baber/WOPTO huggingface dataset:
Patent JP-S55153381-A (JP)
Title: Production of piezo-electric ceramic
Inventor: KAWACHI JIYUNJI
IPC: H01L41/39
Filed: 1979-05-17
Abstract: PURPOSE:To improve the energy conversion efficiency by chemically etching crushed particles of the piezo-electric ceramics sintered at a given temperature to be shaped properly and the grain boundary layer is removed to a certain extent by etching. CONSTITUTION:The piezo-electric ceramics sintered at 1,000-1,300 deg.C is crushed into grain size of 0.1-20mu. The particles thus crushed undergoes the chemical etching. The etching speed is made higher for the grain boundary layer than that for the particles to yield the particles clear of the grain boundary layer so that the composition close to the stoichiometric one. The binder is added to the powder of ceramic grains and shaped to a given dimensions. The product is sintered at a higher temperature than that for the pretreatment to yield the piezo-electric ceramics at higher energy conversion efficiency.
Patent JP-S62217171-A (JP)
Title: Test circuit for ram
Inventor: TAKAHASHI HIROMASA
IPC: G01R31/28
Filed: 1986-03-19
Abstract: PURPOSE:To easily take a test with a small number of input/output pins by switching and using a latch circuit which latches the address signal and input/ output data of a RAM in normal operation as a shift register in test mode. CONSTITUTION:Shift register and latches 4 and 5 operates as latches in normal operation mode and also operate as shift registers in test mode with a signal from a test terminal 6. In the test mode, the address signal is inputted to the shift register and latch 4 and data inputted to the shift register and latch 5 through a gate 13 is written in an internal SRAM 2. The same input data is written in an external SRAM 3 as well through a shift register and latch 16. In response to enable signals from input terminals 18 and 21, data read out of the internal SRAM 2 and external SRAM 13 are supplied to a comparator 20 through the shift register and latches 5 and 16 and an error address signal is outputted to a terminal 22 if the both are different.
Patent JP-H06251329-A (JP)
Title: Thin film magnetic head
Inventor: NAKANO YUJI
IPC: G11B5/187
Filed: 1993-02-26
Abstract: PURPOSE:To prevent clogging, spacing loss of a head due to uneven wear by suppressing the uneven wear that fusion-bonding glass, magnetic core are much worn as compared with the other parts. CONSTITUTION:A wear resistant layer 11 is formed higher than the top surface of a thin film magnetic head element 1 in the vicinity of a sliding surface of at least a magnetic recording medium between an upper magnetic core 7 and fusion-bonding glass 4 of a thin film magnetic head, and the thickness of the glass 4 exposed from the sliding surface A of the medium is suppressed thinly to 5mum or less. Further, the thicknesses of the cores 7, 14 are suppressed thinly to substantially 1/2 of the gap depth length.
Patent JP-S61219971-A (JP)
Title: Image recording device
Inventor: OKUBO MASAHARU
IPC: G03G15/047
Filed: 1985-03-26
Abstract: PURPOSE:To extend the life of a semiconductor laser by constituting the titled device so that the surface of a photosensitive body corresponding to a non- recording area is exposed by light emitted from an LED array having a roughly equal wavelength as the wavelength of a laser beam. CONSTITUTION:An LED array 20 whose wavelength for executing a blank exposure (exposure to a non-recording area) is about 600-700nm is provided on the edge of an opening 18 of a partition wall C of a body. When a rotation of a photosensitive drum 3 is started, a primary electrification is started simultaneously, the array 20 is also lighted, and when a semiconductor laser 1L starts to draw an image, the array 20 is turned off. Turning-off of this array 20 and lighting of the laser 1L are executed at a timing overlapped slightly with each other. next, even between transfer sheets, the array 20 is lighted so as to be overlapped slightly to turn off the laser 1L, and when the exposure between the sheets is ended, the array 20 is turned off, and the laser 1L is lighted. Next, in the post-rotational section, an electrifying device 4 is turned off first, the array 20 irradiates the drum 3 and attenuates the surface potential of the drum 3, and thereafter, the rotation of the drum 3 and the exposure of the array 20 are ended.
