baber/WOPTO huggingface dataset:
Patent JP-S608696-A (JP)
Title: Heat exchanger
Inventor: AOYAMA SHIGEO
IPC: F28F1/32
Filed: 1983-06-27
Abstract: PURPOSE:To shorten the needed length of a refrigerant tube, by enabling bend parts of a tube also to exchange heat, by providing plate fins which are continuous toward the flowing direction of the air, to the bend parts of a refrigerant tube. CONSTITUTION:A certain number of plate fins 3a and 3b which are continuous toward the flowing direction of the air are provided to the bend parts 4b of a refrigerant tube 4, and end plates 5 are provided at both ends of the fins 3a and 3b, at the ends of bend parts 4b, located within the width of tube diameter. Heat can be exchanged also in the bend parts 4b, by providing plate fins 3a and 3b which are not divided by the bend parts 4b of a refrigerant tube. As a result, the needed length of a refrigerant tube can be shortened, large heat transfer surface can be taken, and the heat exchanging rate can be increased, that is, the heat exchanging capacity can be increased. In addition, assembling ability of a heat exchanger can be increased, because temporary assembly can be performed by the presence of plate fins 3a and 3b, when the end plates 5 are installed to the fins.
Patent JP-H04344445-A (JP)
Title: Optical fuel specific gravity sensor
Inventor: FUJIMOTO KIYONOBU
IPC: G01N9/36
Filed: 1991-05-21
Abstract: PURPOSE:To provide an optical fuel specific gravity sensor capable of correctly detecting specific gravity of engine supply fuel by using an optical means. CONSTITUTION:An optical fuel sensor 25 is furnished with a position detection light receiving device 39 to detect change of an optical path accompanying change of a refractive index of fuel. Output from the position detection light receiving device 39 is processed through a refractive index detection means 40, a specific gravity detection means 41, a specific gravity correction means 42 and a heavy duty correction computing means 43, and it is used to calculate a heavy duty fuel correction coefficient at the time of fuel supply. Heavy duty fuel correction is carried out at the special time of driving such as at the time of cold driving. A control unit is furnished with a map to show relations between fuel specific gravity and fuel temperature, and carries out correction in accordance with the fuel temperature obtained by a temperature sensor. In this case, the higher the fuel temperature goes up, the more correction increases.
Patent JP-S632026-A (JP)
Title: Camera having bimorph driving element
Inventor: TANAKA YOSHIHIRO
IPC: H02N2/00
Filed: 1987-05-12
Abstract: PURPOSE:To exactly control driving of a shutter and a photographic lens by operating a driving part by impressing a prescribed voltage to a bimorph driving element, impressing a voltage reverse to the prescribed voltage after the operation, and stopping the reverse voltage, when a reset of the driving part to its initial position has been detected. CONSTITUTION:For instance, in a lens driving circuit, a voltage Va corresponding to the displacement quantity required for feeding a ratchet is accumulated in a capacitor C5, and also, a voltage Vb required for resetting a lens to its initial position is accumulated in a capacitor C4. In this state, when a transistor Tr24 is turned 'ON', the voltage Va which has been accumulated in the capacitor C5 is impressed to a bimorph driving element Bi2, and the bimorph driving element Bi2 is displaced in order to driving a lens for focusing. Subsequently, this transistor Tr24 is turned 'OFF' once, and also, a transistor Tr23 is turned 'ON', and to the bimorph driving element Bi2, the voltage Vb which has been accumulated in the capacitor C4 is applied in the reverse direction, and the bimorph driving element Bi2 is reset to its initial position.
Patent JP-S63280960-A (JP)
Title: Piston ring made of steel
Inventor: OBA MITSURU
IPC: C22C38/00
Filed: 1987-05-13
Abstract: PURPOSE:To prevent any damage caused by partial embrittlement after nitriding treatment in corner part of a piston ring nitriding treatment, a ring by performing chamfer of a dimension within a specific range on the corner part, the piston ring made of steel used for a internal combustion engine, after nitriding treatment. CONSTITUTION:Chamfering is applied within a range from 0.15-0.60mm at the cross-sectional corner part of a piston ring made of steel on which nitriding treatment is made by a depth of 100-200mum. And the steel contains C 3.0-0.9%, Si less than 2.0%, Mu less than 2.0% and Cr 2.0-9.0.% by wt. And, as a constitutional element of steel, Al shoule be contained in the component mentioned 0.3-2.0%. Al is contained to improve the nitriding property. Furthermore, one kind or more than two kinds of W, Mo, V and Nb can also be contained. It chamfering by at least, 0.15mm is applied on the corner part, the nitrided layer 9 can be obtained in an uniform depth, and resultantly, concentration of stress is alleviated and embrittlement can be prevented.
