baber/WOPTO huggingface dataset:
Patent JP-2004260276-A (JP)
Title: Television receiver, video signal detection control apparatus, and video signal detection control method
Inventor: TOMIKAWA KAZUHIRO
IPC: H04N5/14
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a television receiver, a video signal detection control apparatus, and a video signal detection control method capable of stably detecting a video signal in an external mode.  <P>SOLUTION: Input of a horizontal synchronizing signal outputted from a chroma IC 14 to a microcomputer 15 is interrupted on the basis of circuit control of a signal control circuit 30 in the external mode and a heater winding signal outputted from a flyback transformer 18 and whose level is ordinarily controlled at an H level is given to the microcomputer 15. Then the microcomputer 15 can carry out SD discrimination on the basis of the heater winding signal to stably apply an SD signal to the chroma IC 14. Since the chroma IC 14 can fix a reference oscillated frequency to a color burst signal frequency of 3.58 MHz at all times in the external mode thereby, color missing can be prevented.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004257427-A (JP)
Title: Ball screw
Inventor: OZAWA ATSUSHI
IPC: F16H25/22
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ball screw without the need for thread fastening when assembling a ball circulating tube.  <P>SOLUTION: The ball screw is provided with a screw shaft (1) having a spiral rolling groove in the outside perimeter, a nut (2) having a spiral ball rolling groove in the inside perimeter, a plurality of balls (3) arranged in a track (6) formed by opposing the ball rolling groove of the screw shaft (1) and the ball rolling groove of the nut (2) to each other, the ball circulating tube (4) to return the ball (3) from an end of the track to the other end of the track by picking up the ball (3), and a setting groove (7) to insert the ball circulating tube (4) set at the nut (2). The setting groove (7) has a stopper (21) to prevent the ball circulating tube (4) to be inserted into the setting groove (7) from moving for the slip-off direction.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004260884-A (JP)
Title: Power circuit
Inventor: IMAI HARUYUKI
IPC: H02M3/28
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To realize power saving using a relatively simple circuit configuration, in a power circuit which stably supplies load with power by performing switching action.  <P>SOLUTION: DC voltage including the amount of ripples, which is full-wave rectified in diodes 35 and 37, is applied to voltage-dividing resistors 55 and 57, which are connected to the non-inversion input terminal of a comparator 59. The comparator 59 compares the voltage-divided voltage of the DC voltage, including the amount of ripples which is applied from the voltage dividing resistors 55 and 57 through the non-inversion input terminal with the reference voltage which is applied from a DC power source 61 through the non-inversion input terminal. Aa a result of conversion, the comparator 59 outputs the "H" level of the voltage signal to a second control TR53, when the potential-divided voltage exceeds the reference voltage and the "L" level of the voltage signal, when the voltage-divided voltage is lower than the reference voltage each.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004255949-A (JP)
Title: Brake control unit
Inventor: ISHIKAWA ATSUSHI
IPC: B60T7/12
Filed: 2003-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a brake control unit not to impart a sense of incongruity by preventing a state that a brake pedal is too hard to be stamped when a driver stamps the brake pedal once again during implementation of hill hold control.  <P>SOLUTION: The brake control unit capable of executing the hill hold control is provided with a master cylinder pressure detection means detecting master cylinder pressure, and a master cylinder pressure upward change detection means detecting upward change of the detected master cylinder pressure. A hill hold control means cancel the hill hold control when the master cylinder pressure upward change detection means detects the upward change of the master cylinder pressure during hill hold control is executed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004255413-A (JP)
Title: Low pressure casting method and low pressure casting apparatus
Inventor: ODA TERUYUKI
IPC: B22D18/04
