baber/WOPTO huggingface dataset:
Patent JP-2003249715-A (JP)
Title: Drive circuit for semiconductor laser
Inventor: NOZAWA TAKAHIRO
IPC: H01L21/8238
Filed: 2002-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To allow a low-voltage operation and an accurate drive current of a drive circuit for a semiconductor laser to be compatible and to reduce an overshoot.  <P>SOLUTION: The drive circuit for the semiconductor laser comprises an operational amplifier OP for detecting a difference of drain voltages between N-channel MOS transistors Tr1 and Tr2, buffer circuits BF1, BF2 for inputting this different voltage as control voltages of N-channel MOS transistors Tr3, Tr4 to gates of the transistors Tr3, Tr4, and an overlap signal generator 3 for overlapping high-level periods of a complementary signal for driving the circuits BF1, BF2.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003246011-A (JP)
Title: Woody decorative molded article and manufacturing method therefor
Inventor: SANO YOSHIAKI
IPC: B32B21/14
Filed: 2002-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a woody decorative molded article and a manufacturing method therefor which make it possible to keep handling properties of a sliced veneer sheet excellent and also make it possible to firmly join the sliced veneer sheet and a base material together, even when a water-based adhesive is used.  <P>SOLUTION: The woody decorative molded article has a sliced veneer 3, a nonwoven fabric 4 stuck to the rear of the sliced veneer 3, a woven fabric 5 stuck further to the nonwoven fabric 4 and the base material 6 joined to the rear side of the sliced veneer with the woven fabric interlaid. In the manufacturing method of the woody decorative molded article, the sliced veneer 3 is prepared and the nonwoven fabric 4 and the woven fabric 5 are adhered, with pressing, to the rear of the sliced veneer 3 so as to prepare the sliced veneer sheet 7. The sliced veneer sheet 7 is set in a mold and a synthetic resin is disposed on the rear side of the sheet 7 in the mold and molded with pressure. Thereby the synthetic resin is integrated, as the base material 6, with the sliced veneer sheet 7.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003255201-A (JP)
Title: Optical fiber cable and optical fiber cable with plug
Inventor: OKUMURA ATSUSHI
IPC: C08G69/36
Filed: 2002-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical fiber cable with flexibility and excellent dimensional stability and environmental resistance and to provide an optical fiber cable with a plug.  <P>SOLUTION: In the plastic optical fiber cable 10, at least one layer of a primary coating layer 4 and a secondary coating layer 5 of the plastic optical fiber 3 is made of a copolymer polyamide comprising 98 to 50 mol% of lauryllactam and/or 12-aminododecanoic acid, a hydrogenated dimmer acid and a 4-50C diamine compound substantially equimolar to that of the hydrogenated dimmer acid. The bend elastic modulus of the fiber cable 10 for 1 mm displacement in the direction perpendicular to the center axis of the cable 10 is specified to 2 to 15 N/mm. The outermost layer of the optical fiber 3 is made of a fluorinated vinylidene polymer. The optical fiber cable with a plug is equipped with a plug attached to at least one of the ends of the plastic optical fiber cable 10.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003251544-A (JP)
Title: Workpiece positioning device
Inventor: MATSUNAGA KAZUNARI
IPC: B23Q16/02
Filed: 2002-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a workpiece positioning device capable of highly accurately positioning a workpiece on its support member attached to a pole stand type tool.  <P>SOLUTION: In the workpiece positioning device, slits 80a are provided in a floor plate 80 in its travelling direction, and below the floor plate 80, a horizontal circulation track 10 is provided, and a pallet 20 carried on the track 10 is provided. The pallet 20 is provided with a post 23, which is projected from the floor face, and the pole stand type tool 30 is attached to the post 23, and the workpiece support member 70 is attached to the pole stand type tool 30 through an intermediate support 40 and a workpiece setting table 60 and is provided with projected sections 57 for positioning a lift 50, which is to be inserted into recessed hole sections 72a for positioning the horizontal member 72 of the workpiece support member 70. The workpiece W placed on the support member 70 is positioned highly accurately by inserting the projected sections 57 into the recessed hole sections 72a of the support member 70.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003215343-A (JP)
Title: Film stretching method, optical retardation film, and method for manufacturing elliptically polarizing plate
