baber/WOPTO huggingface dataset:
Patent JP-H0279632-A (JP)
Title: Device for compensating cross polarization interference
Inventor: IWAMATSU TAKANORI
IPC: H04J11/00
Filed: 1988-09-16
Abstract: PURPOSE:To prevent cross polarization interference compensating capacity from deteriorating and to eliminate the need for a high speed device by controlling a signal discriminating timing on a cross polarized wave side adaptively. CONSTITUTION:A phase control circuit 45 generates a pseudo error signal based on the size of the error of a main polarized wave demodulation signal after interference compensation. The phase of a timing clock for signal identification supplied from a clock generation circuit 42 to a cross polarization demodulation circuit 41 is controlled in a direction to reduce the generating frequency of the pseudo error signal. Thus, a compensation signal is generated at a compensation signal generation circuit 43 based on a demodulation signal whose discrimination timing is set at the optimum state, and an interference signal in a main polarized wave can be suppressed by using the compensation signal. In such a manner, delay difference between a main polarized wave and the cross polarized wave can be compensated adaptively, thereby, the cross polarization interference compensation capacity can be prevented from deteriorating, and no device such as a high speed A/D converter, etc., is required.
Patent JP-H04114372-A (JP)
Title: Optical head driving device
Inventor: YAMADA YUICHI
IPC: G11B21/02
Filed: 1990-09-05
Abstract: PURPOSE:To shorten seek time and access time even when vertical placement is employed by providing a rotary member consisting of a bar shape magnet and a bar shape iron plate by confronting with each other, and reducing a force in which the gravity of a mechanism part is applied to a rail by the repulsion or attractive force of the magnet. CONSTITUTION:When a device is placed vertically, the mobile magnet 13 of the mechanism part 1 approaches the magnet 20 of the rotary member 14, and distance d3 between them is reduced, therefore, the repulsion is applied between them. Therefore, the gravity of the mechanism part 1 is applied to the rail 3 in a perpendicular direction, however, since the force P2 due to the repulsion is applied in a reverse direction, the force applied to the rail 3 can be reduced. In such a way, it is possible to remarkably reduce slide resistance generated in the rail 3 even when the device is placed vertically, and to increase the travel speed of an optical head 2. Therefore, the seek time can be shortened, and also, the access time can be reduced.
Patent JP-H0280414-A (JP)
Title: Graft copolymer useful as additive for unsaturated polyester resin
Inventor: OZAKI TATSUHIKO
IPC: C08L67/06
Filed: 1988-09-17
Abstract: PURPOSE:To improve compatibility with and dispersibility in unsatd. polyester resins, etc., the shrinkage resistance and coating characteristics of a molded item, etc., by incorporating two specified constituting units and a vinyl monomer unit contg. a COOH group or an acid anhydride group. CONSTITUTION:The title copolymer contg. 10-80wt.% (hereinbelow merely %) constituting units of formula I [wherein R<1-2> are each H or CH3 and at least one of them is H; R<3> is a 1-18C aliph. or alicyclic hydrocarbon group or formula III (wherein R<5> is a 1-18C hydrocarbon group; m is 2-3; r is 1-5); n is 5-90], 20-89.9% constituting units of formula II (wherein R<4> is a 1-3C alkyl) and 0.1-5% vinyl monomer units having a COOH group or an acid anhydride group in such a way that the sum of these three constituting units is 60% or higher is obtd. by reacting a crotonic acid-(meth)acrylate macromer (A), a vinyl carboxylate monomer (B) (e.g., vinyl acetate) and a vinyl monomer contg. a COOH group or an acid anhydride group (C) (e.g., crotonic acid) with one another.
Patent JP-H06194340-A (JP)
Title: Ion measurement device
Inventor: IERUKU SHIYUBUIIRUTSUKE
IPC: G01N27/62
Filed: 1993-09-20
Abstract: PURPOSE: To provide an apparatus to measure ions in a gas which has a small size, causes the minimum disturbance in gas flow, is independent of the direction and the velocity of the gas flow, and whose sensor can be connected with a processor through a long cable. CONSTITUTION: A gas flows in the surrounding of a spherical electrode 1 composing a sensor and electric charge of ions is applied to the electrode, so that electric current flows from the electrode 1 and is supplied to an inverse input of an operational amplifier 3. A switch 8 is switched by control by a controlling circuit 9 and a negative voltage source 7 in the case of measurement of the number of positive ions, a positive voltage source 6 in the case of measurement of the number of negative ions, and an earth potential 14 in the case of ion balance measurement are supplied to a non inverse input of an amplifier and the voltage of the electrode becomes constant independently of the signal level.  The operational amplifier 3 and a resistor 4 constitute a current/voltage transformer and transform the current into voltage and then supply the obtained voltage to an evaluation circuit 10 and thus the number of ions can be computed based on Rieck expression. The obtained number is compared with the upper limit and the lower limit threshold values by a comparison circuit 12 and in the case the number is out of a range, an alarm is generated from an alarming part 12. The number of the ions is displayed on a display 11.