Patent JP-H09260815-A (JP)
Title: Semiconductor device manufacturing method
Inventor: ISHIKAWA TOMONORI
IPC: H05K3/28
Filed: 1996-03-18
Abstract: PROBLEM TO BE SOLVED: To produce an electronic parts-mounted semiconductor device, using an unwashed flux, without causing such trouble as voids and reduction of the insulation resistance. SOLUTION: Lands 2, 3 on a circuit board 1 are electrically and mechanically connected by solders 7, 8 to electrodes 5, 6 of electronic parts 4 covered with a sealing resin 9 serving as a drip proof on the upper face of the board l. The resin 9 is an acrylic resin. In production, the lands 2, 3 on the board 1 are soldered to the electrodes 5, 6 of the electronic parts 4, using an unwashed flux 10 to mount the parts 4 on the board 1 and the parts 4 are covered with a defoaming agent-added sealing resin 13.
Patent JP-H08255512-A (JP)
Title: Connection cable
Inventor: SAITO TAKASHI
IPC: H01R12/79
Filed: 1995-03-20
Abstract: PURPOSE: To easily set a cable length at the optimum wire length in a connection cable for electrically connecting among devices. CONSTITUTION: Notched parts 24, having depth to core wires 22a, are formed on the coating members 22b of respective cables 22, wherein a flat cable 23 is plane-likely arranged, and one-end parts of contact pieces 33b, corresponding with a movable connector 26 provided on one end of the cable 23, is opened and expanded from the parts 24 to contact with the wire 22a. In this constitution, the connector is made movable in the longitudinal direction of the cables 22 in a condition, where the contact between the pieces 33b and the wires 22a is maintained, to make an real cable length be elastic.
Patent JP-H01235078-A (JP)
Title: Jumping control circuit for disk device
Inventor: KASAI SHOZABURO
IPC: G11B21/08
Filed: 1988-03-15
Abstract: PURPOSE:To realize a stable jumping access by using a jumping pulse generating circuit, a 1st detecting means which generates a deceleration pulse, a deceleration pulse integrating circuit, and a 2nd detecting means which controls the jumping pulse generating circuit to stop the generation of the deceleration pulse. CONSTITUTION:When a start signal is supplied to a control terminal 7, a jumping pulse generating circuit 8 generates and acceleration pulse and then a deceleration pulse generates in case level '1' is detected by a level detecting circuit 12. The generation of the deceleration pulse is stopped by the detection output of a level detecting circuit 15 which detects the integrated value of an integrating circuit 13. This detection output corresponds to the time point when the integrated value of the negative gradient is equal to zero as a 2nd detection level. In such a way, a stable jumping access is attained.
Patent JP-H06252601-A (JP)
Title: High frequency signal transmitter
Inventor: SUGAWARA GORO
IPC: H01P3/06
Filed: 1993-02-26
Abstract: PURPOSE:To transmit a high frequency signal with no distortion and high efficiency without limiting a transmission band and causing no phase delay. CONSTITUTION:A circular line 20 having a uniform size used to set a predetermined characteristic impedance is provided for one end of conical inner conductors 16-18 having a predetermined slope, and a circular line 22 similar to the line 20 is provided for the other end of the conical inner conductors, and a center conductor 24a (26a) of an N-shaped coaxial connector 24(26) is connected to one (the other) end of the inner conductors 16-18 respectively and center conductors 24b,2p. are connected to both ends of an outer conductor 12. A cavity is bemarkated between the inner conductors 16-18 and the outer conductor 12 to reduce a coupling capacitance especially in a multi-stage connection transmission line.
Patent JP-H09260938-A (JP)
Title: Bidirectional antenna
Inventor: YOSHIDA AKEMASA
IPC: H01Q19/28
Filed: 1996-03-18
Abstract: PROBLEM TO BE SOLVED: To supply power without using any distributor and to facilitate the setting of bidirectivity by providing a radiation element and plural waveguides for a prescribed length at the prescribed positions of a ground plate. SOLUTION: A radiation element 2 having a length A1 and a line diameter (a) is installed vertically to the center of a ground plate 1. The element length A1 almost corresponds to λs/4. High frequency power is supplied from a coaxial cable 7 through a connector 6 to this element 2 from the downside. Waveguides 3 and 4 are arranged on the (x)-axis wires of an xyz orthogonal coordinate system with the element 2 inbetween and made parallel and symmetrical to the element 2 and their respective lower ends are connected to the ground plate 1. An element length D1 of the waveguides 3 and 4 is set a little shorter than the element length A1. The gap of the waveguides 3 and 4 and the element 2 is (d).  An impedance matcher 5 is P type and adjusts lengths Mv and Mh of parts extended in the (z) and (y) directions of the matcher 5 so as to perform impedance matching between an antenna and a feeder.