Inventor: ISHIMARU TSUNATOSHI
IPC: B29C55/16
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a stretched film, which can stretch a long-sized synthetic resin film ins a direction crossing the lengthwise direction thereof at <90° and hardly bring about the variance in optical characteristics or thickness on both sides in the film breadthwise direction and can improve the efficiency of laminating to a polarizing plate.  <P>SOLUTION: With respect to a film stretching method, both sides of a long- sized synthetic resin film 1 are grasped in a second direction B at >0° and <90° from first direction A which is the lengthwise direction of the film 1, and the film 1 is stretched in the second direction B.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003256272-A (JP)
Title: Information processing apparatus and information processing method
Inventor: IWASAKI TAMAKI
IPC: G06F12/06
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information processing apparatus and an information processing method for reducing the waiting time of a CPU and an external memory by storing the same information in a high-speed memory and a low- speed memory and arbitrating the memory to be accessed by the CPU.  <P>SOLUTION: An information processing apparatus 100 has a CPU 10 for extracting information stored in a high-speed memory 200 and a low-speed memory 300, a memory access control apparatus 20 for controlling which memory the CPU 10 is to acquire information from, a high-speed memory control part 30 for controlling access to the high-speed memory 200, a low-speed memory control part 40 for controlling access to the low-speed memory, and a sub- processor 50 for extracting the information stored in the high-speed memory.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003256170-A (JP)
Title: System provided with multiple device communicatively connected in master-slave relationship
Inventor: ENDO MASAKATSU
IPC: G06F3/12
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To control a printer by a button operation in a digital camera when the digital camera of a USB (universal serial bus) storage-class device is directly connected to the printer of a USB host.  <P>SOLUTION: The printer 20 periodically transmits a request inquiry command 'Interrupt In' to the camera 10 at a fast rate. The camera 10 returns a printer status request, a print request or a print termination request as a reply to 'Interrupt In' to the printer 20. Excluding the above operation, the camera 10 works as a USB device of a normal storage-class for the printer 20. Thereby, the printer 20 searches a directory in the camera 10 to freely read an image file and a print page layout file required for printing.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003254397-A (JP)
Title: Belt drive transmission device and image forming device
Inventor: HOSHINO SEIJI
IPC: G03G21/00
Filed: 2002-03-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a belt drive transmission device preventing belt from falling off a pulley caused by the deviation of the a belt when a rotary body rotating carrying an image is rotatively driven.  <P>SOLUTION: A drum shaft 3 of a photoconductor drum 4 is rotatably supported in a frame 1 of an image forming device. A drum pulley 8 is fit to the drum shaft 3 through a bearing 2. A drum pulley 8 is fit to the drum shaft 3. A motor 10 is fit to a frame 1. A motor pulley 11 is press-fit to a driving shaft 10a of the motor 10. A steel belt 9 is built across the motor pulley 11 and a drum pulley 8. The drum pulley 8 is constituted with a magnetic material drum pulley 8-1 comprising a magnetic material. The belt 9 is constituted with a magnetic material belt 9-1 comprising the magnetic material. The magnetic material belt 9-1 is attracted to the magnetic material drum pulley 8-1 with magnetic force, and the falling off of the magnetic material belt 9-1 from the magnetic material drum pulley 8-1 is prevented.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003258865-A (JP)
Title: Node, optical path network, program and recording medium
Inventor: YAMANAKA NAOAKI
IPC: H04L45/24
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To speedily set a path and to effectively utilize resources by efficiently transferring a signaling packet.  <P>SOLUTION: When a node of the next stage is a node included in an optimal route for IP packet transfer and the path cannot be set due to the absence of the resource for setting paths up to this node of the next stage, the path is set with an adjacent node having the resources for setting the path as a node substituting for the node of the next stage regardless of its inclusion in the optimal route. Alternatively, the node of the former stage sets a path to its adjacent node.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003268664-A (JP)
