baber/WOPTO huggingface dataset:
Patent JP-2004063864-A (JP)
Title: Printed circuit board and soldered structure of electronic component
Inventor: MIYAJIMA YOSHIYUKI
IPC: H05K1/02
Filed: 2002-07-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printed circuit board wherein proper amount of solder is stuck on a land and an electronic component is fixed firmly, without being detached when the electronic component is soldered on the printed circuit board, on which a wiring pattern is arranged.  <P>SOLUTION: A first land 3 is formed around a terminal hole 2, with which a terminal of the electronic component is engaged. A plurality of second lands 4, 4 are extended continuously to the outer periphery of the first land 3. A conductor plate formed of a copper foil or the like is eliminated from the outer periphery of the first land 3, except for parts with which the second lands 4, 4 are to be connected and from parts between the second lands 4, 4. As a result, a shape wherein ribs 9, 9 are made to protrude on the conic exterior is obtained, when solder is stuck on the lands, so that firm soldering is enabled by using a comparatively small amount of solder.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004068864-A (JP)
Title: Rolling bearing
Inventor: KONDO HIROMITSU
IPC: F16C33/32
Filed: 2002-08-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rolling bearing having anti-corrosiveness even in a corrosive environment and equipped with cleanliness.  <P>SOLUTION: Each rolling element 16 of the rolling bearing 10 is made of PTFE or any other resin 16a having self-lubricating performance, and in its surface a ceramic substance 16b in fine particles is implanted dispersively.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003142743-A (JP)
Title: Element
Inventor: RIMANTAS BAITOKUS
IPC: G01F1/69
Filed: 2002-08-06
Abstract: PROBLEM TO BE SOLVED: To facilitate the troublesome manufacture of an element employing the diamond thin film having a thickness of 10 μm or less. SOLUTION: The diamond thin film 101 is formed on a silicon substrate 102 by a vapor synthesizing method so as to have a thickness of the degree of 5 μm. Then, paraffin 104 is applied and, thereafter, the substrate 102 is removed by hydrofluoric acid or the like. The diamond thin film 101 is retained while having the substrate of the paraffin 104. Thereafter, a necessary circuit if formed on the surface of the diamond thin film and, finally, the paraffin 104 is removed whereby the element employing the diamond thin film 101 is completed. Such a constitution can be utilized for the manufacture of the element for measuring a thermal affection employing the diamond thin film or a flow are measuring element, for example.
Patent JP-2004071808-A (JP)
Title: Semiconductor laser equipment
Inventor: YAGI TETSUYA
IPC: H01S5/022
Filed: 2002-08-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor laser equipment capable of oscillating with a basic mode as designed without coming under influence of the thermal stress on assembling.  <P>SOLUTION: The semiconductor laser equipment 10 is equipped with a metallic stem 2 and a ridge type semiconductor laser chip 1 joined to one side of the stem. The ridge type semiconductor laser chip is equipped with a first electrode layer 11 joined to the stem, a first conductive type substrate 12 laminated orderly on the first electrode layer, a first conductive type first clad layer 13, an active layer 14, a second conductive type second clad layer 15 including at least a portion with two stages of a layer thickness, an insulating layer 17 for covering a portion that is relatively thin in the layer thickness between the two stages of the second clad layer, and a second electrode 18 electrically connected in a portion that is relatively thick in the layer thickness between the two stages of the second clad layer. Then, the ridge type semiconductor laser chip oscillates laser beams with a lateral basic mode.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004069484-A (JP)
Title: Liquid discharge head, and droplet amount measuring method therefor, check system, liquid discharging device, manufacturing system, and droplet amount measuring device
Inventor: UEHARA YOSHIHIRO
IPC: B41J2/01
Filed: 2002-08-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for measuring the amount of a droplet discharged from a liquid discharge head which can measure the amount of each of the discharged droplets to further improve an image quality of the liquid discharge head.  <P>SOLUTION: A sheet-shaped luminous flux is formed at a predetermined position in a known air flow field. Droplets are discharged to fly in the sheet surface of the luminous flux. A plurality of images of scattered lights generated when the luminous flux irradiate the droplets are recorded before the movement of the droplets conforms to the air flow field. Based on droplet positions calculated from the recorded images, timings of the imaging, and the air flow rate of the field, the amount of the droplet is calculated.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004080863-A (JP)
