baber/WOPTO huggingface dataset:
Patent JP-H01109506-A (JP)
Title: Thin film magnetic head
Inventor: MITSUOKA KATSUYA
IPC: G11B5/31
Filed: 1987-10-23
Abstract: PURPOSE:To stabilize an electromagnetic converting characteristic by forming a magnetic film with an Ni-Fe-Co ternary system alloy in which a magnetic distortion constant and an anisotropic magnetic field area special value or below. CONSTITUTION:On an Al2O3 film of a substrate 1, a core-shaped lower part magnetic film 2 is formed and one edge 21 of a magnetic film 2 is connected to one edge 31 of an upper part magnetic film 3. Other edge 32 of the magnetic film 3 is formed so as to face through a magnetic gap G to other edge 22 of the magnetic film 2. Magnetic films 2 and 3 constitute a magnetic circuit having the gap G. The magnetic films 2 and 3 have a magnetic characteristic in which a magnetic distortion constant is an absolute value, is the value smaller than 1X10<-6> and an anisotropic magnetic field is 100e or below. The magnetic films 2 and 3 are formed by a sputtering method and an the alloy formed by the composition of Ni:70-85wt.%, Fe:15-20wt.% and Co:0-10wt.%. When the magnetic films 2 and 3 are formed with the alloy having the above-mentioned composition and the constant, the electromagnetic converting characteristic of the thin film magnetic head is stabilized.
Patent JP-H01109303-A (JP)
Title: Optical fiber for display
Inventor: EGUCHI KUNIYUKI
IPC: G02B6/00
Filed: 1987-10-23
Abstract: PURPOSE:To easily display only the necessary points by forming at least a part of a clad layer of a transparent material contg. light diffusible air bubbles and/or particles. CONSTITUTION:At least a part of the clad layer 2 of an optical fiber is formed of the transparent material contg. the light diffusible air bubbles 3 and/or particles, more preferably the transparent material having the refractive index equal to or higher than the refractive index of a core 1. For example, a fluorine- contained copolymer which is added with a foaming agent and a fluorine- contained copolymer which is not added with the foaming agent are used. A hollow tube having the spiral air bubbles 3 is formed therefrom by subjecting these copolymers to extrusion while rotating the same; thereafter, the core material is injected into the tube and is cured by heating, by which the optical fiber is obtd. The incident light on the core 1 is thereby effectively radiated through the air bubbles 3.
Patent JP-H03127306-A (JP)
Title: Composite magnetic head and production thereof
Inventor: SAWAI TERUMASA
IPC: G11B5/265
Filed: 1989-10-13
Abstract: PURPOSE:To intensify the mechanical strength of gaps and adhesive glass and to enhance gap accuracy so that the damaging of a tape at the time of sliding of the tape is averted and head quality and productivity are improved by using noncrystalline glass as the sealing glass at track ends and using crystallized glass as the glass to be used for adhering of the nonmagnetic material between heads. CONSTITUTION:The head 1 and the head 2 are made into the composite head 12 by using amorphous alloy cores 3 for a part of the cores thereof, sealing the respective track ends 4 with the noncrystalline glass 5 to constitute the individual heads, then welding the heads with the crystallized glass 7' via the nonmagnetic material plate 10. Not only the mechanical strength of the adhered part is enhanced in this way but also the use of the glass having a high m. p. for joining of the gaps is enabled. The damaging of the front surface of the head by the chipping and collapsing from the adhered part is obviated and the gap accuracy is enhanced. The electromagnetic characteristics and quality of the head are enhanced and the contact with recording media is improved.
