baber/WOPTO huggingface dataset:
Patent JP-S52149509-A (JP)
Title: Combustion chamber
Inventor: OOTA TADAO
IPC: F02B23/06
Filed: 1976-06-09
Abstract: PURPOSE: To elevate output performance by optimizing shape of piston dome. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S54158948-A (JP)
Title: Liquid crystal display device
Inventor: TOGASHI SEIGO
IPC: G02F1/13
Filed: 1978-06-06
Abstract: PURPOSE: To improve the time response characteristics of phase transition effect and White and Taylor type guest-host effect, transmittance voltage characteristics, stability in production, lifetime, etc. by forming a vertical orientation treatment layer with inorganic material.  
     CONSTITUTION: On a substrate 1 provided with electrodes 3 is vacuum evaporated an inorganic material layer 5' playing also as a role of an insulation and protection film for the electrodes 3 and a protection film for the substrate 3 against alkali ions and impurities, at, e.g., vapor deposition angle 0°.  The orientation direction 18 of 7-B near the substrate 1 of the liquid crystal layer 7 having chirality is determined in the direction where the angle Ψ from the substrate normal 17 is within 45°. The orientation determining ability of the liquid crystal by the layer 5' is determined by the shape effect owing to the undulation structure of the layer 5' surface and the physical chemical interaction, etc. of the polarization action, etc. between the inorganic material and the liquid crystal and these depend upon the kinds of the inorganic materials and layer forming conditions. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H02248137-A (JP)
Title: Radio communication equipment
Inventor: KONDO NORIAKI
IPC: H04L27/227
Filed: 1989-03-22
Abstract: PURPOSE:To attain the reception whose reception band is 10<-5> or less, as well by recovering the clock frequency of a digital signal from a carrier signal from a reverence station received with a slave station and recovering the carrier for the transmission based on the frequency in a radio communication system composing of a reference station and the slave station. CONSTITUTION:A radio communication equipment 10 is constituted of a reception system 20 and a transmission system 50, a local oscillator 52 of the transmission system 50 generates a carrier Ss to be sent to a master station and the carrier is inputted to a modulator 54 and a frequency divider 56. The modulator 54 uses an input signal Sm received at an input 16 to modulate the carrier Ss and it is outputted at an output 18 as the transmission signal. The transmission system 50 and the reception system 20 are provided with similar frequency stabilizing circuits, they are respectively made up of frequency dividers (56, 40), (58, 36), comparators (60, 38), and memories (62, 42) and similar operation is implemented by the transmission system 50 and the reception system 20. That is, a local oscillation signal Ss is calibrated by a clock signal Sc from the reception system 20 as a reference to make the frequency of the transmission signal stable.
Patent JP-H05271861-A (JP)
Title: Structural steel for welding excellent in brittle fracture propagation arresting characteristic
IPC: C22C38/00
Filed: 1992-03-25
Abstract: PURPOSE:To remarkably improve brittle fracture propagation arresting property while obviating the necessity of expensive alloy elements by subjecting a steel plate to heat treatment under specific temp. conditions. CONSTITUTION:A steel plate having a composition consisting of, by weight, 0.02-0.20% C, 0.01-1.0% Si, <2.0% Mn, 0.001-0.20% Al, <0.020% N, <=0.01% P, <=0.01% S, and the balance Fe is cooled rapidly from a temp. not lower than the Ac3 at >=5 deg.C/ sec cooling rate through the region of >=0.02Xtomm from the surface in the plate thickness direction of the steel plate when to represents the plate thickness at the time of water cooling in the course of rolling, by which the fraction of ferrite structure is regulated to >=50%. Successively, hot rolling is started at the point of time when the surface layer reaches a temp. not lower than the Ar3 point and then cooled at least down to the Ar3 temp. at >=2 deg.C/sec cooling rate without recuperation to a temp. between (Ac3-50) deg.C and the Ac3 point. By this method, the structure composed essentially of ferrite of >=3mum average circle equivalent grain diameter or bainite and constituted of spheroidal carbide phase of <=0.6mum average circle equivalent grain diameter can be formed in the range of at least 2% or more of the plate thickness from the surface layer.