Title: Laminated nonwoven fabric
Inventor: KURAHASHI AKIHIKO
IPC: D04H1/559
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a laminated nonwoven fabric having mechanical strengths, air permeability and filtering characteristics and capable of recycling a raw material resin.  <P>SOLUTION: This laminated nonwoven fabric 10 is composed by laminating and bonding a polyolefin split fiber nonwoven fabric 11 composed of a polyolefin resin and a random nonwoven fabric 12 composed of the same resin as the polyolefin resin by thermal embossing using an embossing roll having a plurality of protruding parts formed on the roll surface. The ratio of bonding area of the polyolefin split fiber nonwoven fabric to the random nonwoven fabric 12 by the thermal embossing accounts for about 5-90%, preferably about 7-30%.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003270127-A (JP)
Title: Instrument for measuring light amplitude phase time response
Inventor: AKIYAMA KOICHI
IPC: G01M11/00
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To precisely measure a phase change in a measured sample without stabiliz ing an interferometer.  <P>SOLUTION: This instrument comprises a polarization depending delay time generator 2 for delaying one of light components, orthogonal each other, of a light pulse from a light source 1, a photo demultiplexer 3 for supplying an output of the generator 2 to the measured sample 4 and a frequency modulator 5, a photo multiplexer 6 for photo multiplexing the output passed through the sample 4 and the modulator 5, a polarization-depending photo branching filter 7 for branching the output from the photo-multiplexer 6 into two optical components orthogonal each other, a pair of photo detectors 8, 9 for detecting the branched optical components respectively, a lag time generator 11 for delaying the light pulse from the light source to get in between the two components delayed in the generator 2 so as to be supplied to the sample, and a phase discriminating detector 10 for detecting a phase difference between an amplitude of an evaluation signal and a reference signal, using, as the reference signal, an output alternating current signal in a side same to the side not delayed by the delay time generator 2 out of outputs from the photo detectors 8, 9, and using the other side thereof as the evaluation signal.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004001101-A (JP)
Title: Hand portion device for use in robot device, and robot device
Inventor: YAMAGISHI KEN
IPC: B25J5/00
Filed: 2002-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hand portion device for use in a robot device, which has fingers in a palm portion that are polyarticular, bendable, and capable of carrying out finger tip operations.  <P>SOLUTION: The hand portion device is comprised of weight bearing structures installed in the finger tips and the backs of the hands. Each structure bears the self weight of the robot or enables its rising operation when it rises from its overturned position, a laid position on its back, or a laid position with its face down. In the structure, a material having a coefficient of friction, which is optimum for the condition of the ground to touch, is arranged at the installation site of each finger tip, and therefore the robot can cope with various conditions of a road surface at the time of the rising operation. Further, a distance measuring sensor is installed in the tip of the finger, and therefore the external circumstances such as existence of small obstructions and the road surface conditions which cannot be sensed only by a visual recognizing system such as a camera mounted in a head portion, can be sensed by the operation of an arm.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002346995-A (JP)
Title: Substrate cutting coolant, substrate cutting method utilizing the same and device for performing the same
Inventor: KIM GI-HYEON
IPC: C03B33/10
Filed: 2002-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a coolant in use for cutting a substrate with thermal stress and a substrate cutting method utilizing the same. SOLUTION: A water having the highest specific heat or a mixed solution obtained by dissolving in a water a soluble having a specific heat lower than that of a pure water for improving surface tension, heat conductivity and viscosity characteristics is used for a portion of the substrate, rapidly heated, with the result that the portion of the substrate rapidly heated by a laser beam generating unit 212 is rapidly cooled. Thus, the cutting quality of the substrate is greatly improved and the rate of the board is significantly and effectively improved.
