baber/WOPTO huggingface dataset:
Patent JP-H10302585-A (JP)
Title: Hybrid type dc switch
Inventor: KITAMURA TSUNEHIRO
IPC: H02H9/02
Filed: 1997-04-28
Abstract: PROBLEM TO BE SOLVED: To provide a hybrid type dc switch in which when a semiconductor switch is brought into a breaking short state, the state can be detected before on operation. SOLUTION: In a dc switch first make and break contact S1 of a manual switch SW made of a push-button switch is connected to the main make an break contact X1 of a switch with contact 1 in parallel, and an series circuit made of light emitting diode LED0 , a current limiting resistor R7 , and second make and break contact S2 , of the manual switch SW is connected to a main make and break contact X2 in parallel. The operation portion of the manual switch SW can be manually operated from outside the switch. When the manual switch SW is pushed so as to turn on the make and break contacts S1 , S2 , the main make and break contacts X1 , X2 are short-circuited.  The, when MOSFETs Q2 , Q3 are broken and in a short state, a current flows via the resistor R7 and the light emitting diode LED0 so as to light the light emitting diode LED0 so that the break of the MOSFETs Q2 , Q3 can be alarmed outside.
Patent JP-H04339405-A (JP)
Title: Method for forming polarization inverting layer on piezoelectric substrate
Inventor: NAKAJIMA TOSHIO
IPC: H01L41/257
Filed: 1991-05-16
Abstract: PURPOSE:To equalize the thickness of a polarization inverting layer and to improve the reliability by setting the thickness of the substrate of the 165 deg. rotation Y plate of a lithium niobate single crystal, the thickness of the titanium film for forming a polarization inverting layer and the thickness of the polarization inverting layer to a prescribed relation. CONSTITUTION:On the upper surface and the lower surface of a piezoelectric single crystal substrate 11 of the lithium niobate, a titanium film 12 is adhered, next, heated and from the upper surface, a polarization inverting layer 13 of thickness alpha is formed. At this time, when the thickness of the substrate 11 is T, the thickness of the film 12 is (t) and the thickness of the layer 13 is alpha, the thickness (t) of the film 12 is set so that alpha/T can become 50%+ or -5%. By controlling the thickness (t) of the film 12 by the method, the dispersion of the thickness of the layer 13 become narrow, for the vibration element with the substrate, the spurious and frequency dislocation are reduced, and the performance and reliability are improved. Being t 2.5T-3.5tX10<-4> and the substrate 11 may be heated at the polarization inverting layer forming temperature.
Patent JP-H11304377-A (JP)
Title: Heat exchanger
Inventor: YASUTAKE TAKAYUKI
IPC: F28F9/02
Filed: 1998-04-22
Abstract: PROBLEM TO BE SOLVED: To provide a heat exchanger exhibiting excellent heat exchanging performance in both functions of condenser and evaporator and suitable for use as a heat pump. SOLUTION: Flat tubes 1 of specified length are arranged in parallel at a specified interval and conducted, at the opposite ends thereof, through hollow headers 3, 4 so that a heat exchanging medium conducts simultaneously in parallel through a plurality of flat tubes 1. Among a group of flat tubes conducting the heat exchanging medium simultaneously in parallel, at least one flat tube 1 is provided with a counterflow preventing mechanism 10 permitting conduction of the heat exchanging medium only in one direction.
Patent JP-H06195995-A (JP)
Title: Address-matching structure with reference to redundant structure of dram
Inventor: SUKEGAWA SHUNICHI
IPC: G11C29/04
Filed: 1992-04-30
Abstract: PURPOSE: To minimize the number of necessary blown fuses by controlling the cut of a control fuse in accordance with the number of addresses on logic '1' or '0' and cutting the fuse corresponding to the address. CONSTITUTION: The fuse C of an auxiliary circuit 27 having invertors 28, 30 and 32, 34 which are mutually connected is not blown when the number of the logic '0' states of address bits A0 -A11 is smaller than that of the logic '1' states. The fuses 0-11 corresponding to the addresses A0 -A11 of the low levels with logic '0' are cut. When the number of the address bits of logic '0' is large, and the fuse C is blown the fuses 0-11 whose addresses are logic '1' are blown. Thus, the number of fuses which are necessary is minimized compared with the case when the fuses are cut in accordance with the zero of the address by cutting the corresponding fuses in accordance with logic '1' or '0' on the address.
