baber/WOPTO huggingface dataset:
Patent JP-2000148073-A (JP)
Title: Matrix type display device
Inventor: AIBA HIDEKI
IPC: G09G3/30
Filed: 1998-11-06
Abstract: PROBLEM TO BE SOLVED: To provide a matrix type display device which can be inversely gamma-corrected by improving the driving method. SOLUTION: On a display panel 10, plural rows and columns of light emitting elements are arranged in a matrix form. A PWM circuit 4 and a shift register 7 supply the display panel 10 with a driving waveform corresponding to an image data to be displayed with each light emitting element, and drive each light emitting element. The driving waveform is ramped so that each light emitting element has an inverse gamma characteristic, by cutting off a ramping voltage generated by a waveform generating circuit 8 by the pulse from the PWM circuit 4.
Patent JP-S63163360-A (JP)
Title: Electrophotographic sensitive body
Inventor: TAMAKI KIYOSHI
IPC: G03G5/06
Filed: 1986-12-25
Abstract: PURPOSE:To enhance ultraviolet ray interruption effect and oxidation resistance by incorporating a specified compound in a photosensitive layer to be formed on a conductive substrate. CONSTITUTION:The photosensitive layer of the electrophotographic sensitive body formed on the conductive substrate 1 contains an electric charge generating material 5 and a charge transfer material 6 and the compound represented by formula I in which R is halogen atom which may be substituted with hydrogen, OH, alkyl, or alkoxy group; R' is R which may be substituted with hydrogen, or carboxy group; each of (m) and (m') is 0-4; each of (n) and (n') is 0 or 1; and when each of (m) and (m') is >=2, each of R may be same or different, thus permitting the obtained organic photoconductive sensitive body to be applied to the cases of positive and negative charging, and to be superior in sensitivity, resistance to environmental conditions, especially, in resistances to ultraviolet rays and oxidation, and in the durability of physical properties.
Patent JP-H07136488-A (JP)
Title: Asphalt emulsifier composition
Inventor: NAKAMURA YOSHINOBU
IPC: C09K23/46
Filed: 1993-11-24
Abstract: PURPOSE:To obtain the emulsifier compsn. excellent in stability and mixing properties when cement is mixed accompanied by the recycle use of a road paving material by using a compd. having a specific structure as an emulsifier of an asphalt emulsion. CONSTITUTION:A compd. represented by the formula (wherein R is an alkylphenyl group having a 8-12C alkyl group, R' is a methyl group, an ethyl group, a hydroxyethyl group or a hydroxypropyl group and n is an integer of 5-200) is used as an emulsifier of an asphalt emulsion. This emulsifier is easily obtained by halogenating the terminal OH group of a nonionic surfactant obtained by adding 5-200mol, pref. 20-70mol of ethylene oxide to 1mol of alkylphenol by thionyl halide and reacting dimethylamine or the like with the halogenated surfactant and dehalogenating the reaction product by alkali. This emulsifier is used as an org. acid salt such as acetic acid or an inorg. acid salt of phosphoric acid and shows excellent emulsifying effect in small quantity and is excellent in the close adhesion with aggregate.
Patent JP-H03175503-A (JP)
Title: Positioning error correction system
Inventor: TAKANASHI NOBUAKI
IPC: G05B19/4093
Filed: 1989-12-04
Abstract: PURPOSE:To improve the absolute positioning precision of a multijoint arm by forming a machine error model of the multijoint arm on a network by learning to correct the positioning error even in the case of driving to an unlearnt area. CONSTITUTION:This system consists of a coordinate system inverse transforming means 2 which takes movement target coordinates in a rectangular coordinate system as the input and outputs the joint displacement in a joint coordinate system, an error correcting means 1 which takes these movement target coordinates 10 as the input and outputs a joint displacement correction value, and a joint displacement output means 3 which adds the joint displacement and the joint displacement correction value. In this case, an error converting means 4 is provided which takes movement target coordinates 10 in the rectangular coordinate system and an actual coordinate measured value 30 of the front end of the multijoint arm as first and second coordinates to output a correction joint displacement error 23 corresponding to the difference between first and second coordinates for the purpose of converting the positioning error in the rectangular coordinate system of the front end of the arm to the joint displacement error in the joint coordinate system. Thus, the operation of the multijoint arm is only measured to improve the absolute positioning precision without complicated arm model calculation.
