baber/WOPTO huggingface dataset:
Patent JP-2000078473-A (JP)
Title: Photoelectric conversion device
Inventor: TAKAHASHI HIDEKAZU
IPC: H04N5/3745
Filed: 1998-08-31
Abstract: PROBLEM TO BE SOLVED: To reduce noise and to extend a low luminance limit and a low contrast limit by differentiating an amplification factor of a first inverted amplifier means to repeatedly amplify a signal from a photoelectric conversion means from an amplification factor of a second inverted amplification means to repeatedly amplify a signal from a storage means. SOLUTION: One sensor pixel unit 5 is constituted of a Pn photodiode 1 to perform photoelectric conversion and MOS transistors 2, 3, 4 for amplification, for switch and for reset to constitute a MOS transistor 18 for an invertible amplifier. The invertible amplifier consisting of the MOS transistor 2 for amplification and a load MOS transistor 6 of a sensor part is equivalent to the first inverted amplification means and the inverted amplifier consisting of the transistor 18 for amplification and a load MOS transistor 22 of a memory part is equivalent to the second amplifier means. The amplification factors of DC inverted amplifier of pixels of the sensor part and a memory of the memory part are changed by varying W (gate width)/L (gate length) of the load MOS.
Patent JP-S60139904-A (JP)
Title: Pnuematic actuator
Inventor: FUKAHORI YOSHIHIDE
IPC: F15B15/10
Filed: 1983-12-28
Abstract: PURPOSE:To improve the durability of a pneumatic actuator which comprises an internal cylinder made of an elastic material and a braided body covering the outside of the internal cylinder, by arranging a middle layer formed by braiding a fiber having a prescribed streching modulus between the internal cylinder and a braided body. CONSTITUTION:Air-back type pneumatic actuator which works mainly as the operational force of a robot has an internal cylinder 1 made of rubber or rubber- like elastic material and a braided body 2 covering the outside of the internal cylinder 1. Then a middle layer 14 which is formed by braiding a fiber and has a stretching modulus per unit width of 1-5X10<8>g/cm when it is stretched by 50% is fixed between the internal cylinder 1 and the braided body 2. The tensile elongation of the middle layer 14 when fractured is set at a value larger than 55%. Thus by protecting the internal cylinder 1 from the braided body 2 using the middle layer 14, the expansion and bending life of the internal cylinder 1 is improved and as a result, the life of the actuator is improved.
Patent JP-S61121444-A (JP)
Title: Semiconductor element
Inventor: SEKI SHUNJI
IPC: H01L29/786
Filed: 1984-11-19
Abstract: PURPOSE:To contrive improvement in long-term stability of the characteristics of a semiconductor element without desunption of hydrogen by a method wherein the silicon which occlused hydrogen already is coated by a Ta2O5 film of low hydrogen permeability. CONSTITUTION:An Mo electrode 7 is formed on a quartz substrate 6, a CVD SiO2 thin film 8 is laminated, and an Al electrode 9 is formed thereon. An amorphous silicon thin film 10 containing hydrogen is formed on the CVD SiO2 thin film 8 and the Al electrode 9, and a Ta2O5 thin film of 2,000Angstrom  in thickness is coated thereon. By adopting the structure wherein Ta2O5 is formed on the amorphous silicon thin film containing hydrogen as above-mentioned, the desonption of hydrogen contained in the a-morphous silicon thin film can be prevented, and the long-term stability of element characteristics can also be improved.
Patent JP-H0292779-A (JP)
Title: Tilt and telescopic steering column
Inventor: YAMAMOTO SATOO
IPC: B62D1/18
Filed: 1988-09-29
Abstract: PURPOSE:To easily ensure the optimum attitude of driving by a crew by building a mechanism, having a tilt, telescopic, spring and memory function, to be integrally united and enabling a tilt and telescopic control to be steplessly adjusted by a tightening bolt and a lever. CONSTITUTION:A clamp 1 is formed into a box-shaped structure integrally forming a mounting part 1b to a car body in both side walls, and the clamp connects to its front part a lower jacket 3 and inserts to the rear part a movable bracket 4 to be fitted. This movable bracket 4, in which a slide bolt 7 can be moved along a long hole 28c through a roller 12, can be turned (tilt function) in a vertical direction with a tilt bolt 6 serving an the center, further because the tilt bolt 6 can be moved along a long hole 1f through a roller 8 and a bush 9, the bracket 4 can be moved (telescopic function) in a longitudinal direction. A tightening bolt 24 penetrates through a side wall of the movable bracket 4, frame unit 28 and a holder 29, and the bolt 24 fixes to its one end part a tightening lever 25 to be fitted and to the other end a springing lever 26 to be fitted. And the movable bracket 4 is energized rotating in the counterclockwise direction by a jump up spring 38 with the tilt bolt 6 serving as the center.
