baber/WOPTO huggingface dataset:
Patent JP-2003076214-A (JP)
Title: Fixing device of electrophotographic image forming apparatus
Inventor: LEE KYUNG-WOO
IPC: G03G15/20
Filed: 2001-11-20
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device of an electrophotographic image forming apparatus in which warming-up time to the initial movable state or from a standby mode is short, and which has excellent durability and stability. SOLUTION: The fixing device of the electrophotographic image forming apparatus includes a tubular heat pipe 114 which has both sealed ends and houses a prescribed amount working fluid in the inside, a fixing roller 112 which surrounds the heat pipe, a heat generating part 113 which is provided between the fixing roller and the heat pipe and generates heat, and a power source connecting part which connects an external power supply to the heat generating part.  The heat generating part is further provided with a resistance coil which has not a protective coating layer, a first insulating layer formed on the inner surface of the fixing roller in contact with the resistance coil, a second insulating layer formed on the outer surface of the heat pipe in contact with resistance coil, and a lead wire which connects both ends of the resistance coil to the power source connecting part, respectively. The heat is generated by energization from the power source connecting part.
Patent JP-2003157709-A (JP)
Title: Light transmission device
Inventor: OGURA FUMIO
IPC: F21S2/00
Filed: 2001-11-22
Abstract: PROBLEM TO BE SOLVED: To provide a light transmission device in which light from a light source can enter nearly uniformly into the end face of a thick optical fiber bundle and which can be used for transmission of a large quantity of light of illumination light. SOLUTION: The light irradiated from the light source 5 of the light transmission device 1 is transmitted through an optical window 7 and reaches the inner face of a cold reflector 9 and only visible light enters a cylindrical mirror 15. The light which has entered the cylindrical mirror 15 strikes against the circular cone part 18a of a front rod 18 at the center of a rotating light scattering and reflecting part 10 and is reflected, and is further reflected by the inner face of the cylindrical mirror 15. This light repeats total reflection between the front rod 18 and the cylindrical mirror 15, and after the uneven light rings are uniformly mixed inside the device by the rotation of the cylindrical mirror 15, and are made to enter the optical fiber bundle 40.
Patent JP-2003163507-A (JP)
Title: Waveguide bandpass filter
Inventor: KEZUKA ATSUSHI
IPC: H01P1/205
Filed: 2001-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sharp attenuation characteristic outside of the passband and increase attenuation for the setting frequency components without increase of insertion loss in the passband and deterioration of reflection characteristic.  <P>SOLUTION: In a waveguide 100, a bandpass filter 110 in which a plurality of inductive irises 111 to 117 whose iris widths are W1 to W7 respectively are installed sequentially in intervals L1 to L6, is provided and the signal passband is decided. Inductive irises whose iris widths are W8 and W9, are installed including cavity parts 212 and 222 outside of the waveguide walls near the inductive iris parts 111 to 117 outside of the bandpass filter 110. These notches 210 and 220 couple with the bandpass filter 110 and attenuate setting frequency components outside of the passband.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003162816-A (JP)
Title: Optical disk apparatus
Inventor: HAYASHI TETSUYA
IPC: G11B20/12
Filed: 2001-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk apparatus capable of precisely calculating the optimum recording power for the high-speed recording on the outer circumferential part, even when the high-speed recording for the outer circumferential part cannot be performed in a test recording region.  <P>SOLUTION: In the optical disk apparatus recording on an optical disk by making the recording velocity on the outer circumferential part at a high-speed with respect to the recording velocity on an inner circumferential part of the optical disk, the optimum recording power for the high-speed recording on the outer circumferential part can be precisely calculated, even when the high- speed recording on the outer circumferential part cannot be performed in the test recording region, by providing optimum recording power calculation means S26 and S28 obtaining the optimum recording power in a session in which the recording is performed by writing close session information in a close session information region, at the recording speed at which the recording on the test writing region of the most inner circumference of the disk is impossible.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002217792-A (JP)
Title: Equalization device for cable distribution networks
Inventor: BACHELAY ALAIN
IPC: H04N7/16
Filed: 2001-11-28
Abstract: PROBLEM TO BE SOLVED: To provide an equalization device to compensate the attenuation caused in cables in a broadband network. SOLUTION: This invention relates to the equalization device (62) that is used by a signal processing unit (30) of the cable distribution networks (1). The equalization device associated with this invention has two branches (B1, B2) that are coupled both with an input (IN) and an output (OUT) through two diplexers (SS, RC). At least one of the two branches has attenuators (V1, V2, V3 and V4). The pass band of the two diplexers is decided to compensate a fault caused by the distribution networks. It is preferred that one of the two branches has an adjustable attenuator. The adjustable attenuator is locally or remotely controlled. The shape of the frequency response of the equalization device as above is regular when the value of attenuation changes.