Patent JP-H01281450-A (JP)
Title: Thermodeveloping color photosensitive material and image receiving member for thermodeveloping photosensitive material
Inventor: KOMAMURA TAWARA
IPC: G03C8/24
Filed: 1988-05-09
Abstract: PURPOSE:To obtain the thermodeveloping photosensitive material and the image receiving members which have a low optical density and a less tendency for generating a stain in an image and a good shelf-life by incorporating a specified compd. in at least one layer of the photographic constituting layers of the title material. CONSTITUTION:The photosensitive material has the photographic constituting layers which contain at least a photosensitive silver halide, a reducing agent, a pigment affording substance and a binder and are mounted on a supporting body, and the compd. shown by formula I is incorporated in at least one layer of the photographic constituting layers. In formula I, R<1> and R<2> are each alkyl, cyloalkyl, alkenyl, aralkyl, aryl or a heterocyclic ring residual group which may be substd. Thus, the photosensitive material and the image receiving members which give the image having the low min. optical density and have the less tendency for generating the stain in the image and the good shelf-life are obtd.
Patent JP-H07293707-A (JP)
Title: Rotary shaft seal device
Inventor: TAGAWA TOMIHIRO
IPC: F16J15/34
Filed: 1994-04-26
Abstract: PURPOSE:To reduce the oil leakage due to the positional between housings on the rotation side and the fixed side, and reduce the positional in the axial direction such as the axial deviation due to the external load by forming a sealing surface of an end surface part of an outer ring of a bearing and a fixed side seal ring. CONSTITUTION:In a rotary shaft seal device to seal a rotation side housing 17 and a fixed side housing 18 which are externally driven, a bearing 4 consists of an outer ring 1 1 of a bearing, a bearing roller 12, and an inner ring 13 of the bearing, and the inner ring 13 of the bearing is provided with an O-ring groove 13a to seal the fixed side housing 18 with an O-ring 16, and a joining part 15a to connect a fixed side seal ring 14 to a pressure load ring 15 of an elastic body. A sealing surface 14a is formed of a seal ring 11a integrated with the end surface of the outer ring 11 of thc bearing and the fixed side seal ring 14. This constitution reduces the axial deviation due to the external load and the self-weight to be applied to the housings 17, 18, and the positional variation in the axial direction.
Patent JP-S5636089-A (JP)
Title: Electronic clock
Inventor: KURODA MINORU
IPC: G04G13/02
Filed: 1979-08-31
Abstract: PURPOSE: To permit a performance of different melodies to distinguish each hour on a electronic clock by producing musical sounds through programmable dividers which divide down a given frequency division output every hour on the hour to form a scale signal and a rhythm signal respectively, and the like.  
     CONSTITUTION: When a switch 11 is closed on the hour, a scale clock control circuit 12 being supplied with a frequency division output of a given step from a frequency division circuit 2, a rhythm clock control circuit 13 and the like are in working condition. Thus, a scale signal and a rhythm signal are formed by a scale and rhythm programmable dividers 4 and 5 that divide down the frequency division output according to the scale and rhythm data read from a memory 3, and a given melody is produced by a speaker 7 through a triangle-wave generator 20, a break control circuit 23 and the like. On the next hour, a different melody, which is based on the different scale and rhythm data read from the memory 3 through a melody selection counter 8 having been advanced, is similarly produced. Thus, different melodies every hour on the hour permit each hour to be readily and reliably distinguished. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-2000303959-A (JP)
Title: Closed type electrically driven compressor
Inventor: HAYASHI YASUSHI
IPC: F04B39/12
Filed: 1999-04-20
Abstract: PROBLEM TO BE SOLVED: To simplify a welding process of a discharge pipe with a discharge connection pipe, and to enhance its quality in a closed type electrically driven compressor installed in a refrigerator and the like. SOLUTION: In this device, an expanded pipe part 6a is provided for the end part of a discharge connection pipe 6, the discharge connection pipe 6 is projected outward from a discharge pipe 5, and the discharge pipe 5 is brazed with the discharge connection pipe 6. This constitution thereby enables the discharge pipe 5 to be welded with the discharge connection pipe 6 after a closed type container 1 is assembled, reduces working man-hours enhances operability, prevents fluxes and foreign matters from ingressing into the closed type container, and also enhances its quality.
