baber/WOPTO huggingface dataset:
Patent JP-2001342095-A (JP)
Title: Monocrystal pulling device
Inventor: TAKANASHI KEIICHI
IPC: C30B15/26
Filed: 2000-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a monocrystal pulling device which can pull up the monocrystal of high quality by keeping a molten liquid level at a specified position. SOLUTION: The monocrystal pulling up device in which a liquid level control means 20 is provided by controlling a crucible elevating motor 10 by calculating the crucible 21 elevating speed based on a decreasing volume of molten liquid 23 according to pulling of the monocrystal 36. The liquid level control means 20 consists of a liquid level measuring means 13 which measures by detecting mirror positions of reference reflectors 12, 12, regading to molten liquid face 23a by an one dimensional CCD camera 11, a crucible 21 elevating speed correcting means 15 which calculates correction value of elevating speed of crucible, based on an out put of liquid level measuring means 13, correction value adding means 17 which adds correction value to the crucible elevating speed, and the liquid level control means 20 which controls the crucible elevating motor 10,  based on the output of correction value adding means 17.
Patent JP-2001108994-A (JP)
Title: Liquid crystal display device, its producing method and device and method of alignment treatment
Inventor: YOSHIDA HIDESHI
IPC: G02F1/1337
Filed: 2000-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device having an alignment film on which a proper pretilt angle of liquid crystal molecules can be extremely stably and easily obtained, and to easily and accurately divide and align without increasing the process by using the alignment film. SOLUTION: The alignment films 16a, 16b are formed from a material containing a mixture or polymerized product of a polymer x1 and a polymer x2. The polymer x1 changes the alignment of liquid crystal molecules from the vertical alignment as the initial state to a random horizontal alignment. The polymer x2 maintains the alignment of the liquid crystal molecules in the initial state. The alignment film is exposed to UV rays through an optical mask having a slit so that the film is divided into two parts by one radiation.
Patent JP-2001343804-A (JP)
Title: Image forming device
Inventor: SAHASHI TOSHIRO
IPC: B41J29/00
Filed: 2000-06-01
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device where an operating part can be used again even when there are rapid technological innovations by focusing on the operating parts of a low speed type machine and a medium speed type machine. SOLUTION: In the image forming devices that are classified into the low speed machine type and the medium speed machine type according to the copying speed, an operating part 1 for the medium speed type machine that is provided with the same array of connector pins and the same number of the connector pins as the operating part 1 for the low speed machine type and that has the same exterior size and shape is attached to the low speed type machine.
Patent JP-2000354730-A (JP)
Title: Hollow fiber membrane type drier
Inventor: YAZAWA AKIRA
IPC: B01D53/26
Filed: 2000-06-02
Abstract: PROBLEM TO BE SOLVED: To provide a dry filter capable of performing efficient dehumidification by simplifying structure and also capable of reducing the cost and moreover capable of preventing the dew condensation of wet gas on the inner peripheral surface of a dryer case. SOLUTION: In the hollow fiber membrane type dryer provided with a hollow fiber membrane module 36 in the dryer case 31, a sticking part 33 of an adapter main body 32 is fixed to the dryer case 31, and a connecting port 38 connecting to an outlet side 37 of the hollow fiber membrane module 36 and an exhaust passage 39 for discharging the secondary side dry gas into the dryer case 31 from the connecting port 38 are formed at the adapter main body 32.
Patent JP-2001348392-A (JP)
Title: Method for producing asymmetrically cyanosilylated product by using composition for asymmetrical synthesis catalyst
Inventor: SHIBAZAKI MASAKATSU
IPC: C07B61/00
Filed: 2000-06-05
Abstract: PROBLEM TO BE SOLVED: To produce an asymmetrically cyanosilylated product by using a catalyst composition for an asymmetric synthesis without extention of the reaction time. SOLUTION: When carrying out the asymmetrical cyanosilylation reaction of an aldehyde with a trimethylsilylcyanide by using a conventional catalyst composition for the asymmetrical synthesis, the asymmetrical cyanosilylation product can be obtained in a short time in high isolation yield and asymmetrical yield by adding a proton source to the reaction system.
