baber/WOPTO huggingface dataset:
Patent JP-2003264530-A (JP)
Title: Optical delay device
Inventor: USAMI MASASHI
IPC: H04Q11/00
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To realize an optical delay device with a wide variable range of the amount of delay.  <P>SOLUTION: A delay line 12<SB>i</SB>of a propagation time τ<SB>i</SB>is connected between an output port #i and an input port # (i+1) of a circular array waveguide lattice (AWG) 10 provided with N inputs ports and N output ports. A wavelength converter 16 converts the optical carrier wavelength of input signal light S (λS) from an input terminal 14 from the wavelength λS to a designated wavelength among wavelengths λ<SB>1</SB>to λN<SB>-1</SB>and applies the resultant input signal light S to the input port #i of the AWG 10. The output light of an output port #(N-1) of the AWG 10 is inputted to a wavelength converter 18, and the output light of the wavelength converter 18 is externally outputted from an output terminal 20. The wavelength converter 18 converts the wavelength of signal light outputted from the output port # (N-1) of the AWG 10 into the wavelength λS. A control circuit 22 controls the wavelength of a conversion destination of the wavelength converter 16.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003262747-A (JP)
Title: Optical waveguide device and method of manufacturing optical waveguide device
Inventor: SAITO TATSUHIKO
IPC: G02F1/01
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical waveguide device in which an increase in power consumption can be suppressed as a whole.  <P>SOLUTION: The optical waveguide device 10 is provided with a first substrate layer 60 including a plurality of optical waveguides in which light propagates, a second substrate layer 50 furnished being in contact with the main face of the first substrate layer 60, a plurality of planer heaters 30 and 31 which are furnished on a face opposite to the main face of the first substrate layer 60 and adjust respective optical characteristics of the optical waveguides by heating the respective optical waveguides. Removed parts of the substrate 40 through 43 are formed by penetrating the first substrate layer 60 between respective planer heaters 30 and 31 and further penetrating the second substrate layer 50 which is connected to the penetrated part.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003259895-A (JP)
Title: Method for detecting endocrine disrupter
Inventor: NAWATA ARATA
IPC: G01N33/00
Filed: 2002-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an endocrine disruptor-measuring technique which uses as an indicator the change in the aromatase activity of a biosystem reflecting a state near to a living environment.  <P>SOLUTION: This method for detecting a test substance as an endocrine disruptor with an aromatase activity as an indicator is characterized by comprising a process for culturing a cell strain having the aromatase activity in the presence or absence of the test substance under physiological conditions and measuring the aromatase activity of the cultured cells, and a process for detecting the change in the aromatase activity of the cell strain cultured in the presence of the test substance, while using the aromatase activity of the cell strain cultured in the absence of the test substance as a standard, thereby specifying the test sample giving the change. And a kit for performing the method.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003267132-A (JP)
Title: Rear view mirror device for vehicle
Inventor: OCHIAI YASUO
IPC: B60R1/06
Filed: 2002-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rear view mirror device capable of suppressing generation of the wind noises caused by a fastening member, corrosion of the fastening member, and manufacturable at a lower cost.  <P>SOLUTION: The rear view mirror device is equipped with a mirror housing fitted with a mirror, a mirror base installed between the mirror housing the vehicle body, and a shaft member fastened by the fastening member inserted into the mirror base and holding the mirror housing rotatably. The fastening member is inserted from the inside of the mirror base so as not to be exposed to the outside.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003270536-A (JP)
Title: Three-group optical system
Inventor: KASHIKI YASUTAKA
IPC: G02B13/18
