baber/WOPTO huggingface dataset:
Patent JP-2003215705-A (JP)
Title: Illumination system and projection system adopting the same
Inventor: KIM SUNG-HA
IPC: G02B5/32
Filed: 2002-10-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide an illumination system which can realize a color image without color wheel and to provide a projection system which adopts the same.  <P>SOLUTION: The illumination system is characterized in that it includes at least one light emitting device 40 for emitting a light beam having a different wavelength, a focusing lens 45 for condensing the light beam emitted from the light emitting device 40, and a wave guide 50 having an incident surface 48 inclined at a predetermined angle, where the light beam condensed by the focusing lens 45 is incident. The projection system includes at least one light emitting device for emitting a light beam having a different wavelength, a focusing lens for condensing the light beam emitted from the light emitting device, a wave guide having an incident surface inclined at a predetermined angle on which the light beam condensed by the focusing lens is made incident, a display device for forming an image by processing the light beam passing through the wave guide according to an input image signal, and a projection lens unit for magnifying the image formed by the display device and projecting the magnified image toward a screen.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004131411-A (JP)
Title: Method for purifying glycolic acid ester and method for producing glycolic acid ester
Inventor: YOSHIDA YUTAKA
IPC: C07B61/00
Filed: 2002-10-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for purifying a glycolic acid ester, by which the glycolate ester is efficiently obtained, while inhibiting or preventing the side reaction of the glycolic acid ester.  <P>SOLUTION: This method for purifying the glycolic acid ester, comprising distilling a mixture comprising the glycolic acid ester, while feeding an alcohol to the distillation system, is characterized in that the alcohol is an alcohol R-OH (R is a hydrocarbon group) corresponding to the ester group -C(=O)OR of the glycolic acid ester.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004131331-A (JP)
Title: Production method for tile using molten slag
Inventor: NAGATA KATSUSHI
IPC: C04B33/13
Filed: 2002-10-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing tile wherein a relatively large amount of molten slag can be compounded and the highest firing temperature can be set lower than that in producing tile from conventional natural materials.  <P>SOLUTION: A mixture comprising 40-60 wt% dust slag which is an undersize obtained by sifting slag obtained by melting sewage sludge and has an average particle size of 0.5 mm or less, preferably 0.1 mm or less, and 60-40 wt% crushed product of at least one commonly used ceramic material selected from among clay, pottery stone, and feldspar is subjected to humidity control, molding, and firing at the highest temperature of 950-1,150°C.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004135443-A (JP)
Title: Motor
Inventor: SONOHARA HIROYUKI
IPC: H02K7/08
Filed: 2002-10-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure that prevents the rotational central axial line of a rotor from deviating relative to the central axial line of the rotor insertion hole of a stator even if the rattling of a bearing member in a support hole is prevented, in a motor of the structure of which the bearing member is supported in the support hole of a bearing support.  <P>SOLUTION: In the motor 10, the support hole 52 is formed at a position that is oppositely deviated relative to the energizing direction of a leaf spring 7 viewed from the central axial line L30 of the rotor insertion hole 30, so that the central axial line L61 of a slide bearing 61 is overlapped with the central axial line L30 of the rotor insertion hole 30 in a state that the slide bearing 61 is energized by the leaf spring 7 in the support hole 52.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004133339-A (JP)
Title: Developing device and image forming apparatus
Inventor: NISHITANI HITOSHI
IPC: G03G15/01
Filed: 2002-10-15
Abstract: <P>PROBLEM TO BE SOLVED: To compatibly achieve the miniaturization of an image forming apparatus and the larger capacity of a developing container and the maintenance of reliability.  <P>SOLUTION: The developing device is equipped with a developer carrier supported to rotate in one direction, a first stirring means supported to rotate in one direction adjacently to the developer carrier and having a spiral surface in the direction of a rotational center axis, a second stirring means supported to rotate in one direction adjacently to the first stirring means and having a spiral surface in the direction of a rotational center axis, and the developing container where a first chamber for holding the first stirring means, a second chamber for holding the second stirring means, and a developer supply port above the second chamber are formed. When the center axis of the first stirring means is made horizontal, the center axis of the second stirring means is tilted to rise in a direction where the spiral surface thereof advances when the second stirring means is rotated, and the height of the level of developer powder near the developer supply port is arranged to be lower than the height of the level of the developer powder in the first chamber of the developing container in a gravity direction.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004138386-A (JP)
