baber/WOPTO huggingface dataset:
Patent JP-H03174507-A (JP)
Title: Scanning optical device
Inventor: SAITO HIROSHI
IPC: G02B9/00
Filed: 1989-12-04
Abstract: PURPOSE:To improve the optical performance of a scanning optical device and to realize cost reduction by using a GI(refractive index distribution type) lens as the scanning lens of the scanning optical device. CONSTITUTION:The scanning lens is provided with a prescribed index gradient by the thickness direction of the lens in sequence from a deflector side, and it is comprised of an anamorphic single lens 6 whose light incident plane or light emitting plane is formed with a curved surface, and a single lens 7 in which the radii of curvature of a plane at the deflector side are equal in two orthogonal directions. Then, the center of curvature at the prescribed plane side of the anamorphic single lens 6 is located at the deflector side including the optical axis of the anamorphic single lens 6 and within a deflecting plane. In such a way, it is possible to comprise a correction system even without using the lens having a toric plane, and to attain the improvement of the optical performance and the cost reduction.
Patent JP-H01156037-A (JP)
Title: Manufacture of polytetrafluoroethylene vessel
Inventor: YAMAMOTO KATSUTOSHI
IPC: B29K27/18
Filed: 1987-12-14
Abstract: PURPOSE:To form an object very similar to a mold in shape by fusing thermally one end of a PTFE pipe, setting this pipe in an air mold, then heating it up to the softening temperature of PTFE and introducing compressed air from the other end of the pipe into said pipe. CONSTITUTION:One end of a polytetrafluoroethylene (PTFE) pipe 1 is heat- pressed at about 380 deg.C to make a PTFE pipe 1 of which one end is thermally fused. This PTFE pipe 1 is mounted on vessel molds 2, 3, and 4, compressed air is sent from one end of the pipe and the inner pressure of said pipe is increased to about 2.5kgf/cm<2> during the time of about 0.5 minute to expand said pipe. Next, this pipe is cooled with water to the ambient temperature while the pressed state is kept, then the pressure is decreased, the molds 2, 3, and 4 and a joint top 5 are released to get a vessel-shaped molding 6. Excess resin is cut out from the bottom and top portions of this vessel-shaped molding 6 to obtain a PTFE-made vessel 7.
Patent JP-2000147660-A (JP)
Title: Optical device
Inventor: TAKADA TADASHI
IPC: G03B21/16
Filed: 1998-11-06
Abstract: PROBLEM TO BE SOLVED: To solve or reduce various kinds of deficiencies due to heat generation by infrared ray by forming the surface of a heat-absorbing plate into a nearly stair-like shape with respect to an optical device arranged on the rear side of a cold mirror and provided with the heat-absorbing plate absorbing the heat by the infrared ray. SOLUTION: A lamp 1, which is a light source, is arranged at the inside of a housing 100. A light L0 emitted from the lamp 1 is made incident on a cold mirror 2 through lenses 21 and 22. The cold mirror 2 is arranged at the angle of nearly 45 deg. with respect to the advancing direction of the light L0 emitted from the lamp 1. The light L0 made incident is separated into visible light L1 and the infrared ray L2 by the cold mirror 2. The visible light L1 is reflected by the cold mirror 2, and its advancing direction is bent by nearly 90&o, and it is made incident on an optical system succeeding to a dichroic mirror. The heat absorbing plate 230 whose surface is formed into the nearly stair-like shape having plural bends is arranged on the rear side of the cold mirror 2.
Patent JP-H04188271-A (JP)
Title: Document processor
Inventor: YAMAUCHI HIDEKAZU
IPC: G06F17/21
Filed: 1990-11-22
Abstract: PURPOSE:To speed up a document processing by eliminating a page cache whose use frequency is the least for every page which is additionally prepared so as to generate the page cache for a new page at the time of preparing a document of more than the prescribed pages. CONSTITUTION:When picture information from the page cache is read, it is checked whether or not the number of the page caches, which is prepared at present, is less than N which is prepared by a processor. When the number of the page caches previously reaches a restricted number, the page cache whose use frequency is the least among the page caches which are used at present is selected. Then, the content of the page cache is eliminated and the area of the page cache is allocated to the page which is required at present. Thus, the processing for display can be speeded up.
