baber/WOPTO huggingface dataset:
Patent JP-2002021752-A (JP)
Title: Scroll compressor
Inventor: TAKEDA SHUJI
IPC: F04C18/02
Filed: 2000-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a scroll compressor preventing high pressure gas from leaking out to the low pressure side and capable of restraining reduction in volumetric efficiency and reduction in energy consumption efficiency of the compressor by sealing clearance between an annular seal member and a seal groove with the annular seal member for slidingly sealing to partition two kinds of pressures when low pressure acts on the central side of an end plate of a turning scroll and high pressure acts on the outside. SOLUTION: In this scroll compressor for arranging the annular seal member 11 on a back face of the end plate 5a of the turning scroll 5 for slidingly sealing and partitioning so as to operate two kinds of pressures of inner peripheral side pressure applied to the inside of the end plate 5a and outer peripheral side pressure higher than the inner peripheral side pressure and applied to the outside of the end plate 5a and arranging an elastic member 13 for pressing the annular seal member 11 to the turning scroll 5 via a ring member 14, the annular seal member 11 is formed as a double ring-shaped structure of an outer ring-shaped member 11a and an inner ring-shaped member 11b fitted to the inside of the outer ring-shaped member 11a.
Patent JP-2002021028-A (JP)
Title: Road utilities installed inside of tunnel and visual guidance system inside of tunnel
Inventor: NOSE TAKAHIRO
IPC: E01F9/588
Filed: 2000-07-06
Abstract: PROBLEM TO BE SOLVED: To provide road utilities capable of being installed inside of a tunnel improving a visual environment inside of the tunnel and greatly reducing the number of cleaning times as well as the simplification of cleaning for maintaining the visual environment. SOLUTION: The visual guidance system has a photocatalyst activated by ultraviolet rays and substance emitted by the ultraviolet rays, the substance emitted by irradiation of the ultraviolet rays is excited to improve the visual environment inside of the tunnel, the activated photocatalyst reveals oxidizing operation and hydrophilic operation, a contaminant is analyzed and, at the same time, the contaminant can be flushed out by only water washing.
Patent JP-2002022077-A (JP)
Title: Flexible expansion joint
Inventor: SUZUKI YUKINAO
IPC: F16L23/024
Filed: 2000-07-07
Abstract: PROBLEM TO BE SOLVED: To provide a flexible expansion joint capable of facilitating the mounting work of a flexible member on a flange and the replacing work of the flexible member, and allowing the reuse of the flange and a presser metal fitting. SOLUTION: This flexible expansion joint comprises a cylindrical flexible member and a flange and nipple provided on both ends thereof. A taper part is formed at the end of the flexible member located on the circumference of a tubular nipple bonded to the flange, and the flexible member including the taper part is fixed by a pressing member 5. The presser member 5 is preferably removably connected to the tubular nipple in a part where the cylindrical flexible member is not located. 1. flexible expansion joint, 2. cylindrical (rubber) flexible member, 2A. arch part, 2B. taper part, 3. flange, 4. tubular nipple, 5. presser metal fitting, 6. bolt, 7. cap nut.
Patent JP-2002020631-A (JP)
Title: Resin composition with improved moldability
Inventor: SHIBATA MASAYUKI
IPC: C08L33/04
Filed: 2000-07-07
Abstract: PROBLEM TO BE SOLVED: To provide a resin composition with improved moldability which enables kneading and pelletization without any problem, even when the large amount of a hydrogenated caster oil as the dispersing agent of pigments, the modifying additive for thermoplastic resins, and the like are added. SOLUTION: The resin composition with improved moldability is obtained by adding a hydrogenated caster oil, a colorant, and a thermoplastic elastomer or a polyester having a melting point of <=200 deg.C and a glass transition temperature of <=30 deg.C to a thermoplastic resin.
