baber/WOPTO huggingface dataset:
Patent JP-H11243677-A (JP)
Title: Coaxial linear motor
Inventor: KANEDA ISAO
IPC: H02K41/03
Filed: 1998-02-23
Abstract: PROBLEM TO BE SOLVED: To improve the thrust sand efficiency per unit volume or weight of a motor, by setting a relative position relationship so that the strongest torque can be obtained in a direction that operates the core of a soft magnetic body that is used for an armature. SOLUTION: In a cylindrical mover magnet 11, four cylindrical Nb bonded magnets with an equal length being subjected to inner/outer single-pole magnetization in a sinusoidal manner in the longitudinal direction are overlapped. The magnet 11 is accommodated in a yoke magnetization/mover 12 with a cylindrical inner periphery. A spotless circular disk-shaped core consisting of a unidirectional silicon steel plate with a thickness of 0.35 is formed in a stator as a stator block 25. A ferromagnetic coaxial column body 4 is inserted into the inner diameter of a circular disk and the block 25 is fixed. A coil 3 is located in the interval of the block 25 and is insulated from the end face of the block and the ferromagnetic coaxial column body 4, and the ferromagnetic material is wound alternately with the demagnetizing material.  The outer periphery of the block 25 opposes the inner-periphery surface of the mover magnet via a gap, and the lead terminal of the coil 3 is withdrawn toward an adjacent coil side through a small hole on the inner/outer periphery of the circular disk core.
Patent JP-S55150605-A (JP)
Title: Variable gain amplifying circuit
Inventor: OOTAKE YASUTOMO
IPC: H03G1/00
Filed: 1979-05-11
Abstract: PURPOSE:To control the gain in a wide range while keeping the wide-band frequency characteristic, by adding and leading out output signals of noninversion and inversion amplfiers. CONSTITUTION:The minimum gain of transistor TR14 used in a noninversion amplifier becomes a value obtained by dividing the resistance value of resistance 13 by the parallel impedance of the off-impedance of FET10, which is a resistance change element, and resistance 9, and the gain of TR6 of an inversion amplifier becomes a value obtained by dividing the resistance value of resistance 13 by the parallel impedance of resistance 7 and capacity 8. Normally, since the off-resistance of FET10 is 10<6>OMEGA or more and can be ignored in comparison with the resistance value of resistance 9, values of resistances 7 and 9 are made equal to each other, and the value of capacity 8 is made equal to the capacity value between the drain and the source of FET10. Therefore, even if the voltage of input terminal 20 is raised and the resistance value of FET10 is lowered, the capacity between the drain and the source of FET10 is not changed, and a signal output amplitude approximately proportional reversely to resistance change of FET10 is obtained at output terminal 20. Consequently, the gain can be controlled in a wide range while keeping the wide-band frequency characteristic.
Patent JP-2000255155-A (JP)
Title: Image forming material
Inventor: OZAKI YASUSHI
IPC: B42D15/10
Filed: 1999-03-05
Abstract: PROBLEM TO BE SOLVED: To discriminate information hidden in an image forming material, through the fluorescent X-ray spectrum of a specified element. SOLUTION: Respective elements from sodium to uranium are provided with a corresponding predetermined information while respective private informations a1, a2, a3 are printed on a substrate or a sheet of paper 1 employing ink containing at least one kind or more of specified element among the elements and a solid pattern B is printed so as to produce a printed matter for hiding the informations a1, a2, a3; then, the printed matter is irradiated with choked X-ray to effect mapping through the fluorescent X-ray spectrum of the specified elements, which are developed by the excitation, whereby the hidden figures are recognized as images and, further, the information, provided on the element, is read thereby discriminating the private informations.
Patent JP-S58177079-A (JP)
Title: Synchronizing separation circuit
Inventor: KAWAI KIYOYUKI
IPC: H04N5/08
Filed: 1982-04-09
Abstract: PURPOSE:To separate a synchronizing signal stably against ghost, by clamping a peak value of a horizontal period signal of an inputted cmposite signal to a prescribed level and separating the synchronizing signal. CONSTITUTION:A comparator 14 compares a composite video signal level with a prescribed reference level. The peak value of the horizontal synchronizing signal section of the composite video signal is clamped 13 by using a clamp pulse obtained from the comprison. A horizontal synchronizing signal extraction circuit 18 detects a clamp pulse from the circuit 13 and extracts the horizontal synchronizing signal. Further, an LPF 23 extracts a vertical synchronizing signal frequency component from an output of the circuit 13 and slices the output of the LPF 23 at the average level to extract 24 the vertical synchronizing signal.
