baber/WOPTO huggingface dataset:
Patent JP-2005209797-A (JP)
Title: Light source device and optical communication system using same
Inventor: MORIMOTO NAOYUKI
IPC: H01S5/022
Filed: 2004-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light source device including speckles that can satisfy a light emission pattern and minimize optical output, and to provide an optical communication system using the same.  <P>SOLUTION: The light source device uses a semiconductor laser 1 that offers small dispersion of an incident light and a large quantity of speckle, and it is applicable to an IrDA 1.1. In this case, the shape of a lens 6 made of epoxy is controlled so that it may be at a directional half angle according to the speckle quantity, on the basis of a relationship between the speckle quantity required according to (maximum radiation intensity)/(minimum radiation intensity within ±Θ of radiation angle) and (maximum radiation intensity outside ±2Θ of radiation angle)/(minimum radiation intensity within ±Θ of radiation angle) and directional half angle/communication angle concerning the IrDA 1.1. Thus, the light source device having radiation intensity distribution suitable for the radiation pattern mask of the IrDA 1.1 can be obtained by a minimum optical output.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005213778-A (JP)
Title: Locking device
Inventor: UCHIDA AKIYOSHI
IPC: E05B17/22
Filed: 2004-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a locking device capable of checking whether a revolving door or a sliding door is completely closed.  <P>SOLUTION: An auxiliary lock 1 having an auxiliary lock body 3 provided with a dead bolt 6 and a receiving member 5 is provided with permanent magnets 8 for detecting the door 4 located in a position where the dead bolt 6 can be inserted in a keyhole 7, and the auxiliary lock body 3 is provided with switches 13A, 13B for detecting the permanent magnets 8.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005215905-A (JP)
Title: Image input device
Inventor: WATANABE MITSURU
IPC: H04N7/18
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To surely and rapidly detect an indicia for a nonstandard-sized mail.  <P>SOLUTION: When a mail F passes through a proximity detection part 6, ultraviolet ray is radiated to the mail F at predetermined timing from a light irradiation part 9 of an image input unit 2. When the mail F is uniformly irradiated with ultraviolet ray, a phosphor formed in the indicia is excited to emit fluorescence. When the indicia is, for example, by a postal meter, red fluorescence is incident on a phosphor receiving optical system along a phosphor detection optical axis La when the indicia passes through a phosphor detecting visual field. When the indicia is, for example, a postage indicia (e.g., one adapted in US), and contains a phosphorescent material, green phosphorescence is incident on a phosphorescence receiving optical system along a phosphorescence detecting optical axis Lb when the indicia passes through a phosphorescence detecting visual field not irradiated with ultraviolet ray.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005217150-A (JP)
Title: Hybrid laser beam irradiation method and hybrid laser device used therefor
Inventor: SAKURAI TSUTOMU
IPC: B23K26/00
Filed: 2004-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To enable irradiation of laser beam hybridized by solid state laser medium and LD so as to prolong the life of LD.  <P>SOLUTION: A first laser light source 4 consisting of a solid state laser medium 3 excited with a lamp, and a first and a second laser beams 7 and 8 outputted from a second laser light source 6 consisting of an LD 5 are made to superimpose, and to irradiate as a hybrid laser beam 9 for the use of processing or the like. When outputting the first and second laser beams 7 and 8, after the first laser light source 4 is made active by its excitation, the excitation of the second laser light source 6 is started. After that, the above purpose is attained by making the first and second laser light sources 4 and 6 into a target output state.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005218313-A (JP)
Title: Lure
Inventor: HIRAHARA KENJI
IPC: A01K85/01
Filed: 2004-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lure producing a complicated movement and strongly arousing the interest of fish when receiving a water stream in water.  <P>SOLUTION: The lure has the end on the tail side of a lure rear body 2 of the lure machined into a shape as follows. Both ends in the width direction are extended to the rear and a part in the vicinity of the central part in the width direction is recessed to the front. Two shafts 11 are installed in the width direction over the recessed part at the end on the tail side of the lure rear body 2 and metal plates 10 are hung freely movable in the shaft direction on each shaft of the two shafts 11. Furthermore, the two shafts are arranged on different levels displaced in the vertical directions and the front and rear directions of the lure rear body 2. A part of the two metal plates 10 can mutually be made to collide when receiving the water stream in water.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005220533-A (JP)
