baber/WOPTO huggingface dataset:
Patent JP-H01162365-A (JP)
Title: Image sensor
Inventor: FUKADA TAKESHI
IPC: H01L27/146
Filed: 1987-12-18
Abstract: PURPOSE:To fully utilize incident light for an increase in the output of brightness signals by a method wherein only diffused light is allowed into a semiconductor layer and the light-receiving window is so geometrically designed as to exert some control over the direction of the light before landing on a text. CONSTITUTION:A light-stopping conductive film 2, a semiconductor layer 3 sensitive to light, and a light-transmitting conductive film 4 are formed on a light-transmitting substrate 1. The conductive film 4, the semiconductor layer 3, and the conductive film 2 are locally removed for the formation of light- receiving windows 14a and 14b. The light-receiving windows 14a and 14b are so constructed as to be elevated at their centers and lower at their edges. A light-transmitting protecting film 5 is provided on them. Reading beams 7a, 8a and 9a are refracted in the light-receiving windows 14a and 14b with their middle sections elevated, the refracted beams 7b, 8b, and 9b impinge on a text 6, and the reflected beams 7c, 8c, and 9c go into the semiconductor layer 3 after travelling through the conductive film 4. This design fully utilizes the incident light for an increase in the brightness output.
Patent JP-H03181965-A (JP)
Title: Split exposure device
Inventor: OHASHI TSUTOMU
IPC: G03G15/04
Filed: 1989-12-12
Abstract: PURPOSE:To make split exposed light beams to form a line on a photosensitive body and to accomplish high-quality split exposure by synchronously driving plural rotary polygonal mirrors. CONSTITUTION:After respectively locking two exposing devices, a BD-A signal which is the signal of the beam detector 7A of the 1st exposing device A and a BD-B signal which is the signal of the beam detector 7B of the 2nd exposing device B are inputted in a measurement circuit 8 and the time difference of the BD-B signal from the BD-A signal is measured. Thereafter, the measured time difference is inputted in the variable delay circuit 9 of the 2nd exposing device, and the signal FG-B of a frequency generator 5B is delayed by a time T by the circuit 9 and inputted in a driving circuit 6B. Then, the signal of a reference oscillation circuit and the delayed signal are inputted in the circuit 6B and a driving motor 4B is driven by PLL control. At such a time, two rotary polygonal mirrors 3A and 3B rotate in the same phase without depending on the relation of the phases of the rotary polygonal mirror and the frequency generator. Thus, the exposing light beams of the two exposing devices are made in one line and the high-quality split exposure is accomplished.
Patent JP-H04189574-A (JP)
Title: High-speed circular motion-linear motion converter
Inventor: KIKUTA KANEKICHI
IPC: B41J19/20
Filed: 1990-11-26
Abstract: PURPOSE:To move a recording pen at a high speed to convert a rotating motion to a linear motion at a high speed by a method wherein a ball bearing disposed in a groove of a rotating drum is moved in contact with the wall of the groove of the rotating drum to obtain a structure of a small friction and a smooth movement. CONSTITUTION:A lower end part of a recording pen holder 4 is inserted into a groove 2 provided on the surface of a rotating drum and held so as to freely move in the groove 2. A ball bearing provided on the lower end of the recording pen holder 4 to ensure the movement of the holder 4 in the groove 2 with a small friction freely moves in contact with the wall of the groove 2 of the rotating drum. A bored guide plate 3 movably holds the barrel of the recording pen holder 4 in the bored hollow part thereof to guide it in parallel to the axial direction of the rotating drum. The bored guide plate 3 is fixed on the rotating drum so that the longitudinal direction of the bored hollow part coincides with the axial direction of the rotating drum. Simultaneously with the rotation of the rotating drum, the lower end of the recording pen holder 4 moves in one direction along the groove 2 through the ball bearing, whereby a circular motion is converted to a linear motion with a small friction.
Patent JP-2001143412-A (JP)
Title: Head-positioning method and disk drive
Inventor: NISHIMURA TOMOYUKI
IPC: G11B21/08
Filed: 1999-11-12
Abstract: PROBLEM TO BE SOLVED: To stabilize signal level of recording and reproduction. SOLUTION: When an I/O request is received from a host device 30 (step S1), a target track position is calculated at this I/O request (step S2, target track position calculating process). Then an actuator for rough movement is driven towards the calculated target track position (step S3, rough positioning process). When the target track position is calculated in the process S2, a target yaw angle α of the head is calculated (step S4, target yaw-calculating process) before or after the driving of the actuator for rough movement begins is started. Furthermore, the head is driven up to the target yaw angle (step S5, fine positioning process), in parallel with the rough positioning process S3.
