baber/WOPTO huggingface dataset:
Patent JP-H06168470-A (JP)
Title: Disk reproducing device
Inventor: KOIDE KIICHIRO
IPC: G11B7/004
Filed: 1992-11-30
Abstract: PURPOSE:To detect the omission of information and to improve the detection ability of flaws, etc., by generating a defect output signal by adding a morror output signal detected in a detection circuit for the omission of a mirror surface to a detection circuit for the omission of an information surface. CONSTITUTION:The mirror output signal of a detection circuit 6 for the omission of a mirror surface is inputted to a detection circuit 7 for the omission of an information surface and a defect output signal is outputted. When the defect output becomes H, a switching circuit 8 is turned off and makes the servo loop of a disk reproducing device turn off. Consequently, the operating point of a servo driving circuit 9 is set by means of a pre-hold circuit composed of a capacitor C1 holding an operating level just before and a servo loop circuit performs a prescribed servo control. Consequently, since focusing servo or tracking servo operation is exerted, the optical pickup 2 goes excessively out of the track of the disk 1 and the inconvenience such as the long time required for recovering servo operation is prevented.
Patent JP-H04188759-A (JP)
Title: Semiconductor integrated circuit device
Inventor: TACHIBANA MASANORI
IPC: H01L25/00
Filed: 1990-11-21
Abstract: PURPOSE:To inhibit unnecessary radiation generated from an IC, to decrease the number of externally fitted parts and to increase packaging density by mounting an IC chip, a lead frame connected to the chip and composed of multilayer structure and an insulator formed between layers. CONSTITUTION:The GND of the circuit of a chip 1 and a die pad 2 are connected by wires 5a, 5d. The VCC side of the circuit of the chip 1 and a die pad 3 are connected. ON the other hand, capacitance is formed of the lead frames 2, 3 and an insulator 4. Consequently, capacitance as a bypass capacitor can be added between the VCC and GND of the chip 1 at a shortest distance. The chip 1 and the capacitance can be wired at the shortest distance, thus inhibiting the inductance component and stray capacitance of wirings. Accordingly, unnecessary radiation generated form an IC is suppressed, the number of externally fitted parts is decreased, and packaging density is increased.
Patent JP-2000142518-A (JP)
Title: Lamp device and motor assist bicycle having same
Inventor: FUKUOKA YUJI
IPC: B62J6/02
Filed: 1998-11-11
Abstract: PROBLEM TO BE SOLVED: To reduce required installation space and protect a lamp against overvoltage by outputting input voltage as output voltage in a state equal to or below a second specified voltage value, and providing an output voltage limiting part for turning off output voltage in a state as exceeding the second specified voltage value. SOLUTION: Power line voltage is read in at S2 and judges the value thereof at S3. When a battery capacity drop is detected from a voltage drop, a power supply to an assistant motor is turned off at S5, and a shutdown flag is set at the preset address of a microcomputer at S6. When a lamp flag is judged as set at S4, it is checked whether the shutdown flag is set at S7. If the shutdown flag is not set, an assist control part issues an instruction to an output voltage control part and, for example, supplies voltage to the lamp for it continuous lighting.
Patent JP-2000114948-A (JP)
Title: Switching means having self-holding function and self- turn on function
Inventor: SUZUKI TOSHIYASU
IPC: H02M1/06
Filed: 1998-10-06
Abstract: PROBLEM TO BE SOLVED: To dissolve the delay of the turn-off operation of a switching means by voltage-driving a voltage driven-type switching means by means of main current with a voltage drop occurred in a constant voltage means and detecting whether main current is larger than a prescribed value or not. SOLUTION: A part between a drain terminal and a source terminal and a part between the source terminal and a gate terminal are connected in series so that a second switching means comes to a source terminal-side when the part between the gate terminal and the source terminal is an insulating type. A constant voltage means having a constant voltage characteristic larger than on/off threshold voltage in a forward bias direction is connected between the source terminal and the gate terminal. An on-driving means which operates based on a signal outputted from the drain terminal and on-drives a transistor 2 when a transistor 3 is turned on is installed. An off-driving device which off-drives the transistor 2 when the transistor 3 is turned off is installed.
