baber/WOPTO huggingface dataset:
Patent JP-H01196922-A (JP)
Title: A/d converter
Inventor: YOSHITOME TAKESHI
IPC: H03M3/02
Filed: 1988-02-01
Abstract: PURPOSE:To improve the conversion accuracy (S/N characteristic) without increasing number of output levels of a D/A converter by making the quantized level interval of an analog signal quantizer narrow. CONSTITUTION:Two-stage of quantization is applied by using an analog signal quantizer 3 and a digital signal quantizer 9 provided newly. That is, a quantized noise voltage VQ2 mixed based on a difference between input and output signals of the digital signal quantizer 9 is accurately reproduced and the noise is eliminated from the output. Since the analog signal quantizer 3 is entirely immune to the limitation of the quantized level interval through the provision of the digital signal quantizer 9, the quantized noise voltage VQ1 mixed in the analog signal quantizer 3 is made sufficiently small by making the quantized level interval narrow. Thus, a remarkably high S/N is obtained easily.
Patent JP-H04258151-A (JP)
Title: Semiconductor integrated circuit
Inventor: OKAMURA HITOSHI
IPC: H01L27/04
Filed: 1991-02-13
Abstract: PURPOSE:To prevent the malfunction of a circuit by voltage effect, etc., without reducing signal pins by separating the ground bus lines of a plurality of circuits systems such as inner circuits, outer buffer circuits, etc., and further shorting them at a power pad part. CONSTITUTION:A ground bus line 4 for ECL output buffer and a gourd bus line 5 for inner cell are connected by a ground power pad 1, a connecting pattern 2 between the power source pad and the bus line, and a through hole 3. The ground bus line 4 for ECL output buffer is connected to the ground pattern 7 in ECL output buffer. And it supplies a ground current to the base of the output emitter follower transistor of the ECL output buffer. On the other hand, the ground bus line 5 for inner cell supplies a ground current to the inner circuit by a ground supply pattern 8 for inner cell. Hereby, it does not reduce signal pins and the malfunction of the circuit by voltage effect, etc., can be prevented.
Patent JP-H08211502-A (JP)
Title: Photographic device
Inventor: HAGIWARA MASAHIRO
IPC: A61B5/00
Filed: 1995-02-07
Abstract: PURPOSE: To provide a photographic device which is not adversely affected by dust sticking on the video display surface of a display device and fogging on the display surface. CONSTITUTION: The device 1 is constituted of a device main body 3 with a built-in CRT display 2 for displaying a video signal and a camera housing 6 with a built-in photographic optical system 4 for photographing the video displayed on the video display surface 2a and with a built-in photographic film 5 and freely attachable/detachable to/from an optical window 3a formed in the device main body 3.  In the device main body 3, an intake opening part 3b and a discharge opening part 3c are formed on a straight line as air sending means for making the air flow in parallel to the video display surface 2a in a direction shown by an arrow B along the video display surface 2a of the CRT display 2, or near the surface 2a, and also, a fan 7 which is rotated by a non-illustrated motor is arranged between the opening part 3b and the opening part 3c in straight line with respect to the opening part 3b and the opening part 3c.
Patent JP-S54113024-A (JP)
Title: Gate controller
Inventor: HORIUCHI MICHIMASA
IPC: H02M3/135
Filed: 1978-02-24
Abstract: PURPOSE: To ensure the required commutation capacity continuously by performing the commutation temporality when the conductive state of a semiconductor device continued more than predetermined time.  
     CONSTITUTION: When the output voltage of the integrating circuit 7 increases toward the output voltage of the relay circuit 4, and reaches to the functioning level of the relay circuit 4, the output from said relay circuit 4 goes to zero. OFF signal circuit 6 provides the OFF signal Soff to the aux. thyristor ATh in chopper to turn it off. At the same time the output from the integrating circuit 7 decreases toward zero. While when the output from the integrating circuit 7 reaches to the other functioning level of the relay circuit 4, the relay circuit 4 produces the output. Consequently ON signal circuit 5 provides the ON signal to the main thyristor MTh in the chopper to turn it on. At the same time the output from the integrating circuit 7 increases. Said functions are repeated to perform the ON-OFF functioning of the chopper. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H04258129-A (JP)
Title: Substrate for forming transfer metal bump and its manufacture
Inventor: SHOJI KAZUHIRO
IPC: H01L21/321
Filed: 1991-02-13
Abstract: PURPOSE:To prevent a metal bump for transfer which is formed by the electrolytic plating method from falling from a conductive film. CONSTITUTION:In a substrate where a conductive film 3 for plating is provided on an insulation substrate 2 and a metal bump 6 for transfer is provided at a specified position on the conductive film 3 by a plating method. a metal film 11 which consists of a same metal as that of the metal bump 6 for transfer is provided between the above metal bump 6 for transfer and the conductive film 3 for plating by the sputter method or deposition method.
