baber/WOPTO huggingface dataset:
Patent JP-2003261474-A (JP)
Title: Cyclic acetylene compound and method for producing the same
Inventor: ORITA AKIHIRO
IPC: H05B33/14
Filed: 2002-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a new cyclic acetylene compound applicable to a material for a display device, an optical film, and the like, to provide a method for producing the compound, and to obtain the material for the display device or the optical film each using the compound.  <P>SOLUTION: The cyclic acetylene compound is represented by formula (1), the method for producing the compound is provided, and the display device and the optical film each using the compound are provided. In formula (1), the ring C and the ring A are each a benzene ring; the ring D and the ring B are each a pyridine ring; the bracketed unit containing two rings C or rings A and the bracketed unit containing two rings D or rings B may be in any order; (s), (t), (n) and (p) are each an integer of 1-10; s+t=1 to 10; n+p=1 to 10; and X is represented by formula (2).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003261114-A (JP)
Title: Bag squeezing device in bag mouth binding and packaging machine, and method for squeezing bag
Inventor: HIRAMOTO SHINICHI
IPC: B65B51/08
Filed: 2002-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a squeezing device capable of squeezing a binding portion of a bag in a state particularly suitable for the binding.  <P>SOLUTION: In the squeezing device, upper side squeezing right and left arms 21 and 56 are paired, and they move to a squeezing position and approach each other to squeeze an upper position W1 of a mouth of a bag W. Lower side squeezing right and left arms 29 and 65 move to the squeezing position and squeeze the bag W at a position a little lower than the position W1. These arms move together to a binding position in the state of squeezing and holding the bag. During the movement, the lower side squeezing right and left arms swing, and their respective claws 29b and 69 are moved to a lower position W2. By this operation, the portion between the positions W1 and W2 is kept in a squeezed state suitable for the binding.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002368213-A (JP)
Title: Manufacturing method for semiconductor device
Inventor: KOBAYASHI HIROBUMI
IPC: H01L29/423
Filed: 2002-03-07
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method for a semiconductor device which can reduce the variance of a gate electrode in size. SOLUTION: On an Si substrate 11, a gate oxide film 12 is formed, as shown by Fig. (a), and a polysilicon layer 13 is formed thereupon. After phosphorus is diffused in the polysilicon layer 13, a natural oxide film 14 is formed over the whole polysilicon layer 13 to arbitrary film thickness before a next resist layer is applied. Here, the natural oxide film 14 on the polysilicon layer 13 is removed, by DHF cleaning (with diluted HF), as shown in Fig. (b). Then a resist layer 15 is applied onto the polysilicon layer 13 and patterned, and dry etching is carried out, by using the resist layer 15 as a mask to form a polysilicon gate electrode G.
Patent JP-2003274404-A (JP)
Title: Block noise eliminating apparatus
Inventor: AMANO RYUHEI
IPC: H04N19/86
Filed: 2002-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a block noise eliminating apparatus capable of eliminating a block noise.  <P>SOLUTION: The block noise eliminating apparatus is provided with a peripheral pixel information generating means for acquiring a pixel value of each pixel in a reference pixel region from a digital signal after analog/digital conversion and calculating a difference absolute value among the pixels adjacent to each other in a horizontal direction in the reference pixel region; a block border discrimination means for discriminating whether or not a border position between a target pixel and an adjacent pixel at a predetermined side in left and right sides with respect to the target pixel on the basis of each difference absolute value; and a pixel value correction means for correcting the pixel value of a prescribed number of the correction object pixels around the border position on a horizontal line including the target pixel on the basis of the difference absolute value between the target pixel and the adjacent pixel and the magnitude relation of the pixel values when the border position is discriminated to be the block border.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003263042-A (JP)
Title: Image forming apparatus
Inventor: OBA KEISUKE
IPC: G03G21/00
