baber/WOPTO huggingface dataset:
Patent JP-2004222138-A (JP)
Title: Optical transmission circuit
Inventor: SENOO KENJI
IPC: H04B10/524
Filed: 2003-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an optical transmission circuit capable of maintaining the output value of optical transmission at a constant level despite characteristic deterioration caused by the secular change of a light emitting device and transmitting a stable optical signal without deteriorating an extinction ratio.  <P>SOLUTION: Optical signal output values at the high level and low level of a light emitting device 10 are received by a photodetector 80, are preliminarily correlated to the ambient temperature of the light emitting device 10 so that each of the optical signal output values stays constant regardless of the ambient temperature of the light emitting device 10, and are stored as output value conversion data in a storing part 51. A bias current signal and a modulation current signal to be inputted to the light emitting device LD 10 by feedback control are generated on the basis of the output value conversion data.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003284684-A (JP)
Title: Video scope of electronic endoscope
Inventor: TAKAHASHI TADASHI
IPC: A61B1/04
Filed: 2003-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently and appropriately adjust the standard data in an initial stage of each processor in relation to a video scope connectable with a plurality of processors of different models.  <P>SOLUTION: The formulae of the standard initial data in relation to signal processings of a plurality of processors of different models are stored in EEPROM 57. The formulae of the corresponding standard data are stored in a register 55A of the signal processing circuit 55 with the video scope 50 in a state of being connected with a specific processor 10. A CPU 56 of the scope converts the particular standard data in accordance with an adjustment to be made by an operator before the level of the specific standard data is converted by the CPU 56 and the standard data to be adjusted is established. When the standard data to be adjusted is set up, the standard data corresponding to that of other processors are automatically adjusted to establish the standard initial data to be automatically set up.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004229412-A (JP)
Title: Induction motor
Inventor: MATSUNO HIROAKI
IPC: H02K1/32
Filed: 2003-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an induction motor in which loss does not increase even if the temperature rises.  <P>SOLUTION: The induction motor comprises a stator 1 generating a rotating field, and a rotor 3 generating a running torque through interaction with the rotating field. The rotor 3 comprises a plurality of bars 10 arranged in a plurality of rotor grooves 9 made in the rotor 3, and an end ring 11 interconnecting the plurality of bars 10. Furthermore, the bar 10 and the end ring 11 have an inner cavity filled with an electrically conductive electrolyte 12 exhibiting negative resistance to the temperature.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004225826-A (JP)
Title: Rotary device having bearing trouble detector for covered rotor and trouble detecting program
Inventor: OSHIMA YASUHISA
IPC: F16F15/30
Filed: 2003-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To detect a trouble of a bearing for a covered rotor on a rotor covered with a casing and specify the troubled covered rotor.  <P>SOLUTION: A control part 200 of a trouble detector uses a temperature sensor 500 arranged near the bearings 500 for the covered rotors 102-105 for detecting the temperatures of the bearings 500 for the covered rotors 102-105 at a given rotating speed and comparing them with a threshold value based on the temperature of each bearing at a preset identical rotating speed. When the detected temperature exceeds the threshold value, it determines the trouble of the bearing.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004223444-A (JP)
Title: Slurry treatment plant and method for operating the same
Inventor: KONDO HIDEKI
IPC: F26B5/04
Filed: 2003-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a slurry treatment plant capable of effectively utilizing heat energy possessed by a low-temperature heat source (excess hot water) with a temperature of 100°C or lower, and a method for operating the plant.  <P>SOLUTION: In the slurry treatment plant equipped with a filter press 1 for filtering a slurry, the filter plates 3 provided to the filter press, a supply line 7 for supplying the slurry, a filtrate line 15 for discharging a filtrate and high-temperature heat sources 22 and 32 for providing heat necessary for drying the cake obtained after the slurry is filtered, a low-temperature heat source 50 using excess hot water is further incorporated in the slurry treatment plant.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004232649-A (JP)
