baber/WOPTO huggingface dataset:
Patent JP-S6226337-A (JP)
Title: Air/fuel ratio controller for internalc-combustion engine
Inventor: NAGAI TOSHINARI
IPC: F02D41/14
Filed: 1985-07-29
Abstract: PURPOSE:To permit the speedy judgement for the active or inactive state of the air/fuel ratio sensors by compulsorily making rich the air/fuel ratio of an engine when the downstream side sensor is in inactive state, when the air/fuel ratio sensors are installed onto the upstream and downstream sides of a catalytic converter. CONSTITUTION:The first and the second air/fuel ratio sensor means A and B which generate the lean signals in inactive state are installed onto the upstream and downstream sides of a catalytic converter installed into the exhaust system of an engine. The first air/fuel ratio control means C for controlling the air/fuel ratio according to the outputs of the sensors A and B is installed. The second air/fuel ratio control means D for compulsorily making the air/fuel ratio rich is installed. Further, a judging means E which judges the active or inactive state of the downstream side sensor means B from the fact that the output V2 of the means B becomes over a prescribed value or not is installed. Therefore, the air/fuel ratio is adjusted by selecting the first air/fuel ratio control means C when the downstream side sensor means B is in active and selecting the second air/fuel ratio control means D when said sensor is in active, by an air-fuel ratio adjusting means F.
Patent JP-S6144932-A (JP)
Title: Production of high-refractive index resin molding
Inventor: SAKATA KANJI
IPC: G02B1/10
Filed: 1984-08-09
Abstract: PURPOSE:To obtain a high-refractive index resin molding on the surface of which a curable film is formed with good adhesion, by treating an alkyl carbonate resin molding containing specified three components with an alkali solution and coating it with a curable substance. CONSTITUTION:The surface of a molding comprising a copolymer containing at least (a) bis(oxyalkylenephenyl)diallyl carbonate or its derivative, (b) an aromatic ring-containing diallyl ester and (c) an aromatic ring-containing monoallyl carbonate is contacted with an alkali solution before it is treated with a curable substance. Examples of component (a) include compounds of formulas I and II. Suitable examples of component (b) include diallyl phthalate and triallyl isocyanate. Examples of component (c) which can be suitably used include benzyl allyl caronate and phenoxyethyl allyl carbonate.
Patent JP-S6323522-A (JP)
Inventor: MATSUNAGA TETSUO
IPC: H02J9/06
Filed: 1986-07-15
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-H088381-A (JP)
Title: Method and apparatus for cutting pin of ic package
Inventor: YANAI YURIKAZU
IPC: H01L23/50
Filed: 1994-06-23
Abstract: PURPOSE:To realize highly accurate simultaneous cutting of a large number of pins of an IC package, at the tip thereof, after plating by making a tapered pin insertion hole in a fixed cutter and a moving cutter, inserting a pin therein, and moving the moving cutter with respect to the fixed cutter thereby cutting the pin. CONSTITUTION:Each pin 2 of an IC package is inserted into the pin insertion holes 31, 32 of a fixed cutter 6 and a moving cutter 7. Since the pin insertion holes 31, 32 are tapered at inclination angles of alpha, beta, the pin 2 is not damaged. Under a state where a punch is lowered to press the surface of the IC package 1 at the pressing part thereof, the moving cutter 7 is moved relatively to the fixed cutter 6 thus cutting the forward end parts of respective pins 2 simultaneously. Since the insertion holes 31, 32 are tapered 31a, 32a at acute angles alpha, beta against the cutting face C, each pin 2 can be cut highly accurately.
Patent JP-H0463768-A (JP)
Title: Power steering device for vehicle
Inventor: TOMOTA ATSUO
IPC: B62D5/04
Filed: 1990-06-25
Abstract: PURPOSE:To obtain suitable steering assist force according to the grip force of a steering wheel against a road surface by detecting the grip force of a steering wheel against a road surface, and correcting steering assist force according to magnitude of the detected grip force. CONSTITUTION:An electric power steering device for an automobile is controlled with a control unit C, and provided with a direct current motor 11 to add assist torque on the output shaft part of a steering shaft and an electromagnetic clutch 12. To the input part of the control unit C, a first and a second steering angle sensors 21, 22, a main and a sub torque sensors 24, 25, for respectively detecting running condition of the automobile, and at least a vehicle speed sensor 26, a crank angle sensor 27, and a reverse switch 28 are connected. In this case, the grip force of a steering wheel against a road surface is detected in the control unit C. The steering assist force is corrected according to magnitude of the detected grip force.