Filed: 2002-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus in which such a paper hardly separable can easily be separated that a recycled paper which has tendency to curl and is hardly separable from a photoreceptor and also a paper for color copy whose resistance is high and which is hardly separable.  <P>SOLUTION: A transfer current applied to a transfer charger is controlled at two levels of a first current A21 and a second current A22. The first relatively low current A21 is applied (refer to (c) in figure 2) corresponding to the top end area (area for instance to 7 mm from top end) of the paper, so that a negative electric charge charged to the top end area of the paper is reduced. Force by which the top end area of the paper is attracted by the photoreceptor is weakened, so that the top end of the paper is easily separated from the photoreceptor. It is returned to the second current A22 relatively high in a remaining area, so that normal transfer performance is secured.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003267657-A (JP)
Title: Balustrade device of escalator
Inventor: MURATA SHIGERU
IPC: B66B23/22
Filed: 2002-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a balustrade device of an escalator capable of facilitating work to be involved in connection and disconnection of a handrail arranged in a main frame at the time of the renewal work of the handrail.  <P>SOLUTION: A balustrade 2 is erected on an edge part of the main frame 1 in the cross direction equipped with a number of footsteps 14 to circularly move by connecting them to each other and forming steps between them. Additionally, an upper side skirt guard plate 16 is provided on the upper side on a base part of the balustrade 2 facing against side surfaces of the footsteps 14, and a lower side skirt guard plate 19 is provided on the lower side of the upper side skirt guard plate 16. Thereafter, the upper side skirt guard plate 16 is removed at the time of the renewal work of the handrail 8, and the handrail 8 is exchanged through a clearance between an upper side fitting 10 of the main frame 1 and the footsteps 14. Consequently, it is possible to reduce overlapped dimensions of the upper side skirt guard plate 16 and the side surfaces of the footsteps 14 and facilitate connection and disconnection of it, to prevent a damage due to contact with the footsteps 14 and to shorten connection and disconnection work time.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003274665-A (JP)
Title: Pwm controller
Inventor: TOKAWA KOJI
IPC: H02M7/48
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that since a conventional PWM controller for outputting an arbitrary voltage samples and holds a voltage command at each carrier period, a mistake of a voltage output is large, and if a voltage command frequency is near a carrier frequency, the mistake of the voltage output is particularly large.  <P>SOLUTION: A voltage command controller 11 outputs twice a voltage command signal 9 during one period of the carrier signal 6, and the signal 9 is held between a lowest point of the signal 6 to a highest point and the highest point to the lowest point. A PWM control unit 5 inputs the signal 6 and the signal 9 held for a half period, compares in amplitude both the inputs, and outputs a PWM signal 10. A drive control unit 23 inputs the signal 10 and operates to turn on, off an inverter 21.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003266340-A (JP)
Title: Leg type moving robot
Inventor: MORI NAOTO
IPC: B25J5/00
Filed: 2002-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an excellent leg type moving robot constituted that moving legs are coupled to a body.  <P>SOLUTION: A handle is situated at an upper end of the rear of a body. During walking, a leg type work, and reckless walking, an operator chases a robot from the rear of a machine and easily catches the robot by grasping the handle. Further, even when foot parts and arm parts effect reckless motion during operation of the handle, there is no worry that a injury is inflicted on the arm of the operator grasping the robot arm. Further, the grasping part of the handle is combined with an emergency stop mechanism, it is detected that the operator grasps the handle, the joint actuators of a whole body are decreased in a power.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003272472-A (JP)
Title: Push type switch
Inventor: NINOMIYA NOBUYUKI
IPC: H01H13/20
Filed: 2002-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive push type switch being compact in the direction of moving of an operation member and achieving satisfactory productivity.  <P>SOLUTION: In this push type switch, it can be miniaturized in the direction of moving of the operation member 4 because a first contact part 5g and a second contact part 5h of a movable contact 5 move in the direction in which a fixed contact 2 is extended. Since the first and second contact parts 5g, 5h escape upward from the fixed contact 2, a withstand voltage can be increased when compared with a conventional case where the contact parts escape between two fixed contacts 2. Moreover, a conventional slide body becomes unnecessary to provide inexpensive and compact push type switch capable of reducing the number of parts and achieving satisfactory productivity.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003276741-A (JP)