Patent JP-H1164268-A (JP)
Title: Polarographic gas sensor
Inventor: UCHIMURA KOJI
IPC: G01N27/416
Filed: 1997-08-13
Abstract: PROBLEM TO BE SOLVED: To provide a polarographic gas sensor which can simply and surely detect a sensitivity deterioration without using a calibration sample, etc., and without interrupting a measurement for a long time. SOLUTION: In this gas sensor, a chamber 4 sectioned from outside by a diaphragm 3 which passes only a gas to be measured is formed at one end of a sensor body 1. An electrolyte 5 is filled in the chamber 4. An operating electrode 6 and an opposite electrode 7 are arranged in the electrolyte 5. A voltage is applied between the operating electrode 6 and the opposite electrode 7. A current running between the electrodes 6 and 7 through an electrolysis of the gas to be measured which passes the diaphragm 3 is measured. In this case, a sensor output in a fixed time is measured after the voltage to be applied between the operating electrode 6 and the opposite electrode 7 is changed. The sensor output is compared with a sensor output before the voltage is changed. The presence/absence of a sensitivity deterioration is detected on the basis of a degree of the change.
Patent JP-H0282109-A (JP)
Title: Optical sensor and measuring instrument using same
Inventor: IMI TETSUSHI
IPC: G01C3/00
Filed: 1988-09-20
Abstract: PURPOSE:To take a measurement stably by providing 1st and 2nd light quantity detectors which detect the quantities of received light corresponding to 1st and 2nd light receiving optical systems. CONSTITUTION:When a body (a) to be measured is set up, a light source 5 is turned on and the body (a) to be measured which has a 1st reflection factor is moved at the same time. At this time, reflected light from the body (a) to be measured is light-received by optical fibers 3 and 4 and converted photoelectrically by photoelectric converting elements 6 and 7. The output signals of the elements 6 and 7 are received by a measurement part 9 and a received light quantity measuring circuit 9a calculates the ratio of the quantities of received light. Then the ratio of the quantities of received light is received by a displacement quantity measuring circuit 9b, which calculates the quantity of displacement from the previously stored relation between the ratio of the received light quantities and the displacement quantity and outputs the quantity to a display device. Thus, the displacement quantity is measured stably.
Patent JP-H06287073-A (JP)
Title: Carbon-containing refractory
Inventor: ICHIKAWA KENJI
IPC: C04B35/66
Filed: 1992-09-01
Abstract: PURPOSE:To provide a carbon-containing refractory excellent in abrasion and spalling resistance. CONSTITUTION:This carbon-containing refractory comprises 50-97wt.% refractory aggregate, 3-50wt.% carbonaceous material and an adequate amount of a binder. In the refractory, coarse grains of the refractory aggregate are at least partially constructed from refractory aggregate grains 2 having a columnar shape. The refectory aggregate grains having the columnar shape are preferably in a prismatic form. Furthermore, the length ratio of the long side/the short side is optimally 2.5-10.0.
Patent JP-H0396491-A (JP)
Title: All-terrain travel vehicle
Inventor: INOUE TETSUO
IPC: B62D63/02
Filed: 1989-09-08
Abstract: PURPOSE:To improve the quality of vehicle running, steering or the like, and enable enjoying the safe turning of a vehicle by providing turning means for turning a body with a brake mechanism and a steering mechanism interlocked, and a selector means for turning the body with a steering wheel while releasing the1 interlock of the aforesaid mechanisms. CONSTITUTION:So far as a selector lever 88 is not gripped, a steering handle 7 and one of right and left disc brakes 40 and 41 are kept in an interlocked condition via a turning means. It follows, therefore, that when the steering handle 7 is turned during straight forward travel, one of the disc brakes 40 and 41 at the side of a turning direction is actuated, and a differential motion takes places between right and left drive wheels 8a and 8b, and 9a and 9b. As a result, the body 1 of a vehicle can be turned as desired, even at a place where the frictional coefficient of a ground surface is relatively small. On the other hand, once the selector lever 88 is gripped, the interlocked motion of the steering handle 7 and the disc brakes 40 and 41 is released, and the right and left drive wheels 8a and 8b, and 9a and 9b are driven with power transmitted from an engine 13. At the same time, the motion of the steering handle 7 is transmitted to a steering wheel 2.
