baber/WOPTO huggingface dataset:
Patent JP-2001222687-A (JP)
Title: Card reader
Inventor: OGUCHI KOJI
IPC: G06K13/06
Filed: 2000-02-09
Abstract: PROBLEM TO BE SOLVED: To prevent a card from being illegally taken-out even in a state where a shutter is nor closed. SOLUTION: The card insertion slot 21 is provided with a freely opening/ closing possible shutter 3 or permitting a card 2 to be taken-in to the card reader 1 and a card width detecting means 4 for detecting the insertion of the card 2, shutter 3 is moved to an open position when the means 4 detects the insertion of the card 2 and the card 2 is taken into the inside of the card reader 1 to perform a prescribed processing in the card reader 1.  The means 4 is provided with a card width detecting member 5 to be moved by abutment on the card 2, an engagement member 6 being movable to the movement area of the member 5 and also a movement mechanism 7 for moving the member 6 are arranged, the mechanism 7 is moved to permit the member 6 to face the movement area of the member 5 in the case of detecting the abnormal stop of the card 2 when he shutter 3 is at the open position and, then, the taking-out of the card 2 is prevented by the member 5.
Patent JP-2001217585-A (JP)
Title: Shield case and electronic equipment using the same
Inventor: FUKUSHIGE TAKASHI
IPC: H05K9/00
Filed: 2000-02-04
Abstract: PROBLEM TO BE SOLVED: To provide a shield case and electronic equipment which prevent degradation in mechanical joint strength and reliability. SOLUTION: A shield case 1 is provided which comprises a metallic side plate 12 which surrounds a board 2 where an electronic component is mounted while a leg 4a protruding on a conductive shield plate 4 which is erected on the board 2 is inserted from above into a slit 2a provided at the board 2 so that the board 2 and the leg 4a are soldered together with the side plate 12. Here, a joint 14 for soldering which faces the leg 4a is surrounded with a cut-out 13 which is cut out of the side plate 12.
Patent JP-2001219989-A (JP)
Title: Feeding device for storage hopper
Inventor: HISAICHI TETSUO
IPC: B65G65/46
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To accurately adjust the feeding amount of a stored material such as organic sludge or the like. SOLUTION: A feeding device 11 for a storage hopper is provided with a hopper main body 12 storing sludge, a feeding mechanism 13 for extending the stored material stored in the hopper main body 12 by a set amount, a take- out opening 17 for taking out the stored material fed by the feeding mechanism 13 and a buffer plate 14 provided on the upper side of the take-out opening 17 and keeping the accumulating pressure not directly applied to the take-out opening 17. A rotating shaft 20 eliminating the effect of the accumulating pressure is provided on a heat top section of the buffer plate 14. Thus the stored material adhered on the head top section of the buffer plate 14 is scraped off between the rotating shaft 20 and the buffer plate 14 to smooth the flows of the stored material around the buffer plate 14 and the feeding amount of the stored material is accurately adjusted.
Patent JP-2001218655-A (JP)
Title: Showcase forming kit
Inventor: ISHISHI KIYOTAKA
IPC: A47F3/00
Filed: 2000-02-10
Abstract: PROBLEM TO BE SOLVED: To modify a flat showcase into a sealed type showcase while ensuring a sufficient hygienical environment without decreasing the display decorative property. SOLUTION: This showcase forming kit comprises a top plate 2, a front plate 3, a rear plate 4 and a side plate 5, being transparent, which are built up into a box shape wherein the bottom surface is open, and can form a display space S inside, and the showcase forming kit is mounted on the edge of a take- out port 1a of a built up flat showcase 1, of which the take-out port 1a is opened on the top.
Patent JP-2001220212-A (JP)
Title: Apparatus for treating dust occurring in glass material- cutting operation
Inventor: TANAKA TADASHI
IPC: H01B19/00
Filed: 2000-02-14
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus for treating the dust occurring in the glass material cutting that can allow the dust occurring in the cutting operation to smoothly fall down to the discharge pit without load on the operator and can protect the operator from the danger caused by the overturn of the glass material. SOLUTION: A glass material W is allowed to stand upright on the rotary disk 1 and is cut as it is rotated. In this case, the protection covers 7, 11 are arranged on the periphery of the glass forming apparatus to prevent the cutting dust from splashing and inhibit the glass material for overturning. Further, a plurality of rotary blades 8 equipped with a horizontal cutter 9 are set to the outer peripheral face of the rotary disk 1 so that the cutting dust sticking to the rotary disk may be cut off and is allowed to fall down to the discharge pit 6 formed on the floor.