Patent JP-S61217255-A (JP)
Title: Ink jet pump
Inventor: INAGAKI KAZUYUKI
IPC: B41J2/175
Filed: 1985-03-22
Abstract: PURPOSE:To eliminate bubbles in ink and consequently unnecessitate printing treatment by providing an exhaust control means to be driven based on a detection signal transmitted by a bubble detection means to detect whether there are bubbles in a pump chamber. CONSTITUTION:An output signal from a pressure sensor PS and an air sensor AS is input to a control 21, and a control signal is output from the controller 21 as an exhaust control means to a stepping motor and a solenoid valve 14. If the existence of bubbles in a pump chamber 1 is determined by the air sensor AS, a solenoid valve V to an exhaust flow path 13 is opened to make the pump chamber 1 continuous with the exhaust flow path 13. A plunger 2 is plunged into the pump chamber 1 by driving the stepping motor. Bubbles in the pump chamber 1 are pushed out with ink into the exhaust flow path 13 continuous to the pump chamber 1, and conducted to a waste liquid section outside the pump chamber 1 through a pipe 22, thus eliminating bubbles in ink.
Patent JP-H02237817-A (JP)
Title: Airconditioner controller for car with power steering
Inventor: ONUMA KATSUYOSHI
IPC: B60H1/32
Filed: 1989-03-10
Abstract: PURPOSE:To prevent shock due to turning-on and -off of a compressor and reduce the engine load by feeding the oil pressure sensed signal of power steering device to the control part of an air-conditioner through a delay circuit for turning off the air-conditioner, and cancelling the signal when the power steering is operated for a short time. CONSTITUTION:When a power steering oil pressure sensed switch 21 is shut with driving of an oil pressure pump, the On signal is inverted by an inverter gate 22 and fed to a delay circuit 23. The delay circuit 23 inputs to a compressor control part 20 after a certain specified time, i.e., with a delay of 0.5-0.7sec. If an L signal is continued emitted from this compressor control part 20, a switching transistor Tr is turned off, and the contact of a relay 15 is opened to stop the compressor. The transistor Tr is continued in On with turning-off of the switch output within the delay time, and the compressor will not stop. This reduces shock and decreases engine load.
Patent JP-H06274125-A (JP)
Title: Driving method of flat panel display
Inventor: KISHI TOMOKATSU
IPC: G09G3/296
Filed: 1993-03-19
Abstract: PURPOSE:To minimize the power consumption by setting the timing of switching to a constant voltage to optimum timing irrelevantly to variance in circuit constant as to the driving method of the flat panel display device which collects electric charges generated at a capacitive load between a common electrode and a scanning electrode when a driving voltage (pulse voltage) is generated. CONSTITUTION:(a) The common electrode or scanning electrodes Y1-Yn are charged by a constant power source 20 and (b) the power source is switched to a constant voltage source after electric charges of the common or scanning electrodes are collected in a capacitor CK through a coil LK; and (c) the timing of a period wherein the collected electric charges are utilized and the timing of a period wherein the power source is switched to the constant voltage source is fixed. After the current of the constant voltage source is confirmed by repeating (a)-(c) for a certain period, (e) the switching timing is shifted by an extremely short time and variation between a current after the execution of (a)-(c) and a last current is confirmed; and (f) the switching timing is set based on the large-small relation between (i)th current variation and (i+1)th current variation of the constant voltage power source of (a)-(c).
Patent JP-S62217607-A (JP)
Title: Manufacture of nd-fe-b based magnet
Inventor: YANUMA TATSUO
IPC: H01F1/057
Filed: 1986-03-19
Abstract: PURPOSE:To obtain a sintered magnet having a readily magnetizing axis in the direction of one diameter, which is orthogonal to the direction of an axis, by filling the hole part of a mold having the hole part, which is defined with the inner diameter surface of an ellipse, with the powder of Nd-Fe-B based magnet material, applying a magnetic field in the direction of a major axis, and performing compression and molding. CONSTITUTION:The shape of a molding hole part 11 of a bottom force 1 is made to be an elliptical shape, whose major axis is d1 and minor axis is d2. The hole part 11 is filled with the raw material powder of an Nd-Fe-B based magnet. An orientation magnetic field is applied in the direction of dotted-line arrows phi. Pressure is applied to a top force having the same outer configuration from the surface side of the paper and with the bottom force having the same configuration from the back side of the paper. Thus the molding is performed. Then, the Nd-Fe-B based sintered magnet having two poles, which is provided with an easy magnetizing axis in the direction of one diameter line that is orthogonal to the direction of an axis is obtained.