Patent JP-H06347596-A (JP)
Title: Method for supplying powder
Inventor: MINAGAWA SUSUMU
IPC: G21F9/28
Filed: 1993-06-11
Abstract: PURPOSE:To enable supplying radioactive powder from a powder transportation vessel to a predetermined powder supply location without scattering the powder. CONSTITUTION:Radioactive powder is supplied from the opening of a powder transportation vessel 1 to a predetermined supply location by holding a powder transportation vessel 1 so that an opening 5 faces upward, with a rotation arm 2 provided with a powder supply valve 4, connecting the opening 5 to the powder supply valve 4 of the rotation arm 2 and closing the opening 5, and reversing upside down the powder transportation vessel 1, rotating the rotation arm 2 and reversing the powder transportation vessel 1 to face the opening 5 downward, connecting by seal the opening 5 to a powder inlet 7 connecting to a predetermined powder supply location, and opening the powder supply valve 4.
Patent JP-H0824503-A (JP)
Title: Cold trap and device for producing semiconductor device
Inventor: SAKAI TAKUYA
IPC: H01L21/205
Filed: 1994-07-19
Abstract: PURPOSE:To improve an operating efficiency of a device for producing a semiconductor device provided with a cold trap and to secure safety. CONSTITUTION:This cold trap 1 has a helical cooling fin 11 present extendedly along a center axis with the center axis of the vessel as a center at an inside of a cylindrical vessel 1S provided with an opening plane at both end parts and washing liq. circulating ports 7A and 7B communicating respectively with the inside of the vessel 1S at a vicinity of the both end parts of the vessel 1S, and in the device for producing the semiconductor device, this cold trap 1 is inserted between a reaction chamber 2 and a vacuum device 4 evacuating the reaction chamber 2.
Patent JP-H10339081-A (JP)
Title: Guard plate for travel type shelter window
Inventor: SATO YASUSHI
IPC: E04B1/343
Filed: 1997-06-09
Abstract: PROBLEM TO BE SOLVED: To provide a guard plate for a travel type shelter window allowing an operation within a shelter for making simple and easy operations for elevation, positioning and fixing at a service position, a release from a fixed state, or the like, and realizing the operations more easily via simple constitution. SOLUTION: This travel type shelter guard plate 1 is assembled with the outer side of a window glass 3 so as to be capable of ascending and descending, and formed to be replaceable to an upper service position A for concealing the window glass 3 and a lower retreat position B. Also, the guard plate 1 is fitted with an elevator device 16. This elevator device 16 has one end fastened to the guard plate 1 at a shelter outside C, and the other end horizontally laid near an operation wire 17 and a window 2 in a shelter inside D. In addition, the elevator device 16 has a through-passage 18 for loosely leading the wire 17 between the shelter outside C and the shelter inside D, and a positioning means 19 capable of positioning and fixing the guard plate 1 at the service position A.
Patent JP-S5867497-A (JP)
Title: Printer for recording medium
Inventor: NAGASHIMA MASAYOSHI
IPC: B41M5/10
Filed: 1981-10-19
Abstract: PURPOSE:To raise the durability of a recording medium by a simplified device in which a recording medium obtained by orderly laminating an ink absorptive layer and a sliding layer on a substrate is supplied to a printing section, printed, and then pressed by means of a pressing means. CONSTITUTION:On the surface of a substrate 20 made of a plastic, etc., an ink absorptive layer 21 composed of particles of titanium oxide, calcium carbonate, etc., and an adhesive resin and a sliding layer 22 composed of a solid lubricant, e.g., talc, calcium streate, etc., and an adhesive resin are orderly provided. Then, the ink layer F2 of a heat-sensitive transfer film F is lapped on the sliding layer 22 of a recording medium P thus obtained and they are supplied to a heat-sensitive printing head 5, where the ink F2 of the film F is transferred to the sliding layer 22 of the medium P. Then, the medium P is separated from the film F, directed into between press rollers 26, and pressed to cause the ink F2 transferred to the lubricating layer 22 to permeate into the ink absorptive layer 21.