Patent JP-H11155032-A (JP)
Title: Isdn terminal adapter and its charge information transmitting method
Inventor: OSHIRO TAKESHI
IPC: H04N1/34
Filed: 1997-11-20
Abstract: PROBLEM TO BE SOLVED: To connect facsimile communication equipment without necessity for connecting PC so as to display a charge at the time of necessity by containing an ISDN line, operating a control circuit by means of program control, containing the facsimile communication equipment, establishing communication with the facsimile communication equipment, storing addresses and charge information and generating a start signal in a designated time. SOLUTION: When a call is requested from the facsimile communication equipment 2, a call request is detected by an analog interface circuit control means 121 with an analog interface circuit 14 so as to detect an opposite party address. The detected opposite party address is compared with an address which is previously registered in a memory 15 by an address decision means 125. When the compared addresses coincide, a link is established with the facsimile communication equipment 2 through the use of a MODEM circuit 13 by a facsimile communication control means 124 and charge information preserved in the memory 15 is transmitted.
Patent JP-H03180090-A (JP)
Title: Semiconductor laser module
Inventor: KOSUGE KAZUHIRO
IPC: H01S5/00
Filed: 1989-12-08
Abstract: PURPOSE:To improve the electrical characteristics and the long-term reliability of a semiconductor laser module by a method wherein a stem on which a semiconductor laser device is mounted is fitted to a mount-holder and fixed by YAG laser spot welding to provide mechanically stable bonding strength and, further, thermal contact is maintained by low temperature solder applied to the fitting part. CONSTITUTION:A rod lens 3 is soldered to a mount-holder 1 with AuSn solder beforehand. A stem 2 on which a laser diode 4 and a photodiode 5 are mounted is fitted and inserted into the mount-holder 1. The stem 2 is fixed by YAG laser spot welding 6 from the side surface of the mount-holder 1 along the circumference. Then the fitting part is soldered 7. After that, a fiber ferrule 11 is adjusted so as to be positioned at an optimum photocopying position while the laser diode 4 is made to emit a light and the fiber ferrule 11 is fixed to the mount-holder 4 by YAG laser spot welding 6 through a slide ring 12 to unify a coupling optical system. With this constitution, the electrical characteristics and the long-term reliability can be improved.
Patent JP-H07176847-A (JP)
Title: Circuit board and its manufacture
Inventor: KATAYAMA TOSHIHIRO
IPC: H05K3/40
Filed: 1993-12-20
Abstract: PURPOSE:To improve the electrical connectability between a hardened conductive body and wiring pattern by grinding the end face of the hardened conductive body formed to cover at least part of a land section to a flat face. CONSTITUTION:A wiring pattern 2 is formed on at least one surface of an insulating substrate and has a land section 5. In order to increase the contacting area of the land section 5 with a hardened conductive body 4, the width W of the section 5 is made wider under the restriction of other wiring patterns. A pierced hole 3 for through hole 3 is filled with the body 4, with the end of the body 4 being protruded from the section 5 so that the body 4 can cover at least part of the section 5, and the end face A of the body 4 is flattened. When such a constitution is used, the land section 5 can be widely covered with the body 4 without increasing the height of the body 4. Therefore, the reliability of the electrical connection between the body 4 and pattern 2 can be remarkably improved.
Patent JP-H10163776-A (JP)
Title: Volume controller for equipment with sounding
Inventor: SAKATA KOJI
IPC: G07D9/00
Filed: 1996-11-29
Abstract: PROBLEM TO BE SOLVED: To apply a volume controller for suitably setting the level of sounding at equipment with sounding especially corresponding to the surrounding conditions such as noises. SOLUTION: This volume controller is provided with a volume control means having a bell 33 for generating a reception sound toward a user when a signal is received from the outside while being installed on the main body of equipment, volume measuring instrument 32 for measuring the level of noises around the main body 30 of equipment, volume setting part 38 for setting the volume level of reception sound to be generated by the bell 32 at a volume level optimum for the user based on the noise level measured by this volume measuring instrument 32, and volume control part 39 for controlling the reception sound to be generated by the bell 32 based on the volume level of reception sound set by this volume setting part 34.