Patent JP-S61274972-A (JP)
Title: Printer
Inventor: ODAKAWA KAZUAKI
IPC: B41J19/18
Filed: 1985-05-31
Abstract: PURPOSE:To enhance a recording speed to a large extent, by connecting two discs for carriage return and figure-up capable of being selectively connected to a motor rotating one-sidedly through a clutch to a carriage having a recording head mounted thereto through a belt. CONSTITUTION:When a carriage 3 is present at a home position, a return finish detecting switch 6 is turned ON and an initializing signal is issued and, at the same time, a signal is set to an electromagnetic clutch 11 to connect the rotary shaft of a motor 9 to the side of a figure-up crank disc 10. As a result, a figure-up belt 14 is drawn out by the circular arc motion of a shaft 13 in the countercdlockwise direction shown by an arrow A and the carriage 3 performs figure-up motion toward the left. When figure-up is finished, the side surface of the carriage 3 turns a switch for detecting the finish of figure-up ON and the electromagnetic clutch 11 is changed over by the signal from said switch and, now, the rotary shaft of the motor 9 is contrarily connected to the crank disc 12 for returning the carriage 3 to make the figure-up crank disc 10 free. As a result, a belt 17 for returning the carriage is drawn out from a frame 1.
Patent JP-H09307517-A (JP)
Title: Digital television broadcast multiplex system, its transmitter and receiver
Inventor: HIGUCHI YUJI
IPC: H04N19/33
Filed: 1996-05-10
Abstract: PROBLEM TO BE SOLVED: To provide a digital television broadcast multiplex system, its transmitter and receiver copying with both reception by a mobile body and a stationary station. SOLUTION: A conventional coder 1 and a conventional hierarchical coder 2 are employed to digitize a video signal S1 and an audio signal S2 respectively and the former output is used for a mobile body and the latter output is used for a stationary station. The latter output includes high definition information S3 and basic information S4.  The high definition information S3 is multiplexed on the information outputted from the coder 1, the resulting information is multi-value-converted into information at a frequency band for a mobile body by a mapping device 3, the basic information S4 is multi-value-converted into information at a frequency band for a stationary station by a mapping device 5, they are orthogonally transformed by orthogonal transformation devices 4, 6 and the outputs of them are synthesized by a synthesis device 7, the output of the device 7 is frequency converted and power-amplified by a transmission high frequency section 8 and the resulting signal is sent from an antenna 9.
Patent JP-S5240862-A (JP)
Title: Brazing method of corgated fins in heat exchanger
Inventor: YUMITA YASUO
IPC: B23K1/00
Filed: 1975-09-26
Abstract: PURPOSE: A brazing method of corgated fins capable of brazing with good efficiency by means of brazing with minimum quantity of a necessary brazing materials and of improving the innert gas flow for heating in in the oven etc. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H09303182-A (JP)
Title: Air-fuel ratio control device for internal combustion engine
Inventor: FUKUMASU TOSHIHIRO
IPC: F02D41/18
Filed: 1996-05-10
Abstract: PROBLEM TO BE SOLVED: To prevent the generation of a bad smell during the idling of an engine without worsening the emission of exhaust gas during the starting of a vehicle. SOLUTION: In an air-fuel ratio control device for an internal combustion engine to control an air-fuel mixture air-fuel ratio during the idling of an engine to a target value leaner than a theoretical air-fuel ratio, the air-fuel ratio control device comprises a deciding means (step 203) to decide that an intake air amount during the idling of an engine exceeds a given amount; and an air-fuel ratio control means (step 206) to adjust an air-fuel ratio of air-fuel mixture to a value richer than a target value when it is decided by the deciding means that an intake air amount during the idling of the engine exceeds a given amount.
