baber/WOPTO huggingface dataset:
Patent JP-H04148633-A (JP)
Title: Apparatus for removing weed
Inventor: MIZUNO AKIRA
IPC: A01M21/04
Filed: 1990-10-12
Abstract: PURPOSE:To obtain the subject apparatus, having high safety and capable of removing weeds without using any agricultural chemical by installing a high- voltage electrode in the interior of a stick for generating a high voltage, providing the tip of the stick with a recessed part and projecting the tip of the high- voltage electrode from the bottom of the recessed part within a range to a place without reaching the tip of the stick. CONSTITUTION:In an apparatus 1 for removing weeds by applying a pulsed high voltage or DC high voltage across a high-voltage electrode 8 and soil to remove the weeds from lawn, etc., by spark discharge, the high-voltage electrode 8 is installed in the interior of a stick 2 composed of an insulator for generating the high voltage and the base end thereof is connected through a cable 18 to a high-voltage generator 6. The tip of the stick 2 for generating the high voltage is simultaneously provided with a recessed part 14 of an insulating material 12 hollowed to a prescribed depth and the tip of the high-voltage electrode 8 is projected from the bottom of the recessed part 14 within the range without reaching the tip of the stick 2 for generating the high voltage. Thereby, the body of an operator will not touch the high-voltage electrode 8 on the tip thereof and the safety is improved.
Patent JP-H03138917-A (JP)
Title: Single-winding transformer
Inventor: TERANISHI TSUNEJI
IPC: H01F30/02
Filed: 1989-10-24
Abstract: PURPOSE:To provide a compact and light-weight transformer with a reduced space between windings by alternately winding a metal sheet and an insulating sheet to form shunt and series windings. CONSTITUTION:A shunt winding 10 and a series winding 11 are formed by alternately winding metal sheet 12 (winding conductor) and intercoil-insulating sheet 13. The insulating sheet 13 is wider than the metal sheet 12 to extend from the upper and lower edges of the metal sheet 12 to an extent. A lead conductor 14 from a medium-voltage winding is connected to the end of the shunt winding 11, and then the series winding is wound. In this constitution, the voltage between the shunt and series windings becomes zero, and thus the insulation dimension between the windings 11 and 12 can be minimized. Therefore, it is possible to use a smaller iron core 1, and thus to provide a compact and light-weight transformer.
Patent JP-S61157633-A (JP)
Title: Manufacture of steel bar for drill collar
Inventor: HARADA TAKEO
IPC: C21D6/00
Filed: 1984-12-28
Abstract: PURPOSE:To manufacture a steel bar for a drill collar having a low hydrogen content and a metallic structure which can be hardened and tempered in succession by hot rolling a steel material, cooling the resulting steel bar to the bainite formation temp., and holding it at the temp. for a proper time or cooling it slowly. CONSTITUTION:A steel material of a low-alloy steel such as a medium-C Cr-Mo steel is hot rolled, and the resulting steel bar is cooled to the bainite formation temp. to form an easily austenitizable bainite-base structure. The steel bar is then held at about 400 deg.C as the bainite formation temp. for >=10hr or cooled slowly at <40 deg.C/hr cooling rate for >=10hr to reduce the hydrogen content to <=about 1ppm at which quenching crack is remarkably inhibited. A steel bar for a drill collar having high strength and toughness and causing no quenching crack is obtd.
Patent JP-S62134595-A (JP)
Inventor: AKINAGA MAKOTO
IPC: G21C17/003
Filed: 1985-12-09
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-H01115706-A (JP)
Title: Pneumatic radial tyre
Inventor: MASUDA HIDENORI
IPC: B60C11/04
Filed: 1987-10-29
Abstract: PURPOSE:To make the rigidity of blocks larger and make deformation at the time of rolling smaller so as to enhance durability by set the groove width and the groove depth of cross direction main grooves of a tread in such a way to respectively decrease gradually toward the opening portions on the outside of the tread. CONSTITUTION:In a tyre 21, cross direction main grooves 23 extending axially are arranged in the circumferential direction at regular intervals along both shoulder areas 22a of a tread 22. In addition, plural longitudinal main grooves 25 extending circumferentially are arranged in the middle area 22b of the tread 22 and as well longitudinal sub-grooves 26 extending circumferentially are arranged on both sides of these grooves 25. Further, cross sub-grooves 27 crossing axially or diagonally are arranged between respective longitudinal grooves 25, 26 so that blocks 28 are divided. In the above structure, the cross direction main grooves 23 have opening portions 23a opening outside of the tread 22. The groove width W23 and the groove depth D23 of the cross direction main grooves 23 are set in such a way to respectively decrease gradually toward the opening portions 23a.