Patent JP-S63228112-A (JP)
Title: Module for coupling semiconductor laser and optical fiber
Inventor: TODA KAZUO
IPC: G02B6/42
Filed: 1987-03-17
Abstract: PURPOSE:To improve long-term reliability of hermetic sealing by providing a window for hermetic sealing in tight contact with a package between a lens and optical fiber at the time of coupling the light condensed by a lens to the optical fiber. CONSTITUTION:The package 11 consists of 'Kovar(R)', etc., and the lens 12 is a spherical end rod lens of a self-focusing type and is fixed by soldering to a lens holder 13. The holder 13 is fixed to the package 11 after the holder is adjusted to the position where the efficiency of coupling of the exit light from a semiconductor laser 1 to an optical fiber strand 2 is maximized. A recess is provided on the inside of the hole on the light exit side of the package 11 and the window 14 for hermetic sealing consisting of sapphire, etc., is fixed to the package 11 by low melting point glass. The optical fiber strand 2 which is fixed to a ferrule 6 by an adhesive agent is then inserted into a ferrule holder 16 and is slid in the directions parallel with and perpendicular to the optical axis. The strand and holder are fixed by YAG laser welding, etc., where the maximum coupling efficiency is obtd. The long-term reliability of the hermetic sealing and workability are thereby improved.
Patent JP-H071970-A (JP)
Title: Folding type roof of vehicle
Inventor: JIYAAGEN DAFUTO
IPC: B60J7/12
Filed: 1994-03-30
Abstract: PURPOSE:To provide a folding roof having a cover which is stable without fluttering by the wind in any stages of opening the cover and whose external appearance is desirable. CONSTITUTION:A cover 8 is installed on an arm composed of short arms 14a-14d and long arms 16a-16d connected pivotally to them. The short arms 14a-14d are connected pivotally to the respective front parts of slidingly movable blocks 20a-20d fixed to a guide rail 10, and the long arms 16a-16d are connected pivotally to the respective rear parts of slidingly movable blocks 20-20c. The large diameter surfaces 24a-24d and the small diameter surfaces 26a-26d are arranged on the rear ends of the short arms 14a-14d, and locking elbows 32a-32c having legs 34a-34c and downward legs 36a-36c are installed on the slidingly movable blocks 20a-20c. The legs are locked by coming into contact with the step part between the large diameter surface and the small diameter surface. The slidingly movable blocks have respective forming parts 38b-38d, and when the locking elbows are fitted in these forming parts, the locking is released.
Patent JP-H05268248-A (JP)
Title: Call reception control system using fuzzy control
IPC: G06F9/44
Filed: 1992-03-18
Abstract: PURPOSE:To estimate a band at the time of receiving a call without complicated band estimation calculation. CONSTITUTION:The traffic characteristic of a network can be decided with an experience to some degree. Then, the band at the time of receiving a call is estimated by rule judgement obtained by making the traffic characteristic into a fuzzy rule. Namely, a fuzzy rule judgement means 101 calculates respective band estimating value and the adaptability concerning respective plural fuzzy rules consisting of an antecedent part which sets a parameter decided from a traffic parameter respectively reported from a subscriber at the time of a calling requirement from the subscriber and that showing a traffic situation in the network to be an input and a fuzzy variable shown with a prescribed membership function to be a condition, and a consequent part where the band estimating value being an output is shown with the function of the input. A band assignment value estimating means 102 estimates a band assignment estimating value corresponding to the subscriber from the band estimating value and the adaptability concerning the respective fuzzy rules determined by the fuzzy rule judgement means 101.
Patent JP-2000261762-A (JP)
Title: Recorder
Inventor: WATANABE YOSHIYUKI
IPC: G11B20/00
Filed: 1999-03-09
Abstract: PROBLEM TO BE SOLVED: To record audio data without input image. SOLUTION: A vertical synchronizing signal separator circuit 12 separates a vertical synchronizing signal from an image signal received at an image input terminal 10 and gives the vertical synchronizing signal to a system control circuit 34. The circuit 34 usually allows a switch 18 to select the output of an A/D converter 14, but allows an OSD circuit 16 to generate image data including information such as the used quantity of a tape 32, the vacant capacity and the current time when there is no interruption by the vertical synchronizing signal from the circuit 12 is received for a prescribed period or over, and changes the switch 18 over to the output side of the OSD circuit 16. An image signal processing circuit 20 applies compression and error correction coding to the image data from the switch 18.  An audio signal processing circuit 26 converts an analog audio signal from an audio input terminal 24 into a digital signal with a self-running clock, encodes the digital signal with a prescribed method with error correction and gives the result to a recording processing circuit 30. The recording processing circuit 30 applies recording processing to image information from the image signal processing circuit 20 and audio information from the audio signal processing circuit 26 and records the result onto a magnetic tape 32.