Patent JP-H03267776-A (JP)
Title: Test circuit
Inventor: MORIMI YOICHI
IPC: H01L21/66
Filed: 1990-03-16
Abstract: PURPOSE:To contrive reduction of a circuit scale by functioning an A/D conversion register as a test mode register at the testing time for the inside circuit and obviating the test mode register which is not functioned except at the testing time. CONSTITUTION:The A/D conversion register 10 operating in the normal operating state is used as the test mode register in the test state. That is, when the A/D conversion is finished and an interrupting signal is generated by a control circuit 8 in the case the test signal is 1, the signal 1 is outputted from a two- input AND circuit 12 to set a flip-flop 14 making the output to be 1 and the inside circuit is set to the test state. Then, the inside circuit is set to the test mode in accordance with the value of register 10.
Patent JP-S61226832-A (JP)
Title: Pause mode device for printer
Inventor: MIYAKE TOMOHISA
IPC: G06K15/00
Filed: 1985-03-30
Abstract: PURPOSE:To release the increase, etc., of the load to the host CPU by providing a pause code with a printer as a pause code. CONSTITUTION:At the control code of the host data, a pause mode with the printer as a pause mode is provided, the pause code PC is judged, the printer is made into a pause mode and the replacing work of the printing element such as daisy wheels is executed. During such a period, the data of a host CPU are transferred and stored to the buffer of the printer, and after replacement, by resetting the printing waiting switch, the pause mode is released.
Patent JP-H04281279-A (JP)
Title: Tape cassette
Inventor: TAMURA MASABUMI
IPC: G11B15/675
Filed: 1991-03-08
Abstract: PURPOSE:To improve the positioning precision of a tape cassette against the loading mechanism of a recording/reproducing device. CONSTITUTION:As a reference hole positioning at the time of loading by inserting the reference pin of the recording/reproducing device, the tape cassette is provided with a first reference hole 15 positioning in the direction of the right and left of the cassette on a nearly center line CL in the direction of the right and left of a tape cassette casing and a second, a third reference holes 16, 17 positioning in the back and forth directions and the rotation of the tape cassette in the both directions of the right and left as viewed from the nearly center line CL in the direction of the right and left.
Patent JP-S60213108-A (JP)
Title: Amplifier
Inventor: NAGAI KENJI
IPC: H03F3/45
Filed: 1984-04-06
Abstract: PURPOSE:To cancel offset voltage by connecting MOSFETs to which fixed gate voltage and variable gate voltage are supplied respectively in parallel with MOSFETs to be used as load circuits for diffential MOSFETs respectively. CONSTITUTION:The input voltage V<in> and output voltage VOUT of an amplifier 1 are compared by a comparator 2 and the compared result is read in the succeeding up/down counter 3. A switch selecting circuit 4 is actuated on the basis of the output of the counter 3 to select supply voltage B to the amplifier 1. The amplifier 1 consists of differential MOSFETs M3, M4, MOSFETs M1, M2 to be used as their load circuits and MOSFETs M11, M12 connected in parallel with the FETs M1, M2 and inputting fixed gate voltage A and variable gate voltage B and is allowed to cancel offset between the input and output voltages.
Patent JP-S63234024-A (JP)
Title: Photochemical production of electrically conductive polymer of pyrroles
Inventor: TAKAKUBO MASAAKI
IPC: C08G61/12
Filed: 1987-03-24
Abstract: PURPOSE:To obtain the titled polymer having excellent moldability, etc., in high reproducibility, by irradiating a solution containing pyrroles, a specific light-absorbing component and a specific electrolyte with light having a specific wavelength and performing oxidative polymerization of pyrroles with excited seed originated from the light-absorbing component. CONSTITUTION:The objective polymer can be produced by preparing a solution (e.g. aqueous solution or ethyl ether solution) containing (A) pyrroles (preferably unsubstituted pyrrole), (B) a light-absorbing component (e.g. methylene blue or thionine) exhibiting an electrode potential higher than the threshold potential of oxidation current of the component A in excited state and (C) an electrolyte composed of an ion having larger oxidation number in a redox pair having a standard electrode potential lower than the threshold potential of oxidation current of the component A or an ion having smaller oxidation number in a redox pair having a standard electrode potential higher than the threshold potential of oxidation current of the component I, irradiating the solution with a light having wavelength falling within the absorption spectrum of the component B and subjecting the component A to oxidative polymerization by the produced excited seed.