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a three-group zoom optical system which has good perfor mance with a smaller number of components by adequately arranging the compo sition of respective lens groups in spite of a small size, high variable power and wide angle of view.  <P>SOLUTION: The respective lens groups of the three-group zoom optical system move during variable power from a wide-angle end to a telephone end so as to increase the spacing between the first lens group and the second lens group and to reduce the spacing between the second lens group and the third lens group, in which the first lens group is formed by arranging a negative lens on the extreme object side and forming the second lens group, successively from the object side, of three lenses consisting of a negative lens having an aspheric surface on the aspheric surface, a positive lens and a positive lens. Such three-group zoom optical system satisfies the following condition equations 0.62<f1/|f<SB>-</SB>L11|<1.4, 1.1<fw/h<1.6, where f1 is the focal length for the first lens group, f<SB>-</SB>L11 is the focal length of the negative lens arranged on the extreme object side of the first lens group, fw is the focal length of at the wide-angle end and h is the maximum height of the image.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003266837-A (JP)
Title: Recorder
Inventor: FUJIOKA SATOSHI
IPC: B41J13/02
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recorder in which a recording head, and the like, can be protected against contamination even when a recording medium of different size is recorded on the entire surface thereof.  <P>SOLUTION: A part 214 for guiding carriage of a recording medium at a recording section 120 is divided in correspondence with the size of the recording medium in the direction perpendicular to the carrying direction. Since only a partial carriage guide part applied with a recording material can be exchanged immediately for a partial carriage guide part not applied with the recording material even when a recording medium of different size is recorded on the entire surface thereof, the recording head and the roll sheet can be protected against contamination.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003275751-A (JP)
Title: Removing treating method for organic pollutant
Inventor: SHIBATA NOBUKATSU
IPC: B01D11/04
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a removing treating method for an organic pollutant in water by which the organic pollutant can be efficiently and continuously removed from a wide range of aqueous solutions containing the organic pollutant, which is simple and economical and which has little fear of secondary pollution.  <P>SOLUTION: A water-insoluble organic solvent, a surfactant which can form reversed micelle with the organic pollutant and a surfactant for decomposing the reversed micelle are added to the aqueous solution containing a charged organic pollutant to produce the reversed micelle incorporating the organic pollutant, then the reversed micelle is moved in the organic solvent and is separated and removed from the aqueous solution. Then the separated organic solvent is successively brought into contact with a solution for changing charging state of the surfactant for decomposing the reversed micelle and with a solution for returning the surfactant for decomposing the reversed micelle the charging state of which is changed to original charging state. Thereafter respective surfactants are recovered together with the organic solvent and are reused.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003284183-A (JP)
Title: Echo suppression apparatus, echo suppression method, and program
Inventor: SAKAUCHI KIYOTAKA
IPC: H04M1/60
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To sufficiently suppress an echo even when the reverberation time is long.  <P>SOLUTION: The echo suppression apparatus is provided with: a first frequency analysis means 401 for converting a reproduction signal x(k) into a frequency band reproduction signal X(m,f); a second frequency analysis means 402 for converting a superimposing signal y(k) into a frequency band superimposing signal Y(m,f); an initial echo strength calculation means 506 for calculating an initial echo strength PB0(m,f) from the frequency band reproduction signal and an echo path coupling amount C(m,f); a total echo strength calculation means 507 for calculating a present total echo strength PB(m,f) from the initial echo strength, a past total echo strength PB(m-1,f), and an echo time Tr(f); an echo suppression gain calculation means 508 for calculating an echo suppression gain G(m,f) from the frequency band superimposing signal, the present total echo strength, and a past frequency band suppression signal S'(m-1,f); an echo suppression gain superimposing means 509 for multiplying the echo suppression gain with the frequency band superimposing signal to calculate the present frequency band suppression signal S'(m,f); and a frequency composition means 403 for converting the present frequency band suppression signal into a time region suppression signal s'(k).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003275595-A (JP)
Title: Catalyst for steam reforming of oxygen-containing hydrocarbon and steam reforming method using the same
Inventor: NAKAMURA JUNJI
IPC: B01J27/02
