baber/WOPTO huggingface dataset:
Patent JP-H057162-A (JP)
Title: Radio receiver
Inventor: ISOBE TAKASHI
IPC: H04B1/26
Filed: 1991-06-27
Abstract: PURPOSE:To attenuate the leakage of a local oscillation signal to the intermediate frequency amplifier and to reduce the generation of a beat by inserting a low pass filter LPF between a mixer and an intermediate frequency amplifier. CONSTITUTION:A desired reception signal inputted from an antenna 1 is amplified by a high frequency amplifier 2 and the amplified signal is inputted to a mixer 4. The signal is mixed with a local oscillation signal inputted from a local oscillator 3 at the mixer 4 and the result is inputted to an LPF(low pass filter) 9 as an intermediate frequency signal. In this case, the leakage component of the local oscillation signal is inputted similarly to the LPF 9. However, the intermediate frequency signal is sent to the amplifier 5 with a loss of a degree not giving effect onto the sensitivity in the LPF 9 and the leakage component of the local oscillation signal is largely attenuated. Thus, the generation of a beat signal between the harmonic wave of the intermediate frequency signal and the leaked component of the local oscillation signal in the amplifier 5 is improved.
Patent JP-H0713854-A (JP)
Title: Fast memory access system
Inventor: YAMAZAKI MICHIKO
IPC: G06F12/02
Filed: 1993-06-28
Abstract: PURPOSE:To provide a fast memory access system which makes fast access possible by using a low-speed memory as to a system which performs memory access fast. CONSTITUTION:The memory access system reads out data of plural RAMs 21-24 in order according to address specification from a CPU 1 and inputs them to the CPU 1; and the respective RAMs 21-24 are always placed in operation to read the data out according to the high-order bits of an address from the CPU 1, a decoder 6 is provided to decode the low-order bits of the address from the CPU 1, and buffers 41-44 are provided to transfer the read data from the RAMs 21-24 to the CPU 1 according to the decoding output. Further, an address variation detection part 7 is provided to send an ACK signal indicating the end of a read back to the CPU 1 without any wait when the address from the CPU 1 monotonously increases or to send the ACK signal back to the CPU 1 a specific wait time later when the address greatly varies.
Patent JP-H11849-A (JP)
Title: Work changing device for machine tool
Inventor: INUI KENJI
IPC: B23Q11/08
Filed: 1997-06-13
Abstract: PROBLEM TO BE SOLVED: To provide a work changing device for a machine tool capable of eliminating the need for an escape window for avoiding interference between a splash protecting plate and a supporting member and improving splash protecting function. SOLUTION: This work changing device changes a machined work W1 mounted at the A-side part in a machining area of a machining table 10 for a not-machined work W2 mounted at the B-side part in a standby area by turning the machining table 10 around a turning axis C. In this case, a splash protecting plate 20 to partition a space above the machining table 10 into an A-side space in the machining area and a B-side space in the standby area is arranged on the upper face of the machining table 10 to be oscillatable around an oscillation axis D perpendicular to the turning axis C, and a supporting member 25 is provided to support the splash protecting plate 20 inclined to the B-side in the standby area, so that the A-side space in the machining area becomes larger than the B-side space in the standby area,  and arranged to be inclined at almost the same angle as the inclination θ of the splash protecting plate 20. The upper side 20b of the splash protecting plate 20 is supported by the supporting member 25 to be relatively moved with the turning of the machining table 10.
Patent JP-H088781-A (JP)
Title: Spread spectrum communication system by time waveform modulation
Inventor: AZEYANAGI KATSUYOSHI
IPC: H04B1/69
Filed: 1994-06-15
Abstract: PURPOSE:To improve efficiency of the frequency band of a system by modulating a spreading code series after a band pass form multilevel sine wave modulation is preliminarily performed. CONSTITUTION:A transmitter TX performs a first modulation making discrete information correspond to a time waveform by data D to be transmitted in a modulator 11 and performs a second modulation modulating a spreading code by the first modulation output in a modulator 12. Next, the carrier wave f0 of a radio frequency band is modulated in a modulator 14, the signal of a radio band is prepared and the signal is transmitted to a transmission line 15. A receiver RX multiplies the reception signal amplified by a demodulator 24 by a local carrier wave fL, takes out the signal via an LPF 25, performs a second demodulation by the spreading code in a demodulator 22 and performs the first demodualtion corresponding to the first modulation for the second demodulation output in a demodulator 21. The first demodulation output is decided and discrete information is detected. Thus, transmission capacity becomes possible to be improved without lowering a reception SN ratio and an error ratio.