Patent JP-S61144806-A (JP)
Title: No-voltage tap changer
Inventor: OGAWA MASASHI
IPC: H01F29/02
Filed: 1984-12-19
Abstract: PURPOSE:To obtain a simplified and small-sized no-voltage tap changer at low cost by a method wherein a plurality of fixed contact points connected to the tap of a transformer tap winding are directly attached to a mounting plate, a guide plate having a movable contact point which bridges between current-collecting contact points is provided opposing to said mounting plate, and the guide plate is slidingly moved. CONSTITUTION:A plurality of fixed contact points 12, which are covered by shielding plates 17 for the purpose of improving the withstand voltage on the front and back sides, are provided penetrating the mounting plate 12 on a fixed contact point mounting plate 11 consisting of an insulating member, and said fixed contact points 12 are connected to the taps of a transformer tap winding respectively. Then, a guide plate 13 made of insulating member, having a groove 13a with which the fixed contact points 12, is provided on the side of the mounting plate 11, and a current collecting contact point 14 is positioned facing to the groove 13b which is opposing to the groove 13a. Also, movable contact points 20 and 20a fixed by the pin 18 having a wiping spring 19 are attached to the front and back sides of the guide plate 13, and one of the fixed contact points 12 is brought to come in contact with the current collecting point 14 through the intermediaries of movable contact points 20 and 20a by slidingly moving the guide plate 13.
Patent JP-S60168754-A (JP)
Inventor: BISUBARUDESU ABORINZU
IPC: C08L71/02
Filed: 1984-12-19
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-H08128856-A (JP)
Title: Rotary encoder
Inventor: YAMAGUCHI TOMOHIKO
IPC: H03M1/24
Filed: 1994-10-31
Abstract: PURPOSE: To provide a rotary encoder wherein the resolution can be made infinity, by using a rotary plate on which a rotation angle information film bearing concentration values of sin wave and cos wave is formed in the circumference direction of concentric circle. CONSTITUTION: On circumferences of concentric circles of a glass substrate 2, a sin wave rotation angle information film 3 having concentration values of sin wave and a cos wave rotation angle information film 5 having concentration values of cos wave are formed by vapor depositing. The rotary plate 1 rotates while it is connected to shaft of which the rotation is to be measured. Relating to a concentration value detecting means 8, the light from a light emitting element 10 is detected by a photodetecting element 11 through the information films 3 and 5 and reference tracks 4 and 6, and the quantity of transmitted light (concentration value) is detected and converted into voltage signals. Signals are sampled with a specified sampling clock, quantized and then encoded.  By this, absolute and incremental signals representing high precision rotational displacement and moving amount with no analog distortion are obtained in digital.
Patent JP-H09111487-A (JP)
Title: Method for preventing increase of chlorate in salt water
Inventor: NOAKI YASUHIDE
IPC: C25B15/08
Filed: 1995-10-16
Abstract: PROBLEM TO BE SOLVED: To prevent an increase of a chlorate concn. in a salt water for electrolyzing conveniently and at low cost by subjecting the water to dechlorination to make a replenishing water after decomposing the chlorate by adding hydrochloric acid to a dilute salt water from an electrolytic cell. SOLUTION: The salt being a starting material is dissolved, purified and supplied to the electrolytic cell and electrolyzed by ion-exchange membrane method to obtain chlorine and caustic soda. The hydrochloric acid is added to the dilute salt water discharged from this electrolytic cell and containing sodium chlorate so as to obtain 0.01-0.3N. Then the chlorate is decomposed by retaining the salt water at 70-95 deg.C for 2-20min. After that, the salt water is passed through a dechlorination tower to dechlorinate and used for dissolving the salt being the starting material as the replenishing water. In this way, the increase of the chlorate in the salt water for electrolyzing is prevented and a quality deterioration of a caustic soda product is prevented.
Patent JP-H11113247-A (JP)
Title: Power supply circuit
Inventor: OKAWA KATSUMI
IPC: H02P27/06
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To reduce spike current, by constituting a power supply circuit so that the power supply circuit is placed in the power line between a smoothing capacitor and an inverter and is provided with a spike current reducing circuit comprising parallel-connected diode and coil. SOLUTION: A power supply circuit is provided with a spike current reducing circuit 12 placed between an inverter 11 and a smoothing capacitor C11. When a direct-current voltage DC is inputted, the direct-current voltage DC is smoothed through the smoothing capacitor C11 and then outputted to the inverter 11 through the spike current reducing circuit 12. Transistors Q11-Q16 comprising the inverter 11 are fed with a specified control signal, respectively, and the phase switching, the adjustment of the rotational speed and direction of a motor M are controlled through the control signal, so that the motor M is rotated as specified. Though there is parasitic capacitance in the motor M, the spike component is suppressed because the spike current reducing circuit 12 is provided. As a result, spike currents can be reduced.