Patent JP-2000244448-A (JP)
Title: Frequency offset estimating device for ofdm communication system
Inventor: DE COURVILLE MARC
IPC: H04J11/00
Filed: 2000-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a device by which carrier/clock frequency offsets can jointly and blindly be estimated on a channel by estimating items related to the carrier frequency offset and the sampling frequency offset by means of a specified joint maximum likelihood estimate. SOLUTION: This device is provided with a local oscillator, a demodulator, a first modulator, a second module and a third module. The first modulator removes the parasitic effect of a channel on a symbol R(k) and generates at least one block Y(k) of a component Ym(k). The second module removes a modulation effect from Y(k), generates at least a modulation effect from Y(k), generates at least one block Z(k) of a component Zm(k) and calculates V of a component Vm. It is set to be Vm=/Ym/. The third module estimates an item A and an item B, which are related to a carrier frequency offset /fc-fb/ and the sampling frequency offset /ft-fr/ by performing a joint maximum likelihood estimate by an expression.
Patent JP-2001225832-A (JP)
Title: Packaging case for printed wiring board
Inventor: MIYAJI TOSHIJI
IPC: B65D81/07
Filed: 2000-02-14
Abstract: PROBLEM TO BE SOLVED: To densely and regularly store a large number of printed wiring boards with respect to a corrugated fiberboard case. SOLUTION: A corrugated fiberboard case 10 with a lid 15 and a holder 20 to be put into case 10, one of the sides of which is made of a corrugated fiberboard, are combined with each other. The opposite sides of each of printed boards P are inserted respectively into holding grooves 22a, 22a of left and right upright parts 22, 22, and the other side of the board P is inserted into a holding grooves 21a of a bottom part 21, whereby the holder 20 can hold the printed boards.
Patent JP-2001230661-A (JP)
Title: Driver circuit, i/o cell and layout designing method
Inventor: INOUE GENICHIRO
IPC: H03K5/13
Filed: 2000-02-15
Abstract: PROBLEM TO BE SOLVED: To reduce unwanted electromagnetic waves from a semiconductor integrated circuit by suppressing peak current in the semiconductor integrated circuit. SOLUTION: Serially connected first to fourth resistors 31 to 34, respectively having fixed resistance values are provided and, on the input side of the resistors 31-34, first to fourth capacitors 41 to 44 respectively having fixed capacity values are provided in parallel. Moreover, four transfer gates are provided to change the connecting state of the four pairs of resistors and capacitors corresponding to a delay time control signal. Since the four transfer gates are respectively connected with first to fourth delay time control terminals 13 to 16, the conducting state of each of the transfer gates is set by a four-bit delay time control signal, inputted from the outside to the first to fourth delay time control terminals 13 to 16, so that the delay time of a signal outputted from an output terminal can be changed.
Patent JP-2001193512-A (JP)
Title: Engine having functions of gasoline and diesel
Inventor: KITAGUCHI HIROMASA
IPC: F02D19/06
Filed: 2000-01-11
Abstract: PROBLEM TO BE SOLVED: To provide an engine capable of using both gasoline and diesel oil used as a diesel engine efficient in fuel consumption for traveling in an area without houses and switched to a gasoline engine advanced in noise and exhaust gas countermeasures when entering a city with many houses. SOLUTION: To use this engine as a gasoline engine, gasoline is injected from an injector and ignited by a spark plug for using it as a gasoline engine. To use this engine as a diesel engine, a compression ratio is raised to a suitable pressure and diesel oil is injected to an injector for using it as a diesel engine.
Patent JP-2001230636-A (JP)
Title: Feedforward amplifier circuit and its control method
Inventor: OKADA KOICHI
IPC: H03G1/04
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a feedforward amplifier circuit, capable of efficiently performing distortion removal by avoiding the injection of a pilot signal which has the same frequency as an input signal to the circuit. SOLUTION: The detected frequency of a signal detector 17 for detecting a signal frequency included in a circuit output is constituted to be freely changed and controlled. When turning on a power source or while a pilot signal is not being monitored, the frequency of the input signal is detected under the control of a control circuit 18. Then, the frequency of the pilot signal is set automatically to a frequency different from the detected frequency. Thus, the injection of the pilot signal, having the same frequency as the input signal, can be avoided, and distortion can efficiently be removed.
