baber/WOPTO huggingface dataset:
Patent JP-2002072030-A (JP)
Title: System containing optical semiconuctor waveguide device
Inventor: YONGQIN CHEN
IPC: H04B10/43
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To provide an improved optical communication system suitable for use for a short distance, e.g. use for transmission over a distance less than 100 km such as inter-city communications. SOLUTION: The system uses an external cavity laser that consists of a gain medium including an active area, a beam expansion area and an antireflection layer, an optical waveguide that is disposed adjacently to the gain medium, and a Bragg grating that is integrated or coupled with the optical waveguide. The medium and the optical waveguide show a coupling efficiency of at least 40% even in the absence of coupling with an optical system and desirably at least 50% by the beam expansion area, while the laser is designed to operate to emit at least two modes.
Patent JP-2003015495-A (JP)
Title: Cleaning device, process cartridge and image forming device
Inventor: IWASAKI OSAMU
IPC: G03G21/10
Filed: 2001-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a brush scarper consisting of a flexible sheet bringing stable scraper performance for a brush roller for a long time with simple constitution, to provide a cleaning device having stable cleaning characteristic over a long term, and to provide a process cartridge equipped with the cleaning device and an image forming device equipped with the cleaning device. SOLUTION: This cleaning device is equipped with a cleaning blade, the brush roller arranged so as to abut on an electrophotographic photoreceptor drum on the upstream side of the cleaning blade and the brush scraper as a brush roller scraper means for removing toner from the brush roller as a cleaning means for removing the toner from the electrophotographic photoreceptor drum. The direction of the brush abutting end of the scraper abutting on the brush of the brush roller is opposed to the rotating direction of the brush roller. Then, the flexible brush abutting end has circular shape.
Patent JP-2002370206-A (JP)
Title: Method and apparatus for working timber
Inventor: NAKAI TORANOSUKE
IPC: B27C1/08
Filed: 2001-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for working timber wherein a building timber of high quality such as a beam material, a square timber, a flatly cut timber and the like is manufactured at a low cost from a curved round timber. SOLUTION: A first process wherein both sides crossing at right angles a curved direction are substantially uniformly cut off from a curved log timer 11 bent in one direction to form a curved drum timber 13 of a drum shape in section; a second process wherein a profile of the curved drum timber 13 of seeing the curved drum timber 13 from up by making one side plane part 48 of the curved drum timber 13 down is measured and its numerical value data is stored;  and a third process wherein a cutting off process of a specific part of the curved drum timber 13 is carried out to obtain a building material 19 by passing the curved drum timber 13 arranged by making one side plane part 48 down through a both faces cutter 17 which is equipped with rotary edges 69 and 70 arranged as a pair on its both sides and capable of being moved by adjusting in a width direction of the curved drum timber 13 and the moved distance in the width direction of the rotary edges 69 and 70 are controlled by the numerical value data, are provided.
Patent JP-2003020513-A (JP)
Title: Full-faced type helmet for riding vehicle
Inventor: TANAKA HARUO
IPC: A42B3/04
Filed: 2001-07-03
Abstract: PROBLEM TO BE SOLVED: To prevent the clouding of the inner surface of a shielding plate by effectively taking out exhaled air of a user to the lower side of a chin- covering part by a simple structure without deteriorating the strength of the chin-covering part in a full-faced type helmet for riding a vehicle. SOLUTION: This full-faced type helmet for riding the vehicle is provided with the chin-covering part 1a dividing a respiratory space 3 of the user in a hat body 1. The lower edge 10 of the chin-covering part 1a is formed so as to be directed upward at the rear in a state of using the hat body 1. Raised parts 12 continuous to the lower edge 10 are formed on both left and right outer sides of the chin-covering part 1a. A negative pressure is produced in the lower part of the chin-covering part 1a by making a running wind W to pass over outer surfaces of the raised parts 12 and to cross the lower edge 10. Thereby, the exhaled air B of the user in the respiratory space 3 is taken out to the lower side of the chin-covering part 1a.
Patent JP-2003012849-A (JP)
Title: Porous material including active carbon
Inventor: IMAI TAKASHI
IPC: C08J9/24
Filed: 2001-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a porous material, excellent in treatment and suitable for in a treatment step by an active carbon. SOLUTION: The active carbon of 80-1 wt.%, having an average diameter of 0.1-300 μm, and at least one polyethylene of 20-99 wt.%, having a melt index of 3 g/10 min or below and a yield value of 0.7 N/mm<2> or below and the average diameter of 100-300 μm, are adhered to form the porous material.
