baber/WOPTO huggingface dataset:
Patent JP-2004153922-A (JP)
Title: Switching regulator
Inventor: SANO KAZUSUKE
IPC: H02M3/156
Filed: 2002-10-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a switching regulator having a small mounting area.  <P>SOLUTION: The switching regulator comprises a first terminal to which an output of the switching regulator is inputted; a reference voltage source that generates a reference voltage; a voltage dividing circuit that divides the reference voltage; and an error amplifier to which a signal of the first terminal and an output signal of the voltage dividing circuit are inputted. The switching regulator further comprises a first circuit block that comprises a resistor circuit and is different in output signals depending on resistance values of the resistor circuit; a second circuit block that comprises a square-wave oscillator and outputs a signal based on an output signal of the square-wave oscillator and an output signal of the first circuit block; a first circuit that outputs a signal by receiving an output of the second circuit block; a second circuit that outputs a signal by receiving an output signal of the square-wave oscillator and an output signal of the second circuit block; a third circuit of which the output signal is controlled by an output of the second circuit; and a comparator that outputs a signal by receiving an output of the error amplifier and an output of the third circuit.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004153609-A (JP)
Title: Limited broadcast viewing and listening system, and its charging system
Inventor: YAMORI AKIHIRO
IPC: G06F21/10
Filed: 2002-10-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a limited broadcast viewing and listening system which makes possible to view and listen the limited broadcast contracted to view and listen by any terminal out of a plurality of terminals held by a single contractor, and its charging method which realizes improvement of convenience for the contractor who is viewing and listening the same limited broadcast, but does not complicate the broadcast carrier's charging processing.  <P>SOLUTION: The limited broadcast viewing and listening system makes possible to transfer a key code of the limited broadcast between a plurality of terminals held by the single contractor by correlating a plurality of terminals held by the single contractor who contracts to view and listen the limited broadcast performed by the broadcast carrier, and makes possible to view and listen the limited broadcast contracted to view and listen by any terminal of the plurality of terminals held by the single contractor.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004157148-A (JP)
Title: Liquid crystal display device and electronic equipment
Inventor: MURAI ICHIRO
IPC: G02F1/13357
Filed: 2002-11-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of attaining an excellent display in both transmissive display and reflective display and suitable for portable electronic equipment excellent in contrast of the reflective display in particular.  <P>SOLUTION: The liquid crystal display device is provided with an array substrate 20 and a counter substrate 30 placed opposite to each other, a liquid crystal layer 50 interposed between both substrates, a pixel electrode 23 formed on the array substrate 20 and a switching element to drive the pixel electrode 23. Inside a pixel region a reflective display region 33 and a transmissive display region 34 are formed. A reflection layer 35 is formed in the reflective display region 33. Color material parts 44, 45 and a resin layer 36 with a protruding face 36b opposed to the array substrate partly protruding toward the liquid crystal layer 50 side are formed on the inner face side of the counter substrate 30. The protruding part is formed on a flat face region including the reflective display region 33.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004157159-A (JP)
Title: Inorganic polarizing element, polarizing optical element, and liquid crystal element
Inventor: ISHIGAME TAKAYUKI
IPC: G02B5/30
Filed: 2002-11-01
Abstract: <P>PROBLEM TO BE SOLVED: To realize a new wire grip type polarizing element made of an inorganic material which is simple in structure and excellent in heat resistance and mechanical strength.  <P>SOLUTION: The inorganic polarizing element is formed by burying a linear line grating made of a conductive material in a flat surface 1A of a transparent base body 1 made of an inorganic material so that an exposed part of the buried linear line grating and the flat surface of the base body form the same plane. The inorganic polarizing element meets a condition of 0<n×d/λ<0.7, where (n) is the refractive index of the transparent base body 1 made of the inorganic material, (d) is the array pitch of each grating line 2<SB>i</SB>of the linear line grating made of the conductive material, and λ is the wavelength of light.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004156494-A (JP)
Title: Evaporated fuel treatment device of internal combustion engine
Inventor: MATSUBARA TAKUJI
IPC: F02M25/08
Filed: 2002-11-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an evaporated fuel treatment device for efficiently detecting a closing malfunction of a closing valve to seal a fuel tank without changing the internal pressure of the fuel tank into negative pressure in the regular control.  <P>SOLUTION: A closing valve 28 to control the communication state between a fuel tank 10 and a canister 26 is provided. When an internal combustion engine is stopped, the closing valve 28 is in a closed state in general, and the canister 26 is opened to the atmosphere. When the internal combustion engine is stopped, and the differential pressure exceeding a valve opening discrimination value occurs between the tank internal pressure and the atmospheric pressure, the closing valve 28 is opened. The changes in the tank internal pressure occurring before and after opening the closing valve 28 is detected. If the change in the tank internal pressure does not reach the predetermined discrimination value, the closing malfunction of the closing valve is discriminated.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280616-A (JP)
