baber/WOPTO huggingface dataset:
Patent JP-S63184526-A (JP)
Title: Differential limiting device
Inventor: OUCHI MITSUSACHI
IPC: B60K23/04
Filed: 1987-01-28
Abstract: PURPOSE:To improve the extent of rectilinear stability at the time of driving at high speed, by limiting differential motion according to the size of driving torque when a car speed is smaller than the specified value and securing accelerability at time of starting, while giving the specified differential limiting variable when the car speed becomes more than the specified value. CONSTITUTION:A differential limiting device 10 is one that controls differential motion of a differential gear having a differential limiting mechanism 12, and it is constituted of a device 14 detecting a car speed, a device 16 detecting driving torque a controller 18 and an operating device 20. And, this operating device 20 is, for example, constituted of a liquid pump 22, an unload relief valve 24, an accumulator 26, a current control pressure reducing valve 28 and a check valve 30. And, when the car speed is, for example, smaller than the specified value, the operating device 20 is controlled by the controller 18 to limit the differential motion according to size of the driving torque. With this constitution, even if the car speed is little as at time of starting, the differential limited variable is made larger when the driving torque is large, thus accelerability is secured.
Patent JP-S60163992-A (JP)
Title: Preparation of raw material pitch for carbon fiber
Inventor: MATSUBARA MICHIROU
IPC: C10C3/02
Filed: 1984-02-02
Abstract: PURPOSE:To prepare the titled raw material pitch having excellent spinnability and produces high quality carbon and graphite fibers, by subjecting residual oil of distillation obtained as byproduct of fluid catalytic cracking of petroleum, to thermal modification under specified conditions and extraction and then performing vacuum distillation of the resultant optically isotropic pitch. CONSTITUTION:The residual oil of distillation (having a boliing point of 400 deg.C or higher) is subjected to thermal reforming reaction at 440-475 deg.C under pressure of 0.5-5kg/cm<2> for 0.3-2hr, while gas and light oil fractions are being removed. The reaction product is extracted with a solvent having an average solubility parameter of 9.7-10.2 (e.g., a mixt. of quinoline and tetralin) at 250-350 deg.C under pressure of 50kg/cm<2> to remove light oil fractions, convert it into meso phase and produce raw material pitch for carbon fiber which contains 70% or higher anisotropic components.
Patent JP-S61175911-A (JP)
Title: Magnetic head
Inventor: OOTA HITOSHI
IPC: G11B5/255
Filed: 1985-01-28
Abstract: PURPOSE:To prevent an abrasion of a magnetic gap of a main core, and also to obtain a good electrical characteristic by providing a wear resistance film whose hardness is higher than that of the main core, on at least the tip part between the main core and an auxiliary core, and joining them by the part having no said wear resistance film. CONSTITUTION:A wear resistance film which has been formed on an auxiliary core 4 by vapor-depositing a substance whose hardness is higher than that of a main core 1, for instance, titanium, to the auxiliary core 4 is provided on the tip part and the base end part of the auxiliary core 4. The auxiliary core 4 is joined to the main core 1 by an adhesive agent which has been packed between the part having no wear resistance film 7 and the main core 1. As a magnetic head is worn out, a nonmagnetic part 4b of the main core 1 and the auxiliary core 4 is worn out, and the wear resistance film 7 is projected. Therefore, a recording medium 6 contacts to only the wear resistance film 7, a moderate spacing is held between a magnetic gap 2 of the main core 1 and the recording medium 6, and an abrasion of the magnetic gap 2 is prevented.
Patent JP-S58136249-A (JP)
Title: Bearing cooling structure for rotary electric machine
Inventor: YAGI NOBUYUKI
IPC: H02K9/02
Filed: 1982-02-05
Abstract: PURPOSE:To suppress the heat generated from bearings, to prevent the thermal deterioration of lubricating grease and to increase the lifetime of the grease by forming the first annular space formed of an atmospheric air inlet and a cover having a vent hole, and the second annular space surrounded by the back surface of a cooling fan and a bracket. CONSTITUTION:A cover 19 forming the first annular space 15 is provided at the side 7C of a bearing unit 7B, and one or more vent holes 26 are formed at the upper part of the cover 19. A cylindrical partition plate 29 which is projected in the vicinity of the outer periphery of a ventilation fan is provided inside a bracket 7A, and the second annular space 27 which is surrounded by the partition plate 29, the back surface of the fan 21, the bracket 7A and the cover 19, is formed. The spaces 25, 27 communicated with each other through one or more vent holes 26 formed at the upper part of the cover 19, and the space 27 further communicates with the atmospheric air through an exhaust port 28 at the lower part.