Patent JP-H0448134-A (JP)
Title: Air conditioner
Inventor: HOSHINO HIROSHI
IPC: F24F11/04
Filed: 1990-06-16
Abstract: PURPOSE:To supply a proper amount of air to each of rooms by a method wherein the degree of opening of a damper for use in adjusting the amount of air for each of branch passages of a duct for distributing indoor device blown air to a plurality of rooms is controlled in response to a load of its corresponding room and the speed of an indoor fan is controlled in response to the sum of the degree of opening of damper and the size of the branch passage. CONSTITUTION:Operations switches for all remote controllers 70 are turned on and then an indoor device 20 and an outdoor device 40 are operated. The degree of opening of each of dampers 31, 32 and 33 is controlled in response to the air conditioning load of each of rooms 1, 2 and 3, the amount of blown air for each of the rooms is adjusted and a compressor 41 is controlled in response to a total sum of the air conditioning loads of each of the rooms. A control part 60 replaces the degree of openings of each of the dampers 31, 32 and 33 with a hexadecimal value, calculates it and gets a total sum of the degrees of opening of the dampers as the numerical data. Provided that since the branch passage 13 is larger than the branch passages 16 and 18, so the hexadecimal value corresponding to the degree of opening of the damper 31 is employed to have double value. In this way, the amount of blown air is increased in response to the size of the branch passage, thereby there is no lack of air blown for the room 1 and it is further possible to supply the proper amount of air to each of the rooms.
Patent JP-S6136650-A (JP)
Title: Air conditioner
Inventor: TANIZAKI MITSURU
IPC: F24F11/00
Filed: 1984-07-27
Abstract: PURPOSE:To prevent a power circuit from increasing its size in an air conditioner which increases or decreases the number of compressors to be operated by providing an inverter circuit carrying out power supply to a plurality of compressors further providing control means for decreasing the output frequency and voltage of the inverter circuit upon starting respective compressors, and suppressing the starting currents of respective compressors. CONSTITUTION:When an operation starting instruction signal enters a control part 20, the control part 20 operates a relay 3, and a compressor motor 11 starts its operation to start a first compressor. In this case, since the output of the inverter circuit 2 assumes a low frequency and a low voltage, the starting current becomes forcibly small. When the starting of the first compressor is completed, the control part 20 increases the output frequency and voltage (V/F) of the mode operation due to the first compressor, the temperature within the compartments of the train is not lowered contrary to expectation, the control part 20 further operates a relay 4 and decreases the output frequency and voltage of the inverter circuit 2 to suppress the starting current to a sufficiently small value. When the starting of a second compressor is completed, the control part 20 increases the output frequency and voltage (V/F) of the inverter circuit 2. Thus, the first and second compressors enter a steady operation, and the cooling operation of the maximum capacity is performed.
Patent JP-S5488006-A (JP)
Title: Fault detection system for circuit control unit
Inventor: ISHIKAWA TAKASHI
IPC: H04L69/40
Filed: 1977-12-26
Abstract: PURPOSE:To secure an automatic fault detection for the circuit control unit and thus to increase the reliability by monitoring the output of the timing source control circuit within the circuit control unit through the time-limit discharge circuit. CONSTITUTION:The logic clock of each part is delivered at clock oscillation part CL of timing source control circuit TSC; the control timing is delivered at decoder DEC; and the scanning circuit number sampling clock, the circuit timing and others are delivered at multi-step FF respectively. Monitor terminal A and B of final step FFn of TSC are connected to fault detector circuit FDC, and each positive and negative output of FFn is supplied to time-limit discharge circuit C1.R1 and C2.R4 containing relay RLYA and RLYB. With these time-limit detection signals, the fault of TSC is alarmed or displayed.