Patent JP-H03138879-A (JP)
Title: Ic socket
Inventor: ISHIYAMA KUNIO
IPC: H01R33/76
Filed: 1989-10-23
Abstract: PURPOSE:To perform the evaluation and test of a flat package IC without soldering it to a printed board by providing a pressing mechanism moving the IC socket positioned by multiple pilot pins and bringing tips of probe pins into contact with an objective pattern on the printed board. CONSTITUTION:The same number of probe pins 20 as IC lead pins 10-1 are erected and arranged on the lower face of an IC socket so that fixed end sections of probe pins 20 are electrically connected to corresponding pin contacts. Multiple pilot pins 80 are erected and arranged on the lower face of the IC socket so that their tips are inserted into positioning holes 90 bored on a printed board 41. A pressing mechanism 60 moves the positioned IC socket with multiple pilot pins 80 and brings tips of probe pins 20 into contact with an objective pattern on the printed board 41. The evaluation and test of the flat package IC can be performed without soldering it to the printed board 41.
Patent JP-H04154756-A (JP)
Title: Production of surfactant
Inventor: KUWAZUKA TOSHIAKI
IPC: C09K23/24
Filed: 1990-10-16
Abstract: PURPOSE:To obtain an aqueous solution of N-long chain acyltauride or paste, hardly causing turbidity, etc., useful for surfactants by reacting a taurine compd. with a fatty acid chloride obtained by reaction of carbonyl chloride with a fatty acid. CONSTITUTION:Firstly, a reaction is made pref. at 40-100 deg.C for ca.5hr between (A) a 8-20C saturated or unsaturated fatty acid such as lauric acid and (B) pref. 1.05-1.5 molar times, based on the component A, of carbonyl chloride in the presence of a solvent and/or catalyst if needed, followed by complete degassing to obtain a high-purity fatty acid chloride. Then, a further reaction is made between (1) one equivalent of this fatty acid chloride, (2) 0.5-1.5 equivalents of a taurine such as N-methyltaurine and (3) 1-4 equivalents of an alkali such as NaOH e.g. in an aqueous solvent esp. pref. at -10 to 40 deg.C for ca.5hr, thus obtaining the objective aqueous solution or paste, hardly causing turbidity or precipitation, usable as a raw material for surfactants without necessitating isolation thereof.
Patent JP-H08137442-A (JP)
Title: Pulse width modulation circuit and electrooptical display device using it
Inventor: IWAMA JUN
IPC: G09G3/36
Filed: 1994-11-09
Abstract: PURPOSE: To provide a pulse width modulation circuit capable of continuously changing a pulse width. CONSTITUTION: A sample-and-hold circuit 31b is constituted of a switch 31b1 and a capacitor 31b2, and the switch 31a1 is turned on by a pulse Ps, and a video signal SV is sampled, and the signal superimposing a lamp waveform signal SL on a pixel signal obtained by sampling is obtained as an output signal SSH. The pulse width modulation circuit 32 is constituted of a comparator 32b1, and the signal SSH is supplied to the positive side terminal of the comparator 32b1, and a reference voltage Vr is supplied to the negative side terminal.  Since the higher the level of the lamp waveform part of the signal SSH becomes high the higher the level of the pixel signal becomes high, the period when it becomes higher than the comparison reference voltage Vr is increased, and the pulse width of a pulse width modulation signal SPWM outputted from the comparator 32b1 becomes one according to the level of the pixel signal. The pulse width of the signal SPWM is changed continuously according to the level of the pixel signal without performing pulse width modulation after the pixel signal is A/D-converted as usual.
