baber/WOPTO huggingface dataset:
Patent JP-2000232433-A (JP)
Title: Wavelength multiplex optical communication system and optical amplifier
Inventor: TOMOFUJI HIROAKI
IPC: H04B10/296
Filed: 1999-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a WDM optical communication system preventing the reduction of signal light power per wavelength which is contained in the output light of an optical amplifier conducting ALC(automatic level control)-operation and to improve the transmission characteristic of WDM(wavelength multiplex) signal light. SOLUTION: In the system, a plurality of optical amplifiers 41-4n are installed in the middle of an optical fiber transmission line 3 connecting a transmission terminal station 1 and a reception terminal station 2, and each optical amplifier is provided with an input light measuring part 5A measuring input light power, a correction value calculation part 5B obtaining ASE (spontaneous emission) light power on the basis of information on input light power and calculating an output correction value for increasing the output setting level of ALC by ASE light power and a correction execution part 5C correcting the output setting level of each of the optical amplifying devices 41-4n. Thus, signal light power per wavelength which is contained in the output light of each of the optical amplifying devices 41-4n is kept to be constant regardless of the number of wavelengths.
Patent JP-H05220030-A (JP)
Title: Electric feather quilt
Inventor: WATANABE SHINICHI
IPC: A47G9/02
Filed: 1992-02-18
Abstract: PURPOSE:To give nice outward appearance to a cord part on a feather quilt while preventing feathers from coming out by holding a seamed part of cloth and back cloth with a cord case, sewing middle cloth and face one together on the top of the cord case, and sewing the face, middle and back cloths together on all of the rim except the cord case. CONSTITUTION:Face cloth 1 and back one 3 with middle cloth 2 are sewed together like a bag. Feathers A4 are filled into between the face cloth 1 and the middle 2, and feathers B5 between the back cloth 3 and the middle 2. Cloth 13 and the middle cloth 3 are sewed together to prevent feathers B5 from coming out in such a way as to cover a cut 12 and a cord case 10 with the back of the middle cloth 3. At the cord part of the body rim, the face cloth 1 and the middle 3 are sewed together only by the width of the cloth 13. On the other rim, the face, middle and back cloths are sewed together.
Patent JP-H04269610-A (JP)
Title: Method for inspecting periodic pattern
Inventor: MIYATA YUKITAKA
IPC: G01B11/24
Filed: 1991-02-25
Abstract: PURPOSE:To inspect the distribution of the transmittance of the periodic pattern of an object under inspection in high accuracy. CONSTITUTION:The images of transmitted light under the state, wherein an object under inspection is arranged between alight source and a camera, and the image of the light source in the state wherein the object under inspection is removed, are picked up with a camera 3. An offset part is subtracted with respect to the image signal from the camera 3. Then, the signal is amplified. The brightness data of the image of the transmitted light wherein the difference of gradation at the unequal parts of a periodic pattern and the brightness data of the image of the light source are obtained. Operations such as division and subtraction are performed between the brightness data of the image of the transmitted light and the brightness data of the image of the light source are performed. Thus, the influence of the partial sensitivity difference of the camera contained in the brightness data is removed.
Patent JP-H11208515-A (JP)
Title: Driver's seat floor structure of bus
Inventor: ISHIMARU KOJI
IPC: B62D25/20
Filed: 1998-01-27
Abstract: PROBLEM TO BE SOLVED: To provide floor structure of a driver's seat at low cost and effective to prevent movement of a floor of the driver's seat forward and downward at the time of frontal collision by leaving a current floor board as it is. SOLUTION: It is floor structure of a bus driver's seat arranging a floor deformation preventive member 11 to limit frontward movement of a floor member 2 and to prevent downward movement of a driver's seat 1 and the floor member 2 between a lower surface of the floor member 2 on which the bus driver's seat 1 is fixed and a frame member 4 below the floor member 2, when dropping and frontward movement of a floor at the time of frontal collision takes place, the floor deformation preventive member 11 limits frontward movement of the floor member 2 and precisely prevents downward movement of the driver's seat 1 and the floor member 2 and prevents occurrence of injuries of a driving crew, etc.  Additionally, as it is possible to limit frontward movement of the floor member and prevent downward movement of the driver's seat and the floor member only by arranging the floor deformation preventive member between the lower surface of the floor member on which the driver's seat is fixed and the frame member below the floor member, it is possible to avoid increase of weight and cost by providing a common joist material and a reinforcing material, too.