Title: Self-supportable bag and its manufacturing method
Inventor: IKEDA KAZUHIRO
IPC: B65D33/38
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a self-supportable bag which functions as a self-supportable packaging bag in use since the bag shows excellent self-supportability in spite of its flexibility, satisfies its self-supportability until the content is used up even if it has a closure portion, and which can be small-sized for disposal after use and shows excellent attachment strength of the closure portion.  <P>SOLUTION: The self-supportable bag 1 is equipped with the closure portion 3 arranged on the upper portion of the bag main body 2 having side surface films 2c and 2c and a bottom surface film 2d folded in a reverse V-letter shape in the bottom portion and an approximately reverse concave frame 4 having the closure portion 3 formed into one body is attached to a portion from the upper edge margin 2b to both the side edge margins 2a and 2a of the bag main body 2 having a hot melt-bonded portion formed by hot melt-bonding the lower edge margin of the bag main body 2 and at least a part of the side edge margin where the bottom surface film 2d exists so that at least the bottom surface film 2d is fixed to the side surface films 2c and 2c.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002369446-A (JP)
Title: Disk drive
Inventor: ARAI KATSUTOSHI
IPC: H02K7/09
Filed: 2002-03-20
Abstract: PROBLEM TO BE SOLVED: To provide a bearing unit, having higher rigidity of bearing and ensuring low loss, higher impact resistance and moreover superior in mass productivity, and to provide a high reliability disk drive. SOLUTION: A plurality of radial bearings which include dynamic-pressure multiple arc bearing are engaged with a non-magnetic bearing housing, a rotary shaft is supported at higher accuracy with the dynamic-pressure multiple arc bearing via lubrication fluid between the rotary shaft and the radial bearings and the bearing surface having arc diameter, concentric with the bearing center is provided within the bearing unit. Thereby, the impact load to be applied to the disk drive from external side is received with a part which is in surface- contact with the rotary shaft.
Patent JP-2003284170-A (JP)
Title: Radio wave remote control system
Inventor: YAMANAKA SHOKI
IPC: H04N5/00
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a radio wave remote control system wherein one remote controller (remote control apparatus) can automatically recognize operative electric apparatuses among a plurality of radio wave apparatuses so as to control the electric apparatuses in response to them.  <P>SOLUTION: In the radio wave remote control system wherein the remote control apparatus 10 remotely controls the electric apparatus 20 through two-way wireless communication between the remote control apparatus 20 and the electric apparatus 10, the electric apparatus 20 is provided with a transmission section 23 for modulating an electric apparatus recognition code with a radio wave and transmitting the radio wave, and the remote control apparatus 10 is provided with: a reception section 3 for receiving the radio wave; a reception power measurement section 4 for measuring the strength of the received radio wave; a transmission power reference section 5 for referencing the transmission power of the radio wave sent from the electric apparatus registered and stored in advance on the basis of the electric apparatus recognition code; a distance calculation section 6 for calculating the distance between the electric apparatus and the remote control apparatus on the basis of the reception strength of the reception power measurement section 4 and the transmission strength of the transmission power reference section 5; an object apparatus selection section 7 for selecting an operable electric apparatus on the basis of the distance output; and an operation signal generating section 8 for generating an operation signal corresponding to the selected electric apparatus.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003276591-A (JP)
Title: Controller of air compressor
Inventor: OKUYAMA HIROKAZU
IPC: B60T17/02
