baber/WOPTO huggingface dataset:
Patent JP-H10134681-A (JP)
Title: Pressure switch and its manufacture
Inventor: KAWADA YASUYOSHI
IPC: H01H11/00
Filed: 1996-10-30
Abstract: PROBLEM TO BE SOLVED: To set the operating pressure to the prescribed pressure for assembling and improve a yield by adjusting the load deforming a flange section provided on the periphery of the curve section of a diaphragm and inverting the curve section. SOLUTION: A clearance section 50 of a ring-like groove having a circular arc-like cross section is formed on the bottom face 40 of the head section 32 of a body 30, and a diaphragm 50 is formed on it. The radius of curvature of a curve section 54 formed at its center section is set small in advance so that a peripheral ring-like flange section 56 is airtightly fitted to the bottom face 40 and the curve section 54 is inverted by the pressure slightly higher than the prescribed pressure. An insulator member 58 fitted in the recess 31 of the head section 32 is airtightly arranged by an O-ring 74 in the circular groove 72 at a side section, and a press section 70 corresponding to the clearance section 50 is integrally formed on a bottom face 60A.  When the insulator member 58 is fitted via the caulking of the opening peripheral end section 78 of the head section 32, an adjustment is made so that a part of the flange section 56 is thrust into the clearance section 50 and the curve section 54 is expanded and inverted by the prescribed pressure, and a machining error is absorbed.
Patent JP-S62146431-A (JP)
Title: Magnetic recording medium
Inventor: MARUTA FUMIO
IPC: G11B5/738
Filed: 1985-12-21
Abstract: PURPOSE:To realize a recording medium which has excellent durability, wear resistance, etc., and obviates an attraction by successively laminating a carbon protective film, and a top coat layer consisting of a prescribed material as a lubricating agent on a magnetic metallic layer on a substrate. CONSTITUTION:An underlying layer 3 and an intermediate layer 4 consisting of a nonmagnetic metal is provided on the nonmagnetic substrate 2 consisting of aluminum, etc., and the thin magnetic metallic film layer 5 and a protective film 6 consisting of a nonmagnetic metal are formed thereon. The carbon protective film 7 and the top coat layer 8 contg. perfluoropolyether as the lubricating agent are successively laminated thereon. The top coating is executed by spin coating, etc., to 50-150Angstrom  thickness. Since the carbon protective film 7 and the top coat layer 8 are provided in the above-mentioned manner, the recording medium which has the excellent durability, wear resistance, weatherability and corrosion resistance and obviates the generation of the head attraction is realized.
Patent JP-H01171081-A (JP)
Title: Document reading system
Inventor: UIRIAMU KAARU MAATEIN
IPC: G06V10/98
Filed: 1988-11-17
Abstract: PURPOSE: To consider an economical influence of substitution error and rejection to improve the overall efficiency of the operation of a document read system by providing a decision logic device having a device which selects characters generated by a second logic device approximately at random by the probability having the value of 0 or one. CONSTITUTION: Magnetic characters processed by a first character read system 10 and a character recognition logic device 11 related to the system 10 are indicated by an arrow 20 successifully recognized by the first read system and are called 'good document'. A document including rejection characters caused by recognition impossibility of characters in the first read system is processed by a second read system 40 or is classified as rejection and is processes by a decision logic device 30 which selects whether it should be guided by a rejection pin 33 or not. Thus, an economical influence of substitution error and rejection is considered to improve the overall efficiency of the operation of the document read system.
Patent JP-H02134725-A (JP)
Title: Magnetic disk
Inventor: KOBAYASHI ATSUO
IPC: G11B5/64
Filed: 1988-11-16
Abstract: PURPOSE:To inexpensively produce the magnetic disk suitable for high-density recording by a simple process by patterning magnetic layers on concentrical circles by a laser. CONSTITUTION:The magnetic disk 4 is chucked on a stage and is rotated at high variable speeds with high accuracy. As excimer laser, CO2 laser or YAG laser is used as a laser light source and the magnetic disk 4 is precisely fed by a feed motor 6 by which the concentrical patterns are formed on the disk 4. The concentrical magnetic patterns 9 and weekly magnetic patterns 10 are formed on the disk in this way and the magnetic disk suitable for high-density recording is inexpensively produced by the simple process.