Patent JP-H07326898-A (JP)
Title: Assembly device of printed board
Inventor: AOKI AKIRA
IPC: H05K13/08
Filed: 1994-05-30
Abstract: PURPOSE:To enable higher-rank components of numerical data of a plurality of data items to be read in a simple manner by making it possible to specify one of the a plurality of types of the data items in operation for each component and rearranging and displaying each component name in order of the numerical value of the specified data item. CONSTITUTION:A part detection sensor 26 and a part posture detection sensor 29 are mounted, respectively, on the top and the bottom, in line with the intermediate position and the bottom position of a suction nozzle. Operation for mounting parts is controlled by a CPU 31 on the basis of data stored in a RAM 33 according to a program stored in a ROM 32 and an output signal via an interface 34 of sensors. When an operator presses a switch part shown as the 'Number of Parts to Be Sucked' on the CRT36 screen, the CPU 31 rearranges reels and other item values in order of decreasing values of this column.
Patent JP-S5451484-A (JP)
Title: Semiconductor device and its manufacture
Inventor: OGIUE KATSUMI
IPC: H01L21/76
Filed: 1977-09-30
Abstract: PURPOSE: To increase the degree of integration, by blocking the extension toward lateral direction at the heat treatment process after that, through the provision of the groove surrounding the semiconductor layer and reaching the substrate, after forming the semiconductor layer being the collector region on the semiconductor substrate.  
     CONSTITUTION: The N +  type layer 2 is deposited on the P type Si substrate 1, and it is covered with the SiO 2  film 3 and the Si 3 N 4  film 4. The groove 5 is formed in the substrate 1 by opening window at a given area with etching, and the layer 2 is split in island shape. Next, the P +  type region 6 is formed with ion implantation at the eaves of the groove 5, the N type layer 8 is epitaxially grown on the entire surface by removing the films 3 and 4, producing the grown layer 10 of concave in the groove 5 along the groove 5 and flat growing layer 10 on the island region. After that, the SiO 2  film 11 and the Si 3 N 4  film 12 are coated on the surface, the specified region on the surface of the layer 10 is removed, and after depositing the N type impurity, the N +  type region 16 for collector electrode drawing out reaching the layer 2 is formed by extension and diffusion. Thus, the layer 2 is not extended toward lateral direction because of the presence of the groove 5 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H06335200-A (JP)
Title: Motor equipped with rotor cooling means
Inventor: NAKAMURA ATSUO
IPC: H02K9/12
Filed: 1993-05-19
Abstract: PURPOSE:To provide a simple structure of rotor cooling means which can effectively suppress the temperature rise of a motor by positively cooling a rotor. CONSTITUTION:A motor 10 is equipped with a rotor 14 having a shaft 12, a stator 18 surrounding the rotor 14, and end housings 32 and 34 supporting the shaft 12 rotatably. A circular member 44 fixed to the end housing 32 in opposition to one end face in axial direction of the rotor 14 is equipped with a through hole 50, which leads to the passage 58 of the end housing 32, a circular cavity 46, and a plurality of through holes, which open toward the rotor 14. Cooling medium, which is pressurized and fed into the passage 58 of the end housing 32 from outside, is distributed and jet out into a motor through the circular member 44. Likewise, a circular member 60 is fixed to the end housing 34, and the cooling medium, which has absorbed the heat of the rotor 14, is collected through the circular member 60, and is discharged out of a motor from the passage 74 of the end housing 34.
Patent JP-H1070017-A (JP)
Title: High voltage variable resistor and high voltage resistor
Inventor: KOTANI KOICHI
IPC: H01C13/00
Filed: 1997-05-07
Abstract: PROBLEM TO BE SOLVED: To easily and surely mount linear terminals in a holder of a high voltage resistor used as a bleeder resistance; the terminals being inserted in conductive rubber terminals at a flyback transformer. SOLUTION: An insulation board 22, having a resistance pattern with a pair of electrodes on the surface and with first and second leads connected to these electrode, is housed in an insulation resin holder 21 which has a main body 21a having an opening shaped to insert and surround the board 22. Linear terminals 25 are fitted into terminal fitting parts 26, 27, 28 formed at the outer wall of the holder 21. The fitting parts are composed discrete fitting parts 26, 27, 28 at the opening side walls 21f located at the opening of an insulation case 1 one side wall 21b adjacent to the opening side wall.