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low-pressure casting method and a low-pressure casting apparatus, wherein the temperature variation of molten metal at every casting cycles is suppressed so that a casting of high-quality is stably obtained.  <P>SOLUTION: The low-pressure casting apparatus has a pressurizing pot 17, a metal-die 40 forming a continuing cavity 43 which is formed on the upper end of a stoke 33 via a sprue 44, and a molten-metal feeding passage 19 through which the pressurizing pot 17 communicates with the stoke 33 via a valve body 20 in a discharging hole side. A molten metal 80 in the pressurizing pot 17 is pressure-fed into the cavity 43 via the stoke 33 from the molten-metal feeding passage 19, and the valve body 20 in the discharging hole side is closed to maintain a charging pressure. When the molten metal 80 in the cavity 43 is solidified down to the part of the sprue 44, the valve body 20 in the discharging hole side is opened and the sprue 44 is also opened to the atmosphere by die-opening so that the molten metal 80 in the stoke 33 flows backward to lower the surface thereof and the cutting of the molten metal is carried out. When a set time is elapsed after the cutting, the valve body 20 in the discharging hole side is closed to hold the surface of the molten metal in the stoke 33 on a specified surface position L of molten metal.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004259596-A (JP)
Title: Illuminated switch
Inventor: TANIGUCHI MORIO
IPC: H01H13/712
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thin illuminated switch equipped with a point light source.  <P>SOLUTION: The illuminated switch comprises a transparent switch that comprises two boards 18a, 18b including transparent conductive films 15a, 15b formed by a printing method on surfaces of transparent boards, respectively and metallic film terminals 17a, 17b electrically connected to and disposed outside the films 15a, 15b, respectively, the boards 18a, 18b being joined with the films facing inward through spacers such that the films do not contact with each other, and transparent microparticles 26 being dispersed in at least one of the films across the film plane; the point light source 22 disposed on one surface side of the transparent switch; and a driving circuit to detect through the metallic film terminals that the films of the transparent switch have contacted with each other, and to supply electric energy to the point light source. The light emitted from the point light source is scattered by the transparent microparticles, thereby equalizing the light intensity viewed on the illuminated switch surface even if the distance between the transparent switch and the point light source is set to be narrow, which allows the thickness of the illuminated switch to be thin.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004257666-A (JP)
Title: Controller of cooling system
Inventor: KAWAI TAKESHI
IPC: F25B1/00
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a controller capable of effectively reducing power consumption in a cooling system.  <P>SOLUTION: In the cooling system formed of low temperature showcases 1a... and refrigerators 11 and 12 supplying refrigerant to the low temperature showcases 1a... and 1b..., the controller 10 generates control data controlling the operation of the refrigerators 11 and 12 based on determination result data on the acceptance or rejection of cooling states in the storage chambers of the low temperature showcases 1a... and 1b..., data on the operating states of the refrigerators 11 and 12, and environmental condition data on operating environment conditions. The control data is the low-pressure side pressure set values of the refrigerators 11 and 12, and the operating environment conditions adopted are an in-shop temperature, an out-shop temperature, and a time. A deviation temperature in a storage chamber is adopted for determining the acceptance or rejection of the cooling state.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004254992-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2003-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the time and effort in preparing display data in a game machine to variably display patterns in a display device.  <P>SOLUTION: In the game machine, the display device 200a is disposed in a game machine body, and patterns are variably displayed under a prescribed condition in the display device 200a. The game machine comprises a display data preparing means 112 for preparing one basic display datum in a prescribed cycle, a display area setting means 104 for setting a display area within the basic display data for the display cycle prepared by the display data preparing means, and a display data outputting means 116 for outputting display data in the display area set for the display cycle by the display area setting means among the basic display data for the display cycle prepared by the display data preparing means to the display device in each display cycle.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004263596-A (JP)
Title: Bearing structure of drive shaft in diaphragm pump
Inventor: INOUE AKIRA
IPC: F04B45/04