Patent JP-2001349594-A (JP)
Title: Air conditioning apparatus
Inventor: KAMIO MASAAKI
IPC: F24F11/02
Filed: 2000-06-06
Abstract: PROBLEM TO BE SOLVED: To provide an air conditioning apparatus capable of reducing noise, and preventing deterioration and troubles from happening, and further shortening accumulated actuation time within a predetermined period. SOLUTION: A cooling apparatus A is provided which includes a freezing cycle 10 where there can be cooled air in a building of a bureau, in which a heating radio apparatus is installed, a room temperature set switch for setting a target room temperature, a room temperature sensor 81, a refrigerant temperature sensor 82, a fresh air temperature sensor 83, and a control unit 8 in which once detected room temperature rises beyond (target room temperature and a differential value), it actuates the freezing cycle 10 while the detected room temperature lowers below the target room temperature, it interrupts the actuation of the freezing cycle 10. In the apparatus, the differential value is more increased as the set target room temperature becomes lower.
Patent JP-2001354044-A (JP)
Title: Differential lock device for self-advancing type roller
Inventor: TAKEUCHI HIROKAZU
IPC: F16H61/4192
Filed: 2000-06-09
Abstract: PROBLEM TO BE SOLVED: To prevent a roller from stopping not to travel, caused by a reason why all the fluid delivered from a pump flows to a motor on the slip side and why a driving wheel on the opposite side opposed to the slip side loses driving force, when a driving wheel attached to one side motor is slipped, in the case where two left and right hydraulic motors arranged in parallel to he one hydraulic pump are connected to the driving wheels of front or rear wheels to be used. SOLUTION: In a driving gear using the two left and right hydraulic motors 8a, 8b arranged in parallel with respect to the one hydraulic pump 1 to be connected via pipelines a1, a2, a differential lock mechanism provided with flow dividing valves 6a, 6b is provided on the respective left and right hydraulic pipelines a1, a2, advancing and retreating of the roller are detected, the flow dividing valves 6a, 6b are made to be interposed only in this side of the hydraulic motors 8a, 8b for driving in any case of the advancing or the retreating, and the hydraulic fluid is replenished from an auxiliary pump 2 even when the roller is not under a rectilinear condition, so as to escape from a travel- incapable condition.
Patent JP-2001064967-A (JP)
Title: Steel pipe bored precast pile and method for supporting the same
Inventor: IWAMOTO HIDEKAZU
IPC: E02D5/56
Filed: 2000-06-09
Abstract: PROBLEM TO BE SOLVED: To carry out excavation in a well-balanced manner to enhance the construction accuracy, to strongly support a steel pipe bored precast pile in the ground, and to increase the amount of construction works by using excavating vanes suitable for geological features, when the steel pipe bored precast pile is rotated to be buried in the ground. SOLUTION: A steel pipe bored precast pile 1 has a pile main body 2 having an opening at a lower edge thereof, and a pair of excavating blades 3 formed at the front end of the pile main body 2. The excavating blades 3 each have a spiral pile propeller vane 4 and an excavating vane 5 rigidly fixed to the front end of the pile propeller vane 4, and the blades 3 are formed at symmetrical positions with respect to an axial center of the pile main body 2. The excavating vanes 5, 5 are integrally formed via the body portion, and formed so as to taper down and to slant with respect to a front end surface 2a of the pile main body 2.
Patent JP-2001319915-A (JP)
Title: System and method for liquid treatment
Inventor: NAKAJIMA SATOSHI
IPC: H01L21/288
Filed: 2000-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a system and method for liquid treatment which has high area efficiency, can control the environment in the system and in each liquid treatment unit and can be easily maintained. SOLUTION: Each plating unit is covered with a closed housing, and a plating liquid atmosphere in each plating bath is enclosed to prevent the interference by a plating bath atmosphere of the adjacent plating units. The plating units are disposed in multiple stages around a main arm 35. The space in each treatment unit is divided into two sections. In the upper first section A, clean air is circulated and wafers W are carried in and out in the clean atmosphere. The plating bath exhausts the air from the lower second section B to prevent drops of a plating liquid from entering the first section A.  The plating closed units M1-M4 are disposed on the lower stage of a treatment space S inside a process station and units for after treatments, such as washing treatment units 70, which require a cleaner atmosphere are disposed on the upper stage side of the treatment space S, to increase the area efficiency and create and maintain a clean atmosphere.