Patent JP-H0694805-A (JP)
Title: Semiconductor integrated circuit device
Inventor: SAEKI MOTOKUNI
IPC: G06F11/22
Filed: 1992-09-08
Abstract: PURPOSE:To test a semiconductor integrated circuit device equipped with a serial bus control circuit in such a condition that an analog circuit part and a digital circuit part are separated perfectly. CONSTITUTION:A D/A converter-analong circuit connecting switch 8 interlocking with the mode control input and selector input is provided between D/A converters 2a-2f and analog circuits 3a-3f, and changing-over from the normal mode into test mode, or vice versa, is made by mode changeover switches 6a, 6b and selector 7. When the analog part is to be tested, the specified analog circuit is separated from the D/A converters and connected directly with the external control voltage input terminal. When the digital part is to be tested, the output of desired D/A converter solely is selected by the selector 7 and taken out to test pads 4a, 4b.
Patent JP-S63140071-A (JP)
Inventor: SUBURAMANIAMU RANGASUWAMII
IPC: C23C4/06
Filed: 1987-10-23
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-H0694405-A (JP)
Title: Displacement measuring device
Inventor: SHIMOMURA TOSHITAKA
IPC: G01B7/02
Filed: 1992-09-09
Abstract: PURPOSE:To perform error display which can deal with a composite error without any cost increase by providing a phase detector means for obtaining phase data, a composition means for composing the phase data and a display means for performing error display only in the least significant digit when an error is generated. CONSTITUTION:The phase of an input signal is outputted in a digital value with a drive signal Sd of 0 deg. in phase outputted from a transmission waveform generation circuit 101 used as a reference signal in a phase detection circuit 1031 to 1033. The digital value outputted from the circuit 1031 to 1033 is weighed and composed in a composition circuit 104. The output of the circuit 104, for instance, the pitch of an electrode arrangement is converted into the value of actual size in an arithmetic circuit 106. The value of the actual size obtained from the circuit 106 is displayed in an LCD display device 108 through a decoder 107. A selector 109 is controlled with the detected output of a synthetic error detector circuit 105 to selectively transfer the numeral data or the error signal (E) of the least significant digit (LSD) of the decoder 107 into the least significant digit of an LCD display device 108.
Patent JP-H0695604-A (JP)
Title: Neon tube device for demonstration
Inventor: ISHIKAWA KAZUYA
IPC: G09F13/26
Filed: 1992-09-10
Abstract: PURPOSE:To simplify lighting colors covering plural kinds of plural stages of respective neon tubes line lighted and displayed and variable colors expression accompanied with those on/off. CONSTITUTION:This device is constituted so that a neon tube lighting circuit 21 containing respective neon tubes line 221, 222,..., 22n and turning on and lighting respective neon tubes line 221, 222,..., 22n corresponding to respective stages simultaneously, or successively, or with optional sequences, and at optional on/off speeds, and selectively, a lighting control circuit controlling lighting and on/off of plural stages of respective neon tubes line 221, 222,..., 22n and a lighting/on/off switching circuit selecting and switching optionally a programmed respective lighting and on/off modes are mounted so that respective neon tubes line 221, 222,..., 22n corresponding to respective stages are arranged on the surface in a case main body 12.
Patent JP-H08128755-A (JP)
Title: Air conditioner using absorption refrigerating machine
Inventor: TANAKA TAKASHI
IPC: F25B15/00
Filed: 1994-10-31
Abstract: PURPOSE: To prevent flushing, etc., by detecting the decrease of cooling capacity due to the aging deterioration of the cooling fin of a condenser based on the change of the number of revolutions of an air-cooled fan, and reducing fuel gas supply amount to a burner to drop the output temperature of the condenser. CONSTITUTION: Refrigerant is fed from a condenser 16 to an evaporator 10, evaporated at the evaporator 10 to directly cool the air to be air conditioned, and the cooled air is supplied into a room via a duct 3 to cool the room. In this case, the condenser 16 is cooled by an air-cooled fan 17. A controller 20 controls the gas supply amount for burning a burner 13 for heating a regenerator 12 based on the difference between the indoor temperature and a set temperature. The rotation of the fan 17 is so controlled as to hold the output temperature of the condenser 16 at a predetermined suitable temperature in a range of predetermined number of revolutions. Further, in order to fall the gas supply amount within a predetermined range, the allowable range of the supply amount is stored.  When the output temperature of the condenser 16 is predetermined condition, the supply amount is reduced to the allowable limit.
