baber/WOPTO huggingface dataset:
Patent JP-2004045641-A (JP)
Title: Encryption processing device and method therefor
Inventor: TSURUGA AKIRA
IPC: G09C1/00
Filed: 2002-07-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an encryption processing device and a method therefor which reduce the processing load on software by shortening the processing time for enciphering or deciphering data streams of character data or the like in an OFB mode or a CFB mode of a DES encryption system.  <P>SOLUTION: In an initial cycle, initial data in an IV register 22 is taken into an IV data holding part 31, and arithmetic operation in a block cipher arithmetic part 11 is executed, and L2 upper bits of an arithmetic result are added to held data in an encryption data holding part 32 and the IV data holding part 31. In following processing, held data in the IV data holding part 31 and the encryption data holding part 32 are successively updated by the arithmetic result of the block cipher arithmetic part 11 in the same manner. This processing is repeated the number of times which is equal to the number of unit data of L2 bits included in input data S, and finally enciphered or deciphered data is obtained in a second data extraction part 52 by exclusive OR between extracted data and input data S.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004047314-A (JP)
Title: Snow melting apparatus having flat heating element
Inventor: NOZAWA SUMI
IPC: E01C11/26
Filed: 2002-07-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a snow melting apparatus capable of achieving snow-melting and antifreezing effects of the same level as that when using a single flat heating element, while reducing power consumption.  <P>SOLUTION: First and second flat heating parts 1a, 1b are provided for alternately switching between a high-temperature heating state and a low-temperature heating state at short intervals. The high-temperature heating state of each of the plane heat generating parts 1a, 1b is thereby retained as long as possible. This reduces power consumption as compared with the case of supplying power evenly to the entire flat heating element 1, without lowering the snow-melting effect and the road-surface antifreezing effect.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004051240-A (JP)
Title: Image forming apparatus
Inventor: NAKANO TAKASHI
IPC: B65H31/00
Filed: 2002-07-16
Abstract: <P>PROBLEM TO BE SOLVED: To easily perform the replacement operation of electrical equipment by detachably forming a delivery tray in such a shape that can increase the storability of recording paper and storing the electrical equipment with a large replacement frequency in a space part formed at the lower part of the delivery tray.  <P>SOLUTION: The delivery tray 40 storing the recording paper sheets prepared in an image forming apparatus is detachably installed on the upper plate 44 of an apparatus body so that an auxiliary tray 42 can be withdrawn. The recording paper loading surface of a tray body member 41 is formed in a curved shape so that the portion thereof corresponding to a delivery roller device 39 becomes lower and the downstream side thereof in the delivery direction of the recording paper sheets becomes higher. The electrical equipment such as a control substrate 46 is stored in the space part 45 provided at the lower part thereof. In addition, a conduction layer 43 is formed, as a thin-film, on the tray body member 41 to provide an electromagnetic wave shielding performance.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004049978-A (JP)
Title: Titanium sponge crushing jaw crusher
Inventor: YASUDA MUNEHIRO
IPC: B02C1/02
Filed: 2002-07-17
Abstract: <P>PROBLEM TO BE SOLVED: To improve an operation rate and to reduce running costs by controlling an operation time loss and a repairing cost by the maintenance of a titanium sponge crushing jaw crusher.  <P>SOLUTION: The titanium sponge is crushed between a moving blade and a fixed blade 1 by the swinging of the moving blade diagonally arranged to face the the fixed blade 1. Carburization steel is used for at least the inner wheel and outer wheel of a bearing 4 installed between an eccentric rotary shaft 3 for swinging the moving blade 2 and the moving blade 2. The breakage of the bearing 4 by the repeated application of a high load caused by the characteristic physical properties of the titanium sponge is controlled, so that its replacement frequency is decreased largely.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004053326-A (JP)
Title: Inspecting method for semiconductor device
Inventor: NEMOTO TOMOHIRO
IPC: G01R31/26