Patent JP-2001353439-A (JP)
Title: Plasma assisted exhaust emission control device
Inventor: TAMURA YASUKI
IPC: B01J19/08
Filed: 2000-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a plasma assisted exhaust emission control device which is capable of suppressing electric power consumption, exhibiting a high cleaning effect and assuring sufficient durability. SOLUTION: Dielectric substances 5 are disposed between discharge electrodes and grounding electrodes. These dielectric substances 5 are so constituted as to have three-dimensional cell shapes interconnected with the spaces within cells 5. The discharge electrodes and the grounding electrodes are formed as systems opened from each other, by which the streamers from the discharge electrodes are continuously grown toward the grounding electrode side within the cells 5a without being shielded by the dielectric substances 5.
Patent JP-2002005320-A (JP)
Title: Pressure relief valve
Inventor: KUSHIDA TAKEO
IPC: F02M37/00
Filed: 2000-06-16
Abstract: PROBLEM TO BE SOLVED: To provide a pressure relief valve that has a simplified shape of spring seats 34 and 35, ensures stability of the operation of a valve spring 11 in a valve holder 31, is manufacturable at small cost and can be sized small. SOLUTION: The pressure relief valve with consideration given to a cupped shape of the spring seats 34 and 35 for the valve spring 11 has the valve spring 11 housed in the valve holder 31, the spring seats 34 and 35 in which the valve spring 11 is seated, a valve seat 32 fixed in the valve holder 31, and a valve element (ball valve 9) liftable from the valve seat 32 by fluid pressure against the energizing force of the valve spring 11. The spring seats 34 and 35 are cupped spring seats 34 and 35, and are slidably housed in the valve holder 31.
Patent JP-2002010481-A (JP)
Title: Protection system for power-receiving and distribution facilities
Inventor: TAKAHASHI TOMOE
IPC: H02H7/22
Filed: 2000-06-20
Abstract: PROBLEM TO BE SOLVED: To provide a protection system for the facilities using grid power together with private generator power, which reduces influence on the other systems, upon short-circuiting accidents. SOLUTION: The facilities using the grid power together with private generator power has a grid power bus connected to the grid power line through a first current limiter, a private power bus connected to the private power generator through a second current limiter and also connected to the above grid power bus through a third current limiter, a short-circuit accident detector to output information for showing an accident and its location upon detecting a short- circuit accident downstream of the grid power bus and the private power bus, and a control to send instruction signals to the first or second current limiter on the bus, having the accident including the third current limiter, after deciding which bus has the accident, depending on the information from the short-circuit accident detector.
Patent JP-2002002940-A (JP)
Title: Vibration feeder
Inventor: KOIZUMI KUNIO
IPC: B65G27/08
Filed: 2000-06-22
Abstract: PROBLEM TO BE SOLVED: To provide a minute vibration feeder simple in construction and easy to drive. SOLUTION: One plate spring 1 is bent at two places to form a feed portion 11 at the center and leg holding portions 2 at both ends. Driving devices such as piezoelectric driving devices 3 or electromagnetic driving devices 22 are provided at the feed portion 11 or the leg holding portions 2. The feed portion 11 has a sectionally bent or curved shape to provide greater bending rigidity in the feeding direction.
Patent JP-2002000795-A (JP)
Title: Game machine
Inventor: FUKUDA SADAO
IPC: A63F5/04
Filed: 2000-06-22
Abstract: PROBLEM TO BE SOLVED: To eliminate the problems of conventional game machines that, due to the use of LED's provided at an upper part of a case or lamps and LED's provided on a front surface panel to be lighted for displaying a state of the game machine or guiding display of a game operation, a large area is occupied in the front surface panel. SOLUTION: A light source control means is provided to control light emission of a start lever LED 39 provided inside a start lever 35, a state of this game machine is displayed by a light emitting mode of the stat lever 35 by this light source control means, and operation for a game is guided by display. The light source control means is composed of a microcomputer 70 and an LED drive circuit 83. Display by the light emitting mode of the start lever 35 is usable as replacement for a start lamp, a charged medal number display lamp, a WAIT lamp, or the like.
Patent JP-2002003570-A (JP)
Title: Epoxy resin and its production method
Inventor: SAIMURA FUMITAKA
IPC: C08G59/08
Filed: 2000-06-23
Abstract: PROBLEM TO BE SOLVED: To provide an epoxy resin having a narrow molecular weight distribution and excellent in fluidity and thermostability, and to provide its production method. SOLUTION: This epoxy resin is obtained by reacting a hydroxynaphthalene compound and an aromatic aldehyde compound in the presence of an alkaline catalyst and thereafter, carrying out epoxdation with epichlorohydrin.