Title: Means for controlling digital encoder
Inventor: OIDE TAKAHIRO
IPC: B41J2/01
Filed: 2002-10-15
Abstract: <P>PROBLEM TO BE SOLVED: To compensate for performance reductions due to a sensitivity degradation of an encoder due to ink mist etc.  <P>SOLUTION: The digital encoder is constituted of a light emitting part and a light receiving part and comprises a frequency signal generating means for generating a pulse signal according to the driving speed of a body to be driven. This means for controlling the digital encoder comprises a means for detecting On-time duty of each period of the frequency signal and controls the quantity of light of the light emitting part according to the detected duty.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004136531-A (JP)
Title: Unloading device for injection molding machine
Inventor: AOYAMA NAOYUKI
IPC: B29C45/42
Filed: 2002-10-17
Abstract: <P>PROBLEM TO BE SOLVED: To avoid the contact of molds with lubricating oil applied with a guide shaft when a molding is separated from a runner gripped by a chuck and falls in an injection molding machine having the molds opening/closing horizontally.  <P>SOLUTION: An unloading device for the injection molding machine has the molds 1 and 2 opening/closing horizontally. The unloading device has a guiding board 8 for discharging the molding which is inserted vertically between the inside surface of the guide shaft 3 of the mold and the outside of the molding 9 synchronously with the actuation of the unloading device.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004140952-A (JP)
Title: Dc-dc converter
Inventor: KUNII SHINGO
IPC: H02M3/335
Filed: 2002-10-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a DC-DC converter wherein the level of signals superposed alternately on the output of an insulating means, such as photocoupler, is high, and there are less constraints on constant designing, phase correction, starting characteristics, and short-circuit protection.  <P>SOLUTION: A secondary control circuit 17 detects output voltage Vout, and feeds a control signal back to a primary drive control circuit 16 through a photocoupler 18. The photocoupler 18 is for providing insulation between the primary side and the secondary side of the DC-DC converter 21. In this case, the control signal outputted from the secondary control circuit 17 is transmitted to the primary side. The output signal of a circuit 15 for auxiliary power supply is superposed alternately on the control signal through a coupling capacitor 19. To stabilize the output voltage Vout of a secondary circuit 9 based on the control signal, the drive control circuit 16 is so constituted that a pulse control signal is applied to a switching element Q.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003202440-A (JP)
Title: Optical waveguide and waveguide type optical device
Inventor: MATSUKURA IKUO
IPC: C08F8/48
Filed: 2002-10-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical waveguide and a waveguide type optical device having good initial mechanical and optical properties, less liable to deterioration of the optical properties even after long-time use at a high temperature and also having a function to efficiently turn light at 90°.  <P>SOLUTION: A fluoropolymer containing one or more of repeating units having cyclic structures selected from formula (1), formula (2) or formula (3) is used as a material for the optical waveguide, wherein Q represents R<SP>f</SP>-O where R<SP>f</SP>is a ≤10C fluoroalkylene group having one or more chlorine atoms.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003143661-A (JP)
Title: Data transmission method
Inventor: WESTHOFF DIRK
IPC: H04L12/28
Filed: 2002-10-24
Abstract: PROBLEM TO BE SOLVED: To provide a method for preventing an illegal transmitter from making data transmission under the payment of a legal transmitter. SOLUTION: The data transmission method is a method for transmitting data from a transmitter to a receiver via a network, preferably such a network as a LAN and the Internet, and the transmitter transmits the data to a base station, and the transmitter is authenticated via a server, particularly via an AAA (Authentication, Authorization, Accounting) server or the like. This method is designed so that the server transmits verification data to at least either of the transmitter and the base station from the standpoint of preventing an illegal transmitter from transmitting data over a wide range under the payment of a legal transmitter.