Patent JP-S598156-A (JP)
Title: Control signal reproducing device
Inventor: MURASE ATSUSHI
IPC: G11B15/52
Filed: 1982-07-05
Abstract: PURPOSE:To reproduce a signal even in the very low speed state or stop state, by using a magnetic flux responding head. CONSTITUTION:The output signal of a rotary head servo 8 is supplied to a DC motor 6 through a driving circuit 9 to perform the phase control of a rotary disc 4 at the reproducing time. A magnetic tape 20 is driven at a constant speed by a capstan 11. The capstan 11 is driven through pulleys 12 and 14 and a belt 13 by a DC motor 15. The output signal of a frequency generator 16 which detects the number of revolutions of the DC motor 15 and the output signal of a reference oscillator 10 are supplied to a capstan servo circuit 18. The reproduced output of a control head 19 is supplied to the capstan servo circuit 18 through an amplifier 23 to perform the speed control and the phase control of the capstan 11.
Patent JP-S5740663-A (JP)
Title: Wake indicator
Inventor: KANOU YUKIO
IPC: G01S7/12
Filed: 1980-08-26
Abstract: PURPOSE:To enable uniformalization of an after-image time of a wake on an indicator, by a method wherein a wake control circuit, which reduce the number of rewriting times of a wake data by means of a gate signal, obtained from a synchrnous signal, irrespective of a distance to a target, is mounted in a wake indicator for moving terget. CONSTITUTION:In a feedback control part 24 whereto a quantizing video signal is fed from an indicating memory part 22, a feedback control, indicating a graduation of a wake, is performed, and is rewritten as a wake data in the indicating memory 22 via an input and output control part 21 by means of a gate signal from a wake control circuit 25. In the wake control circuit 25, X and Y are separately read by a full sweep from the input control part 21 by means of a synchronous signal to write them into address memories 31 and 33, respectively, and are read at a next sweep time to be sent to coincidence circuits 32 and 34, respectively. In the circuits 32 and 34, the current sweep is compared with X and Y quantizing data based on their respective magnetic declination data before sweeping, and only if both coincide with each other, a gate signal is outputted to the feed back control part 24 to rewrite them as a past wake into the indicating memory part 22.
Patent JP-H08310225-A (JP)
Title: Air conditioner for vehicle
Inventor: SAKURAI YOSHIHIKO
IPC: B60H1/00
Filed: 1995-05-16
Abstract: PURPOSE: To correctly inform a passenger of the fact that other air conditioning units are not in normal automatic control action conditions by changing driving of the air conditioning units corresponding to an action instruction from automatic control into manual control, and changing display of a display means into action condition display for the other air conditioning units. CONSTITUTION: If plural air conditioning units 7, 8 are performing interlock action or sole action is determined by an on/off action instruction from an operation means 2. As the air conditioning units 7, 8 corresponding to air conditioning zones in which an inner air detection means from the determination means 5 are stopped, sole action means 6b, 6c change driving of the other air conditioning units 7, 8 from automatic control into manual control, and they also change display conditions of display means 9, 10 corresponding to the other air conditioning units 7, 8 from set temperature display into action condition display of the other air conditioning units 7, 8. Air conditioning blow blown from the air conditioning units 7, 8 can thus be properly temperature- controlled by manual operation.
Patent JP-S5740590-A (JP)
Title: Preparation of modified kerosine
Inventor: HATSUTORI SHIYUUJI
IPC: C10L1/18
Filed: 1980-08-26
Abstract: PURPOSE: To obtain a synthetic modified kerosine having the same composition as that of a modified kerosine on the market easily in a short time in high reproducibility, by adding a specific amount of t-butylperoxy-2-ethylhexanoate to kerosine, followed by heating.  
     CONSTITUTION: 0.5W2.0Wt% (preferably 1wt%) t-butylperoxy-2-ethylhexanoate is added to kerosine, which is heat-treated preferably 60W70°C for 2W4hr (preferably at 65°C for 3hr), to give the desired modified kerosine.  
     USE: Combustion characteristic test, estimate of life, and comparison of life of a combustor requiring a large amount of a modified kerosine for test is made possible. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H0529052-A (JP)
Title: Manufacture of waterproofing connector
Inventor: NAGIRI KENZOU
IPC: H01R13/52
Filed: 1991-05-22
Abstract: PURPOSE:To allow easy insertion of a lead even when the diameter of a through-hole in 2a water-proof rubber tap, etc., in which the lead is passed is made small. CONSTITUTION:A tube 20 to fix a lead 6 in a housing hole is formed of silicon material, and the tube 20 is immersed in gasoline and swollen to enlarge the diameter of a through-hole 20a in the tube 20. The lead 6 is inserted through the enlarged through-hole 20a and then the tube 20 is dried to narrow the diameter of the through-hole 20a. In this way, the lead 6 is closely fixed in the through-hole 20a.
