baber/WOPTO huggingface dataset:
Patent JP-2000327641-A (JP)
Title: Production of salts of 1-substituted 2,4-diaminobenzenes
Inventor: RODEFELD LARS
IPC: C07B61/00
Filed: 2000-04-20
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound useful for a precursor compound in the field of hair cosmetics by decreasing the amount of impurities having the danger of allergy attraction and by controlling discoloration least possible. SOLUTION: By catalytically hydrogenating 1-substituted 2,4-dinitrobenzenes, wherein R1 is a 1-20C alkyl, an aryl or the like; R2 is expressed by formula II [wherein R5 is a 1-5C alkyl; (m) is 1-12 and; (p) is 1-4 or formula III [wherein (r) is 0-2] and; (n) is 0-3} and by adding the catalyst-free reaction product to an aqueous solution of an acid of the formula H(+)Y(-) (e.g. hydrochloric acid), the objective compound of formula IV is obtained. The hydrogenation reaction is carried out in the presence of a precious metal catalyst under a hydrogen pressure of 0.5-5 MPa at 40-120 deg.C in a solvent being an aliphatic alcohol (e.g. isopropanol). The molar ratio of the acid to the compound of formula I preferably is 2:1.
Patent JP-2001305304-A (JP)
Title: Method for manufacturing optical device, optical device by that method for manufacturing, display element and display device having that optical device, photographing element and photographing device having that optical device, and method for manufacturing device
Inventor: TERADA JUNJI
IPC: B05D5/06
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical device by which an optical device excellent in uniformity and reproducibility for size and form and having high durability and high accuracy can be easily manufactured, and to provide an optical device manufactured by the method, a display element and a display device having that optical device, a photographing element and a photographing device having that optical device, and a method for manufacturing a device. SOLUTION: The method for manufacturing a device or an optical device includes a process of applying a material having fluidity on a projection and/or recess pattern and a process of hardening to aggregate the material applied on the pattern along the pattern form. The optical device, the display element and the display device having that optical device, and the photographing element and the photographing device having that optical device are obtained by the method for manufacturing.
Patent JP-2001307499-A (JP)
Title: Semiconductor memory
Inventor: KOSHIKAWA KOJI
IPC: G11C29/50
Filed: 2000-04-24
Abstract: PROBLEM TO BE SOLVED: To solve the problem that a defective sense amplifier and a defective memory cell having no capability with respect to write-recovery time tDPL cannot be detected easily. SOLUTION: This device is provided with plural memory cells arranged in a matrix state, and word lines selecting one row out of plural memory cells, and defective sense amplifier and a defective memory cell having no capability for a recovery time tDPL are detected by quickening non-selection timing of a word line at the time of a test.
Patent JP-2001307394-A (JP)
Title: Device and method for driving magnetic tape and video deck
Inventor: TOMITA TOMOAKI
IPC: H04N5/7826
Filed: 2000-04-25
Abstract: PROBLEM TO BE SOLVED: To solve the problem that a user can not always search for a desired tape position since a search position can not be set and the problem that the usability is not good since the user needs to set the desired search position at the end of recording in another case. SOLUTION: When desired recording start positions are set as search positions in search setting mode to make plural recording reservations, a video tape is rewound up to the search position set in the search setting mode at the end of the recording of all reserved programs based upon the recording reservations, so even when the plural programs are recorded, the user can search for desired tape positions and the usability can be improved.
Patent JP-2001258428-A (JP)
Title: Plug made for environmental safeguard
Inventor: IGARASHI TOKI
IPC: C08L1/12
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To solve such problem that an early popularization of a biodegradable plug substitutable for a plastic worm having specifically and currently elucidated an actual damage to an ecosystem is required, a distribution method after production of a product by using an existing plant has a difficulty in distribution by a fear of mold, drying and natural decomposition in terms of storage of a commodity, and a concrete production method for producing a plug having an aesthetic molding degree and a fishhook following properties comparable to those of the plastic worm has not been established. SOLUTION: This plug made for environmental safeguard is characterized in that dried powder (1) obtained by uniformly dispersing and mixing high-purity glucomannan refined flour with gelling agent powder both in a dried state is supplied, 2-4 wt.% of the dried powder (1) is mixed with 96-98 wt.% of water or colored water at an arbitrary production place and heated at 85-95 deg.C for 20 minutes to 30 minutes to give a solution, which is cast into a mold (2), cooled and then demolded.