Patent JP-H02135542-A (JP)
Title: Test circuit for microcomputer incorporated with eprom
Inventor: OTA MASAYA
IPC: G06F15/78
Filed: 1988-11-15
Abstract: PURPOSE:To effectively use a microcomputer terminal by providing first and second switching circuits operating complementary, and making a prescribed level signal impressed to an oscillating terminal into an internal circuit evaluating test signal through a second switching circuit when a self-travel oscillation by means of an oscillating circuit is prohibited. CONSTITUTION:An analog gate (the first switching circuit) is composed of an N-MOS 3 and a P-MOS 4 obtained by connecting two drain source paths, the operations of an N-MOS 21 and a P-MOS 22 constituting the second switching circuit are controlled by the Q terminal output of a latch circuit 20, and the N-MOS 21 and P-MOS 22 complementary operate. When the second switching circuit 22 complementary operates based on the data of an EPROM 18, and the self-travel oscillation by means of the oscillating circuit is prohibited, the prescribed level signal impressed to an oscillating circuit 2 is made into the internal circuit evaluating test signal through the second switching circuit. Thus, the oscillating circuit can be used both for the self-travel oscillation and the internal circuit evaluation, and the terminal of the one-chip microcomputer can be effectively used.
Patent JP-H10123496-A (JP)
Title: Liquid crystal display device and its production
Inventor: KIM JEONG HYUN
IPC: G02F1/1343
Filed: 1997-10-06
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal display device which forms microlenses for refracting incident light so as to pass the light transparent parts of a first substrate without being shut off by the light opaque parts this first substrate on the over coating layers of a second substrate. SOLUTION: This liquid crystal display device includes the first substrate 110 formed with the light transparent parts and the light opaque parts, the second substrate 120 and the liquid crystals injected between the first and second substrates. The second substrate 120 includes black matrices 121, color filter layers 123, the over coating layers 125 and oriented films 128. The over coating layers 125 for refracting the light made incident on the light opaque parts are formed at the microlenses and the light to be shut off by the light opaque parts is refracted by the microlenses and is transmitted through the light transparent parts. Then, the effect for improving the light transmittance is obtd. in the liquid crystal display device of a transverse electric field system.
Patent JP-S62149142-A (JP)
Title: Gang bonding method
Inventor: ANDO TETSUO
IPC: H01L21/60
Filed: 1985-12-24
Abstract: PURPOSE:To prevent the yield of defective devices, by mounting a chip on the mounting surface of a stage through an elastic member, sucking the chip, compressing the chip with a tool, thereby applying the pressure uniformly all the time. CONSTITUTION:Metallic protruded parts 2 are provided on either of the electrode part of a semiconductor chip 1 or leads 4. The chip 1 is mounted on a stage 22. A tape carrier 5, on which the leads 4 are formed, is overlapped and compressed with a tool 21. Thus bonding is performed. At this time, an elastic body 24 is provided between the chip 1 and the stage 22. Even if a mounting surface 23 of the stage 22 and the pressure applying surface are not parallel like a conventional method, the protruded parts 2 are aligned with the pressure applying surface owing to the deformation of the elastic body 24 with respect to the pressure applying surface. Therefore the pressure is applied uniformly. Thus the yield of defective devices can be prevented.
Patent JP-H08126599-A (JP)
Title: Scraper device
Inventor: KAWAI NORIO
IPC: B08B1/00
Filed: 1994-10-28
Abstract: PURPOSE: To enable a worker to perform a work for scraping and cleaning an adhering substance easily and quickly in an optimum posture, and carry out the work functionally and at low cost. CONSTITUTION: A scraper blade 8 jointed to the lower end of an operation lever 3 and reciprocally actuated with a prime mover 4 along the axial direction of the lever 3, is provided, together with a clamping member 13 faced to the blade 8 in such a state as capable of freely opening and closing for clamping an adhering substance scraped with the blade 8 via a resilient spring force. Also, an open/close operation means K is laid, in such a manner as to be capable of opening and closing the member 13.
Patent JP-H0697442-A (JP)
Title: Thin film transistor
Inventor: NAKAMURA NOBUHIRO
IPC: H01L29/78
Filed: 1992-10-02
Abstract: PURPOSE:To improve the electric property of a film transistor. CONSTITUTION:The two layers of a first gate insulating film 12 and a second gate insulating film 13, 8X10<11>(cm<2>.eV)<-1> in defect level density are interposed between a semiconductor film 11 and a gate electrode 14, and besides the specific inductive capacity of the second gate insulating film 12 is 10% or more enlarged more than that of the first gate insulating film 13.