Title: U-bolt, adjusting method for support gap for u-bolt, and support gap confirming method
Inventor: NAGAOKA MASAFUMI
IPC: F16B35/00
Filed: 2003-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a support gap adjusting method capable of adjusting and confirming a support gap for a U-bolt quickly and simply.  <P>SOLUTION: The U-bolt 1 for mounting a pipe 4 on a structure 5 is structured so that a flat surface 11 is prepared on the thread part 12 of the U-bolt 1 and furnished with graduations 13 in the bolt longitudinal direction, whereby the support gap a of the U-bolt 1 is confirmed ocularly and necessary adjustment is performed on the basis of the relationship between the graduations 13 and the position of an upper nut 3 engaged on the thread part 12 of the bolt 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004229925-A (JP)
Title: Reclining chair
Inventor: TAKEI HIROCHIKA
IPC: A47C1/035
Filed: 2003-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reclining chair preventing a seated person from having a feeling of projecting the hips even if a backrest is reclined backward.  <P>SOLUTION: A front end of a seat part 4 is turnably connected to the front side upper end of a base frame 2 and the upper end of a legrest 3 is turnably connected to the front end of the seat part 4. The backrest 5 is turnably connected to the rear end of the seat part 4 and the backrest 5 extends long to the upper part and short in the lower part from the connecting part. A rear end of a first link member 7 is turnably connected to the lower end of the backrest 5 via an angle adjusting mechanism C and the upper/lower intermediate part of the legrest 3 is turnably connected to the front end of the first link member 7. The upper end of a second link member 8 is turnably connected to the rear end of the first link member so as to become coaxial with the angle adjusting mechanism C. The lower end of the second link member 8 is turnably connected to the rear side lower end of the base frame 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004236079-A (JP)
Title: Temperature compensation circuit with oscillator and secondary function generator
Inventor: ONO KUNIHIKO
IPC: H03B5/32
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To simplify a temperature compensation voltage generator such as TCXO (Temperature Compensated Crystal oscillator) and a temperature compensation adjusting process, and reduce the noise generated by the temperature compensation voltage generator.  <P>SOLUTION: The problem is solved with a quartz resonator which has frequency temperature characteristics expressed in a secondary function expression, and a temperature compensation oscillator using the secondary function generator which carries out temperature compensation of the quartz resonator.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004236482-A (JP)
Title: Power element driving circuit
Inventor: MATSUMOTO NAONORI
IPC: H02M1/00
Filed: 2003-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power element driving circuit capable of turning off a voltage-driving power element completely with a simplified structure.  <P>SOLUTION: This circuit is provided with a driving power supply 11, and first and second voltage-driving power elements (FET1, FET2) 12, 13 connected in series to the driving power supply 11 and provided in such a way that the sources (S) of both voltage-driving power elements 12, 13 are connected to each other. These sources (S) are also connected to the gate (G) of a voltage-driving power switching element 16 in such a way that output is obtainable. The gates (G) of the voltage-driving power elements 12, 13 are connected to an inputting means 20, which is connected to the sources (S) of the voltage-driving power elements 12, 13 via a resistor 22.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004242444-A (JP)
Title: Stator core and brushless motor
Inventor: YOKOYAMA SEIYA
IPC: H02K1/18
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a stator core obtained by molding magnetic powder, constituted by fitting and coupling together an inner core having a plurality of teeth and an outer core, wherein cracking in the fit portion between the inner core and the outer core is suppressed.  <P>SOLUTION: The stator core 6 is constituted by fitting (press fitting) together the inner core 8 and the outer core 9 both formed by molding magnetic powder. At the outer end of each tooth 10 of the inner core 8 in the radial direction, a coupling projected portion 10a is formed which is circularly protruded outward in the radiation direction as viewed from the axial direction. Inside the outer core 9, coupling recessed portions 9a are formed which is circularly recessed outward in the radial direction as viewed from the axial direction so that the coupling recessed portions 9a and the coupling projected portions 10a are fitted together.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003247579-A (JP)
