baber/WOPTO huggingface dataset:
Patent JP-2003045352-A (JP)
Title: Electron gun for cathode ray tube
Inventor: WATABE YOSHIFUMI
IPC: H01J29/48
Filed: 2001-07-26
Abstract: PROBLEM TO BE SOLVED: To provide an electron gun for a cathode ray tube enabled to instantaneously operate, consume small power, and easy to manufacture. SOLUTION: As shown in the figure (a), the electron gun for a cathode ray tube is composed of a cold cathode electrode 10 composed of a field emission type electron source, and an electrostatic lens 20 as a convergence electrode converging the electrons emitted from the cold cathode electrode 10. The electrostatic lens 20 is composed of a third grid G3, a fourth grid G4, and a fifth grid G5. For the cold cathode electrode 10, as shown in the figure (b), a strong electric field drift layer 6 composed of an oxidized porous polycrystalline silicon layer is formed on the main surface side of an n-type silicon substrate 1, and a surface electrode 7 is formed on the strong electric field drift layer 6. An ohmic electrode 2 is formed on the back surface of the n-type silicon substrate 1, and a lower electrode is formed by the n-type silicon substrate 1 and the ohmic electrode 2.
Patent JP-2003044517-A (JP)
Title: Method and program for modifying retrieval result of internet
Inventor: NISHI KYOICHI
IPC: G06F17/30
Filed: 2001-07-27
Abstract: PROBLEM TO BE SOLVED: To provide a function and a method which modify a targeted keyword for retrieval within information to be displayed (for example, to display the targeted keyword for retrieval after only its character color is changed), and enable a user to find the targeted keyword for retrieval at a glance. SOLUTION: A program consists of a browser 1 that reads contents of a WWW server and a proxy 1a that is embedded in the browser 1. The proxy 1a requires a retrieval engine 2 to retrieve data and handles the retrieved data, at the same time, it also requests the WWW server the data and handles its data. Furthermore, the proxy 1a, modifies a keyword included in the data from the WWW server 3 and transfers the keyword to browser 1. The browser 1 displays the keyword in a modified state on a home page of the WWW server 3 as the modified data. A user U can watch the data being modified in this way.
Patent JP-2003040659-A (JP)
Title: Cement composition for shotcreting and shotcreting method
Inventor: UCHIDA KIYOHIKO
IPC: C04B28/06
Filed: 2001-07-30
Abstract: PROBLEM TO BE SOLVED: To provide a cement composition for shotcreting which is excellent in the development of early age strength, highly fluidized, easy to shotcrete, suitable for mixing of fibrous materials and forms lining concrete with high rigidity, regardless of the fact that a quick-setting admixture is used and a shotreting method. SOLUTION: The cement composition for shotcreting is characterized in that it is constituted of a high-early-strength cement-based hydraulic composition and hydraulic alumina as the major components and a quick-setting admixture comprising the high-early-strength cement-based hydraulic composition and hydraulic alumina is used in the shotcreting method.
Patent JP-2002097033-A (JP)
Title: Method for producing optical fiber accompanied by over- cladding during sintering
Inventor: FLEMING JAMES WILLIAM JR
IPC: C03B37/012
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide an improved technology for drawing an optical fiber from a preform which is assembled by using a sol-gel over-cladding pipe. SOLUTION: This technology provides a core-rod and a core-rod assembly having a bushing installed on its end. The core-rod assembly is inserted into, hung, and fixed to the over-cladding pipe 20 which is not yet sintered. Both of the assembly and the pipe are heated to sinter the pipe, which results in the formation of a preform assembly. This assembly is arranged to the drawing tower by the drawing handle 14 mounted on it and is drawn for a formation of an optical fiber by over-cladding.
Patent JP-2003041295-A (JP)
Title: Two-pack bleaching agent
Inventor: MAKI MASATAKA
IPC: C11D7/08
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a two-pack bleaching agent excellent in bleaching effect on lipophilic dirt. SOLUTION: This two-pack bleaching agent is prepared by filling agent A and agent B in a container which keeps the two agents separately, wherein agent A comprises a composition containing hydrogen peroxide and water and has a pH in a specific range, and agent B comprises a composition containing 1.5-10 mass % potassium ion and water and has a pH in a specific range.