Patent JP-H09114369-A (JP)
Title: Navigation system, navigation method and automobile
Inventor: ISHII KAZUO
IPC: G10L15/00
Filed: 1995-10-16
Abstract: PROBLEM TO BE SOLVED: To simply perform highly skilled operations of various devices without disturbing the driving of an automobile by providing the control means which displays the area name being displayed by the map at a prescribed location while the area is designated by voice recognition and the map is displayed by a display means. SOLUTION: An inputted voice is recognized by a voice recognition device 10 and a navigation system 20 and a display device 40 displays the road map of the recognized area name. When a map display is initiated, information such as the name of the area is displayed at the corner of the map. When a prescribed time is passed from the start of the road map display, the area name previously displayed is erased by the control of a computing circuit 23. By conducting the display process mentioned above, the display position is freely set anywhere in the country by a voice input and the desired position of a road map is simply displayed.
Patent JP-2001056773-A (JP)
Title: Information processor
Inventor: NAGAI TAKAAKI
IPC: G09F27/00
Filed: 1999-08-17
Abstract: PROBLEM TO BE SOLVED: To enable even a user, who has no special knowledge, to intuitively comprehend the internal state of an information processor, by monitoring the operating ratio of a CPU or memory and operating a state expressing means corresponding to this detected result. SOLUTION: When an information processing task applied to an information processor 50 is to be calculated by a CPU 3, a state detecting means 14 always monitors time for the information processing task to occupy the CPU 3 and the violation of an address to be used for a storage means 7 by the information processing task. Corresponding to whether these monitored results exceed a certain threshold value or not, the state detecting means 14 outputs a signal to a state expression control means 15. On the basis of the signal from the state detecting means 14, the state expression control means 15 digitally controls the operation of a state expressing means 23 through an I/O interface means 6. A digital control signal from the state expression control means 15 is changed from digital signal to analog power value.  On the basis of this power value, the operation of the state expressing means 23 is controlled.
Patent JP-H0694988-A (JP)
Title: Still image recorder
Inventor: SASAKURA TAKAO
IPC: G03B13/36
Filed: 1992-09-11
Abstract: PURPOSE:To enable automatic focusing up to a practical distance with reflected light by auxiliary light even in the case that a phase difference cannot be detected. CONSTITUTION:Light incident on a lens 1 is transmitted through a stop 2 and a 45-degree mirror 3, and then, it is reflected on a submirror 4 positioned behind the mirror 3. And, the light is transmitted through a lens 10 in an AF optical system so as to be made incident on an AF sensor 11. When the brightness of an object is low and the contrast of the object is low, the auxiliary light is emitted in the case that the auxiliary light and a stroboscope are incorporated with the camera, meanwhile, in the case that the stroboscope is not incorporated with the camera, a warning that the stroboscope must be loaded is given by a sounding part 13, and then, the auxiliary light incorporated with the stroboscope is emitted. When an image spacing is not obtained even in the case of emitting the auxiliary light, first of all, it is judged that a defocusing quantity is large, then, a focal position is searched within an extent capable of moving a lens, and when the focal position is not detected, it is judged that the object is in the distance, so that the storobe light is emitted instead of the auxiliary light.
Patent JP-H05105051-A (JP)
Title: Modulator for antilock brake
Inventor: TSUKADA YOSHIAKI
IPC: B60T15/36
Filed: 1991-10-16
Abstract: PURPOSE:To provide a modulator for an antilock brake with a reduction mechanism which is able to promote an improvement in a response at the time of changeover to an antilock control operation and the miniaturization of a driving source at the same time. CONSTITUTION:An antilock braking modulator has a reduction mechanism 44 which is provided with a small diametral drive gear 60 engaging with a driving shaft 22a of an electric motor 22, a large diametral driven gear 62 engaging with this driving gear 60, a gear holding member 66 holding this driven gear 62 on a body part 21 via ball bearings 64a, 64b, a plate spring 68 for making the driven gear 62 slidingly contact with the gear holding member 66, an eccentric pin 70 being installed eccentrically as far as the specified value to the rotational center of the gear holding member 66, a crank eccentric pin 41 being installed on an axis of an eccentric part 40a of a crank member 40 and a link member 72 connecting these eccentric pins 70, 41 rotatably.