Patent JP-H02158796-A (JP)
Title: Display device
Inventor: NIIYA HIROSHI
IPC: G09G3/20
Filed: 1988-12-13
Abstract: PURPOSE:To facilitate display control by detecting the control signal superposed on any signal of display signals and leading out the image signal to be visualized by a display means from the display signal exclusive of the superposed display signal of the control signal and a synchronizing signal. CONSTITUTION:A display control signal generating means 11 leads out the display signal controlling the plural colors displayed by a display means 12 and generates the synchronizing signal for the display signal to be synchronized in the display means 12. The control signal is superposed on any signal of the plural display signals and a control signal detecting means 14 detects the superposed control signal and outputs the same to an image signal forming means 13. The image signal forming means leads out the image signal from the display signal exclusive of the display signal superposed with the control signal and the synchronizing signal and visualizes the signal in a display means 12. The number of signal lines is, therefore, decreased and the need for providing a fresh input/output circuit is eliminated. The easy control of the display means is thus possible.
Patent JP-H11133985-A (JP)
Title: Muffling device
Inventor: KONDO HIROYUKI
IPC: F01N1/00
Filed: 1997-10-31
Abstract: PROBLEM TO BE SOLVED: To provide a muffling device which can generate a sound wave for muffling along a wide frequency band range. SOLUTION: The opening surface 37A of an acoustic pipe 37 is formed obliquely to the axial center of the acoustic pipe 37. As a result, the resonant effect of a resonance system which is determined by the stiffness of the air in an air chamber 10 and the air mass inside the acoustic pipe 37, is made gentle, so as to suppress the peak, and a high output sound pressure level can be generated along a wide frequency band range, so as to improve the muffling effect.
Patent JP-H10160757-A (JP)
Title: Probe pin and probing method
Inventor: TAKANO MINORU
IPC: G01R1/06
Filed: 1996-11-27
Abstract: PROBLEM TO BE SOLVED: To provide a probe card having long service life in which the positional accuracy at the tip of probe pin can be sustained even after repetition of several hundreds thousand times - several millions times of probing and defective conduction is prevented. SOLUTION: The probe pin comprises a conductive film 5 provided on the surface of an acicular single crystal 3 wherein a relationship t.L<3> /D<4> <=5.3×10<4> is satisfied among the length L(μm) and the diameter D(μm) of the acicular single crystal 3 and the thickness t(μm) of the conductive film 5 provided on the surface of the acicular single crystal. Preferably, the acicular single crystal is Si and the conductive film 5 is composed of Au. In the inventive probing method, the probe pin touches an object with an overdrive amount of 50μm or less.
Patent JP-H04188151-A (JP)
Title: Magnetic toner
Inventor: BABA YOSHINOBU
IPC: G03G9/083
Filed: 1990-11-22
Abstract: PURPOSE:To enable development faithful to documents and signals by applying hydrophilic treatment to the surface of magnetic material and treatment of increasing bulk density, and specifying the relation between inclusion of the magnetic material and weight average particle diameter of toner. CONSTITUTION:A magnetic material composed of metal oxide of which magnetization (sigmas) in magnetic field 1Koe is 10-40emu/g and horizontal diameter is 0.05mum-0.5mum is included. The surface of magnetic body is subjected to hydrophilic treatment, and further to treatment of increasing bulk density, and provided that inclusion of magnetic material in toner is Wt while weight average particle diameter (mum) of toner is Dt, the toner is constituted to satisfy the formula I. Namely, a magnetic material of which magnetic force is small properly is included by a required amount. It is thus possible to improve performance of toner so that faithful development to documents and signals can be made.
Patent JP-H03177415-A (JP)
Title: Epoxy resin composition for semiconductor sealing use
Inventor: KINASHI KEIICHI
IPC: C08G59/14
Filed: 1989-12-05
Abstract: PURPOSE:To provide the title composition capable of developing low stress in sealing semiconductors therewith, excellent in mold non-contaminability, favorable in marking nature, to be used for sealing semiconductor elements by transfer molding, etc., comprising an epoxy resin, curing agent, filler and specific polymer. CONSTITUTION:The objective composition comprising (A) an epoxy resin, (B) a curing agent (e.g. novolak-type phenolic resin), (C) a filler (pref. silica), and (D) a polymer formed by reaction between (a) an epoxy resin and (b) a carboxyl group-contg. organopolysiloxane consisting of (1) dimethylpolysiloxane, <=20 in polymerization degree and (2) an organopolysiloxane of the formula (X is carboxyl; R is alkyl except methyl, phenyl or aralkyl; (a), (b) and (c) are each >=1).
