baber/WOPTO huggingface dataset:
Patent JP-2004101310-A (JP)
Title: Apparatus and method for measuring mtf of optical system
Inventor: BAN MINOKICHI
IPC: G01M11/02
Filed: 2002-09-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for measuring an MTF (modulation transfer function) of an optical system (namely, a lens to be examined), which saves the space, realizes rapid measurement, and reduces costs.  <P>SOLUTION: The apparatus for measuring the MTF of an object optical system includes a first MTF measuring means for measuring a first MTF of a measurement optical system into which the object optical system is not incorporated, a second MTF measuring means for measuring a second MTF of a measurement optical system into which the object optical system is incorporated, and a means for calculating the MTF of the object optical system from the first and the second MTFs measured by the first and the second MTF measuring means.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004102617-A (JP)
Title: Data structure of wireframe, wireframe data compression method and extension method, program, recording medium and system
Inventor: MATSUOKA TSUKASA
IPC: G06T15/00
Filed: 2002-09-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide the data structure of a wireframe allowing processing of compression, storage, transfer and extension of wireframe data formed of free curves, without lowering space efficiency, display speed, transfer speed and extension speed of a storage device such as a hard drive disk due to the increase of data size.  <P>SOLUTION: The data structure of the wireframe for storing the wireframe data formed of free curves of n-dimensional space includes a coordinate table for storing n-dimensional coordinates; a vector table for storing n-dimensional vectors, a scalar table for storing scalar values; a curve information table for storing curve information; a central angle table for storing indexes to the scalar table which stores central angles; a partition number table for storing the number of partitions; and a polyline table for storing polylines.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004101840-A (JP)
Title: Optical fiber and optical communication system using the same
Inventor: YAGI TAKESHI
IPC: G02B6/036
Filed: 2002-09-09
Abstract: <P>PROBLEM TO BE SOLVED: To realize an optical transmission in an optional wavelength band of a range of 1,300-1,650 nm by a single optical fiber, and to realize the optical transmission eithout needing a dispersion compensation device especially in the optical transmission of a comparatively short distance.  <P>SOLUTION: A dispersion value D ps/nm/km in optional wavelength λ nm out of a wavelength band of 1,300-1,650 nm is set to 5≤D≤11 when 1,550<λ ≤1,650, set to 3≤D≤10 when 1,450<λ≤1,550, set to -1≤D≤7 when 1,350<λ≤1,450, and set to -4≤D≤3 when 1,300<λ≤1,350.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004102109-A (JP)
Title: Vibration insulating rubber for image forming drum
Inventor: UEHARA SHIGETAKA
IPC: F16F15/10
Filed: 2002-09-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vibration insulating rubber which is well inserted into an image forming drum and can be manufactured at low cost.  <P>SOLUTION: The vibration insulating rubber 3 is cylindrical to be inserted in contact with the inner circumferential surface of the image forming drum such as a photoreceptor drum 1 of a copying machine and deters a radiant sound from being generated. Consequently, the outer circumferential surface decreases in viscosity to greatly improve inserting property and the production of siloxane can be eliminated. Further, the material itself is inexpensive, so the vibration insulating rubber can be provided at low cost.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004102135-A (JP)
Title: Automatic focusing device and method, and image pickup device
Inventor: HIRAI SHINYA
IPC: H04N101/00
Filed: 2002-09-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an automatic focusing device and method, and an image pickup device capable of shortening the AF time without deteriorating the AF accuracy even when the total number of times of acquiring AF evaluation signals is frequent.  <P>SOLUTION: At the time of photographing, whether a preceding photographing condition and a present photographing condition satisfy a prescribed necessary condition or not is judged (S1). At the time of judging that the prescribed necessary condition is satisfied, only a position close to the focusing position of the preceding photographing is measured, and at the time of judging that the prescribed necessary condition is not satisfied, the whole range finding area of a subject direction is measured (S2, S3). A focusing position is determined by the range finding (S4), a focusing position and a photographing condition for succeeding photographing are stored (S5) and a focusing lens is moved to the focusing position to perform photographing (S6).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003157798-A (JP)
Title: Monolithic seal for sapphire metal halide lamp
Inventor: ADLER HELMER
IPC: H01J9/24
Filed: 2002-09-12
Abstract: PROBLEM TO BE SOLVED: To provide an improved method of coupling a sapphire luminous tube with a PCA end cap assembly so as to prevent leakage or cracks in the sapphire luminous tube. SOLUTION: An end cap including a dense polycrystalline alumina doped with magnesium oxide (MgO) and yttrium oxide (Y2 O3 ) is manufactured, and airtight seal is formed around a sapphire tube which takes on a crystal growth to the end cap.