Patent JP-2002017614-A (JP)
Title: Toilet seat apparatus
Inventor: OISHI RYUTA
IPC: A47K13/10
Filed: 2000-07-07
Abstract: PROBLEM TO BE SOLVED: To provide an opening driving system of a toilet seat and lid in a toilet seat apparatus having a drive unit capable of driving the toilet seat and lid separately or simultaneously, wherein the toilet seat and the toilet lid can be opened/shut smoothly without requiring excess mechanical precision of the drive unit. SOLUTION: The toilet seat apparatus 1 is provided with the rotatable toilet seat 10 and the rotatable toilet lid 15 on the toilet seat 10, wherein the toilet seat 10 and the toilet lid 15 can be automatically opened/shut separately or simultaneously. A control means is provided on the toilet seat apparatus 1 so that backlash and looseness of a toilet seat driving system 4 and a toilet lid driving system 12 are optimally controlled corresponding to the next operation. Drive shafts of the driving systems 4 and 12 of the toilet seat 10 and the toilet lid 15 are connected in specified fitting angles so that backlash and looseness of each driving system becomes an optimal state corresponding to the next operation.
Patent JP-2002028795-A (JP)
Title: Method and equipment for laser beam welding
Inventor: MATSUNAWA AKIRA
IPC: B23K26/21
Filed: 2000-07-10
Abstract: PROBLEM TO BE SOLVED: To provide an excellent welded joining by realizing a sufficient penetration cross section and a sufficient penetration depth even in a metallic member which has a high reflectivity and a high thermal diffusion rate. SOLUTION: A first YAG laser 10 generates a YAG laser beam LBCW (wave length is 1,064 nm) having continuous fundamental waves and a second YAG laser 12 generates a second higher harmonic Q-switched YAG laser beam LBSHG (wave length is 532 nm) of a high speed repetitive pulse oscillation. The fundamental wave YAG laser beam emitted from the first YAG laser and the second higher harmonic Q-switched YAG laser beam emitted from the second YAG laser are transferred to an existing unit 16 via respective laser beam transfer path. Further, both laser beams are superimposed on a same axis by a dichroic mirror 66 after each of the beams is adjusted to a predetermined beam diameter with a collimator lens 64 and a beam expander 70 in the existing unit, and condensed at a point in the vicinity of the weld zone WP of a work W with a condenser lens 68.
Patent JP-2001080751-A (JP)
Title: Sheet storage device, sheet feeding device and image forming device
Inventor: HIURA HIROSHI
IPC: B65H1/04
Filed: 2000-07-11
Abstract: PROBLEM TO BE SOLVED: To release the engagement of a separating claw and a sheet while pushing a side regulating member with the sheet for deflection in the case of installing a paper feeding cassette in a device main body. SOLUTION: This storage device is provided with a framework having a side plate 1A stood from a bottom plate 1C, side regulating members 5, 6 for regulating ends of sheets and provided freely to be moved in response to size of the sheets stored in the framework. A rib member 6b provided in the side regulating member 6 is engaged with a through opening 1b provided in the side plate 1A freely to be slid. With this structure, deflection of the side regulating member 6 due to pushing by the sheets can be prevented in the case of installing a paper feeding cassette.
Patent JP-2002023011-A (JP)
Title: Signal processor and light transmission medium
Inventor: MORI HIROTAKA
IPC: G02B6/28
Filed: 2000-07-11
Abstract: PROBLEM TO BE SOLVED: To provide a signal processor and a light transmission medium capable of reducing the number of optical fibers for repeating each equipment and capable of preventing transmission light quantity from deteriorating. SOLUTION: A multi-function system 10 is structured such that a controller 12A and a scanner 12B are connected to an image forming device 11, which is constituted by including an optical scanner 12D, an optical distributor 16, etc. The optical distributor 16 is arranged at the end part of the housing of the image forming device 11 and provided with optical connectors 42, 43 for connecting the controller 12A and the scanner 12B, with the optical connectors exposed outside the housing. Consequently, the controller 12A and the scanner 12B can be directly connected to the optical distributor 16 through optical fibers 52, 53, therefore the number of repeating optical fibers inside the image forming device 11 can be reduced.
Patent JP-2002026706-A (JP)
Title: High-voltage switching unit and pulse generator employing the high-voltage switching unit
Inventor: IWATA AKIHIKO
IPC: H03K17/08
Filed: 2000-07-12
Abstract: PROBLEM TO BE SOLVED: To provide a high-voltage switch unit, consisting of series connection of high-voltage switch circuits where a sufficiently constant gate voltage is applied to high-speed switching elements of each high-voltage switching circuit, each high-speed switching element which realizes switching with a high repetitive frequency, and a fault in each high-voltage switching circuit can be detected and to provide a pulse generator employing the high-voltage switching unit. SOLUTION: Forced discharge circuits G1-Gn, forcibly discharge electric charges in main high-speed switch elements IGBT1-IGBTn, and voltages VJ1-VJn at connection sections J1-Jn and gate voltages VK1-VKn of 2nd NMOS transistors TRs QB1-QBn are also discharged within a time which depends on pulse width setting resistors RF1-RFn. Moreover, the high-voltage switching unit is provided with fault detection circuits UD1-UDn, to detect destruction of the main high- speed switch elements IGBT1-IGBTn.