Patent JP-H07182875-A (JP)
Title: Semiconductor storage device
Inventor: HOSHINO CHIAKI
IPC: G11C17/00
Filed: 1993-12-21
Abstract: PURPOSE:To provide a semiconductor storage device capable of correclty detecting potential of a bit line without occurring a difference in reference potential according to an odd numbered row and an even numbered row of a work line. CONSTITUTION:Memory cells MC connected to the work lines WL1, WL3... of the odd numbered row are different from the memory cells MC connected to the word lines WL2... of the even numbered row in a characteristic. A dummy cell DMC1 has the same characteristic as the memory cells MC connected to the word lines WL1, WL3... of the odd numbered row, and the dummy cell DMC2 has the same characteristic as the memory cells MC connected to the word lines WL2... of the even numbered row. The dummy cell DMC1 is selected together with the word line of the odd numbered row, and the dummy cell DMC2 is selected together with the word line of the even numbered row. Thus, the proper reference potential is supplied corresponding to the selected memory cell.
Patent JP-H02167529-A (JP)
Title: Organic nonlinear optical material
Inventor: NAKANO AKIO
IPC: G02F1/361
Filed: 1988-12-21
Abstract: PURPOSE:To obtain the material which is inexpensive, is high in efficiency and is easy to handle by introducing assymetric carbons therein. CONSTITUTION:This material is the nonlinear optical materials which have the assymetric carbons and arom. rings and are expressed by the formulas I to IV. This material can be used in a powder state, a film state by vapor deposition, casting, etc., a crystalline state or after the material is worked by a melting method to arbitrary shapes. The strength higher than the strength of urea is obtd. in this way and the nonlinear optical materials having functions of optical higher harmonic wave generation, light wavelength conversion including light mixing, optical rectification, optical memory, and optical logical operations and the org. nonlinear optical materials which have the high efficiency and are utilized in the fields of electronics and optoelectronics are obtd. in this way.
Patent JP-H0946063-A (JP)
Title: Hinge for retaining lid member
Inventor: SAWADA YUTAKA
IPC: H05K5/03
Filed: 1995-12-12
Abstract: PROBLEM TO BE SOLVED: To provide a hinge for retaining a lid member at a low cost which has simple constitution and can open the lid member at any angle. SOLUTION: The hinge for retaining a lid member consists of the following: a main body part 23 which is made of metal and is equipped with a through hole 22 having a circular section inside, an shaft member 24 which is made of metal and is inserted into the through hole 22 from one end of the longitudinal direction of the through hole 22, and a spacer 25 of a bisected cylindrical type which is formed of synthetic resin, and interposed between the outer peripheral surface of the shaft member 24 and the inner peripheral surface of the through hole 22, inside the through hole 22. The hinge is subjected to annealing process.
Patent JP-H03183987-A (JP)
Title: Method and device for low-temperature nuclear fusion reaction
Inventor: YAMAGUCHI EIICHI
IPC: G21B1/00
Filed: 1989-12-14
Abstract: PURPOSE:To improve the efficiency of a nuclear fusion reaction by impressing different deuterium pressure gradients to the surface of the sample of a palladium plate coated with a thin film having a small deuterium atom diffusion coefft. to accumulate deuteri um atoms at the boundary between this sample and the thin film. CONSTITUTION:After the pressure in a vacuum chamber 6 is reduced down to about <=10<-4> Torr by a turbo molecular pump 7, gaseous deuterium (D2) is introduced under about 1 to 40 atm into a gaseous D2 chamber 1. The effect of promoting the diffusion directivity of the deuterium (D) atoms is enhanced when a voltage is impressed to the sample 4 by a DC voltage source 2. The surface of the sample 4 is then heated up by an IR heater 3. The heating temp. is confined up to about 300 deg.C when the sample 4 is Pd and up to about 600 deg.C in the case of Ti. The gaseous D2 introduced into the chamber 1 is occluded in the sample 4 and the D atoms occluded in the sample 4 are diffused toward the thin film 5 side of the sample 4 by the pressure gradient generated by the pressure difference between the chamber 1 and the vacuum chamber 6. The heating up of the sample 4 promotes the directivity of the D atm diffusion similar to the impression of the DC voltage.