Patent JP-S63187272-A (JP)
Title: Toner replenishing device for developing device
Inventor: ABU HIROSHI
IPC: G03G15/08
Filed: 1987-01-30
Abstract: PURPOSE:To prevent a toner from being scattered to an outside, by providing a seat part whose one side edge is fixed to the lower end of the outside wall and which seals the toner of the inside of a toner cartridge, removing the seat part with a cutter, and replenishing the cartridge. CONSTITUTION:A toner cartridge 11 is inserted into the aperture 10 of a toner container 2 with a seating member 15 downward. In this case, cutting edges 22, 23 of a cutter 21 cut and tear a film 16, and a part of the toner container 2 projects between the peripheral wall 13 and the outside wall 14, and draws the films 16, 19 to both sides. Accordingly, the film 16 whose center is cut with the cutter 21 is also drawn to the outside of the peripheral wall 13 by the film 19, and a drop-down hole 12 is fully opened. In such a way, the seating member 15 for closing hermetically the toner cartridge 11 opens the drop down hole 12 in the inside of the toner container 2, therefore, at the time of replenishing a toner 6, the toner 6 is not scattered to the outside, and also, a hand is not stained.
Patent JP-S62178721-A (JP)
Title: Drum rotating type valve device
Inventor: KOIKE IKUO
IPC: F02B27/06
Filed: 1986-01-31
Abstract: PURPOSE:To improve sealing ability of a valve by providing side chamber of an exhaust passage on an exhaust port, whereby in case of opening and closing between the port and the chamber by a rotary valve, at the time of valve closing, the whole valve is pressed to the exhaust passage side by valve closing force produced by bringing the valve end portion into contact with a stopper. CONSTITUTION:A chamber 5 is provided on the side of an exhaust port 4, and connection and disconnection between the chamber and the exhaust port is conducted by a rotary valve 22. In case of low speed, the rotary valve 22 is turned clockwise by a rod 25 and an arm 12 to connect the chamber 5 to the exhaust port 4, so that pulsation wave for preventing blow-by of exhaust gas is formed. In case of high speed, the rotary valve 22 is turned counter-clockwise by the turning movement of the arm 12, so that a projection 27 mounted on the end portion of the valve is brought into contact with a stopper 26. At that time, the closing turning force of the arm 12 produces force for pressing the whole rotary valve 22 to the exhaust port 4 side centering around a contact point of the stopper 26 and the projection 27, so that strong closing force is produced between a flat plate 10 of the rotary valve 22 and the side wall 6 of the port to accomplish sealing.
Patent JP-S58138176-A (JP)
Title: Encoding system for image having multilevel gradation
Inventor: YAMAZAKI YASUHIRO
IPC: H04N1/41
Filed: 1982-02-12
Abstract: PURPOSE:To realize a high compression ratio and to shorten the transmitting time, by successively giving a new signal having a value of 2<4> to each block consisting of four picture elements on each scanning line, and by encoding the address and the block value of an altered block on the block sequence. CONSTITUTION:Each small frame of the diagram represents a freshly produced block and its value. a0 indicates the starting address and a-1, a1 and b1 indicate the address of blocks indicated in the diagram. Moreover, it is determined that V1(x) and V2(x) represents reference lines, respectively, and the value y-z of a block (x) on an encoding line represents the relative address of (y) with the (z) as a reference. The encoding means is performed by the following procedure. When¦a1-b1¦<=3 and V1(a0)= V2(a0),the encoding is performed under the vertical mode and the value, a1-b1 is assigned. When the above-mentioned conditions are not satisfied, the encoding is performed in such a way that, when V1(a0)=V2(a0), the encoding is performed under the horizontal mode 1 and a code which represents the mode 1 and another code which represents a1-a0 are assigned, and, when V1(a0)not equal to V2(a0), the encoding is performed under the horizontal mode 2 and a code which represents the mode 2, a code which represents the value of V2(a0), and a code which represents a1-a0 are assigned. Then the a0 is moved to the address of a1. The above-mentioned procedure is repeated and the encoding is performed.