Patent JP-H06296972-A (JP)
Title: Purifying method and purifying equipment for closed water basin
Inventor: TAKAHASHI KATSUYOSHI
IPC: C02F1/50
Filed: 1993-04-15
Abstract: PURPOSE:To exactly recognize the generating state of algae with a simple means and to surely prevent the generation of the algae by keeping water in a closed water basin stirred at all times with a stirring means and injecting an algaecide into the water when the concn. of the chlorophyll in the water exceeds a prescribed value. CONSTITUTION:An pneumatic water lifting device 3 of an intermittent type is installed in the bottom of a pond 1 and the air from a compressor 5 is intermittently released to this device 3, by which stagnation is induced in the water and the water in the pond 1 is stirred. The chemical (algaecide) from a tank 9 is injected into the water at proper timing by means of a pump 7 during the course of stirring. The pH value in the water is measured by a water quality meter 11 and the chlorophyll amt. is calculated in a controller 13 from the measured data. The pump 7 is driven to inject the chemical from the tank 9 into the water when the chlorophyll amt. exceeds a prescribed value. The generation of the algae is thus prevented. The DO value or transparency in the water may be observed and the injection of the chemical may be controlled.
Patent JP-S594240-A (JP)
Title: Pcm radio transmission system
Inventor: TAMADA KAZUYOSHI
IPC: H04B7/15
Filed: 1982-06-29
Abstract: PURPOSE:To prevent the deterioration of S/N of an FSK signal in multirelaying, by applying waveform shaping to an RC signal in a relay station for improving the S/N. CONSTITUTION:An SV signal demodulated and extracted at a receiving circuit 1 is separated into an OW signal and an FSK signal via both a low pass filter 3 and a band pass filter 4 at the receiving side, and the RC signal is extracted from the FSK signal at an FSK demodulator 6. The said RC signal is shaped into a waveform equal to that of the RC signal at a pulse shaping circuit 10. The shaped RC signal is inputted to a gate circuit 11 and goes to the FSK signal again via an FSK modulator 8. A transmission circuit 9 applies FM modulation to a carrier wave which is applied with RCM modulation by the SV signal synthesized by the OW signal and the FSK signal and transmits the result to the next station. Further, the OW signal is an order telephone signal between relay stations, the RC signal is a control signal to monitor and control remotely each relay station, the FSK signal is a signal applying the frequency shift modulation to the RC signal, and the SV signal is a signal synthesized with the OW and the FSK signals.
Patent JP-S593442-A (JP)
Title: Photoreceptor of copying machine
Inventor: TAKAYANAGI HIROSHI
IPC: G03G21/00
Filed: 1982-06-29
Abstract: PURPOSE:To reduce an amt. of electrostatic charge at the juncture of a photoreceptor, by covering the upper surface of said juncture with a conductive layer, and connecting this conductive layer with that in the photoreceptor. CONSTITUTION:A belt-shaped photoreceptor 21 is constituted by forming a conductive layer 23 on a resin film 22, and laminating a photosensitive layer 24 on the layer 23, and joining both ends 21a to obtain an endless belt. Another conductive layer 26 is formed on the juncture 25 by vapor deposition or coating. Both conductive layers are electrically connected at the end 26a of the layer 26 to electrically short both faces 24a, 24b of the photosensitive layer 24 at the juncture 25 of the layers 23 and 26. Hence, no charging occurs during the charging step, and destaticization operation is not needed. Since toner does not attach to the juncture 25, cleaning load is reduced, the inside of the machine is not stained, and dielectric breakdown is prevented, and therefore, the durability of the photoreceptor is enhanced.
Patent JP-H11308233-A (JP)
Title: Atm transmission system
Inventor: TATEYAMA SHINJI
IPC: H04L1/16
Filed: 1998-04-22
Abstract: PROBLEM TO BE SOLVED: To warrant continuity of communication with a comparatively simple configuration by sending again ATM cells that have been missed when a relay node selects a standby communication channel on the occurrence of a fault of a communication link of an active communication channel. SOLUTION: A relay node 100 and an incoming node 141 in an ATM network are interconnected by an active communication channel and a standby communication channel 131. A reception memory 102 of the relay node 100 sequentially stores received ATM cells Si and a CBR transfers an ATM cell while delaying the cell by a prescribed time and then sending it sequentially. Simultaneously the received ATM cell is sequentially stored in a standby memory 103.  Upon the receipt of a fault occurrence notice from the incoming node, the relay node 100 switches the active communication channel 121 to the standby a communication channel 131, and reads part or all of transferred ATM cells So that are missing in the incoming node 141 corresponding to a time from the occurrence of a fault cleared in advance till the end of switching to the standby communication channel 131 from the standby memory 103 and sends them again.