Filed: 2002-07-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inspecting method of a semiconductor device for simply, non-destructively and sensitively detecting a minute crack occurring in a semiconductor device or the like.  <P>SOLUTION: A determination current value for determining nonconforming articles is determined in advance, gate bias being sufficiently higher than the threshold voltage of the semiconductor device such as an FET sealed by resin is applied to a negative direction for measuring a leak current flowing in the semiconductor device, and it is judged that the semiconductor device is nonconforming when the leak current value is equal to or more than a judgment current value. Additionally, the leak current is measured after the temperature cycle test of the semiconductor device. Further, the leak current is measured with thirty semiconductor devices as one unit, and the judgment current value is set to two times larger than the average value of the leak current of the semiconductor device for composing one unit.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004051516-A (JP)
Title: Sheet-like pack
Inventor: ONO MITSUMASA
IPC: A61K8/00
Filed: 2002-07-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sheet-like pack which can well be adhered to a projected site such as a heel over a long period and gives a good sense of use.  <P>SOLUTION: This sheet-like pack comprises an adhesive sheet 1 having a gel layer 1a and a medicinal efficacy-having sheet 2 having an action layer 2a containing a medicinal substance. The sheet-like pack is formed by adhering the medicinal efficacy-having sheet 2 to the center of the surface of the adhesive sheet 1 in a state that the gel layer 1a of the adhesive sheet 1 is overflowed on the periphery of the medicinal efficacy-having sheet 2. The sheet-like pack is used by applying the surface of the medicinal efficacy-having sheet 2 to a specific site of the skin and then adhering the outside portion of the adhesive sheet 1 to the periphery of the specific site of the skin.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004050330-A (JP)
Title: Mounting structure of cutting blade for rotating saw and its cutting blade
Inventor: MATSUURA KAZUMASA
IPC: B28D1/04
Filed: 2002-07-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mounting structure of a cutting blade for a rotating saw and its cutting blade allowing exchange of only cutting blade and recovery of sharpness of the saw at a low cost, having sufficient strength.  <P>SOLUTION: In the rotating saw (1) comprising a ring-like saw body (6) with a plurality of teeth (7) formed on an outer periphery along a circumferential direction; and an endless chain (21) disposed with an outer periphery side engaged with those teeth (7) and rotating/driving the saw body (6), the plurality of cutting blades (14) are detachably mounted on the teeth (7).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004050947-A (JP)
Title: Locking part structure of seat slide device and its assembly method
Inventor: MATSUMOTO TADASHI
IPC: B60N2/07
Filed: 2002-07-19
Abstract: <P>PROBLEM TO BE SOLVED: To improve the assembly property by unitizing a locking part of a seat slide device, realizing retro-fitting to an upper rail, temporarily fitting a coil spring therefor, permanent fitting it after the assembly, and adjusting the rotational urging force.  <P>SOLUTION: A lock piece 5 is rotatably and pivotably supported by a shaft 7 of a bracket 6 formed of an L-shaped member of symmetrical configuration. A spring hooking temporary projecting part 13 to lock one end part 14a of the coil spring 14 coiled around the shaft 7 is provided on the lock piece 5. The other end part 14b of the coil spring 14 is locked to a base part of an unlocking lever part 12 of the lock piece 5. A spring hooking projecting part 11 to twist and lock one end part 14a of the coil spring 14 during the final adjustment after assembling the locking part 18 to an upper rail 2 is formed on the bracket 6 in a vicinity of the spring hooking temporary projecting part 13.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003106337-A (JP)
Title: Ball bearing
Inventor: ABE MASAMICHI
IPC: F16C33/58
Filed: 2002-07-19
Abstract: PROBLEM TO BE SOLVED: To provide a ball bearing capable of preventing the natural oscillation frequency and the mean value from largely dispersing and further efficiently preventing resonance when it is assembled in a device. SOLUTION: The radius of curvature R1, R2 of the track in the dimensional ranges A1, A2 at least 45% of the track widths B1, B2 from the axial centers 11a, 21a in respective sides putting the axial centers 11a, 21a of respective tracks 11, 21 of the outer and inter rings 11, 21 inward, are designed within the range of ±1 μm against the average radius of cuverture of a track in the dimentional ranges A1, A2.