Patent JP-S58184150-A (JP)
Title: Photomask for manufacture of semiconductor device
Inventor: YAMANAKA YOUJI
IPC: G03F1/54
Filed: 1982-04-22
Abstract: PURPOSE:To eliminate slipping of transferred images between the devices of exposing machines, to enhance registration accuracy and yield, by employing plural chip patterns arranged on a glass substrate without perfect regularity. CONSTITUTION:A photomask used in a collective exposing machine has chips arranged slipped by DELTAx in the X axis direction, and DELTAy in the Y axis direction from a normal chip arrangement. The use of such a photomask permits perfect registration of a chip 102 obtd. by a contraction exposure machine and a chip 103 obtd. by a collective exposure machine, and enhancement of yield. Further, good registration accuracy can reduce registration allowance and it permits designing of high-density semiconductor devices.
Patent JP-H05106551-A (JP)
Title: Gas compressor
Inventor: KAMIYA KOICHI
IPC: F04B17/04
Filed: 1991-03-07
Abstract: PURPOSE:To reduce the number of component parts and power loss, and eliminate need of a shaft sealing device by compressing air or gas by circulating two pistons in circular cylinder. CONSTITUTION:While one piston 21 is stopped at a first position 4 by a first electromagnet 41, the other piston 22 is guided by a first magnet 31 in the direction of an arrow 3 through a compression and suction stroke to a second position 15. At this time, air or gas in a cylinder 10 in the upstream of the other piston 22 is compressed to be discharged from a discharge port 13 through a discharge valve 16. Simultaneously, air or gas is sucked from a suction port 12 into a space formed in the cylinder 10 in the downstream of the other piston 22. A second magnet 32 advance following the first magnet 31. When the other piston 22 reaches the second position 15, a second electromagnet 42 is energized, so the other piston 22 is detached from the first magnet 31 to be stopped at the second position 15, thereby one stroke of the compression and suction stroke is completed.
Patent JP-H10266911-A (JP)
Title: Air cleaner device for vehicle engine
Inventor: INKOU TATSUMI
IPC: B01D46/10
Filed: 1997-03-21
Abstract: PROBLEM TO BE SOLVED: To replace an air cleaner element without using tools. SOLUTION: Continuous, frame-like sealing walls 30, 31 are formed in a projected manner on the inner surface of a boundary part separating a clean room 25 from a dirty room 24 in an air cleaner case 20. A flat-plate like air cleaner element 23 is inserted from an opening 36 for a duct into the air cleaner case 20. An abutting surface 32 of the air cleaner element 23 is made to abut on the sealing walls 30, 31 via a seal 33, while an engaging project 63, which is formed in the upper part of the air cleaner element 23, is locked by an engaging end part 47 of a locking piece 35, which is formed as an integrated body with an upper case 26, so that the air cleaner element 23 is fixed within the air cleaner case 20.  After this, an intake duct, which is integrated as one body with an air cleaner cover, is inserted into the opening 36 for the duct, so that the air cleaner cover is engaged with the upper case 26 by means of a locking part 34 and a locking claw 45.
Patent JP-H01240916-A (JP)
Title: Fet bias voltage supply circuit
Inventor: GOTO MASAMI
IPC: G05F1/56
Filed: 1988-03-22
Abstract: PURPOSE:To operate a circuit only by a single plus or minus power source and to prevent a surge current from being generated by rising a bias voltage from a second constant voltage generation circuit after rising a bias voltage from a first constant voltage generation circuit at the time of applying a power source, and performing an operation in reverse sequence at the time of disconnecting the power source. CONSTITUTION:After the bias voltage is supplied between a gate and a source by driving the first constant voltage generation circuit 10 and the second constant voltage generation circuit 12 by the single plus or minus power source, the bias voltage between a drain and the source is supplied. Also, after power supply between the drain and the source is cut off, the power supply between the gate and the source is cut off. In such a way, no surge current is generated, and also, the circuit is operated only by the single plus or minus power source, thereby, waste in the distribution of power in a communication system can be saved.
Patent JP-H02246910-A (JP)
Title: Automatic cooker
Inventor: FUKUDA TOSHIKATSU
IPC: A47J27/14
Filed: 1989-03-20
Abstract: PURPOSE:To correctly detect the housed condition of a cooker into a device main body by providing a position detecting switch operated with the abut of a frame and a locking device to lock and hold the frame in the operating positions of an elastic body to be pressed from the operating position of the switch and of the switch. CONSTITUTION:When a frame 9 is surely housed in a housing space 2, a position detecting switch 21 is operated by the frame 9 in the housing position, the housed conduction is detected, an automatic rice cooking with a rice cooker 10 on the frame can be executed, and the housed condition is held by locking the frame with a lock hook 26, when the housed condition of the frame 9 is incomplete, since the frame 9 is not held in the housing position with the lock hook 26 even when the switch 21 is operated, the frame 9 is pressed back from the operating position of the switch 21 to the front side with a coil spring 24, the switch is made into a non-operated condition, and the housed condition is not detected. When a locked condition with the lock hook 26 is released from the housed condition of the frame 9, the frame 9 is pressed out by the coil spring 24, the switch 21 is surely made into the non-operated condition, and the drawn condition or draw capable condition of the frame can be detected.