Patent JP-H04146100-A (JP)
Title: Punching method for very thin plate
Inventor: MATSUBAYASHI YUSUKE
IPC: B26F1/00
Filed: 1990-10-05
Abstract: PURPOSE:To facilitate productivity in press-working by mounting a thin plate being so thick as to make a clearance between a punch and a metallic mold less than 5% on a workpiece after it is mounted on the metallic mold having the clearance less than several mum, land simultaneously punching both the workpiece and the thin plate. CONSTITUTION:A metallic mold 2 which is easy in production and mold alignment and has a clearance less than several mum or about 2mum on its one side is prepared, and a workpiece material 3 is mounted on the metallic mold 2 in punch-working. A thin plate 4 which is so thick as to be at least less than 5% in a clearance in punching the thin plate is mounted on a workpiece material 3 to simultaneously punch both the workpiece material 3 and the thin plate 4.
Patent JP-H07104246-A (JP)
Title: Liquid crystal display device
Inventor: SATO AKIHIRO
IPC: G02F1/1343
Filed: 1993-09-30
Abstract: PURPOSE:To realize an active matrix driving system liquid crystal display device whose power consumption is little. CONSTITUTION:A counter electrode 13 opposed to a transparence electrode 12 on which a signal potential is given is independently and separately provided on each gate line, and the potential impressed on the counter electrode 13 can be independently controlled by each gate line. Thus, the adequate potential can be always supplied between the transparence electrode 12 and the counter electrode 13 regardless of the position of a line on a screen and a time when the polarity of the signal potential is inverted. As a result, a system power source voltage which must be excessivly set by the amount of the fluctuation of the signal potential in the danger of being caused when the polarity of the signal potential is inverted, but now it can be lowered. Thus, the power consumption can be made less than conventional device.
Patent JP-H11113059-A (JP)
Title: Portable terminal equipment
Inventor: YAMAMORI OSAMU
IPC: H04W84/10
Filed: 1997-10-01
Abstract: PROBLEM TO BE SOLVED: To provide the portable terminal equipment by which a degree of a troublesome operation of radio data transmission is reduced and accurate data transmission is conducted. SOLUTION: The user enters a telephone number from a data entry section 101 to make a data transmission processing operation, a communication program stored in a memory 102 is called. A CPU 104 based on the communication program outputs processing data stored in a RAM in the CPU 104 and control data to control a data adaptor 107 and a portable telephone set 108 to an optical communication section 105. The optical communication section 105 transfers the processing data and the control data to an optical communication unit 106 by means of an infrared ray (IrDA). The data adaptor 107 modulates the processing data based on the control data transferred in terms of the infrared ray and transfers the modulated data to the portable telephone set 108. The portable telephone set 108 makes a call based on the control data and sends the modulated processing data.
Patent JP-H01110730-A (JP)
Title: Electron beam exposure
Inventor: YASUDA HIROSHI
IPC: H01L21/30
Filed: 1987-10-23
Abstract: PURPOSE:To prevent making an erroneous judgement of a defective chip as an acceptable chip even in the conventional comparison inspection process by a method wherein, when multiple chip regions on a substrate are successively electron beam-exposed, the scanning directions of electron beams in the chip regions are changed for each row or line of the chip region. CONSTITUTION:When multiple regions on a substrate are successively electron beam-exposed, the scanning directions of electron beams(EB) in the chip regions are changed for each row or line of the chip region. For example, in case of the EB exposure, firstly, the values such as correction coefficient etc., of a deflector meeting the requirements for EB exposure are set up and then a field 3 as an exposure unit is EB-scanned from the end chip 2 provided on a mask to write a pattern. Then, patterns are successively written from the end in the direction as shown by dotted lines with the EB scanning direction specified in the X direction as to the chip 2 in the row A while in the Y direction as to the chip 2 in the row B likewise in the X direction as to in the row C and in the Y direction as to in the row D and so forth, changing the scanning directions in each change in the array.