Patent JP-H07302846-A (JP)
Title: Semiconductor memory device
Inventor: KIN KANSHIYU
IPC: H01L21/8244
Filed: 1993-11-18
Abstract: PURPOSE: To reduce the off-current of a load element and to increase the on- current, by forming a conductor such as a grounding line of memory cells or a power source like of a stable potential to face an offset region each other putting an insulating layer in between and to operate to the offset region as a gate or a shield plate. CONSTITUTION: A gate 23 is formed under a conductive layer which is comprised of a source 24, a drain 25 and a channel region 26 by putting at insulating layer 22 in between, and a PMOS thin film transistor is comprised. An offset region X having a proper length is formed at the side of the drain 25 in the channel region 26. A ground line 21 of SRAM cells is so formed as to face each other putting the insulating layer 22 in between.
Patent JP-2001105074-A (JP)
Title: Shrink type roll-forming round die
Inventor: FUKUDA NOBUHISA
IPC: B21H5/00
Filed: 1999-10-12
Abstract: PROBLEM TO BE SOLVED: To provide a roll-forming round die without loosing between an annular die part at the outer peripheral side and a core part at the inner peripheral side at a low cost. SOLUTION: The roll-forming round die 10 is fitted to the outer periphery of a base part 20 in the state of expanding the metallic annular die part 24 by heating. Since the annular die part 24 having the inner peripheral surface 22 of the diameter smaller than the outer peripheral surface 18, is firmly fitted to the outer peripheral surface 18 of the base part 20 by shrinkage-fitting the annular die part 24 shrunk with the cooling in this state, the annular die part 24 at the outer peripheral side and the core part 20 at the inner peripheral side, are firmly connected without the screw formation for screw connection and loosing preventing mechanism. In the case the wear and the defect are caused, since only the annular die part 24 can be exchanged, the roll-forming round die 10 is obtained in a low cost.
Patent JP-H03150901-A (JP)
Title: Cross polarized wave compensation device
Inventor: MIYABAYASHI TETSUYA
IPC: H01P1/161
Filed: 1989-11-07
Abstract: PURPOSE:To easily obtain degree of excellent cross polarized wave identification by eliminating cross polarized wave interference caused by leakage of an orthogonal polarized wave component. CONSTITUTION:A signal extracted by a power distributer 13 to extract part of the inputted signal passes respectively through a variable phase shifter 15 and a variable resistance attenuator 14 at the orthogonal polarization side and synthesized with a signal including the cross polarization component from the power distributer 13 at the. power synthesizer 12. The cross polarized component of the signal is cancelled so that the variable phase shifter 15 and the variable resistance attenuator 14 are adjusted to produce the signal component of the same phase and the same amplitude as those of the cross polarized component and the cancelled signal is outputted to a V polarized wave output terminal 2 or an H polarized wave output terminal 3. That is, the cross polarized wave interference caused by the leaked orthogonal polarized wave component is eliminated and the excellent degree of the cross polarized wave identification is easily implemented.
Patent JP-H03153466-A (JP)
Title: Rear-wheel steering device for vehicle
Inventor: OMURA HIROSHI
IPC: B62D7/14
Filed: 1989-11-06
Abstract: PURPOSE:To improve the high-speed promotion of an initial check and controllability by controlling a rear-wheel steering control means into a steering ratio of two-wheel steering when judging that there is car speed at the initial check, but into a steering ratio of the maximum value of opposite phase when judging that there is no car speed. CONSTITUTION:A rear-wheel steering system 4 of a four-wheel steering system is provided with a steering ratio variable means 12, a power steering means 13, a rear- wheel steering shaft 14 or the like, and it controls a steering ratio so as to set it to opposite phase at time of low speed and the same phase at time of high speed by a control means 28 after receiving an output signal of a car speed sensor 27. In this case, a car speed judging means 28b, receiving output of the car speed sensor 27 and judging the presence of car speed by periodic operation is installed in the control means 28. In addition, there is provided with a rear-wheel steering control means 28a which receives the judged result and each output of the car speed sensor 27 and a steering ratio sensor 29, and controls it so as to be come the steering ratio of two-wheel speed with the presence of car speed judged at time of an initial check as well as to make the steering ratio come to the maximum value of opposite phase with no car speed judged.
