baber/WOPTO huggingface dataset:
Patent JP-2002298395-A (JP)
Title: Method and device for detecting tracking error
Inventor: ITO AKIYOSHI
IPC: G11B7/09
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To detect a tracking error signal from an optical recording medium. SOLUTION: This tracking error detecting device is provided with a first light beam irradiating part 10 to irradiate the optical recording medium 20 with a first light beam having an optical spot with a bore smaller than narrower one of width of a guide groove formed in the optical recording medium 20 and width of a swell part adjacent to the guide groove, a second light beam irradiating part 11 to irradiate the optical recording medium 20 with a second light beam having an optical spot with a bore wider than that of the first light beam, a first tracking error signal detecting part 16 to detect a first tracking error signal to be diffracted and reflected from the optical recording medium 20 by the first light beam,  a second tracking error signal detecting part 17 to detect a second tracking error signal to be diffracted and reflected from the optical recording medium 20 by the second light beam and an intersection detecting part 18 to detect an intersection between both of the first and second tracking signals by superposing the signals.
Patent JP-2002293257-A (JP)
Title: Steering characteristic setting device for electric power steering, and its setting method
Inventor: YASUDA AKIO
IPC: H02P29/40
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To solve the problem in an electric power steering wherein an optimal value of steering feeling depends on a car model, a characteristic of the car model by a secular change, on-vehicle weight, change of a running condition, and the individuality of a driver, and therefore good steering feeling cannot be obtained only by an assist characteristic for a motor for reducing a steering force. SOLUTION: A steering characteristic chart selected by a steering characteristic chart selecting means is edited by a mouse 11 on a display D in response to the preference and propensity of the driver or a running condition of a vehicle. An EPS(electric power steering) controller and an EPS drive motor are controlled and a steering operation is assisted based on the edited steering characteristic chart. At this time, the driver can sensuously recognize a required edition amount in its magnitude, while looking at the steering characteristic chart. Therefore, the driver can easily and speedily set various steering feelings adequate to personality by himself/herself in response to the preference and the propensity or the running condition of the vehicle.
Patent JP-2002297117-A (JP)
Title: Display device, portable telephone set, control method of display device, recording medium, and program
Inventor: MIYAMOTO TORU
IPC: G06F3/0484
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To display more characters in a limited display area and to make the characters easy to see. SOLUTION: Characters of previously set standard character size are displayed in a previously set reference display area KR. In a non-standard display areas, characters of character size smaller than the standard character size are displayed.
Patent JP-2002297929-A (JP)
Title: Content circulating method, content circulating device and content circulating program
Inventor: KUROKAWA KIYOSHI
IPC: G06Q50/00
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To properly determine the protective level, service level, and price of digital contents according the state of illicit use. SOLUTION: A net police server 4 detects an illicit use of digital contents by a user, and informs a content circulating server 1 and a writer information terminal 2 of the effect. In a content circulating server 1, a providing rule control part 13 controls the protective level, the service level, and the selling price of the circulating contents by using a providing rule control table 14, lowers the service level with a permission service level as a limit when there is permission of a service level change according to a detecting frequency of the illicit use, lowers the protective level when there is permission of a protective level change, and raises the selling price when there is no permission for the service level change and the protective level change.
Patent JP-2002299687-A (JP)
Title: Method of forming p-type electrodes of gallium nitride compound semiconductor layer
Inventor: UMENO MASAYOSHI
IPC: H01S5/343
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a method of forming p-type electrodes which lowers the contact resistance, improves its reproducibility and uniformity to produce a gallium nitride compound semiconductor element having superior characteristics such as lowered operating voltage, elevated output power, etc., at a high yield. SOLUTION: The method of manufacturing a gallium nitride compound semiconductor element having a p-type gallium nitride semiconductor layer doped with Mg comprises irradiating the surface of the p-type gallium nitride semiconductor layer with ultrasonic waves in at least one treating liquid among strong acids and strong alkalis to pretreat the surface of the layer before resist coating for p-type patterning.
Patent JP-2001314967-A (JP)
Title: Welding type electric power source device and method for supplying electric power
Inventor: GEISSLER STEVEN J
IPC: H02M3/155
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide an electric power source which is able to supply desired electric power for welding and it's controlling, and auxiliary electric power, irrespective of input voltage and frequency. SOLUTION: The electric power source for supplying welding type electric power (general term for electric power in welding, cutting, and induction-heating) is able to receive arbitrary input voltage ranging widely. The electric power source includes an input rectifier that rectifies the alternating current into direct current, to convert the direct current so that the direct current stage becomes the desired direct current voltage, and the inverter converts the direct current voltage into the second alternating current. An output transformer, receiving the second alternating current, supplies the third alternating current, which has the current (welding type current) as large as suitable for welding, cutting, or induction-heating. The welding type current may be rectified and smoothed by an output reactor and an output rectifier.  The electric power source for controlling devices also receives input electric voltage in a specific rage, and supplies the electric power having the voltage irrespective of the input voltage to the controlling devices.
