baber/WOPTO huggingface dataset:
Patent JP-H03222356-A (JP)
Title: Auto-bias circuit
Inventor: HASHINAGA TATSUYA
IPC: H01L27/06
Filed: 1990-01-26
Abstract: PURPOSE:To enable a self-bias circuit to keep unchanged in initial characteristics even under a radiation environment by a method wherein a resistor means connected to an FET is formed of the majority.carriers as the FET in an active layer and so constituted as to operate under a radiation environment in common with the FET. CONSTITUTION:A circuit is formed of an FET Q1, where its drain is connected to a power supply VDD through the intermediary of a resistor RD and its source is connected to a ground through the intermediary of a resistor RS and a capacitor C connected in parallel. An input is connected to the gate of the FET Q1, and an output is connected to the drain of the FET Q1. The FET Q1 is an N-type MESFET using GaAs as base material, and the resistor RS is formed of the same majority.carriers as the FET Q1 in the same active layer with the FET Q1. In this circuit, the FET Q1 and the resistor RS surrounded with a dotted line in a figure is exposed to a common radiation environment. When the N-type GaAs MESFET is irradiated with gamma-rays, lattice defects occur in a semiconductor, so that the defects concerned function as electronic traps to lessen effective carriers.
Patent JP-H05218908-A (JP)
Title: Monitor for state of transmission line
Inventor: ITO MASAO
IPC: H04L12/40
Filed: 1992-02-03
Abstract: PURPOSE:To always monitor a state of a transmission line and acquire each state of transmission in terms of time by detecting a DC current at each station through the DC coupling of the transmission cable system and recording the extracted DC component at other end of a trunk cable. CONSTITUTION:The entire transmission cable system including a drop cable 3 and a tap 4 is coupled with a DC power supply 6, and each station 2 uses a transmission line state detection circuit to detect the presence of a DC current without use of a measurement device through a trunk cable 1, the tap 4 and the drop cable 3 or the like. On the other hand, the DC component is extracted at other end of the cable 1 via a termination resistor 7 and a capacitor 9 connected in parallel therewith, the result of extraction is recorded by a recorder being a transmission line state recording means, the state of the transmission line is always monitored and the state of each transmission line is detected timewise.
Patent JP-S62175216-A (JP)
Title: Back door structure of automobile
Inventor: HARASAKI HAYAJI
IPC: B60J5/10
Filed: 1986-01-29
Abstract: PURPOSE:To improve the extent of rigidity in a back door body, by forming each surface of upper and lower frames in the back door body with both upper and lower outer panels as well as forming an outer surface of a side frame with reinforcement. CONSTITUTION:A back door body 1 is formed by upper and lower frames 2 and 3 extending in a car width direction and symmetrical frames 4 connecting these upper and lower frames 2 and 3, while it is provided with a window opening part 5 at the central part, and a window glass 6 is attached to this body 1. In this case, in this body 1 there are provided with an inner panel 7 forming the whole inner surface of these frames 2-4, a reinforcement 8 continuously extending in each longitudinal direction of these frames 2-4 in opposition to the inner panel 7 and both upper and lower outer panels 9 and 10 forming each outer surface of these upper and lower frames 2 and 3. With this constitution, these upper and lower frames 2 and 3 form a closed cross section at each of these panels 7, 9 and 10.
Patent JP-S54111152-A (JP)
Title: Separating type air harmonizer
Inventor: KOBAYASHI TETSUO
IPC: F25B47/02
Filed: 1978-02-20
Abstract: PURPOSE: To obtain a less-noise-and-vibration air harmonizer by introducing high- temperature-and-highly-compressed freezing (or cooling) media discharged from a compressor into No. 2 heat exchanger through a condenser of an outdoor unit during defrosting of the No. 2 heat exchanger acting as an evaporator at the time of dehumidifying operation.  