Patent JP-S60201157-A (JP)
Title: Driving mechanism of crank
Inventor: EMU ANDORIYUU ROSU
IPC: F01B9/02
Filed: 1985-02-20
Abstract: @ A crankdrive mechanism for a two piston (1,5) Stirling engine which greatly reduces engine size and weight without increasing complexity or decreasing mechanical efficiency. A single throw crankshaft (20) is located between two cylinders and within the reciprocation limits of at least one of the pistons. An inverted triangular yoke (3) connects a single crankpin (12) with the two piston connecting rods (2,6) which are in turn connected with the respective pistons (1,5). A rocking lever (8) connects the yoke (3) with the engine housing and absorbs any side loads associated with the crankdrive mechanism. Extensive clearance provided between the cylinders and in the pistons (1,5) permits the engine parts to be arranged in a very compact manner with ample running clearance.
Patent JP-S63199830-A (JP)
Title: Method for filtering molten aluminum
Inventor: SUMIYAMA KAZUSADA
IPC: C22B21/06
Filed: 1987-02-14
Abstract: PURPOSE:To effectively filter and remove the inclusion in molten Al by oxidizing a part of the inclusion in a melt treating vessel, and precoating the filter medium of a filter with the obtained oxide at the time of filtering and removing the inclusion in the molten Al. CONSTITUTION:The molten Al in a soaking pit 1 is passed through the melt treating vessel 2 and the filter 14 to filter and remove the inclusion in the molten Al, and then cast by a casting machine 21. In this case, the inclusion- contg. molten Al is firstly charged into a crucible 11 in the treating vessel 2, a partition plate 10 is provided to prevent the direct passage of the melt from an inlet 5 to an outlet 6, and hence the melt is sent down and up in the crucible 11. Meanwhile, the air contg. vapor is blown in from a porous plug 12 through an inlet 7 to oxidize a part of the molten Al to Al2O3. The melt is circulated through a pump 18 and a circulating trough 19 to precoat the filter medium in the filter 14 with the Al2O3, hence even the extremely fine inclusion in the molten Al is filtered and removed, clean molten Al is supplied to the casting machine 21, and high-purity Al can be cast.
Patent JP-H08218553-A (JP)
Title: Mechanical coupling structure of reinforcing bar and execution device of coupling structure and fixing method of coupling structure
Inventor: JIYANNMARII PITSUTON
IPC: E04G21/12
Filed: 1995-02-20
Abstract: PURPOSE: To quickly form joint elements such as screws, etc., in the end of a reinforcing bar in a site for mechanical joint structure of the reinforcing bar of concrete. CONSTITUTION: A bush 11 as a structure member is equipped with a hollow cylindrical body inserting an end 7 of a reinforcing bar 2, and a screw 8, and the hollow cylindrical body and screw 8 are arranged on the coaxial line so that two reinforcing bars 2 arranged with the ends opposite to each other can be combined. By lowering a tool 23 by a piston 21, an outside material of the bush 11 is deformed to the inside. Ribs 10 of the reinforced bar 2 is caught into the hollow cylindrical body of the bush 11, and the reinforced bar 2 is combined with the bush 11.
Patent JP-H04271082-A (JP)
Title: Magnetic recording and reproducing device
Inventor: NOGUCHI TAKASHI
IPC: G11B33/10
Filed: 1991-02-26
Abstract: PURPOSE:To simplify the searching of a desired program and to effectively manage a personal video library by displaying information corresponding to a cassette tape in 2 storage section on a monitor. CONSTITUTION:The information is read at the reading section 2 at the time of loading a cassette tape 1 or after its loading is completed, the information is sent to a system control section 4 and the loaded cassette tape is identified. The information regarding the used tape 1 is stored in a storage section 3 corresponding to information written on the seal of a case. Information as to a value, etc., of a counter at the time of unloading is recorded and updated automatically every time. These bits of information are made into a data base and retrieving, processing, etc., are carried out at the control section 4 irrespective of a cassette tape unit. These bits of information are displayed on the screen of a monitor 14 by operating a remote controller 8 and a key 9.