Patent JP-S5946721-A (JP)
Inventor: MIMORI KENICHI
IPC: H01H13/70
Filed: 1982-09-10
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。
Patent JP-H066326-A (JP)
Title: Digital signal processing controller for radio receiver
Inventor: TSUTSUI KOICHI
IPC: H04L1/00
Filed: 1992-06-16
Abstract: PURPOSE:To prevent malfunction due to erroneous demodulation of a control signal by discriminating the validity of received control data when a received electric field is weak and inhibiting the signal processing through the discrimination of invalidity. CONSTITUTION:An error detection/error correction validity discrimination means 6 receives a voltage signal representing a reception electric field strength from a reception electric field strength detection means 5 at its one input terminal and a reference voltage discriminating validity for error detection and error correction at its other input terminal and compares both the inputs to output the result of comparison to a switch means 7. The reference voltage is preset by a signal processing means 3 based on the relation between an error rate of a demodulation signal from a radio reception section 2 and the reception electric field strength. Then even when the reception electric field strength from the means 5 is fluctuated, when the electric field strength is larger than the reference voltage, the means 6 outputs a signal representing valid control data to the means 7, and the means 7 is closed. When the electric field strength is smaller than the reference voltage, the means 6 outputs invalid control data to the means 7 and the means 7 is opened.
Patent JP-S5783797-A (JP)
Title: Gas pressure regulator
Inventor: WATANABE KAZUYOSHI
IPC: F17C13/00
Filed: 1980-11-06
Abstract: PURPOSE:To improve the reliability of a gas pressure regulator for supplying CO2 gas to a CO2 gas shielded welder by heating a gas pipe in the regulator to predetermined temperature by a self temperature control type heater using a conductor having a thermister characteristics wound on said gas pipe. CONSTITUTION:A straight or slightly bent gas introduction pipe 16 is provided in a gas pressure regulator casing 9, a self temperature control type heater wire 17 insulated by plastics and the like being wound on the outside of said pipe 16 to heat the gas by the heat generated by said heater wire 17 which consists of a conductor 18 having thermister characteristics covered by a heat resistant and flexible insulating plastics 19 and has a characteristic to increase its electric resistance when the temperature reaches specific level. Heating of the gas to predetermined temperature utilizing this characteristic gives higher degree of reliability unlike the incorrect actuation of a thermostat, and provides an inexpensive gas pressure regulator of simple construction.
Patent JP-S5488503-A (JP)
Title: Tread pattern for tire
Inventor: KOJIMA HIROSHI
IPC: B60C11/04
Filed: 1977-12-26
Abstract: PURPOSE:To improve the draining effect of the tread pattern for a tire while effectively maintaining tire driving and braking characteristics by providing main oblique grooves extending in network state while expanding the width of the grooves from the center to both ends of the tread for the tire. CONSTITUTION:There are provided main grooves 2, 3 of U or U shape or the like in cross section extending obliquely from the peripheral center line O-O toward the tread ends designated by lines E-E and E'-E' in a network pattern to form lozeng blocks 4 to 6 in such a manner that the angles alpha, beta of the center lines j-j l-l of the grooves 2, 3, respectively are 30 deg. to 50 deg. with respect to the center line O-O, and the grooves are gradually increased in width from the center of the treat toward both ends so that the widths a', b' thereof at the both ends are 1.5 to 2.5 times as large as the widths a, b thereof at the center at the tread surfce position. Thus, the grooves 2, 3 are opened toward the periphery of the grounding surface of the tire to enhance the draining effect at raining time and effectively maintain the tire driving and braking characteristcs of the tire via the blocks 4 to 6 groups.
Patent JP-2000343963-A (JP)
Title: Start-assisting device for vehicle
Inventor: AOKI JUN
IPC: B60L50/16
Filed: 1999-06-03
Abstract: PROBLEM TO BE SOLVED: To reduce shock at the time of starting start-assisting, and to restrain the rush current of an electric motor to a low level, in a device constituted to drive the driven wheel of a vehicle by the electric motor to assist the start. SOLUTION: A hydraulic clutch 8 is interposed in a power transmission route between an electric motor 6 and driven wheels 4L, 4R to supply oil to the clutch 8 by a hydraulic pump 10 driven by the motor 6. Oil supplying pressure from the pump 10 is low in a low rotational-speed region of the motor 6 to generate slide of the clutch 8. Driving torques of the driven wheels 4L, 4R are thereby led moderately.