Filed: 2003-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide bearing structure of a drive shaft increasing durability of a diaphragm pump.  <P>SOLUTION: A crank base 8 to which a motor shaft 4 is stuck is fixed at a position eccentric from an axial center of the motor shaft 4 in a state where the drive shaft 9 is inclined. By inserting the drive shaft 9 into a shaft hole 11, a drive body 10 is rotatably supported by the drive shaft 9. Each diaphragm part 26 of the diaphragm 25 is attached to each drive element 15 of the drive body 10. When the crank base 8 rotates, each diaphragm part 26 sequentially and vertically moves through the drive shaft 9 and drive body 10 to perform pumping action. Grooves 12 for oil reservoir are disposed in an inner circumferential face of the shaft hole 11 to be extended to an opening end, and a seal member 17 for sealing an opening of the shaft hole 11 is attached to a boss 13.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004264465-A (JP)
Title: Method for forming spacer of liquid crystal display
Inventor: TAI ENTO
IPC: G02F1/1339
Filed: 2003-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for forming a spacer in a liquid crystal display at a low cost and accurately positioning the spacer on a light transmission impossible region of the liquid crystal display.  <P>SOLUTION: The method for forming the spacer of the liquid crystal display comprises: a step to prepare a transparent substrate in which a matrix driving circuit is arranged on its surface and the light transmission impossible region and a light transmission enable region defined by the driving circuit are formed thereon; a step to apply a positive resist on the surface of the transparent substrate; a step to expose a rear surface of the transparent substrate by using the light transmission impossible region of the transparent substrate as a mask pattern; a step to expose the surface of the transparent substrate by using a mask by which the pattern is formed so as to partly overlap the light transmission region of the transparent substrate; and a step to remove the exposed positive resist by developing to form the remaining positive resist part as the spacer.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004223499-A (JP)
Title: Aeration device and water treatment system equipped with the same
Inventor: YAMAMOTO TAKESHI
IPC: C02F3/12
Filed: 2003-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an aeration device having a plurality of branch pipes branching from a main pipe which can considerably reduce pressure loss in the branch pipes, and stably obtain water treatment capacity as a total system while reducing power consumption of the system, and a water treatment system.  <P>SOLUTION: Thermal wind velocity sensors 71-76 are introduced as a means for measuring the air flow rate of each of the branch pipes 51-56 branching from the main pipe 5 in the aeration device 4. Only wind velocity detection elements of the wind velocity sensors 71-76 are located in the passages of the branch pipes 51-56, and there is no diaphragm part in the passages, which hardly causes the pressure loss in the passages. Thereby a situation where air supply from a part of the branch pipes is stopped due to the pressure loss in an air flow velocity sensing part can be avoided.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004263638-A (JP)
Title: Pump
Inventor: TEJIMA KAZUKIYO
IPC: F04B43/08
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pump, restraining the occurrence of water hammering and cavitation.  <P>SOLUTION: A pair of check valves 1, 2 are provided in an inflow passage 3e and an outflow passage 3d in a pump body 3, thereby lowering the flow velocity per one check valve.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003324527-A (JP)
Title: Communication method and communication system
Inventor: PALM STEPHEN
IPC: H04L12/12
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To terminate a start-up session in the end, according to a duplex method (fully duplex method or semi-duplex method, for example).  <P>SOLUTION: The method and system enabling data communication, by which the type of duplex method in use (fully duplex method or semi-duplex method, for example), are detected, and a terminal on the other side is notified. Test of conditions, performance and the like of a central office system 2, a remote system 4 and a communication channel 5 and negotiation is performed between a test negotiation block 46 of the central office system 2 and a test negotiation block 48 of the remote system 4, and an appropriate communication standard is selected based on the quality of the communication and the performance of the channel 5.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004267549-A (JP)
Title: Wireless communication terminal unit and game machine
Inventor: TAKEDA KENGO
IPC: A63F7/02