Patent JP-2000000628-A (JP)
Title: Method for forming engine valve
Inventor: MURAKAMI YUKIO
IPC: F01L3/24
Filed: 1998-06-15
Abstract: PROBLEM TO BE SOLVED: To make a part of the thickness of a diameter expansion part of an intermediate product easy to flow in the downward direction of a die hole by improving a forming process of the intermediate product through upsetting forging in the case of forming an engine valve. SOLUTION: On a lower electrode 7 of an electric forge reducing device 6, a forming guide 8 reducing its diameter gradually in a tapered shape to the downward and in a nearly funnel shape is provided and in an expansion process of a diameter expansion part 2a in an intermediate product 2, by regulating free expansion through bringing the lower outer circumferential face of the diameter expansion part 2a into contact with the inner surface of the forming guide 8, the lower surface 2b linked with a shaft part 2c in the diameter expansion part 2a is made into the inclined surface which is gradually reduced into a tapered shape in the diameter.
Patent JP-S5689618-A (JP)
Title: Water surface cleaner
Inventor: SHIMURA MASUO
IPC: E02B15/00
Filed: 1979-12-24
Abstract: PURPOSE: To suck and recover floating matter on a water surface by a method wherein in the water surface cleaning, a water flow is generated in a container floating and moving on the water surface and together with this, the container is induced with a radio controlling system.  
     CONSTITUTION: A container 1 is made of light metals or plastic and a guide channel 2 is installed penetrating from a suction port 3 at the point of the container to the rear end 4. Straightening vanes 13 at the both sides are connected thereto, and on the rear part water surface, a floating matter collecting subdivision 5 is installed. A suction 22 of a pump 8 exists in a subdivision 21 surrounded by an intermediate floor 18 and a bottom surface 17 within the guide channel 2. When water is sucked from this suction 22 and exhausted from an exhaust port 23 into the water, an arrow head direction flow is generated in the water in front of and behind the guide channel and in the water way. One is a sucking lifting flow 24 from the water under te front of the suction port 3 and the other is a sucking and lifting flow 25 from the water under the rear wall 19 of the intermediate floor 18. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H0826697-A (JP)
Title: Hydraulic table lift device and control method for ascending and descending speed of table in this device
Inventor: ODAGUCHI TSUTOMU
IPC: F15B11/04
Filed: 1994-07-19
Abstract: PURPOSE:To eliminate the impact at the time of start or stop of a table especially when the table is lowered. CONSTITUTION:In a hydraulic table lift device for moving a table up and down by using a single acting type hydraulic cylinder 12 as a driving source, a motor M of a hydraulic pump 15 can be controlled forwardly and reversely, and the number of revolution of the motor can also be adjusted. By reversing the motor M, the pressurized oil discharged from the hydraulic cylinder 12 is adapted to be returned in a tank 16 through the hydraulic pump 15. Thus, by changing the number of revolution of the motor M of the hydraulic pump 15, the ascending and descending speeds of the table 11 are changed. When the table is started or stopped, the motor M is rotated at low speed to control the ascending and descending speeds of the table 11 to lower speeds, and thus so called 'soft start and soft stop' are realized.
Patent JP-S6144787-A (JP)
Title: Manufacture of thin film of semiconductor single crystal
Inventor: KOJIMA SHIGERU
IPC: C30B13/00
Filed: 1984-08-09
Abstract: PURPOSE:To obtain the titled thin film having excellent crystallinity and free from (sub)grain boundary and crack, by scanning a semiconductor layer having a specific shape with a heating means along the direction of the stem and cooling and solidifying the molten semiconductor layer. CONSTITUTION:An insulation substrate 1 made of e.g. quartz, etc. is coated with a polycrystalline semiconductor layer 3 and then with a cap layer 4 such as SiO2 layer and/or a cap layer 6 such as Si3N4 layer, etc. by chemical vapor deposition process. The polycrystalline semiconductor layer 3 is composed of the stem 3a having a width (c) of >=10mum and branches 3b protruded from the stem 3a at an interval of >=several mum and having a protruded length (a) of 20-80mum and a length (b) along the stem direction of 20-40mum (a>=b). A heating means (e.g. laser source) having the temperature gradient of the figure along the direction O-O' is transferred along the direction of the arrow alpha to effect the melting of the semiconductor layer 3. Thereafter, the molten semiconductor layer is cooled and solidified to obtain the titled thin film free from cracks, etc., in the region of the branch 3b surrounded by the dotted line D.