Patent JP-S6048421-A (JP)
Title: Ceramic glow plug
Inventor: ITOU TSUNEO
IPC: F23Q7/00
Filed: 1983-08-26
Abstract: PURPOSE:To maintain durability and to reduce a manufacturing cost, by a method wherein a metallic outer cylinder is formed by a stainless steel material, and a copper-brazing is applied between the outer periphery of a ceramic heater and the inner wall of the metallic outer cylinder. CONSTITUTION:A ceramic heater 1 is engaged with the inner wall of a metallic outer cylinder 4 of a stainless steel material, the forward end thereof is properly exposed from the forward end of the metallic outer cylinder 4 and is held. Copper-brazing between the ceramic heater 1 and the metallic outer cylinder 4 can be effected without reduction action of oxide. Such metallic outer cylinder of a stainless steel material has resistance to oxidation, and thereby the ceramic heater can be decreased in an exposed area size and breaking can be prevented from occurring. Furthermore, in case a copper-brazing material is used, a low quality silver brazing material can be used for bonding together of the metallic outer cylinder 4 and a metal 6, resulting in sharply reducing a manufacturing cost.
Patent JP-H08326706-A (JP)
Title: Load sensing circuit
Inventor: KASHIWAGI MASAO
IPC: F15B11/00
Filed: 1995-05-31
Abstract: PURPOSE: To surely detect a switching signal of a selector valve even if a counter load is applied on an actuator. CONSTITUTION: Selector valves 3, 4 are connected to actuators 1, 2 and are provided with load pressure detecting ports (communicating ports 24, 25) for detecting the load pressure of the actuator. A pump is controlled in response to the load pressure detected by the load pressure detecting ports and the actuators are supplied a constant amount of flow independently of the load pressure. Moreover, strictors 38, 39 are disposed between the load pressure detecting ports and the actuator and the load pressure detecting ports are provided with a load pressure detecting part 35.
Patent JP-2000346171-A (JP)
Title: Differential limiting device
Inventor: ITO YOSHITAKA
IPC: F16H48/295
Filed: 1999-06-04
Abstract: PROBLEM TO BE SOLVED: To set a differential limit suitable to any traveling condition by providing a pressure chamber connected to a control working fluid system on an input-side rotator, supplying a working fluid having a pressure changed according to the traveling state of a vehicle to the pressure chamber, and pressing an interior member onto the input-side rotator. SOLUTION: In this differential limiting device comprising a pair of disc plates 3, 3 concentrically arranged opposite to each other and a plurality of balls 5 held by a ball holder 4 in such a manner as to be capable of rolling and interposed between the disc plates 3, a piston 14 is arranged between the flat washer 8 of one disc plate 3 and a differential case 1. X-rings 15, 16 are interposed between the piston 14 and the insides 1g, 1h of the differential case 1 to form a pressure chamber 17. An oil pressure changed according to the traveling state of a vehicle is supplied from a control hydraulic system to the pressure chamber 17, whereby a piston 16 is moved to the left, and the disc plates 3, the balls 5 and a needle bearing 8 are pressed mutually to generate a differential limiting torque.
Patent JP-H04354968-A (JP)
Title: Method for assembling seat back integral with head rest
Inventor: INOUE NOBUHIRO
IPC: A47C31/02
Filed: 1991-05-31
Abstract: PURPOSE:To improve the visual quality and assembly property of a head rest in a seat back of an automobile seat which has the head rest integral with the upper part and a head rest cover and trim cover for the seat back united with each other to constitute the head rest. CONSTITUTION:A head rest cover 4 previously sewn into a bag-like form is sewn integrally on a seat back trim cover 1. After the head rest cover 4 and trim cover 1 are turned over to bond the body 11 of the trim cover 1 to a pad 2, the head rest cover 4 and trim cover 1 are folded back to attach a frame 3 to the pad 2 while inserting the head rest pad 5 with a head rest frame 6 in the head rest cover 4.
Patent JP-H05320925-A (JP)
Title: Plating pretreatment
Inventor: SHIOI TOSHIKATSU
IPC: C23C18/30
Filed: 1992-05-25
Abstract: PURPOSE:To reduce the number of pretreating processes for partial plating by applying the mixed coating solution of metallic powders with an organic solvent on a part to be electroless plated in a synthetic resin molding and to perform a catalytic activation treatment. CONSTITUTION:The mixed solution of the metallic powders with the organic solvent is applied on a synthetic resin molded body 1 to form a coated film 2. The excess metallic powders are removed by ultrasonic cleaning, recovered and reused as a raw material for preparing the mixed coating solution. A copper plating coated layer 3 is formed by electroless plating after catalytic activation. Since the metallic powders are firmly bitten into the dissolved part of the surface of the synthetic resin 1 by the organic solvent so that a part of the metallic powders are exposed on the surface of the molded body and integrally fixed, the plating coated layer 3 excellent in adhesive strength is formed.
