baber/WOPTO huggingface dataset:
Patent JP-S6142187-A (JP)
Title: Manufacture of semiconductor laser device
Inventor: HAMADA TAKESHI
IPC: H01L21/308
Filed: 1984-08-01
Abstract: PURPOSE:To enable the production of internal stripe lasers having the vertical groove side by the use of chemical etching by a method wherein a groove coming from top of a GaAlAs layer vertically down to the substrate is formed, and each layer containing the active layer is formed on the groove part. CONSTITUTION:An N type GaAs current stricture layer 2 is grown on the P type GaAs substrate (100)1 plane by liquid phase epitaxial growth. Next, a non- doped GaAlAs layer 10 is grown. Thereafter, the groove reaching the substrate 1 is formed in the surface through a phot mask 9 in parallel with the <011> direction by chemical etching. After removal of the mask 9 and the layer 10, a clad layer 3, an active layer 4, a clad layer 5, and a cap layer 6 are successively grown, and an N-side ohmic electrode 7 and a P-side ohmic electrode 8 are formed by metal vapor deposition.
Patent JP-S5683890-A (JP)
Title: Refresh control device
Inventor: WATANABE KOUSUKE
IPC: G11C11/406
Filed: 1979-12-13
Abstract: PURPOSE:To prevent lowering of the usage efficiency of a dynamic RAM, by searching a memory being in the address designation state to perform a refresh operation correspondingly to an address which is not designated. CONSTITUTION:When matrix array dynamic RAM11 is accessed through the CPU, the row line select signal through the decoder becomes high-level, and designation state storage FF15a corresponding to the row line in the address designation state is reset, and corresponding AND gates 17a... are closed. Consequently, RAMs of column lines corresponding to addresses which are not designated are refreshed according to search results of FF15a... dependent upon sense signals SR0... from refresh circuit 16. Consequently, interference in access dependent upon refresh is prevented to prevent lowering of the usage efficiency of the RAM.
Patent JP-H0452683-A (JP)
Title: Driving device for liquid crystal display panel
Inventor: NOHARA KAZUTOMO
IPC: G09G3/36
Filed: 1990-06-20
Abstract: PURPOSE:To increase the degree of freedom of the design of a video processing circuit and to omit the offset adjustment of a common electrode voltage by providing an output buffer circuit at a past stage of the video processing circuit and setting the center potential of a video signal to the best value. CONSTITUTION:The capacitor 3 in the initial stage of an output buffer circuit 13 removes the DC component of the output signal of an analog switch SW and sets the center potential Vcent to 0V. Further, the buffers of transistors(TR) Q4 - Q7, resistances R4 - R6, and a variable resistance VR 2 form a DC superposing means and the voltage at the operation bias points of the TRs Q4 and Q5 are set to the best DC bias value of a center potential corresponding to the driving characteristics of the display panel. Then the best DC bias voltage is superposed upon the output signal of the capacitor C3 and an AC video signal is shifted by an offset quantity to omit the adjustment of the common voltage, so that the display panel 2 is driven in the best state.
Patent JP-S6056790-A (JP)
Inventor: TAKIMIYA SABUROU
IPC: B66C1/12
Filed: 1983-09-03
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。
Patent JP-S5952853-A (JP)
Title: Semiconductor device
Inventor: KURIHARA YASUTOSHI
IPC: H01L23/12
Filed: 1982-09-20
Abstract: PURPOSE:To reduce thermal strain applied to the end section of a solder layer, and to prevent the deformation and thermal fatigue breakdown of each member by forming a notch section or a recessed section to at least one of the fringe sections of the surfaces of a semiconductor base body and an insulating member and the surface section of a metallic member opposite to the fringe sections. CONSTITUTION:A metallic support member 11 is formed by a copper plate, and the recessed section 28 of 3mm. width X 0.5mm. depth is formed to a section opposite to the fringe section of the insulating member 12 placed in the upper surface of the member 11. The insulating members 12 consisting of two alumina plates are bonded by the solder layers 29 while being conformed to the positions of the recessed sections 28 of the metallic support member 11, and metallic plates 13 are bonded on each insulating member 12 by the solder layers 30. Sections opposite to the solder layers 29, 30 of the insulating members 12 are metallized. The metallic plate 13 is formed by a copper plate in 2mm. thickness, and the notch section 31 of 3mm. width X 0.5mm. depth is formed to the fringe section of the lower surface of the plate 13 and the recessed sections 28 of 1.5mm. width X0.5mm. depth to sections opposite to the fringe sections of semiconductor base bodies 14, 15, 16 placed on the upper surface of the plate 13 by a press.