Patent JP-2004112895-A (JP)
Title: Charging circuit, portable terminal equipped therewith, and charging method
Inventor: KOYAMA AKIRA
IPC: H04B7/26
Filed: 2002-09-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a charging circuit capable of accurately judging completion of charging (full charging) even if a variation occurs in a load of a portable terminal, and to provide a charging method and a portable terminal equipped with the charging circuit.  <P>SOLUTION: When charging is started, a pulse generator 2 detects the off-time of a charging voltage while sensing a voltage of a battery 1, and outputs a pulse width. A counter 7 counts the pulse width outputted from the pulse generator 2. Here, when a load such as, for example, the start of communication is applied, and the change of a state occurs, a comparator 8 compares a full-charge pulse width in the communication outputted from a memory 9 with a value counted by the counter 7, and detects whether or not the battery is in a state of full charging. When the value counted by the counter 7 is the full-charge pulse width outputted from the memory 9 or higher, the comparator 8 turns off a charge stop switch 4 to terminate charging. The full-charge pulse width outputted from the memory 9 is changed in real time according to the state of the load 6.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003343859-A (JP)
Title: Indoor heating system
Inventor: HARAGA KAZUHIRO
IPC: F24D3/00
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem in a conventional indoor heating system which simply continuously operates in heating operation that a user must stop the operation when it becomes hot, or start it as occasion demands, wherein such an operation is troublesome, and comfortable warmness is changed to uncomfortableness when it is too hot.   <P>SOLUTION: This indoor heating system comprises a heat source machine for supplying hot water, a pipe for carrying the hot water from the heat source machine, a circulating fan for sucking air from indoors and blowing it again to indoors, and a heat exchanger for exchanging the air sucked from indoors by the circulating fan with the hot water to warm the air. In this system, the indoor temperature is controlled by changing the hot water temperature of the heat source machine, whereby a comfortable heating operation is regularly performed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004110977-A (JP)
Title: Magnetic head system
Inventor: SHINJO YASUHIKO
IPC: G11B5/584
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To make a magnetic head system for linear tape drive inexpensive and simple.  <P>SOLUTION: A magnetic head 20 for recording and reproducing a magnetic signal to/from a magnetic tape 50 is separated from a pair of fixed rail parts 21 and 22 which are respectively arranged at both sides of the magnetic head 20 and support the magnetic tape 50. Only the magnetic head 20 is driven in the width direction of the magnetic tape 50 by a head feeding mechanism to perform tracking. According to this magnetic head drive, the fixed rail parts for guiding the magnetic tape do not have to be moved with respect to the magnetic tape so that only the magnetic tape can be freely moved in the width direction of the magnetic tape.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004108739-A (JP)
Title: Non-leak infrared gas burner using metallic fiber plate
Inventor: MAKINO MASAMICHI
IPC: F23D14/16
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To attach a heat generation plate made of metallic fibers airtightly without fixing it by a screw.  <P>SOLUTION: A non-leak infrared gas burner using a metallic fiber plate is provided with a case body 11 having a space part whose inside becomes an injection part for air-fuel mixture, the heat generation plate 15 which is formed like a plate having gas permeability by compressing the metallic fibers, is arranged on one face of the case body 11, becomes a gas combustion part, and is heated itself by combustion heat to generate infrared rays, and a gas injection part 17 arranged in the case body to inject gas. A mounting end part 18 of the heat generation plate 15 to the case body 11 is sealed to prevent air-fuel mixture from passing by filling it by a heat-resistant coagulant 19 and is fixed to a heat-resistant fixing frame 21.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004118240-A (JP)
