baber/WOPTO huggingface dataset:
Patent JP-H0778344-A (JP)
Title: Track count circuit for optical disk player
Inventor: YAMAMOTO TAKESHI
IPC: G11B21/08
Filed: 1993-09-10
Abstract: PURPOSE:To accurately count tracks by controlling the operation of an up down counter using the variation of quantity of reflected light at a disk surface and variation of a tracking error signal. CONSTITUTION:Prescribed signals are respectively outputted to an output terminal 2 for quantity of reflected light of a pickup control 1 and an output terminal 3 for a tracking error signal during sending operating of an optical pickup. A tracking error signal from the terminal 3 is detected in level by a detecting circuit 6. An 'H' signal from an OR circuit 16 is applied to a down count terminal 19 of an up down counter (U/DC) 17 by a Q output of a D-FF 13. Also, a signal from an output terminal of a pulse generation circuit 8 is outputted to an output terminal of an OR circuit 15, and applied to an up count terminal 18 of the U/DC 17. When a count value of the U/DC 17 is made a target value, the signal is supplied to a system control circuit 10, and moving operation of the pickup is stopped.
Patent JP-H0777892-A (JP)
Title: Method and device for controlling temperature of fixing device
Inventor: SHIBAKI HIROYUKI
IPC: G05D23/19
Filed: 1993-09-10
Abstract: PURPOSE:To precisely control temperature without damaging a fixing device by controlling the temperature of the fixing device based on the temperature measuring result of a non-contact temperature measuring device and the temperature measuring result of a self-temperature measuring means. CONSTITUTION:An infrared ray radiated from the surface of a fixing roller 32 passes through the inside of a cylindrical member 36, is converted to an electric signal by the thermopile chip of a thermopile 35, is amplified by a thermopile inputting circuit 38, and is converted to a digital value by an AD converting circuit 40, then, is fetched to a CPU 42. The temperature of the thermopile itself is converted to the electric signal by a diode for compensating the temperature of the thermopile 35 and a diode inputting circuit 39, is converted to the digital value by the AD converting circuit 41, and is fetched to the CPU 42. Thermopile data and the data of the diode for compensating the temperature are converted to the data of the surface temperature of the fixing roller 32 by using a conversion table inside a memory 43, so that the temperature is precisely detected.
Patent JP-H0562767-A (JP)
Title: Heat insulating device for pipe
Inventor: ISHIZUKA SHUJI
IPC: F16L53/38
Filed: 1991-09-05
Abstract: PURPOSE:To save a space by shortening the length of a water feed pipe in the heat insulating device of the pipe of a hot-water feeder for preventing freezing. CONSTITUTION:A heater fitting pipe 26 is perpendicularly fitted in the middle of a drain pipe 21 draining water from a pump 29. A heater 28 is fixed to the heater fitting pipe 26 with a clip 27, and its heat is conducted to the pipe 21 via the heater fitting pipe 26. The length B of the connection portion 26a of the heater fitting pipe 26 to the pipe 21 can be made small, thus the length of the pipe 21 can be shortened.
Patent JP-2001050162-A (JP)
Title: Closed type compressor
Inventor: SATO KAZUHIRO
IPC: F04C29/02
Filed: 1999-08-10
Abstract: PROBLEM TO BE SOLVED: To provide a closed type compressor in simple structure, capable of securing lubricating oil holding quantity by separating oil from refrigerant gas containing lubricating oil and furnished with a motor cooling function. SOLUTION: A scroll compressor has a closed housing, a compressing mechanism stored in this closed type housing and a separation plate 112 set in the closed housing. This separation plate 112 separates refrigerant gas containing lubricating oil flowing in from a suction pipe into lubricating oil and refrigerant gas and has an open part to deflect a flow in the motor rotating direction. This open part is constituted of an inclined slit 113.