Patent JP-2004054013-A (JP)
Title: Zoom lens
Inventor: TAKEUCHI HODAKA
IPC: G02B13/18
Filed: 2002-07-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a zoom lens which can be made small-sized and thin.  <P>SOLUTION: The zoom lens is provided, successively from an object side toward an image plane side, with a first lens group I having negative refracting power as a whole, a second lens group II having negative refracting power as a whole, and a third lens group III having positive refracting power as a whole, and is constituted to perform variable magnification from a wide angle end to a telephoto end by moving the third lens group from the image plane side toward the object side and to correct the variation in the image plane accompanying the variable magnification by moving the second lens group. The first lens group consists of a lens 1 having the negative refracting power and a prism 2 for changing an optical path, arrayed successively from the object side. As a result, the reduction in the thickness and size is achieved and the zoom lens can be suitably used for a portable telephone and personal digital assistants or the like.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004055424-A (JP)
Title: Lighting system
Inventor: TAKAHASHI HISAAKI
IPC: H05B37/02
Filed: 2002-07-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lighting system capable of safely initializing a lighting cumulative time timer even after exchanging a lamp, and preventing improper operation in initializing the lighting cumulative time timer.  <P>SOLUTION: A cumulative lighting time counter is reset by changing the lamp voltage of a lamp voltage detecting portion, or by receiving a reset signal from a remote control transmitter by a receiver, or by a transmission signal from a center control device.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004056684-A (JP)
Title: Optical transmission system
Inventor: TAKARA HIDEHIKO
IPC: H04B10/07
Filed: 2002-07-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical transmission system which realizes transmission without degradation of transmission characteristics due to the temperature fluctuation of distributed slopes.  <P>SOLUTION: The optical transmission system has a transmission system 11 which generates an optical signal, optical fibers 12-1 to 12-n for transmission, and a reception system 15 which receives the optical signal. Let a tolerable secondary wavelength dispersion fluctuation value by which a bit error rate becomes below a prescribed value be ±ΔD<SB>0</SB>17, temperature change which the optical fibers for transmission receives be ΔT, the entire length of the optical fibers for transmission be L, the wavelength band of the optical signal be Δλ and a dispersion slope temperature coefficient being a value of the dispersion slopes which changes per 1°C of the optical fibers for transmission be α<SB>T</SB>. Then α<SB>T</SB>, L, Δλ are set so that these parameters satisfy an expression of "summary 1" concerning ΔT.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004061802-A (JP)
Title: Case for string instrument
Inventor: MIZUGUCHI KIYOSHI
IPC: A45C11/24
Filed: 2002-07-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a case for string instrument which can be used in common for string instruments having different shapes, sizes and lengths etc. and can reduce kinds of the case itself, production cost and expenses of physical distribution etc.  <P>SOLUTION: The case 2 for string instrument is formed with a case body 12 and a cover 13. An interior member 20 comprising a foamed resin is disposed on the inner part of the case body 12 and an electric guitar 1 of a solid type is housed in a housing hollow part 21 formed on the interior member 20. A partition member 23 for body which fixes the body 3 of the electric guitar 1 and a partition member 24 for neck which fixes the neck 4 are disposed on the housing hollow part 21. The partition member 23 for body is arranged so as to enable adjustment of the movement in the longitudinal direction of the case body 12 in accordance with size of the body 3. The partition member 24 for neck has a plurality of net receiving parts 36 on the upper surface thereof and is arranged so as to enable adjustment of the movement in the longitudinal direction of the case body 12.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003142122-A (JP)
Title: High polymer solid electrolyte-electrode united body for high polymer electrolyte type fuel cell
Inventor: KATO HIROSHI
IPC: C08J9/42
Filed: 2002-07-29
Abstract: PROBLEM TO BE SOLVED: To enhance energy efficiency and current density of an electrochemical device by thinning the thickness of a high polymer solid electrolyte film while keeping its contact resistance against an electrode low without damaging physical properties of the electrode. SOLUTION: A high polymer solid electrolyte comprising stretched porous polytetrafluoroethylene and a high polymer electrolyte resin contained in its porous void part is integrally formed on the surface of the electrode by using a solvent or a solution of a high polymer solid electrolyte to obtain this high polymer solid electrolyte-electrode united body. This high polymer solid electrolyte-electrode united body is for a high polymer solid electrolyte fuel cell in particular. The electrodes may be formed on both surfaces of the high polymer solid electrolyte.