     CONSTITUTION: An outdoor unit A is equipped with a compressor 1, a condenser 2 provided at discharge side of the compressor 1 and an air-liquid separator 3 provided at suction side of the compressor 1, and these are connected one another by a freezing media piping 4. An outdoor unit B is equipped with No. 1 heat exchanger 5, No. 2 heat exchanger 6, a pressure-reducing expander 6 and an ON-OFF valve 8 which are provided at the entry side of the No. 1 heat exchanger in parallel with each other, and a pressure-reducing expander 9 and an ON-OFF valve 10 which are arranged in parallel with each other between the No. 1 heat exchanger 5 and the No. 2 heat exchanger 6, and these are connected one another by means of the freezing media piping 4. A freezing media piping 4a behind the No. 2 heat exchanger 6 is to be provided with a heat sensor 11 to control the ON-OFF valve 10. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H01191819-A (JP)
Title: High variable power zoom lens
Inventor: ENDO HIROSHI
IPC: G02B15/20
Filed: 1988-01-28
Abstract: PURPOSE:To obtain the title lens being compact and having a high variable power ratio by fixing second and the fifth lens groups, moving first and third lens groups, and fourth lens group to an object side and an image side, respectively and specifying a focal distance of the first - the third lens groups. CONSTITUTION:The title zoom lens is provided with the first lens group 1, the second lens group 2, the third lens group 3, the fourth lens group 4 and the fifth lens group 5 having refracting power of positive, negative, positive, negative and positive in order from an object side. At the time of varying power from a wide angle end to a telephoto end, the lens groups 2, 5 are fixed, and both the lens groups 1, 3, and the lens group 4 are moves to the object side and an image face side, respectively. Also, when focal distances of the lens groups 1, 2 and 3, and a focal distance of the whole system are denoted as f1, f2 and f3, and FT, respectively, they are set so as to satisfy conditions of the expressions I, II and III. In such a way, the zoom lens which is compact and has increased a variable power ratio can be formed.
Patent JP-2000217233-A (JP)
Title: Transmission tower
Inventor: YOSHIDA ATSUYA
IPC: H02G7/20
Filed: 1999-01-26
Abstract: PROBLEM TO BE SOLVED: To reduce the size of a transmission tower so as to reduce the intervals among power lines, by providing tower bodies in parallel with each other at an interval in the laying direction of the power lines and attaching insulator devices which support the power lines to the tower bodies, and then, providing a jumper for power line between the front ends of the insulator devices. SOLUTION: In a tower structure 10, two tower bodies 11 are arranged in parallel with each other at an interval in a direction which is roughly equal to the laying directions of power lines 4 and insulator device 12, and attached to the tower bodies so that each device 12 may be faced to the other tower body 11. The front ends of the insulator devices are brought nearer to each other and a jumper 4a is provided between the front ends of the insulator devices 12 while the devices 12 support the power lines 4. Consequently, the clearance to be secured around the jumper 4a for the oscillation of the jumper 4a by winds can be made smaller and the size of a transmission tower can be reduced by shortening the horizontal and vertical intervals among the power lines 4. Therefore, the erecting lot of the transmission tower can be reduced in area.
Patent JP-S57132073-A (JP)
Title: Control circuit of phase and amplitude
Inventor: KOBAYASHI TADASHI
IPC: G01S1/50
Filed: 1981-02-09
Abstract: PURPOSE:To put even the final stage into a control loop and to ensure the stabilization for a radio navigation device, by comparing and controlling the phase and the amplitude between both signals of a side band wave and a carrier wave at the final output of the navigation device. CONSTITUTION:A coupling circuits 1 and 2 take out a part of both carrier wave and side band wave signals equivalent to the final signals of respective devices. The output of the circuit 1 is divided into two parts by a distributor 3. A synthesizing circuit 5 gives the vector synthesization to the carrier and side band waves, and the high frequency signal of the output receives a wave detection 6 to form an envelope waveform. This waveform produces a level difference of DELTAL for each adjacent half wave when the phase is set at 90 deg.+alpha deg. between the carrier and side band waves. The polarity is given to each adjacent waveform through a polarity circuit 8, and the plus and minus polarities are decided so that the loop including a phase controlling circuit 11 which is finally controlled is turned into a negative feedback loop. The height of the plus and minus signals is proportional to DELTAL, and the levels are compared with each other through a comparator 9. Then the output of comparison is applied to the circuit that controls the relative phase between the carrier and side band waves of the device. Thus DELTAL is set to zero by the circuit 11.