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To prevent pressure shortage in an air tank and to improve fuel economy by switching an air compressor to a load state according to the state of a vehicle or a path.  <P>SOLUTION: The air tank 11 is connected to a discharge port of the air compressor 12 for compressing air. An unload valve 27 switches the air compressor 12 to an unload state when the pressure in the air tank 11 rises to a first predetermined pressure and switches the air compressor 12 to a load state when the pressure in the air tank 11 drops to a second predetermined pressure lower than the first predetermined pressure. A switching valve 26 which can switch the air compressor 12 to the load state by making the unload valve 27 to communicate to an atmospheric air regardless of the pressure in the air tank 11 is provided at a passage 23 connecting the air tank 11 to the unload valve 27. A controller 47 controls the switching valve 26 based on as detection output of a state sensor 41 for detecting the state of the vehicle or the path.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003277807-A (JP)
Title: Method for manufacturing supper hard alloy oil hole drill, and supper hard alloy oil hole drill
Inventor: HASEGAWA AKIHIRO
IPC: B22F3/02
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a supper hard alloy oil hole drill using extrusion without high load to an extruder.  <P>SOLUTION: In the method for manufacturing the supper hard alloy oil hole drill in which a tip side of a substantially multi-staged columnar drill body 5 around the axis O forms a cutting blade part 6 formed of supper hard alloy, a cutting blade 7 of the outside diameter less than 1 mm is formed on the tip, a back end side forms a shank part 4 of the diameter larger than the outside diameter of the cutting blade 7, and an oil hole 3 twisted around the axis O from the shank part 4 to the tip of the cutting blade part 6 is formed in the drill body 5, the drill body 5 is formed by forming a substantially cylindrical shank member 2 of the inside diameter of ≥1 mm to <2 mm to form an outer circumferential part of the shank part 4, and a supper hard alloy cutting blade member 1 having the oil hole 3 with the tip part forming the cutting blade part 6, and inserting a rear end part of the cutting blade member 1 in an inner circumferential part of the shank member 2, and joining the rear end part therewith.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003275314-A (JP)
Title: Oxygen enrichment membrane apparatus
Inventor: SHONO NOBUHIRO
IPC: A61M16/10
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To solve the following problems with the conventional apparatus; a sterilizing agent is disposed on the tube wall in an oxygen enrichment route but only the sterilizing power on the surface can be expected with this agent; for example, when the corpses or the like of bacteria deposit on the surface, the sterilizing power of the sterilizing agent of the tube wall does not effect onto the deposits and the bacteria are extremely liable to be propagated by the same coupled by the remaining moisture and the interior of the tube is a hotbed for the bacteria upon lapse of many years.  <P>SOLUTION: The oxygen enrichment apparatus has an oxygen enrichment membrane module which has a permeable membrane allowing easier permeation of oxygen than nitrogen and a vacuum pump which obtains oxygen enriched air through the permselective membrane from atmospheric air by reducing the pressure in the oxygen enrichment membrane module and forcibly feeds the oxygen enriched air toward a spout. The pipeline between the oxygen enrichment membrane module and the vacuum pump is provided with changeover means for changing over the oxygen enriched air from the oxygen enrichment membrane module and the external air and supplying the air to the vacuum pump and sterilizing means. The sterilizing agent obtained from the sterilizing means is supplied to the route for the oxygen enriched air.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003282854-A (JP)
Title: Optical sensor element, optical sensor device and its driving method
Inventor: HIRAI KATSURA
IPC: H01L31/08
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new optical sensor element and device at lower cost and high sensitivity with an easy matrix control by a simple manufacturing method.  <P>SOLUTION: The optical sensor element has, on a support, a gate electrode, a source electrode and a drain electrode which are positioned through an insulating layer with respect to the gate electrode and are connected to each other by an organic semiconductor layer, and an electric charge generation layer positioned opposite to the insulating layer on a side of the source electrode and the drain electrode.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003285251-A (JP)
Title: Pipe inner face grinding method and related equipment
Inventor: YOSHINAGA TAIJI
IPC: B24B5/40