Title: Annular spring device
Inventor: COSTELLO PHILIP G
IPC: F16F1/12
Filed: 2003-02-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an annular spring device free from reduction in constant of a spring for especially an automatic gear shifting device, damage and/or deviation force and strain of a coil spring.  <P>SOLUTION: The annular spring device comprises first and second annular support plates of the same central axes with a space; a plurality of coil springs disposed in parallel with same space along the same peripheries; and a plurality of guide assemblies situated with a space along the periphery around the ring. Each of the guide assemblies contains a first tub extending from one toward the other of the plates, and a second tab extending from the other toward the one of the plates. The spring device is formed that, when the plate is vertically moved to compress and/or release the coil spring, the first tab and the second tab make contact with each other and slide over each other, the first tab has a guide slot in a direction extending vertically to the plate, the second tab carries a guide member extending through the slot, and vertical movement between the plates is guided.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003262486-A (JP)
Title: Heat exchange pipe with rib in its inner surface
Inventor: WALTHER CHRISTOPH
IPC: F28F13/12
Filed: 2003-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat exchange pipe with an inner surface structure satisfying the following conditions in the most, namely, to provide the heat exchange pipe being superior to the conventional art in the both of condensation and evaporation, having an improved heat transfer efficiency, reducing a pressure a little and the weight of the pipe as much as possible, and satisfying a low production cost by a little number of steps engraved in the structure.  <P>SOLUTION: This heat exchange pipe with a rib in its inner surface is so formed that the inner surface is circumferentially divided into, at least, two zones (Z<SB>1</SB>, Z<SB>2</SB>,..., and Z<SB>n</SB>) and the zone can be divided into, at least, two zone classes (K<SB>1</SB>, K<SB>2</SB>,..., K<SB>j</SB>, K<SB>j+1</SB>..., and K<SB>m</SB>). At least, in a zone in a single zone class (K<SB>1</SB>, K<SB>2</SB>,..., K<SB>j</SB>), the rib 1 extends at the rib height of h<SB>1</SB>in the pipe longitudinal direction at a lead angle α<SB>1</SB>. At least, in a zone in another zone class (K<SB>j+1</SB>, K<SB>j+2</SB>,..., and K<SB>m</SB>), the rib 1 extends at the rib height of h<SB>2</SB>in the pipe longitudinal direction at a lead angle α<SB>2</SB>and the rib 2 crosses with a rib 3 of the rib height of h<SB>3</SB>extending at a lead angle α<SB>3</SB>(α<SB>3</SB>unequal to α<SB>2</SB>).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004247090-A (JP)
Title: Lengthy body, manufacturing method of the same, and cable
Inventor: TANAKA YUKIAKI
IPC: H01B7/36
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lengthy body for a cable capable of storing a larger amount of information related to the cable than ever, without apprehension that the stored information becomes indistinguishable due to passage of a long time after installation.  <P>SOLUTION: The lengthy body comprises an elastic elongated pipe-shaped member 3, a slit 5 continuously formed in a longitudinal direction on the pipe-shaped member 3, and a plurality of RFID elements 7 installed in the pipe-shaped member 3 with a distance between them in the longitudinal direction.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004245098-A (JP)
Title: Control device of internal combustion engine
Inventor: ABE KAZUHIKO
IPC: F02D41/02
Filed: 2003-02-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an estimated value of concentration of a single-component in response to a request of a combustion parameter which needs a guarantee for stable performance to a fuel in circulation, and compensation for deviation of an estimated concentration from a real concentration.  <P>SOLUTION: The control device for an internal engine comprises an exhaust A/F (air-fuel ratio) detection means for detecting A/F of exhaust, and an estimation means for concentration of a single component in a 1st fuel for estimation of concentration of a single component in a fuel in response to deviation of an exhaust A/F detected by the A/F detection means from an aimed exhaust A/F. The estimation means for concentration of a single component in the 1st fuel has a dead zone in which an estimated value for concentration of a single component in a fuel becomes almost constant in a specific region.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004251205-A (JP)