Patent JP-2001308905-A (JP)
Title: Mail system utilizing broadcast wave
Inventor: TANAKA KAZUYUKI
IPC: H04L12/18
Filed: 2000-04-26
Abstract: PROBLEM TO BE SOLVED: To solve a problem of a conventional mail system utilizing television broadcasting that viewing of a television program is disturbed because browsing and preparation of mails are conducted by utilizing the display on a television screen. SOLUTION: The mail system utilizing the broadcast wave of this invention is provided with a receiver that receives video and audio signals and data from a television broadcast wave, informs a user about the reception of a television broadcast program and stores a mail from the data and with an operation remote controller that generates a mail and uses the receiver to transmit the mail. The operation remote controller has a display means to display a mail for its browsing.
Patent JP-2001308821-A (JP)
Title: Demodulator and demodulation method
Inventor: OKADA TAKAHIRO
IPC: H04J11/00
Filed: 2000-04-21
Abstract: PROBLEM TO BE SOLVED: To accurately calculate broadband carrier frequency errors of an OFDM signal, using a simple configuration. SOLUTION: A broadband fc error/CPU calculation circuit 10 converts an OFDM frequency domain signal subjected to an FFT operation into angular data, subsequently extracts a CP signal by performing difference detection two times between symbols, before and after time-wise with respect to the angular data, and calculates the broadband carrier frequency error of the OFDM signal by calculating how much the subcarrier position of the extracted PC signal shifts from the original subcarrier position.
Patent JP-2001311576-A (JP)
Title: Refrigerator
Inventor: OGURA YOSHIAKI
IPC: F25B9/14
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerator in which a user can drive it with a less- expansive power supply that can be easily attained and it has a cooling capability similar to that of a freezer. SOLUTION: A refrigerator comprised of a thermal insulating box member 1 having a cooling chamber 1a that can be sealingly closed and a cooling device 2 for use in cooling an inside part of the cooling chamber 1a is characterized in that the cooling device 2 is comprised of a stirring freezer.
Patent JP-2001311645-A (JP)
Title: Fluid amount detector and ink amount detector
Inventor: HIGA RYUJI
IPC: B41L13/18
Filed: 2000-04-28
Abstract: PROBLEM TO BE SOLVED: To provide a fluid amount detector and an ink amount detector capable of detecting variation of capacitance lower than several pF due to the variation of fluid amount such as ink. SOLUTION: The detector has a reference oscillation means oscillating reference frequency signal with an oscillation time constant of a resistance and a reference capacitance and a measurement oscillation means oscillating measurement frequency signal with an oscillation time constant of a resistance identical to the reference oscillator and a measurement capacitance as the result of addition of capacitance corresponding to the fluid amount to the capacitance corresponding to the reference capacitance. The reference frequency signal and the measurement frequency signal are frequency-divided by 2n times. By subtracting the reference frequency signal frequency-divided by 2n times from the measurement frequency signal frequency-divided by 2n times, the capacitance correponding to the ink amount is detected.
Patent JP-2001317394-A (JP)
Title: Fuel injection controller for cylinder injection engine
Inventor: ONO TAKAHIKO
IPC: F02D45/00
Filed: 2000-04-28
Abstract: PROBLEM TO BE SOLVED: To provide a fuel injection controller for a cylinder injection engine capable of preventing worsening of injection quantity precision due to external disturbances such as fluctuation of battery voltage, changes of coil resistance of a fuel injection valve, and changes of fuel pressure acting on the fuel injection valve and providing a large injection quantity control scope of the fuel injection valve when the fuel injection valve is excessively excited and drive by battery voltage at low cost. SOLUTION: This fuel injection controller for the cylinder injection engine is provided with an excessive excitation and driving means 2 outputting an excessive excitation current to the fuel injection valve 1 by battery voltage, a holding and driving means 3 holding a valve open condition of the fuel injection valve 1 and outputting a smaller holding current than the excessive excitation current, an injection valve control means 4 switching output operation of the excessive excitation and driving means 2 and the holding and driving means 3 to control the drive of the fuel injection valve, and a switching timing change means 6 changing switching timing of the output operation of the excessive excitation and driving means 2 and the holding and driving means 3.