Title: Changing method for power transistor carrier frequency
Inventor: SATO KAZUO
IPC: H02M7/48
Filed: 2002-08-12
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem of a sudden change being made in current, because a change is made regardless of a current command and ON of a PWM signal, after the change is continued depending upon change timing, and the current varies immediately after the change.  <P>SOLUTION: The trailing edge of a PWM signal for driving a power transistor is detected, and the timing of which the carrier frequency is changed by changing the frequency-dividing ratio of the clock. In driving three-phase, the carrier frequency of the PWM signal is changed by an edge-detecting means for the PWM signal, in a phase where an absolute value of the current command is the largest among three phases.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004042869-A (JP)
Title: Caster
Inventor: SAITO NOBUKO
IPC: B60B33/00
Filed: 2002-07-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a well operable, durable and inexpensive caster.  <P>SOLUTION: The upper part of the caster is provided with a hole 2, through which a string 3 to be joined to a luggage B such as a cardboard box or a belt holder can pass, and a surface 4 to be adhered to the bottom face of the luggage B. The caster is fixed to the luggage B such as the cardboard box with the combination of an adhesive material and the string 3, preventing the collapse of the luggage due to the irregularity of a road surface during carriage and bringing significant effects in practical use.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004080220-A (JP)
Title: Mobile wireless terminal, wireless communication method used for mobile wireless terminal, and screen control method
Inventor: KATO KENICHI
IPC: G06F3/0354
Filed: 2002-08-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mobile wireless terminal quickly capturing input information and attaining pleasant operability.  <P>SOLUTION: A CPU 3B is combined with signal conversion sections 39, 39A on the basis of the selection by a key entry unit 3A for the signal conversion sections to act as an information read means or a moving distance measurement means. The CPU 3B as the information read means reads information present on the surface of an object to be emitted on the basis of an electric signal outputted from a light receiving section 39b, and reads characters described on the surface of the object to be emitted on the basis of the electric signal when the characters are described on the surface of the object to be emitted. The CPU 38 as the moving distance measurement means measures the moving distance of a position of the mobile wireless terminal 30 with respect to the object to be emitted on the basis of the electric signal outputted from the light receiving section 39b, that is, measures the moving distance on the basis of a difference between the electric signal outputted from the light receiving section 39b at a present point of time and the electric signal of one preceding period.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003091151-A (JP)
Title: Method and device for estimating toner usage
Inventor: RODRIGUEZ SANTIAGO
IPC: G03G15/08
Filed: 2002-08-14
Abstract: PROBLEM TO BE SOLVED: To provide a method and a device for estimating toner usage. SOLUTION: The method 100 and the device for estimating the toner usage is based on a pulse width count and a pulse edge count. The method includes a step 110 of determining the pulse width count, a step 115 of determining the pulse edge count and a step 120 of calculating the toner usage based on the pulse width count and the pulse edge count. The device is constituted so as to perform the aforesaid method.
Patent JP-2003097294-A (JP)
Title: Method of cooling turbine blade/vane
Inventor: GERDES RALF
IPC: F02C7/18
Filed: 2002-08-15
Abstract: PROBLEM TO BE SOLVED: To provide a method of cooling turbine blade/vane for a gas storage power plant. SOLUTION: The gas storage power plant (1) consists of a gas tank (10) storing fresh gas under pressure, a main turbine (3) provided with a burner (6), and a recuperator (7) having a fresh gas passage (8) and an exhaust gas passage (9) and cooperating, so as to transfer heat. The fresh gas passage is connected from the gas tank to an inlet (11) of the main turbine through the recuperator and the burner, and the exhaust gas passage (9) is communicated from an outlet (12) of the main turbine to an exhaust gas equipment through the recuperator. Cooled gas flow enters the main turbine through a turbine inlet, and the cooled gas is produced through extraction of a fresh gas from the gas tank and/or through the introduction of an external fan on a compressor (26) connected to the inlet of the main turbine.