Patent JP-H0582711-A (JP)
Title: Manufacture of wiring board
Inventor: YOSHIDA TAKAYUKI
IPC: H01L23/14
Filed: 1991-09-25
Abstract: PURPOSE:To obtain a substrate for low dielectric multi-chip module which can operate at high frequency. CONSTITUTION:A first insulation film 2 is formed on a silicon substrate 1 where a large number of small holes 3 are formed based on a dry etching process. The silicon alone from these small holes 3 are etched by the application of a potassium hydroxide solution or a hydrofluoric-nitric acid mixed solution and cavities 4 are formed. Then, a second insulation film 5 is further formed on the first insulation film 2 where a large number of small holes 3 are bored and an electric conductor thin film wiring 6 is formed on the second insulation film 5. Therefore, the following effects can be expected by forming an air layer or a vacuum layer below the first insulation film 2. (1): The specific dielectric of the cavity portion is about epsilongamma=1, which is about one fourth of arsenic oxide. (2): When the thickness of the cavity portion is identical to that of the first insulation film, the total capacity is about one fifth the insulation film alone. (3): When the condition is identical to that represented by (2), the time constant is about one fifth the insulation film along.
Patent JP-H0580649-A (JP)
Title: Developing device
Inventor: HAMADA TSUTOMU
IPC: G03G13/08
Filed: 1991-09-25
Abstract: PURPOSE:To provide a developing device having a characteristic capable of resolving the deformation of a hollow developing sleeve, that means, the fluctuation of a developing space and obtaining stable image quality in a developing device for a copying machine and a printer using an electrophotographic copying process. CONSTITUTION:As to the hollow developing sleeve 13 having supporting pieces on both end parts of it, by installing a through-shaft 20 for penetrating the inner part of the sleeve, the reduction of the deformed quantity of the hollow developing sleeve by the force given to the through-shaft 20, that means, the stabilization of the developing space can be accomplished, and then, the developing device capable of obtaining the stable image quality can be obtained. By installing the through-shaft 20 for penetrating the inner part of the hollow developing sleeve 13 having the supporting pieces on both sides of it, and also by setting the resultant force of the force given to the hollow developing sleeve 13 in a nearly orthogonal direction with reference to the developing space, the developing device capable of accomplishing the stabilization of the developing space and of obtaining the stable image quality can be obtained.
Patent JP-H03108879-A (JP)
Title: Video camera
Inventor: MAKISHIMA SUGIO
IPC: H04N5/225
Filed: 1989-09-21
Abstract: PURPOSE:To facilitate the switch operation by constituting a switch commanding various pickup modes as a switch taking 2-stage of operating states and displaying information relating to the kind of the switch in a view finder in the 1st operating state of the switch. CONSTITUTION:For example, when a button 12 to set the white balance adjustment to the modes of AUTO, outdoor and indoor is operated and a photographer touches various buttons, a touch signal is outputted to a mode controller 30. The controller 30 reads information representing a character or a symbol relating to the kinds of the touched buttons based on the entered touch signal is read from a character generator 34. Furthermore, in order to distinguish a character or a symbol representing the current pickup mode, a character or a symbol relating to the kind of the touched button is blinked in an EV (view finder) 40. Thus, the touched button at that time is recognized to be the button 12 to set the white balance adjustment to the modes of AUTO, outdoor and indoor.
Patent JP-S63103637-A (JP)
Title: Vibration preventing device for motor
Inventor: KOZONOE YASUSHI
IPC: H02K15/14
Filed: 1986-10-17
Abstract: PURPOSE:To obtain a vibration preventing device, prominent in the work-ability of assembling and low in cost, by a method wherein the damper made of rubber, which covers the whole of the mounting part of a motor, is made by the flange type damper made of rubber, into which a nut is embedded. CONSTITUTION:A bracket 1 is incorporated into the fixing part or the bottom part 2a of a motor 2 and dampers 7, made of rubber, are inserted between the motor 2 and the bracket 1 at four places, then, an opening 2b on the bottom part of the motor, the opening 16 of the bracket and the opening 7b of the damper are aligned to clamp them by screws 9. The damper 7, made of rubber, shows the shape of a flange having the opening 7b and a flange 7c while a nut 7a is embedded in the flange near the bottom of the damper.