Patent JP-H03177741-A (JP)
Title: Centralized control device for air conditioner
Inventor: MOCHIZUKI SHIGENOBU
IPC: F24F11/02
Filed: 1989-12-05
Abstract: PURPOSE:To provide the centralized control device of an air conditioner the utilizing range of which is wide by a method wherein a signal mode between the terminal controller of the centralized control device and a body control device is unified into the signal mode of a remote control device, and connection to the body control device is effected through the receiving circuit of the remote control device. CONSTITUTION:When a control signal containing an operation set content and a machine umber is transmitted from a central controller 1, a receiving circuit 9 in a terminal controller 2 receives the control signal, and the received signal is fed to a terminal CPU 10. When it is decided that the control signal coincides with the predetermined machine number of an air conditioner 3, the terminal CPU 10 decodes the content of the control signal. When decoding is completed, according to the content thereof, the signal is converted into a signal for control of an air conditioner for transmission. In which case, a signal mode transmitted from the CPU 10 through a transmission circuit 11 to a remote control device receiving circuit 7 in the air conditioner 3 is the same mode as that of a signal transmitted from the receiver of an individual remote control device through an input terminal 6 to the remote control device receiving circuit 7. A signal received by the remote control device receiving circuit 7 is transmitted to a body control device 4. The body control device 4 controls running of the air conditioner 3 according to the content of the signal.
Patent JP-H07170227-A (JP)
Title: Radio data communication system
Inventor: ISHII GENICHI
IPC: H04B7/06
Filed: 1993-12-16
Abstract: PURPOSE:To provide a radio data communication system which can secure the best state of communication with a mobile terminal and can validly prolong communicatable time. CONSTITUTION:A base station equipment 10 is provided with a phased array antenna 20 and a controller for the same, mobile terminals 40 are provided with fully directional antennas 50, the move of each mobile terminal 40 is detected at the base station equipment 10, and the beam direction of the antenna 20 is controlled while following the position movement. Thus, the power of the mobile station caused by antenna gain can be saved, multipath interference caused by the direction selectivity of the antenna can be reduced, and communication disable time related to antenna switch processing can be shortened.
Patent JP-2000145675-A (JP)
Title: Two stage screw compressor
Inventor: KAWAKAMI MITSUNORI
IPC: F04C18/16
Filed: 1998-11-06
Abstract: PROBLEM TO BE SOLVED: To reduce costs by providing a simple structure with lesser processing stages and components for reducing the number of bearings. SOLUTION: This two stage screw compressor 1 has a two stage constitution of a lower stage side screw compressor 2 and a higher stage side screw compressor 3, and an uniaxial constitution of a screw shaft 4. The lower stage side screw compressor 2 is a structure with the screw shaft 4 journalled to a main bearing 5 and a subsidiary bearing 6. A lower stage side screw rotor 7 is fixed to the screw shaft 4. The screw shaft 4 protrudes from an end of a lower stage side casing 9 and reaches inside a higher stage side casing 15. The screw shaft 4 is in a free state inside the higher stage side casing 15 because no bearings are provided in the higher stage side casing 15.
Patent JP-H10161221-A (JP)
Title: Camera system
Inventor: NAKAJIMA MASAO
IPC: G03B17/14
Filed: 1996-11-28
Abstract: PROBLEM TO BE SOLVED: To improve the performance of a camera system by executing fast communication by switching communication speed. SOLUTION: A camera body 1 is constituted of a microcomputer (MCU) 10, an exposure control part 11, a focus detection part 12, a motor 14 and a coupler 15 so that data can be given and received between an interchangeable lens barrel 2 being as an accessory through electrical contacts 1a-1e. By the accessory 2, the data is transferred at the first serial communication speed with respect to a first command received from the body 1 and the data is transferred at the second serial communication speed when and after a second command is received. By the body 1, the second command is transmitted to the accessory 2 and the data of the accessory 2 is received at the second serial communication speed when the accessory 2 copes with the second command.  When the accessory 2 does not cope with the second command, the first command is transmitted and the data of the accessory 2 is received at the first serial communication speed.
