whose loss is frequently generated, such as a public network. SOLUTION: A private line 10 is connected via an electronic switchboard 26 equipped with a sound gain control circuit 28 to a public network 14. The sound gain control circuit is constituted of a reception side AGC circuit 22, a transmission side AGC circuit 24, and an AGC monitor control circuit 30. The reception side AGC circuit controls the sound level of a received signal transmitted from a public network. The transmission side AGC circuit controls the sound level of a transmission signal transmitted from the private line. The AGC monitor control circuit stops the transmission side AGC circuit, when the reception level is made low at the transmission level is set high.
Patent JP-2002047564-A (JP)
Title: Method and system for manufacturing optical thin film by sputtering
Inventor: SAWAMURA MITSUHARU
IPC: G02B1/115
Filed: 2000-08-01
Abstract: PROBLEM TO BE SOLVED: To provide a method and a system for manufacturing an optical thin film by sputtering by which stable film deposition rate capable of enabling long-term film deposition or long-term continuous film deposition of dichroic film, etc., can be obtained by means of film thickness control by time. SOLUTION: In the method for manufacturing sputter film, the optical thin film is deposited while setting the temperature of the cooling water for a cathode for target in the sputtering system to the predetermined value between 30 and 80 deg.C.
Patent JP-2002046724-A (JP)
Title: Air hold container
Inventor: ICHIDA MINORU
IPC: B65D1/02
Filed: 2000-08-01
Abstract: PROBLEM TO BE SOLVED: To provide a convenient air hold container and its manufacturing method in which a restriction in size of a sealingly closed structure formed at the upper part of a neck segment of opening of the container can be easily attained in a more accurate manner. SOLUTION: A flange 3 at a neck 2 of a container 1 is formed with an opening member 8. The opening member 8 is constituted by a circumferential wall 5 and an opening part 7. The circumferential wall 5 is vertically arranged from the flange 3 in an upward direction through a sealing part 4. The opening part 7 is constituted by an upper edge 6 of the circumferential wall 5. A resin film 9 for sealingly closing the opening part 7 is connected to the upper edge 6 of the circumferential wall 5.
Patent JP-2002047230-A (JP)
Title: Method for producing ditrimethylolpropane
Inventor: NINOMIYA AKIYUKI
IPC: C07C41/00
Filed: 2000-08-03
Abstract: PROBLEM TO BE SOLVED: To recover highly pure ditrimethylolpropane from distillation residues, after trimethylolpropane is distilled and recovered from a reaction solution in a method for producing trimethylolpropane by the reaction of normal butyl aldehyde with formaldehyde in the presence of a basic catalyst. SOLUTION: This method for producing highly pure ditrimethylolpropane comprises decomposing with an acid formal compounds in a distillate obtained by removing components having higher boiling points than that of ditrimethylolpropane from the distillation residues, and then crystallizing the product with a solvent.
Patent JP-2002045218-A (JP)
Title: Arm band
Inventor: MITAMURA HAJIME
IPC: A44C5/00
Filed: 2000-08-03
Abstract: PROBLEM TO BE SOLVED: To provide a convex-type arm band rotatably attached to at least one side of one end side of a case body of portable equipment and the other end side of the case body facing one end side. SOLUTION: Both ends of block members 50, 51 in which insertion holes inserted with thin plate members 30, 40 are provided in the longitudinal direction are rotatably supported on a PHS communication terminal body 10, and the thin plate members 30, 40 are rotated in relation to the PHS communication terminal body 10.
Patent JP-2002045955-A (JP)
Title: Continuous casting method
Inventor: ITO YOSHIKI
IPC: B22D11/128
Filed: 2000-08-03
Abstract: PROBLEM TO BE SOLVED: To provide a continuous casting method with which a round cast billet having little center segregation and internal crack, and good shape can be obtained. SOLUTION: In a method for applying rolling reduction to the cast billet by using a first and a second rolling reduction roll pairs 5, 6, the diameter of the cast billet at the outlet side of a mold is 150-400 mm, and the rolling reduction rate with the first rolling reduction roll pair 5 is <=120 mm and the rolling reduction is applied at the rolling reduction rate satisfying the following formula (A) to control the fluidity of the concentrated molten steel in segregated component exhausted to the upstream side with the rolling reduction by using an electromagnetic brake device 8 arranged <=2 m apart on the upstream side of the first rolling reduction roll pair. 0.4<=R/L<=1.6...(A) Wherein, R: the rolling reduction rate (mm) applying the rolling reduction with the first rolling reduction roll pair, and L:  the thickness (mm) in non-solidified part (range of <=0.99 solid phase ratio) at the position of the first rolling reduction roll pair.
Patent JP-2002045220-A (JP)
Title: Arm band
Inventor: NOGUCHI KOICHI
IPC: A44C5/20
Filed: 2000-08-04
Abstract: PROBLEM TO BE SOLVED: To adjust the length of even a bangle-type or convex-type arm band. SOLUTION: A length adjusting means 60 integrally connected to the inner surface side to be brought into contact with the arm, having the opened outer surface side, and having a cutout structure for forming a space so as to discriminate the inner side and the outer side is provided on the tip of a main body 50 of a six o'clock side band 40.