Title: Injector
Inventor: MATSUMOTO SHUICHI
IPC: F02M51/06
Filed: 2003-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an injector capable of attaining stable operations for high energy efficiency by proposing a three-way valve structure corresponding to actuator characteristics in the injector for a common rail of a diesel engine.  <P>SOLUTION: The injector 10 switches communication/cutoff with a control chamber 4 provided on a backface of a nozzle needle 3, and high pressure path 15 and a low pressure path 16 by a valve needle 1, and increases and decreases the pressure of the control chamber 4. The valve needle 1 comprises a sliding part 12 and a large-diameter valve portion 11 stored in a valve chamber 21. The valve portion 12 is selectively seated on a first seat 22 on the side of the low pressure path 16 or a second seat 23 of the side on the high pressure path 15. If the actuator is a solenoid 51, operational stability is improved in opening and closing a seat valve by obtaining the following relation: the sliding diameter of the sliding part 12 < the diameter of the low-pressure side first seat 22 < the diameter of the high-pressure side second seat 23, and the characteristics of the solenoid 51 for generating a large driving force can be effectively used as a displacement becomes larger.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004249631-A (JP)
Title: Inkjet recorder
Inventor: NAKAMURA TAKAO
IPC: B41J2/18
Filed: 2003-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To sufficiently and uniformly recover all of ejection nozzle arrays by preventing a period of suction time necessary for recovery of an ink-ejection performance from increasing even when quantities of ejected ink of the plurality of ejection nozzles are different from each other and to reduce a quantity of consumed ink in a recovery operation.  <P>SOLUTION: Magnitude of negative pressure created on regions corresponding to the respective plurality of ejection nozzle arrays 1, 2 is adjusted by differentiating sizes or the number of ink discharge holes 51, 52 of caps, inner diameters or lengths of tubes 61, 62 connected to a suction pump 70, and density of ink absorption materials provided to the respective regions of the caps so that the periods of suction time necessary for recovery of the ink-ejection performance of the ejection nozzle arrays are made uniform.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004249906-A (JP)
Title: Vehicular air conditioner
Inventor: FUKUOKA FUMINARI
IPC: B60H1/00
Filed: 2003-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To prevent intrusion of foreign matter into a case 8 from an outside air introducing port 28 with a simple structure in a vehicular air conditioner with outside air and inside air introducing ports opened in an intake box of the case.  <P>SOLUTION: The outside air introducing port 28 and the inside air introducing port 29 are integrally formed with the intake box 27, and are covered with an air introducible grille 30.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004253722-A (JP)
Title: Bipolar transistor and its manufacturing method
Inventor: KAWASHIMA TAKAHIRO
IPC: H01L21/331
Filed: 2003-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that, at the time of forming a side wall in a bipolar transistor, the base electrode is etched, because the electrode becomes an etching stopper film for anisotropic etching.  <P>SOLUTION: A method of manufacturing a bipolar transistor includes a step of forming an emitter opening by removing a first and a second insulating films by using a specific mask for defining the emitter opening after causing a collector layer, a base layer, and the first and second insulating films to deposit; and a step of burying the emitter opening with a first-conductivity third semiconductor layer, and forming an emitter electrode by performing anisotropic etching. The method also includes a step (J) of removing the first insulating film by wet etching after removing the second insulating film, and then, forming a base electrode and silicifying a collector electrode, the base electrode, and an emitter electrode.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004255474-A (JP)
Title: Tool holder
Inventor: TAGUCHI MASAHIRO
IPC: B23B31/20