Patent JP-H0333869-A (JP)
Title: Image recording device
Inventor: TOUYA YASUYUKI
IPC: G03G15/08
Filed: 1989-06-30
Abstract: PURPOSE:To prevent deterioration of image quality by constituting a developing device and a dust proof glass of a write-in optical system in an exchangeable kit integrally. CONSTITUTION:A dust proof cover 19a is integrally provided in a frame 18 of a developing unit 3, and the exchange kit is integrally constituted from the developing unit 3, the dust proof glass 19, and the dust proof cover 19a. A door 30 openable / closable with its lower edge as its shaft is provided in the right hand side of the device main body housing, the exchange kit is pulled out in the right direction as shown by an arrow from its specified position, and exchange is carried out with a new exchange kit. Thus, neither the dust proof glass 19 nor an electrifier 2 is needed to be removed, the procedure of cleaning is eliminated, and the deterioration of image quality can be prevented.
Patent JP-2000001269-A (JP)
Title: Core of paper magazine
Inventor: TANAKA TETSUYA
IPC: B65H75/24
Filed: 1998-06-15
Abstract: PROBLEM TO BE SOLVED: To facilitate the support of a rolled sensitive material in a dark room by a core for supporting the sensitive material in a paper magazine. SOLUTION: A middle core is dividable into two members 1A, 1B, and each of members 1A, 1B can be joined with a thread member 10. Thread lines 11, 12 consisting of a plurality of taped holes having a space to meet various widths of a sensitive material are formed on the surfaces of the members 1A, 1B, and flange parts 2, 3 are attached at the positions of the taped holes to meet the the size of the sensitive material to be used with screws 14. An inserting part 15 having a plurality of stepped parts insertable into paper tubes having a plurality of sizes is formed in the flange parts 2, 3. Nonskid parts 16, 17 are formed on the periphery of the inserting part 15 and the surface of the stepped part.  In the case where the flange parts 2, 3 is attached to the members 1A, 1B in a dark room, the sensitive material can be supported only by joining the members 1A, 1B with the thread member 10 in the dark room.
Patent JP-H0457620-A (JP)
Title: Electric discharge machining control circuit and method therefor
Inventor: MATSUMOTO KATSUHIRO
IPC: B23H1/02
Filed: 1990-06-26
Abstract: PURPOSE:To quickly avoid the occurrence of abnormal continuous shortcircuit liable to cause the break of a wire electrode by monitoring a continuous shortcircuit condition at the time of shortcircuit discharge state in machining, and lowering the feed rate of the wire electrode or a workpiece to a level different from the case of normal machining, upon appearance of the abnormal condition where the aforesaid shortcircuit state continues or concentrates. CONSTITUTION:When an across-electrode abnormal signal is inputted to a rate control section 23 from a shortcircuit monitor section 24, selection is made from a normal feed curve A to a curve B governed by F-1' of the abnormal F-DATA of F-DATA. Then, the original normal curve A is selected in the predetermined time (reset time). Data governing the reset time is also included in F-1' of the abnormal F-DATA.
Patent JP-H0612236-A (JP)
Title: Circuit and method for multiplication over integer
Inventor: IWAMURA KEIICHI
IPC: G06F7/523
Filed: 1992-06-25
Abstract: PURPOSE:To provide the circuit and method for efficient multiplication considering carry by using a multiplier with the small number of digits in the case of dividing and calculating the large number of digits in the multiplication circuit. CONSTITUTION:In the circuit to multiply an integer A of (n) bits and an integer B of (hXm) bits while defining (h), (m) and (n) as positive integers, the (h) pieces of arithmetic elements composed of the multipliers of 1Xm bits, the full adders of (m) bits and the registers of (m+2) bits are provided corresponding to the (m) bits of the integer B, and the (m) bits of the integer B are multiplied to every one bits of the integer A and outputted to the (m) bit full adders. The full adders add the outputs of the respective multipliers, the high-order 3 bits of the (m) bit full adders at the low-order digit in the case of the last clock from the register at the low-order digit, and feedback value shifting the low-order m-1 bits of the added result at the full adders in the case of the last clock from the same register to the high-order digit by one digit and supplies the high-order 3 bits to the low-order 3 bits of the full adder at the high- order digit, and the content of the m+2 bit register (n) clock later is defined as a multiplied result A.B.