Patent JP-S61181259-A (JP)
Title: Contact type image sensor
Inventor: IGUCHI HIROFUMI
IPC: G06K9/20
Filed: 1985-02-06
Abstract: PURPOSE:To obtain a contact type image sensor where reading density in the main scanning direction is improved by fitting a board provided with a photoelectric converting element onto a piezoelectric element controlled by an application voltage and displacing light receiving part in the main scanning direction. CONSTITUTION:An insulation board 2 provided with the photoelectric converting element 3, a light source 5 irradiating an original 4 and a lens array 6 receiving a reflected light is supported on a base 1 by a support 9. The support 9 consists of the piezoelectric displacing element 10, a spring member 11 and a support 12 supporting the spring member 11 and is arranged at both ends of the board 2. Then an oscillated voltage is applied to the piezoelectric displacing element 10 to oscillate the element 10 and the oscillation direction is made coincident with the main scanning direction 7, that is, the arranging direction of the photoelectric converting elements 3 on the board 2. Thus, in displacing the piezoelectric element 10 by P/2 (where P is a pitch of the photoelectric converting elements 3), the light receiving part is moved by P/2 and a picture with high density is obtained, where the picture element density is doubled substantially.
Patent JP-H09211792-A (JP)
Title: Film cartridge with ic memory, data recording device and data input/output device therefor
Inventor: SHIZUKUISHI MAKOTO
IPC: G03B17/24
Filed: 1996-02-06
Abstract: PROBLEM TO BE SOLVED: To record photographing data in an IC memory incorporated in a cartridge main body in a non-contact state. SOLUTION: A phototransistor 30, an I/O control IC 31, and the IC memory 32, a light emitting diode 33 and a battery 34 are incorporated in the cartridge main body 4. The film unit with a lens is provided with a light emitting diode and a phototransistor corresponding to the phototransistor 30 and the light emitting diode 33 in the non-contact state. By using them, a recording control IC transmits the photographing data discriminated every time photographing is performed to the I/O control IC 31 as an optical signal. When the I/O control IC 31 receives the photographing data, it writes the data in the IC memory 32.
Patent JP-H01197304-A (JP)
Title: Production of starting material powder for oxide superconductor
Inventor: YUUTANI SHIGENORI
IPC: C01G3/00
Filed: 1988-01-29
Abstract: PURPOSE:To prevent mixing of impurities as possible by pulverizing starting material for an oxide superconductor with a pulverizing device comprising stabilized ZrO2. CONSTITUTION:A starting material for an oxide superconductor prepd. by mixing, for example, Y2O3, BaCO3, and CUO weighed in 1.0:3.5:2.1 weight ratio is pulverized and mixed with a pulverizing device (e.g., ball mill) consisting of stabilized ZrO2 contg., for example, >=13mol.% Nd2O3, >=8mol.% Y2O3, >=11mol.% CaO, and >=7mol.% Yb2O3 or >=9mol.% Gd2O3, as stabilizing component, until the product attains 1-5mu particle size.
Patent JP-S60166038-A (JP)
Title: Manufacture of oxidizing catalyst for catalytic combustion
Inventor: TABATA KENJI
IPC: B01J23/889
Filed: 1984-02-06
Abstract: PURPOSE:To obtain a highly active oxidizing catalyst consisting of a composite metal oxide which has perovskite structure of large surface area by depositing various mixed salts soln. of prescribed ratio quantities on activated carbon and thereafter drying and calcining said activated carbon. CONSTITUTION:In case of adjusting an oxidizing catalyst for catalytic combustion consisting of a composite metal oxide provided with perovskite structure wherein in the crystal structures A1-xA'xB1-yB'yO3, A and A' are rare earth elements such as La and Ce or an element selected from the elements whose ion radiuses are >=0.90Angstrom  among alkaline earth metals such as Sr and Ca, and x is number of 0-1.0 range and B, B' are an element selected from the elements whose ion radiuses are >=0.51Angstrom  among transition-metallic elements such as Co, Fe, Ni and Mn and y has number of 0-1.0 range, a mixed soln. consisting of one kind of common salt among various salts such as nitrate and acetate of the prescribed ratio quantity is deposited at once the activated carbon and thereafter the activated carbon is dried and calcined. As a result, the oxidizing catalyst having a large surface area and high activity is obtained.