Title: Precast concrete slab
Inventor: NISHIMURA TAKUYA
IPC: E04B5/02
Filed: 2004-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a precast concrete slab capable of reducing cost while having sufficient rigidity.  <P>SOLUTION: This precast concrete slab is constituted so as to fix a fixing part 4 fixed to a building beam material by appearing on the outside edge of a concrete floor slab 1 to both end parts of a horizontal brace 2, by embedding the horizontal brace 2 inside the concrete floor slab 1. Thus, the horizontal brace 2 can be joined to and arranged on the building beam material together with the concrete floor slab 1 by joining the concrete floor slab 1 to the building beam material via the fixing part 4. As a result, the sufficient rigidity can be provided as the concrete floor slab 1. Since work at an elevated spot is facilitated more than when arranging the horizontal brace 2 separately from the concrete floor slab, workability is improved, and the cost can be reduced.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005221043-A (JP)
Title: Valve sealing structure for fuel tank
Inventor: MATSUZAKI TORU
IPC: F16K15/14
Filed: 2004-02-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a valve sealing structure for a fuel tank capable of obtaining higher sealing performance in comparison with an existing structure when closing a valve element.  <P>SOLUTION: The fuel tank is provided with a housing 7 fixed to a fuel reserving tank body and a fuel feeding valve 2 built inside the housing 7 and having a valve element 10 provided with a seal member 14 and for shutting oil with abutment of the seal member 14 on a seal surface 7b of the housing 7 when the valve element 10 is closed. The seal member 14 is provided with a base part 14a fixed to the valve element 10 and a seal lip part 14b obliquely extended from the base part 14a in a radial-outside component direction of the valve element 10 and in a component direction for closing the valve element 10 to abut on the seal surface 7b. A space 15 for deflection for allowing deflection of the seal lip part 14b when the seal lip part 14b abuts on the seal surface 7b is formed between the valve element 10 and the seal lip part 14b.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005227420-A (JP)
Title: Image forming apparatus
Inventor: NAKANO KUNIAKI
IPC: G03G15/20
Filed: 2004-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To eliminate non-uniformity of the surface temperature of a fixing roller by controlling the surface of the fixing roller at a fixed temperature in a standby state by a temperature detecting means arranged in the non-paper passing area of the fixing roller, regarding an image forming apparatus provided with a fixing apparatus having the fixing roller with a plurality of built-in heaters.  <P>SOLUTION: The center part of the fixing roller 61 is mainly heated by the main heater H1 incorporated with the fixing roller 61, and both end parts of the fixing roller 61 are mainly heated by the sub heater H2. A thermistor 63 (temperature detecting means) comes in contact with the non-paper passing area on the surface of the fixing roller 61. When the temperature detected by the thermistor 63 becomes below a reference temperature Th, the sub heater H2 arranged inside the fixing roller is periodically made in an energized/non-energized state, thereafter, the main heater H1 is made in an energized/non-energized state at a cycle longer than that of the sub heater H2, and when the detection temperature becomes below the reference temperature Th, power supply to both heaters is ended. When the detection temperature becomes below the reference temperature Th again, the aforesaid operation is repeatedly carried out.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005228673-A (JP)
Title: Electrode for solid polymer fuel cell
Inventor: SUGIURA MIKIO
IPC: H01M8/10
Filed: 2004-02-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrode for a solid polymer fuel cell having a catalyst layer in which reduction of a catalyst utilization rate due to oxide film generated on the catalyst surface is suppressed.  <P>SOLUTION: As for the electrode for the solid polymer fuel cell, in the electrode for the solid polymer fuel cell having the catalyst layer which has a catalyst metal formed at least at one part of a polymer electrolyte film, the catalyst layer is applied for a treatment heated under a reducing gas atmosphere. As for the electrode for the solid polymer fuel cell, since three-phase interface amount increases in which electrochemical reaction proceeds by increase of a reaction surface, the fuel cell having high cell characteristics is formed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005236344-A (JP)