Patent JP-2004058877-A (JP)
Title: Rear sub-frame skeleton structure for vehicle
Inventor: KATO TAKEO
IPC: B60G7/00
Filed: 2002-07-30
Abstract: <P>PROBLEM TO BE SOLVED: To minimize deformation of a rear sub-frame against the input load from a suspension arm.  <P>SOLUTION: A cross member 20 of the rear sub-frame 18 on a rear suspension 10 is arranged on an input point P1 of a lower arm, and both end parts 20A, 20B of the cross member 20 are respectively fixed onto the rear side member 40 of a body. Additionally, side rails 22, 24 of the rear sub-frame 18 are arranged on the opposite side in the vehicle longitudinal direction of the cross member 20 against an input point 2 of a tie rod, and front end parts 22B, 24B of the side rails 22, 24 extensively provided toward the front of the diagonally outside in the car width direction from the rear end parts 22A, 24A are respectively fixed onto the rear cross member 42 of the body.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004061359-A (JP)
Title: Method and system for evaluating surface roughness of component for image forming device, and method and system for cutting
Inventor: YAMAZAKI JUNICHI
IPC: G03G21/00
Filed: 2002-07-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface roughness evaluating method for sensitively and accurately comprehending a local change or variation of a surface to be measured, in surface roughness measurement of a component for an image forming device such as a base substance for an electrophotography photoreceptor.  <P>SOLUTION: According to this surface roughness evaluating method of a component for an image forming device, a cross- section curve defined by JIS B0601 is found on the surface condition of the component to perform multiple resolution analysis on positional data rows in a surface roughness direction at equally spaced positions on the cross-section curve, and the state of the surface roughness is evaluated at least based on the result.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004058594-A (JP)
Title: Thermoplastic resin film
Inventor: SAWADA TOMOE
IPC: B29L7/00
Filed: 2002-07-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermoplastic resin film suitable for glass protecting application, especially for protecting a glass for displaying such as a flat display.  <P>SOLUTION: The thermoplastic resin film is prepared by laminating at least five layers in the thickness direction and has the absolute difference between the Young's modulus EMD in the longitudinal direction of the film and the Young's modulus ETD in the width direction of the film (¾EMD-ETD¾) of at least 1.0 GPa. In addition, the total light transmittance is ≥80%, and the haze is ≤3%, and tearing strengths in the longitudinal direction of the film and/or in the width direction of the film are ≥50 N/mm.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004070400-A (JP)
Title: Management system
Inventor: KOJIMA NOBUYUKI
IPC: G06F21/44
Filed: 2002-08-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a management system making it possible to automatically authenticate a client with a client server application or the like within a network without help from a user.  <P>SOLUTION: A client, when connected to a network, is given an ID that can be uniquely identified by a server managing the network, so that when participating in the network the next time, the client is guaranteed as being the unique one on the network by use of the ID. The ID contains a code representing the network itself and a code representing an individual. The management server that manages the client uniquely can be specified by means of the code representing the network and the client's information is managed by the management server.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004069927-A (JP)
Title: Polarization eliminating plate, spectroscope, and polychromator
Inventor: YAMAMOTO TOMOKAZU
IPC: G01J3/18
Filed: 2002-08-05
Abstract: <P>PROBLEM TO BE SOLVED: To measure a spectrum with a real center wavelength by eliminating the polarization dependency of a spectral element for incident light in an arbitrary polarizing state.  <P>SOLUTION: The polarization eliminating plate is provided witn a 2nd birefringent plate 1B which continuously varies in thickness along an optical axis 12, and a 3rd birefringent plate 1C which continuously varies in thickness at 45° to the optical axis 13. The both are stuck together so that the thickness decreasing direction of the 2nd birefringent plate 1B and the thickness decreasing direction of the 3rd birefringent plate 1C are opposite to each other.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004068928-A (JP)