Filed: 2003-03-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wireless communication terminal unit which is readily and inexpensively installed in a game machine, or the like, in various facilities such as amusement facilities and a game hall (Pachinko parlor) to establish a system for exchanging information with portable terminals of users of the various facilities for considerably improved convenience to the users.  <P>SOLUTION: The wireless communication terminal unit is connected to terminals or game machines installed in the various facilities through a communication line, is provided with a reception portion for receiving information signals from the portable terminals wirelessly, and includes a sending and receiving means for sending and receiving a predetermined information signal with the terminals or the game machines, the portable terminals, or information management devices installed in the various facilities after receiving the information signals from the portable terminals through the reception portion.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004270638-A (JP)
Title: Rocker arm chamber structure for diesel engine
Inventor: SAKATA MICHIO
IPC: F02M61/14
Filed: 2003-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a safety and easy installation structure of a fuel injection nozzle in a rocker arm chamber by protruding a nozzle presser plate and a nozzle body at the contact surfaces thereof.  <P>SOLUTION: In an engine 1 having a fuel injection nozzle 30 fixed to a cylinder head 6, a nozzle presser plate 39 is arranged to cover the upper end of a nozzle body 36 and press the same for fixing the fuel injection nozzle 30, wherein one or both of the upper end of the nozzle body 36 and the nozzle presser plate 39 have spherical or cylindrical surfaces at the contact surfaces thereof. In addition, preferably the contact positions of the upper end of the nozzle body 36 and the nozzle presser plate 39 are arranged on an extension of center line of the fuel injection nozzle 30. As a result, it is possible to fix the fuel injection nozzle 30 without distorting one of the upper end corners of the nozzle body 36 and prevent a lock nut 44 from fatigue fracture.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004277754-A (JP)
Title: Electroless tinning bath for preventing copper erosion, and method for preventing copper erosion
Inventor: KUDO TOMIO
IPC: H05K3/24
Filed: 2003-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To prevent erosion of a fine pattern when performing tin plating on a film carrier or the like by using an electroless organic sulfonic acid bath or the like.  <P>SOLUTION: In an electroless tin plating bath for preventing copper erosion containing a soluble stannous salt, an organic acid, and a thiourea, as the content mole ratio of the soluble stannous salt (in terms of Sn<SP>2+</SP>) to the thiourea, thiourea/Sn<SP>2+</SP>is ≤ 8.4, the content of the thiourea is 2-4 mole/L, and an alkanol sulfonic acid and/or carboxylic acid is contained as the organic acid. In order to regulate the contents of Sn<SP>2+</SP>and the thiourea and the mixing ratio thereof to a predetermined range in the presence of the alkanol sulfonic acid, adhesion of solder resist to a film carrier or the like is ensured, and erosion of a fine pattern of an inner lead or the like can be effectively prevented. Erosion can be similarly prevented in the presence of or coexistence of a carboxylic acid in place of the alkanol sulfonic acid.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004281433-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: MURAMOTO HIDETOSHI
IPC: H01L21/8247
Filed: 2003-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To suppress the occurrence of interband leakage while an increase in cell area is suppressed.  <P>SOLUTION: In a method of manufacturing semiconductor device, an EEPROM is manufactured by making a tunnel window region and a field region 4 to overlap each other in the W direction (channel width direction). At the time of forming an embedded layer positioned on the bottom side of a tunnel film through ion implantation and thermal diffusion, the angle of the ion implantation is set so that the angle to the perpendicular line to the surface of a substrate in the W direction may become larger than the angle to the perpendicular line to the surface of the substrate in the L direction (channel length direction).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004280872-A (JP)
Title: Magneto-optical head and magneto-optical information processor
Inventor: SHIMOKAWA SATOSHI
IPC: G11B11/105