Patent JP-S61178555-A (JP)
Title: Suction device for fuel injection type engine
Inventor: HATAOKA KENJI
IPC: F02M69/04
Filed: 1985-02-05
Abstract: PURPOSE:To improve the hastening of the generation of swirl and the inertia effect of air intake by providing a control device which controls so that an additional fuel can be injected from a fuel injection valve when a closing valve provided on an intake air passage starts to open. CONSTITUTION:Intake air is fed to each of cylinders 2 through independent first and second intake air passages 7, 8. A closing valve 12 is provided in the second intake air passage 8. Fuel feed passages 22, 23 feed fuel injected from one fuel injection valve 21 to each of the intake air passages 7, 8. A control unit controls so that an additional fuel can be injected frm the fuel injection valve 21 when the closing valve 12 starts to open. Thereby, the hastening of the generation of swirl and the inertia effect of air intake can be improved.
Patent JP-H03227279-A (JP)
Title: Heat transfer recording device and facsimile device using same
Inventor: YOSHIDA TAKEHIRO
IPC: B41J2/325
Filed: 1990-02-01
Abstract: PURPOSE:To record a favorable image by a method wherein when the recording speed is fast, the carrying quantity of an ink sheet to a recording medium is made smaller to save the ink sheet, and when the recording speed is slow, the carrying quantity of the ink sheet is made larger. CONSTITUTION:A transmission speed by which a facsimile is transmitted from a transmitting side is input and stored in a RAM 115. Then, an image signal which is transmitted from an apparatus on the other end is input, decoded and stored in a line memory 110. The transmission speed indicated by the apparatus on the other end, which is stored in the RAM 115, is read, and it is checked if this speed is 9,600(b/s). If it is 9,600(b/s), an ink sheet 14 is carried by four half-steps. On the contrary, if the transmission speed is 7,200(b/s), the step ink sheet is carried by five half-steps. Also, if the transmission speed is other than above, the procedure is advanced to the step S19, and the ink sheet 14 is carried by six half-steps.
Patent JP-S6290124-A (JP)
Inventor: NAKAYAMA ICHIJIRO
IPC: A47J47/18
Filed: 1984-02-06
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-H10223969-A (JP)
Title: Semiconductor laser
Inventor: ANAMI TAKAYOSHI
IPC: H01S5/00
Filed: 1997-02-03
Abstract: PROBLEM TO BE SOLVED: To reduce the overflow of electrons to a clad layer by reducing the threshold of a semiconductor laser by constituting the laser so that the laser may contain at least one InAsP quantum well layer having a compressive strain between InAlGaAs barrier layers in an active layer area. SOLUTION: After an n-type InP layer 21 is formed on an n-type InP substrate 20, an active layer area 12 is formed by forming an InAlAs layer 22 on the layer 21 and alternately forming InAlGaAs barrier layers 23 and strained InAs P quantum well layers 24 on the layer 22, and then, forming an upper InAlAs layer 25 on the uppermost barrier layer 23. The layers 22 and 25 improve light confinement in the area 12. When the quantum well layers 24 are used, the threshold of a semiconductor laser can be reduced by energetically separating heavy holes from light holes and making the effective masses of intrasurface holes and the overflow of electrons to clad layers can be reduced by making the discontinuity between a conduction band and the InAsP larger.
Patent JP-H03225454-A (JP)
Title: Integrated circuit for cache memory control
Inventor: KAWAMURA EIJI
IPC: G06F12/08
Filed: 1990-01-30
Abstract: PURPOSE:To use the burst bus cycle of a microprocessor by informing the microprocessor that burst access is allowed through a burst permission output terminal and outputting data from a cache memory continuously with a strobe signal from a signal generating circuit at the same time. CONSTITUTION:When the microprocessor 101 executes the burst bus cycle, a 1st address is outputted between 1st two clocks and an increased address is outputted, clock by clock, from a next clock. A corresponding strobe signal becomes active timing with the output period so that data are outputted from a corresponding data bank in a data memory bank 103. A common high-order address is inputted to the data memory bank 103, so the strobe signal is inputted while an address is already determined. Consequently, the burst bus cycle of the microprocessor 101 can easily be used.