Patent JP-2001311212-A (JP)
Title: Sewage tank
Inventor: MUTO JUNJI
IPC: E03F5/10
Filed: 2000-05-01
Abstract: PROBLEM TO BE SOLVED: To provide a dirt tank which can be miniaturized. SOLUTION: In the dirt tank 20, pressure in an inflow pipe 26 is let escape to the outside from a through-hole 35 by adopting a structure in which the through-hole 35 communicating the inside and the outside of the inflow pipe 26 is formed to the peripheral wall of the inflow pipe 26 in which an outlet 26a at the upper side of the peripheral wall of a tank body 23 is directed towards the lower direction and an inlet 26b is directed in the horizontal direction, a siphon phenomenon as the factor of a back flow is not generated even when a water level in the tank reaches the lower end of the inlet of the inflow pipe 26, and a space as allowance which has been required is removed or minimized.
Patent JP-2001314090-A (JP)
Title: Inverter device
Inventor: SAKAI KEIJIRO
IPC: H02M7/48
Filed: 2000-04-27
Abstract: PROBLEM TO BE SOLVED: To accurately perform current limiting in the case of the automatic torque boost control and overload of an AC electric motor by an AC phase current obtained from the DC input current of an inverter. SOLUTION: This inverter device is provided with a first sample-and-hold circuit for sampling and holding the DC input current in a gate state for turning on only one phase and turning off the other two phases out of the three phases of the positive side arm switching element or the negative side arm switching element of a three-phase inverter, and a second sample-and-hold circuit for sampling/holding the DC input current in a gate state for turning on the second phase and turning off the other phase, thus varying the output frequency or output voltage of the inverter according to the first and second sample-and-hold circuit output value that changes with 120-degree phase period of the inverter output voltage phase.
Patent JP-2001313952-A (JP)
Title: White balance adjustment circuit, television camera device including the same and white balance adjustment method
Inventor: SUGIURA MAMORU
IPC: H04N9/73
Filed: 2000-04-28
Abstract: PROBLEM TO BE SOLVED: To provide a white balance adjustment circuit with which the influence of a noise included in image data is prevented, and which can be adjusted even when an object has a fluctuation of luminance. SOLUTION: Each chrominance signal changed into a picture signal by a CCD 1 is amplified by a gain set for each color in a white balance amplifier 4. The gain is adjusted for each color through a gain adjustment signal S6 so that the ratio of an integrated value integrating the chrominance signal of a pixel area having luminance higher than a threshold value signal St reaches a prescribed ratio. The threshold value signal St is adjusted so that the area value Sd of the pixel area integrating the chrominance signal becomes in a prescribed range. In the case that the area value is zero when the threshold value signal St is adjusted, the threshold value signal St at the time is stored as a marginal threshold value, and the adjustment range of the threshold value signal St is restricted based on the marginal threshold value.
Patent JP-2001315798-A (JP)
Title: Packaging bag for sandwich
Inventor: SAKIYAMA MASAHISA
IPC: B65D85/50
Filed: 2000-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a packaging bag for sandwich in which a protection film has the same shape as that of a front film, its shape is substantially an elongated rectangular shape, only one end of the bag facing its opening is melted and adhered to the front film, the other portion is kept free to cause a sandwich to be easily taken out of the bag, it can be manufactured without applying any intermittent stoppage to the film, its mass production can be attained and its production cost can be restricted low. SOLUTION: A front film 2 having the same shape of a substantial trapezoidal one, a protection film 10 and a rear film 3 are overlapped from each other in this sequence. An upper edge 8 is melted and adhered, both right and left side edges 4, 4 are melted and adhered to each other, and the front film 2 and the protection film 10 are melted and adhered to a lower edge 6. The protection film 10 is provided with first two slits 11a, 11b extending in bag deep and shallow directions so as to be substantially adapted for both side edges except the upper and lower ends of the front surface of the sandwich when the sandwich is stored. A more inner side of the bag than the inner side ends of the bag of the first two slits 11a, 11b is provided with second slits 12a, 12b, 12c extending in parallel with the upper edge of the bag.