Patent JP-2003042906-A (JP)
Title: Instrument for measuring optical snr, optical transmission device, and optical communication system
Inventor: SHIMIZU KATSUHIRO
IPC: G01M11/02
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To easily and precisely measure optical SNR, even when a plurality of light signals run parallel to a narrow wavelength interval. SOLUTION: There are provided a switch 5 for turning on and off impression to a light modulator 2 of a modulation signal, a bias control circuit 8 for conducting regulation to make intensity of modulated light output, by switching of the light modulator 2 according to an on-off operation of the switch 5 with the intensity of non-modulated light which is not modulated therein, and an optical SNR measuring circuit 13 for calculation the ratio of light signal intensity of the modulated light to optical noise intensity thereof, using both or either value(s) of light signal intensity of the non-modulated light and/or optical noise intensity thereof regulated by the bias control circuit 8.
Patent JP-2002292100-A (JP)
Title: Game media record reading device
Inventor: MIKI DAISUKE
IPC: A63F7/02
Filed: 2001-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a card unit device which can adjust the number of rental balls to be put out. SOLUTION: The number of discharged rental balls by the unit of 100 yen is set according to the state of a rental ball setting switch 56 when a card reading unit 23 is turned on. By putting out a rental request signal based on the number of putout rental balls to set to a discharge control board H, the rental balls whose discharge number is adjusted by the unit of 100 yen can be put out. Thus, rental balls can be put out considering tax rate of sales consumption tax and the like.
Patent JP-2003048590-A (JP)
Title: Exhaust system for motorcycle
Inventor: NAKAJIMA YASUSHI
IPC: B62M7/02
Filed: 2001-08-02
Abstract: PROBLEM TO BE SOLVED: To improve exhaust efficiency by realizing a layout of exhaust pipes suitable for a V-5 engine and setting lengths of the exhaust pipes at optimal lengths. SOLUTION: The exhaust pipes 23 to 25 connected to a front cylinder head 21 are arranged from the front of a vehicle body 11 to the rear of the vehicle body 11 past the right of the engine 13, and after merged in the right of the vehicle body, coupled to a right muffler 26 located on the right of the vehicle body. The exhaust pipes 31 and 32 connected to a rear cylinder head 28 are extended to the rear of the vehicle body 11, bent to the bottom of the vehicle body and merged, and after passed under the vehicle body 11, coupled to a left muffler 33 located on the left of the vehicle body 11.
Patent JP-2003043360-A (JP)
Title: Imaging optical system, projection type image display device and imaging device
Inventor: SASAKI KENICHI
IPC: G02B27/18
Filed: 2001-08-03
Abstract: PROBLEM TO BE SOLVED: To provide an imaging optical system which comprises a plurality of curved reflecting surfaces, is compact in size and bright and is capable of making projection at a large angle of incidence. SOLUTION: The imaging optical system, which is approximately telecentric on the first conjugation point side (image display element 1 side) of the two points which vary in distances and is set into an optical conjugate relation by a plurality of curved mirrors 3 to 8 is provided, successively from the first conjugation point side, with a first mirror 3 for reflecting the luminous flux from the first conjugation point to approximately parallel and a second mirror 4 for reflecting the luminous flux converted approximately parallel by the first mirror, while maintaining the same to be approximately parallel.  If the optical path that the central ray of the luminous flux from the first conjugation point traces is defined as the reference axis, the absolute value of the angle formed by the normal of the first mirror and the reference axis at the intersection point with the reference axis as ζ, the angle formed by the normal of the second mirror and the reference axis as η and the effective F number on the first conjugation point side as F, |Arctan (1/2F)-|2×(ζ-η)||<=10 [deg] is satisfied.
Patent JP-2003050015-A (JP)
Title: Heating cooking apparatus
Inventor: KOIZUMI HIDEYO
IPC: F24C1/00
Filed: 2001-08-06
Abstract: PROBLEM TO BE SOLVED: To provide a heating cooking apparatus wherein food can be heated only with superheated vapor at the low cost of producing the superheated vapor only with one heating heater, and energy efficiency for heating food is excellent, and further superheated vapor is produced with the less amount of supply water. SOLUTION: There are provided an oven chamber 100a, a food placement table 4, a vaporization pan 16, a heating heater 1, a fan 2, a water supplier 3, a wall temperature sensor 14, an exhaust port 5, and a control section for controlling the operations of the heating heater 1, the fan 2, and the water supplier 3. The control section forces the heating heater 1 to produce heat and the fan 2 to be rotated, and when temperature detected by the wall temperature sensor 14 exceeds a predetermined temperature, the fan 2 to be interrupted in its rotation, a predetermined amount of water to be supplied from the water supplier 3 to the vaporization pan 16, and water supplied to the vaporization pan 16 to be vaporized as superheated vapor, and further air to be exhausted from the exhaust port 5 of the oven chamber 100a for filling the inside of the oven chamber 100a with the superheated vapor.
