baber/WOPTO huggingface dataset:
Patent JP-2001272562-A (JP)
Title: Method for manufacturing quartz-base optical waveguide
Inventor: HIRAI SHIGERU
IPC: G02B6/13
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a quartz-base optical waveguide capable of manufacturing the quartz-base optical waveguide having a good upper clad film which prevents the remaining of air bubbles in the slight spacings between adjacent core waveguides of the optical waveguide in which the plural core waveguides are adjacent to each other with high productivity. SOLUTION: The method for manufacturing the quartz-base glass waveguide which forms a porous glass layer consisting of quartz glass containing a dopant on a quartz substrate formed with the core waveguides on the surface, then forms the upper clad layer vitrified to transparent glass by sintering the porous glass layer consists in forming the porous glass layer in such a manner that its bulk density attains a range of 0.05 to 0.15 g/cm3 and sintering the porous glass layer under conditions of 1,250 to 1,350 deg.C in sintering temperature and 30 to 120 minutes sintering time.
Patent JP-2001097173-A (JP)
Title: Ignition means for gas generator for air bag
Inventor: NAKAJIMA SADAHIRO
IPC: B60R21/264
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide an ignition means for a gas generator suppressed in the whole dimension of a vessel, having a simple structure, facilitating the manufacture, and safely restraining a passenger, by arbitrarily adjusting the timing of operation output and output increase of the gas generator. SOLUTION: This ignition means used for the gas generator for an air bag is characterized that the ignition means is so constituted as to include two or more igniters actuated by impact.
Patent JP-2001274383-A (JP)
Title: Semiconductor device and manufacturing method
Inventor: OZAKI SHINGO
IPC: H01L29/78
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device without a small concentration of electric field at a corner portion 6 of an activation region 2. SOLUTION: The semiconductor device includes a semiconductor substrate 1, an activation region 2 located on the semiconductor substrate 1 and having a side face 3 and an upper face 4 made up of a central part 5 vertically substantially to the side face 3 and a corner portion 6 having a downward slanted inclination and crossed with the side face 3, a channel region 8 located above the activation region 2 and having a part of the corner portion 6, a first main electrode region 9 and a second main electrode region 10 each located on the active region 2 and adjoining to the corner portion of the channel region 8, a gate oxide film 11 located on the upper face 4 of the activation region 2 and having such a film thickness that the thickness at the corner portion 6 is not less than that of the central part 5, and a control electrode 12 on the channel region 8.
Patent JP-2001275952-A (JP)
Title: Medical image changeover device and medical image display system equipped therewith
Inventor: KOBAYASHI HIROYUKI
IPC: G02B23/24
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To efficiently put a plurality of medical images to practical use. SOLUTION: First, second and third imaging devices 12, 14, 16 output signals OP1, OP2 and OP3 containing image signals to a changeover device 100. The changeover distribution circuit 110 of the changeover device outputs an image signal CV1 for a main image and an image signal CV2 for a sub-image on the basis of the output signals OP1, OP2 and OP3 or the operation of a changeover switch 112. An image mixing circuit 140 forms a synthetic image signals on the basis of the image signals CV1 and CV2 to output the same to a printer 22, a monitor 24 and a personal computer 26.
Patent JP-2001270413-A (JP)
Title: Head protection air bag system
Inventor: YAMAMOTO TAKASHI
IPC: B60R21/20
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a head protection air bag system on which an air bag widely covers the inside of the cabin of a rear pillar garnish. SOLUTION: An air bag 30 is provided with a gas inlet 32 connected to an inflator, an air bag body 33, and a mounting part 31 by which the air bag body can be mounted to a circumferential part of an opening. The air bag body is provided with an expanding part 34 which communicates with the gas inlet 32 and expands if the expanding gas is flowing into. The expanding part is provided with a general part 35 communicating with the gas inlet and a cover 38 which covers inside the cabin of a rear pillar garnish when expanding. The cover communicates with a rear end of the general part 35 in such a condition that the mounting part is not arranged on the circumferential part while being arranged to protrude from the rear end of the general part 35 in a rear direction.  The air bag is mounted on the upper edge of the circumferential part of the opening by folding the cover 38 toward the general part 35 and then toward an upper edge 30a of the air bag.