Patent JP-2004142309-A (JP)
Title: Capping mechanism of extendable image formation device, and extendable image formation device with the capping mechanism
Inventor: HASHIMOTO SUSUMU
IPC: B41J2/165
Filed: 2002-10-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a capping mechanism of high practical usability by appropriately setting a timing of a capping operation in the case where an extendable image formation device is equipped with a capping mechanism, and to provide an extendable image formation device with the capping mechanism.  <P>SOLUTION: A cam part 92 is set on a bottom plate of a side casing 22 freely slidable to a center casing. When the side casing 22 is slid to a contraction posture from an extension posture, an inclined face 92a of the cam part 92 butts against a lower face of a capping member 91, and moves the capping member 91 upward towards an ink head 41. At the time when the casing becomes the contraction posture, the capping member 91 is pressed to a lower face of the ink head 41, and an ink nozzle is covered into an airtight state.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004141490-A (JP)
Title: Game medium dispenser and game machine
Inventor: TSUCHIYA TOMONORI
IPC: B42D15/10
Filed: 2002-10-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game medium dispenser preventing the leakage of a radio wave issued inside the game medium dispenser for use with IC token to the outside and preventing malfunction of the game medium dispenser by an external radio wave.  <P>SOLUTION: This game medium dispenser 200 is provided with an IC token insertion port 204 for inserting the IC token to allow either one of data reading or writing by communication, an IC token delivery port 206 delivering the IC tokens, an IC token passage from the IC token insertion port 204 to the IC token delivery port 206 and a communication means provided in the IC token passage and executing, at least, either of the data reading or writing by the communication relative to the IC token passing through the IC token passage.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004153362-A (JP)
Title: Spherical rotation support mechanism with conductive connection part
Inventor: KUBOTA MINEHIRO
IPC: H04R1/32
Filed: 2002-10-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a spherical rotation support mechanism with a conductive connection part capable of freely supporting a member to be supported in a freely spherically rotating way without deforming a cord connected to the member to be supported with a simple mechanism.  <P>SOLUTION: The spherical rotation support mechanism is configured such that the member to be supported 2 is supported by a support member 1 via two inner and outer spherical contact faces concentrically located and the member to be supported 2 and the support member 1 are electrically connected through a set of conductor pieces 3, 5 and a set of 4, 6 provided on the respective contact faces of the member to be supported and the support member.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004153446-A (JP)
Title: Level conversion circuit and nonvolatile semiconductor memory including the same
Inventor: UMEMOTO YUKIKO
IPC: G11C16/06
Filed: 2002-10-29
Abstract: <P>PROBLEM TO BE SOLVED: To reduce an occupied area of a level conversion circuit capable of carrying out level conversion from an input signal with small magnitude to positive and negative voltages with large magnitude.  <P>SOLUTION: The level conversion circuit includes a first voltage terminal to which a positive voltage Vp is applied, a second voltage terminal to which a negative voltage Vn is applied, latch circuits Q5 to Q8 using voltages of the first voltage terminal and the second voltage terminal as operation voltages, input MOS transistors Q1 and Q2 which receive an input signal IN and drive input nodes N1 and N2 at the latch unit, and input cut MOS transistors Q3 and Q4 which open and close connection between the input MOS transistors Q1 and Q2 and the input nodes N1 and N2 at the latch unit.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004152394-A (JP)
Title: Semiconductor memory device
Inventor: ARIMOTO KAZUTAMI
IPC: H01L27/108