Patent JP-S62147351-A (JP)
Title: Method for detecting freezing in water
Inventor: TEFUN MOTOHISA
IPC: G01N27/00
Filed: 1985-12-23
Abstract: PURPOSE:To make it possible to detect the presence or quantity of ice, by placing an electrode at the appropriate position in water and detecting the change of a current flowing to the electrode. CONSTITUTION:In order to detect the presence of ice, the leading end part of an electrode 12 is set at the predetermined position in water and an electrode 13 is set to the appropriate position in water. A cooling medium is made to flow through a cooling pipe 15 while the current flowing between the electrodes 12, 13 is detected to cool water. Whereupon, ice 7 is formed to the surface of the cooling pipe 15 and gradually grows with the elapse of time to become thick and reaches the leading end part of the electrode 12 beforehand to cover said part. At this time, the leading end part of the electrode comes to the same state as that covered with an insulator and the electric resistance between the electrodes 12, 13 markedly increases and a current is reduced. Then, this current change is detected by a current detector 11 to make it possible to detect that the thickness of ice reached the leading end part of the electrode 12.
Patent JP-H03152634-A (JP)
Title: Debugging device
Inventor: SHIMIZU GIICHI
IPC: G06F11/28
Filed: 1989-11-09
Abstract: PURPOSE:To improve the debugging job efficiency and to shorten the debugging time by freezing sequentially the actions of a device to be debugged within a range of write allowance value of a trace buffer and analyzing the trace data. CONSTITUTION:A device 3 to be debugged starts its action and a trace function control part 20 actuates an address generating part 15 and a trace buffer 11 to successively store the trace data. The part 15 detects the write allowance value of the buffer 11 and informs it to the part 20. Then the part 20 outputs an action freezing signal to a processor 31 of the device 3. Thus the action of the processor 31 is frozen after a fixed data transfer cycle is completed. Then the part 20 informs a debugging part 12 of the end of write of the trace data, and the part 12 reads out the trace data and analyzes them. When these actions are repeated, the freezing and the restart are repeated for the action of the processor 31 even though a fixed quantitative limit is applied to the trace data that can be stored in the buffer 11. Then the part 12 can analyze the action of the processor 31.
Patent JP-H09107290-A (JP)
Title: Digital-analog conversion circuit device
Inventor: KUSHIBE HIDEFUMI
IPC: H01L27/04
Filed: 1995-10-12
Abstract: PROBLEM TO BE SOLVED: To easily correct the error of digital-analog conversion and to realize the increase/reduction of the number of bits and the dynamic range conversion. SOLUTION: A voltage-current conversion circuit 106, a PLL circuit 112 provided with a current-frequency conversion circuit 107 and an n-bit binary counter 111, and a current-voltage conversion circuit are provided, and the output current of the voltage-current conversion circuit 106 is converted into a frequency by the current-frequency conversion circuit 107, and this frequency is divided by the n-bit binary counter 111, and the divided output is inputted to this digital-analog conversion circuit as the digital input, and the constant current bias voltage generated by the voltagecurrent conversion circuit 106 is taken as the input of the current-voltage conversion circuit.
Patent JP-H09106152-A (JP)
Title: Image forming device
Inventor: MARUTA TAKAYUKI
IPC: G03G15/02
Filed: 1995-10-11
Abstract: PROBLEM TO BE SOLVED: To provide a color copying machine capable of preventing the unnecessary sticking of a developer to a photoreceptor, when the developer on a developing roller is brought into contact with or separated from the photoreceptor, even if the characteristic of the photoreceptor is changed or the potential by electrification of the photoreceptor is switched at every developing unit. SOLUTION: The color copying machine provided with a revolver rotating motor and a developing revolver driving part 506 for moving a desired developing unit to a developing position, developing bias supply for applying a developing bias to the developing roller and a developing bias control driving part 502, is provided with a potential sensor 204 detecting the potential by electrification of the photoreceptor and a control part 500 controlling the developing bias control driving part 502, to switch the developing bias applied when the developer on the developing roller is brought into contact with or separated from the photoreceptor, to the developing bias for generating an electric field for making the movement of the developer on the developing roller to the side of the photoreceptor harder than that by the developing bias used in forming an image,  based on the results of the detection of the potential sensor 204.