Title: Apparatus and method for driving data for liquid crystal display
Inventor: AHN SEUNG KUK
IPC: G09G3/36
Filed: 2002-11-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and a method to drive data for a liquid crystal display device in which the number of data driver ICs is reduced by time division driving data lines.  <P>SOLUTION: The apparatus is characterized in that it is provided with a first multiplexor array which applies input pixel data on a time-division basis, a digital-to-analog converter array which converts the time-divided pixel data into pixel voltage signals and a demultiplexor array which supplies the pixel voltage signals to time-divided data lines.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003258253-A (JP)
Title: Insulated gate bipolar transistor
Inventor: MATSUDA TADASHI
IPC: H01L29/739
Filed: 2002-11-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an insulated gate bipolar transistor that can obtain a low-ion voltage characteristic without lowering the manufacturing efficiency of the device.  <P>SOLUTION: This insulated gate bipolar transistor has a first-conductivity first semiconductor layer, a second-conductivity second semiconductor layer formed on the surface of the first semiconductor layer, and a first-conductivity base layer formed on the surface of the second semiconductor layer. This transistor also has a plurality of gate electrodes buried in trenches formed into the base layer to reach the second semiconductor layer from the surface of the base layer through gate insulating films and arranged in their widthwise directions so that their upper surfaces may form a rectangular pattern having different widths in orthogonal two axial directions, a second-conductivity emitter layer formed to face both end sections of the gate electrodes in their longitudinal directions on the surface of the base layer, and a first main electrode which is in contact with the emitter layer and base layer. In addition, this transistor also has a second main electrode formed on the rear surface of the first conductor layer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004160030-A (JP)
Title: Pachinko game machine
Inventor: MIYAJIMA TAKESHI
IPC: A63F7/02
Filed: 2002-11-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine by which a further amusing pachinko game can be offered by ensuring a wide pathway through which game balls fall, representation exhibiting clearness, a sense of realism and an uplifting feeling can be performed without limiting a display region by apparatus or devices placed on a game board, further, position of prize-winning entrances, starting entrances and the like provided on the game board can be easily recognized and the game can be enjoyed for a long time.  <P>SOLUTION: The game board is composed of a transparent board and its backside is provided with a display. A substance in a plate form having a thickness larger than the diameter of a game ball is provided between the game board and the display. A hollow part which can receive game balls entering a prize-winning entrance is formed in the substance in the plate form.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004162856-A (JP)
Title: Solenoid valve structure
Inventor: IYATANI MASATOSHI
IPC: B60T8/36
Filed: 2002-11-15
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the size and weight of a solenoid valve by putting a seat member in metal touch with a passage hole of a valve housing instead of pressing it therein to secure sealing performance therebetween.  <P>SOLUTION: This solenoid valve structure comprises a valve element slidably provided in the valve housing 1 for opening/closing a valve hole 13 of the seat member 12 at its small-diameter upper end and the seat member 12 arranged along the almost axial direction of an one-end opening 6a of a second passage 6 for allowing the valve element to be seated on or off. The valve housing is formed of an aluminum alloy material while the seat member is formed of a highly hard ironic metal material. A tapered face 6b is formed at the opening edge of the second passage 6 and an acute-angle outer peripheral edge 12b is formed at a lower end 12a of the seat member. The outer peripheral edge is pushed and bitten into the tapered face in the axial direction, thereby securing the sealing performance between the tapered face of the second passage and the outer peripheral edge of the seat member.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004166906-A (JP)
Title: Game machine and simulation game program
Inventor: HARA DAISUKE
IPC: A63F7/02
Filed: 2002-11-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine and a simulation game program capable of enhancing the visibility of the motion for notifying the time of opening of a large winning hole and enhancing the attraction of the opening motion of the large winning hole.  <P>SOLUTION: A pachinko game machine 100, in which the game state is shifted to a special game state advantageous to a player when a plurality of special patterns constitute a prescribed stopping mode, has a large winning hole 142 to be opened so that a game ball easily enters the winning hole based on the shift to the special game state, a sub-CPU 221 for measuring the opening time of the large winning hole 142, and lamps 122 and 123 for notifying the result of the measurement of the sub-CPU 221 with lighting of ports 150-159. A simulation game program 300 is composed so that a computer 301 achieves the same function as that of the pachinko game machine 100.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004167017-A (JP)
Title: Game machine, and display device for the same
Inventor: OKADA KAZUO
IPC: A63F5/04