Patent JP-2003018480-A (JP)
Title: Video wireless transmitter, video wireless receiver and video wireless transmission reception system
Inventor: ITAGAKI KENJI
IPC: H04N5/44
Filed: 2001-07-04
Abstract: PROBLEM TO BE SOLVED: To provide a video wireless transmission reception system that can excellently transmit and receive video and audio by preventing missing of a communication signal and deterioration in an error rate. SOLUTION: A high frequency transmission circuit section 14 is placed closely to a 1st side 30a, a transmitter side control circuit section 15 is placed closely to both of a 2nd side 30b and a 4th side 30d, and a video signal analog/digital conversion circuit section 11 is placed closely to both of a 3rd side 30c and a 4th side 30d on one side of a printed circuit board 30.  Further, a transmission signal processing circuit section 13 is placed closely to the 1st side 30a, a transmitter side reference signal generating circuit section 16 is placed to one corner clamped by the 2nd side 30b and the 4th side 30d, and a transmitter side power supply circuit section 17 is placed to a corner clamped by the 3rd side 30c and the 4th side 30d on the other side of the printed circuit board 30, and an audio signal analog/digital conversion circuit section 12 is placed closely to the 4th side 30d clamped between the transmitter side reference signal generating circuit section 16 and the transmitter side power supply circuit section 17.
Patent JP-2003014960-A (JP)
Title: Waveguide type optical signal processing circuit
Inventor: KITO TSUTOMU
IPC: G02B6/12
Filed: 2001-07-04
Abstract: PROBLEM TO BE SOLVED: To decrease the influence of miniaturization of a circuit size and a production error and to obtain a high yield. SOLUTION: An optical signal which is made incident from an input waveguide 303 to the circuit, passes through an optical coupler 301a, a delay circuit 302a, an optical coupler 301b, a delay circuit 302b, optical coupler 301c, a delay circuit 302c, an optical coupler 301d, a delay circuit 302d and an optical coupler 301e, propagates while rotating counterclockwise from the outside to the inside of the circuit and propagates from the inside to the outside of the circuit after passing through an inflexion point 305 in the central part of the circuit and is made emitted from an output waveguide 304. Thus, an integration is realized at an interval that an arm of the delay circuit and the optical coupler are not connected and a miniaturization is possible in comparison to a conventional technology.
Patent JP-2003021696-A (JP)
Title: Clean hot cell for synthesizing radioactive medicine, and disposition structure therefor
Inventor: SUZUKI KAZUTOSHI
IPC: G21F7/015
Filed: 2001-07-05
Abstract: PROBLEM TO BE SOLVED: To keep cleanness in a shielded chamber in a hot cell by negative pressure/positive pressure control inside, and keep cleanness by disposing a number of hot cells in a U-shape, and forming a door in an interface area. SOLUTION: In this clean hot cell for synthesizing radioactive medicine, and a group of the hot cells for radioactive medicine, the shielded chamber 3 in the hot cell 1 is controlled to have a positive pressure or a negative pressure inside to keep cleanness, or the hot cells 1 are disposed in the U-shape to provide the interface area 30 to keep cleanness in each hot cell 1 during work.
Patent JP-2003019853-A (JP)
Title: Method and machine for printing electrode pattern by offset printing method
Inventor: KAMIYOSHIYA MASAYUKI
IPC: H05K3/12
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To provide a method for printing an electrode pattern by an offset printing method which can form a printed pattern without pinholes and a machine for the method. SOLUTION: The printing machine having a squeezing device is used, and only a solid pattern-printed part is squeezed to eliminate pinholes generated in a solid part.