Patent JP-H01166074-A (JP)
Title: Developing device
Inventor: KOBAYASHI KATSUAKI
IPC: G03G15/08
Filed: 1987-12-22
Abstract: PURPOSE:To prevent development with a low density and to secure a stable image density by inverting a bar material at a time ratio according with circumstance conditions such as the relative humidity and the remainder quantity of toner. CONSTITUTION:A toner remainder quantity detector 15 which detects the remainder quantity of toner is provided in a developer storage vessel 7, and a relative humidity detector 14 which detects the relative humidity in the periphery of a developing device is provided on the outside of this vessel 7, and these detectors are electrically connected to a controller 12, and respective detected values are converted to electric signals and are transmitted to the controller 12. The controller 12 performs the operation based on received signals and transmits the result to a +/- switching relay 10 as an operation signal to rotate a motor 9 reverse/forward at a proper time ratio, thereby automatically repeatedly rotating a bar material 5 at the same time ratio. That is, the inversion mode of the bar material 5 is controlled in accordance with the relative humidity and the remainder quantity of toner. Thus, the reduction of the image density is prevented to secure a proper image density.
Patent JP-H08178844-A (JP)
Title: Automatic analyzer
Inventor: OYA HIDEO
IPC: G01N21/59
Filed: 1994-12-26
Abstract: PURPOSE: To enhance the accuracy of measurement while dealing with reduction in the size and tube diameter of a reaction cell. CONSTITUTION: The automatic analyzer comprises a spot light source 21 for irradiating a reaction cell 26 with a spot light, and reflectors 22, 23. Incident angle θ of the spot light from the spot light source 21 to the side face of the reaction cell 26 is set so that the spot light enters the side face of the reaction cell 14 at a position slightly below the top face of a sample and leaves the side face on the opposite side at a position slightly above the bottom face of the sample. The reaction cell 26 is irradiated again with the spot light transmitted through the reaction cell 26.
Patent JP-H09156104-A (JP)
Title: Ink jet recorder
Inventor: OGISO MASAO
IPC: B41J29/46
Filed: 1995-12-12
Abstract: PROBLEM TO BE SOLVED: To execute good quality recording by an ink jet quantity from a recording head conforming to characteristics of a recording medium. SOLUTION: A control means which controls printing signal treatment and driving of a recording head is provided. When an ink jet quantity setting mode switch 3 is operated, the control means inputs a data of 50% black pigment from an image ROM 5, and forms an image on a recording medium. A state of the image is detected with a detection means having a reflecting type light receiving part 8, and an ink jet quantity from a recording head is set by an ink jet quantity setting register 9 based on this detection. The ink jet quantity is inputted to an ink jet driving part 7 to be controlled, and recording is carried out by an ink discharge quantity suitable for recording medium paper.
Patent JP-H01166086-A (JP)
Title: Flight simulator
Inventor: NARASAKI MASARU
IPC: G09B9/24
Filed: 1987-12-22
Abstract: PURPOSE: To improve the accuracy of a flight feeling that a trainee has by displaying momentary values of dynamic characteristics parameters regarding a necessary flight model on-line. CONSTITUTION: A steering signal is supplied to a flight model part 10 as the trainee A operates a lever, and the output of thin flight model part 10 is supplied to a navigation calculation part 11 and a parameter calculation part 14. The navigation calculation part 11 performs necessary calculation according to the output from the flight model part 10, the calculation result is displayed as information on a display screen at a display part 12, and corresponding values are indicated on normal instruments 15A and 15B on an instrument panel. The parameter calculation part 14, on the other hand, performs calculation processing sequentially according to the output of the flight model part 10 and a signal supplied directly from the side of a cockpit 13. Then the momentary values of the dynamic characteristics parameters are displayed on-line to the trainee.  Consequently, the accuracy of the flight feeling that the trainee has can be improved.