Filed: 2002-10-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor memory device in which sufficient operational margin is secured even in the case of a low voltage state of power source voltage and high speed and stable sense operation can be realized.  <P>SOLUTION: In a Vss pre-charge system, dummy cells (a), (b) provided with a third contact connected to a Vccs power source line in addition to a bit line contact and a storage node contact are arranged at complementary bit lines BL, ZBL respectively. In a standby state, data of a "H" level is written in the dummy cells (a), (b) from the Vccs power source line. Before low-active is started and a regular word line is selected, a dummy word line is driven to a selection state, and data of the "H" level is read out from the dummy cells (a), (b). Thereby, electric charges of same quantity are injected to the bit lines BL, ZBL, potentials of the bit lines are shifted to the same potential from the Vss level. A sense amplifier detects and amplifies potential difference between bit lines using the shifted potential as reference voltage.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004153008-A (JP)
Title: Light-emitting element array
Inventor: RIN MEITOKU
IPC: B41J2/45
Filed: 2002-10-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light-emitting element array having an accurate positioning function and an optical guide function through the use of a plurality of light-emitting windows.  <P>SOLUTION: A plurality of conical light-emitting windows are regularly arranged on a substrate 51, and one or more connecting circuits are provided on the substrate 51 corresponding to light-emitting window positions. Light-emitting element array devices mounted with a plurality of light-emitting elements are bonded to the substrate 51, with each light-emitting element positioned in a corresponding light-emitting window and with the electrode of each of the light-emitting elements connected to a corresponding connecting circuit. Electric connection is established with control ICs (Integrated Circuits) 55 in this way for a remarkable reduction in the number of wire bondings in the product, and light-emitting windows are assured of accurate positioning. These simplify the accurate positioning of light-emitting array devices relative to each other and make able to decrease the mutual interference between radiated beams.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004155830-A (JP)
Title: Ink set and method for recording with the ink set, recording system, record
Inventor: KATAOKA SHUICHI
IPC: C09D11/00
Filed: 2002-11-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ink set which has a wide color-reproducing range and high chroma, can give glossy recorded images without standing out graininess due to dot expression, can especially extremely reduce the graininess due to the dot expression, when applied to media using coated layers, and can give highly excellent color-developed recorded images, when applied to plain paper.  <P>SOLUTION: This ink set comprising at least a yellow ink (Y), a magenta ink (M), a cyan ink (C) and a red ink (R) is characterized in that the L* value of the 1000-fold diluted aqueous solution of each ink in the Lab display system defined by CIE is in the following range. (Y): 89 to 94, (M): 83 to <87, (C): 74 to 87, (R): 55 to <62.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004156829-A (JP)
Title: Air conditioner
Inventor: MATSUBARA ATSUSHI
IPC: F24F11/02
Filed: 2002-11-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive air conditioner capable of easily specifying the cause of abnormality which occurred in an outdoor unit.  <P>SOLUTION: This air conditioner is provided with an indoor unit and the outdoor unit. The indoor unit has an indoor unit side control part. The outdoor unit has an outdoor unit side control part and is operated receiving the supply of electric power from the indoor unit. The indoor unit side control part is connected to an indoor storage part for storing summed operation time from the initial time of starting current application to the indoor unit, and sends the summed operation time to the outdoor unit side control part. The outdoor unit side control part is connected to a nonvolatile outdoor storage part, and stores the summed operation time in the outdoor storage part at the occurrence of abnormality in the outdoor unit.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004158631-A (JP)
Title: Semiconductor device
Inventor: YAMAMOTO HIROSHI
IPC: H01L21/822
Filed: 2002-11-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device where signal delay time in signal wiring is shortened.  <P>SOLUTION: A buffer 10 where two inverters are connected in series is inserted into signal wiring of the semiconductor device as a repeater. In the buffer 10, current driving capability of the invertor 11 in a pre-stage is set to be larger than that of the inverter 12 in a post-stage.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003273836-A (JP)
Title: Optical communication system and optical communication method
Inventor: OIKAWA MASAHIRO
IPC: G02F1/37