Patent JP-H02164210-A (JP)
Title: Gas insulated switchgear
Inventor: ITAI KOSAKU
IPC: H02B13/035
Filed: 1988-12-14
Abstract: PURPOSE:To reduce installation space by making connecting windows through two containers and a test tank fixing window through one container then arranging the measuring conductor of the other container on a spacer at a joint section thereby carrying out test of cables and disconnecting switches through a single window. CONSTITUTION:Containers 50, 51 are arranged closely each other then windows 44, 53 and 45, 54 are made respectively through the containers 50, 51 and the containers 50, 51 are enclosed with spacers 24, 47B. The container 51 is further provided with a window 43 at the opposite side from the window 45, where the window 43 is normally closed with a cover 43A and a tank is fixed thereto when test is carried out. A branch conductor 25 is projected into the container 51 and a branch conductor 26 is connected with cables 12A, 12B in the container 50, where the cables 12A, 12B are connected through connecting conductors 27A, 27B with the contacts 30A, 30B of a disconnecting switch. By such arrangement, the cables 12A, 12B, 11A, 11B and disconnecting switches 30A, 30B, 31A, 31B can be tested through the single window 43, resulting in reduction of installation space.
Patent JP-H08170081-A (JP)
Title: Processing unit for converting waste plastic material into oil and conversion into oil
Inventor: KUMOCHI KIYOTAKA
IPC: B09B3/00
Filed: 1994-12-20
Abstract: PURPOSE: To provide the subject unit and method, easy in discharging residues and improved in safety, designed to improve the heating efficiency for waste plastic materials charged into the unit and also improve the productivity of converted oil by shortening the decomposition cycle time for the waste plastics. CONSTITUTION: This processing unit is equipped with a hot oven 2 having a heating burner 21, a pyrolyzing tank 1 installed inside the oven having an openable charge port 23 on the upper part and to be heated by the burner 21, an inner kettle 30 to hold waste plastic materials and to be detachably threaded via the charge port into the pyrolyzing tank, and fins 28 projected on the inner wall surface of the pyrolyzing tank to effect protection of the inner kettle and serving as a thermal conduction path from the pyrolyzing tank to the inner kettle.
Patent JP-2000151832-A (JP)
Title: Communication equipment and control method therefor
Inventor: TSUCHIDA SHINJI
IPC: H04W28/00
Filed: 1998-11-09
Abstract: PROBLEM TO BE SOLVED: To prevent an incoming call tone from being recorded when the incoming call arrives during video recording. SOLUTION: When an incoming call arrives, whether or not video recording is made is checked (S71). When video recording is made (S71), no incoming call tone is outputted, the incoming call is displayed on a state display area of a display device to urge the user to operate stop of video recording (S72). When the video recording is not made (S71), the incoming call tone is outputted to inform the user of the arrival of the incoming call (S73). In the case that the user replies the incoming call, the user depresses an outgoing/incoming call key. When the outgoing/incoming call key is depressed (S74), a CPU activates a microphone and a speaker to reach a speech state (S75). When the user depresses a stop key (S76), a communication channel is interrupted and the communication is terminated (S77).
Patent JP-H11152558-A (JP)
Title: Wear resistant sliding member
Inventor: SUZUKI HARUNOBU
IPC: F02F5/00
Filed: 1997-11-18
Abstract: PROBLEM TO BE SOLVED: To provide a sliding member excellent in wear resistance and seizure resistance and further excellent in adhesion by reducing the residual stress. SOLUTION: This wear resistant sliding member is the one in which powder C contg. 88 to 99 pts.wt. powder A and 12 to 1 pts.wt. powder B is thermally sprayed on a base material to from a thermally sprayed coating, and the powder A is composed of Ni-Al composite powder consisting of 4 to 22 wt.% Al and 96 to 78 wt.% Ni and Fe powder or Fe alloy powder, and the powder B is composed of at least one kind of powder selected from the groups of Al powder, Cu powder, Al allay powder and Cu alloy powder.
Patent JP-H11148288-A (JP)
Title: Excavating device
Inventor: KAGOTA NORIO
IPC: E21B4/16
Filed: 1997-11-18
Abstract: PROBLEM TO BE SOLVED: To provide an excavating device which can finely excavate even a rockbed under the ground together with earth and sand. SOLUTION: An excavating device is equipped with a block body 52 having a plurality of through holes 54 and excavating tips 60 attached to one face; and a plurality of inner bits 50 which are inserted through each of through holes 54 so as to be rotatable centering around its axis and formed into an excavated part 58 larger in a diameter than the through hole 54 and has a deposited part 56 formed on the other side to abut against the other face of the block body 52. In addition, the device is equipped with a hammer 18 to beat the other end of each of inner bits 50; a plurality of air-hammers 14 severally having the attached inner bit 50; and a driving device which is attached to each air hammer 14 through a rod 20 and rotates each of air-hammer devices 14 centering around its axis.