Patent JP-2001272194-A (JP)
Title: Plate type heat exchanger
Inventor: YAGAWA MASAFUMI
IPC: F28F3/10
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To prevent solid matter or fibrous matter from being caught to cause clogging without increasing the plate thickness. SOLUTION: A required number of cassette plates, obtained by jointing the seal part of two plates permanently through welding or brazing, are laid in layer through gaskets and permanent joint side plate channel parts sealed through permanent joint of the plates and gasket side plate channels sealed by gasket are formed alternately. In such a plate type heat exchanger, plate contact supporting points of the gasket side plate channels is set smaller than that of the permanent joint side plate channel parts which are jointed permanently by welding or brazing.
Patent JP-2001284137-A (JP)
Title: Thin electromagnetic induction apparatus
Inventor: MIYAZAKI SHINOBU
IPC: H01F41/02
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a thin electromagnetic induction apparatus, which is can be decreased in thickness without increasing it in lateral size and lessened in cost by decreasing it in assembly man-hours and number of parts. SOLUTION: A winding is formed on a flat bobbin 1, whose axial dimension D1 is shorter than its radial dimension D2, legs 22 of a pair of T-shaped core pieces 20 and 20 are inserted into center holes 29 and 30 of the bobbin 1, and arms 21 and 21 of the core pieces 20 and 20 are extended in parallel in the radial direction of the winding, and confronting each other. The bobbin 1 is equipped with bobbin pieces 2 and 3 which are split in the axial direction, and the core pieces 20 and 20 are mounted on the corresponding bobbin pieces 2 and 3 by insert molding.
Patent JP-2001279139-A (JP)
Title: Black ink for electrostatic ink jet recording device and method for manufacturing the same
Inventor: OSHIMA KENJI
IPC: C09D11/324
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To obtain a black ink for an electrostatic ink jet recording device which contains a pigment having a highly positive zeta potential and enables to print a highly condensed dot rapidly and steadily; and a method for manufacturing the ink. SOLUTION: The black ink is introduced into a recording head wherein plural recording electrodes 2 are placed, and is acted by static electricity generated by loading a voltage between the recording electrodes 2 and the opposed electrode 6 positioned oppositely to the electrodes 2 so that the ink may fly out of the recording head to record, wherein the ink has a volume resistivity at 25 deg.C of 107-1011 Ω.m, and contains at least a highly electrically insulating disperse medium comprising a hydrocarbon solvent as a main component, a carbon black pigment, a phthalocyanine blue pigment and a synthetic resin.
Patent JP-2001278762-A (JP)
Title: Cariostatic agent
Inventor: TAMESADA MAKOTO
IPC: A61P1/02
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To obtain a cariostatic agent comprising a substance safe for human bodies and available at a low cost as an active ingredient and a cariostatic agent comprising a substance capable of being not only safely formulated in a composition for the oral cavity such as a mouthwash but also formulated as a food additive even in a food and drink as an active ingredient. SOLUTION: This cariostatic agent comprises a fruit juice or flesh of a fruit of a grapefruit, an apricot fruit or a passionfruit as the active ingredient. The composition for the oral cavity comprises the above cariostatic agent.
Patent JP-2001281330-A (JP)
Title: Spread spectrum communication distance measurement device
Inventor: MIMURA YUICHI
IPC: G01S13/26
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a spread spectrum communicative distance measurement device with improved distance measurement precision in a multipath environment. SOLUTION: In this distance measurement device using a spread spectrum communication the peak time of an ideal correlation waveform is estimated from the peak time of a detected correlation waveform (S5), and on the basis of this estimation value, the distance is calculated (S6). From the time of a polarity changing point of the detected correlation waveform and a deviation between this correlation waveform polarity changing point and that of the ideal correlation waveform, the polarity changing point time of the ideal correlation waveform is estimated, and from this time, the peak time of the ideal correlation waveform is estimated, and consequently, the distance is calculated on the basis of this estimation value.