Patent JP-2001226525-A (JP)
Title: Water absorbent and its manufacturing method
Inventor: KAWANAKA SATOSHI
IPC: C08L101/16
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To obtain a water absorbent which is biodegradable and has a high gel strength and a high water absorption capability in an aqueous sodium chloride solution and to provide its manufacturing method. SOLUTION: The water absorbent comprises galactomannan, a derivative thereof, and polyvalent metal ions, has such a heterogeneity that the degree of crosslinking at the surface of particles of the absorbent differs from that at the insides of the particles, and has such characteristics that both the amount of absorbed water in deionized water and that in an aqueous sodium chloride solution with a concentration of 5 wt.% or lower are at least 20 times the own weight.
Patent JP-2000304048-A (JP)
Title: Hydrostatic gas bearing
Inventor: TSUDA TAKUMA
IPC: F16C32/06
Filed: 2000-02-16
Abstract: PROBLEM TO BE SOLVED: To prevent the contamination of the air supplied to a bearing, the clogging of an air pad, and the contamination of an opposed surface by providing air feeding internal pipings within upper and lower shaft fixed bodies, respectively, and connecting both the pipings through a connecting piping within a lower shaft moving body. SOLUTION: The floating air from the feed tube 2 of a lower shaft fixed body 1 is supplied to each air pad 5 through a stainless feeding internal piping 3 and an air passage 4 within the lower shaft fixed body 1 to float a lower shaft moving body 6. The air passage 4 is partially branched in the middle to form an upper shaft feed piping 7, and the floating gas for the lower shaft fixed body 1 is partially supplied to a connection groove 8 within the lower shaft moving body 6 through the piping 7 and further supplied to an upper shaft air pad 11 through a stainless connecting piping 10, and a feeding internal piping 9 within an upper shaft fixed body 13 to float an upper shaft moving body 12.  According to this, the feeding pipe connection to the respective moving bodies can be eliminated in both the upper and lower shafts, and the contamination of the supplied air can be eliminated in combination with the stainless-made connecting piping.
Patent JP-2001228099-A (JP)
Title: Plating inspection method
Inventor: HAGA TAKAYUKI
IPC: G01N21/27
Filed: 2000-02-17
Abstract: PROBLEM TO BE SOLVED: To discriminate with high accuracy as to whether plating is applied from a monochromatic image. SOLUTION: A substrate and a plated metal are irradiated with a light of a specific wavelength which is different by a large amount in reflectivity from other wavelength region to obtain a monochromatic image, based on the light having a specific wavelength, and the monochromatic image is converted into a binary image to discriminate between the plated metal and the substrate.
Patent JP-2001230330-A (JP)
Title: Nonvolatile semiconductor memory and its manufacturing method
Inventor: ONO MASAHIRO
IPC: H01L21/8247
Filed: 2000-02-18
Abstract: PROBLEM TO BE SOLVED: To improve the device characteristics. SOLUTION: The memory comprises a floating gate 24 formed through a first gate oxide film on a semiconductor substrate 21, erase gate 28 formed through a selective oxide film and a tunnel oxide film on the floating gate 24, side wall oxide film 31 formed so as to cover the floating gate 24, the selective oxide film, the tunnel oxide film, the erase gate 28 and an oxide film, control gate 33 formed through the side wall oxide film 31 and a second gate oxide film formed on the substrate surface layer on one-side walls of the floating gate 24, the selective oxide film, the tunnel oxide film, the erase gate 28 and he oxide film, source region 34 formed adjacent to the floating gate 24, and drain region 37 formed adjacent to the control gate 33.
Patent JP-2001231314-A (JP)
Title: Seeder
Inventor: IZUMIYA MASAHIRO
IPC: A01C7/08
Filed: 2000-02-18
Abstract: PROBLEM TO BE SOLVED: To reduce the frictional resistance and improve the operating efficiency by propagating the microvibration to seeds poor in slippery to a seed attracting board by operations in a seeder in an improvement invention of the seeder. SOLUTION: This seeder is obtained by supporting the undersurface of a base wall 5 of the seed attracting board 1 with a spherical supporting unit 21 so as to be freely shaken in the front, rear, left and right directions and mounting an electric vibrator for microvibrating a planar plate 4 for attracting the seeds provided with air suction holes 4a bored in the form of a prescribed arrangement so as to attract the seeds on the seed attracting board 1.