Patent JP-H11132222-A (JP)
Title: Sliding body
Inventor: NEMOTO AKIRA
IPC: F16C11/06
Filed: 1997-10-31
Abstract: PROBLEM TO BE SOLVED: To restrain the occurrence of looseness of an assembled ball joint, and to permanently obtain desired swinging torque by forming cutout-shaped plural slits extending to one end part side of a sliding body and incline to the axis on a sliding body. SOLUTION: A sliding body 12 extends up to this side of the other end part 14 from one end part 14, and cutout-shaped plural slits 15 inclining to the axis, form a clearance by communicating inner periphery with outer periphery of the sliding body 12. The slits 15 extend up to this side of both end parts 14 and 14. Therefore, since a desired preload can be applied in its axial direction and the radial direction by the axial directional and radial directional contracting action of the sliding body to an axial directional preload, even if an inner spherical surface of the sliding body is abraded, looseness is not caused, and sufficient torque can be permanently obtained.
Patent JP-H01157725-A (JP)
Title: Method for generating high impact liquid pressure
Inventor: ENDO AKIO
IPC: B21D26/06
Filed: 1987-12-16
Abstract: PURPOSE:To efficiently convert the combustion energy of a gun powder into a kinetic energy by using the flat head bullet of the integrated ball cartridge assembled in a cartridge body as a projectile in case of generating a high impact liquid pressure by shooting a high speed projectile into a liquid medium. CONSTITUTION:A gun barrel 11 is fitted to a firing device fitting frame 8 to insert an integrated ball cartridge 4. When a firing pin is then struck a percussion cap for gun is initiated to ignite the gun powder charged to a cartridge case and a combustion gas is generated. The gas pressure inside the cartridge case is increased, a flat head bullet progresses inside the gun barrel 11 with accelerating and rushed into a liquid medium 21. At this time, an impact wave is generated inside the liquid medium 21 to press the metal thin sheet 23 placed on the floor die 25 upper part to the floor die 25 and the thin metallic sheet 23 is formed in the necessary shape.
Patent JP-H03176848-A (JP)
Title: Vtr control head driver
Inventor: IDA SHIZUO
IPC: G11B15/52
Filed: 1989-12-04
Abstract: PURPOSE:To keep a recording current for the control track of a VTR constant and to stably perform magnetization by keeping a current being allowed to flow in a head coil constant. CONSTITUTION:Constant current sources 16, 18 are provided that are the constant current sources to make PNP TRs 1, 3 into constant currents and which supply the base currents for diodes 5, 8, 10, and 13, NPN TRs 6, 11, constant current sources 15, 17, and npn TRs 7, 12 which drive npn TRs 2, 4 that are drivers, and the TRs 2, 4. Then, the PNP TR part of a current driver to allow current to flow in the head coil 20 is made into the constant current. Therefore, the current in the head coil 20 can be kept constant even when a source voltage is fluctuated or the resistance of the head coil itself is fluctuated. In such a way, it possible to permit the current to flow in the head coil 20 and to stabilize the magnetization of a control track.
Patent JP-H06151229-A (JP)
Title: Welding method for lead terminal
Inventor: KIMURA YOSHIKATSU
IPC: H01G13/00
Filed: 1992-10-30
Abstract: PURPOSE:To obtain sufficient welding strength even in the state of solder welding when a lead terminal is laser-welded on the case of an electric double layer capacitor and the like. CONSTITUTION:When a lead terminal 3, on the surface of which solder plating is provided, is going to be welded to the case 1a of an electric double layer capacitor and the like by laser welding, voids G are securely formed on the circumference of the welding part of the lead terminal 3, and the solder gas generated when a welding operation is conducted is dispersed through the voids G.