Patent JP-2001318077-A (JP)
Title: Analyzing method of waste
Inventor: HIRAYAMA ATSUSHI
IPC: G01N33/00
Filed: 2000-05-10
Abstract: PROBLEM TO BE SOLVED: To provide an analyzing method of waste capable of easily quantifying hazardous organic matters contained in the waste in a short time. SOLUTION: This analyzing method of waste is characterized in that organic compounds are volatilized by heating the waste contaminated with the hazardous organic matters in a flowing gas, that the gas containing the volatilized organic compounds is analyzed by a flame ionization detector, and that at least one kind of the organic matters contained in the waste is quantified based on the total amount of organic compounds found through the analysis by the detector.
Patent JP-2001320795-A (JP)
Title: Telephone call system and speaker device
Inventor: TAKEDA KUNIHARU
IPC: H04R3/02
Filed: 2000-05-12
Abstract: PROBLEM TO BE SOLVED: To provide a telephone call system and a speaker device which can prevent the occurrence of howling. SOLUTION: In the telephone call system composed by placing a telephone call device 18 having microphones 11 and speaker devices 19 in a plurality of single rooms, the output sound is confined inside a tubular member 32 and is passed through the member 32 by the speaker device. Since the output sound of the speaker device is transmitted to a caller through the member 32, acoustic turnover between the speaker device and the microphone is not generated. Thereby the occurrence of howling can be prevented.
Patent JP-2001326295-A (JP)
Title: Semiconductor device and frame for manufacturing the same
Inventor: MAEDA MASAHIDE
IPC: H01L23/31
Filed: 2000-05-15
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device capable of performing facial mounting which can be easily manufactured, and which can be made thin as a whole. SOLUTION: This semiconductor device is provided with a semiconductor chip 1, plural conductors 2 electrically connected to the plural electrodes of this semiconductor chip 1, and a resin package 3 for sealing the plural conductors 2 and the semiconductor chip 1. In this case, a part of each conductor 2 is constituted of a terminal part for facial mounting exposed from a bottom face 3e of the resin package 3. The thickness of each conductor 2 is made non-uniform so that a projecting part 22 projected to the direction of the bottom face of the resin package 3 can be formed at a part of each conductor 2, and that a part of this projecting part is exposed from the bottom face 3e of the resin package 3 as the terminal part.
Patent JP-2001326511-A (JP)
Title: Antenna fixture
Inventor: IWATA KOICHI
IPC: H01Q1/12
Filed: 2000-05-15
Abstract: PROBLEM TO BE SOLVED: To provide an antenna fixture which can easily be mounted on bricks and can reduce the number of parts. SOLUTION: Left leg frames 15 are connected to both left and right side parts of a base 12 through the first and second hinge parts 13 and 14 in a turnable way. The first and second fastening bodies 21 and 22 are connected to the lower end parts of the left and right leg frames 15 and 16, and the first and second turnbuckles 31 and 32 are constructed at and connect the middle parts of the frames 15 and 16. A support pipe 51 and a height adjusting pipe 52 are erected on the base 12 in a straight line. When the first and second turnbuckles 31 and 32 are turned, the frames 15 and 16 are made closer or separated more, and the first and second fastening bodies 21 and 22 are pressed to the bricks so that the antenna fixture main body 11 can stably be mounted on the bricks.
Patent JP-2001317500-A (JP)
Title: Siphon type pump
Inventor: ISHIDA NAOYUKI
IPC: F04F10/00
Filed: 2000-05-10
Abstract: PROBLEM TO BE SOLVED: To provide a siphon type pump for obtaining a prescribed handling flow rate in a short time by largely shortening siphon forming time. SOLUTION: A vortex preventive plate 1 is arranged in a siphon passage 11 so that the ratio W1:W2 of clearance between an inside passage 16 and an outside passage 17 becomes constant. Air is efficiently excluded without being returned to an air reservoir 12 in the siphon passage 11 by setting the clearance W1 so that a flow speed of the inside passage 16 becomes larger than a bubble rising speed, and the siphon forming time can be largely shortened to obtain the prescribed flow rate in a short time.