Filed: 2003-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magneto-optical head and a magneto-optical information processor in which the reliability of a recording process can be improved by suppressing the adverse effect on a recording object part exerted by an external magnetic field caused by an actuator, etc.  <P>SOLUTION: This magneto-optical head H cosists of an objective lens 11a for forming a laser spot on the surface of a magneto-optical disk D, a coil 2 for generating a magnetic field for recording, and a 1st magnetic material film 30 arranged on the position opposite to the magneto-optical disk D across the coil 2. It also includes a 2nd magnetic material film 31 arranged on the position opposite to the magneto-optical disk D across the 1st magnetic material film 30 almost in parallel with the magneto-optical disk D.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004281451-A (JP)
Title: Thermoelectric conversion element
Inventor: KISHI MATSUO
IPC: H01L35/34
Filed: 2003-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To enhance the design and manufacturability of a cascade thermoelectric conversion element.  <P>SOLUTION: Two or more thermoelectric conversion elements having different capability are connected in multistage to form a cascade thermoelectric conversion element and the thermoelectric conversion elements of each stage are connected electrically in parallel. Number of thermoelectric elements constituting a thermoelectric conversion element having a high capability is set smaller than the number of thermoelectric elements constituting a thermoelectric conversion element having a low capability being connected therewith. A cascade thermoelectric conversion element having a high cooling efficiency can be manufactured by utilizing the temperature characteristics of a thermoelectric material.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004280885-A (JP)
Title: Magnetic recording medium
Inventor: MATSUNUMA SATORU
IPC: G11B5/82
Filed: 2003-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic recording medium which can maintain a sufficient sliding durability characteristic and corrosion resistance, at a high surface recording density of equal to or more than 600 gigabits/square inch.  <P>SOLUTION: The disk-like magnetic recording medium of a magnetic recording system recorded at the surface recording density of equal to or more than 600 gigabits/square inch is provided with a lubrication layer on the surface of the disk-like magnetic recording medium comprising a surplus layer and a fixed layer, wherein the ratio of the surplus layer to the fixed layer is different according to the surface region of the disk-like magnetic recording medium. The long-term sliding durability can be maintained, and the recording/ reproducing can be achieved in the condition of the high surface recording density of equal to or more than 600 gigabits/square inch.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004278881-A (JP)
Title: Humidifier
Inventor: KANDA HARUO
IPC: F24F6/10
Filed: 2003-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lightweight compact humidifier of low noise, capable of efficiently performing the humidification.  <P>SOLUTION: In this humidifier composed of a cistern part 6, a water tank 3 for supplying a certain amount of water to the cistern part 6, a suction port 10 for taking the dried air in a room, a blowout port 8 for blowing out the humidified air into the room, a blower 9 mounted in an air trunk communicating both ports 8, 10, and an evaporating filter 7 dipped in the water in the water tank part 6 at its lower part, the dried air in the room sucked from the suction port 10 by the blower 9 is made to pass through the evaporating filter 7 moisturized by the water of the cistern part 6 and blown out from the blowout port 8, and the evaporating filter 7 is formed by pleating a sheet material 7D having a high water absorption rate and having pores 7A, and cutting and removing a pleated turnup part 7B.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004281607-A (JP)
Title: Method for manufacturing solid electrolytic capacitor
Inventor: TANAKA ATSUSHI
IPC: H01G9/028
Filed: 2003-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a solid electrolytic capacitor which can further reduce an ESR.  <P>SOLUTION: The method for manufacturing the solid electrolytic capacitor includes the steps of dipping a capacitor element having a dielectric oxide film formed on the surface of an anode made of a valve action metal in a polymerizable monomer solution, then dipping the capacitor element in an oxidizing agent aqueous solution or dipping the capacitor element in a mixed liquid of the polymerizable monomer and the oxidizing agent, and forming a solid electrolyte layer made of a conductive polymer on the surface of the dielectric oxide film. In the method, a reducing process is performed after the conductive polymer layer is formed. As the reducing process, a method for dipping the capacitor element in a reducible solution or a method for leaving the capacitor in a reducible atmosphere is used.  <P>COPYRIGHT: (C)2005,JPO&NCIPI