baber/WOPTO huggingface dataset:
Patent JP-2003276206-A (JP)
Title: Method for producing liquid drop ejection head, liquid drop ejection head, ink cartridge employing liquid drop ejection head, and ink jet printer
Inventor: TOYODA GENJIRO
IPC: B41J2/16
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing an ink jet head at a low cost by taking advantage of anisotropic etching capable of micromachining a silicon single crystal substrate with high accuracy and sand blast etching for boring holes through the silicon substrate.  <P>SOLUTION: In the method for producing an ink jet head comprising a nozzle plate 1 provided with a plurality of nozzles 2, a channel plate 3 provided with tubes 6 communicating with the nozzles 2 and pressurized liquid chambers 4, and a diaphragm 7 for pressurizing liquid in the pressurized liquid chamber 4, the channel plate 3 is formed of a silicon substrate having a face orientation of (100). In a first process, a silicon nitride film is formed as a mask pattern from the pressurized liquid chamber side and anisotropic wet etching is performed at a depth required for the pressurized liquid chamber 4. In this regard, the interconnecting tube 6 part is also processed. In a second process, sand blast etching is performed from the nozzle surface side in a mask pattern formed of a dry film and then through holes communicating with the pressurized liquid chambers are made thus completing the ink jet head.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003282210-A (JP)
Title: Electronic part mounting socket
Inventor: SHIRAI HIROYUKI
IPC: H01L23/32
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To realize an electronic part mounting socket used when an evaluation of a characteristic of an electronic part such as a semiconductor is carried out, particularly used when the electronic part is mounted to a mounting base plate for evaluation and coping with miniaturizing and a narrow gap of an electrode of an object to be inspected.  <P>SOLUTION: A contact part comprises a conductive member. One ends thereof are provided along the circumference of a cylindrical elastic body having restorability respectively and the other ends are connected to a take-out electrode to the outside respectively. When the electronic part is attached thereto, one end side of the contact part and elastic body are deformed to clamp the electronic part.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002321822-A (JP)
Title: Transfer apparatus for bottle case and corrugated fiberboard case
Inventor: MITA HIDEKI
IPC: B65G57/03
Filed: 2002-03-25
Abstract: PROBLEM TO BE SOLVED: To provide a transfer apparatus which picks a group of corrugated fiberboard cases and a group of bottle cases by unit of layer and transfers them to the same conveyance destination. SOLUTION: This transfer apparatus consists of a bottle case lifter 2 for moving a plurality of bottle cases to a picking area, a corrugated fiberboard case lifter 1 for moving a plurality of corrugated fiberboard cases to the picking area, a delivery lifter 3 which receives, in a stacked condition, the group of bottle cases tiered in a layer form or the group of corrugated fiberboard cases tiered in a layer form in a stacking area, a picking device 4 for bottle cases arranged between the picking area and the stacking area, and a corrugated fiberboard box layer picking device 5.