Patent JP-2004044343-A (JP)
Title: Lock type parking apparatus d
Inventor: SUEHIRO ATSUO
IPC: E04H6/42
Filed: 2002-07-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lock type parking apparatus allowing a load in contact with a car to come within a proper range at any contact position when a flap is erected.  <P>SOLUTION: The force of the spring of a mechanism detecting that the flap comes into contact with a car is weakened, and the shortage of a force supporting the flap is compensated by the other support spring. The support force of the support spring is set so that it is zero at or slightly before a position where the flap is erected and that it does not exceed the weight of the flap when the flap is positioned horizontal.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004077281-A (JP)
Title: Map displaying method for navigation device
Inventor: HASEGAWA MITSUHIRO
IPC: G09B29/00
Filed: 2002-08-19
Abstract: <P>PROBLEM TO BE SOLVED: To display the positions, travel directions and speeds of peripheral vehicles using vehicle-to-vehicle communication.  <P>SOLUTION: A means for collecting information of the peripheral vehicles is provided to this device, and when the own automobile CAR approaches a place exhibiting bad view such as a corner, a curve, the collecting means collects information of the peripheral vehicles 1-10, and the device magnifies the peripheral region and displays the peripheral vehicles at their positions. The travel directions and speeds of the peripheral vehicles are displayed by arrows and their lengths. Display priority of the respective peripheral vehicles is determined according to levels of attention by a driver, and the display of the peripheral vehicles is controlled (for example, lightness control, display/non-display control) according to the priority.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004080399-A (JP)
Title: Method and device for embedding electronic watermark, video processor using the device, data distribution device, and network camera
Inventor: SATO MASAAKI
IPC: G06F21/10
Filed: 2002-08-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a device for embedding an electronic watermark in which resistance to the attack of removing the electronic watermark is enhanced.  <P>SOLUTION: The method for embedding the electronic watermark has an encrypting means (11) for generating encryption information following a prescribed algorithm by using key information, an embedding place determining means (12) for determining the place to which secret information is embedded against input data on the basis of the encryption information, and embedding means (13, 14(1)-14(256)) for generating data to which the watermark is already embedded by embedding the secret information as the electronic watermark to the determined place of the input data.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004077864-A (JP)
Title: Multi-beam light source device, optical scanner, and image forming apparatus
Inventor: KUBO NOBUAKI
IPC: G02B26/10
Filed: 2002-08-20
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a multi-beam light source device which has superior environmental stability and assemblability and by which scanning line intervals on a surface to be scanned is exactly set by an inexpensive method; and a light scanner, and an image forming apparatus.  <P>SOLUTION: The multi-beam light source device consists of an n-pyramid prism (n≥3) and (n) pieces of semiconductor lasers emitting a light beam toward the prism at its bottom. the reflection direction of (n) pieces of the light beams after reflection by the prism of the light beam emitted from the semiconductor lasers is the specified direction.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004078659-A (JP)
Title: Pattern contour extraction method, image processing method, pattern edge retrieval method, probe scanning method, production method of semiconductor device, pattern inspection device and program
Inventor: IKEDA TAKAHIRO
IPC: G06V10/422
Filed: 2002-08-20
Abstract: <P>PROBLEM TO BE SOLVED: To accurately and promptly extract a pattern contour even if a plurality of patterns exist in a same image or the contour shape of a measurement object pattern is complicated.  <P>SOLUTION: The image of a pattern of inspection object is acquired (step S1). The rough edge location of the pattern is calculated from the image (step S2, S3). Then, a lattice animal is disposed based on the edge location (step S5), the disposed lattice animal is divided into star-shaped polygons (steps S6 to S11), the locations of the kernels of the star-shaped polygons are calculated (step S12), and an edge is searched from the calculated kernels toward the periphery of the lattice animal (step S13).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004091497-A (JP)