Patent JP-2003048545-A (JP)
Title: Carrying vehicle
Inventor: ADACHI YOSHITAKA
IPC: B62B5/00
Filed: 2001-08-07
Abstract: PROBLEM TO BE SOLVED: To improve the operability and safety in a meal serving carrying vehicle. SOLUTION: This carrying vehicle comprises a storage for retaining the heat or cold of food, a drive motor for driving a wheel provided on the lower part of the storage; an obstacle contact detecting means for detecting an obstacle which makes contact with a body; a control part for controlling the drive motor on the basis of the signal detected by the obstacle contact detecting means; and a bumper provided around the storage lower part, the obstacle contact detecting means being provided on the bumper. An obstacle approach detecting means for detecting an approached obstacle is provided on the lower inside of the bumper, and the drive motor is controlled on the basis of the signal detected by the obstacle approach detecting means, whereby when the obstacle comes close to the carrying vehicle, the carrying vehicle can be stopped by controlling the drive motor.
Patent JP-2003047865-A (JP)
Title: Crusher
Inventor: TAKAHASHI AKIRA
IPC: B02C4/30
Filed: 2001-08-07
Abstract: PROBLEM TO BE SOLVED: To provide an epoch-making crusher which crushes a material to be crushed more finely compared with a conventional example by adopting three steps of crushing structure. SOLUTION: The crusher is provided with a rough crushing part 3 constituted so that the material to be crushed 2 is roughly crushed by facing rough crushing rollers 1 having many projected parts 1A on their surfaces at prescribed intervals and by passing the material 2 such as charcoal between faced rough crushing rollers 1, a first fine crushing part 5 constituted so that the material 2 is finely crushed by facing fine crushing rollers 4 at prescribed intervals and by passing the material 2 roughly crushed in the rough crushing part 3 between the facing fine crushing rollers 4,  and a second fine crushing part 6 constituted so that the material 2 is more finely crushed by facing the fine crushing rollers 4 at intervals minuter than the facing space of the fine crushing rollers 4 of the first fine crushing part 5 or facially contacting the fine crushing rollers 4 and by passing the material 2 finely crushed in the first fine crushing part 5 between the facing fine crushing rollers 4.
Patent JP-2003053549-A (JP)
Title: Stud welding method
Inventor: ARIGA MASAKI
IPC: B23K11/00
Filed: 2001-08-07
Abstract: PROBLEM TO BE SOLVED: To provide a stud welding method which is little in welding distortion and makes stud welding possible even with design thin sheets. SOLUTION: This stud welding method comprises welding a stud 4 to a member 1 to be welded by gripping the stud 4 to an upper electrode 4, pressing the stud to the surface of the material 1 to be welded, providing the rear side of the material 1 to be welded with a lower electrode 3 and passing an electric current from the upper electrode 2. The welding is performed while both surfaces of the material 1 to be welded are restrained by planar restraining members 5 and 6.
Patent JP-2002213339-A (JP)
Title: Power generating device
Inventor: FUJIWARA MITSUHIRO
IPC: F03B3/12
Filed: 2001-07-03
Abstract: PROBLEM TO BE SOLVED: To provide a power generating device capable of driving various facilities inside and outside of a treating tank by utilizing flowing in and out energy of treated water. SOLUTION: Rotary blades are mounted corresponding to parts where the treated water flows in and out to be rotated and driven by the flowing in and out treated water, and the power generation energy is obtained from the power generated by the rotation. In this power generating device, the rotary blades are mounted on upper and lower parts of a vertical rotary blade shaft including an oblique shaft, and rotatable in a water conducting pipe at its outer periphery, a bottom face having a water dropping opening to a side of the outer periphery corresponding to a part between the upper and lower rotary blades, is mounted in the water conducting pipe, and a sewage conducting pipe is eccentrically connected to an upper part of the water conducting pipe.