Patent JP-S60126206-A (JP)
Title: Mildewproofing agent
Inventor: ITOU YOSHIBUMI
IPC: A01N59/14
Filed: 1983-12-13
Abstract: PURPOSE:A mildewproofing agent having sufficient mildewproofing effect, capable of keeping its effect, putting itself to practical use, preventing occurrence of molds especially on the surface of sawn wood, obtained by adding an oxidizing agent to an alkali silicate. CONSTITUTION:0.1-10wt% oxidizing agent such as H2O2, sodium percarbonate, sodium perborate, sodium hypochlorite, sodium chlorite, etc. is added to 0.5- 10wt% aqueous solution of an alkali silicate shown by the formula (R is K, Na, or Li; n is 2-5), to give the titled agent. A preferably composition of the mildewproofing agent is a mixture of sodium silicate, H2O2, and sodium percarbonate in a weight ratio of 95-99 sodium silicate (calculated as 24wt% SiO2 concentration), 0.1-5 H2O2, and 0.1-5 sodium percarbonate, and the mixture of them is preferably processed into 0.2-5wt% aqueous solution. It is applied to materials to be treated such as wood, inner parts of constructions, etc. by a means such as brushing, spraying, immersion, etc.
Patent JP-S59123021-A (JP)
Title: Solar electric power generator
Inventor: NAKA HARUO
IPC: H02J1/00
Filed: 1982-12-28
Abstract: PURPOSE:To reduce the electric power supplied to an error voltage detecting amplifier and therefore to reduce a heating value by providing a current limiter at the input part of a shunt circuit. CONSTITUTION:A current limiter 7 is provided between the input part of a shunt circuit 5a, for example, and a diode 6a. The output current of the circuit 7 increases as the output current, i.e., the driving current of an error voltage detecting amplifier which supplied via the diode 6a increases gradually. When the driving current reaches the saturated region of the circuit 5a, the current is held at a fixed level by the circuit 7. Therefore the electric power supplied to the error voltage detecting amplifier can be reduced. This device can reduce the heating value.
Patent JP-H0394894-A (JP)
Title: Manufacture of filtering medium in which bacteria is cultured
Inventor: MURAKAMI HIDEO
IPC: C02F3/10
Filed: 1989-09-07
Abstract: PURPOSE:To manufacture a filtering media in which aerobic nitrifying bacteria is previously cultured by putting a filtering medium into a filter tank, supplying aqueous ammonia into the filtering tank and aerating the filtering medium in the filtering tank by means of a blower or incorporating air into a part in a circulating water piping by using an ejector. CONSTITUTION:The filtering medium to be stuck, lived and propagated with the aerobic nitrifying bacteria are put into the filtering tank 1. The circulating water injected from the upper part of the filtering tank 1 is uniformly poured into the filtering medium and the circulating water passing through the filtering medium is discharged from the lower part of the filtering tank 1 and passes a heat exchanger 5 where the water is subjected to the regulation of the water temp. This water is boosted by a circulating pump 6 and is again returned into the filtering tank 1. The aqueous ammonia is supplied as the culture-component to the bacterial and is injected from an aqueous ammonia tank 8 via an injection pump 9 and a regulating valve 10 into a circulating water reflux piping or directly into the filtering tank 1. Since the aerobic nitrifying bacteria consume a large quantity of oxygen, the bacteria is aerated in the filtering tank by the blower 11 or the air is incorporated into a part in the circulating water piping by using the ejector.