Patent JP-S63185228-A (JP)
Title: Viterbi decoder
Inventor: MATSUSHITA KOJI
IPC: H04L25/08
Filed: 1987-01-28
Abstract: PURPOSE:To reduce excessive enhancement for a high frequency band or a low frequency band due to an equalizing filter, by preparing a coefficient string equivalent to inter-code interference, and providing devices which take the coefficient string and a product of combination strings of a remaining path and a decoding assumptive value, respectively, and an adder/subtractor which reduces each output of a sum of product from an input value. CONSTITUTION:Data strings cm(m=0-n) which represent the intercode interference are held in a register 55. The cm is added on the input on one side of sum of product apparatuses 51-54, and decoding systems (j) and bim are added on the input on the other side, and to each of the outputs of the sum of product apparatuses, an assumptive amplitude value aij in the combination system of the remaining path (i) (0 or 1) and an assumptive decoding value (j) (0 or 1) are outputted. A sample input yk is added on the input on one side of the adders 30-33, and the aij is added on the input on the other side. The output of the adder 44 is held at a latch 45, and is used in the input of the next data, A probable path is selected by the outputs of comparators 40 and 41. Registers 46 and 47 are shifted to the right at every input of the data, and 0 and 1 are inputted to a left end, and a decoding value overflowing from a right end is selected and outputted by a switch 56.
Patent JP-H01195278-A (JP)
Title: Differential evacuation device
Inventor: KATO TAKASHI
IPC: C23C16/455
Filed: 1988-01-28
Abstract: PURPOSE:To decrease contamination of a mass spectrometer and to improve detection capacity by delineating high-pressure side chambers and low-pressure side chamber with partition walls having apertures, projecting the partition walls into the high-pressure side chambers and providing open holes to the front ends thereof. CONSTITUTION:The front-stage chamber 1 (about 1Torr pressure), the middle- stage chamber 2 (about 10<-2>Torr pressure) and the final-stage chamber 3 (is the mass spectrometer and about 10<-5>Torr pressure) are delineated by the partition walls 4, 5 having the apertures to execute two stages of differential evacuation. Respectively independent evacuation systems are provided to the respective chambers 1, 2, 3. The partition walls 4, 5 are respectively projected like projections into the high-pressure side chambers 1, 2 and bag caps 4B, 5B having the open holes are screwed and fitted to the front ends of the respective projections 4A, 5A. The length of the chambers 2, 3 is increased by the projections 4A, 5A in such a manner, by which the final-stage chamber 3 is less contaminated from the wall surfaces and the detection capacity of the mass spectrometer is improved.
Patent JP-S63185205-A (JP)
Title: Plane antenna
Inventor: OKAZAKI YASUHIRO
IPC: H01Q9/26
Filed: 1987-01-28
Abstract: PURPOSE:To simplify the constitution by constituting the titled antenna of a parallel line pattern and a vertical pattern arrayed in its one end, coupling both the patterns by a coupling line being parallel to the parallel pattern, and forming it so as to surround an internal area by a pattern of an external area. CONSTITUTION:A pattern, and a conductor pattern 4 are formed on a dielectric plate 6, and an intermediate plate 6, respectively, and the conductor pattern is constituted of two patterns of an internal area 3 and an external area 5. As for the conductor pattern of the internal area 3, a parallel line pattern 20 is arrayed as (a), (b)-(h), a transmission line vertical pattern 22 arrayed in its one end is arrayed as (i), (j)-(o), both the patterns are allowed to conduct by (p), (q)-(u) of a coupling line 24 being parallel to the pattern 20, and a current is focused by a focusing end 26. It will suffice that width of the pattern 20 is H, its length is L, and the number of pieces is 2<n>, a pitch P is an equal interval, and with respect to wavelength lambda of a receiving radio wave, L=lambda/4, (2<n>-1)=lambda/2. In case a horizontal polarized wave is made incident vertically on the antenna plane, a current generated in each parallel pattern element is combined in a tournament shape, and becomes a large current. According to this constitution, a conductive reverse side plate becomes unnecessary.
Patent JP-H10203873-A (JP)
Title: Sintered body of aluminum nitride and its use
Inventor: TSUJIMURA YOSHIHIKO
IPC: C04B35/581
Filed: 1997-01-16
Abstract: PROBLEM TO BE SOLVED: To obtain a sintered body of aluminum nitride brought to have higher strength and reliability and a substrate of a circuit using the same by bringing an uneven stress in a yttrium aluminum garnet(YAG) phase to not less than a specific value. SOLUTION: This sintered body of aluminum nitride has >0.0012 uneven stress in a YAG phase calculated by the formula (β is a half value range of the peak of an X ray diffraction of the sintered body of aluminum nitride; θis a diffraction strength; K is the Sherrer constant (0.9); λ is the wave length of the X ray (1.45Å); ε is a crystal lattice size; η is the uneven stress) and this substrate of a circuit is obtained by using the aluminum nitride and forming a metal circuit on its surface.  To bring the sintered body of aluminum nitride to have higher strength is to bring crystalline particles of the aluminum nitride to be fine, prevent breeding of a sintering assistant-phase onto the surface of the sintered body and bring the YAG phase, which is formed by a reaction of powdery Y2 O3 of the sintering assistant with a thin aluminum oxide phase on the surface of crystalline particles of aluminum nitride, to present within a triple point of the crystalline particles by adjusting the state of the YAG phase between crystalline particles.