Patent JP-2001350434-A (JP)
Title: Video display device, display devices connected in plural units to this video display device and method for assembling display devices
Inventor: KURATOMI SEIICHIRO
IPC: H05K5/02
Filed: 2000-07-14
Abstract: PROBLEM TO BE SOLVED: To provide a video display device which adopts LEDs, etc., for display elements, is stable by self-standing, makes it possible to obtain a good cooling effect and allows assembling of a large-sized screen by easily connecting the display devices one above the other. SOLUTION: A front panel 8 and a rear panel 9 of the same shape are connected by means of struts 10 and a plurality of video units 1 arrayed with the many display elements (a) are mounted on the front panel 8 side and a control section 5 for controlling the drive of the display elements (a) is mounted at the rear panel 9, respectively. The rear panel 9 is provided with notches 93 and the video display device of a large weight may be easily superposed while rods 94 are placed in these notches 93. Then, the entire part of the video display device is stabilized by the collateral constitution of the front and rear panels 8 and 9. The heavy video display device may be positioned with high accuracy and the efficient assembly of the enlarged display device is made possible by the insertion and use of the rods 94 into the notches 93.
Patent JP-2001165340-A (JP)
Title: Damper for holding differential pressure
Inventor: SUGIHARA YOSHIBUMI
IPC: F16K24/00
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To provide a damper for holding differential pressure that is excellently quiet and can restrain pressure fluctuations. SOLUTION: An opening part 90A is opened and closed by sliding along a shaft 22, and an air cylinder 24 is installed in a movable plate 20 to hold differential pressure between a chamber 12A and a chamber 12B constant. This enables vibration of the movable plate 20 to be restrained and the generation of opening and closing sound of the movable plate 20 to be restrained.
Patent JP-2002030671-A (JP)
Title: Plinth block, sill foundation, and structure and method of joining base to structure body
Inventor: TSUKADA KENICHI
IPC: E02D27/00
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To provide a plinth block, a foundation, and a base, and a structure and a method of joining the base to a structure body capable of easily connecting in short time the base adjacent to an entrance floor to the structure body such as floor members, edge members, and foundation in an increased airtight state. SOLUTION: The plinth block 10 laid down on the upper end of the base 9 adjacent to the entrance floor 1 and provided between the base 9 and an entrance frame part 6 constructed on the base 9 comprises a plinth block body 14 disposed on the upper surface of the base 9 along the longitudinal direction thereof and a seal material 15 disposed on the plinth block body 14 parallel with each other along the longitudinal direction thereof and closely fitted onto the upper surface of the base 9 and the lower surface of the entrance frame part 6.
Patent JP-2002031653-A (JP)
Title: Movement for meter drive
Inventor: TAKAHASHI HIDEYUKI
IPC: G01R5/16
Filed: 2000-07-17
Abstract: PROBLEM TO BE SOLVED: To provide a movement structure, for instrument drive, wherein when many instrument movements are manufactured, the indication characteristic of every instrument movement can be made uniform as well as the manufacturing property and the manufacturing economical efficiency of every instrument movement can be increased. SOLUTION: The movement for instrument drive is formed in such a way that a bowl-shaped shielding case is fitted and applied to a bobbin formed by winding a coil on the outer circumference of the bobbin which rotatably supports a rotor. A protrusion which regulates the direction of the shielding case is installed so as to protrude at the opening edge of the shielding case. When the shielding case is conveyed by a parts feeder, the protrusion is guided by the passage wall of the parts feeder, and the circumferential direction of the shielding case is regulated.