Filed: 2002-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine for allowing a player to continue to have amusement even when a power source is not supplied to a board with a display control means arranged therein.  <P>SOLUTION: A slot game machine 10 includes a display device 30 for displaying a picture and a display control means for displaying the picture concerning a game in the display device 30. The machine 10 also includes a sub-control board 74 with the display control means arranged therein and a scale board 78 provided with a picture state keeping means for receiving a picture signal which is supplied from the display control means, displaying the picture in the display device, and controlling the display device 30 to be in a fixed state when the picture signal is in an abnormal state; and a power source unit 79 for independently supplying the power source to the scale board 78 and the sub-control board 74.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004178634-A (JP)
Title: Optical disk device and computer software
Inventor: TADA YUKINOBU
IPC: G11B7/085
Filed: 2002-11-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk device which can carry out a seek operation stably by cyclic control by using correct cyclic information acquired by passing over a defect or a flaw, even when correct cyclic information cannot be acquired due to the defect, the flaw or the like existent on an optical disk, and to provide computer software.  <P>SOLUTION: The optical disk device is provided with: an optical pickup 3 for focusing a laser beam to a recording surface of a disk 1; and a driving means for moving the optical pickup 3 to a position of a track separated from an arbitrary track on the disk 1, and performs reproducing or recording/reproducing of the disk 1 optically. The optical disk is equipped with a movement detection means 15 to detect movement of the optical pickup from one track to a next track on the disk and to generate a detection signal during a seek operation, a cycle measurement means 16 which measures time required for movement of the optical pickup 3 detected by the movement detection means 15, and a blocking means for blocking a detected signal from the movement detection means 15 for the period of decimal fold of less than one of a value of time required for the movement measured by the cycle measurement means 16.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004179304-A (JP)
Title: Semiconductor-laser drive unit
Inventor: KYOGOKU HIROAKI
IPC: G11B7/125
Filed: 2002-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a semiconductor-laser drive unit capable of starting an APC operation in conformity with the speed of response of a photodiode and capable of shortening the time until the start of the APC operation.  <P>SOLUTION: When the photodiode PD having a fast response is used, an ASW control signal Sa is asserted at the point of time when the voltage Vpd of a variable resistor 7 reaches a second reference voltage Vr2 smaller than a first reference voltage Vr1 without waiting for the delay time of a delay circuit 10 by a selector circuit 13, an analog switch 3 is turned on, and the APC operation is started.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004179020-A (JP)
Title: Table lamp for decoration
Inventor: OGASAWARA KIYOSHI
IPC: F21Y101/00
Filed: 2002-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a table lamp excellent in decorativeness capable of well exerting a function as an interior decoration.  <P>SOLUTION: The table lamp for decoration is composed of a table lamp body 10 formed in nearly a cone shape and a bulb 12 fitted at the center of a bottom face 14 of the table lamp body 10. A periphery face part 16 of the table lamp body 10 is formed of a translucent material and a hologram sheet 14a is fitted on top of the bottom face 14 of the body 10, to which, light irradiated from the bulb 12 is reflected and play-of-color pattern is projected on the periphery face part 16 of the body 10.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004177343-A (JP)
Title: Pressure sensor
Inventor: TAKIZAWA ISAO
IPC: H01L29/84
Filed: 2002-11-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pressure sensor which is small and low-cost and can enhance the durability performance on a pressure medium to be measured.  <P>SOLUTION: A sensor circuit comprises a diaphragm 26 which is displaced by applied pressure, a piezoresistance element 22 which is mounted on the diaphragm 26 and changes the resistance value due to the displacement of the diaphragm 26. A silicon chip 20 is adhered to a glass pedestal 10, and the glass pedestal 10 is located so as to form opposite to a space between a surface forming the sensor circuit and the glass pedestal 10. On the glass pedestal 10 or the silicon chip 20, a through-hole 11 is made for extracting out signal from the sensor circuit formed on the silicon chip 20.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004176886-A (JP)
Title: Annular packing
Inventor: ONDA TAKAO
IPC: F16J15/18
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an annular packing capable of preventing leakage of water from between an inner circumferential face of a valve housing chamber and an opening rim of a valve hole of a selector valve during a change-over action of the selector valve.  <P>SOLUTION: A third seal ring 28 and a fourth seal ring 29 used as the annular packing are rubber made rings comprising circular shapes, and cross-sectional shapes in parallel with a diametral direction are U-shapes comprising inner side lip parts 28a and 29a, outer side lip parts 28b and 29b, and connecting parts 28c and 29c used as a packing body. They are attached in annular grooves 25 provided around the valve holes 25e and 25f formed on a cylindrical part circumferential face of the selector valve 25 changed over to a plurality of acting positions. In the attached state, a sealing function is provided by contact of a tip side portion of each lip part 28a, 28b, 29a, and 29b having flexibility to the inner circumferential face of the valve housing chamber in a bent state.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003289296-A (JP)