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a catalyst capable of producing hydrogen with high selectivity and high efficiency by steam reforming an oxygen-containing hydrocarbon such as methanol or dimethyl ether to suppress the by-production of carbon monoxide and a steam reforming method using the catalyst.  <P>SOLUTION: The catalyst for the steam reforming of the oxygen-containing hydrocarbon is obtained by treating a composite body obtained by supporting at least a palladium and/or platinum compound on an oxide support with a compound constituted of at least one kind of an element of group XV or XVI elements in periodical table. The steam reforming method of the oxygen- containing hydrocarbon uses the catalyst.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003279499-A (JP)
Title: Pattern inspection device
Inventor: MURAKAMI TOMOHIRO
IPC: G06T7/60
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pattern inspection device capable of surely detecting a defect on a pattern to be detected without excessive detection caused by dispersion in pattern manufacturing.  <P>SOLUTION: In a region-less labeling block 13, a labeling process relative to a binarized image of the inspecting pattern is executed by using a processing region having a predetermined shape as a labeling object range. In a region-by- region labeling block 20, a labeling process relative to the binarized image is executed for every one of respective segmented regions formed by segmenting the processing region into a plurality of regions. In a labeling tabulation memory block 26, data for pattern inspection in the inspecting pattern is generated based on the result of the labeling process from both the labeling blocks 13 and 20. In a control block 31, the presence or absence of a defect of the inspecting pattern is detected based on the comparison result of the data for pattern inspection with preset pattern reference data.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282893-A (JP)
Title: Double-tunnel junction element
Inventor: MAJIMA YUTAKA
IPC: H01L29/88
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a double-tunnel junction element exhibiting a negative differential resistance, in a double-tunnel junction having a flexible structure.  <P>SOLUTION: The double-tunnel junction element having a flexible structure, is provided with a first electrode 1 made of a conductive metal, a conductive semiconductor, or a conductive organic material, a second electrode 2 made of a conductive metal, a conductive semiconductor, or a conductive organic material, each intermediate electrode 3 for functioning as a Coulomb island which is made of metal molecules, semiconductor molecules, or organic molecules, a first barrier layer 4 having a flexible structure, each second barrier layer 5 having a flexible structure which is so existent between the second electrode 2 and each intermediate electrode 3 as to become a barrier for electrons and holes, and a double-tunnel junction comprising the first electrode 1, the first barrier layer 4, the intermediate electrodes 3, the second barrier layers 5, and the second electrode 2 which are arranged in this order. By this structure, in the state of applying a voltage across the first and second electrodes 1, 2, the perturbation of the Coulomb force caused by the going-in and going-out of electrons or holes so resonates with the mechanical natural frequency of each intermediate electrode 3 that the tunnel current flowing through the double-tunnel junction exhibits a negative differential resistance.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003287290-A (JP)
Title: Heat collector utilizing solar heat, and hot water supply device using the same
Inventor: YAMASHITA MITSUO
IPC: F24S90/00
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat collector utilizing solar heat and a hot water supply device using the same, capable of efficiently collecting the heat with a simple constitution, and being installed on roofs of various shapes such as a hip roof to effectively utilizing an installation space.  <P>SOLUTION: This heat collector comprises a plane angle-shaped heat collecting plate having a hollow part in which the liquid operating medium is sealed, and at least one heat medium pipe inserted into the hollow part of the heat collecting plate, and the hollow part of the heat collecting plate has a detention structure where a small amount of heat medium remains.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003008445-A (JP)
Title: Context model access to memory based on run and skip counts
Inventor: SCHWARTZ EDWARD L
IPC: H03M7/30
Filed: 2002-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for coding and decoding information. SOLUTION: In one embodiment, the apparatus comprises a memory and decoding hardware. The memory stores run counts and/or skip counts and the decoding hardware decodes a run count and/or a skip count obtained from the memory during decoding.