Patent JP-2001235343-A (JP)
Title: Information output device
Inventor: KUBOTA TOMOKI
IPC: G01C21/00
Filed: 2000-02-21
Abstract: PROBLEM TO BE SOLVED: To make freely adjustable the frequency, at which an agent appears, as a user likes. SOLUTION: This device allows a user to vary the frequency or rate, at which the agent appears, in a vehicle. The user increases or decreases the frequency or rate of appearance of the agent within the range from 0 to 100% so as to additionally designate or cancel events which are in accord with the order of precedence given to each event (designation changing means). When the rate of appearance of the agent is increased, the events being canceled are additionally designated, starting from the event which is higher in the order of precedence, so that the designated rate of appearance is reached. When the rate of appearance is decreased, the events being designated are canceled, starting from the event which is higher in the order of precedence, so that the designated rate of appearance is reached. The rate of appearance means the ratio of the number of designated events to the number of all events.
Patent JP-2001234359-A (JP)
Title: Precoated metallic sheet excellent in damaging resistance
Inventor: KOJIMA KAORU
IPC: C09D201/00
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To produce a precoated metallic sheet in which the designing properties of base metal or an under coating film are sufficiently made the most of and excellent in wear resistance and damaging resistance by forming a clear coating film blended with silica on the outermost surface layer. SOLUTION: In this precoated metallic sheet obtained by forming a coating film on the surface of a metallic sheet, a clear coating film with a dry coating film thickness of 5 to 40 μm is formed on the outermost surface layer by using a coating material blended with silica with the average particle size of 0.5 to 8.0 μm by 1 to 10 wt.%, and the gloss value of the coating film at 60 degrees is controlled to 10 to 75. Moreover, the coating material for forming the coating film on the outermost surface layer may be blended with a triazine based ultraviolet absorbent and/or a benzotriazole based ultraviolet absorbent.
Patent JP-2001237172-A (JP)
Title: Heat treatment equipment and method
Inventor: TATEYAMA KIYOHISA
IPC: G03F7/30
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide heat treatment equipment which is used for heat-treating, for instance, a liquid crystal display device(LCD) substrate on which a resist film is formed, or a semiconductor substrate equipped with a heating plate on which the substrate can be mounted direct, and capable of preventing the substrate from being warped and keeping it uniform in temperature distribution. SOLUTION: The heat treatment equipment is equipped with a heating plate 82 which heat-treats a substrate mounted on its mounting surface and a mechanism which feeds a vapor having characteristics to remove static electricity to a contacting surface between the substrate and the heating plate 82. The middle part 83 of the heating plate 82 is formed of water-retentive material, and the upper part 79 on which the substrate is mounted direct is formed of porous ceramic or porous metal. Solvent is supplied to the water-retentive material and evaporated by heating, by which static electricity is prevented from being produced.
Patent JP-2001231528-A (JP)
Title: Coffee bean roaster
Inventor: KOBAYASHI MAKOTO
IPC: A23N12/10
Filed: 2000-02-24
Abstract: PROBLEM TO BE SOLVED: To provide a small-sized direct-heating coffee bean roaster having a simple structure and excellent operability, reducing the requirement on the durability of the part exposed to heat and realizing uniform roasting of coffee beans. SOLUTION: A roasting vessel 2 provided with a vessel 22 is horizontally placed above a heat-source holding part 1 in a freely rotatable state and connected with a driving mechanism 4, an openable lid 3 covering the vessel and an opening 23 formed at an end of the rotary shaft of the roasting vessel and connected to the space in the vessel. The vessel is connected with a hinge part 14 to enable the turning and erection of the vessel as a whole. The other end of the rotary shaft is placed on the holding bearing and connected to the driving mechanism exclusively in the case of horizontally placing the roasting vessel.
Patent JP-2001236494-A (JP)
Title: Fingerprint image input device
Inventor: FUJIWARA HISATOSHI
IPC: G02B5/04
Filed: 2000-02-25
Abstract: PROBLEM TO BE SOLVED: To reduce the influence of noise without conducting special signal processings. SOLUTION: The pitch P2 of prism lines and the pixel pitch P3 of a CCD 4 are determined on the condition that P2/2<nP3<P1, where P1 is the minimum pitch of a fingerprint (P1 approrimately equals 0.25), P2 is the pitch (pitch of prism line) of triangular-sectioned prisms 6-1 to 6-n, constituting a prism surface 6A of a sheet prism 6, P3 is the pixel pitch of the CCD 4, and (n) is the manifigation (e.g. n=2) when the CCD 4 is projected on the sheet prism 6.