Patent JP-2000304738-A (JP)
Title: Detecting method for amine in sub-ppb range
Inventor: RAAPIN LEE
IPC: G01D1/16
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a method in which the concentration of an environmental air component at a ppb level is measured. SOLUTION: In this method which finds the concentration of an air- transported gas component in a gas mixture comprising at least three components, (a) a first conversion stage at which at least a first gas component in a first gas mixture is converted into a second gas in a first converter is contained, (b) a second conversion stage at which at least a third gas component in the first gas mixture is converted into the second gas in a second converter is contained, (c) a stage at which the first concentration of the second gas is measured after the first conversion state is contained, and (d) a stage at which the second concentration of the second gas is measured after the second conversion stage is contained.
Patent JP-2001284931-A (JP)
Title: Antenna holder
Inventor: HAYASHI KEN
IPC: H01Q1/24
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide an antenna holder, which is miniaturized and light in weight, facilitated in attachment to and detachment from a main body. SOLUTION: A mount 16 formed on a main body case 14 is provided with an engage hole 38 and when a holder 11 is inserted to the depth of a mount hole 18, a pawl 28 of an elastic piece 26 is engaged with the engage hole 38. When a slider 32 is inserted to the holder 11 in such a state, since the elastic piece 26 is pressed and widened outward, the state of engaging the pawl 28 and the engage hole 38 is reinforced, a recess 36 of the slider 32 and a project 30 of the elastic piece 26 are locked, and the state of engaging the pawl 28 into the engage hole 38 is maintained. Therefore, since it is not necessary to screw the holder 11 into the mount hole 18, either, the holder 11 can be attached with one action. Further, by forming the holder 11 and the slider 32 of synthetic resins, the holder can be made light in weight in comparison with conventional one.
Patent JP-2001292431-A (JP)
Title: Transmitter and signal transmission method
Inventor: KORI TERUHIKO
IPC: H04N7/167
Filed: 2000-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a signal transmission method by which a receiver having no copy function can utilize contents even when the copyright is protected. SOLUTION: An authentication processing circuit 151 of a transmitter 10 stores a model name of a receiver having no function of copy processing of contents. When the circuit 151 stores the model name obtained from the connected receiver 40, a signal selection circuit 122 selects a position of a terminal (a) regardless of whether or not the copyright of the contents is protected, closes a switch 123 and the transmitter transmits signal which is not ciphered. While the signal of the contents whose copyright is protected is transmitted without copyright protection processing, a hot plug detection function or a plug and play function of a processing circuit 152 detects that the receiver 40 is changed, the selection circuit 122 selects a position of a terminal (b) or opens the switch 123 to stop the transmission of the signal whose copyright protection is not processed.  The circuit 151 stores the information denoting the receiver without being falsified in a way that the information can be updated.
Patent JP-2001278249-A (JP)
Title: Packaging case
Inventor: TAGAMI YOSUKE
IPC: B65D5/52
Filed: 2000-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a hanging-up packaging case which can be opened easily. SOLUTION: For the packaging case which comprises a front panel 1, paired side panels 2, a back panel 3 and a bottom panel 4, has a cover plate 5 and an insertion piece 6 connected successively to the upper edge of the front panel 1, bending pieces 7 provided respectively at the upper edges of the side panels 2, and a hanging piece 8 connected to the upper edge of the back panel 3, and can be sealed up with the hanging piece 8 bent toward the front, the bending pieces 7 bent respectively toward the inside, the cover plate 5 closed and the insertion piece 6 inserted between the hanging piece 8 and the bending piece 7, a catching tab 14 is provided in projection at the front edge of the insertion piece 6, the catching tab 14 is bent upwardly and projected beyond the cover plate 5, and opening can be made only by pulling up the catching tab 14.