Patent JP-S60205474-A (JP)
Title: Heat fixing device
Inventor: IWASHIMA KEIJI
IPC: G03G15/20
Filed: 1984-03-29
Abstract: PURPOSE:To enhance reliability and to extend life by causing a conductive material contg. a conductive inorg. carbonaceous compd. low in thermal expansion coefft. and superior in abrasion resistance to intervene between an electrically conductive part and a conductive sliding member. CONSTITUTION:A power supply means is composed of the conductive part 7 on the side of a heating roller 1, and a conductive bearing bush 42 for supporting the shaft 6 of the part 7. Though the heating roller 1 is rotated by an external driving force, heating current can be securely supplied to a heater 12 internally installed in the roller 1 through a lead wire 9. Since a material for forming the bush 42 is made of a soft copper alloy, the surface of the part 7 sliding on the bush 42 is slightly abraded in the early stage by the sliding friction with the bush 42, but after that time, silicon carbide contained in said alloy is disclosed on the sliding surface of the bearing bush 42, and a silicon carbide film comes to be formed on the surface of the conductive part 7 with this disclosed silicon carbide.
Patent JP-S58176839-A (JP)
Inventor: SAKAGUCHI KATSUMI
IPC: H01H35/18
Filed: 1982-04-12
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-S57174960-A (JP)
Title: Group polling method
Inventor: NIINAKA EIJI
IPC: H04L12/403
Filed: 1981-04-22
Abstract: PURPOSE:To smoothing a polling sequency by generating a flag pattern during the processing to the polling sequence. CONSTITUTION:In a loop shaped group polling method, the secondary station discriminates a polling sequency transmitted from the primary station, and when the transmission request of the station itself takes place, the processing rewriting the gore head pattern GA at the last of polling sequence and adding telegraphic messages is made. In constituting the secondary station with a device slower in the processing speed such as a microcomputer, if the pattern GA of the polling sequence is received, flag patterns F are consecutively generated while the processing is finished from the point of time and a new pattern GA is generated.
Patent JP-S54150699-A (JP)
Title: Manufacture of roll-like magnet
Inventor: MIYOSHI NORIYUKI
IPC: H01F7/02
Filed: 1978-05-18
Abstract: PURPOSE:To provide a compact magnet  of high flux density, by mixing ferrite particles with a medium, rolling the mixture to a sheet wherein the magnetically anisotropic ferrite particles are magnetically oriented in the direction of the rolling, shaping the sheet as a columnar roll and magnetizing the central parts of the sides of the roll. CONSTITUTION:The scale-shaped ferrite particles 1 which are made magnetically anisotropic are mixed with the binding medium 2 such as rubber or synthetic resin. The mixture is rolled between rotating rolls 3 to make the anisotropic sheet 4 wherein the ferrite particles 1 are oriented in the direction of the rolling and which shows a ferromagnetic property in the thickness direction A rather than in the length direction B. The sheet 4 is wound under pressure on a shaft 5 of square cross section so that the roll 6 of square cross section is manufactured. This roll is magnetized by magnetizing yokes 8. The magnetic flux density on the surface of the roll magnet can be raised to 1200 gauss. The size and weight of the roll magnet can be reduced.
Patent JP-H02239916-A (JP)
Title: Temperature control method for heating cylinder of molding machine
Inventor: AKAKUMA NOBUYUKI
IPC: B29B7/82
Filed: 1989-03-14
Abstract: PURPOSE:To prevent lowering of temperature of a heating cylinder and shorten the starting time of a molding machine by estimating the amount of heat taken from a heating cylinder at the time of mold starting of the molding machine and supplying the amount of heat consisting of said estimated heat and the operation heat amount to the heating cylinder. CONSTITUTION:An input generator 16 is incorporated in parallel with a PID controller 13, and responds to a synchronization and output delay signal from the PID controller 13 and outputs an additional control signal Ua responding to the amount of heat gamma to be taken out of a heating cylinder 10. Said additional control signal Ua is added to a control signal Uo from the PID controller 13 by means of an adding machine 17, and said added control signal is added to a heater 14. The temperature lowering of the heating cylinder 10 at the time of starting lowering is controlled by said arrangement to shorten the starting time of the molding machine.