Patent JP-H10300956-A (JP)
Title: Optical branching waveguide and optical waveguide circuit
Inventor: TOYAMA JIRO
IPC: G02B6/122
Filed: 1997-04-30
Abstract: PROBLEM TO BE SOLVED: To provide the optical branching waveguide and optical waveguide circuit which are easily manufactured, small-sized, and low-cost. SOLUTION: On a substrate 11, two 1st and 2nd linear light guides 12 and 13 are formed crossing each other at a specific angle, a groove 14 which is at a specific angle to the light guides and deeper than the 1st and 2nd light guides 12 and 13 is formed including the intersection area of the 1st and 2nd light guides 12 and 13, and into the groove 14, an optical element 15 having a partially reflecting and partially transmitting function for transmitting and guiding part of incident light guided in the 1st light guide 12a to the 1st light guide 12b and also reflecting and guiding part of the incident light to the 2nd light guide 13 is inserted including the areas of intersection of at least the groove 14 with the 1st and 2nd light guides 12 and 13.
Patent JP-S595875-A (JP)
Title: Fuel injection device for two-cycle internal-combustion engine
Inventor: NONAKA KIMIHIRO
IPC: F02M69/10
Filed: 1982-07-01
Abstract: PURPOSE:To enable to detect the correct amount of suction air at all times from the fluctuation of a pressure in a crank chamber by a method wherein the effect of the sudden change of the pressure in the crank chamber due to the opening and closing of a scavenging port is eliminated by a pressure detector, a timing detecting means, an operating circuit, a control device and the like. CONSTITUTION:Communicating holes 54, 56 are communicated with each other immediately before the scavenging port 36 is opened by a piston 14, therefore, the pressure detector 52 outputs a voltage, corresponding to the internal pressure of the crank chamber 24 at that moment, as the maximum value. When the communicating holes 54, 56 are communicated again after the piston 14 has passed the lower dead point thereof and the scavenging port 36 has been closed, the pressure detector 52 outputs the voltage, corresponding to the internal pressure of the crank chamber at that moment, as the minimum value. The difference between these maximum and minimum values is operated by the operating circuit 58 and is converted into a signal. The control device 60 outputs an injection signal, having a time width meeting with the most proper supplying amount of the fuel, and opens the injection valve 46 to inject the proper amount of the fuel.
Patent JP-S5645988-A (JP)
Title: Coal-mixed oil
Inventor: HIROYA OSAMU
IPC: C10L1/32
Filed: 1979-09-05
Abstract: PURPOSE: To obtain a coal-mixed oil having excellent stability without causing sedimentation and coagulation for a long period of time, by dispersing pulverized coal into a hydrocarbon oil containing olefinic hydrocarbons and organic oxygen compounds.  
     CONSTITUTION: A hydrocarbon oil, obtained by adding 5vol% or more 8C or higher olefinic hydrocarbon of a boiling point of approx. 150°C, e.g., undecene, or dodecene, preferably, and 0.5wt% or more an organic oxygen compound with carbonyl groups, e.g., an organic acid, a ketone, or an aldehyde, to a petroleum fuel oil, e.g., crude oil, kerosene, or light oil, is mixed with pulverized coal of a grain  size of 50W100μ, e.g., fine coke powder, to obtain a coal-mixed oil. Also, crude oil  obtained from dry distillation of oil shale, or light oil, heavy oil, etc., obtained from  the fractionation of the crude oil, which contain olefinic hydrocarbons and organic  oxygen compounds, may be used as said hydrocarbon oil as such. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H097177-A (JP)
Title: Apparatus and method for laser feedback of optical memory
Inventor: CHIKASAWA MIHARU
IPC: G11B7/125
Filed: 1996-05-07
Abstract: PROBLEM TO BE SOLVED: To obtain such an adequate maximum feedback gain that a feedback device does not oscillate by using a iteration method. SOLUTION: The iteration method is carried out by the laser feedback device which has a laser diode 2, a photodiode 3 for reflected light detection, and an oscillation detector 4 which controls a gain controller 5 setting a gain to a multiplier 6 which drives the laser driver for the laser diode. To begin with a low gain for driving the laser diode 2, the gain is increased, bit by bit, until the oscillation detector 4 detects the oscillation of the device. Then the gain is reset to the last value and the device is placed in a nonoscillation area again with a proper maximum gain value.