Patent JP-H01161085-A (JP)
Title: Liquid crystal composition
Inventor: KIZAKI SEIICHI
IPC: G02F1/139
Filed: 1987-12-18
Abstract: PURPOSE:To obtain a liquid crystal composition having a very low C-N point and excellent low-temperature resistance, by mixing six kinds of specified liquid crystal compounds in the specified proportions. CONSTITUTION:This liquid crystal composition is prepared by mixing 10-30wt.% at least one liquid crystal compound of formula I (wherein R<1> is 3-5C alkyl and R<2> is 1-4C alkyl), 10-50wt.% of at least one liquid crystal compound of formula II (wherein R<3> is 2-5C alkyl), 5-15wt.% of at least one liquid crystal compound of formula III (wherein R<4> is 2-5C alkyl), 10-30wt.% of at least one liquid crystal compound of formula IV (wherein R<5> is 3-5C alkyl and R<6> is 2-5C alkyl), 5-30wt.% of at least one liquid crystal compound of formula V (wherein R<7> is 3C alkyl and R<8> is 4-5C alkyl), and optionally 10wt.% or less liquid crystal compound of formula VI (wherein R<9> is 3-5C alkyl and R<10> is 3-5C alkyl). Liquid crystal compounds which consist of linearly combined rings and have low viscosity are used mainly and these which are compatible with each other are blended together to reduce the viscosity of a liquid crystal composition and to lower the crystallization temperature of liquid crystals so as to give a liquid crystal composition having a very low C-N point and excellent low-temperature resistance.
Patent JP-H04189735-A (JP)
Title: Packing of container with film or sheet
Inventor: TANIMOTO NORIHIDE
IPC: B65B25/00
Filed: 1990-11-22
Abstract: PURPOSE:To save film and to facilitate packing work by a method wherein a space for inserting a container which is surrounded by a cylindrical film or sheet is formed between guide plates. CONSTITUTION:A film or sheet (S) formed in a cylinder and having an opening circumferential length substantially the same as the circumferential length of a container (F) is placed at an outer side tip ends of a pair of opposing guide plates 1 and 2. At this time, the pair of guide plates 1 and 2 are made to approach to each other, so that the cylindrical film or sheet (S) can be placed loose on the outer side, and then, the guide plate 2 is moved by a movement of a moving shaft 31 which is fixed on the guide plate 2 along slide shafts 30 and 30' so that the guide plate 2 comes apart from the guide plate 1, and thereby, the cylindrical film or sheet (S) is stretched. As a result, a space (W) surrounded by the guide plates 1 and 2 and the cylindrical film or sheet (S) is formed. The container (F) is inserted into the surrounded space (W), packed by the guide plates 1 and 2 and the cylindrical film or sheet (S), and taken out from between the guide plates 1 and 2 together with the cylindrical film or sheet (S). Thus the outside wrapped container (F) can be obtained.
Patent JP-H01163441-A (JP)
Title: Fuel control device for engine
Inventor: IKEO MITSUGI
IPC: F02D41/22
Filed: 1987-12-17
Abstract: PURPOSE:To improve fuel consumption performance during control of increase of fuel, by a method wherein, in a multi-cylinder engine, the increase value of a fuel feed amount is varied according to cooling performance intrinsic to each cylinder. CONSTITUTION:In a multi-cylinder engine having a means, increasing a fuel feed amount in order to reduce an exhaust gas temperature during high load high rotation running, as a means to cope with regulation of exhaust gas, the exhaust gas temperature is not necessarily common to all cylinders, but is influenced by cooling performance of each cylinder. When a running region detecting means detects a given running state in which the exhaust gas temperature is increased to a value higher than a given value, a fuel feed amount increasing means increases an amount of fuel fed to an engine to rapidly lower the exhaust gas temperature. An increase value is decided and controlled at each cylinder according to intrinsic cooling performance by means of a cylinder discriminating means. Since only a slight increase is effected in relation to a cylinder having high cooling performance, this constitution improves fuel consumption performance during control of increase of fuel.
Patent JP-H05159401-A (JP)
Title: Method and device for recording and reproducing magneto-optical disk
Inventor: KURODA SUMIO
IPC: G11B11/105
Filed: 1991-12-04
Abstract: PURPOSE:To provide a method and a device for recording and reproducing a magneto-optical disk considering the responsiveness of the power modulation of an light excitation laser. CONSTITUTION:Recording, reproducing and erasing are performed by irradiating a laser beam in a spot state on a magneto-optical disk 2. A light excitation laser oscillator 1 is used as a laser light source and is modulated in sector so that laser power in a spot position becomes a recording level and a reproducing level and recording is performed so that external magnetic field is modulated in accordance with recording data under the recording power. At this time, the laser oscillator is modulated so that the laser power in the spot position becomes recording power before a prescribed distance considering the responsive delay of the light excitation laser oscillator 1 to an excitation light beam from the recording section of the recording target sector of the magneto-optical disk 2 at the time of moving from reproducing to recording.