Patent JP-H0387075-A (JP)
Title: Piezoelectric actuator
Inventor: ISHIDA HISANORI
IPC: H01L41/09
Filed: 1989-08-30
Abstract: PURPOSE:To increase the amount of displacement generation, and improve the reliability of a piezoelectric element, by arranging a spring in a manner in which force acts in the expansion and contraction directions of the piezoelectric element, and reducing the acting force of the spring in response to the drived displacement of the piezoelectric element. CONSTITUTION:The following are provided; a piezoelectric element 2 wherein a rod 1 for transferring displacements to the outside is installed on one end in the expansion and contraction directions, a nonlinear spring 3 generating a force in the expansion and contraction directions of the element 2, and a frame 4 fixing the element 2 and the spring 3, which are inserted into the frame 4 with pressure and to which preliminary compressive force is applied. Force acting on the element 2 decreases as the displacement of the element 2 increases. Hence the displacement quantity larger than that of a single body of piezoelectric element can be led out via the rod 1.
Patent JP-2001053564-A (JP)
Title: Current switching circuit, variable gain amplifier and receiver
Inventor: OKASHIN YAMATO
IPC: H03G11/04
Filed: 1999-08-10
Abstract: PROBLEM TO BE SOLVED: To provide a variable gain amplifier with superior various characteristics. SOLUTION: Attenuator circuits 32 to 34 cascade-connected to input signals, amplifiers 42 to 44 for respectively supplying the respective output signals of the attenuator circuits 32 to 34 and resistors R55 and R56 connected in common to the output ends of the amplifiers 42 to 44 are provided. An operation current source in common with the amplifiers 42 to 44, plural transistors whose collector and emitter are respectively serially provided in a current line between the amplifiers 42 to 44 and the operation current source, the plural resistors respectively connected between the bases of the transistors and plural current sources for making a prescribed current respectively flow to the resistors are provided.  By controlling the current made to respectively flow to the resistors by the current source corresponding to control signals, level controlled output signals are obtained from the resistors R55 and R56.
Patent JP-S6288858-A (JP)
Title: Speed-change control method for automatic speed change gear
Inventor: IWATSUKI KUNIHIRO
IPC: F16H61/08
Filed: 1985-10-11
Abstract: PURPOSE:To keep the speed-change feeling in a good state in controlling an automatic speed-change gear, in which a multi-stage speed-change is achieved by shifting the first and second speed-change gears at the same time or alternately, by obtaining highly precise learning correction by means of less-frequent times of speed-change. CONSTITUTION:In the speed-change control of an automatic speed-change gear, which is provided with the first and second speed-change gears enabling to switch the number of speeds automatically and in which the multi-stage speed- change can be achieved by shifting these speed-change gears either at the same time or alternately, the speed control can be performed by possessing two procedures: (1) a procedure for correcting the speed-change control of at least one speed-change gear, based on the results of the previous speed-change timing and (2) a procedure for changing the gain of the predetermined correction value, based on the previous correction process. In performing the learning control, the gain of the predetermined correction value is changed, based on the previous correction process. Thus, both quick responsibility and precise convergence can be achieved at the same time.
Patent JP-2001048263-A (JP)
Title: Packaging container used combinedly for carrying and displaying
Inventor: KAMIUCHI SHIGEAKI
IPC: B65D85/34
Filed: 1999-08-10
Abstract: PROBLEM TO BE SOLVED: To manufacture at the possible lowest cost a disposable packaging container used combinedly for carrying and displaying while the container is so manufactured as to keep the good outer appearance to enhance the commodity value and make easy the separation disposal of materials of classified qualities. SOLUTION: A packaging container is provided with a transparent synthetic sheet cover 1 and a packaging container main body 4 covered with the cover 1, and the packaging container main body 4 is formed of a thermoplastic resin sheet outer contain main body 6 with a plurality of storage recesses 7 formed thereon and a non-woven fabric interior body 10 bonded on the outer contain main body 6 and holding stored materials in the state of being suspended in the air in respective storage recesses 7.  The non-woven fabric interior body 10 is a two-layer structure non-woven fabric formed of a first non-woven fabric layer 10a as a soft and fluffy cushioning material and a second non-woven fabric layer 10b constituted of materials of different melting points compounded and integrated in the state of cores and sheaths in single fibers, both of which are integrated and bonded by the needle punching method. Also the packaging container main body 4 is formed of a thermoplastic resin sheet constituting the outer container main body 6 and the non-woven fabric of two-layer constitution structure molded by the plug-assist vacuum molding method.