Patent JP-H02170201-A (JP)
Title: Adjustment controller for system including dead time
Inventor: NAKAJIMA MINORU
IPC: G05B11/36
Filed: 1988-12-23
Abstract: PURPOSE:To prevent the occurrence of unstable states including the hunting, etc., for a control subject by measuring the dead time produced between a controller and a control terminal in real time and performing the control arithmetic via the correction of time carried out based on the measured dead time. CONSTITUTION:A dead time measuring instrument 36 measures the dead time taubased on the difference between the pulse signal received from a pulse signal generator 34 and this pulse signal which is reciprocated among transmission equipments 20 and 30 and a transmission line 28. The measured dead time tauis inputted to a set value holding device 38 where the time tau is subtracted from the present time. Then the corrected time set value 40 is outputted for the delay caused by the time tau. Thus it is possible to properly correct the change and the disturbance of the set value in the least time in response to the time tau produced between a controller 10 and a control terminal. Thus a stable system is realized.
Patent JP-H05157349-A (JP)
Title: Bath apparatus
Inventor: ADACHI IKURO
IPC: F24H1/46
Filed: 1991-12-06
Abstract: PURPOSE:To prevent a chattering phenomenon of water supply operation by accumulating a bath tank water level for a predetermined time and estimating an average water level, and calculating a changing amount of the average water level for a predetermined time, and further prohibiting the water supply operation when the changing amount is a water leakage reference value, or more. CONSTITUTION:In a process where a bath tank 2 is replenished with hot water to keep a water level in the bath tank unchanged when the bath tank water level is lowered, an accumulated water level is lowered, an accumulated water level stored in a microcomputer is set to 0, and a judgement circuit flag for use in judging a water level judgement circuit is set to 0. After a predetermined time, a detection water level of a water level sensor 41 is added to the contents of the accumulated water level, and the addition operation is repeated a predetermined number of times. Thereafter, the accumulated water level is divided to estimate an average water level and store the same, which is in turn compared with a set water level in a water level setting unit. When the average water level is less than the set water level, a changing amount of the average water level is estimated. Further, it is judged whether or not the changing amount exceeds a water leakage reference value, and if it is YES, the replenishment operation is prohibited.
Patent JP-2000147093-A (JP)
Title: Acoustic measuring apparatus and cable with self- positioning measuring function constituting the same
Inventor: MAKIMOTO NOBUO
IPC: G01S7/521
Filed: 1998-11-13
Abstract: PROBLEM TO BE SOLVED: To provide an acoustic measuring apparatus, capable of measuring the motion of a moving body emitting a sound and a cable having a self position measuring function constituting the apparatus. SOLUTION: An acoustic measuring apparatus 100 comprises gyros fixed on the way of a signal-transmittable cable 110, i.e., a telephone line reinforced with steel wires, etc., as required, a data processor 130 connected to one end and one or more acoustic sensors connected to desired positions on the way of the cable 110. The acoustic sensor may be also disposed at the opposite end of the cable connected to the data processor 130 or at the same position as the processor 130. The gyro 120 is a three-axis gyro capable of measuring three-dimensional directions. The data processor 130 accurately calculates the position of each gyro 120 and the position of the acoustic sensor(s), based on data in three-dimensional directions from each gyro 120.
Patent JP-2000145429-A (JP)
Title: Exhaust gas flow restricting member for an exhaust gas purifier
Inventor: KOMORI TERUO
IPC: B01D46/42
Filed: 1998-11-13
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust gas flow restricting member for exhaust gas purifiers that enables benefits such as improvements in combustion efficiency and the collection efficiency of the filter by eliminating unburned soot. SOLUTION: This exhaust gas flow restricting member 21 is used in an exhaust gas purifier 1 formed by placing a filter 9 inside a easing 8 provided on the route of the exhaust pipes 6, 7 of an internal combustion engine. The exhaust gas flow restricting member 21 is installed close to an end face 9a of the filter 9. As a result, the flow of exhaust gas is controlled, and there is a relative increase in the flow of exhaust gas in the outer part of the filter 9.