Patent JP-H11257474-A (JP)
Title: Working vehicle
Inventor: SOGA TAKEHIRO
IPC: F16H61/02
Filed: 1998-03-12
Abstract: PROBLEM TO BE SOLVED: To prevent the occurrence of a trouble that, in a conventional working vehicle, though deceleration is effected by decreasing the number of revolutions of an engine during turning, when it is set that a working machine is automatically raised in linkage with steering operation, deceleration is not effected unless it comes to a time right before completion of turning, and smooth turning is sometimes impracticable, and when deceleration is effected at a low speed working time, work precision, on the contrary, is reduced or smooth turning is sometimes interrupted. SOLUTION: An automatic transmission mechanism is provided with a straight advance state detecting means switch 48 to detect whether steering is in a straight advancing state and a steering operation speed detecting sensor 44 to detect a steering operation speed. This mechanism is constituted such that when it is detected by a straight advance state detecting switch that steering is in a straight advance state, when a detecting value by a steering operation speed detecting sensor 44 is higher than a detecting value by the steering operation speed detecting sensor 44 is higher than a predetermined set value, a car speed is automatically changed to a predetermined speed, and the operation state of an automatic transmission mechanism is rendered effective or ineffective.
Patent JP-H08229722-A (JP)
Title: Spot facing machine for material to be cut
Inventor: MOTOSUGI HITOSHI
IPC: H05K3/00
Filed: 1995-02-24
Abstract: PURPOSE: To perform alignment of a presser bush agreeably by providing a magnetic body attracted corresponding to polarity of a plurality of magnetic bodies mounted on a supporting plate in a ring contacting part and fitting a presser bush in a center hole of a movable centripetal plate of the supporting member. CONSTITUTION: A centripetal plate 30 moved with a material to be cut and a table plate by frictional resistance with the material to be cut when spot facing work is started and if a horizontal manual plate and a table plate are moved horizontally by a servo motor for X axis and by a servo motor for Y axis respectively. At this time a ring contact part 33 of the centripetal plate 30 is normally in a chamber 24 of a supporting member 22. If a center position of a center hole of a presser bush 38 and a center hole 20b of the presser foot 20 are dislocated when the presser foot 20 rises, the centripetal plate 30 is attracted to supporting member 22 side of a plurality of magnetic member 29 respectively. Whereby, the centripetal plate 30 is returned to a center of the center hole 20b of the presser foot 20.
Patent JP-S51138133-A (JP)
Title: Figure recognizing device
Inventor: ITOU CHIAKI
IPC: G06T7/60
Filed: 1975-05-23
Abstract: PURPOSE: To avoid increase of the hardeare which carries out sequence processing even if the number of microscopic features increases in a figure recognizing device using the microscopic feature. 
     COPYRIGHT: (C)1976,JPO&Japio
Patent JP-S57175015-A (JP)
Title: Roller die for drawing wire
Inventor: MACHIDA KENJI
IPC: B21C3/08
Filed: 1981-04-22
Abstract: PURPOSE:To provide a compact drawing machine with excellent workability, capable of simultaneous drawing of two wires, by providing a horizontal roll having two pass lines to the center of a base body, and providing two vertical rolls to the front and rear sides of the horizontal rolls so as to coincide the pass lines of the vertical rolls with that of the horizontal roll. CONSTITUTION:In a horizontally rolling part, two upper rolling rolls 13 are incorporated into a subblock 6 fixed to a block 5 which is fixedly attached to a base body 1 so as to support the rolls 13 freely rotatably in a type of both ends supporting by bearins 14. Two lower rolling rolls 13 are incorporated, in the same manner, into a subblock 8 fixed to a lower block 7 so as to support the rolls 13 freely rotatably in a type of both ends supporting by the bearings 14. In a vertically rolling part, two rolling rolls 16 and 16' having vertical axes respectively are incorporated into a block 15 fixed to the base body 1. The axis of the roll 16' is moved to freely adjust the clearance between the rolling rolls by rotating the subblock 18 against the block 15.