Patent JP-H04281989-A (JP)
Title: Shield excavator
Inventor: SHIMIZU HIROYA
IPC: E21D9/06
Filed: 1991-03-06
Abstract: PURPOSE:To smoothly attain the lining operation of segments as well as make continuous excavation possible. CONSTITUTION:The skin plate of a shield excavator is divided into front and back skin plates 2a and 2b, and intermediate skin plates 2c-2f having necessary attendant facilities such as a shield operation board 9, a mud water circulating pump 10, and an oil-pressure unit 11 are connected between the skin plates 2a and 2b. The back segment-lining operation space is made wider from the back-side skin plate 2b equipped with an element-assembling erector, and the handleability of these attendant facilities is improved. The propulsion extending speed of a propulsive jack provided to the skin plate 2b is set up to more than two times that of the jack provided to the skin plate 2a. By alternately extending these jacks, the continuous excavation work of tunnel is made possible.
Patent JP-H11264648-A (JP)
Title: Refrigerator
Inventor: NAKAYAMA MIKIHIRO
IPC: F25D23/02
Filed: 1998-03-18
Abstract: PROBLEM TO BE SOLVED: To obtain a refrigerator in which dew formation on a trim is prevented by employing a synthetic resin cover at the front face of the trim and the abutting face of a gasket and providing protrusions between the gaskets. SOLUTION: A freezing chamber 5 is divided vertically into two by providing a trim 25 at the opening thereof and two stages of draw-out doors 16, 17 are provided, respectively, with a container. The trim 25 thereof is provided with a heat insulating material 22 in the synthetic resin body 26 thereof and a synthetic resin cover 27 is provided on the front thereof. Gaskets 28 of the doors 16, 17 are abutted each other and a protrusion 29 is formed between the gaskets 28 fixed to the doors 16, 17 while projecting outward. Dew formation or sweating of the cover 27 is thereby prevented on the surface side of the trim 25 and since heat is discharged from radiation pipes into the chamber, power consumption can be reduced.
Patent JP-S60210667-A (JP)
Title: Electromagnetic wave shielding material
Inventor: YAMAGUCHI NORISHIGE
IPC: C08L67/00
Filed: 1984-04-05
Abstract: PURPOSE:To provide an electromagnetic wave shielding material which has an excellent effect of absorbing electromagnetic wave and shielding it and is lightweight and inexpensive, by dispersing an inorg flake or fiber having a nickel/ boron film formed thereon in a resin. CONSTITUTION:An Ni/B film (composed of at least 95wt% Ni and not more than 5wt% B and having a thickness of 0.05-2mu) is formed on an inorg. flake (e.g. mica, talc, glass or boron nitride flake having an average thickness of 0.1- 40mu and an aspect ratio of 10-1,000mu) or an inorg. fiber (having an average diameter of 1-300mu and an aspect ratio of 2-2,000) by means of electroless plating, etc. 5-50vol% said flake or fiber is dispersed in a resin (e.g. epoxy resin, polyimide resin or polyolefin resin) to obtain an electromagnetic wave shielding material having a permeability (1kHz) of 20 or above and an electrical conductivity of 0.5OMEGA<-1>cm<-1> or above.
Patent JP-H02245971-A (JP)
Title: Method and device for information retrieve processing
Inventor: MIYAHARA MIHARU
IPC: G06F17/30
Filed: 1989-03-20
Abstract: PURPOSE:To make information retrieve highly accurate and efficient by editing a retrieved result according to the significance of a retrieve expression and an index word, utilizing the instruction of conformity/nonconformity information from a user, extracting the word effective as the retrieve word, and adding it to the retrieve expression. CONSTITUTION:A retrieve expression request is inputted based on a key word logic expression by a retrieve expression input means 11, an information retrieve means 21 accesses a data base 31, and based on the collation of an inputted key word logic with the index word applied to each article of the data base 31, the necessary information is retrieved. A retrieved result editing/maintaining means 22 compares the retrieved result with the inputted key word, and calculates a conforming degree at every article of the retrieved result. Further from the information, by which the user judges conformity/nonconformity with respect to the retrieved result, the word suitable for obtaining the result is detected, and reflected to the retrieve expression. Thus the information can be highly accurately and efficiently retrieved.