Patent JP-2001196421-A (JP)
Title: Method for mounting semiconductor chip on board and semiconductor device suitable for mounting on board
Inventor: CHEN I MING
IPC: H01L23/532
Filed: 2000-07-18
Abstract: PROBLEM TO BE SOLVED: To prevent a semiconductor device from deteriorating in yield due to the fact that a bonding pad is reduced in size and a distance between bonding pads is shortened. SOLUTION: A semiconductor device is suitable for being mounted on a board 9 equipped with a chip mounting region in which solder solder points 90 are provided. The semiconductor device is equipped with a semiconductor chip 1. The semiconductor chip 1 is equipped with a pad mounting surface 10 on which bonding pads 11 are provided, the bonding pads 11 are arranged on the mounting surface 10 at positions off the corresponding solder points 90 in the chip mounting region. A conductor 3 is formed on the pad mounting surface 10 so as to electrically connect the bonding pads 11 to the corresponding solder points 90.
Patent JP-2002035831-A (JP)
Title: Method and apparatus for rolling load detection
Inventor: YAMADA KENJI
IPC: B21C51/00
Filed: 2000-07-21
Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for rolling load detection which permit a high accuracy of the rolling load to be detected based on the pressure measured value by performing the pressure measurement of the operating oil under the practically static conditions (a condition causing no temporal change) of the pressure state of the operating oil in the cylinder in the rolling mill having a hydraulic drafting cylinder. SOLUTION: An inflow speed and outflow speed of the hydraulic oil into the hydraulic drafting cylinder 1 are detected and monitored by flow speed detection apparatus 2, 2' and when a judgment is given that the inflow and outflow of the hydraulic oil has ceased through a comparison arithmetic unit 3, the hydraulic oil pressure inside the hydraulic drafting cylinder 1 is measured using pressure measuring apparatus 4, 4' and then, the hydraulic drafting reaction force value which affects a piston rod 6 inside the hydraulic drafting cylinder 1 using a computing device 5 from the stress area of the hydraulic drafting cylinder 1 found from the measured value of the hydraulic oil pressure and from drawings in advance is calculated and the hydraulic drafting reaction force value is regarded as the detected value of the rolling load.
Patent JP-2002042457-A (JP)
Title: Magnetic memory
Inventor: MIZUKAMI MAKOTO
IPC: H01L21/8246
Filed: 2000-07-21
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic memory which is satisfactorily adaptive to high density by recording and reproducing multivalue information using a single memory cell. SOLUTION: Second magnetic layers 18 and 20 having higher coercive force Hc than a first magnetic layer 14 are provided. During an information recording, a ternary recording is conducted by the combination of the directions of magnetization of the layers 14, 18 and 20 (A to C). During an information reproducing, a pulse magnetic field which reverses its direction from the left to the right is applied to the magnetic memory by a word line 24 (D). The magnetic resistance condition varies in accordance with the magnetization directions of the layers 14, 18 and 20 (E to G), and thus logical values '0', '1' and '2' are discriminated.
Patent JP-2002043484-A (JP)
Title: Heat sink for electronic component
Inventor: KUMAKURA TETSUYA
IPC: H05K7/20
Filed: 2000-07-24
Abstract: PROBLEM TO BE SOLVED: To provide a heat sink for electronic component capable of remarkably shortening the required time of attachment and improving heat dissipation by facilitating attachment fixing to the heat sink of the electronic component. SOLUTION: On the heat sink for the electronic component, a metal plate is folded in the form of a cross section U shape, set substantially equal to the thickness or the width of the electronic component 4 sandwiching the interval of the opposite face, projections 1, 2 are provided on the opposite face and the bottom part, a distance between the projection 1 of the opposite face and the bottom face is substantially equal to the width or the thickness of the electronic component, and the projections 1, 2 provided on the opposite face and the bottom face are in the form of a column, an elliptical column, a half-column or a curved face.
Patent JP-2002044882-A (JP)
Title: Electrical outlet device and power source control system
Inventor: YAMAZAKI SATORU
IPC: H02J13/00
Filed: 2000-07-27
Abstract: PROBLEM TO BE SOLVED: To provide an electrical outlet device and a power source control system which can check electricity state of a plurality of electrical outlets and control on/off of electricity from remote place traveling, etc. SOLUTION: It is a power source centric control system 30 comprised of a table receptacle 10 containing a plurality of electrical outlets and a home server 31 communicating with a key telephone set 33 through network 32 as well as controlling these outlets, and it also allows to check the power supply state of electric devices connected to the plurality of outlets equipped in the table receptacle 10 of the home, and to switch the power supply state if necessary, by control signal transmitted to the home server 31 from the key telephone set 33.