Patent JP-H11203645-A (JP)
Title: Method of tracking control in information recording medium
Inventor: IKEDA YOSHIYUKI
IPC: G11B21/10
Filed: 1998-01-14
Abstract: PROBLEM TO BE SOLVED: To provide a tracking control method capable of more securely tracking without decrease in recording capacity in a high-density information recording medium performing tracking-control in a servo system. SOLUTION: On this recording medium, information recording tracks I, II, m...VII, in which data blocks (1-1), (2-2),... and gap parts 3, 3,... are alternately continued, are arranged in parallel to the travelling direction and also side by side and a servo burst part 4 is provided in a continuous area 3A of gap parts over each of the information recording tracks I, II,...VII. Then, in the tracking control, a plural error signals are prepared at the same time from the servo burst-signal recorded in the servo burst-signal recording parts (5-1), (5-2),... of the servo burst-part 4 and the tracking is controlled by using the most probable signal among the error signals.
Patent JP-S61177089-A (JP)
Title: Video scrambling method
Inventor: IGATA YUJI
IPC: H04N7/169
Filed: 1985-01-31
Abstract: PURPOSE:To provide a video scrambling method prevented from the easy decoding of the scrambling method and the deterioration of reproduced picture quality by exchanging the order of lines in a block, and in a horizontal flyback time, adding data indicating the normal position of a corresponding line to obtain a video scrambling signal. CONSTITUTION:A scramble controller 309 applies line specification data 309(1) to an address decoder 308 to address said line memory. The address decoder 308 addresses a line memory 304 successively at a timing different from that of said storage and the output data of the line memory 304 are converted into analog signal by a D/A converter 305. The output 309(2) of the scramble controller 309 is data indicating the normal position of the line, scrambled by a data scrambler 310 and superposed to the horizontal flyback time of the corresponding line by a superposing circuit 306 and the superposed signal is outputted from an output terminal 312.
Patent JP-H11201898-A (JP)
Title: Water rate measuring device
Inventor: HANZAWA HIROSHI
IPC: G01N21/3554
Filed: 1998-01-14
Abstract: PROBLEM TO BE SOLVED: To provide a water rate measuring device that can measure a water content rate without being affected by the surface concentration of an object to be measured. SOLUTION: A light source 1 with a first wavelength where the water content rate of an object 5 to be measured and a surface concentration are optically influenced, a light source 1b with a second wavelength where the optical influence of the change in the water content rate is stronger than that of the first wavelength and the optical influence of the change in the surface concentration is weaker than that of the first wavelength, and a light source 1c of a third wavelength where the optical influence of the change in the water content rate and the change in the surface concentration are both stronger than those of the second wavelength are allowed to emit light successively by a light emission drive circuit 6. Then, light with the first wavelength, that with the second wavelength, and that with the third wavelength are successively applied to the object 5 to be measured.  Then, a water content rate MO is obtained from a reflection light signal P1 of the light source 1a being outputted from a photodiode 3, a reflection light signal P2 of the light source 1b, and a reflection light signal P3 of the light source 1c according to  (P1+P3)/(2P2)} (P1/P2), the influence of the surface concentration is appropriately compensated for, and the water content rate of the object 5 to be measured can be accurately measured without setting a recurrence expression corresponding to the difference in the surface concentration each time.