Patent JP-2003059799-A (JP)
Title: Illumination optical system, exposure system, and method of manufacturing microdevice
Inventor: NAGAYAMA TADASHI
IPC: H01L21/027
Filed: 2001-08-10
Abstract: PROBLEM TO BE SOLVED: To provide an exposure system provided with a location measuring device which does not require so much accuracy for adjustment of an optical system and measures the location using laser light having a short wavelength. SOLUTION: A light source 1 emits laser light having a wavelength of 200 nm or shorter such as ArF excimer laser (193 nm) and F2 laser (157 nm). A TTR sensor 2 observes a reticle alignment mark RM formed on a reticle R, and a wafer alignment mark WM formed on a wafer W via a projection optical system PL or a reference mark formed on a reference member 14, and detects relative positions of these marks. A first rod lens 24 and a second rod lens 26 for guiding the laser light emitted from the light source 1 to the TTR sensor 20 are also provided.
Patent JP-2002108154-A (JP)
Title: Electrophotographic device
Inventor: UNO MUGIJIROU
IPC: G03G15/06
Filed: 2001-08-13
Abstract: PROBLEM TO BE SOLVED: To provide an electrophotographic device capable of stably obtaining satisfactory image quality. SOLUTION: In the electrophotographic device using a contact type electrifying device 2 controlled at constant current, a pre-electrifying device 16 having a developing bias power 14 for applying developing bias to a developing device 4 as its power is disposed on the upper stream side in the rotational direction of a photosensitive body 1 to an electrostatic charge removing device 7 for removing residual electrostatic charge of the photosensitive body 1.
Patent JP-2003056632-A (JP)
Title: Cover body structure of gas spring
Inventor: TANAKA TSUNEO
IPC: F16F9/38
Filed: 2001-08-16
Abstract: PROBLEM TO BE SOLVED: To prevent hammering sound due to a clearance between the cylinder and cylinder cover of a gas spring from occurring. SOLUTION: A guide bush 5a having a plurality of split grooves 5b formed therein is fitted into the tip of the cylinder cover 5. The guide bush 5a is brought into slidable contact with the cylinder 1.
Patent JP-2003010021-A (JP)
Title: Wearing type bed clothes
Inventor: MITSUMIZU AKIYOSHI
IPC: A41D10/00
Filed: 2001-07-02
Abstract: PROBLEM TO BE SOLVED: To provide bed clothes which insulates the heat of the body without dislodging in spite of action during sleeping, such as rolling over, while opening the tips of the feet and releasing the body temperature and is helpful for preventing a user from getting chilled while asleep when the temperature is high. SOLUTION: The bedding is formed to a loose barrel shape which does not come into tight contact with the torso. The bedding is fitted with shoulder straps in order to adequately insulate the heat of the body and to prevent dislodgment.
Patent JP-2002174602-A (JP)
Title: Method and device for detecting defect of gray tone mask
Inventor: NAKAYAMA KENJI
IPC: G03F1/84
Filed: 2001-08-20
Abstract: PROBLEM TO BE SOLVED: To provide a defect inspecting method and a device for it capable of realizing a batch inspection for a gray tone mask having a light shielding part, a light transmitting part, and a gray tone part. SOLUTION: A comparison inspection technique based on mutual comparison between the same patterns formed in the mask is used for detecting a defect. In addition to ordinary defect extraction threshold values for the light shielding part and the light transmitting part, a defect extraction threshold value dedicated to the gray tone part is arranged newly as a threshold value of information appearing according to a difference of the pattern. It is discriminated whether inspection is carried out in the light shielding/transmitting part or the gray tone part, and ordinary defect inspection is carried out by using the light shielding/transmitting part defect extraction threshold value when the light shielding/transmitting part is inspected.  When the gray tone part is inspected, defect detection in the gray tone part is carried out by using the defect extraction threshold value dedicated to the gray tone part.
Patent JP-2003057818-A (JP)
Title: Liquid photosensitive resin composition for thick film conductor circuit
Inventor: KURITA EITETSU
IPC: H05K3/00
Filed: 2001-08-20
Abstract: PROBLEM TO BE SOLVED: To provide a liquid photosensitive resin composition for a thick film conductor circuit. SOLUTION: In the liquid photosensitive resin composition comprising a prepolymer having an ethylenically unsaturated group, a polymerizable monomer and a photopolymerization initiator, the prepolymer is a prepolymer obtained by condensing (a) a dicarboxylic acid component, (b) a diol component and (c) a compound containing >=3 carboxyl and/or hydroxyl groups and is an unsaturated polyester containing 0.1-5 mol% of the component (c) based on the total amount [(a)+(b)+(c)] of the prepolymer and having a number average molecular weight of 500-5,000.