Patent JP-H08339599-A (JP)
Title: Loading mechanism
Inventor: TOOMASU SHIYORUTSU
IPC: G11B17/04
Filed: 1996-05-07
Abstract: PROBLEM TO BE SOLVED: To obtain a loading mechanism capable of charging and detaching an information disk without being brought into contact with the surface of the information disk and having minimum size by movably supporting a support guide and a charging guide in a charging surface. SOLUTION: A loading mechanism has a guide for an information disk 2, and consists of a support guide 9 as the support member of a disk edge section 2a being brought into press-contact with the guide and a charging guide 21 as a transfer wheel 21 capable of being rotated and driven. The support guide 9 and the charging guide 21 are carried to pivot arms 7, 12, in which one end sections are borne by pivot spindles 8, 13, respectively, and supported movably in a charging surface 43. Consequently, the support guide 9 and the charging guide 21 can be moved according to the external shape of the information disk 2, and the loading mechanism capable of charging and detaching the information disk 2 without being brought into contact with the surface of the information disk 2 and having minimum size is acquired.
Patent JP-S5637945-A (JP)
Title: Method of detecting abnormality of paper feed
Inventor: WATANABE YUUJI
IPC: B41J13/00
Filed: 1979-09-05
Abstract: PURPOSE: To accurately detect abnormality of paper feed, by moving a detector together with paper for a copier or the like and detecting the abnormality in terms of the change in the detection signal of the detector.  
     CONSTITUTION: A noncontact type detector 5 is installed in a paper feed section so that the detector is located at one of the front and rear ends of paper 4, for example, at the front end 4a and moved together with the paper 4. When the paper 4 is jammed on the way of its feed, it is delayed and only the detector 5 is moved. As a result, the detector 5 does not detect the paper 4 but detects a guide 3 and the detection signal of the detector changes. The abnormality of the paper feed can be accurately detected in terms of the change without being affected by a paper feed error as in conventional cases. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H09295392-A (JP)
Title: Artificial stone and its production
Inventor: HAYAMA NAOKI
IPC: B32B37/10
Filed: 1996-05-08
Abstract: PROBLEM TO BE SOLVED: To obtain expected decorative appearance while preventing a trouble such as the discoloration of a decorative layer and to achieve wt. reduction as a whole while keeping definite strength by arranging a barrier layer between the decorative layer and a base material layer. SOLUTION: In this artificial stone 10 constituted by laminating at least one or more layer on one surface of a decorative layer and further laminating at least one resin-containing base material layer thereon, a barrier layer 14 is arranged between the decorative layer 12 and the base layer 15. This barrier layer 14 is formed by using a resinous film or sheet composed of a material having gas barrier capacity, for example, high density polyethylene and a transparent or colored film or sheet can be utilized. By this constitution, for example, when a resin used in the base material layer 15 contains a phenol resin, a gas component generated when the resin is cured can be cut off by the barrier layer 14. The possibility generating yellowing in the decorative layer 12 can be avoided.
Patent JP-H02295472-A (JP)
Title: Preparation of refreshing drink
Inventor: KUSUMOTO TERUO
IPC: A23L5/30
Filed: 1989-05-02
Abstract: PURPOSE:To prepare the subject drinking water free from unique odor, bitter taste, etc., effective in increasing physical force and relieving the fatigue and useful as a health drink by decocting a mixed liquid containing principal components extracted from dried SHIITAKE (Lentinus edodes) and onion, filtering the decoction and applying magnetic field to the filtrate. CONSTITUTION:Principal components extracted from dried SHIITAKE and onion are mixed with citric acid, a food additive and D-sorbit liquid at prescribed ratios and the mixture is decocted at 90-100 deg.C and treated with a filtration membrane. A magnetic field is applied to the filtrate to obtain the objective drinking water having magnetism. The application of the magnetic field is preferably carried out by leaving the filtrate in a field having a flux density of 400-500 gauss (based on 900ml of the liquid) for 48-50hr.