Patent JP-H06279596-A (JP)
Title: Impermeable elastic diaphragm
Inventor: BUNOWA RU ROSHINIYORU
IPC: C08J5/18
Filed: 1993-12-20
Abstract: PURPOSE: To prepare an impermeable elastic diaphragm for the hydropneumatic accumulators, namely hydropneumatic suspension of an automobile.  
     CONSTITUTION: This diaphragm is an impermeable membrane obtained by extruding, injection-molding or pressure-molding a fully hydrolyzed high- molecular-weight plasticized polyvinyl alcohol. 
     COPYRIGHT: (C)1994,JPO
Patent JP-H03181928-A (JP)
Title: Camera using film having magnetic material layer
Inventor: IZUKAWA KAZUHIRO
IPC: G03B17/00
Filed: 1989-12-12
Abstract: PURPOSE:To detect the feed quantity of a film with simple constitution by detecting perforations of the film with the magnetic material layer from output variation of a magnetic head arranged at the passage position of perforations. CONSTITUTION:When the magnetic head 6 on the film is at a perforation position, the inductance of the magnetic head 6 becomes small and a voltage to the '+' input of a voltage comparing circuit 10 becomes low. Therefore, the voltage to the '+' input does not exceed the voltage VREF of a reference voltage source 11, so the output of the voltage comparing circuit 10 is positive logic or '0' and the output Q of a D flip-flop 12 is '0'. For the purpose, a microcomputer 13 counts outputs '1' from the D flip-flop 12 by its internal counter to calculate the film feed quantity of the film. Thus, perforations are detected from the output of the magnetic head to detect the film feed quantity of the film, thereby eliminate the need for a complex, high-cost perforation detecting mechanism, etc.
Patent JP-H06159870-A (JP)
Title: Detecting equipment of locking of motor
Inventor: KATO YOSHINORI
IPC: F25B49/02
Filed: 1992-11-30
Abstract: PURPOSE:To detect locking of a motor directly and reliably and thereby to prevent burnout of a winding without fail. CONSTITUTION:Pressures in a discharge pipe 9a and a suction pipe 9f of a compressor 2 driven by a motor are detected by pressure sensors 10 and 11 of the discharge and suction pipes respectively. By a microcomputer 12, a detection signal of the latter sensor is subtracted from a detection signal of the former and a differential pressure signal is outputted. Based on the differential pressure signal inputted at the time of the stop of the compressor and that inputted after a prescribed time passes from the start thereof, the microcomputer subtracts a differential pressure at the time of the stop from the one at the time of operation, which are shown by these signals, and when the result of subtraction is a prescribed value or below, it judges this as the stop of the motion of the motor and outputs an alarm or a locking detection signal for an urgent stop of the motor.
Patent JP-H01164577-A (JP)
Title: Work lifting gear
Inventor: INAO TAKESHI
IPC: B66F19/00
Filed: 1987-12-17
Abstract: PURPOSE: To raise/lower a very heavy work at a required speed by an inexpensive small motor by arranging an air cylinder between a slider and the fixing member of a guide side for applying the pressing force of a rising direction to the slider. CONSTITUTION: A slider 4 is vertically moved along a guide 6 via a pinion 2 and a rack 3 driven by a small AC or DC motor, and a work 13 gripped by a holding tool 5 in the lower end of the slider 4 is moved up and down. During the vertical movement of the slider 4, an air pressure is always applied to the cylinder rod 11 side of an air cylinder 9, and the pressing force of an upper direction is always applied to the slider 4 via the cylinder rod 11. The dead weight of the work 13 is canceled by the pressing force, and a load placed on a motor 1 is remarkably reduced. Thus, a very heavy work is lowered at a low speed by the motor 1, and accidents such as the breaking of the work or the like are prevented.
Patent JP-H07177036-A (JP)
Title: D/a conversion circuit device
Inventor: DAITO SHOJI
IPC: H03M1/06
Filed: 1993-12-21
Abstract: PURPOSE:To obtain a D/A conversion circuit device capable of outputting analog voltages with positive and negative voltage ranges even when a power supply voltage is provided with, for example, a single voltage value. CONSTITUTION:The D/A conversion circuit device 1 uses an amplifier circuit 2 as an amplifier circuit, and also, is equipped with a reference voltage generation circuit 3 which generates a reference voltage Vs that is an analog voltage set as reference, and a voltage feedback circuit 4 which feeds back a voltage Vb in accordance with difference between a voltage Vd value and a reference voltage VSG value by inputting the output side voltage Vd of the amplifier circuit 2 and the reference voltage VSG. An output voltage Vout can provide with the voltage on a minus side for the reference voltage VSG that is virtual ground potential even when the power supply voltage of the D/A conversion circuit device 1 is provided with, for example, the single voltage value.