Patent JP-2001242245-A (JP)
Title: Time series image processing device and method
Inventor: MAKI ATSUTO
IPC: G06T3/00
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To easily and stably classify and identify a target using an image formed from a radar echo from the radar target. SOLUTION: Time series ISAR images formed by processing radar echoes in an ISAR image forming part 11 are successively taken into a target feature point detecting part 12, and the feature points of targets included in the respective frames of the taken-in time series images are detected by a target feature point detecting part 12. An ISAR image normalizing part 13 uniformly normalizes the shape of the target acquired in various distortion by normalizing each of the time series images on the basis of the feature points detected by the target feature point detecting part 12. An ISAR image superposing part 14 superposes the respective normalized images in time series to output an image suitable for classifying and identifying the target.
Patent JP-2001251866-A (JP)
Title: Open-phase detecting method of voltage-type inverter apparatus and its circuit
Inventor: HIGUCHI SHINICHI
IPC: H02M7/48
Filed: 2000-03-01
Abstract: PROBLEM TO BE SOLVED: To improve operation reliability of an open-phase detecting method for detecting an open-phase state of an output of voltage-type inverter apparatus of three-phase output and its detecting circuit. SOLUTION: An open-phase detecting circuit is constituted of comparison computing circuit 21-23, an OR circuit 24, AND circuit 25a, comparison computing circuit 26, comparison computing circuits 31-31, OR circuit 34, and a switch 35. While malfunction of the voltage type inverter apparatus in a low output current region is prevented by the comparison operating circuit 31-33 and the OR circuit 34 duration time of logic 'H' of a output of the AND circuit 25a is monitored with a determination computing circuit 26.
Patent JP-2001244492-A (JP)
Title: Radiation sensor
Inventor: SATO MASAHITO
IPC: H01L31/09
Filed: 2000-03-02
Abstract: PROBLEM TO BE SOLVED: To improve a sensitivity of a radiation sensor in which a selenium layer is used as a radiation sensing layer. SOLUTION: This radiation sensor comprises a substrate 3, a selenium layer 5 formed on the substrate 3 and an upper electrode layer 6 formed on the selenium layer 5. The selenium layer 5 is made of selenium or selenium alloy which has electrical properties as follows: Selenium or selenium alloy is deposited on an aluminum plate with a deposition rate of not larger than 5 μm/min in a vacuum of not larger than 6.7×10-3 Pa for 20 minutes to obtain a selenium photosensitive plate with a thickness of 60-70 μm. Then the surface of the selenium photosensitive plate is charged in darkness by a corona discharge so as to have a charge voltage of -700--900 V. If the surface of the selenium photosensitive plate is exposed to a light with a luminus power of 300 lux/s by an incandescent lamp, the residual potential of the selenium photosensitive plate is not higher than -200 V.
Patent JP-2001243892-A (JP)
Title: Shadow mask structure and color cathode-ray tube
Inventor: KAMATA AKIHIRO
IPC: H01J29/07
Filed: 2000-02-29
Abstract: PROBLEM TO BE SOLVED: To eliminate the problems that distribution of tensile force for a shadow mask in conventional shadow mask body structure has the form of two mounts, and so, the tensile forces in the left and right parts are more intense than that in the central part, that the vibration energy remains easily in the central part of the shadow mask for a long time if the mask is vibrated sympathetically, and as a result, the vibration in the central part of the shadow mask is difficult to be damped, and that a drop of color purity in the central part of the screen of a color cathode-ray tube lasts for a long time. SOLUTION: In the shadow mask body structure 10, the low rigidity area 12F of the shadow mask 12 is set to have a wide distribution near a narrow side 12B and have a narrow or non-distribution near the central part without changing the form of the narrow side of the shadow mask 12. The color cathode-ray tube equipped with the structure 10 whose damping of vibration is fast even if the shadow mask 12 is vibrated sympathetically by external vibration such as a speaker, the lowering of color purity is prevented, so that the picture quality excellent.