Patent JP-2003265406-A (JP)
Title: Device for moving forward and backward endoscope therapy accessory
Inventor: NISHIIE TAKEHIRO
IPC: A61B1/00
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To perform the operation of moving forward and backward an end- therapy accessory, keeping the hand on an endoscope insertion portion to be held in simple constitution, to reduce the size, weight and cost of the device, and to improve the operability of an endoscope control section itself.  <P>SOLUTION: This device 1 for moving forward and backward an endoscope therapy accessory is provided with a frame 31 freely attached and detached to and from an forceps opening 10 of the endoscope 30 having an end-therapy accessory insert pipe, and a guide 6. The device is further provided with a driving roller 2 and a non-driving roller 3 disposed near the forceps opening 10 to hold the end-therapy accessory 8 and simultaneously move forward and backward the end-therapy accessory 8 to be inserted in the forceps opening in both inserting and pull-out directions, at least one of the rollers being formed by an elastic body, a rotating part 4 connected to the driving roller 2, and a finger pad part 4 for operating the rotating part 4. Thus, the end-therapy accessory can be moved forward and backward, keeping the hand on the endoscope insertion portion to be held in simple constitution.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003280678-A (JP)
Title: Speech recognizing device
Inventor: MIZUSHIMA YASUKAZU
IPC: G10L15/04
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To improve the recognition precision of speech recognition.  <P>SOLUTION: Speech information inputted as an object to be recognized is converted into input speech data and speech recognition is performed for the data; and at this time, pieces of speech data which are cut by removing data of a specified time from the head of the input speech data and differ in time length are generated as pieces of speech processing data. The input speech data and the pieces of speech processing data are regarded as speech data for recognition and speech recognition is performed for the speech data for recognition respectively. When a plurality of candidates are detected, for example, in the speech recognition on the basis of the result of the speech recognition of the speech data for recognition, a decision value is calculated from the frequency at which one word appears as a 1st candidate or the frequency at which one word appears as 1st and 2nd candidates and the word has the maximum score SC found from the decision value and is specified as a final recognition result.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003279480-A (JP)
Title: Single shot transition absorption measurement method and single shot transition absorption measurement system using broadband super-continuum ultra-short light pulse
Inventor: KONISHI TAKESHI
IPC: G01N21/27
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a system for measuring transitional absorption variation of an ultrahigh-speed phenomenon over a wide wavelength band in a substance with a single shot.  <P>SOLUTION: A broadband super-continuum ultra-short light pulse 3 is branched into reference light 4 and probe light 5 to input the probe light 5 to an optical fiber 6. A signal light pulse 8 outputted from the optical fiber 6 is entered into a diffraction grating 10. The signal light pulse 8 dispersed by the diffraction grating 10 is subjected to time-space conversion into a frequency distribution 12 by a cylindrical lens 11. The frequency distribution 12 is subjected to spatial frequency filtering by a time-frequency conversion filter 13, and subjected to inverse time-space conversion into a two-dimensional lightwave distribution 15 by a cylindrical lens 14, so that an interference distribution of the lightwave distribution 15 with the lightwave from the reference light 6 is obtained as a light spectrogram 16 representing temporal variation of the frequency distribution of the signal light pulse.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003283858-A (JP)
Title: Method, device and program for generating color conversion definition
Inventor: OKAMOTO TAKAHIRO
IPC: H04N1/60
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To generate color conversion definition by which color conversion which meets human sense of color is performed with high precision, even when the enlargement of the area of the color to be expressed on an image recording medium such as a reversal film is obtained only in the partial area of the color reproduction area in an input device, etc., concerning a color conversion definition generating method for generating color conversion definition to convert input image data obtained by reading an image recorded on the image recording medium through the use of an input device into output image data which meets an output device to output the image based on image data.  <P>SOLUTION: The first color reproduction area expressing the area of the color to be expressed on the image recording medium is made to correspond to a cubic color reproduction area in color space relying on a color printer for recording the image on the image recording medium. Then color mapping is performed on L*a*b* space.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003284029-A (JP)