Patent JP-2001321725-A (JP)
Title: Grain sorting apparatus
Inventor: KAWASHIMA KENZO
IPC: B07B1/22
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a grain sorting apparatus whose sorting section can easily and quickly be assembled and disassembled. SOLUTION: This grain sorting apparatus comprises a sorting section 5 composed of a rotating sorting mesh cylinder 3 for discharging crushed grains and a rotating spiral unit 4 for elevating and moving the object grains to be sorted along the inner face of the rotating sorting mesh cylinder 3. The outer casing 2 of the sorting section 5 has an opening in the upper face and is freely opened or closed by a cover unit 22. The cover unit 22 is opened and the rotating spiral unit 4 and the rotating sorting mesh cylinder 3 are successively dropped and inserted into the outer casing 2 from the opening of the upper face of the casing 2 and then the cover is closed to pivotally support and install the unit 4 and the cylinder 3. The cover unit 22 is opened and the rotating sorting cylinder 3 and the rotating spiral unit 4 are taken out through the opening of the upper face.  The engaging positioning structure of one rim part of the opening of the outer casing 2 and the cover unit 22 is so formed as to axially engage the cover unit 22 in the state that the cover unit 22 is opened and keep the axial engagement of the cover unit 22 in the direction of closing the cover unit 22.
Patent JP-2001326416-A (JP)
Title: Signal converter
Inventor: DOI YOSHIYUKI
IPC: H04B10/61
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To provide a small and lightweight signal converter and by which a high-frequency signal and a light signal are converted mutually. SOLUTION: A photodiode array 1 and a laser diode 2 are connected in series via an inductor 6. A DC component from among the output signal of the photodiode array 1 is used as the driving power supply of the laser diode 2. The AC component from among the output signals of the photodiode array 1 is supplied to a transmitting antenna 3a. Based on the high-frequency signal which is received by a receiving antenna 3b, the laser diode 2 emits light. By this constitution, a power-supply device is not required, and it is possible to realize the small and lightweight signal converter and whose costs are reduced.
Patent JP-2001325714-A (JP)
Title: Discoid magnetic recording medium
Inventor: NISHIDA YASUHIRO
IPC: C09D5/23
Filed: 2000-05-16
Abstract: PROBLEM TO BE SOLVED: To effectively suppress the wear of a multilayer coating type discoid magnetic recording medium, particularly a magnetic disk and a magnetic head due to high-speed sliding while maintaining the high recoding density and high transfer rate of the magnetic disk and to enhance durability and reliability. SOLUTION: The discoid magnetic recording medium contains at least one amino-ester of formula (I) (where R1 is H or a <=24C hydrocarbon group; R2 and R3 are the same <=12C hydrocarbon group or mutually different <=12C hydrocarbon groups; and R4 is a <=24C hydrocarbon group) in each magnetic layer 20 containing a magnetic powder dispersed in a binder and/or on the surface of the disk 3. The number of revolutions of the magnetic recording medium is >=2,400 r.p.m. and a magnetic head 13 is brought into contact sliding relatively to the medium.
Patent JP-2001324974-A (JP)
Title: Zooming processor
Inventor: SHIRAISHI RYUICHI
IPC: G06F3/0484
Filed: 2000-05-17
Abstract: PROBLEM TO BE SOLVED: To make which part of an original display picture is to be magnifyingly displayed to be easy to operate with a remote control. SOLUTION: When this zooming processor is in a magnification mode, a magnification point setting part 2D sets the magnification point of an original display picture by utilizing a video memory 11 and an OSD memory 2C. When a magnification control command is given to the processor, a processing part 2E magnifyingly processes picture information around the magnification point into a prescribed picture size to generate a magnified picture and the part outputs it to a display device.
Patent JP-2001058255-A (JP)
Title: Carbon base metal composite material formed board and production thereof
Inventor: KAWAMURA NORIAKI
IPC: H05K1/05
Filed: 2000-05-17
Abstract: PROBLEM TO BE SOLVED: To provide a carbon base metal composite material formed board having >=150 W/(m.K) thermal conductivity, 4×10-6/ deg.C-12×10-6/ deg.C thermal expansion coefficient and <=50 GPa elastic modulus in the surface direction and suitable to a substrate for electronic device. SOLUTION: This carbon base metal composite material formed board is composed of the carbon base metal composite material produced by impregnating aluminum, copper, silver or alloy thereof into a carbon formed body containing graphitized grain or a carbon formed body containing carbon fiber with molten material forging. Further, the producing method of the carbon base metal composite formed board is executed by bringing the carbon formed body into contact with molten aluminum, molten copper, molten silver or molten alloy thereof under pressurizing to impregnate the molten metal into the carbon formed body.