Patent JP-2001286734-A (JP)
Title: Method for decomposing chlorinated organic compound and method for treating combustion exhaust gas
Inventor: KIYONO KENICHI
IPC: B01J23/30
Filed: 2000-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for decomposing a chlorinated organic compound, to which a reaction temperature below 250 deg.C or less (preferably 200 deg.C or less) required in view of an issue 'resynthesis of dioxins' or from the viewpoint of curtailing the consumption of steam as a heating source for a catalytic layer, is applicable. SOLUTION: The method for decomposing a chlorinated organic compound is to bring a gas containing the chlorinated organic compound into contact with a catalyst. This catalyst is composed of an SiO2-WO3-TiO2 ternary compound oxide carrier and an active component borne by the former.
Patent JP-2001287879-A (JP)
Title: Passage facility
Inventor: NOSE TAKAYUKI
IPC: B66B9/00
Filed: 2000-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a passage facility allowing the installation of an elevator in the vicinity of an existing staircase. SOLUTION: The elevator 5 is vertically provided in the vicinity of the existing staircase 4 provided extending from a lower floor road surface 2 to an upper floor road surface 4, and a connecting passage 6 is provided between the upper entrance port 5D of the elevator 5 and the upper floor road surface 4. The connecting passage 6 is arranged so as to avoid the vertical projected surface of the upper part of the staircase 4. According to this, the convenience of a passenger can be improved.
Patent JP-2001292424-A (JP)
Title: Transmitter, receiver and transmission method
Inventor: SAKAKURA KENTARO
IPC: H04N7/173
Filed: 2000-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a communication system by which contents of communication can easily be grasped even in the case of viewing on the way of communication. SOLUTION: In the communication system (broadcast system) of this invention, a broadcast unit accumulates sets of scene relating information A-C denoting contents of a broadcast scene and of a scene on-air at present every time scenes SA-SC being main information change to set the result as attached information. Then the attached information is multiplexed on the main information and the multiplexed information is broadcast. Since a user can acquire information with respect to scenes that are broadcast entirely, even when the user views a program on the way, the user can surely grasp contents of the program.
Patent JP-2001291232-A (JP)
Title: Method for manufacturing magnetic recording medium
Inventor: HISAMICHI JUNICHIRO
IPC: B05D5/12
Filed: 2000-04-04
Abstract: PROBLEM TO BE SOLVED: To manufacture a magnetic recording medium having an excellent- smoothness magnetic layer and showing high electromagnetic conversion characteristic suitable for high-density recording. SOLUTION: This method for manufacturing the magnetic recording medium comprises a coating step to apply a coating material 3, which is used for forming a pseudo lower layer and contains the solvent having 150 deg.C or higher boiling point, and a magnetic coating material 4, which is obtained by dispersing ferromagnetic powder in a binder, onto a nonmagnetic support 1 travelling to the prescribed direction in this order, the first smoothing step to push/smooth the surface of the applied coating material 4 so that the thickness of the coating material 4 is made to be t and the second smoothing step to vaporize the applied coating material 3 and push/smooth the surface of the applied coating material 4 in such a state that the support 1 is contacted with the coating material 4 so that the thickness of the coating material 4 layer is made to be t'.  The compressibility shown by 100×(t-t')/t is made to be 50% or higher to 60% or lower.
Patent JP-2001298611-A (JP)
Title: Method and device for image area separation
Inventor: SUINO TORU
IPC: G06T7/60
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To reduce degradation of a picture by surely discriminating a pattern area reproduced by fine parallel line patterns as a pattern area. SOLUTION: A bar-shaped area detection part 41 discriminates a notice pixel as a pixel in a bar-shaped area if an edge exists in the vicinity of the notice pixel on the basis of the detection result of an edge detection part 13, and a white background detection part 14 discriminates a white background if the bar-shaped area detection part 41 detects a bar-shaped area, and the part 14 discriminates a white background or not by the existence of a white pixel group in the vicinity of the notice pixel if the part 31 doesn't detect a bar-shaped area, and a synthetic discrimination part 15 performs image area separation to discriminate a partial picture area in inputted picture data S1 as a character area only when a dot detection part 12 doesn't any dot and the edge detection part 13 detects an edge and the white background detection part 14 detects a white background.