Patent JP-H03184964-A (JP)
Title: Production of 4-formyl-1,2,3-thiadiazole
Inventor: KOBORI TAKEO
IPC: C07D285/06
Filed: 1989-12-15
Abstract: PURPOSE:To easily obtain the subject compound useful as a raw material for cephalosporin derivatives in high yield by oxidizing a 4-(alkenyl)-1,2,3-thiadiazole compound. CONSTITUTION:The objective 4-formyl-1,2,3-thiadiazole of formula II can be produced by reacting a compound of formula I (R<1> and R<2> are H, alkyl, aryl or aralkyl) with sodium periodate as an oxidizing agent in the presence of an osmic acid catalyst in a solvent such as methylene chloride at -30 deg.C to +100 deg.C. The concentration of osmic acid is 0.0001-0.1mol% based on the compound of formula I and the amount of sodium periodate is 1.0-1.2mol. The objective compound can be also produced e.g. by ozonolysis to effect oxidation reaction.
Patent JP-2000110384-A (JP)
Title: Pool facility
Inventor: KONISHI KAORU
IPC: E04H4/06
Filed: 1999-11-15
Abstract: PROBLEM TO BE SOLVED: To provide a pool facility wherein the depth of water of a movable bed, which allows each portion of the body to obtain effective quantity of motion, can be set to a biologically optimum depth. SOLUTION: In the pool facility wherein a movable bed is vertically moved in a pool so as to be stopped at a desirable depth to allow an aqua exercise, the movable bed can be stopped at a depth of about 50 cm, 60 cm, 90 cm, and 110 cm.
Patent JP-H07181922-A (JP)
Title: Driving method for color display device
Inventor: YABUUCHI HIDEAKI
IPC: G02F1/136
Filed: 1993-12-22
Abstract: PURPOSE:To drive video signals of respective colors without any color slurring of a driven display even when a display which is small in the number of dots is driven or even when a sampling clock is relatively large, as to a driving method for color display device where three adjacent pixels of red, green, and blue are in delta array. CONSTITUTION:A circuit which samples a tricolor video signal of R, G, and B consists of a flip-flop circuit which generates sampling pulses, a sample holding circuit, an output circuit which outputs the signal held with hold pulses in line units, and a circuit which delays video signals of respective colors R, G, and B inputted to the sample holding circuit. The delay circuit shifts the phases of the video signals of the respective colors from that of a reference signal corresponding to pixel arrays of the respective colors of the display device and sends them so that signal voltages of the respective colors can be sampled, thereby applying the signal voltages corresponding to an image to three pixels.
Patent JP-H03185215-A (JP)
Title: Fuel consumption improving method of engine with supercharger
Inventor: ENDO MAKOTO
IPC: F02B33/00
Filed: 1989-12-15
Abstract: PURPOSE:To reduce the suction temperature and the exhausting noise and to improve the fuel consumption and the like by making a part of the supercharged air bypass to the exhaust pipe, and exhausting it together with the exhaust gas, when the engine is in a light load operation condition and the like. CONSTITUTION:After the air is sucked to the suction port 4 of a supercharger 3 which is driven by an engine 1 through a transmission means 2, the air is sucked to a suction manifold 8 of the engine 1 from a discharge port 5 passing through a supercharging air pipe 6 and an intercooler 7. On the other hand, the exhaust gas of the engine 1 is exhausted to the outside from an exhaust manifold 9 through an exhaust pipe 10 and a muffler 11. In this case, a bypass valve 15 controlled by a computer 14 is opened in a light load condition of the engine 1. And a part of the air supercharged by the supercharger 3 is fed from a junction 13 to the exhaust pipe 10 through a bypass pipe 12, and discharged to the atmosphere together with the exhaust gas.
Patent JP-H01165583-A (JP)
Title: Production of (+)-(6s,7s,r-biar)-5,6,7,8-tetra-hydro-1,2,3,12-tetramethoxy-6,7-dimethyl-10,11-methylenedioxy-6-dibenzo(a, c)cyclooctenol
Inventor: YONEMITSU YUTAKA
IPC: C07D317/70
Filed: 1987-12-23
Abstract: PURPOSE:To obtain the title compound having liver disorder-improving action and useful as a medicine, by extracting rhizone and stem of Schisandraceae plant with a solvent and chromatographing the extracted liquid. CONSTITUTION:Rhizome and/or stem of Schisandraceae plant (Schisandra Chinensis Bail., etc.) is extracted with a solvent (e.g., water, methanol, acetone, methylethylketone, ethyl acetate or benzene) and the extracted liquid is subjected to chromatography (e.g., column chromatography, high speed liquid chromatography or thin-layer chromatography) to provide the aimed compound expressed by the formula.