Patent JP-H08129709-A (JP)
Title: Magnetic head
Inventor: SATO HEIKICHI
IPC: G11B5/23
Filed: 1994-10-31
Abstract: PURPOSE: To improve an adhesion property by providing winding grooves of a magnetic head with curved parts for curving ferromagnetic metallic thin films to a sharp angle in section, thereby preventing the action of the stresses at the time of forming the thin films and the thermal stresses at the time fused glass is packed into track width regulating grooves in a fixed direction. CONSTITUTION: This magnetic head is formed by bringing the ferromagnetic metallic thin films 4, 5 formed on the butt surfaces 2a, 3a of a pair of magnetic cores 2, 3 to join and integrate these cores and have a magnetic gap operating as a recording and reproducing gap on these butt surfaces 2a, 3a. The magnetic head 1 is formed with the curved parts 11, 11 for curving the ferromagnetic metallic thin films 4, 5 to the sharp angle in the sloped parts 6a of the winding groove 6. The curved parts 11, 11 are formed in order to prevent the peeling of the metallic thin films 4, 5 and are formed at the sharp angle 82 in section in such a manner that the X side and the Y side are opened to the butt surfaces 2a, 3a of the respective magnetic core half bodies 2, 3.  Then, the stresses are parted and even if the peeling arises on the one Y side of the sharp angle θ2, the flow of the peeling is parted and does not affect the X side.
Patent JP-2001108924-A (JP)
Title: Device and method for forming multicolor image
Inventor: TADA NAOYUKI
IPC: B41J2/525
Filed: 1999-10-13
Abstract: PROBLEM TO BE SOLVED: To correct color drift when a multicolor image is formed, by simple constitution. SOLUTION: Upon lowering a processing speed to 1/2-fold with respect to a normal picture mode in order to form an image to a thick paper on an OHP, a scanning line is inclined in a sub-scanning direction and a color drift quantity becomes larger (See Fig. 7 (B)) than the normal picture mode (See Fig. 7 (A)). In a high-quality picture and half speed mode, a processing speed is set to be 1/2-fold, apparent writing density (the number of scanning lines) in the sub- scanning direction is doubled (See Fig. 7 (C)) and a scanning line of a reduced color drift quantity is selected (See Fig. 7 (D)) concerning each color of Y, M, C and K. Thus, a color drift quantity when the image is formed to the thick paper or the OHP can be reduced by about 32% and a high-quality image can be obtained.
Patent JP-H11126409-A (JP)
Title: Optical disk device
Inventor: GOTO SUGURU
IPC: G11B19/00
Filed: 1997-10-23
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk device capable of preventing an optical pickup section from being damaged by the discharging of static electricity during the replacing of an optical disk. SOLUTION: This device is provided with a mechanical base 105 for supporting and loading mechanism parts, a conductive sheet 115 arranged on a surface opposed to a carriage 102 and connected to the reference potential of a casing, the carriage 102 having a photoelectric converting means and moved in the radial direction of an optical recording medium, an insulating cover 112 for covering a surface opposite the optical recording medium, a cover conductive layer 113 for covering the surface of the cover 112 and a contact member 114 electrically connected to a cover conductive layer 113 and arranged to so as to be protruded toward the conductive sheet 115, and the contact member 114 and the conductive sheet 115 are arranged so as to be brought into contact with or approach each other.
Patent JP-H09117090-A (JP)
Title: Electric wheel motor
Inventor: SUGAYA HIROO
IPC: H02K9/02
Filed: 1995-10-13
Abstract: PROBLEM TO BE SOLVED: To provide an electric wheel motor in which the cooling capacity can be enhanced without complicating the structure. SOLUTION: The housing 60 of an electric wheel motor 1 is aluminum diecast and comprises an outer case 61, an inner case 62 and a partition case 63 interposed between them. The joint faces between the outer and inner cases 61, 62 and the partition case 63 is applied with a liquid packing about 5μm thick excellent in thermal conductivity. The partition case 63 is fixed with a stator 7 and the heat radiation face of a power transistor 25a mounted on a second board 25 is brought into tight contact with opposite faces on the inside of partition case 63. Consequently. the heat generated in the partition case 63 located in the center of housing 60 is transmitted well to the outer and inner cases 61, 62 through the liquid packing excellent in thermal conductivity and the heat is radiated entirely from the outer surface of housing.  Heat is also radiated from the fixing part comprising a threaded hole part 62e to the car body side.