Title: Pigment dispersing agent and pigment composition comprising the same
Inventor: OKI SHIGERU
IPC: C09D11/02
Filed: 2002-08-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pigment dispersing agent preventing aggregation of pigment particles dispersed in an ink, having excellent fluidity and affording stable production of the ink, etc., when various kinds of printing inks, etc., are produced.  <P>SOLUTION: The pigment dispersing agent is characterized by comprising at least one selected from a compound such as the formula, its ammonium salt, its amine salt and its metal salt.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004084734-A (JP)
Title: Bearing device
Inventor: NAKAGAWA HISAYA
IPC: H02K5/167
Filed: 2002-08-23
Abstract: <P>PROBLEM TO BE SOLVED: To avoid external leakage of lubricating oil by preventing air trap by a simple and inexpensive configuration.  <P>SOLUTION: Two large diameter parts 4a and 4a to constitute two radial bearing parts RB and RB are provided on a rotary shaft 4, and a small diameter part 4b is provided between the large diameter parts. The surface roughness of an outer circumferential wall surface of the small diameter part 4b is set to be rougher than that of the outer circumferential wall surface of the large diameter part 4a to enhance the adhesiveness to the lubricating oil F at the small diameter part 4b, and the lubricating oil F is excellently adhered to a part with a relatively large clearance demarcated by the small diameter part 4b.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004052523-A (JP)
Title: Reinforcing device (1) for wooden building, wooden plate structure
Inventor: FUKUGAMI JIRO
IPC: E04B2/56
Filed: 2002-07-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reinforcing device to firmly reinforce horizontal members and columns in a wall forming spot.  <P>SOLUTION: Between horizontal members(2, 4) positioned facing vertically, numerous columns(3) are arranged uprising at specified intervals. Fitting recessed parts comprising channels (2a, 3a, 4a) or stepped recessed parts (2a-1, 3a-1, 4a-1) facing each other are provided longitudinally all over on the facing side of both horizontal members (2, 4) and the column (3) in wall forming spot. An assembled core body (5) combined in square with a plurality of sets of arrangement plates(6, 7, 8) in which plate materials (6a, 7a, 8a) are arranged in parallel across each other at a specified pitch are overlapped to make them intersectional to form a squarely assembled core body (5) and the fitting projections (5a) are formed at the four side edges of the assembled core body (5). The core body (5) is fitted into the space surrounded by vertical members(2, 4) and the column to form the wall, and fitted into the vertical members (2, 4) and column (3) by having the fitting projections (5a) fitted into the fitting recessed parts.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004087655-A (JP)
Title: P TYPE GaAs SUBSTRATE ZnSe SYSTEM PHOTODIODE AND P TYPE GaAs SUBSTRATE ZnSe SYSTEM AVALANCHE PHOTODIODE
Inventor: ANDO TAKASHI
IPC: H01L31/072
Filed: 2002-08-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a highly reliable photodiode having sensitivity in a blue, purple, and near-ultraviolet lights, and reducing dark currents.  <P>SOLUTION: This ZnSe system photodiode is configured of a p-type single crystal GaAs substrate, a super-lattice epitaxial grown on the p-type single crystal GaAs substrate in which p-type ZnSe and p-type ZnTe are repeatedly laminated for continuously changing a band gap, a p-type Zn<SB>1-x</SB>Mg<SB>x</SB>S<SB>y</SB>Se<SB>1-y</SB>layer epitaxial grown on the super-lattice, i-type Zn<SB>1-x</SB>Mg<SB>x</SB>S<SB>y</SB>Se<SB>1-y</SB>layer epitaxial grown on the p-type Zn<SB>1-x</SB>Mg<SB>x</SB>S<SB>y</SB>Se<SB>1-y</SB>, an n-type Zn<SB>1-x</SB>Mg<SB>x</SB>S<SB>y</SB>Se<SB>1-y</SB>layer epitaxial grown on the i-type Zn<SB>1-x</SB>Mg<SB>x</SB>S<SB>y</SB>Se<SB>1-y</SB>layer, an (n) metallic electrode formed on the n-type Zn<SB>1-x</SB>Mg<SB>x</SB>S<SB>y</SB>Se<SB>1-y</SB>layer, and a p-metallic electrode formed on the bottom face of the p-type single crystal GaAs substrate.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004088399-A (JP)
Title: Rescue request device
Inventor: IKETANI KOJI
IPC: H04W4/90