Patent JP-2002039080-A (JP)
Title: Scroll fluid machine
Inventor: MIZUNO HISAO
IPC: F04C29/12
Filed: 2000-07-27
Abstract: PROBLEM TO BE SOLVED: To provide a scroll fluid machine capable of cutting costs by reducing a weight of a fixed scroll without penetrating a bolt used for fixing a discharge valve at an end plate of the fixed scroll and increasing compressive efficiency by decreasing top clearance volume. SOLUTION: The discharge valve 19 is equipped with a bolt (fixing member) 21 for fixing the discharge valve 19 and the bolt 21 is characterized by being fixed in such a position that corresponds to a convex 22 not only formed in an inside of an end plate 12 of the fixed scroll 8 but settled not so as to penetrate the convex 22.
Patent JP-2002038843-A (JP)
Title: Deodorant door
Inventor: KAMEI HIROSHI
IPC: E06B7/28
Filed: 2000-07-28
Abstract: PROBLEM TO BE SOLVED: To provide a deodorant door which prevents the residents from feeling uncomfortable when they open the door and allows their pets to exit and enter freely. SOLUTION: The deodorant door is composed of a door 4, a housing part 10 properly located on the door 4, a deodorant cartridge 12 in the housing part 10, and a pet door 14 located on the lower part of the door 4.
Patent JP-2002040740-A (JP)
Title: Image forming device
Inventor: AZUMA MASAHIRO
IPC: G03G15/01
Filed: 2000-07-31
Abstract: PROBLEM TO BE SOLVED: To effectively prevent toner scattering at a secondary transfer process, even in the case of using the spherical toner with external additives stuck. SOLUTION: In the image forming device provided with one or plural image carriers 1, a latent image forming means 2 for forming an electrostatic latent image on the image carrier 1, plural developing devices 3 (for example, 3a to 3d) for developing the electrostatic latent image on the image carrier by color toner Tc having a coefficient of shape of <=130 and on which the external additives G are stuck, an intermediate transfer body 4 arranged facing the image carrier 1, a primary transfer means 5 for transferring the toner image T formed on the image carrier 1 to the intermediate transfer body 4, and a secondary transfer means 6 for transferring the toner image on the intermediate transfer body 4 onto the recording medium K, as for the color toner Tc put in use in plural developing devices 3,  the coating ratio of the additives G with reference to the final color toner Tc is set smaller than the coating ratio of the additives G with reference to other color toner Tc.
Patent JP-2002050250-A (JP)
Title: Method for manufacturing foam-coated electric wire
Inventor: KISHIDA MASATOSHI
IPC: H01B13/14
Filed: 2000-08-01
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a foam-coated electric wire in which the strength of the coating foamed synthetic resin itself is not decreased, without using any chemical blowing agent, even though the foam percentage becomes larger than 10%. SOLUTION: Coating is made on a conductor with melted synthetic resin pressurized with carbon dioxide gas or nitrogen gas over the gas critical pressure, and then a foamed synthetic resin layer is formed on the conductor by reducing the pressure to the atmospheric pressure.
Patent JP-2002048485-A (JP)
Title: Heat storage tank and heat storage type cold heat device
Inventor: SHIBA HIROARI
IPC: F28D20/00
Filed: 2000-08-04
Abstract: PROBLEM TO BE SOLVED: To provide a low-cost heat storage tank to eliminate a need for assembly of frame structure by a reinforcing material and beams and be capable of being installed and removed by only one worker. SOLUTION: A space part is formed in a way that a tank flank peripheral surface part 2 forms double wall structure by using a flexible sealant, and the tank flank peripheral surface part 2 forms a self-standing wall by injecting fluid L in the space part 4 in a manner to be capable of discharging the fluid.
Patent JP-2002056556-A (JP)
Title: Optical pickup device and method for detecting tilting quantity
Inventor: YANAGISAWA TAKAMARO
IPC: G11B7/131
Filed: 2000-08-04
Abstract: PROBLEM TO BE SOLVED: To provide an optical pickup device which has the possibility of a wide range of application applicable to various devices and optical systems, also is capable of detecting a tilting quantity with high precision, has high performance and also is suitable for miniaturization. SOLUTION: The device is provided with a light receiving means which receives diffracted light reflected from a recording medium and a detecting means which detects the tilting quantity of the recording medium based on the intensity of light of an interference area between zero-order diffracted light and at least one diffracted light of diffracted light other than zero-order diffracted light of reflected light received by the light receiving means.