Patent JP-2001320335-A (JP)
Title: Method and device for measuring bit error rate in digital communication system
Inventor: KLENNER GUENTHER
IPC: H04B17/29
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To test receiver sensitivity and to measure a bit error rate by a method which is faster than conventional methods. SOLUTION: This method is for measuring the receiver sensitivity of a communication terminal used for operation in a digital communication network. A test about whether a first reference is attained at a predetermined first data transfer speed and a predetermined first receiving level is performed, and the test is performed at a second data transmission speed faster than the first data transmission speed and at the first receiving level to test whether a second reference decided from the first reference is accomplished. This invention relates to a testing device for performing this method.
Patent JP-2002303658-A (JP)
Title: Method and apparatus for calculating correction coefficient for charged capacity state in battery
Inventor: ARAI YOICHI
IPC: H02J7/00
Filed: 2001-04-03
Abstract: PROBLEM TO BE SOLVED: To calculate a correction coefficient for detecting a value for indicating a state regarding the actual charged capacity of a battery according to a value in a static state. SOLUTION: The value of pure resistance in a static state corresponding to the current closed circuit voltage OCV of a battery 13 obtained from an open circuit voltage measurement means 23B is identified by a static pure resistance identification means 23C according to closed circuit voltage-pure resistance characteristics in a static state being stored in a characteristic storage means 27. A value obtained by dividing the difference between the value and the current pure resistance value of the battery 13 obtained by a pure resistance measurement means 23A by the value of the pure resistance in the battery 13 in static state that is identified by the static pure resistance value identification means 23C is obtained by an operation means 23D, and the value is calculated as a correction coefficient that is multiplied to a value for indicating state regarding the charged capacity of the battery 13 in static state for obtaining a value for indicating a state regarding the actual charged capacity in the battery 13.
Patent JP-2002304555-A (JP)
Title: Method and system for suggesting product
Inventor: OTA TOSHIAKI
IPC: G06Q30/02
Filed: 2001-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a computer-based system for suggesting a product (merchandise, service, and plan) matching the needs of a customer to the customer. SOLUTION: This computer system for suggesting a product (for example, a housing reform plan) corresponding to the needs of a customer to the customer first present, a needs input screen 130 to the customer so that the customer is prompted to designate the significance of a plurality of prescribed needs type (1) to (4) for the customer with a plurality of levels A to E on the needs input screen 130. This system is provided with the product information of a plurality of products and needs type evaluation values indicating the levels of fulfillment of the needs types (1) to (4) of each product is a data base.  Then, the product suitable for the needs of the customer is selected by using the significance of the needs types (1) to (4) for the customer inputted to the needs input screen 130 and the needs type evaluation values of the products in the data base, and the product information of the selected product is presented to the customer.
Patent JP-2002313576-A (JP)
Title: Organic electroluminescent element
Inventor: HIROSE HIDEKAZU
IPC: H05B33/22
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To provide an easy-to-manufacture organic electroluminescent element having high emission intensity and exhibiting stable performance even if used repeatedly. SOLUTION: In the electroluminescent element comprising one or a plurality of organic compound layers sandwiched between a pair of electrodes at least one of which is either transparent or semitransparent, at least one of the organic compound layers contains at least one kind of charge-transporting polyether consisting of repeating units containing, as a partial structure, at least one kind selected from the structures represented by the general formulae (I-1) and (I-2).
Patent JP-2002310239-A (JP)
Title: Power transmission mechanism for automobile
Inventor: KAMIYA TAMOTSU
IPC: F02B61/06
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To reduce booming noise in a compartment and improve riding comfortableness and driving property of a vehicle by setting the number of inherent vibration to a low value and reducing the vibration generated in a power transmission mechanism for the automobile providing at least two mass systems in an output system of an internal combustion engine and connecting these mass systems by an elastic body. SOLUTION: In this power transmission mechanism for the automobile providing at least two mass systems 3, 4 in the output system of the internal combustion engine 1 and connecting these mass systems 3, 4 by the elastic body 5, all the inertia moment of the mass systems 3, 4 connected by the elastic body 5 is equal.