Patent JP-2003169287-A (JP)
Title: Recording method of photographed image
Inventor: KIMOTO HIROAKI
IPC: H04W4/12
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recording method of a photographed image that integrates an analysis means to extract, position information to an image server device and records an image photographed by a camera attached to a mobile phone by the image server device on the Internet together with the position information.  <P>SOLUTION: The mobile phone 101 transmits an image photographed by the camera 103 attached to the mobile phone 101 to the image server device 120 as a file attached to electronic mail and the server device records the image to an image database 124. The image server device extracts position information of the mobile phone sent by a position information analysis section 123 from an HTTP header or a mail header attached by an area information providing service provided by a gateway 110 of a mobile phone company and records the image to the image database together with the position information of the photographing place.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003168224-A (JP)
Title: Disk drive unit and servo control signal generation device
Inventor: HARADA TSUTOMU
IPC: G11B7/09
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To minimize phase delay caused by signal processing to a specific input signal, while reducing the cost.  <P>SOLUTION: The drive is constituted so that the sampling order of a focus error signal FE and a tracking error signal TE at an input changeover switch 41 is set by means of changing over input switches 41A, 41B... of the input changeover switch 41 by using a changeover timing control circuit 46 in an order based on data being set in a setting register 46a. The minimization of the phase difference between the focus error signal FE or the tracking error signal TE selectable by the input changeover switch 41 and a focus drive signal or a tracking drive signal obtained from these servo error signals is attained.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003168091-A (JP)
Title: Ic (integrated circuit) card and card system using the same
Inventor: GOTO YUICHI
IPC: B42D25/305
Filed: 2001-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To differentiate a plurality of radio cards as the most main feature in the case of performing communication with a multireading system in a radio card system.  <P>SOLUTION: In a communicating method for reading, for example, data of the plurality of radio cards at a time, for the so-called multireading system, a communication command has a command ID. Control is configured so that communication is established only between a radio card whose command ID coincides and a card reader/writer among a plurality of radio cards that simultaneously exist within a communicable area.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003168272-A (JP)
Title: Optical disk device
Inventor: HANYA TETSUSHIGE
IPC: G11B7/004
Filed: 2001-11-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk device that can be compactly designed and that also can prevent interference between a disk size detecting pin 6a and an objective lens 2.  <P>SOLUTION: The optical disk device is so structured that a disk unit body is fed to the loading position without using a tray and that, when the disk is so transferred, the disk size detecting pins 6a, 7a are moved by the disk. In this optical disk device, during the disk transfer, the objective lens 2 of the optical pickup is offset in the direction (direction of the arrow) away from the optical disk position from the empty weight position of the lens.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003167215-A (JP)
Title: Three dimensional image display member
Inventor: YOSHIHARA YOSHIHIRO
IPC: G02B27/22
Filed: 2001-11-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a 3-D image display member which can be arranged in front of the 3-D image display simply and correctly and enables an observer to recognize a stereoscopic vision with an excellent color.  <P>SOLUTION: The 3-D image display member comprises a 3-D image display part 5 and a frame part 6 which supports the 3-D image display part 5 and is fitted into the 3-D image display 3. A video display part A for the right eye and a video display part B for the left eye are provided on the 3-D image display part 5 in a mixed state. A fitting part 8 to be fitted and locked into the upper edge part of the 3-D image display 3 is provided at the frame part 6. Projecting and sinking bodies 9a which freely project and sink are provided at least at two or more places of both sides of the fitting part 8. When the fitting part 8 is fitted and locked into the upper edge part of the 3-D image display 3, and the projecting and sinking bodies 9a and 9b are projected, the projecting and sinking bodies 9a and 9b press the upper edge part of the 3-D image display 3 to relatively move the 3-D image display part 5 upwards.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003164712-A (JP)