Patent JP-H11234935-A (JP)
Title: Motor
Inventor: FURUSAWA YOSHIAKI
IPC: H02K5/173
Filed: 1998-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a motor which permits reduction of material cost and further assembling man-hours, and facilitates maintenance, by eliminating its motor housing. SOLUTION: An insulator 6 having a winding receiver 5 axially projected is formed on the teeth 1 of a stator core 3 in proximity to the inside surface of the teeth 1. A fitting section 15 engaging with the circumference of a bearing house 14 for holding a bearing 11 which supports a rotor 10 in a stator 9 with winding 7 installed thereon, in such a manner that the rotor 10 is freely rotatable, is formed on the inside surface of the winding receiver 5. As a result, a motor housing is obviated, assembly man-hours are reduced, and maintenance is facilitated.
Patent JP-S56126345-A (JP)
Title: Multiplex transmitting system of binary signal
Inventor: IWASAKI KENJI
IPC: G06F3/037
Filed: 1980-03-11
Abstract: PURPOSE:To eliminate an effect due to the difference of the earth potential by converting a composite signal composed of several binary coded signals into the corresponding current superposition and then transmitting the signal, extracting it according to the presence or not of an excited light emission of the photodiode. CONSTITUTION:The input 57 of the signal transmitting part 50 is turned on, the current of 1mA flows to the line 80. Then the full current flows to the photodiode 62A of the signal receiving part 60 to excite a light emission. The output transistor 62B is driven by an optical coupling to turn on the output 71. On the other hand, a shunt resistor is included in the photodiode 61A, and thus a sufficient amount of current does not flow to the diode 61A. As a result, the output 72 is not turned on. The current of 10mA flows to the line 80 when the input 57 is turned on. In this case, the current shunted to the diode 61A to secure an excited light emission and to drive the output transistor 61B having a photocoupling to the diode 61A. Thus the output 72 is turned on, and at the same time the full current flows to the photodiode 62A to turn on the output 71.
Patent JP-H07238280-A (JP)
Title: Organic electroluminescent element
Inventor: FUJITA MASAYUKI
IPC: F21K2/08
Filed: 1994-03-01
Abstract: PURPOSE:To obtain the. subject element, having a violanthrone derivative as a dopant in an organic luminous layer, having the peak wavelength within a red to near infrared range and useful as a light source for optical communication. CONSTITUTION:This element has at least an organic luminous layer between a hole injection electrode and an electron injection electrode, a violanthrone derivative, preferably a compound expressed by the formula {R is H, CnH2n+1 [(n) is 1-10], CnH2n+1O, NH2, N(CnH2n+1)2, N(C6H5)2, NO2, CF3 or a halogen} in the above layer and further the peak wavelength at 700-800nm.
Patent JP-2000230244-A (JP)
Title: Hydraulic circuit for construction machine
Inventor: UMEDA SHINICHI
IPC: E02F3/84
Filed: 1999-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a hydraulic circuit for a construction machine capable of preventing the descent of a blade device caused by the tare weight of a blade. SOLUTION: This hydraulic circuit is provided with a first hydraulic cylinder 12 and a second hydraulic cylinder 24 for lifting or lowering the blade of a blade device, a selector valve 40 selecting one of the first hydraulic cylinder 12 and the second hydraulic cylinder 24, an operation valve 50 operating the hydraulic cylinders 12, 24, a load check valve 60 connecting a pipe connected to the blade lifting side oil chamber 12u of the first hydraulic cylinder 12 and a pipe connected to one oil chamber of the second hydraulic cylinder 24 to one common pipe 35 and holding the pressure oil flowing out from the blade lifting side oil chamber 12u at the prescribed pressure, and a check valve 70 provided in parallel with the load check valve 60 and blocking the flow of the pressure oil flowing out from the blade lifting side oil chamber 12u.  The pressure oil flowing out from the blade lifting side oil chamber 12u is held at the prescribed pressure, and the descent of a blade caused by its tare weight can be prevented.
Patent JP-S56126783-A (JP)
Title: Detecting device for mobile object
Inventor: MIYAKE TETSUO
IPC: G01S13/87
Filed: 1980-03-11
Abstract: PURPOSE:To effectively prevent a collision by monitoring with a joint use of direction detecting device of the radar of the other ship and a radar for detecting the location of the other ship. CONSTITUTION:An electromagnetic wave transmitted from the radar for detecting the other ship and received by a reception antenna 1 is identified by a processing part 5 for transmission frequency, azimuth, etc. and an identification information is displayed on an indication part 7 after clarification of its identity as an electromagnetic wave transmitted by the other ship. A signal processing device 6 for a search radar 2 is illustrated. The displayed findings warn a navigator and on account of the continued operation of the search radar 2 for the other ship, the risk that another ship appears suddenly when the effect of a clutter has been reduced to nil, can be eliminated.