Patent JP-2003295650-A (JP)
Title: Fixing device
Inventor: FURUKAWA KIMIAKI
IPC: G03G21/00
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To securely make a user aware of failure to peel paper from a fixing belt, when the paper cannot be peeled from the fixing belt.  <P>SOLUTION: A fixing device has: a fixing roller 1; a heat roller 3 disposed apart from and opposite to the fixing roller 1; the fixing belt 6 which is stretched between the heat roller 3 and the fixing roller 1 and rotates to transmit the heat of the heat roller 3 to the fixing roller 1; a pressure roller 2 which is firmly pressed to the fixing roller 1 via the fixing belt 6 and applies pressure to a toner image on the paper P while the fixing roller 1 applies heat to the toner image, thereby fixing the toner image; a peeling member 9 which peels the paper P closely attached to the fixing belt 6 during fixing from the fixing belt 6; and a guide body 17 for guiding and winding along the fixing belt 6 the paper P which is transported while closely attached to the fixing belt 6 without being peeled by the peeling member 9 and is peeled in a small-curvature area of the fixing belt 6 wound round the heat roller 3.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003297692-A (JP)
Title: Solid electrolytic capacitor
Inventor: UCHI HIDENORI
IPC: H01G9/02
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a solid electrolytic capacitor having low ESR characteristics.  <P>SOLUTION: Since an electrode foil where aggregate of micro particles of aluminum or aluminum oxide becoming self-similar in the length range of 2 μm-0.2 μm is adhering to one side or both sides of a smooth aluminum foil is wound together with a separator and solid electrolyte of conductive polymer is held by the separator in a solid electrolytic capacitor employing conductive polymer, resistive component of the electrode foil decreases and resistive component of the electrolyte between the electrode foils also decreases. Furthermore, contact resistance at the joint of the electrode foil and the electrode lead-out terminal also decreases and thereby a solid electrolytic capacitor having low ESR characteristics can be obtained.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003298816-A (JP)
Title: Image system
Inventor: YAMAGUCHI AKIRA
IPC: G03B42/02
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image system for displaying an image read by an image reader on an image display device without deteriorating the read image.  <P>SOLUTION: This image system changes the number of pixels for reading an image in the image reader on the basis of the number of pixels for displaying the image in the image display device when the number of pixels for reading the image in the image reader is different from the number of pixels for displaying the image in the image display device. In addition, it is desirable to adjust an output of an image reading system in order to correspond to a change in a pixel size in accordance with the change in the number of the pixels.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003293340-A (JP)
Title: Snow plow
Inventor: TAKAHASHI RYUZO
IPC: E01H5/06
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a snow plow which positively carries out snow removal by means of its blade with the help of traveling of an automobile, and ensures prevention of breakage of the blade.  <P>SOLUTION: The snow plow 1 is mounted on a chassis of the ordinary automobile C to carry out snow removal, and includes the snow plow blade member 10 which is almost the same in width as the automobile C and inclined downward toward the front. The snow plow blower 1 is comprised of a road surface interference absorbing structure and a foreign matter interference absorbing structure. The road surface interference absorbing structure absorbs an interference occurring when the blade member 10 interferes with a road surface to be snow-removed, due to vertical motion of the automobile C during traveling. The foreign matter interference absorbing structure absorbs an interference occurring when the blade member 10 interferes with a foreign matter present on the road surface to be snow-removed, due to traveling of the automobile C.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003093425-A (JP)
Title: Paraffin bathing device
Inventor: HEO JONGU KI
IPC: A61F7/00
Filed: 2002-04-05
Abstract: PROBLEM TO BE SOLVED: To provide a paraffin bathing device with excellent contact with a heat generating part and a stabler temperature controlling function, capable of performing the paraffin thermotherapy by sensing the temperature from the paraffin in a bathtub and maintaining the appropriate temperature in the range, for example, between 48 deg.C and 55 deg.C with a simple-structured temperature compensation circuit. SOLUTION: The paraffin bathing device has thermistors 8 and 8', and multi- arrayed acupressure rods 9 set on the bottom of the bathtub 2 in which a fixed quantity of paraffin is reserved. Heating elements 5 are set in zigzag symmetrical array on the left and right outer sides of the bathtub from below along the form, and heating elements 4 are set in zigzag symmetrical array through projections 11 arranged on the outside bottom of the bathtub. A lid 3 can be opened/closed while the heating elements 4 and 5, whose sides and bottoms are covered with hemispherical heat insulating bodies 6 and 7, are connected to the bathtub body 1.