Title: Key-generating method, content-providing method, ciphered content deciphering method, pirate user identifying method, content provider side system, user side system, trace system, ciphering apparatus, deciphering apparatus, and program
Inventor: MATSUSHITA TATSUYUKI
IPC: H04N7/167
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To content providing system for efficiently attaining both transmission overhead and black box trace, in a broadcast content distribution.  <P>SOLUTION: All user aggregations are divided into sub-groups, and a decipher key is generated by using key generation polynomials which are different for each sub-group. Next, a session key, i.e., a decipher key for ciphered data is distributed so as to be deciphered with the decipher key for each user. Meanwhile, in this key distribution, decipher keys of the arbitrary number of users can be revoked. Against a pirate version deciphering device, black box tracing is performed by assuming users subject to revocation to be suspects. A tracer assumes suspects, and investigates the suspects n number of times (n represents all the number of users), to identify all members in a coalition.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004181691-A (JP)
Title: Transfer device for roll ink-ribbon
Inventor: OTA DAISAKU
IPC: B41J33/36
Filed: 2002-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a transfer device for a roll ink-ribbon in which a tension being applied to an ink-ribbon can be made constant to the utmost from start to end of feeding thereof by varying a driving torque being applied to a ribbon winding shaft depending on the roll diameter as the roll ink-ribbon is fed in stripe, and elongation of a print can be minimized to the utmost.  <P>SOLUTION: The transfer device of a roll ink-ribbon detects the angular rotational speed of a driving shaft 34 by means of an optical encoder 37, detects the angular rotational speed of a ribbon winding shaft 17 by means of optical encoders 37, 40 and, while detecting the ratio of both angular rotational speeds with time, drives the driving shaft 34 so that the ratio falls within a specified range.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004183530-A (JP)
Title: Electronic ignition device for internal combustion engine
Inventor: SHOJI SHIN
IPC: H01F38/12
Filed: 2002-12-02
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a connection wire, which connects a section between a primary coil of an ignition coil and an electronic control unit, from peeling off the electronic control unit while a molded portion for shielding the ignition coil and the electronic control unit is expanding or contracting.  <P>SOLUTION: A front end portion 3b1 of a partition wall 3b for partitioning the inside of a case 3 for storing the ignition coil 1 and the electronic control unit 2 into two: an ignition coil storage portion 3A and a control unit storage portion 3B is provided so as to protrude more outward than the molded portion 6. A connection wire 7 led out from the primary coil 1a of the ignition is introduced into the control unit storage portion 3B beyond a front end portion 3b1 of the partition wall 3b.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004183840-A (JP)
Title: Element of belt for continuously variable transmission, and method for manufacturing the same
Inventor: MITSUI YASUMASA
IPC: B21D53/14
Filed: 2002-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an element of a belt for a continuously variable transmission and a manufacturing method therefor in which the belt is smoothly turned in slidable contact with a V-shaped groove pulley without generating noise, the step can be finely changed, and the belt is easily assembled.  <P>SOLUTION: Belt holding parts 28 and 29 to which an endless belt 45 is fitted and an upper plate part 27 are provided above a saddle part 25 having inclined surfaces 23 and 24 corresponding to inner side walls of a V-shaped groove pulley on both sides, and an engagement projection 34 and an engagement hole 35 are formed on a face side and a back side of the upper plate part 27, respectively. An element 10 for a belt of a continuously variable transmission with a lower side of the saddle part 25 thinner than other portions is formed by laminating element pieces 11-20 formed by punching a strip sheet 39.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004185523-A (JP)
Title: Conveyance vehicle, conveyance vehicle control system, and conveyance vehicle control method
Inventor: HIRAMA ATSUSHI
IPC: G05D1/02
Filed: 2002-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a conveyance vehicle, a conveyance vehicle control system, and a conveyance vehicle control method capable of reducing costs of manufacture, implementation, or the like by carrying out actions of traveling, stopping, and changing course by simple control.  <P>SOLUTION: Light is sent toward a passing light reflecting part 12 for data, and reflected light is received. Light is sent toward a passing light reflecting part 13 for destination, and reflected light is received. Sending of light is controlled in response to the number of times light is received by the light reflecting part 13 for destination between receiving light by a front side light reflecting part 12 for data and receiving light by a rear side light reflecting part 12 for data. When carrying out course change, light is sent toward a light receiving part 15 for traveling, the light receiving part 15 for traveling receives the light, and a control signal is sent for carrying out course change of a moving means to change the course of the conveyance vehicle. When stopping, light is sent toward a light receiving part 14 for stopping, the light is received by the light receiving part 14 for stopping, and a control signal is sent for stopping the moving means to stop the conveyance vehicle.  <P>COPYRIGHT: (C)2004,JPO&NCIPI