Patent JP-H03225753-A (JP)
Title: Nonaqueous electrolytic secondary battery
Inventor: YAMAMOTO KOHEI
IPC: H01M10/0566
Filed: 1990-01-30
Abstract: PURPOSE:To improve cycle characteristic and increase capacity by treating manganese oxide with an acidic solution containing NH4 ion to form a manganese compound, and using a compound obtained by baking this compound together with lithium salt as a positive electrode. CONSTITUTION:Baking is conducted to make tetravalent manganese contained in electrolytic manganese dioxide EMD into trivalent one. As an acidic solution containing NH4 ion, (NH4)2SO4 is added to a sulfuric acid solution followed by heating, and the EMD after baking is added thereto and stirred. After stirring, the resulting solution is washed with pure water and dried. LiOH.H2 is mixed as a lithium salt with this sample to obtain a positive electrode active material consisting of a compound of manganese, lithium and oxygen, A nonaqueous electrolytic secondary battery is formed by use of this positive electrode active material. Hence, charge and discharge cycle characteristic and capacity can be improved.
Patent JP-S59146711-A (JP)
Title: Bead cutting-off apparatus of welded pipe
Inventor: NISHIMOTO HIROJI
IPC: B23C3/12
Filed: 1983-02-04
Abstract: PURPOSE:To prevent local wear of a tool and assure its durability life by connecting a joint mechanism between the cutting tool and a revolution-driving power source, when a driven number of revolutions of the cutting tool drops owing to a cutting resistance of welding beads. CONSTITUTION:A completely welded steel pipe 2c is removed of its internal surface beads Bi by a cutting tool 9 at the lower reach of a roll 8. That is to say, by a displacement of the steel pipe 2c, the cutting tool 9 is driven to revolution with removal of the beads Bi, however, here, the cutting tool 9 is pressed against the internal surface of the steel pipe 2c through a plane angle alpha and a solid angle theta and following a displacement of the bead Bi rotates around its own axis to remove the beads Bi by machine-cutting in the reversed direction. At this moment, when the cutting tool 9 is brought to a steady condition and the reversed revolution stops and a number of revolutions drops and that of a power shaft 32 exceeds that of a driven shaft 30, then a ratchet mechanism 37 is brought into engagement transmitting rotation of the shaft 32 to the shaft 30 and the cutting tool 9 is forced to rotate by an outside revolution-driving power source. Accordingly, the local wear of the cutting tool is eliminated and a longer durability life can be attained because of availability of revolutions in excess of a certain value.
Patent JP-S57133623-A (JP)
Title: Vapor-phase reactor
Inventor: NOMURA MASATAKA
IPC: C23C16/458
Filed: 1981-02-12
Abstract: PURPOSE:To equalize the thickness of the grown film of the subject reactor by a method wherein, in the reactor provided with a plurality of nozzles to be used for reaction gas injection on the upper part of a truncated pyramidal material whereon a plurality of the materials to be processed are adhered on the circumferential surface, while the gas injection is temporarily stopped before and after the edge part of the susceptor circumferential surface crosses the point directly below the nozzles, and carrier gas for prevention of pressure fluctuation is brought in. CONSTITUTION:A hexagonal truncated cone-shaped susceptor 2 is rotatably installed on a base stand 1, the radial supporting pipe 9 with a number of nozzles 10 is provided at the upper part of the base stand and reaction gas is brought in from the feed pipe 8 which is passing through the rotating shaft 3 of the susceptor 2. Also, decompression preventing pipe 18 which is penetrating the feed pipe 8 is protruded upward and surrounded by the transparent quartz bell jar 11 having an inflared ray lamp 15 and a reflecting plate 16. After the subject rector has been constituted as above, a wafer is adhered on the side face of the susceptor 2, gas injection is temporarily stopped when the edge part of the susceptor 2 is positioned at a point directly below the nozzle 10, and the inside pressure of the bell jar 11 is stabilized by feeding H2 gas from the pipe 18.
Patent JP-H01193382-A (JP)
Title: Adhesive for additive wiring board
Inventor: TAKAHASHI HIROSHI
IPC: C09J121/00
Filed: 1988-01-28
Abstract: PURPOSE:To obtain the title adhesive, consisting of a composition consisting essentially of acrylonitrile butadiene rubber and alkylphenolic resin and hardly containing a specific metal group and excellent in corrosion resistance with hardly any dendrites even under environment of high temperature and humidity. CONSTITUTION:The aimed adhesive prepared by adjusting respective metal ion contents of K, Na, Mg, Fe and Cu to <=10ppm and the total content thereof to <=40ppm in a composition consisting essentially of acrylonitrile butadiene rubber and an alkylphenolic resin. Furthermore, in order to remove ionic substances, a nonionic surfactant is preferably used as an emulsifying agent in a process for producing the rubber without using a metallic salt coagulant.