Patent JP-2003300234-A (JP)
Title: Method for molding resin lens and its mold
Inventor: FUJITA MASARU
IPC: B29C45/28
Filed: 2002-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mold for a resin lens wherein a yield of a molded resin material is increased, and a plurality of resin lenses having uniform characteristics and no internal distortion are obtained.  <P>SOLUTION: An upstream cavity 16 is connected to a sprue 20 through a gate 19 of a runner 18 out of a plurality of cavities 16 and 17 connected to each other in series with a joining runner 15. A movable insert which expands and narrows a resin passage of a molten resin into the cavity is provided in the runner 18 connecting the upstream cavity 16 to the sprue 20.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002370322-A (JP)
Title: Film for heat contact-bonding printed laminate and printed laminate
Inventor: OKURA MASATOSHI
IPC: B32B27/28
Filed: 2002-04-09
Abstract: PROBLEM TO BE SOLVED: To provide a film for a printed laminate which has such an advantage that a polypropylene resin layer and an adhesive resin layer are laminated together without using an anchor coating agent and do not become released regardless of the kind of printed paper, after printed lamination, and keeps its gloss and a printed laminate. SOLUTION: This film for a heat contact-bonding printed laminate is constituted of layers (A), (B) and (C) laminated in that order and comprises a polypropylene resin film base material layer (A), a resin layer (B) composed of a mixture containing an ethylene/propylene copolymer or an ethylene/ propylene/butane tercopolymer or at least one kind of these copolymers and an ethylene adhesive resin layer (C) composed of a mixture containing an ethylene/acrylate copolymer or an ethylene/methacrylate copolymer or an ethylene/acrylic acid copolymer or at least one kind of these copolymers.
Patent JP-2003300430-A (JP)
Title: Vehicle seat back
Inventor: MORISHITA OSAMU
IPC: B60N2/22
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive vehicle seat back with a good appearance in which not only a holding property of a waist of a seated person can be ensured but also a comfortable seating position can be ensured by certainly supporting a shoulder part regardless of a physique of the seated person.  <P>SOLUTION: In the vehicle seat back, both sides of a seat back body 1 is made to a side support part 5 continued to a central main cushion part 4 and obliquely and forwardly directed. The above side support part 5 comprises a waist support part 7 positioned at both lower sides of the central main cushion part 4 of the seat back body 1; and an upper shoulder support part 6 positioned at both upper sides of the above main cushion part 4 and capable of adjusting an angle thereof with this main cushion part 4.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003300090-A (JP)
Title: Membrane air diffuser utilizing air diffusing plate holder
Inventor: KAWASE YUJI
IPC: B01F3/04
Filed: 2002-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a membrane air diffuser which enables the replacement to a membrane simply at a low cost by utilizing the existing air diffusing plate holder.  <P>SOLUTION: The membrane 8 is supported by a frame, a bottom plate and a rigid body, etc., is mounted on the dish-shaped bottom part 4 of the air diffusing plate holder 1 from which the existing air diffusing plate is removed or on a holder frame 5 and is fixed by metal fittings 3. Thereby, the replacement to the membrane is easily performed. Also on the stoppage of air diffusion, the lower surface of the membrane 8 is supported by the dish-shaped bottom part 4, the bottom plate and the rigid body, etc., and, therefore, the deformation and damage is prevented.  <P>COPYRIGHT: (C)2004,JPO