Patent JP-H11349276-A (JP)
Title: Can lifting tool
Inventor: IGARASHI TSUNEO
IPC: B66C1/28
Filed: 1998-06-10
Abstract: PROBLEM TO BE SOLVED: To provide a can lifting tool capable of easily performing alignment in lifting a can and having claws not to be disengaged even if impact is applied to the can. SOLUTION: In this can lifting tool for lifting a can by hooking claws on the edge of the can is provided with three or more claws 1, a plurality of arms 2 attached to the claws 1, position adjusting mechanism for adjusting the positions of these arms 2, and hoisting fittings 6. The position adjusting mechanism simultaneously adjust and fix the positions of a plurality of arms 2 attached to facing claws 1. Moreover, the hoisting fittings 6 for lifting are mounted on the arms so as to face all claws 1. The position adjusting mechanism is provided with a plurality of movable holders 3 each of which has two arms 2, and an adjusting means 4 for adjusting a clearance between the movable holders 3.
Patent JP-S5685939-A (JP)
Title: Electronic hybrid circuit
Inventor: UENO NORIO
IPC: H04B1/58
Filed: 1979-12-14
Abstract: PURPOSE:To simplify the balance network by constituting the circuit so that the output signal of the balance output amplifier for driving the input signal from the four-wire circuit is negated by the input side of the four-wire circuit output driving differential amplifier. CONSTITUTION:A signal from the four-wire circuit 1 becomes a balance output by the amplifier 4, and it is sent out to the two-wire circuit 3 through the matching resistances R8, R9. A signal from the circuit 3 is provided to the differential amplifier 6 through the resistances R1, R2, and subsequently it is output to the four-wire circuit 2 through the differential amplifier 7. A balance output of the amplifier 4 is provided to 6 terminals of the balance network (BNW) 5, it is output from the terminal 9 through the BNW5, and this signal is negated by the signal by which the balance output signal of the amplifier 4 is sent to the amplifier 7 through the amplifier 6. Accordingly, the output signal of the amplifier 4 does not appear as an output signal of the amplifier 7. In this way, it is possible to obtain satisfactory characteristics of the singing attenuation amount and the longitudinal balance attenuation amount, by means of a comparatively simple BNW.
Patent JP-S5789529-A (JP)
Title: Electric discharge machining machine
Inventor: ITOU TAKAHIRO
IPC: B23H1/04
Filed: 1980-11-20
Abstract: PURPOSE:To facilitate the machining of an irregularly shaped part such as the inside of a hole, by mounting a movable electrode on the tip of an electrode holder so that the electrode can be turned. CONSTITUTION:A link 25 is pivotally connected to a shaft 24 so that the link can be swung about the shaft. The link 25 can be swung clockwise by pulling a wire 26 upward. Discharge is intermittently caused between the surface of the link 25 and that of a work facing the former surface, so that an opening 29 shaped as a sector centering around the shaft 24 is made beginning with the lower end of a blind hole 22. According to this constitution, an irregularly shaped part such as the inside of a hole can be easily machined.
Patent JP-S6140547-A (JP)
Title: Non-destructive inspection for joint ceramic member
Inventor: DEGAWA TORU
IPC: G01N23/221
Filed: 1984-07-31
Abstract: PURPOSE:To enable an accurate non-destructive inspection by a method wherein ceramic members are joined together employing a jointing material containing a nuclide that will be radioactive with the irradiation of radiation and radiation from the nuclide made radioactive afterwards is checked to detect an unjoined part. CONSTITUTION:A jointing material is mainly composed of a solder, inorganic adhesive or the like which has been heretofore used for a joint between ceramic members or a ceramic member and a metal member with addition of a small amount of radioactive isotope. After the joining of a ceramic member, to inspect the joined part, the joined part is irradiated with radiation and then, a radiation detecting means is scanned along the joined part. As the nuclide in the joining agent irradiated with the radiation emits radiation, the detection of the radiation enables easy and quick detection of joint deficiency (unjoined part) such as void- like deficiency which will be caused due to insufficient application of the joining agent.
Patent JP-H02132690-A (JP)
Title: Magnetic tape cassette
Inventor: HOSE TORARU
IPC: G11B23/087
Filed: 1989-06-27
Abstract: PURPOSE: To obtain a magnetic tape cassette easy-to assemble by providing a sleeve-shaped recessed part on a center of a hub of a tape reel, putting a coil spring in the recessed part and putting a pin to it. CONSTITUTION: Respective reels 1, 2 are provided with a take-up hub 3 for winding up a magnetic tape, and the take-up hub 3 is provided with the sleeve- shaped recessed part 11 arranged on the center of the side facing to its upper cassette part 8, and the coil spring 10 is suited in it. The lower end of the spring 10 is supported for the bottom of the recessed part 11, and on the other hand, the pin 12 is fitted to the upper end. The pin 12 is made of wear resistance material, and the upper end presses the upper cassette part 8 in the state of video cassette assembly. Thus, the assembly is simplified.