Patent JP-2000210135-A (JP)
Title: Elevatable storage device
Inventor: HORI MASAKI
IPC: A47B77/04
Filed: 1999-01-26
Abstract: PROBLEM TO BE SOLVED: To provide an elevatable storage device in a simple structure capable of easily adjusting resistant force in a well balanced manner when stored materials are lowered, and performing smooth elevation of the stored materials. SOLUTION: Stored materials 2 can be freely pulled forwardly down from an outer box 1 by rotational movement via link mechanisms 3 arranged on both sides. The link mechanisms 3 on both sides have parallel links consisting of front links 3a and rear links 3b. Dampers 4 (4a, 4b) are provided on the front links 3a on both sides and the rear links 3b on both sides for serving resistance when the stored materials 2 are rotationally moved and pulled forwardly down. The dampers 4 on both sides are formed as oil dampers 4b on either front or rear side and the dampers 4 on both sides are formed as spring dampers 4a on the other side. A spring adjusting mechanism 5 is provided for the spring dampers 4a to change spring force.
Patent JP-S57130453-A (JP)
Title: Thin film circuit device
Inventor: FUJI MASAAKI
IPC: H01L25/16
Filed: 1981-02-06
Abstract: PURPOSE:To enlarge the degree of freedom of design, to reduce the area of substrate and to manufacture a thin film circuit device at low cost and at high yield by a method wherein an active element of IC chip, etc., constituting the circuit is sealed airtightly on a pattern of thin film resistor element with a ceramic cap. CONSTITUTION:The thin film resistor 2, a thin film capacitor 3 and the IC chip 5 are connected by thin film conductors 4 to form the thin film circuit on an insulating substrate 1. At this circuit, the IC chip 5 is sealed airtightly with the ceramic cap 6 on the pattern of the thin film resistor 2. Trimming of the function of the passive elements of resistor, capacitor, etc., is made as to be performed after airtight sealing of the cap thereof is finished. Accordingly the degree of freedom of design is enlarged and the area of substrate can be reduced as compared with the method to seal the whole surface of substrate airtightly. Moreover the device can be manufactured at low cost and at high yield.
Patent JP-S61178231-A (JP)
Title: Differential gear engaging operation device of vehicles for wasteland
Inventor: WATANABE HIROMITSU
IPC: F16H48/38
Filed: 1985-02-01
Abstract: PURPOSE:To make a power transmission member settable in parallel with a propeller shaft as well as to simplify its structure ever so easy, by setting up a lock mechanism operating handle for a differential gear of vehicles for wastelant, while connecting this handle to the differential gear via the power transmission member. CONSTITUTION:A differential gear 4 is installed in the point midway in an axle 3 connecting a symmetrical pair of driving wheels 2a in the rear of a car body, and power out of an engine 5 is transmitted to symmetrical axles 3 via a propeller shaft 6a and the differential gear 4. This differential gear 4 consists of a ring gear 20 engaging a small bevel gear 17 at tan end part of the propeller shaft 6a two sets of bevel gears 23 and 24 being supported inside a differential gear case 21 unitized with the gear 20, and it is provided with a lock mechanism 25 consisting of a fixed clutch member 26 and a movable clutch member 27. At the abovementioned, the movable clutch member 27 is fitted in a support tube 27 being retractable via a shifter 30, while this shifter 30 is connected to an operating handle 10 set up at the sideway of the engine 6 via a flexible wire 31, an arm 32 and a rod 33.