Patent JP-2002012403-A (JP)
Title: Hydrogen recovery apparatus
Inventor: OKU MANABU
IPC: B01D69/10
Filed: 2000-06-27
Abstract: PROBLEM TO BE SOLVED: To provide a hydrogen recovery apparatus with superior durability by using ferrite type stainless steel with high temperature performance in a high temperature atmosphere of 600-900 deg.C as a substrate of forming hydrogen- permeating film. SOLUTION: A porous metal 3a is produced by forming multiple gas permeating apertures on a substrate made of ferrite type stainless steel with Cr content of 15 mass % or less and Ti and/or Nb content of (C+N)×8 or more. A hydrogen separating tube 3 is produced, by installing a hydrogen permeating film 3b outside the porous metal 3a. Multiple hydrogen separating tubes 3 are inserted between inside wall and outside wall of a double tube 2, and catalyst 4 is packed there. Hydrocarbon gas, sent through a nozzle 7, is heat-decomposed with combustion heat of fuel being injected into the inside of the double tube 2, and hydrogen generated is selectively permeated through the hydrogen permeating film 3b and taken out to the outside of the apparatus from an outlet 8.
Patent JP-2002007000-A (JP)
Title: Electronic equipment
Inventor: MORI SHINICHI
IPC: G11C5/14
Filed: 2000-06-27
Abstract: PROBLEM TO BE SOLVED: To make possible to keep data certainly when the supply of power from main power supply stops although a volatile memory is used to keep normal data. SOLUTION: A switch circuit 16 is provided to switch on or off the supply of power from a battery 12. Then, a CPU 1 transmits the image data stored in DRAM 3 to a flash memory 2 in order to save it, when the power supply from a main power supply 10 is stopped and the battery 12 becomes ready to supply power. And then, the CPU 1 switches off the switch circuit 16 and stops the supply of power from the battery 12.
Patent JP-2001068671-A (JP)
Title: Manufacture of transistor having elevated source and drain regions
Inventor: RI SEIKO
IPC: H01L21/205
Filed: 2000-06-29
Abstract: PROBLEM TO BE SOLVED: To reduce the size of facets respectively formed on the surfaces of epitaxial silicon films, and to efficiently suppress hot carriers to reduce a short- channel threshold rolloff, by a method wherein self-aligned epitaxial silicon slivers are respectively formed in undercuts. SOLUTION: Field oxide isolation structures 21 are formed in a silicon substrate 20. An ion implantation is performed in the substrate 20 at a low energy and regions 25 doped in an intermediate concentration are formed in the substrate 20 adjoining both side parts of a gate structure. Oxide films 26a and nitride films 26b are deposited on the upper part of the whole substrate 20 and double gate spacers 26 are formed. Lightly-doped silicon films 27 are formed on the substrate 20 using a low-pressure chemical vapor-phase deposition method and epitaxial layers are respectively grown selectively on the exposed parts of the substrate 20. At this time, since self-aligned epitaxial silicon silvers 29 are respectively grown in undercuts, the size of facets 28 which are respectively formed on the surfaces of the films 27 adjacent to the spacers 26 can be fully lessened.
Patent JP-2002022487-A (JP)
Title: Magnetic-type rotation angle detecting device
Inventor: ONO FUMIO
IPC: G01B7/30
Filed: 2000-07-03
Abstract: PROBLEM TO BE SOLVED: To facilitate adjusting work by partially arranging ferromagnetic bodies in the vicinity of a magnetoelectric converting device and avoiding the complication of a detected angle adjusting mechanism. SOLUTION: The magnetic-type rotation angle detecting device comprises both a permanent magnet rotor 1 which is polarized in such a way as to have multipolarity and in which the polarities of magnetic poles alternately change, and a Hall IC 2 as the magnetoelectric converting device to detect the magnetic field of the permanent magnet rotor 1. The ferromagnetic bodies 3 and 4 to change the direction of a magnetic flux from the permanent magnet rotor 1 are arranged on the opposite side of the Hall IC 2 to the permanent magnet rotor 1 to correct the detected angle of the magnetic poles by the Hall IC 2.