Patent JP-2002308449-A (JP)
Title: Paper feeder
Inventor: YAMASHITA MASAAKI
IPC: B65H1/06
Filed: 2001-04-10
Abstract: PROBLEM TO BE SOLVED: To stably supply media stacked in a multi-layer in taking a medium from a lower section in a paper feeder. SOLUTION: This paper feeder is provided with a pick roller 3 which takes out a plurality of stacked media from the lower side, a planet gear 17 and a weight 23, which is a weight to give pressing force to the media from a section above the media and becomes a first state in which the weight doesn't give pressing force to the media while the planet gear 17 is positioned at a first position, and becomes a second state in which the weight gives pressing force to the media while the planet gear 17 is positioned at a second position. When a motor is rotated in a first direction, the planet gear 17 moves to the first position, and the weight 23 becomes the first state in which the weight 23 doesn't give pressing force to the media.  When the motor is rotated in a second direction, which is opposite to the first direction, the planet gear 17 moves to the second position, and the weight 23 becomes the second state, giving pressing force to the media.
Patent JP-2002310737-A (JP)
Title: Gas flow meter
Inventor: OTSUKI SATOSHI
IPC: G01F1/00
Filed: 2001-04-11
Abstract: PROBLEM TO BE SOLVED: To provide a gas flow meter which measures the flow rate of a gas at a low cost without causing the pressure loss of a high temperature gas such as engine exhaust gases and without causing an error in measuring components. SOLUTION: The flow meter comprises a pipe 1 composed of a first pipe 3 connected at one end to a gas source, a second pipe 4 connected to the other end of the first pipe 3, and a strain sensor 8 disposed at outside of the first pipe 3. The second pipe has an open end formed at or approximately at right angles to the first pipe 3. The sensor 3 measures the quantity of strain ε of the pipe 1 due to the flow of a gas from one end of the first part 3 to outside from the open end of the second part 4, thereby obtaining the flow rate of the gas flowing in the pipe 1, using the measured strain quantity ε.
Patent JP-2002308551-A (JP)
Title: Leaked oil wiping device for hoist of elevator
Inventor: SUEMORI SHIGEYUKI
IPC: F16N31/00
Filed: 2001-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a leaked oil wiping device 30 for a hoist 1 of an elevator capable of preventing lubricating oil 9 leaked from a gear case 7 along a rotating shaft 3 from being scattered. SOLUTION: This leaked oil wiping device comprises a base 33, a support member 39 vertically installed on the base 33, and a wiping-off element 40 fitted to the head part of the support member 39. The wiping-off element 40 is brought into slidable contact with a rotating shaft 3 from an underside to wipe out the leaked oil 32 leaked from a packing gland 21 portion and adhered to the rotating shaft 3.
Patent JP-2002310791-A (JP)
Title: Beam type sensor
Inventor: IMAI TAKAYUKI
IPC: G01V8/10
Filed: 2001-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a constitution making possible quick fine regulation in simple operation without becoming a large size as a regulating mechanism for performing the light axial regulation of an optical unit and the regulation of a detection area. SOLUTION: A male screw 71 is formed on the outer peripheral face of the light axial regulation body 7 for modifying the light axial direction of a light projection unit provided with a light projection element 65, and a regulation member 9 is locked on the male screw 71. The light axial regulation body 7 is supported by a rotation support member 74 so as to be rotatable around the center shaft O. The rotation support member 74 is rotatable around a rotary shaft 8 extending in the direction orthogonal to the center shaft O.  Staged light axial regulation by rotating the light axial regulation body 7 around the rotary shaft 8 while the regulation member 9 gets over the ridge and continuously light axial regulation by moving the light axial regulation body 7 accompanied by rotating the light axial regulation body 7 around the center shaft O while the regulation member 9 is locked on a groove are performed.
Patent JP-2001352979-A (JP)
Title: Method for collecting nucleic acid using cationic solid phase carrier
Inventor: KATAYOSE SATOSHI
IPC: C12N15/09
Filed: 2001-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for efficiently and easily collecting a nucleic acid in a sample in high purity to such an extent that any inhibitory matter is contained even if the nucleic acid thus collected is subjected to postprocess such as nucleic acid amplification. SOLUTION: This method for collecting a nucleic acid is characterized by comprising the following steps: a cationic solid phase support is contacted with a sample containing a nucleic acid to catch the nucleic acid on the support, the resultant cationic solid phase support is separated from the above sample, and the solid phase support thus separated is treated with an anionic substance to isolate the nucleic acid caught above from the cationic solid phase support.
Patent JP-2002272534-A (JP)
Title: Brush with electric vacuum cleaner connection pipe
Inventor: SATO YOKII
IPC: A47L9/06
Filed: 2001-03-13
Abstract: PROBLEM TO BE SOLVED: To provide a brush with an electric vacuum cleaner connection pipe for making the vacuum cleaner suck the hair which falls off at the time of brushing. SOLUTION: Many holes (3) for sucking the fallen hair are opened on the brush (1) with bristles (2) and the holes and a bellows-like pipe (5) connected to the vacuum cleaner are connected by thin pipes (4).