Title: Polymer article separation method and toner production method
Inventor: OTA NOBUYASU
IPC: G03G9/087
Filed: 2001-11-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polymer particle separation method capable of separating polymer particles efficiently from its dispersion liquid such as coloring polymer particle dispersion liquid and a toner production method including a step of separating coloring polymer particles by the separation method.  <P>SOLUTION: Polymer particles are separated from the polymer particle dispersion liquid using an intermittently moving type horizontal belt filter. In the toner production method, coloring polymer particles are separated from a coloring polymer particle dispersion liquid using the intermittently moving type horizontal belt filter.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003156079-A (JP)
Title: Clutch control device for vehicle
Inventor: SHIMIZU KOICHI
IPC: B60L50/16
Filed: 2001-11-30
Abstract: PROBLEM TO BE SOLVED: To offer construction with a wet clutch for on-off torque transmitting operation of a motor, permitting a properly wider vehicle speed region where a four-wheel driving condition is established. SOLUTION: Front wheels 1L, 1R are driven by an engine 2 and rear wheels 3L, 3R are driven by the motor 4. The torque of the motor 4 is transmitted to the rear wheels through the wet clutch. The clutch is operated off when the rotating speed of the motor is a predetermined speed or higher (a reference speed), namely, when a vehicle speed is a predetermined reference speed value or greater. The reference speed is reset depending on the temperature of the clutch. For example, a lower temperature of the clutch results in a lower reference speed.
Patent JP-2003174341-A (JP)
Title: Automatic gain control circuit
Inventor: MIURA SUSUMU
IPC: H03G3/30
Filed: 2001-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an automatic gain control circuit having rapid response to a variation in power of an input signal and capable of reducing a distortion of an input signal waveform.  <P>SOLUTION: The automatic gain control circuit for controlling a power value of an output signal automatically includes a variable gain amplifier for amplifying an input signal by a gain that is set based on an gain control signal and generating it as an output signal, a power detector for detecting the power of the output signal, a first comparison integrator with a short time constant for generating a first gain control signal by comparing the output of the power detector and an reference voltage signal, a second comparison integrator with a large time constant for generating a second gain control signal by comparing the output signal of the power detector and the reference voltage signal, and a response time switching means for selecting the first or second gain control signal on the basis of the power variation of the input signal and fed it to the variable gain amplifier.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003172106-A (JP)
Title: Casing structure of steam turbine
Inventor: UETSUKI YASUYUKI
IPC: F01D25/24
Filed: 2001-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a casing structure of a steam turbine capable of sufficiently securing bearing in a laminated surface of a casing upper half part and a casing lower half part, and capable of restraining leakage of a hydraulic fluid even if thermal stress is applied to a casing in the casing structure arranged in the steam turbine.  <P>SOLUTION: A support member for supporting a stationary blade support ring in the shaft direction of the steam turbine is arranged in a flange stationary blade support ring part for positioning the stationary blade support ring of a flange of the casing upper half part and the casing lower half part. Alternatively, a slit is arranged in the flange stationary blade support ring part.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003172357-A (JP)
Title: Oil retaining bearing
Inventor: TAKIZAWA MICHIAKI
IPC: F16C33/74