Patent JP-H0667060-A (JP)
Title: Structure for connecting optical waveguide to optical fiber
Inventor: IKEDA MITSUAKI
IPC: G02B6/32
Filed: 1992-08-20
Abstract: PURPOSE:To provide a structure for connecting an optical waveguide to an optical fiber by which the optical waveguide is easily and rapidly connected with the optical fiber while maintaining desired optical transmission efficiency. CONSTITUTION:The end face 3a of an optical waveguide 3 formed in an optical waveguide substrate 1 is formed into a concave shape having curvature, the tip part 4a of the core 4 of an optical fiber 2 is formed into a convex shape having the same curvature R and the clad 5 is formed into taper shape.The end face 3a of the optical waveguide 3 is mechanically connected to the front end 4a of the core 4.
Patent JP-S62104731-A (JP)
Title: Manufacture of polycapramide-based film
Inventor: HAMANO AKITO
IPC: C08J5/18
Filed: 1985-10-31
Abstract: PURPOSE:To speedily and efficiently manufacture film without impairing the thickness uniformity and transparency of the film by a method wherein aliphatic polycapramide resin, which is produced by copolymerizing monomers having aromatic ring, is specially treated. CONSTITUTION:Polyamide-based resin, which consists of 2-20wt% of aromatic aminocarboxylic acid residue, aromatic dicarboxylic acid residue and/or aromatic diamine residue and 80-98wt% of aliphatic aminocarboxylic acid residue, aliphatic dicarboxylic acid residue and/or aliphatic diamine residue, and polycapramide-based resin, the extractable methanol content of which is 1.5wt% or less and 80% of which consists of capramide unit, are melt-extruded and electrostatically brought into close contact with a rotary cooling roll so as to be quenched and solidified in order to be taken up in the form of a film. In addition, metallic compound such as halide of alkaline metal, alkaline earth metal and transition metal is added to the polycapramide-based resin in order to obtain a film, the melt resistivity at 260 deg.C of which is 1.5X10<5>OMEGA.cm or less.
Patent JP-H0665906-A (JP)
Title: Manufacture of box girder for bridge
Inventor: TAKAHATA SEIJI
IPC: E01D1/00
Filed: 1992-08-20
Abstract: PURPOSE:To manufacture box girders easily in a short time by enhancing the dimensional accuracy of bolt holes formed on box girder panels and boring the box girder panels in automatic mode. CONSTITUTION:A reinforcing material 6 is tack-welded with steel plates for flanges and webs so that flanges and box girder panels for webs are assembled and the reinforcing material 6 is welded. The welding of the reinforcing material 6 serves to eliminated welding strains produced on the box girder panels. Then, bolt holes are make on the box girder panels. The box girder panels are assembled in the shape of a box by welding. Connection plates, which are used to connect the box girder panels, are manufactured in regular dimensions in advance.
Patent JP-H04124481-A (JP)
Title: Hydraulic pump
Inventor: KITANO SEIICHI
IPC: F04C14/26
Filed: 1990-09-13
Abstract: PURPOSE:To obtain a hydraulic pump capable of adjusting flow so as not to generate flow difference by providing a flow control valve for returning a part of the discharge of each pump onto the suction port side to adjust the flow, at a communicating part between pumps. CONSTITUTION:An adaptor plate 35 is provided with a built-in flow control valve 45 therein. This flow control valve 45 is provided among a passage P1 communicated with the discharge port of a first pump 2, a passage P2 communicated with the discharge port of a second pump 3, and a passage T communicated with the suction ports of the respective pumps 2, 3. A spring 47 and a hollow spool 48 are mounted into a hole 46, and an adjusting screw 51 is screwed with a screw part 50 provided recessively on one opening side of the hole 46. A gap between the inner face of the hole 46 and the peripheral surface of the spool 48 is formed into a by-pass for allowing oil to flow little by little. In case flow difference is generated between both pumps 2, 3, the by-pass flow can be adjusted minutely by moving the spool 48 by the adjusting screw 51.