Patent JP-2003277591-A (JP)
Title: Epoxy resin composition, prepreg and laminate
Inventor: FUKASE TOSHIMITSU
IPC: H01L23/14
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an epoxy resin composition achieving flame retardancy of the UL94V-0 level with halogen-free compounds, substantially suppressing lowering of the elastic modulus in the high-temperature range equal to or higher than the glass transition temperature and permitting formation of laminates having high flame retardancy, heat resistance and joining reliability.  <P>SOLUTION: The composition comprises an epoxy resin, a compound of formula (1) and/or (2) wherein, R<SB>1</SB>to R<SB>3</SB>are each an allyl group and/or a glycidyl ether group; and R<SB>4</SB>to R<SB>6</SB>are each an aromatic group), an epoxy silane oligomer and a hardening agent. A prepreg and a laminate containing the composition are also provided.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003290994-A (JP)
Title: Mechanical powder molding device
Inventor: NINOMIYA MASAYUKI
IPC: B30B11/00
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mechanical powder molding machine capable of suppressing the dispersion of powder feeding quantity and improving cycling time.  <P>SOLUTION: The mechanical powder molding device having a die, upper and lower punches and a powder feeder and capable of driving a process for pressurizing and extracting powder by the upper and lower punches and a process for feeding a powder material by the powder feeder by one motor in an interlocking state is provided with a means for changing the speed of the motor in a cycle.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003293290-A (JP)
Title: Newsprint paper for offset printing
Inventor: YOKOUCHI HIDEYUKI
IPC: D21H19/38
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide newsprint paper which has high opacity and an excellent color print quality, does not cause blanket piling and blanket adhesion, and has excellent printing operability.  <P>SOLUTION: This newsprint paper for offset printing is obtained by coating and drying paper with a surface-treating agent comprising an adhesive and a pigment containing at least one of huntite and hydromagnesite. The newsprint paper for the offset printing has high opacity, excellent printing operability and a color print quality.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003293253-A (JP)
Title: Particle-including nonwoven fabric
Inventor: MINEMURA SHINICHI
IPC: D04H1/413
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that, when functional particles are firmly fixed with an increased amount of binder, the air-flow resistance is increased and also the function of the particles cannot be developed fully, and to permit the used nonwoven fabric to be easily disposed of.  <P>SOLUTION: The particle-including nonwoven fabric has a layer including 50-500 wt.%, based on the weight of the nonwoven fabric, of particles with an average particle size of 100-1,000 μm in the nonwoven fabric mainly comprising electlet-made aliphatic polyester fiber and the particles are fixed to the fabric by its thermal shrinkage of the nonwoven fabric made mainly of the aliphatic polyester.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003293671-A (JP)
Title: Glass sash structure without requiring curtain
Inventor: SO KOKI
IPC: E06B9/24
Filed: 2002-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a glass sash structure without requiring a curtain.  <P>SOLUTION: This glass sash structure is formed of a main frame and a storing seat part. A sealing space is formed in the main frame, two glass panes apart from each other at a proper distance are installed in the space, and a water access port is provided at a bottom end part. A storage tank having a pump and a water storage tank installed therein is installed on the storing seat part, the pump receives a proper control to raise water from the water storage tank, and fills water from the water access port between the sealing space. Also, water is extracted from the sealing space, returned from the water access port to the water storage tank, and forms one water supply and water storage system. By combining the color of the liquid with proper water supply and water storage to the sealing space of the glass panes, such transparent effects of curtains as the complete, semi-, or non-cutout of light beam can be provided.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002337000-A (JP)
Title: Guide arrangement for machine tool
Inventor: KRAMSKI WIESTAW
IPC: B21D37/10
Filed: 2002-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a guide arrangement for a machine tool which realizes high guide precision to manufacture more reasonably and simply while avoiding a space problem. SOLUTION: In the guide arrangment for the machine tool, a guide post 11 born by a guide pin bushing 5 extends between a machine member 2 at the side of the tool which carries the tool and a machine member 3 at the side of a material to be machined which carries the material to be machined, and guides the relative motion of these members in an axial direction in cooperation with the guide pin bushing. A tenon joint 8 which engages both machine members in the state where there is no play in the diameter direction when the tool acts on the material to be machined in the last relative motion in the axial direction, is formed by the guide post 11 and the guide pin bushing 5. The portion which forms the tenon joint is placed adjacently or coaxially to the axial direction to the bearing 7 of the guide post in the guide pin bushing.