Filed: 2001-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To certainly prevent the leakage of a lubricating oil to the outside by a simple structure.  <P>SOLUTION: On a part of an air vent passage 22 extending from a bearing hole side of an oil retaining bearing member 13 to the outside space in an opening portion side of a bearing holding member 12, an oil film rupturing chamber 21 with passage width A formed so as to block the air vent passage 22 and capable of rupturing an oil film of the lubricating oil is provided. In the oil film rupturing chamber 21, the oil film of the lubricating oil is ruptured to prevent the lubricating oil from flowing out from the opening portion of the bearing holding member 12 to the outside. The oil film defining a bubble D in the lubricating oil is ruptured in the oil film rupturing chamber 21.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003170354-A (JP)
Title: Method and apparatus for grinding-cleaning
Inventor: TANIGAWA JUN
IPC: B24C3/14
Filed: 2001-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a constitutional member and facilitate control of feeding speed of a ground-cleaned article by forming a trough by suspending an endless ring belt 1 constituted of connecting cleats 20 by a link chain 19 in a cross-section V shape and improving grinding-cleaning technology in a method to project (arrow (a)) the grinding-cleaning material from a grinding-cleaning material projector 10 toward the ground-cleaned article in this trough.  <P>SOLUTION: A large number of trapezoidal ribs 12 are arranged on the endless ring belt 1. These trapezoidal ribs 12 are made to face against each other without alternating them with each other in the circumferential direction. A curvature radius of a curved part where the endless ring belt 1 becomes recessed toward an outer periphery is restricted by 'an interference of the trapezoidal ribs with each other'. Consequently, the trough 9 is formed without requiring any special support-guide member.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003178545-A (JP)
Title: Small-sized magnetic disk cartridge
Inventor: NAKAMIGAWA JIYUNICHI
IPC: G11B23/033
Filed: 2001-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic disk cartridge which is inserted into a card type disk drive and prevents the intrusion of dust into a cartridge and the accidental insertion into the disk drive.  <P>SOLUTION: A housing 12 has a magnetic head slot 16 opening only to its flank, a shutter 22 for opening and closing this slot 16 and a central hole opening to a housing base surface 12c to cause the center core of the magnetic disk to face outside. A groove 20 for guiding a drive spindle to the central hole during the insertion into the disk drive is extended and installed to the central hole from a housing wall surface 12d on the front side with respect to the insertion direction to the disk drive on the base surface 12c.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003177275-A (JP)
Title: Connector-attached optical cable
Inventor: HAYASHI SHUNTARO
IPC: G02B6/36
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector-attached optical cable that has the ability to simplify and standardize on-the-spot operation of connecting an optical fiber cable with an existing cable.  <P>SOLUTION: A ferrule 12 of an optical connector 11 is attached to the end of the optical fiber 3 of an optical cable 1, which contains the optical fiber 3, tension members 4 and a sheath 5 covering the optical fiber and the tension member, and the ferrule 12 is stored in a housing 13, while the end of the sheath 5 covering the tension member 4 is fixedly connected to a stopper 14 of the housing with a holding component 15.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003178842-A (JP)
Title: Connector device
Inventor: NISHIO ATSUSHI
IPC: G06K17/00
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To aim at reduction of the number of parts and a product cost concerning a connector device of a constitution wherein a slider having a connector to load a recording medium moves in the chassis.  <P>SOLUTION: In the connecter device provided with the slider 34 which a recording medium 32 is inserted into and loaded to, the chassis 33 to retain the slider 34 which moves toward a prescribed loading position accompanied with the insertion of the recording medium 32, and a slider insertion detecting switch 44 to detect that the slider 34 has moved to the prescribed loading position, this slider insertion detecting switch 44 is constituted of the first contact unit 64 arranged and installed at the slider 34, the second contact unit 65, and an engaging part 63 integrally installed at the chassis 33. The engaging part 63 is engaged with the first contact unit 64 when the slider 34 moves to the prescribed loading position, and the constitution is made that the first contact unit 64 and the second contact unit 65 are electrically connected.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003177173-A (JP)