Title: Network printer system
Inventor: AOKI TOYOKAZU
IPC: G06F3/12
Filed: 2002-09-20
Abstract: <P>PROBLEM TO BE SOLVED: To reduce power consumption of a whole system at printing standby, to prevent deterioration of work efficiency at printing resumption and to respond to a request of mass printing.  <P>SOLUTION: A printing state detection part 22 of a host computer 13 detects that all printers are in non-printing states for prescribed time. A retrieval part 24 retrieves the printer whose printing speed is the fastest in the printers. The printer with the fastest printing speed is set to an energy saving mode whose restoration time is comparatively short by an energy saving control part 25, and sets the other printers to an energy saving mode whose reduction effect of power consumption is larger than the said mode. When a new printing instruction is given, the host computer 13 preferentially restores the printer with the fastest printing speed to a printing possible state and makes it perform printing processing.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004114196-A (JP)
Title: Sheet bundle cutting device, sheet processing device and image forming device
Inventor: YONEKAWA MASARU
IPC: B26D1/08
Filed: 2002-09-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compact sheet bundle cutting device for cutting a thick sheet bundle with small cutting force to have an excellent cutting surface at a low cost and a sheet processing device having the sheet bundle cutting device.  <P>SOLUTION: This sheet bundle cutting device has a base for mounting the sheet bundle thereon, a pressing means to hold and suppress the sheet bundle with the base, a load applying means for applying load on a planar blade for cutting the sheet bundle, a longitudinal direction driving means for reciprocatingly moving the blade in the longitudinal direction and a receiving member for receiving a cutting edge of the blade, as typical characteristics.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004114217-A (JP)
Title: Bolt tightening method
Inventor: EGUCHI TAKASHI
IPC: B25B23/14
Filed: 2002-09-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bolt tightening method which tightens a bolt rapidly and adequately with a target tightening force while suppressing axial force dispersion in tightening to use a plurality of bolts.  <P>SOLUTION: A nut runner control part 30 tightens respective bolts 22 sequentially to a nearly completely tightened state to generate each target value (target axial force). Then, the nut runner control part 30 measures respective axial forces of the volts 22 generated by real tightening with the target values and carries out axial force modification sequentially to solve the differences between the axial forces and the target axial forces.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003147533-A (JP)
Title: Plasma enhanced chemical vapor deposition apparatus and method of producing carbon nanotube using the same
Inventor: JIN PYO HONG
IPC: C01B31/02
Filed: 2002-09-26
Abstract: PROBLEM TO BE SOLVED: To provide a plasma enhanced chemical vapor deposition apparatus that grows a carbon nanotube on a substrate at a temperature of about 600 deg.C or lower and that enhances vertical orientation of the growing nanotube as well as adjusting its diameter and length, and also to provide a method of producing carbon nanotube using this apparatus. SOLUTION: The present invention provides a plasma enhanced chemical vapor deposition apparatus wherein a grid is positioned between a gas supply section serving as an upper electrode and a substrate holder serving as a lower electrode, to change an electric field in a process chamber and increase a relative number of reactive fine particles. This apparatus enables the deposition process to be performed at lower temperatures compared with a conventional apparatus. By applying a voltage to the grid, a structural characteristic of a material growing on the substrate can be adjusted, and by employing a position adjustment section for adjusting position and an inclination of the grid, properties of the growing material can be adjusted. The invention also provides a method of producing the carbon nanotube using this vapor deposition apparatus.