Patent JP-S5819451-A (JP)
Title: Cold trap for liquid metal
Inventor: FUJITA MASAO
IPC: G21F9/06
Filed: 1981-07-29
Abstract: PURPOSE:To increase the amount of the impurities to be captured in settling chamber parts wherein the impurities in liquid metal for cooling of atomic reactors in a cold trap are deposited and are captured by providing heaters in said chamber parts. CONSTITUTION:Of the liquid Na cooled by the flow of a coolant such as gaseous N2 through an inlet 17 to an outlet 18, the impurities deposited in an annulus part 8 are deposited with the bottom part of a well part 1 and the settling chambers 2 provided in the part 1 as nuclei. The impurities of the liquid Na entering a capturing part 5 are increased by segregation to the amt. larger than the actual amt. of the impurities, thereby closing the drain nozzle 3 in the upper part of the chamber 2. The temp. of the nozzle 3 is measured with a thermometer 22 provided near the same, and voltage is applied to the heaters 9 provided in the chambers 2 according to the measured temp. The closing of the nozzle 3 is prevented and the amt. of the impurities to be captured is increased.
Patent JP-H04232089-A (JP)
Title: Pressure sensitive recording material
Inventor: WAANAA MITSUSHIYURAA
IPC: B41M5/145
Filed: 1991-05-23
Abstract: PURPOSE: To upgrade color developing by incorporating a coating layer containing a specific polycyclic compound and organic condensation component on a substrate, and incorporating an electron attractive developing component blended within the substrate. CONSTITUTION: The pressure sensitive recording material comprises a polycyclinc compound represented by a formula on a substrate, a coating layer containing an organic condensation component made of a lower alkyl, fluoran or phthalide, and a developing component made of an electron attractive activated clay blended within the substrate, wherein X is a pyrolyl group, thienyl group, indolyl group, carbazolyl group, acridinyl group, benzofuranyl group, benzothienyl group, naphthothienyl group, phenothazinyl group, indolyzinyl group, durozinyl group, cairolinyl group, dihydroqunolinyl group or tetrahydroquinolinyl group. Thus, particularly, blue and purpile color developing can be upgrated.
Patent JP-S5819496-A (JP)
Title: Controlling method for electric current of plating in tin electroplating line
Inventor: TSUJIHARA TOSHIYUKI
IPC: C25D5/26
Filed: 1981-07-29
Abstract: PURPOSE:To adhere a specified amount of tin uniformly and efficiently on a steel strip by controlling electric current values in such a way that a min. and uniform amount of tin is adhered thereon in the 1st pass and a target amount of tin is adhered thereon in the 2nd and succeeding passes. CONSTITUTION:In a calculating part A, the amt. of the tin to be adhered in the 1st pass is calculated from the min. current value for adhering tin uniformly on a steel strip in the 1st pass, the electrodeposition efficiency of the 1st pass operated from a line speed and the current value of the 1st pass and the width of the steel strip. In a calculating part B, the required amt. of the tin to be adhered in the 2nd and succeeding passes on the min. amt. of the tin adhered in the 1st pass is calculated from the target amt. of the tin to be adhered on the steel strip, and from said value as well as the line speed and the width of the strip, the total current value required for plating in the 2nd and succeeding passes and a required number of passes are calculated.
Patent JP-S62275939-A (JP)
Title: Substrate feeder
Inventor: ASO AKIYOSHI
IPC: B65H3/54
Filed: 1986-05-22
Abstract: PURPOSE:To load securely one by one panels or printed circuit plates in a predetermined position by adsorbing the surface of a substrate with a sucker to take out the substrate around the fulcrum of substrate end. CONSTITUTION:A substrate carrier 19 is moved by a motor 18 until it is sensed by a substrate detecting photocell 20 to hold a panel or printed circuit plate 11 with a substrate holding lever 14 by a cylinder 15. And a sucker 12 is moved by a cylinder 21 and one sucker is pulled out by a cylinder 13. Thus, the panel or printed circuit plate 11 is completely separated. And the substrate holding lever 14 is separated from the panel or printed circuit plate 11 by the cylinder 15 to rotate a lever 16 by a loading lever moving cylinder 22 so that the panel or printed circuit plate 11 is supplied to a predetermined positions.