Title: Voip gateway apparatus and positional information transmission method
Inventor: SATO SUKEYOSHI
IPC: H04L12/70
Filed: 2004-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a registrar from falling into a congested state, due to transmission of a plurality of positional information items assigned to a VoIP gateway apparatus to the registrar.  <P>SOLUTION: A VoIP gateway apparatus 1 includes a positional information storage section 106 for storing a plurality of the positional information items assigned thereto; a queue registration section 108 for registering the positional information items to a queue managing section 105; a queue extracting section 109 for extracting the positional information items from the queue managing section 105; and an SIP processing section 104 for transmitting a registration request of the extracted positional information items to a proxy server 3. Each time a prescribed time elapses, the queue extracting section 109 extracts the positional information items from the queue managing section 105. The queue registration section 108 manages the positional information items, whose registration request is transmitted in cross-reference with the retransmission time included, in response to the request, and detects the positional information items after a lapse of the re-transmission time included in the response, after the reception of the response to register the positional information items to the queue management section 105.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005231094-A (JP)
Title: Inkjet recording material and method for manufacturing it
Inventor: SHINO SHIGEKI
IPC: B41M5/52
Filed: 2004-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inkjet recording material with an extremely high gloss which cannot be attained by conventional technologies in details and a method for manufacturing it in relation to the inkjet recording material comprising a pigment and the method for manufacturing it.  <P>SOLUTION: The inkjet recording material has at least one lower layer comprising the pigment and a binder, and a surface layer comprising at least one kind of an inorganic fine particle. The inkjet recording material is characterized by that a free end reflective face in an arbitrary visible light region is formed on an interface between the surface layer and the lower layer, a mass compositional ratio of the inorganic fine particle in the surface layer is ≥70%, a volume mean refractive index n calculated from a raw material constituting the surface layer and a void is ≥1.41, and the inorganic fine particle with a refractive index of ≥1.6 is incorporated.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005234226-A (JP)
Title: Optical switch
Inventor: AOKI CHIKAO
IPC: G02B26/08
Filed: 2004-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical switch which can simultaneously switch a plurality of ports and is easily multichanneled.  <P>SOLUTION: The optical switch 100 has a connection port set 110 at which an optical signal is inputted and outputted and six channel port sets composing a channel. The channel port set comprises optical collimators 121 and 122 arranged for every optical connection position. The connection port set 110 comprises two optical collimators 111 and 112, mounted on a movable body 140 on a stage 146, and moves along a rail 142 between the optical connection positions so as to optically connect with one of the channel port sets. The object with which two optical collimators 111 and 112 are optically connected are simultaneously switched by moving the connection port set 110.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005236685-A (JP)
Title: Microwave power amplifier module
Inventor: TANGO HIDEKI
IPC: H03F3/60
Filed: 2004-02-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a microwave power amplifier module in the manufacturing of which the number of die-bonding steps can be reduced.  <P>SOLUTION: The microwave power amplifier module 1 comprises a first semiconductor chip 60 which includes a field effect transistor 6 for a first amplifier stage and a field effect transistor 8 for a second amplifier stage. Thus, die-bonding of the first semiconductor chip 60 can mount the two field effect transistors 6, 8 at once. Then the number of die-bonding steps having been so far required for each of the field effect transistors can be decreased. Further, a wiring board 40 has a first ground pattern 90 between a first conductor pattern 80 connected to a gate electrode 6g of the field effect transistor 6 and a second conductor pattern 82 connected to a drain electrode 8d of the field effect transistor 8. Thus, the oscillation or the resonance otherwise caused in the first and second amplifier stages can be suppressed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005234263-A (JP)