Patent JP-H08106619-A (JP)
Title: Servo method of mr head and hard disk system
Inventor: OGASAWARA KENJI
IPC: G11B21/10
Filed: 1994-09-28
Abstract: PURPOSE: To control the position of an MR head so as to place at a predetermined position by previously storing the corresponding relation between distance information corresponding to the deviation of the head from a reference position and the information reproduced from an information recording disk in response to the deviation. CONSTITUTION: An HDC 30 has a controller body 40 of a microcomputer. The body 40 has a memory 42 for storing a table for positioning a magnetic head to decide a microjog amount in the case of recording and reproducing processes of a disk. The body 40 is connected to a driver 28 having a D-A converter 28a, amplifier 28b, and voice coil motor VCM 28c. Accordingly, the digital signal output from the body 40 is converted into an analog signal by the D-A 28a, amplified by predetermined magnification by the amplifier 28b, and then supplied to the VCM 28c. The VCM 28c rotates at a predetermined angle responsive to the supplied signal, and turns access arms 22A to 22D at a predetermined angle.
Patent JP-H0550034-A (JP)
Title: Aluminum plated cr-containing steel plate having excellent corrosion resistance of end face and worked part
Inventor: ASAKAWA KENICHI
IPC: B32B27/20
Filed: 1991-08-22
Abstract: PURPOSE:To greatly improve the corrosion resistance of not only the surfaces but also end faces and curved and worked parts of aluminum-plated Cr-contg. steel products by applying a chemical conversion treated layer on the surface of these steel products, then applying a resin paint coating layer consisting of a mixture composed of strontium chromate and silicon dioxide and further a resin paint coating layer on this surface. CONSTITUTION:The chemical conversion treated layer of a chromic acid system or zinc phosphate system is applied by a spraying or dipping method on the surface of the aluminum- plated Cr-contg. steel plate. The chemical conversion treated layer improves the adhesion of the coating material in the under coating layer, The paint coating layer consisting of the resin compsn. mixed with the strontium chromate and silicon dioxide of rust preventive pigments is applied on this chemical conversion treated layer. The paint coating layer imparts the corrosion resistance to the end faces and curved and worked parts of the steel plate. The strontium chromate imparts the corrosion resistance at the end faces and worked parts of the steel plate over a long period of time and, further, decreases the bulging of the end faces of the coating film applied thereon. Further, the resin paint coating layer is applied thereon. This layer imparts the corrosion resistance and workability to the steel plate.
Patent JP-2001056668-A (JP)
Title: Driving circuit of organic electro-luminescent element
Inventor: MARUYAMA JUNICHI
IPC: H05B44/00
Filed: 1999-08-20
Abstract: PROBLEM TO BE SOLVED: To provide a driving circuit which is simple in its circuit constitution and has a refresh circuit to prolong the service life of an organic electro- luminenscent element. SOLUTION: The circuit has at least an anode 2, which is made up with transparent and electrically conductive material on a transparent substrate 1, organic layers 3, which are made up with one or more layers, and a cathode 4 which opposes with respect to the anode 2. The anode 2 is divided into plural segments 2A to 2D and the cathode 4 is made into commons 4A to 4D. A d.c. current power supply circuit 40 is connected between the segments 2A to 2D and the commons 4A to 4D for dynamic driving. Pixels P located at the cross points of the segments 2A to 2D and the commons 4A to 4D are made into self light emitting organic electro-luminescnet elements 10. Moreover, refresh circuits 20 are provided to put the segments 2A to 2D and the commons 4A to 4D into an electrically short-circuited condition.
Patent JP-H0878145-A (JP)
Title: Heater unit for vacuum film formation
Inventor: NARUO NOBORU
IPC: H05B3/20
Filed: 1994-09-02
Abstract: PURPOSE: To eliminate the oxidation and deformation by high temperature and uniform the working precision by metal-brazing a sheath heater on one surface of a metal laminated plate formed by alternately laminating a metal plate having good heat conductivity and a metal plate having relatively poor heat conductivity. CONSTITUTION: A metal plate A having good heat conductivity such as copper alloy and a metal plate B having relatively poor heat conductivity such as stainless steel are plurally laminated alternately to form a metal laminated plate. When a spiral sheath heater 2 is metal-brazed to one surface of the laminated plate, the heat of the heater 2 is dispersed while it passes the metal laminated plate, and the surface temperature of a heating surface 3 which is the opposed surface of the heater 2 is uniformed. A base plate holder 12 having a base plate 13 of a material to be worked mounted thereon is mounted on the heating surface 3, and heated in vacuum to perform a spattering of metal or-chemical evaporated film formation.  At that time, the holder 12 brings the opposed surface of the heater 2 into contact with the heating surface 3 to indirectly heat and hold a semiconductor, and the durability of the whole device is improved.