Patent JP-H10215590-A (JP)
Title: Disk rotary driver
Inventor: HAMADA TAIZO
IPC: G11B19/20
Filed: 1997-01-30
Abstract: PROBLEM TO BE SOLVED: To improve an efficiency of a motor and to obtain stable rotation by disposing poles on a stator, disposing poles of reverse polarities on opposed surfaces of a rotor and the stator, so that the stator is attracted by the poles to the rotor side, and bringing the rotor into pressure contact with the stator. SOLUTION: This disk rotary driver comprises a stator 2, having a piezoelectric element 4 at one surface side and poles 7, 8 at the other surface side, and a rotor 3 having poles 13, 14 of polarity which is reverse to those of the poles 7, 8 on opposite surfaces of the stator 2. In this case, the rotor 3 is rotatably held on a rotary shaft 17, inserted into a central insertion hole of the rotor 3. The stator 2 is attracted to the rotor 3 side by poles 8, 9 and 13, 14 to bring the rotor 3 into pressure contact with the stator 2. Centers of the poles 7, 8 of the stator 3, i.e., center of the stator 3 is brought to match with those of the poles 13, 14 of the rotor 3, i.e., the shaft 17 of the rotor 3 by mutual actions of magnetic fields from the poles 7, 8 and 13, 14 of the stator 2 an the rotor 3.
Patent JP-H08189007-A (JP)
Title: Road floor excavating device
Inventor: ISHIDA MICHIO
IPC: E01B27/04
Filed: 1995-01-07
Abstract: PURPOSE: To prevent the remaining and leaving of ballast, and to securely recover the ballast. CONSTITUTION: A road floor excavating device is provided with an excavating belt body 1 by which the ballast W forming the road floor M of a roadway under the rails R can be excavated and discharged to the side of the rails, a supporting frame body 4 by which the excavating belt body 1 can be supported so as to be circulatedly traveled, and a propulsion mechanism 9 for walkingly moving the frame body 4. An earth-discharging body 11 is arranged in the rear position in the traveling direction of the excavating belt body 1.  When ballast is excavated by means of the circulating belt body, the earth-discharging body 11 advances while scraping the ballast W in the rear position in the traveling direction of the excavating belt body 1, and the ballast W pushedly advanced by the earth-discharging plate is again brought to the circulatedly traveling part on the front side by the circulatedly traveling part on the rear side of the excavating belt body 1, and again is discharged to the outside.
Patent JP-H01191149-A (JP)
Title: Contact exposure device
Inventor: AKASHI AKIRA
IPC: G03B27/02
Filed: 1988-01-26
Abstract: PURPOSE:To safely and correctly overlap an original and photosensitive material and to expose them by providing a squeeze means air-squeezing a sheet surface on the side fixing the end of original film through a sheet and a vacuum contact suction means for a squeeze area. CONSTITUTION:An exposure plane is composed of the upper surface of a photosensitive material placing table 201 placing and fixing the photosensitive material and the upper surface of an original platen capable of fixing the end of the original film on its one side. The vacuum contact suction means 204 for a squeeze area, and the squeeze means 276 are provided. The means 276 overlaps the photosensitive material and the original, covers a transparent cover sheet thereon, air-squeezes the sheet surface on the side fixing the end of the original film through the sheet. Thus, an exposing device is made compact, adhesion developing when original film of any resolution is multiexposed on photosensitive material, positioning, and original replacement can be carried out speedily and surely. Consequently, an image can be formed quickly on a colored photosensitive material without damaging an original and photosensitive material, and an original can be inspected correctly and appropriately.
Patent JP-H04255989-A (JP)
Title: Semiconductor memory
Inventor: KUMANOTANI MASAKI
IPC: G06F12/06
Filed: 1991-02-07
Abstract: PURPOSE:To provide an semiconductor memory having an inner voltage generating circuit which takes a small occupancy area, has a low power consumption and generates a desired inner voltage. CONSTITUTION:To the semiconductor memory, an external control signal is repeatedly given regardless of an access to this semiconductor memory from outside. The semiconductor memory device contains the inner voltage generating circuit 800 which generates the desired inner voltage in response to an external control signal. The inner voltage generating circuit 800 contains a charge pump circuit 811 for generating the desired inner voltage. The inner voltage may be a negative potential like a substrate bias voltage or may be a voltage boosted above a power supply voltage like a word line boosting signal. Since the construction is such that the inner voltage is generated in accordance with the external control signal, the inner voltage may be generated without the use of an oscillation circuit. Thus, the low power consumption and the small occupancy area of the inner voltage generating circuit is realized. Consequently, the semiconductor memory having a high density and a high integration with the low consuming current and the small occupancy area is obtained.