Patent JP-2002049410-A (JP)
Title: Modeling system for sequence control system and sequence program generation supporting system and medium with the same generation supporting program stored
Inventor: HASEGAWA KENSUKE
IPC: G05B19/05
Filed: 2000-08-04
Abstract: PROBLEM TO BE SOLVED: To perform the modeling of a sequence control system based on rational and practical diagram expression by introducing a new module with a conventional MFG as a basis. SOLUTION: A sequence control system controlled by a sequence program for generating, editing, or verifying a sequence program is modeled and displayed with a diagram. The diagram for modeling the sequence control system is prepared on the basis of a mark flow graph including a box bt expressing situations, transitions ti and to expressing events, a flow arc indicating the flow of control by connecting the box bt to the transition ti and to, control arcs u1 and u2 indicating signals inputted from the outside for controlling the ignition of the transitions, an output arc y indicating a signal outputted from the box to the outside, and a token black circle mark indicating the present situation. In this case, the specific box bt and the transition ti and to before and after the box bt are expressed with blocks as one functional transition.  The functional transition includes a code (JK) indicating a function, the input and output terminal of the flow arc, the input terminal of the control arcs u1 and u2, and the output terminal of the output arc y.
Patent JP-2002054272-A (JP)
Title: Vertically-roofed roof structure
Inventor: KAMOSHITA SHINJI
IPC: E04D3/35
Filed: 2000-08-08
Abstract: PROBLEM TO BE SOLVED: To provide a vertically-roofed roof structure capable of easily installing a heat insulating material, requiring no sheathing roof board due to a high degree of freedom on design and high rigidity, and capable of widening the interval between purlins than before, and reducing the material cost and the execution cost of a roof. SOLUTION: A first engaging section and a second engaging section of metal roof panels adjoining in the direction perpendicular to the grade of the roof are engaged by fixing to the purlin 1 arranged in a prescribed interval and connected together in this vertically-roofed roof structure. The metal roof panel 4 is provided with a support section 5 formed at one end in the width direction and fixed to the purlin, a rising section 5L rising from the support section 5, the first engaging section 10 formed at the upper end of the rising section 5L, a flat section 8 continued to the first engaging section 10 and formed upward from the upper end of the rising section, and the second engaging section 20 formed at the end section of the plate section 8.
Patent JP-2002058943-A (JP)
Title: Filter and its manufacturing method
Inventor: MORI HISASHI
IPC: B01D39/16
Filed: 2000-08-14
Abstract: PROBLEM TO BE SOLVED: To provide a filter which is good in handleability and capable of surely having desired performances by stably keeping a shape of the filter wave-form pleated in a cross section. SOLUTION: In the filter, the outer periphery of a filter base material pleated so as to have the wave-formed cross section is surrounded with a frame-shaped frame body and the end edge part of the outer periphery of the filter base material is adhered and fixed to the inner peripheral surface of the frame body.
Patent JP-2002057487-A (JP)
Title: Microwave anechoic chamber and radio wave absorber
Inventor: YAMAMOTO YUKIO
IPC: H05K9/00
Filed: 2000-08-15
Abstract: PROBLEM TO BE SOLVED: To enhance measurement accuracy of radio waves transmitted/received to/from a transmitter/receiver, at testing in a microwave darkroom. SOLUTION: A cable 26 connected with a transmitter/receiver, i.e., an antenna 22, is led out outdoors, while being divided into a first lead-out part L1 from the antenna 22 to the vicinity of the inner wall and a second lead-out part L2 from the vicinity of the inner wall to an outdoor outlet 28 along the inner wall. The first lead-out part L1 is supported by a cable support part 32 in a direction orthogonal to the direction of polarization of a wave transmitted/ received by the antenna 22, and the second lead-out part L2 guides a radiated radio wave to a guide path 36 provided in a radio wave absorber 16. According to the arrangement, effect of radio waves radiated from the cable 26 is reduced and the measurement accuracy of transmitting/receiving characteristics of the antenna 22 is enhanced.
Patent JP-2002064783-A (JP)
Title: Data recording and reproducing device
Inventor: MIZOBUCHI KOJI
IPC: H04N5/91
Filed: 2000-08-16
Abstract: PROBLEM TO BE SOLVED: To provide a data recording and reproducing device that can easily confirm a person dictating and contents of dictation at reproduction with user friendliness without misoperations. SOLUTION: The data recording and reproducing device is provided with a coding means 101 that codes a voice and image signal, a selection means 105 that selectively gives a quantized image signal to the coding means 101 through the operation of a specific switch of a switch operation section 106 only at recording, a storage means 102 that stores voice data and image data related to the voice data, a decoding means 103 that decodes the voice data and the image data read from the storage means 102 at reproduction, a voice- reproducing section 104 that reproduces the decoded voice signal, an image- reproducing section 108 that reproduces the decoded image signal, and a selection means 107 that selectively gives only the image signal related to the voice signal to the image-reproducing section 108.