Patent JP-2003291478-A (JP)
Title: Print head serial printer
Inventor: KUMAGAMI KENICHI
IPC: B41J19/18
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a serial printer in which contact of a print medium and a print head can be prevented by detecting warp at the opposite ends of the print medium on a platen.  <P>SOLUTION: A print head reciprocating in the main scanning direction is provided with a light emitting section and a light receiving section such that the optical path from the light emitting section to the light receiving section passes between the print head and a print medium. When the optical path is intercepted, occurrence of warp at the end of the print medium is detected.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003291694-A (JP)
Title: Power supply facility for alternate current electric railroad
Inventor: WATANABE HIDEO
IPC: B60M3/04
Filed: 2002-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To dispense with the installation of a detector on a rail side for detecting a position of an electric rolling stock in a power supply facility for supplying electric power to a middle section from a separate power supply device.  <P>SOLUTION: Inverter power supply devices 1 to 11 are provided as the separate power supply devices. Advance of the electric rolling stock into the middle section, its passing through the middle section, and its coming out of the middle section are detected as positions of the electric rolling stock from the detection of presence/absence of load of the inverter power supply devices and differences of frequency/phase with M seat or T seat power supply to control to a voltage and a phase equal to the M seat power supply before the electric rolling stock advances into the middle section from the M seat power supply and until all cars of the electric rolling stock advance into the middle section and control to a voltage and a phase equal to the T seat power supply before the electric rolling stock comes out of the middle section and until all cars of the electric rolling stock come out of the middle section. The detection of a position of the electric rolling stock by detecting presence/absence of load of the inverter power supply devices and detecting a pressurization/non-pressurization condition to the separate power supply devices by the different power supply is included in this operation.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002321925-A (JP)
Title: Controller for glass product forming machine
Inventor: SIMON JONATHAN S
IPC: C03B9/41
Filed: 2002-04-09
Abstract: PROBLEM TO BE SOLVED: To improve a control system for a bottle forming machine and facilitate machine adjustment to enhance productivity by simplifying machine operation. SOLUTION: The bottle-forming machine is controlled by a programmable sequencer, which specifies a machine-cycle having a predetermined cycle time. According to a computer model, whether a collision against a gob, a parison, a bottle or an optional mechanism results in occurrence is judged in accordance with a time to form displacement, a machine-cycle time, an operation period of each mechanism from a forward position to a refuge position, its reverse operation period and a collision zone between an interference path.
Patent JP-2003303479-A (JP)
Title: Disk device
Inventor: ABE HIROSHI
IPC: G11B17/028
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To drive the driving force for driving a head and the driving force for driving conveyance means or the like by a common motor.  <P>SOLUTION: The disk device is provided with a swivel arm 71 facing the respective directions of head transfer means 4 and control means 60 and a locking control plate 80 superposed on this swivel arm 71. A switching arm 90 for rotationally moving the plate 80 by the moving force when the optical head 3 arrives at a threshold position for the movement is disposed between the plate 80 and the means 4.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003304200-A (JP)
Title: Redundant system of catv transmission route
Inventor: NAKAMURA SATOSHI
IPC: H04N7/16
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that an O/E converter has to be provided in each route.  <P>SOLUTION: A center side is provided with an LD for outputting an outgoing optical signal, an O/E converting part for converting an incoming optical signal into an electric signal, a detecting part for the electric signal, a wavelength control part for switching oscillation wavelengths of the LD on the basis of the electric signal detected by the detecting part, and a route switching part for outputting the outgoing optical signal to an outgoing normal route when the outgoing optical signal has a prescribed wavelength and outputting the optical signal to an outgoing redundant route when the optical signal has any wavelength other than the prescribed wavelength. A node side is provided with an LD for outputting an incoming optical signal, an O/E converting part for converting the outgoing optical signal into an electric