Patent JP-2003054312-A (JP)
Title: Vehicle headlight device
Inventor: TAWA SUKENORI
IPC: B60Q1/10
Filed: 2001-08-21
Abstract: PROBLEM TO BE SOLVED: To provide optimum light distribution according to various kinds of traveling conditions of a vehicle. SOLUTION: A vehicle headlight device 1 comprises right-to-left direction light distribution changing means 18, 22 and 27 for moving the light irradiated from a light source 21 in the forward right-to-left direction of a vehicle and vertical direction light distribution changing means 6, 33 and 34 for moving the light irradiated from the light sources 17 and 21 in the forward vertical direction, and controls the light distribution by the signal from the right-to-left direction light distribution changing means to the vertical direction light distribution changing means.
Patent JP-2003058167-A (JP)
Title: Megaphone in common use as lunch box
Inventor: KOZUKI JUNICHI
IPC: A45C11/20
Filed: 2001-08-21
Abstract: PROBLEM TO BE SOLVED: To make a megaphone used for cheering sports or in outdoor events commonly usable as a lunch box. SOLUTION: This megaphone comprises a megaphone box 1 which is expanded in diameter toward the front, a lunch box container 2 which is sized to be housed into the megaphone body, a lid 3 which is mounted at the large- diameter open end of the megaphone body and a spacer 4 which is freely puttable into and out of the megaphone body. After a spacer 4 is inserted into the megaphone body, the lunch box container 2 is inserted into the megaphone body from its large-diameter open end and the lid 3 is worn at the large- diameter open end of the megaphone body. The lunch box container 2 is sandwiched by the spacer 4 inserted into the megaphone body and the lid 3, by which the rash action of the lunch box container is prevented.
Patent JP-2002341241-A (JP)
Title: Photodetection unit of electronic camera, portable telephone using the same photodetection unit, and teleconferencing system u sing the same portable telephone
Inventor: ISHIZUKI HIDEAKI
IPC: H04N5/225
Filed: 2001-08-22
Abstract: PROBLEM TO BE SOLVED: To provide a photodetection unit which has high resolution and can be made small-sized although it has a wide-angle photographic area, a portable telephone in which the photodetection unit is built, and further a teleconferencing system which uses the portable telephone. SOLUTION: The photodetection unit 1 is constituted by installing curved- surface filters 4 and 6 between an aspheric photodetection lens 2 and a C-MOS or CCD photodetecting element and then built in the portable telephone 10, which is used for the teleconferencing system 20.
Patent JP-2003062985-A (JP)
Title: Ink jet printer
Inventor: SAKAMOTO KOHEI
IPC: B41J2/01
Filed: 2001-08-24
Abstract: PROBLEM TO BE SOLVED: To realize an ink jet printer in which print timing shift due to difference of positional shift in the main scanning direction between a nozzle on the side close to the center of oscillation of a carriage and a nozzle on the side remote from the center of oscillation of the carriage can be corrected. SOLUTION: Slit of a facing linear scale 5 is detected by an encoder sensor 6 fixed to a carriage 2 and at a point in time when the carriage 2 passes a specified position, a number of slit counting circuit 11 corrects the print timing based on the speed of the carriage 2 calculated from the positional shift of nozzle recorded in a positional shift of nozzle data recording circuit 10 and the time when the linear scale 5 passes through the slit detected by the encoder sensor 6.
Patent JP-2003068099-A (JP)
Title: Semiconductor memory
Inventor: AKAMATSU HIROSHI
IPC: G01R31/3185
Filed: 2001-08-28
Abstract: PROBLEM TO BE SOLVED: To shorten a burn-in time for detecting a short circuit between column selection lines in a test mode. SOLUTION: A column selection signal generating circuit 60 includes a pulse output circuit 75 and logic gates 71, 72. In a test mode, a test mode signal TM is made an H level. Therefore, in the pulse output circuit 75, an output signal ϕC1 is made always an H level responding to activation of a clock signal CLK. Also, since an output signal of the logic gate 71 is a H level, a column selection signal CSL is made always an H level. When an external signal ϕC0 is assumed to be at an H level, the column selection signal CSL is reset and made a L level.