Patent JP-2001052344-A (JP)
Title: Optical disk
Inventor: FUKUDA HIROAKI
IPC: G11B7/09
Filed: 1999-08-10
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk which is enabled to output an accurate tracking error signal, even when the track pitch becomes narrow. SOLUTION: This optical disk is provided with a couple of track pits, shifted by specific length in the mutually opposite directions from the center of a track and also shifted by a specific distance in the track direction so as to obtain a tracking error signal and also provided with clock pits for obtaining a clock signal in the center of the track. A groove is formed between the area where track pits shift from the track pit positions of an adjacent track in the track direction, and the track pits are provided and the area, where the clock pits are provided, and the clock pits are shifted from the clock pit positions of an adjacent track in the track direction by the same distance as with the shift of the track pits.
Patent JP-2001050737-A (JP)
Title: Movable touch sensor
Inventor: YOSHITANI MASAYUKI
IPC: G01B7/00
Filed: 1999-08-10
Abstract: PROBLEM TO BE SOLVED: To provide a movable touch sensor monitoring a clearance between a rotating body such as a rotor blade in a steam turbine or a gas turbine and a easing surrounding the rotating body, having no chance of damage, standing a long-term operation, and contributing to cost reduction. SOLUTION: This sensor can move through a casing 2, has a measuring rod 3 provided with a contact detecting part on one end opposing to a rotating body 1 in the easing, and a drive mechanism on the other end outside of the casing. The contact detecting part forms an electricity communication part when it is in contact with the rotating body, thereby obtaining a motion command from the drive mechanism. When the contact detecting part comes in contact with the rotating body to form the electricity communication part, a clearance between the measuring rod and the rotating body is checked, and simultaneously the measuring rod is moved as needed to maintain the contact between the measuring rod and the rotating body, thereby preventing a problem leading to a damage from occurring.
Patent JP-H1069325-A (JP)
Title: Cpu clock switching circuit
Inventor: SAITO YASUTAKA
IPC: G06F1/08
Filed: 1996-08-28
Abstract: PROBLEM TO BE SOLVED: To obtain the CPU clock switching circuit which minimizes power consumption by controlling a system clock frequency according to the load state of software, a runaway of the software, a fault of another circuit in the same device, etc. SOLUTION: An input circuit 4 always monitors alarm information 8 from another circuit 2 and when an alarm is generated, a monitor circuit 5 monitors operation state information 9 supplied from a CPU peripheral circuit 3; if the CPU runs away, an information circuit 6 monitors load information 10 on the software supplied from a CPU peripheral circuit 3 and when the load is small, the circuit informs a clock switching circuit 7 of clock switching instructions 11-13 so as to lower the frequency of a clock signal 14.
Patent JP-S60118465-A (JP)
Title: Flowing grinder
Inventor: MATSUMOTO HIROSHI
IPC: B24B31/00
Filed: 1983-11-30
Abstract: PURPOSE:To make it possible to grind works evenly, by rotating right and left works attached to rotary shafts, which are set inside spindles formed cylindrically, relatively to the spindles, by the said rotary shafts. CONSTITUTION:When works 24, 24' are attached and a pulley 6 is rotated, after the media and the abrasives are mixed, a cylindric shaft body 5 and a gear box 4 rotate, spindles 17, 17' revolve around the central axis of the shaft body 5, and they also turn round on their own axes by the revolving movement of the first planetary gears 18, 18'. At the same time, rotary shafts 19, 19' work-fixtures 23, 23' and the works 24, 24' revolve around the shaft body 5, and also turn round on their own axes, integrally with the revolution and the self-turning of the spindles 17, 17', by the revolving movement of the second planetary gears 20, 20'. At this time, the surfaces of the works 24, 24' are ground evenly by rotating the works 24, 24' around the central axis of the shaft body 5 and the central axes of the spindles 17, 17', in normal direction the reverse direction, by switching a driving power source M in normal/reverse direction every determined times, and changing the relative position of the works 24, 24' to the spindles 17, 17'.