Patent JP-H03136049-A (JP)
Title: Image transfer device
Inventor: AKASHI AKIRA
IPC: G03D13/00
Filed: 1989-10-23
Abstract: PURPOSE:To minimize the degradation of picture quality caused by picture distortion and to evade troublesome operability which involves manual operations by winding an adhesive sheet around the outer periphery of a drum with an adhesive surface outside, and providing a specific loading part. CONSTITUTION:The adhesive sheet 126 having the adhesive surface is wound around the periphery of the rotary drum 102 with the adhesive surface outside; both ends of the adhesive sheet 126 are fixed to a flat part provided by shaving a part of the outer periphery of the drum. The flat part is provided with a loading part where an image receiving sheet P is superimposed with an image sheet F, which is a color photosensitive film, and they are attached. Additionally, the loading part is provided with a part where a pin bar 112, which positions both sheets, is attached. Since the position of the image receiving sheet is fixed and does not move an inch with the aid of the adhesive film until transfer is carried out four times, the superimposed accumulation of the dislocation and the distortion of a transfer picture is extreamly reduced. Also, an manual operation which requires a skill for alignment is evaded, and picture transfer is performed in a uniform adhering condition, which provides high picture quality.
Patent JP-H11108029-A (JP)
Title: Tapered plug
Inventor: SHIOKAWA TAKEJI
IPC: F16B5/02
Filed: 1997-10-08
Abstract: PROBLEM TO BE SOLVED: To form a positioning hole with high accuracy and facilitate forming of a male screw, etc., by arranging the tapered surface of a cone frustum, a projection on a terminal of a large end and a seal groove on the tapered portion for keeping airtightness. SOLUTION: A tapered portion 101 of a tapered plug 1 is a cone frustum with a smooth surface. A projection 102 is formed on a terminal of a large end so as to be projected perpendicularly to an axial direction. An elastic packing is fitted to a sealing groove 107 on an intermediate part of the tapered portion. A tapered hole 3 is formed on a member 4 by means of a forming drill. When the piece 1 is applied to the hole 3, the piece 1 is fixed by the contact between the tapered portion 101 and a tapered portion 3 of the hole, contact between a lower surface 103 of the projection and a stepped portion 302 of the hole. In order to fasten a member 5 having a hole 51, the member 5 is mounted on a rear surface of the member 4 followed by fastening by a male screw 6.  Accurate fastening can be obtained by accurately processing the tapered portion 101, and simultaneously processing the tapered portion 301 of the hole and the stepped portion 302.
Patent JP-S62134985-A (JP)
Title: Plastic laser element
Inventor: ENMANJI KIMIE
IPC: H01S3/17
Filed: 1985-12-06
Abstract: PURPOSE:To increase a life of a plastic laser element and to improve light emitting efficiency of the laser element by dispersing a phosphor colorant enclosed in cyclodextrine in a polymer matrix. CONSTITUTION:A plastic laser element in which phosphor colorant enclosed in cyclodextrine is dispersed in polymer matrix is provided. Discoloring velocity of the colorant is decelerated by enclosing the colorant with the cyclodextrine. Accordingly, the plastic laser element having less discoloring by a flash lamp can be manufactured. The phosphor yield becomes twice to improve laser light emitting efficiency.
Patent JP-S63129564-A (JP)
Title: Preventing system for unauthorized copying of recording medium
Inventor: ITO HIROKO
IPC: G06F21/12
Filed: 1986-11-19
Abstract: PURPOSE:To easily and surely prevent unauthorized copying from being generated, by providing a copy limiting information part in the access prohibited area of a recording medium, and providing a read/write prohibiting and cancelating means from the recording medium on a copying means, etc. CONSTITUTION:The gate part 40 of a read/write means 4 is controlled by the control part 30 of the copying means 3 via a gate control means 7, and the prohibition of the read/write of the device 4 is released. And the copy limiting information of the access prohibited area in the recording medium 12a is read by a processing part 31, and the presence/absence of the write on the medium 12a is decided, and the written content of the medium 12a is read out by the means 4 when information is written on the medium, and the number of times of permitted copying is not zero, and the copying is performed on a copying recording medium 12b through the means 3 and the read/write means 5, etc., then, one is subtracted from the number of times of permitted copying of the medium 12a. In such way, the number of times of copying is limited, an the copying from a duplicate medium is prohibited, and also, the rewrite of the copy limiting information is prohibited, thereby, it is possible to easily and surely prevent the unauthorized copying from being generated.
Patent JP-H07176995-A (JP)
Title: Method and equipment for controlling duty cycle of oscillator
Inventor: RAJIEEBU BADEIARU
IPC: H03K3/017
Filed: 1994-10-14
Abstract: PURPOSE: To provide a device for permanently maintaining the duty cycle of an output signal even when a process parameter fluctuates in an oscillator circuit. CONSTITUTION: In one embodiment, a series of transistor stages 44, 46, and 48 are turned into an operable state so that a control circuit 45 for changing the valid bias voltage of an amplifier in a Pierce oscillator 12 can be provided. The bias voltage of the amplifier is changed so that the duty cycle of the output signal of the oscillator 12 can be proportionally changed. Each transistor stage 44, 46, and 48 is provided with first and second transistors selectively connected in parallel with the amplifier. The process parameter of each transistor of the circuit is made smaller than the transistor of the amplifier, and the bias voltage of the amplifier can be increased or decreased only by constant amounts so that an output signal having the highly precise duty cycle can be generated.