Patent JP-S53145422-A (JP)
Title: Display unit
Inventor: KIUCHI HIROYOSHI
IPC: G06F3/048
Filed: 1977-05-24
Abstract: PURPOSE: To ensure an easy decision of the kind of the information for the operator, by providing a division band between two different kinds of information to secure a distinct partition between the display regions for each information. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-S59185908-A (JP)
Title: Desulfurization and denitrification device of flue tube and smoke tube boiler
Inventor: HIRANO HIDEO
IPC: F23C99/00
Filed: 1983-04-05
Abstract: PURPOSE:To realize cheap installation cost and at the same time facilitate running operation and maintenance and yet larger installation space can be spared by a structure wherein a burner for burning primary fuel is provided on the front wall of a flue tube combustion chamber, on the back wall of which a desulfurizing agent pouring nozzle is piercingly provided and yet on the side wall of which a secondary fuel pouring nozzle is also piercingly provided. CONSTITUTION:Secondary fuel is blown upon the central portion (high temperature portion) of high temperature combustion gas 4 in a fuel tube 2 by being supplied through a secondary fuel supplying route 10 to a secondary fuel pouring nozzle 8. Next, desulfurizing agent is blown against the high temperature combustion gas 4 in the flue tube 2 by being supplied through a desulfurizing agent supplying route 18 together with combustion air supplied through an air supplying route 19 to a defulsufurizing agent pouring nozzle 7. As a result, the high temperature combustion gas 4 mixes thoroughly with the desulfurizing agent, resulting in absorbing SOx in the gas by neutralization. In addition, simultaneously unburnt gas is completely burnt with the blown air.
Patent JP-H03260614-A (JP)
Title: Optical scanner
Inventor: HIDA MANABU
IPC: G02B6/122
Filed: 1990-03-12
Abstract: PURPOSE:To obtain this inexpensive optical scanner having a simple constitution without requiring an expensive optical system such as an lens by guiding light irradiating from a light source to a photosensitive drum by using a specific plane optical waveguide. CONSTITUTION:Since the plane optical waveguide 15 for guiding a laser beam irradiating from a laser diode 11 to the photosensitive drum 17 has step type, approximately quadratic function type and uniform refractive index distribution respectively in the thickness direction, one direction of the plane direction and other direction, a so-called convergent lens is formed. Since the length of the waveguide 15 having the refractive index distribution in the fixed direction is 1/4 period length or length obtained by adding natural number times the 1/4 period length to the 1/4 period length, the waveguide 15 has f-theta characteristic. Thereby, light deflected by a rotational inclined mirror 14 and moved at a constant angular velocity is made incident upon the incident terminal 15A of the waveguide 15, reflected and refracted in the waveguide 15 and linearly outputted from a projection terminal 15B at the constant speed.
Patent JP-H07269981-A (JP)
Title: Absorption type heat pump
Inventor: SUGIYAMA TAKAHIDE
IPC: F25B37/00
Filed: 1994-03-30
Abstract: PURPOSE:To increase a heat recoverying rate and improve a coefficient of performance by a method wherein an absorption heat recoverying heat exchanging part and an absorbing heat radiation part are arranged within a container of an absorbing device, weak solution is dispersed from the upper part of the container and refrigerant vapor is fed from the lower part of the container. CONSTITUTION:An absorbing heat recoverying heat exchanging part 52 and an absorbing heat radiation part 53 are arranged within a longitudinal container 50 of an absorbing device 36 in such a way that they are directed from the upper part to the lower part, wherein weak solution 58 and refrigerant vapor 44 are contacted while being oppositely flowed so as to exchange their substances from each other. With such an arrangement as above, vapor 44 and solution 58 become composition near a balanced state at each height of the absorbing container 50 and its composition is continuously varied in response to its height. Accordingly, since a balanced state between the vapor 44 and the solution 58 is continuously held while the refrigerant vapor 44 ascends, there occurs a less amount of variation in temperature of the solution as the state is transferred to a new balanced state as found in the case that the weak solution is contacted with the refrigerant vapor not balanced at the upper part of the absorbing device. As a result, it is possible to increase an amount of heat recovery and to improve a coefficient of performance.