Patent JP-2001305697-A (JP)
Title: Sensitive material packaged body
Inventor: YAMAAI HIROYUKI
IPC: B65D85/672
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a sensitive material packaged free of sticking and deformation of a bulk roll by a simple packaging work and to enable production only with recyclable members without using wooden and metallic members in response to an ecology movement. SOLUTION: The sensitive material packaged is obtained by entirely enveloping a winding core and a rolled photosensitive material wound around the core in a light shielding film.
Patent JP-2001309228-A (JP)
Title: Digital camera
Inventor: SUZUKI MASAJI
IPC: H04N5/907
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a digital camera that can obtain an image which is free from a distortion due to lens without correcting distortions which is caused by composing multiple images. SOLUTION: When the setting is at a panoramically photographing mode, the step is advanced to S2 where an angle of the area to be photographed is read from a photograph mode setting unit, then advanced to S3 for capturing data for a subject of one vertical line, and a prescribed processing is performed at A/D converter and digital signal processing unit for storing in memory. At S4, a pan head is moved rotationally at a micro-angle, and at S5, there is determined whether the amount of rotational movement has reached the angle obtained at S2. If the amount of rotational movement has not reached the set angle, the step is returned to S3 for capturing adjacent images of subject. If it has reached the set value at S5, the processing terminates. When this series of processing terminates, image data for one sheet of panoramic photograph is stored.
Patent JP-2001307534-A (JP)
Title: Lighting tool
Inventor: UEDA TAKASHI
IPC: F21Y103/02
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a lighting system which enables to discriminate the mount ing structure of a shade at a glance by reducing a gap between a ceiling and a tool body. SOLUTION: In this lighting tool, the shade is supported by a stud 3 mounted to the tool body 1. The stud 3 is provided at one end of the axis 10 penetrating the tool body 1. A lever 4 extending from another end of the axis 10 to the periphery of the tool body 1 is united in a body with the stud 3 which is made capable of adapting the shade 2 by the shoulder being detachable by rotating the lever 4 around the axis 10. With this, lever 4 is able to be operated by holding an outer portion of the periphery of the tool body 1 so that the there is no need to insert fingers into the gap between the ceiling and the tool body 1, and since only a size to insert the thickness of the lever 4 is needed therin, the gap can be made very thin. Moreover, the lever 4 is placed visible in outer view so that it may be confirmed at a glance that the shade 2 is held by the stud 3.
Patent JP-2001308773-A (JP)
Title: Mobile communication method
Inventor: SAITO YOSHIHIKO
IPC: H04B7/26
Filed: 2000-04-25
Abstract: PROBLEM TO BE SOLVED: To solve the problem that the quantity of drift of an allowable frequency in a receiving circuit of both a mobile terminal and a radio base station is narrow as hundreds of Hz in a spread spectrum mode, and that it is difficult to maintain good reception when a 2 GHz band is applied to a high-speed mobile terminal. SOLUTION: The sector α of a side from which the mobile terminal 40 approaches the radio base stations 10 and 20 and the sector βof a side from which the mobile terminal 40 keeps away from the radio base stations 10 and 20 are divided. A communication frequency is offset for each sector α and βfor compensating a Doppler frequency. A good talk (receiving state of the mobile terminal) can be realized with a simple configuration, without manipulating in any way in the mobile terminal, even when frequency deviation is generated in a radio frequency between the radio base station and the mobile terminal due to a Doppler effect during the high-speed movement of the mobile terminal.
Patent JP-2001308614-A (JP)
Title: High frequency circuit with non-reciprocal device
Inventor: ITO TOSHIMASA
IPC: H01P5/12
Filed: 2000-04-26
Abstract: PROBLEM TO BE SOLVED: To produce a high frequency circuit with low insertion loss using a synthesizer. SOLUTION: High frequency signals can be synthesized with only circulator loss and circuit loss at a passage reflector by using two non-reciprocal devices to synthesize at the terminals of A2 and B2.