Patent JP-H02124324-A (JP)
Title: Device for regenerating brake energy of vehicle
Inventor: SHIMA TAKASHI
IPC: B60T1/10
Filed: 1988-10-31
Abstract: PURPOSE:To enable desired creep traveling by controlling the inclination rotation angle of a pump/motor in a hydraulic circuit so as to generate an output torque for creep and carrying out hydraulic starting when the accumulated pressure in the hydraulic circuit is above a defined value in a vehicle starting standby condition. CONSTITUTION:A PTO device 1 provided on a transmission 10 connected to an engine via a clutch 22 takes out the driving force of wheels 21 as a hydraulic brake force, and a hydraulic circuit consisting of high/low pressure accumulators 5, 6, a circuit selector valve 4, and a pump/motor 3 is connected to the PTO shaft thereof via an electromagnetic clutch 2. In an MPU 15, it is judged whether a vehicle is in a starting standby condition or not based on the outputs of a vehicle speed sensor 12, a gear select lever 11, and a parking brake switch 9. At the time of judging affirmative and when the accumulated pressure detected by an accumulated pressure sensor 7 is above a defined value, the inclination rotation angle of the pump/motor 3 is controlled so as to generate a creep hydraulic torque.
Patent JP-2001098188-A (JP)
Title: Active energy ray-curable coating composition
Inventor: TERAUCHI MAKOTO
IPC: C09D5/00
Filed: 1999-09-29
Abstract: PROBLEM TO BE SOLVED: To provide an active energy ray-curable coating composition which can form a coating film having an excellent marker pen (felt-tipped pen) ink- repelling property, an excellent ink-wiping property and its excellent durability. SOLUTION: This active energy ray-curable coating composition comprises a polymer (component A) having quaternary ammonium salt groups, at least either of acryloyl groups or methacryloyl groups [integrally described as '(meth) acryloyl group'], and organopolysiloxane units bound to a main chain through nitrogen atoms, a polymer (component B) having organopolysiloxane units bound to the main chain without mediating the (meth)acryl group and the nitrogen atom, and a multi-functional (meth)acrylate (component C) having totally three or more (meth)acryloyl groups in the molecule. Therein, the (component A/component B) content weight ratio is 20/80 to 99/1, and when the total amount of the components A, B and C is 100 pts.wt., the total content of the components A and B is 1 to 40 pts.wt., and the content of the component C is 60 to 9 pts.wt.  A coating film obtained by curing the composition has a water contact angle of >=100 degree.
Patent JP-S63129515-A (JP)
Title: Floating type magnetic head
Inventor: YOSHIDA MASANOBU
IPC: G11B5/60
Filed: 1986-11-19
Abstract: PURPOSE:To set a magnetic head at an ideal low floating height, by connecting a floating slider part and a magnetic head part via a flexible member, providing a deformation driving means on the member, and setting the means possible to be displaced for the slider part and the head part with an external signal. CONSTITUTION:In a floating type magnetic head 20 which performs recording and reproduction in a floating state being separated with a micro interval from a recording medium plane, the slider part 21 and the magnetic head part 22 are connected integrally via the flexible member 24, and also, the deformation driving means to deform the member 24 is driven with the external signal, and thereby, a relative position between the slider part 21 and the magnetic head part 22 can be displaced. Also, a piezoelectric member is used for the member 24, and the member 24 can be deformed by impressing a controlled voltage on electrodes 25a and 26a provided on the member from the outside. By constituting a device in such way, it is possible to set the floating height of the magnetic head part 22 arbitrarily for the slider part 21 when the device is used. Therefore, it is possible to absorb variance in the floating height generated in a manufacturing process due to a various kinds of factors, and also, to set the ideal low floating height, then, to heighten reliability.