Patent JP-H10252842-A (JP)
Title: Driving device
Inventor: MATSUURA NAOYA
IPC: H01L21/68
Filed: 1997-03-14
Abstract: PROBLEM TO BE SOLVED: To reduce a particle, vibration, an abnormal sound or the like without falling off a winding transmission node by arranging a guide part in one end part of a pulley main body, and setting a width of the pulley main body to a width in which the winding transmission node does not fall off from the other end part. SOLUTION: A guide part (a falling-off preventive part) 32 is arranged on the left side end part side of a pulley main body 31. Therefore, a flat belt 40 can be prevented from falling off from this left side end part. Since the guide part 32 is arranged only in one end part of the pulley main body 31, a frequency in which the flat belt 40 contacts with the guide part 32 is reduced, and generation of a particle, vibration, abnormal sound or the like can be reduced. A width W1 of the pulley main body 31 is set to about 1.5 times a width W2 of the flat belt 40. Therefore, when the flat belt 40 is positioned on the left end part side of the pulley main body 31 at rotation starting time, the flat belt 40 does not fall off from the right end part side of the pulley main body.  Since the guide part 32 is left, an enlargement of a pulley 30 by the extension of the width W1 of the pulley main body 31 can be restrained to the possible minimum level.
Patent JP-S63230252-A (JP)
Title: Method for deciding hardened condition in mold
Inventor: MURAYAMA HAJIME
IPC: B22C9/00
Filed: 1987-03-16
Abstract: PURPOSE:To easily and surely judge hardened condition in a mold by measuring electric resistance value in inner part of a mold before taking out a pattern at the time of making the mold by using molding sand containing adhesive agent using an acid as hardening catalyst. CONSTITUTION:The molding sand 4 containing furan series regin, etc., using the acid as the hardening catalyst is packed into the mold. One pair of electrodes 5, 5 are inserted into the molding sand 4 and connected with a resistance measuring instrument through lead wires 6, 6. The electric resistance value between the electrodes 5, 5 is measured and recorded with the lapse of time just since packing of the molding sand 4. Based on the calibration curve beforehand prepared, the hardening state of the mold is decided. By this method, after the mold is sufficiently hardened, the pattern can be taken out.
Patent JP-S56157917-A (JP)
Title: Circular saw
Inventor: MATSUMOTO KAGENORI
IPC: B23D61/02
Filed: 1980-05-07
Abstract: PURPOSE:To eliminate a tightening phenomenon in a cut material and decrease cutting resistance, by providing leading and finishing teeth in a circular saw further providing return teeth. CONSTITUTION:In the periphery of a circular saw main body 10, a plurality of cutting teeth are successively provided in the order of leading tooth 12, finishing tooth 13 and return tooth 14. Height of the return tooth 14 is formed lower than those of the other teeth 12, 13, while its width is formed wider toward the bottom of the tooth. At the front side of a cutting step, normally cutting work is performed by the leading tooth 12 and finishing tooth 13, while at the rear side of the cutting step, there is performed recutting operation by the tooth 14 for a portion of material pushed out according to a tightening phenomenon of the material. The pushed out portion is cut and removed concurrently with the progress of cutting operation, thus the tightening phenomenon can be avoided.
Patent JP-S59186117-A (JP)
Title: Rotary head device
Inventor: KURODA MASAYUKI
IPC: G11B5/53
Filed: 1983-04-07
Abstract: PURPOSE:To attain compactness and ease of assembling and adjustment by inserting a rotary shaft to a drum member having a U-shaped cross section, fixing a piezoelectric element having a head chip to its one end to the inside of the drum member and constituting a driving motor at its one end. CONSTITUTION:The fixed drum member 1 is made of a high polymer member formed incorporatedly by a metallic die and a rotary shaft 7 is provided nearly at the center of a rotary head chamber 6 while being penetrated to an upper drum part 2 and a lower drum part 3. The driving motor 8 is constituted to the lower part of the lower drum part 3. A slip ring 11 is fixed to a middle diameter part 7b of the rotary shaft 7 and piezoelectric elements 14, 15 having head chips 12, 13 are fixed to the tip. A tape 28 is wound onto tip faces 2a, 3a of the drum part by a winding angle theta, e.g., 30 deg.-90 deg., and no lead guide is provided but the tracking is attained by the piezoelectric elements 14, 15 instead. The device is made compact and the assembling and adjustment are attained easily in this way.