Patent JP-S59146154-A (JP)
Title: Silver(ii) oxide cell
Inventor: MURAKAMI KAORU
IPC: H01M6/12
Filed: 1983-02-10
Abstract: PURPOSE:To obtain a cell with little swell and capacity deterioration of the cell and stable internal resistance by adding a conductive material with a surface layer of gold to a positive electrode mainly composed of silver(II) oxide and forming a gold layer on the inner surface of a positive electrode can. CONSTITUTION:A positive electrode black mix 3 made of 90wt% of silver(II) oxide powder, 8wt% of a conductive material provided with a gold layer of about 1mum on the surface of nickel powder, and 2wt% of low-polymerization degree fine powder of ethylene tetrafluoride is filled by pressure into a positive electrode case formed with a gold layer 2 on the inner surface of a nickel-coated metal case 1. Then, it is combined with a separator 4, a liquid containing agent 5, and a gel-like negative electrode 7 made by mixing gelling agent powder such as polyacrylic soda, alkali electrolyte such as caustic soda, and zinc amalgam to form a silver(II) oxide cell. Therefore, the reduction of silver(II) oxide resulting in generation of oxygen from the positive electrode 3 can be suppressed, and the swell and capacity deterioration of the cell can be reduced.
Patent JP-S58138498-A (JP)
Inventor: HAMAKAWA ETSUZOU
IPC: F26B25/00
Filed: 1982-02-13
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-S63189632-A (JP)
Title: Fuel supply control method in speed reduction for internal combustion engine
Inventor: AKIYAMA EITETSU
IPC: F02D41/00
Filed: 1987-01-30
Abstract: PURPOSE:To prevent an engine to stop when effecting abrupt braking in interruption of fuel supply for speed reduction, by releasing the interruption of fuel supply when a period of time elapsed between vehicle speed pulses is greater than a prescribed value. CONSTITUTION:Signals from a throttle sensor 5, an absolute pressure sensor 8, a vehicle speed sensor 16 and the like are applied to a control unit 5 so that fuel injection from fuel injection valves 6 are cut when a throttle opening an r.p.m. and pressure in a suction pipe comply with prescribed conditions. Then, a period of time elapsed from a time a pulse signal is applied to a time a next pulse is applied is measured. When the period of time is greater than a prescribed value, it is determined that abrupt braking is applied to release the interruption of fuel supply, whereby an engine is prevented from stopping.
Patent JP-H03225898-A (JP)
Title: Manufacture of multi-layered circuit board
Inventor: TAKEGUCHI KAZUNORI
IPC: H05K3/46
Filed: 1990-01-30
Abstract: PURPOSE:To eliminate the cause of failure connection upon wire bonding by sticking circuit boards inetgrally one upon another the other, and thereafter melting and removing a protective film. CONSTITUTION:There are successively laminated on a circuit board 1 on which a protective film 41 is formed a prepreg 21 through which a transparent hole 2a is formed, a circuit board 31 through which a transparent hole 3a is formed and on which a protective film 42 is formed, a prepreg 22 through which a transparent hole 2b is formed, and a circuit board 32 through which a transparent hole 3b is formed and on which a protective film 43 is formed. The laminated structure is pressurized and heated from the above and below by a heating press for bonding and integration thereof. Thereafter, the protective films 41, 42 are dissolved by a solvent to yield a multilayered circuit board. Hereby, adhesion of prepreg resin onto a circuit pattern is eliminated and hence reliability of wire bonding and the like is improved.
Patent JP-H07332360-A (JP)
Title: Bearing using compressive force sensor and its adjustment method
Inventor: UIRIAMU II HAABOTORU
IPC: G01L5/00
Filed: 1995-02-08
Abstract: PURPOSE: To properly and speedily adjust a bearing by furnishing a force sensor to monitor applied force on the bearing on a back surface of a race of which force directed in the axial direction is applied. CONSTITUTION: A small diametrical end helically engraved from an end part of a columnar bearing pedestal and on which a groove 17 in the axial direction is formed is projected in the axial direction in a spindle 2 forming a part of a suspension system of an automatic travelling vehicle. Additionally, a hub on which a load ring, a brake drum, etc., are fixed is axially supported free to rotate by a bearing 8 fitted and layered on the pedestal of the spindle 2. The bearing 8 has a cone 34, a cup 36 and a tapered roller 38 arranged in a single circumferential row and is slip off prevented through a washer 48 by screwing of a nut 46.  In this case, a force sensor 52 to monitor size of force transmitted in the axial direction through the washer 48 is provided on an end surface of the washer 48, and fastening force of the nut 46 is adjusted so that the bearing 8 most favourably works under a light preload.