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tool holder which remarkably reduces frictional resistance between a lock nut and a tapered collet and which eliminates twisting of the tapered collet when fastening the lock nut.  <P>SOLUTION: This tool holder comprises the lock nut 13 which pushes the tapered collet 12 into a tapered hole 115 of a collet chuck main body 11 to chuck, and between a reference end surface 123 of the tapered collet 12 and a collet support part 131 opposite thereto, there is interposed is a bearing washer 14 to reduce frictional resistance between both contact surfaces. To both surfaces of the bearing washer 14, namely respective surfaces which come into contact with the reference end surface 123 and the collet support part 131, surface treatment by any one of ion nitriding, DLC (Diamond Like Carbon) coating and TiN coating is applied.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004257749-A (JP)
Title: Meter lighting structure
Inventor: ISHIZUKA KEIJI
IPC: B60K35/00
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a meter lighting structure having high quality in appearance any time day or night, and high degree of freedom in setting such as the layout of a meter device.  <P>SOLUTION: This meter lighting structure has a cylindrical light guiding member 15 mounted on a peripheral edge of a meter display part 14a, a light source 9 for emitting the light from a rear end part 15b side of the light guiding member 15 toward a front end part 15a side, and a prism member 25 mounted on the front end part 15a of the light guiding member 15 and having a triangular cross-section, so that a metallic thin film layer 27 applied on an outer peripheral face side can be visually confirmed as a virtual image 28 in a front view.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004258933-A (JP)
Title: Image collating device
Inventor: OKURA YOSHINORI
IPC: G06T7/00
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To determine that even data on images picked up with differences in size and pickup angle from the image data of the subject of detection stored in a storage means are the same as or similar to the image data, thereby detecting the data as image data which are the same as or similar to the images of the subject of detection.  <P>SOLUTION: A plurality of correlated image data (e) obtained by applying various distortions to the image data (a) of the subject of detection are compared with the image data, so that even the data on the images picked up with differences in size and pickup angle from the image data of the subject of detection stored in the storage means, are determined to be the same as or similar to the image data. The image data which are the same as or similar to the image (a) of the subject of detection can be detected.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003322570-A (JP)
Title: Device for detecting mechanical force
Inventor: HUGENSCHMIDT MARKUS
IPC: G01L1/20
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for detecting mechanical force capable of obtaining information on the kind of a force acting on a relatively large surface and its action by an electric means.  <P>SOLUTION: This device has at least one detecting plate 8 used for recording detecting force, and two electrodes 1 and 2 electrically connected to the detecting plate, and detects a mechanical force. The detecting plate presents at least two measuring layers 3 and 4 arranged by at least mutually partially overlapping each other, and when the detecting force acts on the detecting plate, at least one of the measuring layers changes at least one of various electric characteristics.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004255824-A (JP)
Title: Tape handling method and tape handling device
Inventor: NAKAJIMA KENICHI
IPC: B41J11/66
Filed: 2003-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tape handling method in which a printing image and a clipping shape can be accurately combined, and to provide a tape handling device.  <P>SOLUTION: In the tape handling method for half cutting a printed tape piece T after printed and fully cut, into an arbitrary clipping shape on the basis of clipping data (c), first, a tape length of the printed tape piece T is detected, and the clipping data is corrected in a tape length direction on the basis of the detected tape length (b→f). Then, half cutting is carried out to the printed tape piece T on the basis of the clipping data after corrected (g).  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004262615-A (JP)
Title: Guide shoe of elevator
Inventor: MURAI MICHIO
IPC: B66B7/04
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a guide shoe of an elevator with high wear resistance and slidability.  <P>SOLUTION: The guide shoe of an elevator is mounted on an elevating body moving up and down in an elevator shaft and slides along a guide rail placed in the elevator shaft. The guide shoe has thermosetting resin molding composed of thermosetting resin having high mechanical strength with high heat resistance and dimensional stability, solid lubrication particle for giving lubricity, and textile material for improving mechanical strength and wear resistance.  <P>COPYRIGHT: (C)2004,JPO&NCIPI