signal, an optical monitor part for monitoring the level of the outgoing optical signal inputted to the O/E converting part, an oscillating part for generating a carrier wave to be inputted to the LD, an oscillation control part for turning on/off the oscillating part on the basis of monitor results at the optical monitor part, a wavelength control part for switching oscillation wavelengths of the LD on the basis of the on/off of the oscillating part, and a route switching part for outputting the incoming optical signal to an incoming normal route when the incoming optical signal has a prescribed wavelength and outputting the optical signal to the incoming redundant route when the optical signal has any wavelength other than the prescribed wavelength.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003303080-A (JP)
Title: Network interface circuit and data output system
Inventor: TAKAHASHI TOSHIO
IPC: G06F3/12
Filed: 2002-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To make a judgment whether or not a frame requires a reply and to determine a reply destination, without the need for a CPU.  <P>SOLUTION: In an ASIC which incorporates a MAC 1 as a network interface and a DMA controller 5 and has a function for accessing a memory 10 shared with a system through the DMA controller 5, a function is included which extracts a source address in the frame if the received frame is a status request frame, or outputs a request signal to a corresponding circuit block if a hardware reply is required.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003301992-A (JP)
Title: Fire resistance material for pipe body connecting part
Inventor: SUGIHARA NOBUKAZU
IPC: H02G3/04
Filed: 2002-04-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fire resistance material which is easily filled up in the narrow part of the contacting part of the end part of the pipe body buried in a concrete wall with accessories such as a box, and freely copes with various sizes of the pipe bodies.  <P>SOLUTION: The fire resistance material F is inserted and filled up from an opening part side of the box B into the connecting part to which the electric wire pipe P is connected to the box (accessories) B in order to prevent the electric wire pipe (pipe body) P buried in the concrete wall or the cable (inserted material) C<SB>1</SB>inserted in it from spreading by the fire or the like. The fire resistance material F is filled up in the connecting part by adhesion on the inside surface of the contacting part or the outside surface of the cable C<SB>1</SB>. It consists of aggregate of a plurality of small pieces of fire resistance material F<SB>1</SB>formed with the fire resistance material which prevents the spread of fire by heat expansion and the required number of the pieces chosen according to the size of the electric wire pipe P or the like, is filled up into the connecting part.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003306910-A (JP)
Title: Road guide sign
Inventor: IBE YUJI
IPC: E01F9/00
Filed: 2002-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a road guide sign surely recognizing a road information by a driver during a traveling on a road regardless of a time zone.  <P>SOLUTION: A display section 1 displaying the road information J is installed to a supporting member 2 by mounting means 3, 4 and 9, and a display site 5 for the road information J is formed of a row material, through which light is transmitted, in the display section 1. The mounting means 3, 4 and 9 are mounted at places where the morning sun and the westering sun shining into the whole display site 5 are not intercepted.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003317293-A (JP)
Title: Semiconductor laser drive circuit and optical head
Inventor: SHIBUYA GIICHI
IPC: H01S5/042
Filed: 2002-04-18
Abstract: <P>PROBLEM TO BE SOLVED: To generate a satisfactory semiconductor laser driving signal even when the pulse width of pulsed light emitted from a semiconductor laser is small in particular.  <P>SOLUTION: A semiconductor laser drive circuit is provided with a driving IC 4 and a substrate mounted with the IC 4. The IC 4 comprises; a switching element for generating the driving signal; a high potential power terminal 42 and a low potential power terminal 43 for supplying power voltage to the switching element; and a driving signal output terminal 44 for outputting the driving signal generated by the switching element to outside. The terminals 42 to 44 are arranged in a line at one side part of the main body 4a of the IC. The substrate has conductive parts 45 to 47 connected to the terminals 42 to 44. Chip capacitors 51 and 52 are arranged by the one side part of the IC 4 where the terminals 42 to 44 are arranged, and one end of the capacitor 51 and that of the capacitor 52 are connected to the terminal 42 and the other ends are connected to the terminal 43.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003313870-A (JP)
Title: Earth retaining structure
Inventor: FUKUDA YASUIKU