Title: Position measuring device for moving body
Inventor: HAMAHATA TAKAYUKI
IPC: G01C21/00
Filed: 2001-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To realize a highly-accurate position measuring function by utilizing two satellites in a position measuring device for moving body.  <P>SOLUTION: This position measuring device is equipped with an antenna 1 for receiving a radio wave transmitted from each satellite, an antenna attitude adjusting device 2 for adjusting antenna attitude to each satellite, a demodulator circuit 4 for detecting altitude/latitude/longitude information included in the radio wave from each satellite, an elevation angle detection circuit 5 and an azimuth detection circuit 6 for detecting the elevation angle and the azimuth of the antenna to each satellite, and a position measuring operation circuit 7 for deriving the latitude/longitude information of two candidate positions to the own position based on the altitude/latitude/longitude information on both satellites and the elevation angle of the antenna, selecting one candidate position coincident with the azimuth of the antenna from between the two candidate positions, and outputting the latitude/longitude information of the candidate position.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003175856-A (JP)
Title: Running gear
Inventor: MATSUDA YOSHIMASA
IPC: B62D11/08
Filed: 2001-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a running gear capable of swiftly performing circular travel control as soon as automatic directional control (ACD) becomes possible.  <P>SOLUTION: The time between the disengagement of a side clutch 44 and the starting of the operation of a circular travel clutch in an ACD control condition is made shorter than that in the prior art by leaving a straight travel clutch 81 in a continuously disengaged state regardless of the detection results of an ACD sensor 86, as soon as the ACD control becomes possible by an ACD switch 85.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003189565-A (JP)
Title: Induction motor
Inventor: NARITA KENJI
IPC: H02K3/02
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To reduce loss and improve efficiency by using winding as conductor of a rotor and reducing a cross current in an induction motor of six poles.  <P>SOLUTION: A rotor 1 of six-pole constitution is arranged inside a stator which generates a rotating magnetic field, and e.g. twelve trenches 1b are formed in the circular arc direction, at an equal interval in the rotor 1. The direction of the trenches 1b is made the axial direction of a rotating shaft 2. In the trenches 1b, two of short-circuit windings 3a, 4a, 5a of a first to a third winding groups 3, 4, 5 which turn to short-circuit conductors are subjected to lap winding at two pitches, and the first to third winding groups 3, 4, 5 are adjacently arranged. By the rotating magnetic field generated from the stator, induction short-currents flow in opposite directions through the short- circuit windings 3a, 4a, 5a. By the interaction between the rotating magnetic field by the stator and the induction short-circuit currents, turning forces in the same rotating direction are applied to the two short-circuit conductors, thereby rotating the rotor 1.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003181919-A (JP)
Title: Biodegradable heat-shrinkable film and shrink package using the same
Inventor: SUKIGARA MASAYUKI
IPC: B29L7/00
Filed: 2001-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a biodegradable heat-shrinkable film comprising a polylactic acid resin (A) and a biodegradable aliphatic polyester (B) with a glass transition temperature of 0°C or lower other than the resin (A), having biodegradability and excellent in heat shrinkability, easy cutting properties, impact resistance and transparency, and a shrink package obtained by covering an article to be packed with a packaging film, of which three-sides are sealed, obtained using the biodegradable heat-shrinkable film and bringing the packaging film into close contact with the article to be packaged under tension by heat shrinkage.  <P>SOLUTION: In the biodegradable heat-shrinkable film comprising the polylactic acid resin (A) and the biodegradable aliphatic polyester (B) with a glass transition temperature of 0°C or lower other than the resin (A), the heat shrinkage factor at the time of heating at 140°C for 30 min thereof, the tear strength in the lateral direction thereof measured by JIS K7128 (B-method), impact strength thereof measured according to ASTM D1709-91 (A-method) and the haze thereof measured by a turbidity meter (ASTM D1003-95) are within definite ranges.  <P>COPYRIGHT: (C)2003,JPO