Patent JP-S6383270-A (JP)
Title: Production of diamond-like carbon film
Inventor: HIRABAYASHI KEIJI
IPC: C23C16/50
Filed: 1986-09-25
Abstract: PURPOSE:To form a superior-quality diamond-like carbon film which has high hardness and is excellent in insulating properties on an Si wafer by forming the activated species of carbon-contg. gas mixed with the activated species of gaseous H2 accelerated with an electric field in the vicinity of the base late of the Si wafer incorporated in a vacuum tank. CONSTITUTION:A base plate 12 of an Si wafer is fitted on a holder 13 thereof in a vacuum tank 1 and heated at 300-800 deg.C with a heater 14. Gaseous H2 is fed to a high-frequency coil 9 through an introduction pipe 7 from a gaseous H2 cylinder 6. Plasma discharge is caused between the high-frequency coil 9 and the holder 13 with a high-frequncy electric source 11 to form the activated species of gaseous H2 and also carbon-contg. gas such as CH4 is discharged through an introduction port 8 from a cylinder 4 and jetted on the base plate 12 together with the activated species of gaseous hydrogen. A diamond-like carbon film which has extremely high hardness and extremely small electric conductivity not more than 10<-11>OMEGA<-1>cm<-1> and is used for decoration, a workpiece and passivation of a semiconductor can be formed on the base plate 12 with excellent productivity.
Patent JP-S60117036-A (JP)
Title: Split unit type floor heating system
Inventor: ENDOU TERUMI
IPC: F24D13/02
Filed: 1983-11-29
Abstract: PURPOSE:To obtain the titled system in which engineering work and repair are simple, unevenness in wiring is not conspicuous and heating area is arbitrarily selectable, by using flat cables as power supply wires and providing switching means capable of being turned ON or OFF selectively, between respective tile carpets and a controller for supplying power thereto. CONSTITUTION:When the flat cables 1 are connected to tile carpets 3 having heaters 2, heater terminals 2a and 2b are directly connected to wires 1a and 1b of the flat cables 1 by means of long and thin connectors 4. In accordance with the floor using state, tile carpets 3 are laid at suitable portions requiring heating in a current applicable manner. Respective switches SW1-SWn of a switch box 8 interposed between a load wire 9 from the controller 7 and respective tile carpets 3 are turned ON or OFF, as necessary, it is possible to heat desired positions.
Patent JP-S61106628-A (JP)
Title: Dissolution of cellulose acetate
Inventor: ONO KAZUHIRO
IPC: B01F1/00
Filed: 1984-10-30
Abstract: PURPOSE:To produce a homogeneous high-concentration solution freed from heating unevenness and formation of gel at low cost in one step without resort to any step of concentration, by heating a mixture of cellulose acetate and a solvent to a temperature higher than the b.p. of the solvent and continuously moving the mixture. CONSTITUTION:Cellulose acetate 1, a solvent 3 and an additive 4 are continuously fed to a kneader 2 and roughly mixed together. The obtained mixture is preheated in a preheater 8 and continuously supplied to a dissolution kettle (pressure vessel) 5 through an inlet 25. The pressure in the vessel 5 is raised to the equilibrium pressure by the vapor pressure of the solvent. The mixture is heated by supplying steam to a jacket 10 and moved downwardly through the vessel 5 with agitation by impellers 9 each of which has scraping blades 28 on its extremities and discharged through an exit 29 on the bottom. A high- concentration solution of cellulose acetate can be produced in one step. A solution substantially free of gel can thus be produced without passing a step of concentration and the concentration can be performed within a very short time. The reduction in size of dissolution equipment and the elimination of concentration equipment are possible, so that the equipment cost can be greatly reduced.
Patent JP-H03115749-A (JP)
Title: Intake pressure sensor
Inventor: GOTO HIROICHI
IPC: G01L9/14
Filed: 1990-08-30
Abstract: PURPOSE:To detect the displacement of a diaphragm with high accuracy in the non-contact state by disposing a magneto-resistance effect element in proximity to a plastic magnet integral with the diaphragm in a sensor for detecting intake pressure utilizing the displacement of the diaphragm. CONSTITUTION:An intake pressure sensor is constructed in such a way that a diaphragm 5 is displaced against a spring 14 by the negative pressure led into a negative pressure chamber in a casing 1 through a communicating hole 2, and a detecting means is thereby operated through a shaft 6. In this case, a magnetism generating body 15 made of a permanent magnet or the like is additionally provided at the tip part of a shaft 6, and in this vicinity, there is also provided with a magneto-resistance effect element (MR element) 16. The MR element 16 is formed of a magnetic body with magneto-resistance effect such as Ni-Fe formed on the surface of a base made of glass for instance, by a film accumulating method, and thereby the electric resistance value of the element can be changed by the magnetic field. The displacement of the magnetism generating body 15, that is, the shaft 6, is thus detected in the non- contact state.