Title: Contents distribution system and radio communication terminal
Inventor: NARUSE TETSUYA
IPC: H04N21/458
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To download selected contents from a server to immediately reproduce and output the contents.  <P>SOLUTION: Before selecting and determining one of a plurality of kinds of programs after accessing to a server 3, a user downloads streaming data S1A, S2A, S3A, etc., of contents concerning the plurality of kinds of programs in advance by specified data units one after another, and stores the downloaded streaming data S1A, S2A, S3A, etc., in a data memory 7. When any of the plurality of kinds of contents is selected and determined, the user reproduces and outputs the streaming data S1A concerning the selected and determined contents stored in the data memory 7. This greatly reduces waiting time for reproducing and outputting any program after selecting it, thereby surely reducing the user's stress resulting from the waiting time for outputting after selecting the program.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003283055-A (JP)
Title: Tunable light emitting device and wavelength conversion device
Inventor: NISHIMURA KOTA
IPC: H01S5/343
Filed: 2002-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To offer a wavelength conversion device which has a simple structure and can change its emission wavelength.  <P>SOLUTION: This tunable light emitting device is equipped with contact layers 2 and 6, cladding layers 3 and 5, and an active layer 4. The active layer 4 includes barrier layers 41 and 47, blocking layers 42, 44, and 46, and well layers 43 and 45. When a voltage of the predetermined intensity is applied, an electron 15 travels along the route shown by arrows 17 to 19, and is injected in a sublevel 13 of the well layer 45. An electron hole 16 travels along the route shown by arrows 20 to 22, and is injected in a sublevel 12 of the well layer 43. The wave function of the electron which occupies the sublevel 13 penetrates into the well layer 43 via the blocking layer 44 by the Stark effect, and a sublevel 23 is induced by the well layer 43. The electron which occupies the sublevel 23 recombines with the electron hole which occupies the sublevel 12, then light which has a wavelength equivalent to the difference in energy between the sublevels 23 and 12 is emitted.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002373081-A (JP)
Title: Network technology for taking measures against malfunction of equipment
Inventor: AKASAKA YOSHIHIKO
IPC: G06F11/22
Filed: 2002-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a technology capable of more easily taking measures against a malfunction of peripheral equipment. SOLUTION: In the case a user selects an element for a malfunction countermeasure instruction on a page for malfunction countermeasures displayed by a browser of a client 200, the client 200 transmits a transfer request for a malfunction measure program to servers 110 and 120. The servers 110 and 120 transfer the malfunction countermeasure program in response to the transfer request. When the download of the malfunction countermeasure program is completed, the malfunction countermeasure program is automatically started on the client 200 to perform malfunction countermeasure processing.
Patent JP-2003288960-A (JP)
Title: Seal member for connection terminal
Inventor: MACHIDA YUKIFUMI
IPC: H01R13/52
Filed: 2002-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To prevent vibrations of a connection terminal inserted into a housing.  <P>SOLUTION: This seal member 17 comprises a through-hole 21 having an inner diameter smaller than the diameter of a wire, a sealing part 22 coming into tight contact with the peripheral wall surface of a terminal receiving hole to thereby seal the space and having a diameter greater than the inner diameter of the peripheral wall surface, a plurality of sucking disk 23 provided in part of the sealing part 22 to stick to the peripheral wall surface of the terminal receiving hole, and a terminal crimping part 24 located at the front of the sealing part 22. The sucking disks 23 provided in part of the sealing part 22 allows sticking to the peripheral wall surface of the terminal receiving hole. The connection terminal is thus brought into tight contact with the peripheral wall surface of the terminal receiving hole by the seal member 17, and hardly slides even if the housing vibrates, or even if the pressure inside the terminal receiving hole rises when coupled to a counterpart housing or due to a temperature rise inside the hole.  <P>COPYRIGHT: (C)2004,JPO