Patent JP-S59157186-A (JP)
Title: Wet process for preparation of coal-water slurry having high concentration
Inventor: NAKA AKIHIRO
IPC: C10L1/32
Filed: 1983-02-25
Abstract: PURPOSE:To obtain a homogeneous coal-water slurry having high concentration and fluidity, and excellent long-term stability, by charging a wet mill simultaneously with roughly crushed coal, water and a specific pulverization assistant, and carrying out the pulverization until the particle size is reduced to a specific level. CONSTITUTION:A wet mill is charged simultaneously with (A) roughly crushed coal, (B) water and (C) a pulverization assistant containing, as an essential component, a polyether compound (derivative) having a molecular weight of 16,000- 300,000 and obtained by the addition of an alkylene oxide to an alcohol (derivative) having >=3 (preferably >=5) active hydrogen atoms in the molecule, and the coal is pulverized until the ratio of the coal particles passing through a 200 mesh sieve reaches 70-90wt%. The objective coal-water slurry having a coal concentration of 60-80% can be obtained thereby.
Patent JP-S59158339-A (JP)
Title: Temperature control method of diesel engine
Inventor: TANAKA SHINICHI
IPC: F02D41/40
Filed: 1983-02-26
Abstract: PURPOSE:To smooth the combustion of an engine, by controlling the injection timing of fuel in accordance with a temperature of the Diesel engine. CONSTITUTION:The temperature of oil in an engine is detected by a temperature sensor 1. Said temperature is input to a microcomputer, obtaining the injection timing of fuel. The microcomputer 8 gives a control signal to an oil pressure control valve 4 through an output interface 12. This oil pressure control valve 4, being inserted between a timing gear 13 and a rotary shaft 14 and applying a change of oil pressure to an actuator 5, controls a phase difference of rotation between the timing gear 13 and an injection pump 10. In this way, combustion of the engine is smoothed.
Patent JP-H06250670-A (JP)
Title: Diagnostic device for active noise eliminating device
Inventor: SARUTA SUSUMU
IPC: G10K11/16
Filed: 1993-02-22
Abstract: PURPOSE:To attain the active noise eliminating device operation with high reliability by attaining the diagnoses of the attaching conditions in a speaker, a sound source microphone and an evaluation microphone, etc., and the connecting condition in a signal transmission system in the active noise eliminat ing device. CONSTITUTION:A random noise signal is outputted from a noise generator 38, and an inspection sound is outputted into a blower duct 21 from the speaker 23. The inspection sound is received by the sound source microphone 22 and the evaluation microphone 24 to be fetched to a diagnostic circuit 37. The impulse responces are detected by adaptive filters 39, 40 and arithmetic and logic units 41, 42 to detect these peak positions, and the active control is attained by switching changeover circuits 29a to 29c when the normal peak positions are decided by peak position decision circuits 44, 45. The attaching misses and the connecting misses in the speaker 23, the microphones 22, 24, etc., are diagnosed rapidly, and the reliability in the active noise elimination control is improved.
Patent JP-S57147347-A (JP)
Title: Stereophonic demodulating circuit for am and pm system
Inventor: ASABA KOUJI
IPC: H04H1/00
Filed: 1981-03-05
Abstract: PURPOSE:To prevent a decrease in stereophonic separation with an antenna input by adding an automatic level control circuit to the PM system of a conventional stereophonic demodulating circuit. CONSTITUTION:An ALC (automatic level control) circuit 13 is added between the PM detector 10 and matrix circuit 6 of a general stereophonic demodulating circuit, and the DC control voltage of an AM detector 7 to be applied to an AGC (automatic gain control) circuit 12 is added to the control voltage for the circuit 13 while the both are put out of phase with each other. Further, when the control voltage is so set that the circuit 13 operates with a lower input than the circuit 12, an output P varies in level similarly to an output A, and therefore the outputs P and A have no level difference, so that their ratio is made constant. Further, S=(A+P)/(A-P), where S is stereophonic separation, and when A=P, the separation has a maximum value. Therefore, this circuit sets the separation S large invariably without reference to variation in antenna input, and is effectively used for a carmounted stereo, etc., having frequent variation in input.