Title: Developer and process cartridge
Inventor: HASEGAWA YUSUKE
IPC: G03G9/08
Filed: 2004-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a developer which is uniformly supplied to a developing sleeve even when the amount of the developer in a cartridge decreases in a later period of long-term use, which prevents coating irregularity and which suppresses fading.  <P>SOLUTION: The developer is used in an image forming apparatus which is equipped with a process cartridge attachable to and detachable from the image forming main body, and detects the developer amount in a developing device of the process cartridge and switches the amplitude of the AC component in a development bias to be applied on a developing sleeve depending on the detected developer amount. The time dependence of the dynamic loading weight d (g/cm<SP>3</SP>) and the true density D (g/cm<SP>3</SP>) of the developer satisfy the conditional expression (1): 0.068×Ln(t)+D/7.4≤d≤0.0735×Ln(t)+D/6.1, wherein t represents time (sec) and 10≤t≤300.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005234343-A (JP)
Title: Image forming apparatus
Inventor: MUNAKATA MANABU
IPC: G03G21/16
Filed: 2004-02-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus in which transfer efficiency is improved by making a peripheral speed difference between each image carrier and an intermediate transfer belt and, at the same time, color misalignment caused by the speed difference can be prevented.  <P>SOLUTION: Image carrier pulleys 20a<SB>Y</SB>, 20a<SB>M</SB>, 20a<SB>C</SB>, and 20a<SB>K</SB>for their respective image carriers 20 are driven by an image carrier drive belt 53 driven by a drive pulley 50 for the image carrier drive belt. At this time, the speed difference has been set such that the peripheral speed V<SB>TB</SB>of the intermediate transfer belt 16 is lower than the peripheral speed V<SB>PC</SB>of each of the image carriers 20. In addition, a first tension pulley 54 is provided for applying first tension to a belt segment 53d on the tight belt side from drive pulley 50. Further, on the loose belt side, a second tension pulley 63 is provided for applying second tension to a belt segment 53e between the drive pulley 50 and the image carrier pulley that is the nearest to the drive pulley 50. Even in the event that the belt segment 53d on the loose belt side slacks due to the speed difference, this slack is absorbed by the second tension pulley 63.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004270033-A (JP)
Title: Supermagnetostriction material lamina, production method therefor, and supermagnetostriction sintered compact
Inventor: ITO TADANAO
IPC: H01L41/22
Filed: 2004-02-23
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a supermagnetostriction alloy in which the crystallization of heterophases and phase separation do not occur, and which has satisfactory sinterability by a simplified pulverization stage.  <P>SOLUTION: In the cast laminate for the magnetostriction material of a rare earth element-iron based alloy, the thickness is 0.1 to 2 mm, the structure in the cross-section consists mainly of an RT2 phase (R represents a rare earth element and T represents Fe or one or more kinds selected from transition elements including Fe) as the main phase, and a phase rich in R compared with the RT2. The production method for the cast lamina is performed based on a strip cast method by single rolls or twin rolls.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005232893-A (JP)
Title: Electric lock
Inventor: SATO TAKAYA
IPC: E05B47/00
Filed: 2004-02-23
Abstract: <P>PROBLEM TO BE SOLVED: To simplify a structure of a gear transmission mechanism and reduce a failure rate of the gear transmission mechanism.  <P>SOLUTION: An electric lock includes a lock case housing the gear transmission mechanism rotated in locking and unlocking directions, respectively, by a driving force of a drive source, a dead cam activated by a transmission force of the gear transmission mechanism and rotated also by a human operating force, and a dead bolt moved back and forth by the intermediary of the operation arm of the dead cam, which are properly arranged in the lock case. An intermittent gear disposed in the lock case has a non-engaging part on a peripheral directional part on a side of the side face by which only the dead cam is allowed to rotate freely and independently when the dead cam 5 is operated by a human. The intermittent gear also has an engaging part extending in the peripheral direction, which engaging part constitutes a part of a gear example of the gear transmission mechanism when the drive source is activated.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005232563-A (JP)