Patent JP-H08212096-A (JP)
Title: Dynamic constitution optimization system
Inventor: MURAKOSO TAKEAKI
IPC: G06F9/50
Filed: 1995-02-03
Abstract: PURPOSE: To ensure the most effective operation of an information processing system under working in response to its working state. CONSTITUTION: A dynamic constitution optimization system 200 consists of a working parameter change part 201, a state analysis part 202, a state monitor part 203, a working parameter work part 204, a working parameter part 205, an interface part 206 and a working parameter backup file 207. Then the parts 201 and 202 repetitively and trially change the working parameter and analyze the system performance repetitively in a fixed period. As a result, the optimum working parameter is obtained. As the changing job of the working parameter is automated, the artificial working mistakes can be evaded and the operation affecting troubles can be prevented. Furthermore, it is possible to optimize the working parameter while suppressing the influences to jobs.
Patent JP-H11211942-A (JP)
Title: Method for photocoupling planar optical device and optical fiber
Inventor: YOKOUCHI NORIYUKI
IPC: G02B6/42
Filed: 1998-01-29
Abstract: PROBLEM TO BE SOLVED: To easily perform the alignment of an optical fiber and a planar optical device while keeping high coupling efficiency. SOLUTION: This planar optical device is a planar optical device for radiating or making incident light vertical to a substrate 12, and a projection part 18 projected vertically to the rear side of the substrate is provided so that the longitudinal center line can be practically matched with the center line of a beam.  Such a connector 20 for photocoupling is formed as a plate body having a first guide hole 22 vertically extended inward from one plate surface and a second guide hole 24 extended from the other plate surface on that extension, the first guide hole 22 is formed as a hollow part to be fitted with the projection part 18 while having almost the same diameter as the projection part 18, and the second guide hole 24 is formed as a hollow part to insert the optical fiber while having almost the same diameter as the optical fiber to be photocoupled with the planar optical device.  Concerning this photocoupling method, the projection part 18 of the said planar optical device is fitted into the first hollow part of the said connector 20 for photocoupling, the optical fiber is inserted into the second hollow part, and the top end face of the projection part 18 and the coupling end of the optical fiber are abutted and photocoupled directly or through a partition wall.
Patent JP-H02197174-A (JP)
Title: Semiconductor device provided with parallel connection structure of gate drive type cell
Inventor: UENO KATSUNORI
IPC: H01L29/78
Filed: 1989-01-26
Abstract: PURPOSE:To remarkably improve a semiconductor device in yield by a method wherein an island-like gate of each cell and a lower source common wiring which connects source regions of the cells with each other are provided, and a gate common wiring which connects the gates together and an upper common wiring are formed. CONSTITUTION:As a poly-Si gate 12 of each cell is formed into the shape of a square island, the insulation test of each cell is separately performed just after the formation of a lower source common wiring 14. lf it is judged that a gate drive type cell T11 is defective, this test result is stored. And, the removing process of the gate drive type cell T11 is executed after the formation of a gate common wiring 17 and an upper source common wiring 18 has been finished. That is, for instance the base of a branched section 17a of the gate common wiring 17 is cut off by a laser or the like to out off the electric connection between the wiring 17 and the island-like poly-Si gate 12. By this setup, the cell T11 is excluded from a cell parallel structure, so that a power MOSFET or a conduction modulation type MOSFET of a parallel structure composed of non-defective cells can be obtained. An element which is originally treated as a defective because of a defective cell T11 becomes non-defective by removing the defective cell, so that a semiconductor device of this design can attain a high yield.
Patent JP-S60136655-A (JP)
Title: Shift direction change-over valve device in hydraulic unit for belt-type continuously variable transmission
Inventor: AKASHI MITSUO
IPC: F16H61/662
Filed: 1984-01-31
Abstract: PURPOSE:To enhance the response of a shift speed control valve, by setting at least one of positions for positioning a spool valve element, to a half-opening position where the spool valve element opens in part a predetermined port, so that the moving stroke of the spool valve element is made short. CONSTITUTION:A spool valve element 124 comprising a spool shaft 132 and a plurality of spool lands 134A, 134B, 134S having a partly increased diameter in the axial direction of the spool shaft 132, is slidably fitted in a cylinder bore 138 formed in a valve body 136. In comparison with a conventinal arrangement in which the spool valve element 124 is moved until it fully open an input port 139 or a discharge port 141, the stroke of the instant spool valve element 124 is set to such a degree that each port is opened in part, and therefore is made short, thereby it is possible to enhance the response of a spool valve 118.