Patent JP-H0988562-A (JP)
Title: Exhaust emission control system for internal combustion engine
Inventor: SHIINO SHUNICHI
IPC: F01N3/20
Filed: 1995-09-25
Abstract: PROBLEM TO BE SOLVED: To facilitate diagnosis of a trouble by a method wherein the trouble of a flow passage switching means to switch a first exhaust flow passage having a catalyst through which exhaust gas flows and a second exhaust flow passage having the catalyst which exhaust gas bypasses is diagnosed through the catalyst based on an air-fuel ratio of exhaust gas and an air-flow ratio in a spot situated down stream from a bypass passage confluent part. SOLUTION: First and second catalysts 18 and 20 are located in series in spots situated upper stream and downstream from of an exhaust passage 9 and a bypass passage 9b bypassing the catalyst 18 is connected to the exhaust passage 9, and a switching valve 16 is arranged at a branch part where the bypass passage 9b is branched from an exhaust passage 9. O2 sensors 19 and 21 are arranged in a spot right upper stream from the catalyst 18 of the exhaust passage 9 and a spot situated upper stream from the catalyst 20 and downstream from a confluence part of the bypass passage 9b.  Since, during the use of the bypass passage, the fluctuation width of an air-fuel ratio is reduced and the inversion period T1 of the output of the O2 sensor 19 is increased to a value higher than the inversion period T2 of the output of the O2 sensor 20, when T2 is higher than a product of T1 and a given value K, it is decided that trouble occurs to the switching valve 16 and an alarm is generated.
Patent JP-H0584712-A (JP)
Title: Bent member and manufacture of it thereof
Inventor: NOMURA YUKIO
IPC: A47B96/20
Filed: 1991-09-25
Abstract: PURPOSE:To enhance productivity substantially by increasing the strength of an L-shaped bent member for use in the shelves and the like of a closet. CONSTITUTION:A retardatively acting addhesive agent 5 is applied to a groove for bending 2b formed on the rear surface of a plane base plate 2 glued with a decorative sheet 7 in its surface, these are closed into an L-shaped one. Subsequently, a triangle pole-like cleat 3 is put adhesively on the in-corner part 2a of the L-shaped base plate 2 by the use of a retardatively acting adhesive agent 5, furthermore, on the appropriate positions of joint parts 9 between the cleat 3 and the base plate 2, quick-acting adhesive agent 6 is applied for manufacturing a bent member 1. When the groove 2b for bending, cleast 3, and base plate 2 are stuck by the retardatively acting adhesive agent 5, by applying the quick- acting adhesive agent 6, the curing time depending on fixation jigs is extremely shortened, whereby productivity is raised with the result that a strengthened bent member 1 can be manufactured.
Patent JP-H0985151-A (JP)
Title: Die coater coating material supplying device
Inventor: FUJINO SHINJI
IPC: B05C5/02
Filed: 1995-09-25
Abstract: PROBLEM TO BE SOLVED: To save an equipment and to reduce an equipment cost by forming a coating material vessel as a hermetic vessel, connecting a compressed gas supply system to this coating material vessel so as to pressurize the liquid surface of the coating material vessel with a compressed gas and making the priming operation of a fixed delivery pump possible with the simple and inexpensive equipment utilizing compressed gas without installation of a self-printing pump in combination. SOLUTION: This die coater coating material supplying device consists of the coating material vessel 1, the fixed delivery pump 3 which is installed in the position lower than the liquid surface T of the coating material vessel 1, a die coater 6, a first coating material piping 2 which is extended from the inside of the coating material vessel 1 and is connected to the suction side 3a of the fixed delivery pump 3 and a second coating material piping 4 which connects the discharge side 3b of the fixed delivery pump 3 to the die coater 6. The coating material of the coating material vessel 1 is supplied by the fixed deliver pump 3 to the die coater 6. The coating material vessel 1 is constituted as the hermetic vessel.  The compressed gas supply system 10 consisting of a pressure air supply source 11, a three- way valve 12, a pressure regulating valve 15, a relief valve 18, pipings 13, 14, etc. is connected to the coating material vessel 1 in such a manner that the liquid surface T of the coating material vessel 1 is pressurized by the compressed gas.
Patent JP-H0587731-A (JP)
Title: Gene structure analyzing device
Inventor: HIRUMA TERUO
IPC: G01N21/31
Filed: 1991-09-25
Abstract: PURPOSE:To obtain a simple gene structure analyzing means which can quickly analyze the structure of a gene. CONSTITUTION:An elongated DNA 101 is placed on the stage 110 of this gene structure analyzing device. This gene structure analyzing device is provided with a piezo-actuator 111, amplifier 113 for driving actuator, strain gauge sensor 112, and controller 114 as the driving and controlling system of the stage 110 and a feedback loop is formed of them. In addition, this analyzing device is also provided with a DNA detecting system composed of a light source 121, condenser lens 121a, spectral element 123a, photodetector 123, lock-in amplifier 125, control circuit 126, and recorder 127.