Filed: 2002-11-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical communication system, wherein frequency interval is small and generation of crosstalks is small in the case of high speed modulation.  <P>SOLUTION: In the optical communication system, carrier waves, different in wavelength which a plurality of light sources generate, are amplitude- modulated with the respective transmission signals by an optical modulator, the modulated carrier waves different in wavelength are multiplexed by a wavelength multiplexer, and the combined multiple-wavelength light is coupled with an optical fiber and transmitted. The multiple-wavelength light transmitted through the optical fiber is converted to an N-times frequency by an N-th order harmonics generating element (N is a two or larger integer), and separated aging to the plurality of carrier waves different in frequency by a wavelength- branching filter. Optical signals which modulate the respective carrier waves are converted to electrical signals and detected by a plurality of optical detector.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004160701-A (JP)
Title: Printer cartridge
Inventor: NISHIKAWA TSUTOMU
IPC: B41J2/175
Filed: 2002-11-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printer cartridge which can be set, at once, in a printer body through simple operation when printing is performed by collecting print sheets, an ink or toner cartridge, a battery, and the like, in one cartridge.  <P>SOLUTION: In a printer comprising the driving section of the printer body and a cartridge section, the cartridge section has a structure uniting or combining a battery cartridge section, an ink cartridge section and a paper cartridge section. Furthermore, in the printer comprising the driving section of the printer body and a cartridge section, the cartridge section has a structure uniting or combining a battery cartridge section, an ink cartridge section and a paper cartridge section wherein the paper cartridge section is disposed on the top or on this side so that papers can be replaced or added easily.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004162276-A (JP)
Title: Unit lifting connecting metal fitting
Inventor: KIMOTO KEITA
IPC: B66C1/66
Filed: 2002-11-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a unit lifting connecting metal fitting for quickly performing lifting work of building units by easily and smoothly installing a bolt member for lifting.  <P>SOLUTION: This unit lifting connecting metal fitting is a unit lifting connecting metal fitting 14 used for lifting or connection by being installed in the building unit 10, arranged along the under surface of an upper frame member 16 of the building unit 10, and is composed of a baseplate member 24 for integrally fixing a lower bolt member 23 inserted into the upper frame member 16 via an inserting hole 34, a cylindrical nut part 26 having on an inner peripheral surface a female screw part threadedly engaged with a male screw part 25 of the lower bolt member 23, and an upper bolt member 17 composed of a male screw rod part 18 integrally fixed to an upper part of the cylindrical nut part 26. The male screw rod part 18 is projected in the upper part of the upper frame member 16 by installing the upper bolt member 17 by screwing onto the lower bolt member 23 of the baseplate member 24 installed in advance on the upper frame member 16.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004164892-A (JP)
Title: Front plate for field emission display and its manufacturing method, and metal mask used for its manufacture
Inventor: TOGASHI KAZUYOSHI
IPC: H01J9/227
Filed: 2002-11-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a front plate for a field emission display where a barrier layer which is uniform and has a high aspect ratio can be formed even on a substrate with a large area or an independent pattern in a short time and abnormal discharge can be reduced and thus high reliability can be ensured, and to provide its manufacturing method.  <P>SOLUTION: By feeding power through a conductive metal mask for plating, the barrier layers 55 can be formed on the independent pattern, and a current value to be used in plating can be increased and plating can be grown along a wall surface in the plate thickness direction of the conductive metal mask. As a result, the barrier layers 55 having a high aspect ratio can be formed in a short time. In addition, the conductive metal mask has a structure where a part of an insulating layer overhangs relative to a release layer, and thus an upper face of the barrier layer formed by plating becomes a shape with little unevenness. As a result, the front plate for the field emission display where abnormal discharge is hard to occur and thus high reliability is ensured can be obtained.  <P>COPYRIGHT: (C)2004,JPO