Patent JP-H0914496-A (JP)
Title: Opening/closing valve
Inventor: HISAKABE SHIYUUSUKE
IPC: F16K47/02
Filed: 1995-06-23
Abstract: PURPOSE: To provide an opening/closing valve which is slowly operated and adopted to a refrigeration cycle. CONSTITUTION: A valve main body 10 has an inlet port 12 and an outlet port 14, both of which are connected to each other through an orifice 16. A valve body 42 contact with a lower end of a stem 40 is energized to the orifice 16 by means of a support member 36 and a spring 38. A flange 44 on an upper portion of the stem 40 is slidably inserted into a casing 52, and sandwiched by means of three springs 60, 63, 64 and a bias spring 62. The springs 60, 63, 64 are formed of shape memory alloy, and housed in a cap 54 which is made of material of good heat conduction. An electric heater 70 is arranged on an upper portion of the cap 54, and connected to an external power source through lead plates 72, 74. When the electric heater 70 is heated for heating the springs 60, 63, 64, the temperature thereof reach operating values. Then the springs are extended.  The valve body 42 is pressed down from the orifice for opening. When current carrying to the electric heater is stopped, the valve is closed.
Patent JP-H1013418-A (JP)
Title: Lan switch
Inventor: MUROGUCHI TAKEHIRO
IPC: H04L12/70
Filed: 1996-06-19
Abstract: PROBLEM TO BE SOLVED: To decentralize and utilize the load between multiplied cascade connections by generating a table which indicates the repeating of received packets to a multilink port from multilink information and making good use of the repeating through load decentralization. SOLUTION: When a packet is received, it is confirmed whether or not the destination device name of the packet is stored in a device management table 205 in an address monitor process part 204. When the name is stored, it is decided whether or not a desired port number corresponds to a multilink port. If so, a port number where a flag of a multilink port determination part 202 illuminates is assigned and repeated and when not, it is repeated to the corresponding port. When the destination device mane is not stored and the port is a multilink port, the device name and a value indicating the multilink port are stored in the table 205. If the port is not the multilink port, the device name and port number are stored in the table 205. Further, the received packet is repeated to all ports other than the reception port.
Patent JP-S5857681-A (JP)
Inventor: TERENSU UIRIAMU GANDAA
IPC: B42F17/32
Filed: 1982-09-10
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。
Patent JP-H097679-A (JP)
Title: Connector
Inventor: HASHIGUCHI TORU
IPC: H01R13/46
Filed: 1995-06-23
Abstract: PURPOSE: To provide a connector in which a hood is never deflected on the longitudinal surface (vertical surface) side of the connector. CONSTITUTION: In a connector having a hood 3 for covering a connector body 1 on the outside of the connector body, the engaging part of the hood 3 with the shell 13 of the connector body 1 is provided in the central part on the longitudinal surface side of the connector. Thus, the hood is never deflected on the longitudinal surface, and a clearance can be prevented from being formed between the hood and the shell.
Patent JP-H06347172-A (JP)
Title: Denitration device of kiln for light-weight aggregate
Inventor: SEDAKA RYUSUKE
IPC: F27B7/32
Filed: 1993-06-03
Abstract: PURPOSE:To provide a denitration device which can effectively perform a denitration process by adding ammonia or an ammonia compound at a low cost even for a rotary kiln for burning of a light-weight aggregate, of which the exhaust gas temperature is comparatively low. CONSTITUTION:Denitration agent feeding ports 9, 10 with a cover to communicate the inside and outside of a rotary kiln are provided at around an intermediate location of a body part 2 of the rotary kiln 1 to burn a light-weight aggregate, and lid body opening/closing mechanisms 13, 14 to open the denitration agent feeding ports when the denitration agent feeding ports face a specified direction are provided on lid bodies 11, 12 for the denitration agent feeding ports. In addition, denitration agent feeding mechanisms 15, 16 to inject a urea solution into the rotary kiln by a high pressure from the feeding ports, while linking with the opening motion of the lid bodies at the denitration agent feeding ports, are provided around the outer periphery of the body part of the rotary kiln.