Filed: 2002-08-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rescue request device for securely transmitting a rescue request information together with a location information on where a user is, when the user falls into an emergency status required for a rescue operation in an area where an ordinary reporting means cannot be used.  <P>SOLUTION: A rescue request device A comprises a GPS system receiver 11, an information storage memory 12, a transmitting unit 13, a radio controlled watch 14, an orbit data storage memory 15, an operational power control unit 16, a rescue request switch 17, a receiving unit 20, a homing transmitting unit 21, a location information storage memory 23, a GPS operation power control unit 24, an amplifier 25, and a Mic 26. When the rescue request switch 17 is operated by a user, the transmitting unit 13 operates to transmit a modulated wave 28 to a communication satellite 4.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003120204-A (JP)
Title: Turbine airfoil for gas turbine engine
Inventor: LEEKE LESLIE EUGENE
IPC: F01D9/02
Filed: 2002-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a hollow cooled turbine airfoil 18 whose trailing edge is improved with aerodynamic efficiency held constant. SOLUTION: Slots 28 are arranged in a pressure side wall 20 adjacent to the trailing edge 26. Between the cavity 34 and the slots 28, an inlet which has fluid communication with an internal cavity 34 and an outlet 44 which has fluid communication with the slots 28 are arranged, and a passage 32 bordering on the pressure side wall 20 and a suction side wall 22 is provided. The suction side wall 22 has a curved inside surface so that the distance between a lip-like section 48 and the trailing edge 26 becomes minimum in relation to a specified thickness of the lip-like section and a specified width of the passage 32 in the outlet 44. Since the suction side wall 22 has selectively reduced thickness, which allows shortened trailing edge slots 28, improving trailing edge cooling.
Patent JP-2004064034-A (JP)
Title: Printed circuit board signal circuit for high-speed transmission
Inventor: KINOSHITA TOSHIO
IPC: H05K3/22
Filed: 2002-07-26
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the transmission loss of high frequency signals with regard to the manufacturing of printed circuit boards for high-speed transmission.  <P>SOLUTION: An end face and a surface of a signal circuit wire 2 are physically or electrochemically polished so as to have reduced surface roughness, and rounded off so that roughness in the cross-sectional shape and surface of the printed circuit board signal circuit wire 2 is reduced to increase the outer skin effect. Further, the wire is conductor coated with silver having higher electric conductivity.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004095755-A (JP)
Title: Method for manufacturing semiconductor device
Inventor: MIURA KAZUTAKA
IPC: H01L21/8246
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a semiconductor device having a capacitor capable of further improving the characteristics of the capacitor having an oxide dielectric layer.  <P>SOLUTION: This method comprises a process for successively forming a first conductive layer 12, an oxide dielectric layer 13, and a second conductive layer 14 at the upper part of a first insulating layer 10 on a semiconductor substrate 1; a process for patterning the second conductive layer 14, the oxide dielectric layer 13, and the first conductive layer 12 to form a capacitor Q having an upper electrode 14a, a dielectric layer 13a, and a lower electrode 12a; a process for forming a second insulating layer 17 at the upper part of the capacitor Q and the first insulating layer 10; a process for forming a hole 17e at the upper part of the upper electrode 14a in the second insulating layer 17; and a process for supplying activated oxygen through the hole 17e to the capacitor Q in a state that a semiconductor substrate 1 is heated.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004091983-A (JP)
Title: Method for controlling yarn feed part in warp knitting machine and program for the same
Inventor: KOKADO YOSHIHARU
IPC: D04B27/12
Filed: 2002-08-30
Abstract: <P>PROBLEM TO BE SOLVED: To prevent unevenness of warp tension by carrying out feed back control of rotation of a servomotor driving beam for feeding out warp by load displacement magnitude of a tension bar of a warp feeding part.  <P>SOLUTION: Method for controlling the yarn feed part in a warp knitting machine comprises comparing and operating the load displacement magnitude of the tension bar 20 in a prescribed knit course with standard data of load displacement magnitude in a prescribed knit course stored in a memory 30 in a computer 4 for controlling a knitting machine, calculating the number of revolutions of the servomotor 12 corresponding to knitting conditions, feeding the calculated driving signal to the servomotor 12, controlling rotation of the servomotor every the prescribed knit course and feeding warp while retaining the warp in adequate knit tension in the warp knitted machine for positively feeding the yarn through the tension bar 20.  <P>COPYRIGHT: (C)2004,JPO