Patent JP-2003019314-A (JP)
Title: Game machine
Inventor: NAKAMURA MAKOTO
IPC: A63F7/02
Filed: 2001-07-06
Abstract: PROBLEM TO BE SOLVED: To solve such a problem that it is difficult to make a player feel attractive to play which giving a strong impact to the player by dramatically changing the dimension of a liquid crystal display and the number of prize- winning accessory because the dimension of a game area is fixed. SOLUTION: A main body frame 2000 hung at an L-frame game machine has a large game panel 3000 having a 476 mm height and a 451 mm right/left width fitted to its upper part, and has a channel panel 5000 fitted to its lower part. Thus, it is possible to give a strong impact to the player by expanding the game area formed on the game panel 3000. Since a channel is formed at the main body frame 2000 by the channel panel 5000, it is possible to secure a free space for arranging a control substrate on the side of the back surface of the main body frame 2000.
Patent JP-2002363932-A (JP)
Title: Transfer type reflection material for road surface marker
Inventor: NISHIKAWA SUSUMU
IPC: E01F9/576
Filed: 2001-06-05
Abstract: PROBLEM TO BE SOLVED: To provide transfer type reflection material for an all weather type road surface marker which has sufficient reflection brightness to light beams of headlights incidental at a large angle, and which functions even in rain. SOLUTION: Glass beads of a relatively large diameter (with a refraction factor of 1.85-2.2) are embedded in a sheet type temporary support body in such a way that their hemispheres are exposed. A retroreflective layer is provided on the exposed hemispheres to provide this transfer type reflection material for a road surface marker.
Patent JP-2003020724-A (JP)
Title: Joining device of column and horizontal member
Inventor: SHIMADA SHUNICHI
IPC: E04B1/26
Filed: 2001-07-10
Abstract: PROBLEM TO BE SOLVED: To provide a joining device having strength without producing mutual rotation of a column and a horizontal member like the conventional tenon joint. SOLUTION: A bolt lever 3 of a bolt fitting 1A protruding the bolt lever 3 on a metal board 2 is penetrated in a joining board 8 of a joining hardware 7 through the horizontal member 4, and a nut 11 is screwed and tightened on the edge protruded from the joining board 8 to fix the joining hardware 7 on the horizontal member 4. A joining plate 12 protruded from the horizontal member 4 of the joining hardware 7 constituted to protrude the joining plate 12 to the joining board 8 is fitted to and inserted in a slit 15 provided on the upper face of a column 14 through the nut 11 and fixed on the column 14 with a drift pin 20 fitted and inserted from the outside of the column 14.
Patent JP-2003029197-A (JP)
Title: Scanning image observation device
Inventor: YAMAMOTO AKIRA
IPC: G02B25/00
Filed: 2001-07-12
Abstract: PROBLEM TO BE SOLVED: To provide a scanning image observation device, which enables an observer to observe a bright image by an eyepiece optical system without using a two-dimensional display panel. SOLUTION: A light beam 11, emitted from a light source 3, is converted into a converged light beam by a converging optical system (collimating optical system) 4 and is made incident on a scanning optical system arranged in the vicinity of its focus. The light beam 11 reflected and deflected by the scanning optical system is made incident on a collimator lens 6 as a diffused light beam and is converted into a beam of approximately parallel rays, and is made incident on a microlens array 7, to form an image of the light source in the vicinity of its focus. When the light beam 11 scans in the scanning optical system 5, the position of an image point, formed in the microlens array 7, is scanned to form an aerial image panel 8 in the vicinity of the focus of the microlens array.  The scanning optical system 5 perform two-dimensional scanning, and the aerial image paned 18 is formed in two-dimensional shape. An observer 10 will observe the image on a two-dimensionally formed aerial image panel 8 as an aerial image by an eyepiece optical system 9.
Patent JP-2003025378-A (JP)
Title: Fixed mold support device for injection molding machine
Inventor: TAKANOHASHI RYUICHI
IPC: B29C45/17
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a fixed mold support device constituted so that the attaching surface of a fixed platen is extended toward an injection device and the extended part is fixed to a frame by bolts to prevent the inclination of the fixed platen, without adding a member such as a support or the like to the frame and the attaching/detaching work of the fixed platen can be easily performed. SOLUTION: The fixed mold support device has a fixed mold support main body part 23 equipped with a mold attaching surface having a fixed mold attached thereto, and the back surface 13 on the side opposite to the mold attaching surface; and the attaching parts 15 attached to the molding machine frames respectively formed to the lower end of the fixed mold support main body part 23 on both sides thereof. Each of the attaching parts 15 is equipped with the main body part 15b corresponding to the area between the mold attaching surface and the back surface 13, the extended part 15a projected from the back surface 13 and the bolt holes formed to the extended part 15a and attached to each of the molding machine frames by the bolts inserted in the bolt holes.