Patent JP-2002026453-A (JP)
Title: Ridge-waveguide semiconductor laser and method of manufacturing the same
Inventor: KADOWAKI TOMOKO
IPC: H01S5/22
Filed: 2000-07-03
Abstract: PROBLEM TO BE SOLVED: To provide an AlGaInAs-based high-performance, high-reliability, ridge-waveguide semiconductor laser and a method of manufacturing the same. SOLUTION: Since the upper face of a p-AlInAs clad layer 7 is directly covered by a p-InGaAsP etch-stopper layer 8, the p-AlInAs clad layer 7 is not exposed to atmospheric air during processing, therefore no reliability problem due to oxidation of the p-AlInAs clad layer 7 occurs. In addition, since the upper face of the p-AlInAs clad layer 7 is directly covered with the p-InGaAsP etch-stopper layer 8, the etching in forming the ridge can be stopped by the p-InGaAsP etch-stopper layer 8.
Patent JP-2002021385-A (JP)
Title: Portable terminal having master key function and electric lock for use therewith
Inventor: NAGASUGA TAKU
IPC: E05B47/00
Filed: 2000-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a portable terminal having a key function whereby different kinds of keys can be used for locking and unlocking. SOLUTION: The portable terminal 1 has a transmitting/receiving part 16 for communicating with a surveillance center 100; a display part 11 for displaying key data received by the transmitting/receiving part and transmitted from the surveillance center for locking or unlocking a lock; a storage part 15 for storing the key data received; a lock/unlock signal output part 17 for transmitting the key data to the lock; an operating part 12; and a control part 14 which, upon an input from the operating part, outputs to the display part or the lock/unlock signal output part the key data inputted from the transmitting/receiving part. The portable terminal 1 receives from the surveillance center the key data matching the lock to be operated, and the lock can be locked or unlocked using the key data.
Patent JP-2002019502-A (JP)
Title: Safety structure for child seat
Inventor: NAKAO KOJI
IPC: B60R22/26
Filed: 2000-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a safety structure for a child seat capable of solving the inconvenience in use of a conventional child seat to improve the functional convenience of the child seat. SOLUTION: This safety structure for the child seat comprises a seat cover 3 mounted on a seat of an automobile, a fixing member 1 mounted on at least a backrest part of the seat cover 3, and a holding member 2 for holding a child on the seat, and the holding member is fixed to the seat cover 3 through the fixing member 1. By utilizing the seat cover 3 covering the seat, a means for easily mounting the fixing member 2 to the seat can be provided.
Patent JP-2002027090-A (JP)
Title: Telephone set
Inventor: KUMAKURA MASUMI
IPC: H04M1/00
Filed: 2000-07-06
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive telephone set capable of smoothly controlling a receiving sound volume, an incoming sound volume and a monitor sound volume without using a display even when a volume control can be performed only by one key. SOLUTION: This telephone set has a volume control key 15 for controlling the sound volume, a receiving sound volume control circuit 19 for controlling the receiving sound volume, a monitor sound volume control circuit 24 for controlling the monitor sound volume, incoming sound volume control circuit 22 for controlling the incoming sound volume, and a microcomputer 28 for detecting the key operation of the volume control key 15, controlling the incoming sound volume control circuit 22 to control incoming sounds on the basis of the volume control key when a present operating state is a waiting state or incoming state,  controlling the receiving sound volume control circuit 19 to control receiving sounds on the basis of the volume control key when the present operating state is under handset speaking and controlling the monitor sound volume control circuit 24 to control monitor sounds on the basis of the volume control key when the present operating state is under speaker monitor functioning.
Patent JP-2002027361-A (JP)
Title: Image display device
Inventor: SHIMOSE HISATOSHI
IPC: F21Y101/00
Filed: 2000-07-10
Abstract: PROBLEM TO BE SOLVED: To provide an image display device wherein, even when a wall exists on the rear surface of a venthole, the wall is not discolored due to the light leaking from a light source, an exhaust capacity is not lowered by the clogged venthole and a noise level is lowered. SOLUTION: The image display device is composed of a light source lamp 1 which is attached to the inside of a concave mirror 2. The device is composed of an exhaust fan 7 which is used to remove the heat from the lamp 1. The device is composed of a back cover 9 which has the venthole 10. The device is composed of a light shielding panel 11. The device is constituted in such a way that the light leaking to the outside through the venthole 10 in the back cover 9 is shielded by the panel 11.