Patent JP-H0275361-A (JP)
Title: Continuous rotor holding apparatus for centrifugal separation
Inventor: KATO MASAMI
IPC: B04B7/00
Filed: 1988-09-09
Abstract: PURPOSE:To simplify the mounting of a rotor holding apparatus by holding a shaft by providing a shaft stand to the retainer fixed to the bottom part of a rotor chamber and holding the piece assembly of a rotor to the support arm fixed to the upper part of the shaft in a cantilevered fashion. CONSTITUTION:A shaft 11 is erected on the retainer 10 possessed by a centrifuge main body and a support arm 12 is fixed to the upper part of the shaft 11 while the support arm 12 and the piece assembly 1b of a separation continuous rotor are fixed by a lock screw 14. The fine core shift of the individual rotor is adjusted by loosening a tightening bolt 13 to regulate the support arm 12 before and behind as well as left and right. By the above-mentioned constitution, only by mounting the shaft 11 having the support arm 12 fixed thereto, a continuous rotor holding apparatus can be easily assembled.
Patent JP-H0274848-A (JP)
Title: Instruction method in board inspecting apparatus
Inventor: KOBAYASHI SHIGEKI
IPC: G01N21/956
Filed: 1988-09-09
Abstract: PURPOSE:To facilitate the manufacture of a reference board for instruction and to make it possible to utilize said board again by attaching a label to a component mounting position on the board, picking up the image of the label, and instructing the mounting position and the kind of the component. CONSTITUTION:A specified part 21S is properly soldered to a component mounting position on a reference board 20, and the excellent mounting state is formed. A label 50 is attached to the approximately central position of the upper surface of each component 21S. The label 50 is used for instructing the mounting position of the component 21S and the kind and the mounting direction of the mounted part. Namely, the reference board 20 is supplied to a board inspecting apparatus, and the image of each label 50 is picked up. The mounting position of the component 21S is instructed by the label attached position. The kind of the component 21S is instructed based on the color or the shape of the label.
Patent JP-H1068580-A (JP)
Title: Refrigerator
Inventor: YOKOYAMA HITOSHI
IPC: F25D25/00
Filed: 1997-08-22
Abstract: PROBLEM TO BE SOLVED: To provide a refrigerator which enables vegetables to be easily taken in and out of a vegetable chamber, and is good in its storage characteristic of vegetables and easy to use. SOLUTION: A refrigerator comprises a refrigerating chamber in the upper part thereof, a freezing chamber in the lower part thereof, and a vegetable chamber 200 between the refrigerating chamber and the freezing chamber, The storage case of the vegetable chamber includes a first storage case 202 interlocking with the drawer door 20 of the vegetable chamber and a second storage case 204 provided above the first storage case 202. Opposed upper edge parts at both sides of the first storage case comprise edge parts at high positions, edge parts 202a at positions lower than those at the high positions, and step part for connecting the edge parts at the high positions to those at the low positions. The second storage case 204 uses the edge parts 202a at the low positions as guide rails and is supported so as to slide on the guide rails.
Patent JP-S60119711-A (JP)
Title: Vapor phase reaction unit
Inventor: HONDA MASAO
IPC: H01L21/302
Filed: 1983-12-02
Abstract: PURPOSE:To improve a CVD processing efficiency by providing a plurality of bell jars so as to continue chemical reaction with the use of a bell jar which is not being cleaned. CONSTITUTION:A table 1 carrying a wafer thereon is convered with a bell jar 2 by operating a button. The table 1 rotates on its axis while a soaking table also rotates. Valves V1-V3 are switched by operation of switches so that a tube 3 is supplied with O223 and a tube 4 is supplied with SiH424, PH325 and N226. When one of the bell jars is being cleaned, any other bell jar already cleaned can be used to effect the reaction for forming a film. Accordingly, any down-time of the unit can be substantially eliminated and a CVD efficiency can be improved.