Title: Etching method of wafer and production method of thin film magnetic head
Inventor: ISOBE MITSUHARU
IPC: C23F1/00
Filed: 2004-02-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an etching method of a wafer by which change of stress in etching can be reduced, and a production method of a thin film magnetic head.  <P>SOLUTION: In the etching method of the wafer, unnecessary parts are removed through etching and only necessary parts of a prescribed film formed on the wafer are left, by dividing the wafer into a plurality of zones including at least first and second zones, forming a first photoresist layer that covers the necessary parts of the prescribed film in the first zone and zones other than the first zone, removing the unnecessary parts of the prescribed film in the first zone through etching, removing the first photoresist layer, forming a second photoresist layer that covers at least the necessary parts of the prescribed film in a plurality of zones, removing the unnecessary parts of the prescribed film in the second zone through etching and removing the second photoresist layer. In the production method of the thin film magnetic head, unnecessary parts are removed through etching so that only the necessary parts of the prescribed film formed on the wafer is left through the etching method.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004259428-A (JP)
Title: Optical signal converter controlling amplification gain according to rotating speed of optical disk and its amplification gain control method
Inventor: BAEK CHANG-HOON
IPC: H03G3/18
Filed: 2004-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To disclose an optical disk drive controlling an amplification gain according to the high rotating speed of an optical disk and its amplification gain control method.  <P>SOLUTION: An optical signal converter comprises: an optical signal detection section detecting an optical signal reflected from the optical disk in a reproduction mode to convert the optical signal into an electrical signal; a gain control signal generation section generating a gain control signal when the voltage level of a driving signal used for driving the optical disk exceeds the maximum output voltage of the optical signal converter; a gain mode switching section selecting the amplification gain of the optical signal converter in response to the grain control signal and an external control signal; and a signal amplifier section amplifying a signal outputted from the optical signal detection section in response to the output signal of the gain mode switching section. The optical signal converter has effect that no output signal is saturated even if a signal having high optical power is inputted.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004301324-A (JP)
Title: Micro alloying connecting rod and its manufacturing method
Inventor: HASEGAWA TATSUYA
IPC: F16C7/02
Filed: 2004-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a micro alloying connecting rod made of a no Pb-loaded steel excellent in machinability, breaking division ability, and fatigue characteristic.  <P>SOLUTION: The micro alloying connecting rod includes 0.25 to 0.35% C, 0.50 to 0.70% Si, 0.60 to 0.90% Mn, 0.040 to 0.070% P, 0.040 to 0.130 S, 0.10 to 0.20% Cr, 0.15 to 0.20% V, 0.15 to 0.20% Ti, and 0.002 to 0.020% N. A rest is composed of Fe and impurity. An element symbol is indicated as a content in a steel in mass % of the element. In a chemical composition that a value of C+(Si/10)+(Mn/5)+(5Cr/22)+1.65V-(5S/7) is 0.80 or less, the composition of a large end is ferrite perlite, total hardness is 255 to 320 in Vickers hardness, ferrite hardness in the ferrite perlite composition of the large end part is 250 in Vickers hardness and a ratio between the hardness of ferrite and the hardness of the large end is 0.80 or more.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005247697-A (JP)
Title: Method for producing aminoallylaminobenzazole and its derivative
Inventor: MATSUOKA TAKESHI
IPC: C07B61/00
Filed: 2004-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a method for producing aminoallylaminobenzazole, with which a problem of waste water and a problem caused by remaining ion in a polymerized polymer are solved.  <P>SOLUTION: The method for producing aminoallylaminobenzazole represented by chemical formula 1 (X is any of NH, S and O) comprises a process for reacting a specific nitroaromatic carboxylic acid with a specific nitroaromatic amine derivative to form a specific amide compound, a process for subjecting the amide compound to ring closure by heating to form a specific nitroallylnitrobenzazole compound and a process for reducing the specific nitroallylnitrobenzazole compound.  <P>COPYRIGHT: (C)2005,JPO&NCIPI