Patent JP-2004115085-A (JP)
Title: Chip case
Inventor: KUBO HIROAKI
IPC: B25H3/02
Filed: 2002-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a chip case in which an unsealed seal can be judged, and which is low in cost and is easily unsealable.  <P>SOLUTION: The chip case comprises a housing main body 2 which is a box shape having an opening part on one of main faces and has a space for storing a plurality of throw-away chips, and a lid body 3 closing the opening part of the housing main body 2. The case main body 2 and the lid body 3 are approximately rectangular, and an area from the lid body 3 part to the back face 5 part of the housing main body is strictly sealed with a label 4 whose back face comprises a seal material in such a way that the long side of the label 4 is positioned there. A notch 6 being oblique to the case main body 2 is provided on at least one of the short sides 10 positioned at a lid body 3 part of the label 4 or at the back face 5 part of the case main body.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004118041-A (JP)
Title: Display apparatus and electronic appliance
Inventor: MAEDA TSUYOSHI
IPC: G02F1/13357
Filed: 2002-09-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display apparatus in which the display face can be suitably functioned as a mirror, and to provide electronic equipment equipped with the above apparatus.  <P>SOLUTION: The liquid crystal display apparatus 100 is equipped with a liquid crystal panel 140, a reflective polarizing plate 110 disposed on the observation side of the liquid crystal panel 140, and an absorptive polarizing plate 150 disposed on the back side of the liquid crystal panel 140, with the transmission axes of the reflective polarizing plate 110 and the absorptive polarizing plate 150 intersected each other. The liquid crystal panel 140 is constituted so that the polarization axis can be changed so as to allow at least part of the light transmitting through the absorptive polarizing plate 150 to transmit through the reflective polarizing plate 110. The angle θ made by the reflective axis of the reflective polarizing plate 110 and the longitudinal axis on the display face 101 of the liquid crystal display apparatus 100 is set to >0° to 45°.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003180179-A (JP)
Title: Device for separating milk from dairy animal
Inventor: VIJVERBERG HELENA GERALDA MARI
IPC: A01J5/007
Filed: 2002-09-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for separating milk obtained from a dairy animal, with which a determination as to whether the obtained milk is suitable or not for further treatment is made in an accurate state.  <P>SOLUTION: This device separates milk obtained from a dairy animal. The device is provided with a processing device and with a measuring device for measuring at least one milk variable during a milking run of a dairy animal and for issuing a signal indicative of the measured value to the processing device. The processing device is provided with a memory for storing a reference value for the milk variable and with a comparing device for comparing the measured value of the milk variable with the reference value and for issuing a comparison signal. The device separates milk in dependence on the comparison signal. The measuring device is suitable for measuring during the entire course of the milking run the value of the milk variable for obtaining a momentary measurement pattern of the milk variable. The memory of the processing device is suitable for storing a reference measurement pattern and the comparing device is suitable for comparing the momentary measurement pattern of a milk variable with the reference measurement pattern of the milk variable and for issuing a comparison signal indicative of the comparison result.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004126766-A (JP)
Title: Information device, data back-up method and its program
Inventor: YAMAGUCHI SEIJI
IPC: H04M1/00
Filed: 2002-09-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information device which can be immediately started even when battery consumption is detected.  <P>SOLUTION: This portable information device having an RAM 2 for data management as a main storage to which a power is supplied by a battery 7 is provided with a voltage detection circuit 6 for detecting the battery voltage of a battery 7, an FROM 3 for storing data as an auxiliary storage, a timer 5 for measuring a fixed time and a backup engine 1 for, when the battery voltage of the battery 7 detected by the voltage detecting circuit 6 is turned to be lower than a predetermined value, and the battery 7 is put in the consuming conditions, measuring the continuous time of the consuming conditions of the battery 7, and for storing at least a portion of data stored in an RAM 2 for storing data in an FROM 3 for storing data only when the measured continuous time reaches the fixed time.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004121933-A (JP)