Patent JP-2002319801-A (JP)
Title: High frequency switching circuit
Inventor: TAKADONO HIDEAKI
IPC: H01P1/15
Filed: 2001-04-23
Abstract: PROBLEM TO BE SOLVED: To provide a high frequency switching circuit that realizes the reduction of a noise level produced at its output terminal in a state transition from an opening state to a closing state or vice versa at a comparatively low cost when the high frequency switching circuit is switched by an electric control signal. SOLUTION: In order to accurately cancel forward currents of two rectifiers 7, 8 symmetrically placed, a series body, comprising a series connection of a rectifier 11 and a resistor 12 that is connected in parallel with the rectifier 7, is connected to either of the rectifiers 7, 8 which has a smaller forward current (the rectifier 7 in Figure 1). Adjusting the resistance of the resistor 12 makes to equalize a current flowing to an upper half winding of a primary winding of an output side transformer 4 to a current flowing to a lower half winding of the primary winding, to reduce a noise.
Patent JP-2002324898-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: SHIMAZAKI TOYOYUKI
IPC: H01L21/331
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device and its manufacturing method where both a transistor performance and characteristics of a PIN diode can be enhanced. SOLUTION: An intrinsic semiconductor layer 3 of a first conductivity type and a semiconductor layer 4 of a second conductivity type are sequentially laminated on a semiconductor substrate 2 of the first conductivity type, and a part of the region of a laminated structure is made the PIN diode for photo-electric conversion. Bipolar transistors 10, 11 are formed in a remaining region of the semiconductor layer 4, and by forming an insulator layer 19 in the lower layer of a forming region of the bipolar transistors 10, 11, the bipolar type transistors 10, 11 are electrically separated from the semiconductor substrate 2.
Patent JP-2002324584-A (JP)
Title: Flat nonaqueous electrolyte secondary battery with lead terminal
Inventor: HAYAMI MUNEHITO
IPC: H01M4/13
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a flat nonaqueous electrolyte secondary battery having a lead terminal which comprises a lead terminal capable of suppressing break of an electrode and a separator in a battery under the heat in welding of the lead terminal, and capable of preventing capacity degradation and shorting in the battery. SOLUTION: The flat nonaqueous electrolyte secondary battery with a lead terminal is provided in which a lead terminal connected to an external circuit is welded to a battery. The position where the lead terminal is welded to the battery is the peripheral part of a battery case except for a part where electrodes are contained. The lead terminal comprises a band-like or annular metal plate. Thus, a defective welding is reduced while a welded strength is stabilized.
Patent JP-2002039737-A (JP)
Title: Excitation type contact detection sensor
Inventor: HIDAKA KAZUHIKO
IPC: B23Q17/20
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a touch signal probe which can a touch on a body to be measured with high sensitivity without limiting the shape, material, etc., of a stylus. SOLUTION: The stylus 20 is mounted directly on a detecting means 32, which is mounted directly on a holder 10 to constitute a touch signal probe 1 so that the holder 10 and stylus 20 are not in contact and the stylus 20 and detecting means 32 are in contact. The attenuation of the vibration and state changes of the stylus 20 by the holder 10 can be evaded and the vibration and state changes of the stylus 20 are directly propagated to the detecting means 32, so the vibration and state changes of the stylus 20 can be detected by the detecting means 32 with high sensitivity, so that a touch on the body to be measured can be detected with high sensitivity.
Patent JP-2002323644-A (JP)
Title: Holding clip equipped with position adjustment structure for optical fiber and semiconductor laser module equipped with the same
Inventor: INOGUCHI YUKIO
IPC: G02B6/42
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide a position adjustment structure for an optical fiber, with which a holding clip is plastically deformed by a comparatively small force in a narrow space and an operator easily predicts the amount of the plastic deformation. SOLUTION: The structure is provided with two base plates 25 for fixing the structure on a base 3, a holding action part 27 formed between two base plates, and deforming action parts 29 formed between respective base plates and the action part, and stress concentration parts 35 and 37 are formed at the deforming action parts 29. It is preferable that the stress concentration parts are formed at bending parts 31 and 33.
Patent JP-2002320511-A (JP)
Title: Protective case for cellular phone
Inventor: SAKURADA KIKUO
IPC: B65D85/38
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To provide a protective case for cellular phones, lighter and compact, which enables inexpensive production thereof. SOLUTION: This protective case (10) for cellular phones is formed in the shape of a rectangular envelop by performing a high-frequency welding of two polyvinyl chloride sheets (12 and 18) on the periphery thereof and has anti-impact flanges (32) extending along three sides of the case. A waterproof zipper is provided at the inlet of the envelope. The anti-impact flanges (32) enclose side parts of the cellular phone (34) housed in the protective case (10) to absorb impacts when it happens to drop.