Patent JP-H03175888-A (JP)
Title: Video signal processing circuit
Inventor: HIRASHIMA SATOSHI
IPC: G09G3/36
Filed: 1989-12-05
Abstract: PURPOSE:To obtain stable picture quality even under any range of temperature by providing a gamma correction circuit at a video signal circuit, and performing the gamma correction of a video waveform fitted in a liquid crystal panel by using plural temperature detect ing elements. CONSTITUTION:Video signal input 20 is amplified with a video amplifier 21, and is converted to a luminance signal 32 and a chrominance signal 33 at a Y/C separation circuit 22. Then, they are converted to an R signal 34, a G signal 35, and a B signal 36 at a chrominance signal processing circuit 23, and are inputted to the gamma correction circuit 24, and are gamma corrected. The circuit 24 performs temperature correction by using two thermistors, thereby, the angle of the gain folding point of the gamma correction can be increased as increasing temperature as preventing the increment of amplitude occurring. Then, the circuit 24 always performs the 7 correction of the video waveform to the one fitted in the liquid crystal panel by using the thermistors that are the plural temperature detecting elements. Thereby, the curve and the amplitude of the 7 correction are interlocked with each other and follow the temperature change of a transmission factor, and the stable picture quality is obtained even under any range of temperature.
Patent JP-H08176835-A (JP)
Title: Formation of plating layer on glass or ceramic substrate
Inventor: MIURA TAKESHI
IPC: H05K3/18
Filed: 1994-12-20
Abstract: PURPOSE: To considerably improve the adhesion of a plating layer to a glass or ceramic substrate by coating the top of the substrate with a coating material contg. a Cu or Ag salt, drying and firing the coating material and carrying out electroless plating or electroplating. CONSTITUTION: The top of a substrate made of glass such as silicate glass or ceramics such as alumina ceramics is coated with a coating material contg. a Cu or Ag salt by gravure printing or other method. The coating material is dried at about 80-160 deg.C and fired at about 300-700 deg.C and then electroless plating or electroplating is carried out. The objective plating layer having easily and considerably improved adhesion to the substrate is formed.
Patent JP-H09161786-A (JP)
Title: Hydrogen storage alloy electrode
Inventor: IKEGAMI TAKASHI
IPC: H01M4/62
Filed: 1995-12-05
Abstract: PROBLEM TO BE SOLVED: To suppress the rise of the battery internal pressure and the rise of the battery temperature when an incorporated battery is charged by covering the surface of a hydrogen storage alloy powder layer. with nickel powder having a specific Fischer size. SOLUTION: A hydrogen storage alloy powder layer is carried on a conductive substrate, and the surface of the hydrogen storage alloy powder layer is covered with the nickel powder with a three-dimensional chain-like structure having the Fischer size of 3.0μm or below. The nickel powder allows the oxygen gas generated on a positive electrode and reaching the surface of a hydrogen storage alloy electrode to quickly react to the hydrogen stored in the hydrogen storage alloy on the electrode surface to be reduced to water and suppresses the rise of the battery internal pressure. The nickel powder is manufactured when nickel carbonyl vapor is thermally decomposed, and it has a three- dimensional chain-like structure such as the carbon black structure.
Patent JP-H05150636-A (JP)
Title: Developing device
Inventor: TAKAGI OSAMU
IPC: G03G15/08
Filed: 1991-11-30
Abstract: PURPOSE:To reduce stress on toner, to prevent the unevenness of electrostatic charge of the toner, which occurs because the toner which is not used for development remains on a toner carrier, and to stably perform the excellent development without the unevenness of developing density, and to miniaturize a device. CONSTITUTION:Two-component developer D consisting of carrier C and toner T in a hopper 3 is successively fed to the toner carrier 5 side by the rotation of the sleeve 10 of a magnet roll 7. The toner T is shifted to the toner carrier 5 side by electrostatic force, and the toner T carried on the peripheral surface of the toner carrier 5 is fed to a position where an image should be developed on a photosensitive drum 2 side with the rotation of the toner carrier 5, and electrostatically scattered to develop a latent image formed on the drum 2. On the other hand, the toner T which is not used for the development and remains on the toner carrier 5 passing the position where the image should be developed is electrostatically recovered by the magnet roll 7.
Patent JP-H08172464-A (JP)
Title: Carrier phase control circuit
Inventor: KAKO TAKASHI
IPC: H04L27/38
Filed: 1994-12-20
Abstract: PURPOSE: To suppress the generation of the communication error of a superhigh speed modem and to remarkably improve the characteristic by providing the carrier phase control circuit composed of a frequency offset prediction part and a phase segment fluctuation elimination part on the reception side of a transmitter. CONSTITUTION: A carrier phase control circuit 1A is provided on the reception side of a transmitter and is interposed between an automatic equalizer 2 and a signal decision part 3. The circuit 1A is composed of a frequency offset prediction part 4 and a phase segment fluctuation elimination part 5. The prediction part 4 predicts the deviation of the frequency of a transmission signal based on the output of the equalizer 2 and eliminates the deviation, the elimination part 5 predicts the phase segment fluctuation of the transmission signal based on the output of the prediction part 4 and eliminates the fluctuation, and the outputs are inputted in the decision part 3. Therefore, for the signal from the equalizer 2, the frequency offset and the phase segment fluctuation can be eliminated. When the circuit is applied to a superhigh speed modem, the generation of a communication error is suppressed and the characteristic of the modem can be remarkably improved.