Title: Bag breaking/bag removing apparatus
Inventor: YAMAZAKI AYUMI
IPC: B02C18/00
Filed: 2002-09-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bag breaking/bag removing apparatus having such a structure that two rotors to which a plurality of breaking blades to break bags are attached along their peripheral surfaces are disposed with a gap smaller than the outer diameter of a container at the nearest position of the rotors and that the rotation directions of the rotors are upward from the nearest position of the rotors while the peripheral surfaces of the rotors separate from each other, and to provide the above apparatus with a mechanism to easily remove foreign matter biting into like a wedge a container movement inhibiting members, the member disposed on the peripheral surface of the rotors in the upper position than the axial core of the rotor.  <P>SOLUTION: The container movement inhibiting members is constituted so as to be movable in the direction separating from the peripheral surface of the rotor.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004122638-A (JP)
Title: Printing device and printing method
Inventor: KUNIHIRO SHUNICHI
IPC: B41J11/42
Filed: 2002-10-03
Abstract: <P>PROBLEM TO BE SOLVED: To realize a highly precise printing quality by suppressing a paper displacement when a paper rear end separates from a transfer roller without physically changing a paper feed control and the configuration of a paper transfer mechanism.  <P>SOLUTION: All nozzles d1 of a nozzle part are brought in a usable state as a normal printing operation when the paper rear end has a distance x1 of α from a first sensor 602. It is so controlled that the number of usable nozzles is reduced when the paper rear end is from a point of the distance x1 to a point x2 of the first sensor 602, and at the same time a feed amount of the paper is reduced. In a section from the position x2 of the first sensor 602 to a position x3 of a second sensor 603, printing is interrupted for measuring a paper feed precision. The paper feed precision is measured until the paper rear end is detected by the second sensor 603 while the paper is sent by a minute amount. In a section at the downstream side from the point x3 where the paper rear end is detected by the second sensor 603, printing is resumed by a nozzle group d3 of the paper downstream side, whereby an image in the middle of printing is completed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004124319-A (JP)
Title: Elastic sleeve for shoe press, method for producing elastic sleeve for shoe press and shoe press roll
Inventor: HIKITA TAKATOSHI
IPC: D06B15/02
Filed: 2002-10-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide an elastic sleeve for a shoe press effective for suppressing the swelling of the elastic sleeve and, consequently, keeping the traveling stability over a long period and having improved durability and provide a shoe press roll produced by using the sleeve.  <P>SOLUTION: A sleeve made of an uncured or incompletely cured elastic material is spanned between a pair of rolls, the rolls are moved in the separating direction and bent to approach the middle parts of the rolls by the tension of the sleeve, and the elastic material is completely cured while rotating the sleeve keeping the above state. The inner diameter is gradually decreased from both ends toward the center of the axial direction of the elastic sleeve 1.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004126333-A (JP)
Title: Development device
Inventor: OZAWA ATSUSHI
IPC: G03G15/09
Filed: 2002-10-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a developing device which attains uniform development by efficiently charging magnetic toner, uniformly applies the magnetic toner to a developer carrier, and efficiently removes toner remaining on the developer carrier after development.  <P>SOLUTION: In the developing device 2, a developing roller 3 and a magnetic roller 5 are arranged in a developer container 8 storing magnetic toner 6, a magnetic brush 10 is formed by carrying the magnetic toner 6 on the surface of the magnetic roller 5 to catch the toner 6 by the magnetic brush 10. The magnetic brush 10 is carried to a position opposed to the developing roller 3 by the magnetic roller 5 and only efficiently charged toner is stuck and applied to the surface of the roller 3 by Van der Waals force, reflection force or the like of the toner. On a developing part, a latent image formed on a photosensitive drum 1 is developed by jumping development, remaining toner is returned to the container 8, the toner is mechanically and electrostatically peeled off from the roller 3 by contact with the magnetic brush 10 and the peeled toner is catched in the magnetic brush 10.  <P>COPYRIGHT: (C)2004,JPO