IPC: E02D17/04
Filed: 2002-04-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an earth retaining structure allowing sheet piles to be easily installed and increasing a sealability.  <P>SOLUTION: In this earth retaining structure 1, deck plates 4 are installed between master piles 3 driven in a ground 2 continuously in vertical direction with ribs 5 facing toward an excavating side. The lower end parts of the deck plates 1 positioned on the upper side are overlapped with the insides of the upper end parts of the deck plates 1 positioned on the lower side, and the end parts of the deck plates 1 are allowed to abut on the master piles 3 through packing materials 6.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003312284-A (JP)
Title: Buffer mechanism of power transmission unit
Inventor: MASUDA TADAYUKI
IPC: F16F7/12
Filed: 2002-04-22
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that a conventional buffer mechanism cannot afford a sufficient collision energy absorbing effect at the time of the collision of vehicles nor a required buffer performance according to a vehicle.  <P>SOLUTION: A buffer mechanism comprises a cylindrical follower shaft 3 connected to a drive shaft 2 via a uniform speed joint 4 and slidable in the axial direction, a center bearing 5 bearing the drive shaft so that it can rotate freely against a vehicle body, and a labyrinth mechanism 28 for sealing the interior of the center bearing. A reinforcing core material 11c of a boot 11 fitted on one end 7b of a holding part 7 is arranged in opposite in the axial direction to a sealing member 30 of the labyrinth mechanism. According to the above arrangement, when an axial load is applied from the drive shaft to the follower shaft and both shafts slide to approach each other, the reinforcing core material 11c approaching in the axial direction collides against the sealing member 30, causing the core material and sealing member to compressively deform each other to exert a buffer effect.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003312715-A (JP)
Title: Foldable frame body and packing material using it
Inventor: AOKI MASAO
IPC: B65D88/52
Filed: 2002-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a foldable frame body by which when it is folded during unused time, the thickness after folding can be thin, and volume efficiency during delivering and storing at a storing place can be thereby improved, and as only two kinds of necessary number of unit plates are assembled to make various sizes of bodies, a remarkably large cost reduction can be brought about.  <P>SOLUTION: A foldable frame body 50 is constituted of two kinds of the unit plates A and B. Each of the unit plates A and B is provided with base plates 11 and 21 with hinge parts on both ends and reinforcing projections 14a, 14b, 24a and 24b formed on their back surfaces. When they are folded at a hinge connecting part P as a hinged support and the frame body 50 is piled up into two layers, the hinge parts and the reinforcing projections formed respectively on two unit plates facing to each other are respectively stored into the spaces s1, s2 and s3 (s21, s22 and s23) of the other sides and as the result, the whole thickness becomes thin.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003281481-A (JP)
Title: Recognition code by combination of element cell, and recognition code sheet
Inventor: MATSUDA MASAYUKI
IPC: G06K19/06
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To widely apply a recognition code and a recognition code sheet to automatic recognition systems for retrieval, distribution, management, control, etc., by recording highly integrated data in a reduced space.  <P>SOLUTION: A unit module is cell-expressed by a plurality of elements E<SB>1</SB>to En and a composed element by the optional positive or negative multiple of the basic numeral of radix. In an element cell where a plurality of the elements and its composition are cell numeral information and zero information, a non-element cell (space) is added and arrayed as a function code.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003323199-A (JP)
Title: Device and method for encoding, device and method for decoding
Inventor: OSHIKIRI MASAHIRO
IPC: G10L19/02
Filed: 2002-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To perform high quality encoding and decoding with a low bit rate.  <P>SOLUTION: A downsampler 101 downsamples the sampling rate of an input signal from a sampling rate FH to a sampling rate FL. A basic layer encoder 102 encodes a sound signal of the sampling rate FL. A local decoder 103 decodes an encoded code outputted from the basic layer encoder 102. An upsampler 104 increases the sampling rate of a decoded signal to the FH. A subtracter 106 subtracts the decoded signal from the sound signal of the sampling rate FH. An expansion layer encoder 107 uses a parameter of a decoded result outputted from the local decoder 103 to encode a signal outputted from the subtracter 106.  <P>COPYRIGHT: (C)2004,JPO