Patent JP-H03137593-A (JP)
Title: Apparatus for measuring time when running object pass a section
Inventor: HAMAZAKI EIZO
IPC: G04F10/04
Filed: 1989-10-24
Abstract: PURPOSE:To obtain a running range from the number of receivers receiving radio waves from dynamos mounted on running objects while obtaining section running time of the running objects and clearing time of all sections by determining passing time of the running objects through the receivers. CONSTITUTION:Times for racing horses to pass a section, calculated and deter mined with a time counting section 3 of main measuring devices R0-R11 and sub measuring devices r0-r11, is transmitted to a computer A with an optical cable PA to be totallized in terms of racing horses. By determining a difference in passing time among the main measuring devices R0-R11, passing time per section (1 furlong) is obtained and a running range and running time are obtained by determining the sum of the number of the main measuring devices R0-R11 included in measurement and section passing time. Results of computation with the computer A are transmitted to a host computer within a managing yard of a racing field with an optical cable FA to be stored and printed out as required.
Patent JP-S63129514-A (JP)
Title: Core inserting method and device for magnetic head
Inventor: MATSUBARA TOSHINORI
IPC: G11B5/105
Filed: 1986-11-19
Abstract: PURPOSE:To prevent a crack or a chip from being generated, by inserting a leaf spring having a long side and a short side into parallel grooves provided on a slider in a direction of the long side, inserting a core by sliding it on the surface of the leaf spring, and pulling out the leaf spring leaving only the core. CONSTITUTION:The slider 2 is placed stationally on a floor 9, and the leaf spring 3 is inserted into the groove 13 with the finger (not shown in figure) of a robot. A pusher 5 and the core 1 are attracted compactly on an inserting plane 7 which makes a plane in parallel with the inserting base plane 15 of the slider 2 on the floor 9 leaving a valve 11 opened. Next, the slider 2 is slided with a push bar 10 in a pressing direction 18, and an abutting plane 14 and a reference plane 8 are brought into contact closely with each other, thereby, the leaf spring 3 is kept in a state where it can stand vertically. Next, when the valve 11 is closed, the core 1 is released from an attracted state, and drops freely along a space between the inserting plane 7 and the leaf spring 3, and begins to be inserted in the groove 13. The core 1 is pressurized into the groove 13 further along the inserting plane 7 with the pusher 5.
Patent JP-S62136189-A (JP)
Title: Secam chrominance signal reproducing device
Inventor: YASUE KIYOU
IPC: H04N9/72
Filed: 1985-12-09
Abstract: PURPOSE:To stabilize a color reproducing output at a fixed level, by inserting a fixed DC voltage by switching a current which is determined by a constant current during a blanking period and producing an inserting DC voltage at a constant-current source by making non-modulated parts match to the inserted fixed DC voltage. CONSTITUTION:When a transistor 24 is turned on in a blanking period, during which the transistor 24 is turned on, transistors 20 and 21 are cut off and transistors 22 and 23 are turned on. Then the current I1 of a constant-current source 31 is made to flow to transistors 25 and 26 through the transistor 22. In addition, the current I2 of another constant-current source 32 is made to flow to the transistors 25 and 26 through the transistor 23. Therefore, the inserted DC voltage V3 goes to V3=VCC-R7.(I1+I2)/2 at a load resistance 7 which is an R-T output and the inserted DC voltage V4 becomes V4=VCC-R 8.(I1+I2)/2 at another load resistance 8 which is a B-Y output.
Patent JP-H03153908-A (JP)
Title: Lock mechanism
Inventor: RONARUDO ARUFURETSUDO MEISOMU
IPC: G05G5/12
Filed: 1990-10-17
Abstract: PURPOSE: To operate a locking mechanism comparatively easily even with a hand wearing a glove by providing a configuration in which a first part and a second part can be locked at many different relative travel positions exceeding the number of surface formation of the first part or the second part. CONSTITUTION: Rows of surface formation as a series of opening holes arranged along a circular locus coaxial with flanges 41, 42 and axial lines of each flange are provided in each flange 41, 42. A lock nut flange 41 has 13 opening holes which are arranged apart at an equal interval with respect to each other along a circular locus, and a flange 42 of a main body 18 has only 12 opening holes 44A to 44L arranged apart at an equal interval with respect to each other along a circular locus like moving core having the same diameter. Merely one opening hole 43 only of the flange on one side can be aligned with opening holes 44 of the flange on the other side even in any orientation of relative angle of two flanges 41, 42.  Two flanges 41, 42, accordingly, a lock nut 31 and the main body 18, are mutually locked by a split pin 50 inserted into the opening holes 44A, 43A arranged in order in this condition.