Patent JP-S57158218-A (JP)
Title: Manufacture of high concentration low viscosity solution of melamine/aldehyde resin
Inventor: TEODOORU AA BIYURUGE
IPC: C04B24/30
Filed: 1982-03-02
Abstract: Highly concentrated aqueous solutions of low viscosity of melamine/aldehyde resins are obtained by reacting to a precondensate in a first step melamine and an aldehyde in an alkaline medium and in the presence of water together with at least one compound (I), selected from the group, consisting of an alkali sulfite, an alkaline earth sulfite, an amino sulfonic acid, an amino carboxylic acid, a hydroxycarboxylic acid, a hydroxycarboxylic acid lactone, and a polyhydroxy carboxylic acid lactone, reacting then the thus obtained mixture in a second step with at least one compound (II), selected from the group, consisting of an amino carboxylic acid, a carboxylic acid, a hydroxy carboxylic acid, a hydroxy carboxylic acid lactone, a sulfamic acid, an amino sulfonic acid, a polyhydroxy carboxylic acid and a polyhydroxy carboxylic acid lactone, and then making alkaline the obtained resin solution by adding at least one basic compound (III). The resin solutions prepared according to this invention may be used as added substances for improving the quality of building materials containing inorganic binders.
Patent JP-H10229507-A (JP)
Title: Video signal processing circuit
Inventor: HASHIMOTO JUNJI
IPC: H04N5/21
Filed: 1997-02-17
Abstract: PROBLEM TO BE SOLVED: To make a filter coefficient large while suppressing blurs to after images in a weak electric field area and to improve S/N largely by providing a filter coefficient setting part for changing the setting of a memory for the filter coefficient. SOLUTION: A memory 9 for the filter coefficient is constituted of a RAM to rewritably store the filter coefficient K with an S level as a parameter. The filter coefficient setting part 10 is composed of a CPU and sets the data of the filter coefficient K with the S level as the parameter in the memory 9 based on information from a car speed sensor and a tuning button. The filter coefficient setting part 10 outputs signals for performing tuning control to a television tuner 1 based on the information from the tuning button. Then, based on the data signals of the S level from an A/D converter 7, the filter coefficient K is read from the memory 9 and 1-K and K are set in amplifiers 2 and 5 respectively as an amplification degree.
Patent JP-H05228371-A (JP)
Title: Exhaust gas purifying catalyst
Inventor: WATANABE YASUTO
IPC: B01D53/94
Filed: 1992-02-19
Abstract: PURPOSE:To improve the heat resistance and activity of an exhaust gas purifying catalyst of a metal-contg. silicate such as zeolite. CONSTITUTION:A catalytic material obtained by depositing a transition metal on a metal-contg. silicate by ion exchange and an inorg. porous diatomaceous earth having no ion-exchange site are mixed, the carrier is wash-coated with the mixture to form a catalyst bed, and the catalyst bed is calcined to obtain the catalyst.
Patent JP-H04246972-A (JP)
Title: Picture quality improving device
Inventor: ITO SHIGEHIRO
IPC: H04N9/68
Filed: 1991-01-31
Abstract: PURPOSE:To supply a picture quality improving device which is suitable for a video unit, which can add an edge emphasis component to the inclination part of an input signal in a natural form without giving a sense of incompatibility to an appreciating person and has no color slurring, etc. CONSTITUTION:A first envelope signal Sd is obtained from the input signal Sa by an orthogonal high pass filter 1, an in-phase high pass filter 2 and an amplitude synthesizer 3. A second edge emphasis component Si is obtained from the first envelope signal Sd by an orthogonal high pass filter 4, an in-phase high pass filter 5, an amplitude synthesizer 6, a waveform forming unit 7 and a subtracter 8. A first edge emphasis signal Sj is obtained from the second edge emphasis signal Si, the first envelope signal Sd and a first in-phase signal Sc by a forming unit 9 and an adder 10 adds the first edge emphasis signal Sj to the input signal Sa so as to obtain an output signal Sk whose edge is emphasized.
Patent JP-S58149186-A (JP)
Inventor: CHIYUUMA TOSHIKI
IPC: B25H7/04
Filed: 1982-03-03
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。