Patent JP-H07146154-A (JP)
Title: Navigation apparatus for car
Inventor: AOYANAGI TETSUJI
IPC: G02B27/01
Filed: 1993-11-24
Abstract: PURPOSE:To visually confirm information on a road map or the like easily in such a way that a driver does not turn his eyes away from the forward view by a method wherein map information which includes a present position is displayed inside the visual field of the driver during a driving operation. CONSTITUTION:A head-up display part 34 and an at-hand switch 32 for the steering wheel, which is for operating the are installed additionally to an ordinary navigation apparatus. The switch 32 turns on and off the display part 34 via a head-up-display-part drive circuit, and, in addition, it selects the explanation of an information content by speech and the display of a turning corner for the destination. A head-up-display-part body 36 projects a laser beam for a hologram on the basis of information on, e.g. a road map or the like, the laser beam is refracted by a hologram sheet 38, and a display content (a real image) 42 is generated at the front of the front glass 40.
Patent JP-H10164730-A (JP)
Title: Branching connection box
Inventor: MURAKAMI HIROSHI
IPC: H05K3/30
Filed: 1996-11-28
Abstract: PROBLEM TO BE SOLVED: To support the supporting condition of a terminal stably and prevent cracking from occurring at the soldered part of a terminal soldered to a printed circuit board. SOLUTION: This connection box is provided with a collector block 7 whose terminal 4 is formed vertically, the bottom wall part 6 of a connection box case 3 which supports the base end part of the connector block 7, and a printed circuit board 5 which is fitted under the bottom wall part 6 and to which the base end part of the terminal 4 is soldered. The terminal 4 is supported against the bottom wall part 6 so as to be in a vertically fitted condition by forming a terminal supporting hole 9. The printed circuit board 5 is formed out of a raw material having expandability, and a clearance 11 is formed between the printed circuit board 5 and the bottom wall part 6, thus it is possible to absorb thermal stress working with a difference in thermal expansion coefficient between them.
Patent JP-H072412-A (JP)
Title: Sheet processor
Inventor: NAGASHIMA TERUO
IPC: B65H1/26
Filed: 1993-12-17
Abstract: PURPOSE:To provide a sheet processor of a facsimile device or the sheet processor of a printer and the like, in which each tray is provided on the upper part of a device main body so that the setting space of the device is reduced, and which has a structure in which a sheet on the tray is easily seen. CONSTITUTION:A sheet processor is provided with a device main body 1 for processing sheets fed thereto, a feeding tray 3, which is provided on the upper surface of the device main body 1, and by which sheets are deposited and are fed to the device main body, and a discharge tray 5, which is provided in the rear of the feeding tray 3, and by which a sheet S discharged from the device main body 1 is received. The feeding tray 3 and the discharge tray 5 are set in the relationship in which the discharge tray 5 is seen from the feeding tray 3 from the front.
Patent JP-H09154684-A (JP)
Title: Metal plate-fixed show plate
Inventor: AHARA TOSHIAKI
IPC: A47F5/11
Filed: 1995-12-06
Abstract: PROBLEM TO BE SOLVED: To provide a metal plate-fixed show plate to be transportable in a flat state and maintained as it is in a bent state when assembling it for use. SOLUTION: This metal plate-fixed show, plate, using its capability to maintain a state in which the metal plate is bent, keeps a display back plate 2 fixed upright with a back fixing metal plate 9, further keeps a rising plate 6 fixed in a bent and raised state by a front fixing metal plate 10, and at the same time, keeps the back edge of a display front plate 8 fixed in a slightly raised state.