Patent JP-H0831845-A (JP)
Title: Compound semiconductor epitaxial wafer and semiconductor device
Inventor: KOGURE KAZUO
IPC: H01L29/205
Filed: 1994-07-19
Abstract: PURPOSE:To facilitate grounding of a transistor being fabricated by providing a high resistance butter layer on a compound semiconductor substrate through a conductive layer for grounding made of a compound semiconductor. CONSTITUTION:A conductive layer 13 for grounding is grown epitaxially of silicon doped n-type GaAs on a semiconducting GuAs substrate 10. A high resistance buffer layer 11 of GaAs having quit low impurity concentration is provided thereon followed by formation of a conductive layer 12 of silicon doped n-type GuAs for forming a transistor element. The conductive layer 13 for grounding, the buffer layer 11, and the conductive layer 12 for forming a transistor element are grown epitaxially. This method realizes a transistor element in which deterioration of noise characteristics is suppressed and abnormal oscillation is reduced.
Patent JP-S6410644-A (JP)
Title: Manufacture of semiconductor device
Inventor: SUDA KAKUTAROU
IPC: H01L21/76
Filed: 1987-07-02
Abstract: PURPOSE:To realize the high density integration of a device, and prevent, at the same time, an inverse conductivity type region from forming in the epitaxial layer of an element forming region, by making the region of a first conductivity type buried layer formed on a first conductivity type substrate retreat from the region of a second conductivity type buried layer. CONSTITUTION:By side-etching of the side-wall of an oxide film 101 applying a nitrogen film 201 to a mask, the edge position of an oxide film 101 is made to reateat as far as a specified position in a first region. By applying the nitrogen film 201 to a mask, an oxide film 102 is formed. Both of the oxide films 101 and 202 are eliminated, and an n<-> type epitaxial layer 4 of low impurity concentration is formed on a semiconductor substrate 1 on the surface layer of which an n<+> type buried layer 22 and a p<+> type buried layer 3 are formed. Even if the floating-up diffusion of p-type impurity in the p<+> type buried layer 3 is taken into account, the region of the p<+> type buried layer 3 after the n<-> type epitaxial layer 4 is formed can be reduced, because the region of the p<+> type buried layer 3 is made to retreat from the region of the n<+> type buried layer 22.
Patent JP-S6320694-A (JP)
Inventor: TAKEBAYASHI HAJIME
IPC: G07F17/00
Filed: 1986-07-15
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-2000000716-A (JP)
Title: End mill
Inventor: YAMADA AKIHIRO
IPC: B23C5/10
Filed: 1998-06-15
Abstract: PROBLEM TO BE SOLVED: To provide an end mill obtaining excellent cutting performance to cut material such as aluminum. SOLUTION: In a crosscut end mill 10, a rake angle α1 of a peripheral cutting edge 12 is to be 15 deg.-25 deg., a margin of margin width d=0.2 or less is provided, gash machining is applied to an end cutting edge 16 so as to come in contact in a range of 75% or more of a corner R part 14, and a rake angle β1 of the end cutting edge 16 is to be 15 deg.-25 deg.. In case of an end-cutting end mill a rake angle of a peripheral cutting edge is to be 18 deg.-20 deg., gash machining is applied to an end cutting edge so as to come in contact including the whole periphery of a corner R part, a rake angle of the end cutting edge is to be 19 deg.-21 deg., a center recessed angle of the end cutting edge is to be 18 deg.-22 deg., and the end cutting edge is provided with a nick.
Patent JP-H1011972-A (JP)
Title: Semiconductor storage circuit
Inventor: SATO SHOICHIRO
IPC: G11C11/409
Filed: 1996-06-27
Abstract: PROBLEM TO BE SOLVED: To minimize power consumption for switching of a sense amplifier circuit, and reduce power consumption during reading by installing a sense operation detecting circuit, which generates a switching signal for each bit line. SOLUTION: Storage circuit operation is synchronized with a clock CLK, and bit lines BIT1 and BIT2 are precharged synchronizing with L level of the clock CLK. At this time, NMOSes 42 and 43 of a sense amplifier 105 are on, and NMOSes 202 and 205 of a sense operation detecting circuit 108, connected by common gate connection, are also on. Thereby, NMOSes 203 and 206, whose gates are connected to the bit lines BIT1 and BIT2 respectively, are also on to generate a switching signal ESA. At the same time, a word line 11 is broken to stop reading from a memory cell 101, after the sense amplifier circuit 105 is operated. During writing, the sense operation detecting circuit 108 generates a switching signal ESA responding to a write signal WEN to terminate writing.