Patent JP-H08213523-A (JP)
Title: Cooling module and manufacture thereof
Inventor: INAMI TAKASHI
IPC: H05K7/20
Filed: 1995-02-03
Abstract: PURPOSE: To provide a heat dissipating device at a low cost, compact in shape and capable of efficiently cooling a semiconductor, a multichip module, a printed board or the like. CONSTITUTION: Flow path forming members 3 are formed by printing in a space between two boards 1 and 2 providing a gap between them, sealing parts 4 are provided to hermetically seal up a space surrounded with the flow path forming members 3 and the two boards 1 and 2 from the outside air (atmosphere), and the space surrounded with the flow path forming members 3, the two boards 1 and 2, and the sealing parts 4 is filled with operating medium (coolant) to serve as a heat pipe.
Patent JP-S59143367-A (JP)
Title: Charge coupled device and manufacture thereof
Inventor: MUKAI RIYOUICHI
IPC: H01L29/762
Filed: 1983-02-04
Abstract: PURPOSE:To obtain the titled device of a high charge transfer speed by a method wherein the lower transfer electrode composed of a high melting point metal and its silicide is provided on an insulation substrate, and the first Si oxynitride layer, a single crystallized Si layer, the second Si oxynitride layer, and the upper transfer electrode composed of a conductive material are formed on said electrode. CONSTITUTION:A plurality of the lower electrodes 2 composed of MoSi2 are arranged in an array on the quartz substrate 1 at fixed pitch intervals, the first Si oxi nitride layer 3 is adhered by covering said electrodes, and the single crystallized N type Si layer 14 is deposited thereon. Next, the second Si oxynitride layer 5 is adhered thereon, and then the upper transfer electrodes 6 are formed on the layer 5 likewise by using MoSi2, while sliding at half pitches from the electrodes 2. Thus, the single crystallized Si layer 14 is used for a transfer path, thereby increasing the transfer speed.
Patent JP-H04236935-A (JP)
Title: Optical device having visual line detector device
Inventor: NAGANO AKIHIKO
IPC: G02B7/28
Filed: 1991-01-17
Abstract: PURPOSE:To automatically correct the detection error of visual line by an individual difference by providing such a constitution as detecting the optical constant of the eye-ball of an observer by use of a value detected by a visual line detecting means, and using this value to correct the visual line detected by the visual line detecting means by a visual line correcting arithmetic means. CONSTITUTION:A visual line detecting device is formed of a visual line detecting means consisting of an ocular 1, a light receiving lens 4, an infrared ray emitting diode 5, and an image sensor 16, and a visual line arithmetic processing part 9 for calculating the optical constant of an eye-ball from an eye-ball image and conducting the correcting operation of the visual line. The visual line arithmetic processing unit contains an optical constant calculating means, an optical constant memory means for eye-ball, and a visual line correcting arithmetic means, which are the constituting elements of an optical constant detecting means for eye-ball. Thus, the detection error of the visual line by individual differences such as the size of the eye-ball is corrected by properly setting each element, and the detection precision in visual line detection is enhanced.
Patent JP-S59142601-A (JP)
Title: Level discrimination processing system
Inventor: TANAKA SEIGO
IPC: F02D41/14
Filed: 1983-02-03
Abstract: PURPOSE:To discriminate always the level of a signal to be compared most suitably by subjecting the average level of a discrimination level signal, which has the phase shifted from that of the signal to be compared and has the same period as the signal to be compared, to an operation processing for an optimum value in case of level discrimination. CONSTITUTION:A processing circuit 8 receives a detection signal (A) from an oxygen concentration detector 6 and generates a discrimination level signal (b) on a basis of this signal (a). The signal (b) lags behind the signal (a) in the phase, and the high level of the signal (b) is a value attained by subtracting alpha from the maximum value of the signal (a), and the low level of the signal (b) is a value attained by adding beta to the minimum value of the signal (a). In this case, the value alpha is equal to a preliminarily determined value alpha0, and the value beta is equal to a preliminarily determined value beta0. The signal (a) has the level discriminated by the signal (b), and an injection quantity is corrected on a basis of this discrimination to approximate it to a logical air fuel ratio.