Patent JP-H02162331-A (JP)
Title: Image recorder
Inventor: SUGITA SHIGERU
IPC: G03B27/62
Filed: 1988-12-16
Abstract: PURPOSE:To shorten an operating time by temporarily inputting the code information of an original rejected while reading the bar code of the original and recording an image in a sub storage means. CONSTITUTION:When the original is fed, the bar code thereof is read by a bar code scanner 12 and the code information is stored in a main storage means 2, then the original is photographed on a microfilm by a photographing camera 18. Since the original whose bar code is not read by the scanner 12 is rejected on a rejection tray during the above-mentioned actions, the original is taken out so that the bar code information is inputted in the sub storage means 24 from an input means 3 while reading other original. In the case of photographing the rejected original, the means 24 and the means 2 are connected by operating a switching means 22. Then, a control means 23 judges whether or not the code information exists in the means 24. When the code information exists there, the original is fed and the code information of the means 24 is stored in the means 2 as the code information of the original.
Patent JP-H03178445-A (JP)
Title: Ink jet head
Inventor: MATSUDA KOEI
IPC: B41J2/045
Filed: 1989-12-07
Abstract: PURPOSE:To enable high density, multi-nozzle and low cost of a jet nozzle to be realized by a method wherein an electric field is applied to a recessed or projected shape part formed to a pressure chamber side or its opposite side of a pressure chamber composing part of a board having electric to mechanic conversion function. CONSTITUTION:A head is so constructed that a board 28 with no diaphragms, having electric mechanic conversion function is bonded directly to a substrate 1 forming a passage part. A common electrode 29 is provided to a bonded surface of the board 28 and the substrate 1. Recessed parts 30-34 of a size to the same extent as that of a pressure chamber are provided to the opposite side surface of the pressure chamber of the board 28 corresponding to the pressure chambers 8-12, and electrodes 35-39 are provided to a surface thereon. When voltage is impressed by a signal, a part put between the electrode 37 of the board 28 and the common electrode 29 is going to extend in the arrow a, a' direction. However, since the board 28 is recessed, it becomes asymmetrical to a center line (c) in a thickness direction of the board 28. Unbalance in stress is generated in elongation of the arrow a-a', and the board 28 is displaced in the arrow (b) direction. Therefore, pressure in the pressure hamber 10 varies, and n ink drop is jetted from the jetting nozzle 5.
Patent JP-H02162782-A (JP)
Title: Driving method for bimorph displacement element
Inventor: OGINO YOSHIFUMI
IPC: H01L41/09
Filed: 1988-12-15
Abstract: PURPOSE:To obtain a displacement element of this design large in displacement by a method wherein a forward and a backward electric field are applied to a ferroelectric porcelain plate and an antiferroelectric porcelain plate. CONSTITUTION:A ferroelectric porcelain plate 1 and an antiferroelectric porcelain plate 2 are formed, baking silver electrodes 3 and 4 and 5 and 6 are formed on the primary faces of the plates 1 and 2 respectively, the plates 1 and 2 are pasted together with a bonding agent 7. The electrodes 3 and 5 serving as one terminal and the electrodes 4 and 6 serving as the other terminal are connected to a power source 9 as a parallel connection type to drive this displacement element. A waveform W1 of an alternate electric field applied to the displacement element is a backward electric field which is applied first to the electrodes 4 and 6, and the downward peak point of it is within the range of the electric field resistance of the polarized ferroelectric plate 1, and a waveform W2 is not only a region where an electric field is applied in the direction conformed to a polarizing direction of the ferroelectric plate 1 but also corresponding to a region where an electric field is applied, so as not to exceed an electric field resistance level that the phase transition of the antiferroelectric porcelain plate 2 takes place making it change into a ferroelectric.
Patent JP-2000110110-A (JP)
Title: Method for removing mortar or concrete
Inventor: FUKUDA TSUTOMU
IPC: E01C19/48
Filed: 1998-10-05
Abstract: PROBLEM TO BE SOLVED: To shorten a time for removing concrete or mortar by previously coating or filling the periphery of a pavement machine and the gap of the machine, on which mortar or concrete may adhere, with urethane foam. SOLUTION: Instantaneous foaming urethane foam having a prescribed physical property is sprayed on the screed part of a concrete finisher. Thereafter, concrete is leveled by means of the finisher. Subsequently, concrete adhered to the screed part of the finisher is removed. Thus, concrete adhered to a pavement machine can be easily removed. Thereby labor for disassembling and assembling the machine is saved, and the reduction of large labor and time can be contrived.