Patent JP-2003024964-A (JP)
Title: Wastewater treatment unit and apparatus provided with the same
Inventor: YAFUJI SHOJI
IPC: C02F3/08
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a wastewater treatment unit which can be filled with approximately ball-shaped pieces of a microorganism-adherent material simply and regularly to facilitate the cleaning of the material and treat wastewater efficiently. SOLUTION: The wastewater treatment unit is provided with the approximately ball-shaped pieces of the microorganism-adherent material having through- holes at least in one direction, shafts each of which penetrates the through-holes of a prescribed number of the pieces to support them rotatably, and a frame body which supports the shafts and makes the pieces be arranged in a block shape in wastewater. The wastewater is treated by microorganisms adherent to the material.
Patent JP-2002100839-A (JP)
Title: Semiconductor light-emitting element and semiconductor laser
Inventor: TANABE TETSUHIRO
IPC: H01L21/205
Filed: 2001-07-13
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor laser having a structure, in which a nitride compound semiconductor is grown having planarity on a sapphire substrate, and the semiconductor light-emitting element and the sapphire substrate with superior luminescent properties are off-angles to improve the planarity, while a cleavage plane is formed neatly. SOLUTION: When a nitride compound semiconductor laminated part is formed on the sapphire substrate for composing a luminescent layer formation part, angle θ is 0.2 deg.<=θ= θa2+θm2}1/2<=0.3 deg., where θa is the angle of inclination of the sapphire substrate as for an A axis and θm is an angle inclined as for a M axis. An off-angle has an inclination concerning the A axis or the M axis, so that a relation of 0 deg.<=θa and θm<=0.3 deg. is held. The nitride compound semiconductors are laminated on the off-angled surface of a C face.
Patent JP-2003027966-A (JP)
Title: Fuel injection control device
Inventor: SAKAGUCHI HISAYUKI
IPC: F02D1/02
Filed: 2001-07-16
Abstract: PROBLEM TO BE SOLVED: To solve a problem that the proper operation can not be performed with a conventional predetermined fuel supply amount for a cold engine because of the shortage of an engine speed. SOLUTION: In an engine provided with a mechanism for limiting the fuel supply rate by controlling the rotation of a governor lever 30 of a governor 11 by a limiter, the limiter is attached to a side face of the engine, the limiter is composed of a thermal expansion body 40, the thermal expansion body 40 is composed of an expanding body 42 and sliding bodies 44, 46 accommodated in a case 41, and slide limiters 48, 49 for the sliders, the thermal expansion body is composed of a wax, and the slide limiters are composed of springs. Further the governor lever 30 is composed of a first rotating body 31 and a second rotating body 32, the first rotating body is mounted between a control lever 16 of the governor and a fuel injection pump 12, the second rotating body is provided with a control part 33b for control the rotation of the first rotary body, and its rotation is limited by the limiter.
Patent JP-2003032265-A (JP)
Title: Radio transmitting device and radio transmitting method
Inventor: FUKAMI TADASHI
IPC: H04L12/28
Filed: 2001-07-16
Abstract: PROBLEM TO BE SOLVED: To improve versatility with respect to the variety of uses, to conserve energy and to reduce cost. SOLUTION: A base-band control part 2 is formed of one integrated circuit (LSI) and incorporates a CPU for realizing a prescribed transmission profile and at least one application profile (AV profile, for example). Data by the AV profile can be transmitted only by the integrated circuit. For realizing head set profile, the desired profile is loaded on an external CPU 4. The transmission profile is performed in the base-band control part 2 and the AV profile and the head set profile are performed in the external CPU 4. They are switched and used by the HCI interface of the incorporated CPU of the base band control part 2.
Patent JP-2003024607-A (JP)
Title: Game system
Inventor: MURATA KENICHI
IPC: A63F7/02
Filed: 2001-07-16
Abstract: PROBLEM TO BE SOLVED: To smoothly perform ball supply or ball circulation by adjusting and controlling the inclination angle of a complementary trough. SOLUTION: A CPU 1200 finds a total number of out balls discharged from an out hole 114 of each of game machines 3000a-3000h and a vertical movement control mechanism 2300 is driven and controlled into an inclination angle corresponding to this total number of out balls. Therefore, with increase in the total number of out balls, complementing and circulating speeds are accelerated so that smooth ball complementing operation can be performed.