Patent JP-S55161020-A (JP)
Title: Constructing method for converter
Inventor: AKAMATSU YUKIO
IPC: F27D1/06
Filed: 1979-06-02
Abstract: PURPOSE:To improve the handling workability of furnace construction by using the refractory aggregate closely covered with synthetic resin at the time of constructing the wafer part of converter. CONSTITUTION:The synthetic resin 5 such as vinyl group resin etc. is closely stuck and covered at about 0.1-0.5mm. thickness on the surface of the aggregate 3 of the refractory brick 1 combined in fan-shaped pedestal adjusting to the shape of converter. Wafer part of the converter is constructed by using the aggregate 3. Transformation or collapse of the aggregate 3 is not brought about during transportation because of having a sufficient strength and sliding at the time of construction, is made easy because of having no projecting part. The resin layer 5 of the aggregate 3 is burnt by the converter blowing, but a part of it is remained in joint part after carbonization and it is contributed to improve the life of the converter.
Patent JP-H01242987-A (JP)
Title: Combined display electronic timepiece
Inventor: ICHIKAWA SHINGO
IPC: G04G9/00
Filed: 1988-03-24
Abstract: PURPOSE:To shield a digital display device provided on a dial without impairing the case design by opening and closing display windows of the digital display device by beautiful cap members. CONSTITUTION:A 1st pulse motor 21 for hand driving and a 2nd pulse motor 22 for disk driving are provided on the plate 20. The pulse motor 21 drives the hour hand 3 and the minute hand 4 via wheel trains 23, 24, 25. The pulse motor 22 drives a disk 7 via wheel trains 26, 27, 28. Three pieces of the window parts 7a are provided at every 120 deg. with the disposing position of the digital display device 6 as a reference to the disk 7 and further, 3 pieces of the cap parts 7b are provided to the intermediate positions of the respective window parts 7a. The functions as name plates printed with the timepiece manufacturer's name are provided as well to the cap parts 7b. The pulse motor 22 operates to rotate the disk 7 at every 60 deg. at every operation of a push button 9. The alternate operations to switch the display face of the display device 6 to the display state by the window parts 7a and the shielding state by the cap members 7b are thus executed.
Patent JP-H11263904-A (JP)
Title: Polyalkylene carbonate resin composition
Inventor: MORIYA SATORU
IPC: C08K5/13
Filed: 1998-03-18
Abstract: PROBLEM TO BE SOLVED: To provide a polyalkylene carbonate resin composition excellent in thermal stability. SOLUTION: This polyalkylene carbonate resin composition comprises (A) 100 pts.wt. of polyalkylene carbonate resin and (B) 0.01-5 pts.wt. of a thermal stabilizer selected from a group consisting of (b1 ) a compound containing in a molecule at least two kinds selected from sulfur, phosphorus and phenolic hydroxyl group, (b2 ) a triaryl phosphite containing at least one phenyl group substituted by a substituent having at least five carbons and (b3 ) a compound containing an aryl group substituted at least by hydroxyl group and having an ester structure.
Patent JP-S63232860-A (JP)
Inventor: YAMAZAKI YOSHIHIKO
IPC: B29B13/10
Filed: 1987-03-23
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H04304502-A (JP)
Title: Steering controller by multiple regression formula for autonomous travelling vehicle
Inventor: HATTORI AKIRA
IPC: G06T1/00
Filed: 1991-04-01
Abstract: PURPOSE:To obtain a steering controller by which a smooth automatic steering suited to the sense of a human can be executed in an autonomous ravelling vehicle. CONSTITUTION:Distance information to a white line 11 obtained from a video camera, that is, distance information Xa from a point L(m) ahead of a vehicle 10 to the white line 11 indicating a traveling path in the orthogonal direction to a vehicle proceeding direction, is inputted. Then, a relational expression defining a steering angle S to be steered as an output is estimated by a multiple regression analysis, and a present information Xo, and past information X-1 and X-2 is used as the above mentioned information of the white line.