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a pipe inner face grinding equipment capable of generating constantly uniform and stabilized grinding pressure in accordance with minor irregularities of a lining surface that cannot be completely eliminated by means of large-diameter grinding tools use for the entire length of pipes, such as minor ups and downs in the surface close to both ends of mortar lining applied to the internal face of a cast iron pipe.  <P>SOLUTION: As a grinding unit horizontally supported by a roller R and revolved to conduct grinding while being inserted into a cast iron pipe P, the equipment is composed as follows: A grinding tool 1 having a grinding stone 1b, attached to the tip of its horizontal rotation axis 1a, is fitted to a horizontal support member 3, consisting of an L-shaped support frame which is attached to a slider 2a of a guidance mechanism designed to conduct upward and downward guidance; the other end of the horizontal support member 3 is supported by a repulsion cylinder 5; these members are composed on a transfer table 6; a pressure reducing valve is formed in a pipe system designed to provide compressed air to the repulsion cylinder 5, and a pressure above a specified level is adjusted by discharging the incremental portion of the pressure through the pressure reducing valve; and it is made possible to carry out grinding of minor surface irregularities, using a grinding stone 1b that can perform sufficient grinding of small ups and downs of the grinding target surface.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003279789-A (JP)
Title: Optical fiber holder and optical fiber end part processing device
Inventor: TAKAHASHI KENJI
IPC: H02G15/08
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical fiber end part processing device which removes a covering material from the end part of an optical fiber, and which can easily conduct automatic positioning for conveyance to an optical fiber holder which holds the optical fiber at the time of end part processing such as disconnection, fusion splicing or the like of the end part of the optical fiber, and to a plurality of number of end part processing stations to conduct the end part processing of the optical fiber.  <P>SOLUTION: This device has a positioning ditch 5 for an optical fiber positioning. It also has the first end part processing station 57 to conduct the first processing of the end part of an optical fiber 3 which is held at an optical fiber holder 21 which is provided with a fiber securing means 7 which can freely secure the optical fiber 3 integrally, the second end part processing station 59 which conducts the second processing of the end part of the optical fiber 3, and the third end part processing station 61 which conducts the third processing adjacently to one another. It also has an automatic conveyance device which sequentially conveys the optical fiber holder 21 from the first end part processing station 57 to the third end part processing station 61.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282506-A (JP)
Title: Substrate polishing equipment and conditioning method
Inventor: SASAKI TATSUYA
IPC: B24B53/017
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide polishing equipment which finely activates a polishing surface, and a conditioning method.  <P>SOLUTION: Conditioning equipment 22 and conditioning-setting equipment 24 are installed. The conditioning equipment 22 is forcibly brought into contact with a surface to be polished, approaches the polishing surface 12 whose surface is polished, and the polishing surface 12 is activated by using a plurality of ultrasonic vibrators 20 which are arranged in parallel in the radial direction at a part between the rotational central part 16 of the polishing surface 12 and its outer periphery 18. In the conditioning setting equipment 24, each vibration output or each vibration frequency of the ultrasonic vibrators 20 is set individually corresponding to the profile of the surface to be polished.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003126119-A (JP)
Title: Denture and representation sheet therefor
Inventor: KOBAYASHI TAKASHI
IPC: A61C13/007
Filed: 2002-03-27
Abstract: PROBLEM TO BE SOLVED: To sanitarily represent various pieces of information associated with the gingival portion of a denture without any appearance for physical incompatibility. SOLUTION: A representation part 7 is provided in the inside of the gingival portion 2B of a denture 1. Cold-curing (room-temperature hardening) resin 15 is applied onto a recessed part 2a provided in the gingival portion 2B, a representation part 7 is transferred to the cold-curing resin 15 and a coating layer 16 is provided over the representation part 7. The representation part 7 represents letters and the like comprising a layer 10d with metallic color or a hologram layer 11d. Alternatively, a representation sheet 5 on which the representation part 7 is formed on one side of a base member 31 or on which the representation part 7 is formed between a pair of transparent basic members 41, 42 may be embedded in the gingival portion 2B.