Patent JP-H1173650-A (JP)
Title: Track traverse speed detecting device for disk player
Inventor: TATEISHI KIYOSHI
IPC: G11B7/085
Filed: 1997-08-27
Abstract: PROBLEM TO BE SOLVED: To reduce an effect due to a phase delay caused by sampling by detecting a spot speed with a total light receiving amount signal period being a 1/2 period of a tracking error signal and generating a speed error signal. SOLUTION: An acceleration pulse generator 29 is triggered by a JT signal outputted from a controller 21 to output an acceleration pulse of a prescribed level for a prescribed time. An addition/subtraction circuit 28 output is addition- inputted to the addition/subtraction circuit 30, and a reference speed signal outputted from a changeover switch 32 is addition-inputted to it. The addition/ subtraction circuit 30 outputs the speed error signal according to a difference between a radial directional moving speed of an information detection point and the reference speed.  Further, a pulse having rise/fail edges synchronized with a zero cross of a total light receiving amount signal high-band component by a comparator 4 is generated by an edge detector 20-b to be added to a speed detection circuit 31, and this signal becomes a trigger input to a single- stable multivibrator 33, and its Q output becomes a speed detection signal of a voltage level according to an information detection point radial directional moving speed through an LPF 34.
Patent JP-H0992060-A (JP)
Title: Grommet
Inventor: UCHIYAMA KENICHI
IPC: H01B17/58
Filed: 1995-09-25
Abstract: PROBLEM TO BE SOLVED: To fit a grommet to a vehicle body panel by a single operation and inexpensively. SOLUTION: In a grommet 5; having a small diameter tube part 5a into which wire harness W/H is inserted, and a large diameter part 5b, inserting into the through hole 6a of a vehicle body panel 6 to be locked to the inner peripheral edge of the through hole; a burring 6b, protruding from an insertion side surface 6c, is formed on the through hole of the vehicle body panel, and while a folded part 5c, folded outward, is provided on the tip of the large diameter part of the grommet.  The folded part is formed of a thin thickness part 5d for making a root bendable inward and outward, a first lip part 5e for abutting on the inner peripheral edge of the through hole of the anti-insertion side surface 6d of the vehicle body panel to be locked, and a third lip part 5g for abutting on the inner surface of the burring; and also a second lip part 5h, for abutting on the peripheral edge of the through hole of the insertion side surface of the vehicle body panel to be locked, is formed on the rear end of the large diameter part.
Patent JP-H05225116-A (JP)
Title: Setting system for package identification number
Inventor: MUROI KIYOSHI
IPC: G06F13/14
Filed: 1991-09-26
Abstract: PURPOSE:To set individual identification numbers, which are required to control plural individual packages from a common package, with a small number of control signals by using a common bus signal as the system which sets the individual package identification numbers for the individual packages. CONSTITUTION:Identification number setting signals are connected from the common package to the individual packages. Further, the common bus signal 201 is connected as 2nd and 3rd common bus signals 202 and 203 to the individual packages 111-114 through 1st and 2nd gate circuits 103 and 104 which are controlled in the common package with the identification number setting signals. The common bus signal of each of the individual packages is connected by regularly selecting the 2nd or 3rd common bus signal for each signal line for a bus signal.
Patent JP-S60136953-A (JP)
Title: Information recording method on magnetic tape by rotary magnetic head
Inventor: ARAKI SHIGERU
IPC: G11B20/10
Filed: 1983-12-26
Abstract: PURPOSE:To attain high speed dubbing even for a signal having a large amount of recording information by recording a signal inputted during one revolution of a rotary magnetic head while applying time compression. CONSTITUTION:Digital information of audio 2-channel is inputted to an input terminal 17, and after the input is converted into an input data format in matching with a digital VTR, the signal is applied with time axis compression at a audio- video converter 18 in a way of <=1/15 for the audio information included in one revolution of the drum while the tape is run at the 1/15 of the normal tape running speed, the result is recorded on the 1st part 22-1 of the track and recorded on 22-2, 22-3...22-15 sequentially at every revolution of the track. The tape in high speed dubbing is reproduced by a digital VTR19 (with running speed of 1/15), the signal is fed to a video-audio converter 20, then the digital audio information inputted from the input terminal 17 is obtained from an output terminal 21.