Patent JP-S61113123-A (JP)
Title: Magnetic recording medium
Inventor: NISHIKAWA YASURO
IPC: G11B5/72
Filed: 1984-11-08
Abstract: PURPOSE:To increase the adhesion of a plasma-polymerized layer to a magnetic metallic layer and to improve remarkably the scratch and rust resistances of a magnetic recording medium by specifying the ratio of O/C in the composition of the surface of the plasma-polymerized layer contacting with the magnetic metallic layer. CONSTITUTION:Plasma is applied to the magnetic metallic layer to form the plasma-polymerized layer. At this time, conditions such as the flow rate of a gaseous monomer, the internal pressure of an apparatus, the intensity of a discharge current and the rate of transfer of a web are experimentally determined according to the kind of the gaseous monomer so that the ratio of O/C in the composition of the surface of the formed plasma-polymerized layer contacting with the surface of the magnetic metallic layer is regulated to <=0.3, and plasma polymn. is carried out under the predetermined conditions. A protective layer having remarkably improved rust and scratch preventing properties as well as increased adhesion can be formed.
Patent JP-H1077624-A (JP)
Title: Underwater construction method for water intake and water discharge device and prefabricated water intake and water discharge device
Inventor: KONDO ISAMU
IPC: E02B7/20
Filed: 1996-09-04
Abstract: PROBLEM TO BE SOLVED: To provide an underwater construction method and a device capable of executing underwater an insite-dry type shaft work of a prior art method based on a prefabrication wet method executed mainly by divers. SOLUTION: This underwater construction method executes work by way of a first process which excavates the ground in a water bottom area 1 to a specified depth where a water intake/outlet 39 is scheduled to be set up, a second process which excavates the bottom of the ground and erects a prefabricated bottomed shaft main body 40, which internally crowns a separately manufactured water intake/outlet 39 on the bottom and a third process which backfills the excavated ground and plants the prefabricated bottomed shaft main body 40 and then executes work continuously by way of a six process which back-fills and injects into a connecting area between a shield skin plate 45 and a shied tunnel 12 which arrives at the underground of the water bottom area 1 directed at a connection blind opening 44 mounted on one side of the bottomed shaft main body 40,  thereby shield-joining and cutting- off water in the joining area and a seventh process which removes a blind plate 43 of the connecting blind opening 44 and opens and communicates the interior of the shield tunnel 12 with the interior of the prefabricated bottomed shaft main body one after another.
Patent JP-2001058205-A (JP)
Title: Method and device for cutting product of bar steel
Inventor: TANAKA NAOKI
IPC: B21B15/00
Filed: 1999-08-20
Abstract: PROBLEM TO BE SOLVED: To cut a crop in the tip part and also to execute stable cutting of a crop in the tail end part in the case where the length of the crop in the tail end part is over the operable length of crop processing equipment. SOLUTION: After cutting the crop in the tip part to the length of not longer than the operable length of the crop processing equipment, in the case where the crop BC in the tail end part is longer than the operable length, by cutting the crop BC in the tail end part once or more times from the side of the tail end side, the length of the cut crop BC1 and length of the rest BC2 of the crop in the tail end part is made into the length not longer than the operable length and, after that, the product S of the bar steel is cut to a desired length size from the side of the tip. Lastly, the boundary between the product S of the bar steel and the rest BC2 of the crop in the tail end part which is made into the length not longer than the operable length is cut.
Patent JP-H0568652-A (JP)
Title: Shower equipment
Inventor: HIDETOKU SUSUMU
IPC: A47K3/28
Filed: 1991-09-13
Abstract: PURPOSE:To execute washing-away at the time of emergency by providing a sprinkling port, a first tank, a second tank provided on a first tank, a shutter, a means for opening and closing the shutter, and a means for supplying water to a second tank. CONSTITUTION:In a tank 1, water is always stored in advance, and in the case a shower is necessary, a pedal is stepped on. By pushing downward a connecting rod 3, putting back connecting rods 4, 5 and 6 and opening a shutter 7, dropping down stagnant water into a tank 8, and sprinkling water from a sprinkling port 9, a shower can always be executed. Also, in the case it is necessary to replenish water, a valve 10 is opened, and feed water is executed from a water service pipe 11. In such a manner, even in the case a flow fluctuation is generated due to a city water use state in the periphery, or a water source is stopped due to a fault of a water supply equipment and a service interruption, washing-away at the time of emergency can be executed.