Patent JP-S58179273-A (JP)
Title: Coating composition
Inventor: KOJIYOU HIDEHIKO
IPC: C08G59/14
Filed: 1982-04-14
Abstract: PURPOSE:To provide a coating composition having excellent adhesivity and corrosion protecting property, and suitable for the coating of a rusted copper plate or an inadequately undercoated copper plate or aluminum plate, by compounding a specific chelatereactive epoxy resin, an active organic hardener, a bituminous material, etc. CONSTITUTION:The objective composition is prepared by compounding (A) a resin curable with an epoxy resin curing agent derived from (i) an acid of phosphorus having one or more P-OH bonds (e.g. orthophosphoric acid), (ii) an ester (e.g. n-butyl ester) of an acid of phosphorus, (iii) a salt (e.g. potassium salt) of an acid of phosphorus, and (iv) an epoxy resin (preferably the OH group of the phosphoric acid, etc. is 0.05-0.4 equivalent per 1 equivalent of the epoxy group) with (B) an active organic hardener for epoxy resin (e.g. aliphatic polymine) and (C) a bituminous substance (e.g. coal tar) and/or its substitute. EFFECT:An excellent coating film can be obtained even by spontaneous drying drying or forced drying with heat, etc.
Patent JP-H11245164-A (JP)
Title: Polishing device
Inventor: KAMIYA HIDEJI
IPC: B24B27/00
Filed: 1998-02-26
Abstract: PROBLEM TO BE SOLVED: To surely generate cut chips, reduce heat, tool wear or the like and to provide a desired polished surface stably for a long time. SOLUTION: A normal direction pressing force Fn and a tangential direction friction force Fn are detected by a force sensor 11. The normal direction pressing force Fn is controlled in the range of an expression Ft0 /α>=Fn >=Fn0 when a pre-calculated force Fn0 for starting the generation of cut chips, a force Ft0 for suppressing heat generated during polishing or tool wear to a permissible limit and a friction coefficient α are defined. A polishing speed V is controlled based on an expression V=Ks .G/Ft when a polishing amount G per unit time se beforehand so as to obtain a desired polished surface, a ratio polishing resistance Ks per unit chip area and the friction force Ft of a tangential direction are defined.
Patent JP-S62219657-A (JP)
Title: Manufacture of semiconductor integrated circuit
Inventor: TERASHIGE TAKASHI
IPC: H01L21/8226
Filed: 1986-03-20
Abstract: PURPOSE:To use a hetero-junction bipolar transistor as an I<2>L vertical type transistor, and to improve the lowering by hfe by each conducting specific epitaxial growth and etching and a diffusion or ion implantation. CONSTITUTION:A first conductivity type first semiconductor layer 2 and a second conductivity type second semiconductor layer 3 are laminated in succession, the second semiconductor layer 3 is etched selectively, and a first region in which the first semiconductor layer 2 is exposed and a second region in which the second semiconductor layer 3 is left are formed. A first conductivity type third semiconductor layer 4 is laminated on said first region and second region, and a second conductivity type impurity is diffused or ion-implanted from the surface of the third semiconductor layer 4. The first semiconductor layer such as N-InP 2 and the second semiconductor layer such as P-InGaAsP 3 are grown on a substrate such as an N-InP substrate 1 in succession through an LPE method, the P-InGaAsP 3 is etched selectively, and the third semiconductor layer such as N-InP 4 is grown so as to bury the upper section of the left P-InGaAsP 3. Zn as a P-type dopant is diffused to a predetermined position to shape Zn diffusion regions 7, 8.
Patent JP-S54153902-A (JP)
Title: Steam temperature controlling apparatus
Inventor: KUCHITSU MOTOHARU
IPC: F22G5/12
Filed: 1978-05-26
Abstract: PURPOSE: To improve the control performance of an S/H spray valve and to stably perform steam temperature control by keeping constant the differential pressure before and behind the S/H superheater spray valve by means of a pressure transmitter, using programme signals due to a load.  
     CONSTITUTION: An S/H spray pressure regulating valve 5 is arranged at the front stage of an S/H spray valve 4. The inlet pressure 15 of the S/H spray valve is controlled by controlling the exit pressure of the S/H spray pressure regulating valve at the pressure value which is obtained by adding an arbitrary pressure to a temperature reducer pressure corresponding to each load. To a function generator 16, load instruction 10 is supplied, and the generator generates the value which is obtained by adding a differential pressure set value to the pressure of the temperature reducer in loading, then the resulted value is the target value 17 of the S/H spray valve inlet pressure. An adder 18 reduces the S/H spray valve inlet pressure 9 from the target value 17, and generates the deviation signal 19. To a PI regulator 20, the deviation signal is supplied, and the PI regulator generates the operation amount 12 of the S/H spray pressure regulating valve 5. 
     COPYRIGHT: (C)1979,JPO&Japio