Patent JP-2003027657-A (JP)
Title: Concrete panel
Inventor: YAMAZAKI SHIYOUGO
IPC: E04C2/04
Filed: 2001-07-17
Abstract: PROBLEM TO BE SOLVED: To provide a concrete panel which has a decorative laminate such as a slate stuck to a surface thereof, where the entire weight of the concrete panel is reduced and manufacturing cost thereof is reduced. SOLUTION: The decorative laminate, such as the slate has a plurality of cut grooves which are formed in a rear surface of the decorative laminate in a manner of being cut into the rear surface in different diagonal directions and of being arranged in different directions on the rear surface. Then, base portions of plates are installed in the cut grooves, respectively, such that the plates are protruded from the rear surface in the diagonally upward directions, and concrete is placed, and the concrete panel is obtained.
Patent JP-2002370132-A (JP)
Title: Tool holder
Inventor: MINEO KAZUYUKI
IPC: B23Q3/12
Filed: 2001-06-14
Abstract: PROBLEM TO BE SOLVED: To provide a tool holder having a device accurately and easily fine- adjusting eccentricity and inclination in the axial center line of a rotary tool or the like and the axial center line of the tool holder. SOLUTION: A hold member 14 comprises a shank 1 having a flange 3 formed by a plane at a right angle to the axial center line, an adjustment ring 7 having in an internal diametric side an annular ring 10 formed with a plane 8 and a recessed spherical surface 9 abutting to the plane of the flange 3, and a spherical flange 17 consisting of a protruded spherical surface 15 loosely fitted to an internal diametric side of the adjustment ring 7 to abut to the recessed spherical surface 9 and a recessed spherical surface 16 concentric to this spherical surface 15.  The hold member is characterized by providing a first adjustment screw 12 provided with an almost equal space so as to make a tip end abut to a boss part 6 of the shank 1, a second adjustment screw 20 provided on a circumference of the adjustment ring 7 similarly like abutting to an external diameter of the hold member 14, a first tightening means for fixing the adjustment ring 7 to the shank 1, and a second tightening means for fixing the hold member 14 to the adjustment ring 7.
Patent JP-2003029092-A (JP)
Title: Guide pin and optical connector connecting method using the same
Inventor: SHINODA MASAO
IPC: G02B6/40
Filed: 2001-07-19
Abstract: PROBLEM TO BE SOLVED: To overcome such a problem that it takes trouble and time to fix a guide pin. SOLUTION: This guide pin is inserted into the guide pin holes of a couple of optical connectors to be connected and has a fixation part which can be pressed and fixed in the guide pin hole of one optical connector at one lengthwise part and the fixation part has an external diameter larger than any other part or has an intruding projection which can intrudes into the inner circumferential surface of the guide pin hole.  The guide pin is inserted into the guide pin hole of one optical connector from the opposite end surface side from the join end surface of the optical connector, lengthwise part of the guide pin is projected out from the join end surface, and lengthwise part of the projecting guide pin is inserted into the guide pin hole of the other optical connector from the join end surface side of the optical connector, thereby making the join end surfaces of both the optical connectors abut against each other.
Patent JP-2003037718-A (JP)
Title: Image reader and imaging device
Inventor: SOEDA YOSHIHISA
IPC: G06T1/00
Filed: 2001-07-23
Abstract: PROBLEM TO BE SOLVED: To provide an image reader that can eliminate dispersion and noise of circuit components accompanying conventional circuits, where the use of an analog/digital converter varying differently a reference voltage in real time is indispensable, reduce cost, and adjust gray scale variations in a reference white board with a simple circuit configuration. SOLUTION: A CPU 212, receiving an instruction by user's operation, calculates a gray scale ratio as gray scale adjustment data of a reference white board on the basis of gray scale data of a reference original and the reference white board read under the same conditions acquired by a shading data detection section 211, and stores the data to a nonvolatile memory 213. When adjusting, the CPU 212 sets the gray scale data to a reference white board gray scale adjustment section 214, which adjusts the read data of the reference white board, before generating shading data on the basis of the gray scale adjustment data.