Patent JP-H0790190-A (JP)
Title: Pigment composition
Inventor: UORUFUGANGU SHIYUUABU
IPC: C09B67/22
Filed: 1991-12-04
Abstract: PURPOSE: To provide a pigment preparation which is useful for coloration of high-mol.wt. org. material in a solvent-contg and/or aq. paint system and has excellent flocculation stability and good rheological properties by including a specified org. pigment and a specified pigment additive.  
     CONSTITUTION: This pigment preparation comprises a pigment portion composed essentially of: an org. pigment selected from among azo pigments, anthraquinone, anthanthrone, flavanthrone, quinacridone, quinophthalone, dioxazine, isoindoline, isoindolinone, perinone, perylene and/or thioindigo pigments; and a pigment additive represented by the formula [wherein P represents a residue of the org. pigment; m is 3 to 20; n 0.1 to 4; and X represents H, a 1-4C alkyl, phenyl, hydroxyl, NR 1 R 2  (wherein R 1  and R 2  represent each H or a 1-4C alkyl), or COOM (wherein M represents H or a stoichiometrical amt. of a monovalent, divalent, or trivalent cation)]. 
     COPYRIGHT: (C)1995,JPO
Patent JP-H03183330-A (JP)
Title: Charger
Inventor: TAKIMOTO HIROYUKI
IPC: H02J7/00
Filed: 1989-12-11
Abstract: PURPOSE:To accurately determine charging degree of a battery to be charged by obtaining the electromotive force of the battery based on a voltage between terminals of the battery to be charged if charging currents of different levels are selectively supplied, and comparing it with latched data. CONSTITUTION:An operation controller 18 first sets a charging circuit 14 to an operating state, supplies a charging current I2 to a battery 10, and measures a voltage V2 between the terminals of the battery 10 at that time by a voltage measuring circuit 12. Then, the discharging current of the circuit 14 is set to I1 for short time necessary for stably measuring the voltage, and a voltage V1 between the terminals of the battery 10 at that time is measured. The controller 18 calculates an electromotive force V of the battery 10 from the currents I1, I2 and the voltages V1, V2. The obtained force V is compared in the table of a memory 24, corresponding data of A, B, C is read, transferred to and displayed by a display unit 20.
Patent JP-H0593014-A (JP)
Title: Polymerization of alpha-olefin
Inventor: TAMURA MASANORI
IPC: C08F10/00
Filed: 1991-10-01
Abstract: PURPOSE:To obtain an alpha-olefin (co)polymer having high stereoregularity and melt-flowability by using a catalyst consisting of a solid catalyst component such as Mg and Ti, an organic aluminum compound and a specific organic silicon compound. CONSTITUTION:An alpha-olefin is (co)polymerized in the presence of hydrogen and diethylzinc by using a catalyst consisting of (A) a solid catalyst component containing Mg, Ti, a halogen element and an electron donor as essential components, (B) an organic aluminum compound and (C) a silicon compound of formula R<1>nSi(OR<2>)4-n (R<1> is 1-8C alkyl, phenyl or benzyl; R<2> is 1-8C alkyl; (n) is integer of 0-3).
Patent JP-H04191946-A (JP)
Title: Snoop cache memory control system
Inventor: SATO MASAKI
IPC: G06F12/08
Filed: 1990-11-27
Abstract: PURPOSE:To improve the utilizing efficiency of a common bus by dynamically discriminating whether a cache memory having a same block is to be revised or invalidated based on an operating state of the block of a processor when a common data in other cache memory is rewritten. CONSTITUTION:A flag (access flag) 20 set when a processor accesses a block in a cache memory 13 once or over is provided in the unit of blocks. When its own access flag is set up to a point of time when a same block of other cache memory is rewritten, its own block is revised but when the access flag 20 is not set, its own block is invalidated and the consistency is maintained by giving information representing whether the block is revised or invalidated to the cache memory 13 being a revision request source. Thus, undesired revision of the common block is minimized in this way to improve the utilizing efficiency of the common bus 80.