Title: Coated cover for piping
Inventor: KANAMARU NAOKI
IPC: F16L59/147
Filed: 2002-08-07
Abstract: <P>PROBLEM TO BE SOLVED: To solve problems that winding of a tape takes a lot of time and labor because a canvas tape adding carbon black on an outer surface of a coated cover for piping is wound around a pipe as countermeasures for deterioration of a piping section exposed in the open air in the past and gloomy atmosphere is brought by black color for piping because the outer surface of the tape becomes black caused by the color of carbon.  <P>SOLUTION: The coated cover for piping is provided with a polyethylene foaming material 1 which is coated on its surface by an ethylene vinylidene acetate resin film 2 and is formed in a pipe-shape, and covers the surface of a pipe A for water supply and drainage covered by the coated cover.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003200534-A (JP)
Title: Fluororesin laminate and method for manufacture thereof
Inventor: RI TEISHO
IPC: B29L7/00
Filed: 2002-08-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat-melting fluororesin laminate which shows outstanding heat resistance, low moisture absorption characteristics, high dielectric properties, high strength, low linear expansion coefficient and low shrinkage factor and is free from the anisotropy of these physical properties and further, is best-suited as a material for a circuit substrate.  <P>SOLUTION: This laminate includes at least two fluororesin sheet layers containing a liquid crystal polymer orientated, in a fibrous fashion, in a heat- melting fluororesin, at least two layers of the fluororesin sheet layers showing a mutually different orientation direction of the liquid crystal polymer. In addition, the laminate is composed of an anisotropic heat-resistant resin sheet and a fluororesin sheet, or the laminate is composed of the heat-melting fluororesin sheet laminated on a woven fabric, a nonwoven fabric or a knitted cloth of the heat-melting fluororesin fiber including the liquid crystal polymer fibrously orientated.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004074906-A (JP)
Title: Vibration suppressing device and method of multistage rocket
Inventor: KATO SUKEHIRO
IPC: B64G1/26
Filed: 2002-08-15
Abstract: <P>PROBLEM TO BE SOLVED: To suppress bending vibration without increasing a weight load to a multistage rocket.  <P>SOLUTION: This device has a vibration detecting means 3 for detecting the bending vibration of the multistage rocket in a flight and a vibration control means S for controlling the vibration by swinging the direction of an engine 2a of an upper stage rocket A2 positioned at an upper stage of an operating lower stage rocket A1 so as to suppress the bending vibration on the basis of the detecting result of the vibration detecting means 3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004075282-A (JP)
Title: Sheet storage device and image formation device
Inventor: KOJIMA SHINICHI
IPC: B65H3/44
Filed: 2002-08-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sheet storage device capable of effectively utilizing a space in the device.  <P>SOLUTION: A roll sheet storage part 12 storing roll sheets P, Q is provided in an upper part of the sheet storage device 11. The roll sheet storage part 12 is provided with a feed part winding out the roll sheets P, Q, a conveyance part conveying the wound sheets, a drawer 15 for loading the roll sheets P, Q so as to wind them out freely, and a pair of slide mechanisms 17 below both sides of the drawer 15. A storage space 20 is provided between the pair of slide mechanisms 17, and a cut sheet storage part 21 having a sheet tray 22 for loading a cut sheet is provided in the storage space 20.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004075863-A (JP)
Title: Detergent
Inventor: OOKA TOSHIHISA
IPC: C11D7/60
Filed: 2002-08-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a detergent which has a good cleaning effect and does not adversely affect the natural environment and health.  <P>SOLUTION: The detergent is obtained by adding ashes remaining after producing a hard charcoal to water to give an aqueous coal ash, adding a coal mineral extract obtained by heating the hard charcoal in water to the aqueous coal ash, and preferably adding pyroligneous liquor thereto.  <P>COPYRIGHT: (C)2004,JPO