Patent JP-H11148451-A (JP)
Title: Ignition device for internal combustion engine
Inventor: UJIGAWA MASARU
IPC: F02P15/00
Filed: 1997-11-18
Abstract: PROBLEM TO BE SOLVED: To easily perform the work by mounting a connector in a position overlapped with an igniter when observed from an point of the connector in the longitudinal direction of a coil part when the connector is mounted in parallel with the longitudinal direction of the coil part in a state that it is faced upward. SOLUTION: A connector pin 25 is located at a position overlapped with an igniter 20 when observed from an upper part from the side opposite to an igniter terminal 22 through a lower part of a base 26. On the other hand, the connector 25 is not overlapped with the igniter terminal 22, and a size of a head part of an ignition device in the direction perpendicular to the longitudinal direction of the coils 2, 4, that is, in the lateral direction, is reduced in a state that a space for the terminal connecting work is kept at an upper part of the igniter terminal 22, whereby the work can be easily performed without disturbance by an ignition device adjacent to the ignition device.
Patent JP-H11218034-A (JP)
Title: Method for monitoring feed system of gas turbine having multiburner system and device for executing the method
Inventor: KUEENZI THOMAS
IPC: F23R3/28
Filed: 1998-11-09
Abstract: PROBLEM TO BE SOLVED: To provide a method to monitor the feed system of a gas turbine by a simple format and take rapid countermeasure adapted to a purpose during the occurrence of abnormality and the provide a device to execute the method. SOLUTION: In this method, the feed system 10 of a gas turbine contains at least one of distribution systems 15 and 24, and the feed system of the gas turbine arranging a multiburner system and having a form wherein a pressure medium needed for operation of a multiburner system is distributed through distribution system 15 and 24 to a plurality of individual burners 12, 13, and 14, opened to a single combustion chamber, is monitored. In this case, a pressure loss in at least one of the distribution systems 15 and 24 is continuously measured during gas turbine operation. The measured pressure loss is compared with a target value characteristics to each of the operation states of the gas turbine and when the measured pressure loss is deviated from a corresponding target value by a specified value, announcement is effected.
Patent JP-H09162391-A (JP)
Title: Insulated gate bipolar transistor
Inventor: OHIGATA SHIGEYUKI
IPC: H01L29/78
Filed: 1995-12-06
Abstract: PROBLEM TO BE SOLVED: To hold constant the ratio of a main current flowing main cells to the detected value of the current flowing in sense cells and enable the monitor of the main current even at a low current level by suppressing the voltage dependence of a limited current value at shorting the load. SOLUTION: A sense cell region is composed of a first and second sense cell regions 5 and 6, the distance L between the end of the region 5 and that of a main cell region 4 is 100 microns or more, the second region 6 and main cell region 4 are disposed adjacently each other and the area of the region 6 to the total area of the sense cell region is 5-30%.
Patent JP-H05148100-A (JP)
Title: Apparatus for heat treatment of semiconductor and method therefor
Inventor: WAKAMIYA KENJI
IPC: H01L21/324
Filed: 1991-12-02
Abstract: PURPOSE:To increase the cooling rate after heat treatment and to unify the semiconductor properties by making a leak hole passing through the grinding surfaces between a cylindrical tank accommodating a semiconductor together with a treatment raw material gas and its lid so as to be openable and closable. CONSTITUTION:A lid 5 is placed over a cylindrical tank 1 for accommodating a semiconductor wafer 13 and a treatment raw material gas 14 to tightly seal both the units through the grinding surfaces 3 and 6 of both the units. The lid 5 and the cylindrical tank 1 are elevatably supported by an upper shaft 8. A leak hole 7 is made so as to pass through the grinding surfaces 3 and 6 and the leak hole 7 is designed so as to be openable and closable by rotating the upper shaft 8. The cylindrical tank 1 is accommodated in a chamber 9 and the chamber 9 is filled with an inert gas 10 having a pressure higher than the vapor pressure in the cylindrical tank 1 in a state where the leak hole 7 is closed. The semiconductor wafer 13 is heat-treated by heaters 15 and 16 and the leak hole 7 is then opened so as to cool the semiconductor wafer 13 while leaking the inert gas 10 in the chamber 9 into the cylindrical tank 1.