Patent JP-H1117415-A (JP)
Title: Waveguide branching filter
Inventor: HORIE SOSUKE
IPC: H01P5/18
Filed: 1997-06-19
Abstract: PROBLEM TO BE SOLVED: To provide a waveguide branching filter capable of being applied to a multi-frequency shared circuit and obtaining sufficient inter-frequency isolation even in the case that plural frequency bands are adjacent. SOLUTION: This waveguide branching filter is composed of a main waveguide, a sub-waveguide 2 and plural branching waveguides 4 for constituting a hybrid coupler 3, and by providing a bent waveguide 5 as a phase correction means in the sub-waveguide 2 so as to turn a phase difference inside the sub- waveguide and inside the main waveguide to the integral multiple of 2 π for a frequency to be coupled to the sub-waveguide 2, the frequency to be coupled to a coupling port is synthesized in the same phase and coupled without degrading characteristics. In the meantime, since the frequency band not to be coupled to the coupling port causes phase shift, a coupling amount to the coupling port is small and high isolation is obtained. Also, since the plural frequency bands are transmitted to a common port, it is applied to the multi-frequency shared circuit.
Patent JP-H058182-A (JP)
Title: Screw tightening device
Inventor: WATANABE MASANORI
IPC: B25B21/00
Filed: 1991-07-03
Abstract: PURPOSE:To facilitate change of a bit and prevent a screw from falling in a screw tightening device which is used for a tool to tighten screws of a screw connecting band where screws are built in a band made of resin in a row beforehand. CONSTITUTION:There is provided a partly opening part 28 to a coupling 26 which connect an electric motor part 1 to a screw tightening attachment 21, and a holding part 13 of a bit 7 is provided in a burying manner to the inside of the opening part 28. And at the same time, an elastic body 16 is arranged between a speed change gear 5 and a socket 14. This arrangement allows the bit 7 to be exchanged without removing the screw tightening attachment 21, and prevent the screws from falling by giving rotation to the bit 7 constantly.
Patent JP-H0455105-A (JP)
Title: Pneumatic radial tire for heavy load
Inventor: KABE KAZUYUKI
IPC: B60C11/04
Filed: 1990-06-22
Abstract: PURPOSE:To restrain the occurrence of a rut wandering phenomenon while excellent high speed, wear-resistance and low fuel cost performance are kept by providing saw-toothed projecting and recess portions in the peripheral direction of a tire on both edges of a tread surface, and disposing sipes on the projecting portions. CONSTITUTION:A reinforcing belt 2 comprises four layers and is formed by 3 metal cord. Plural main grooves 4 are provided on a tread surface 10, and saw-toothed projecting and recess portions 5 are formed in the peripheral direction on both edges thereof by continuously providing a V-shaped groove 8. Further, sipes 11 are disposed on the projecting portion of the projecting and recess portions. When the projecting and recess portions 5 come into contact with the wall surface of a rut, the tip 9 is brought into point-contact with wall surface of the rut, and the contact is performed in such a manner as to increase the reaction force gradually. As the contact pressure is increased, the tip 9 is divided into two parts in the peripheral direction of a tire by the sipes 11, and as the repulsive force is small, the tire will not be pushed back from the wall surface of the rut, but can easily get over the rut. Further, the projecting and recess portions 5 have the biting performance to the wall surface of the rut so as to promote the escape from the rut.
Patent JP-H1117501-A (JP)
Title: Oscillator and semiconductor integrated circuit
Inventor: KURITA KOZABURO
IPC: H03K3/354
Filed: 1997-06-19
Abstract: PROBLEM TO BE SOLVED: To stabilize the oscillation of an oscillator oven a wider high frequency range by preparing a differential circuit consisting of differential pair of MOS transistors TRs and a ring originating circuit and clamping the amplitude of the output signal voltage of the differential pair of MOS TRs at a prescribed level against a reference potential by means of a source follower using the conductive MOS TRs which are equal to the MOS TRs of the differential pair. SOLUTION: A source follower constructing a clamp means 12 consists of the conductive n-channel MOS TR N4 and N5 which are equal to the n-channel MOS TR N1 and N2 constructing a differential pair 11. Thus, the influences of manufacturing variances can be compensated with each other between the source follower and the pair 11. As the means 12 consists of a source follower, the large gate capacitance and the junction capacitance of a drain part never exist at output points OUT 1 and OUT 2 of a MOS differential circuit 1. Then only the sources of MOS TRs are connected to the points OUT 1 and OUT 2. As a result, the load capacity is significantly reduced at the output points of the circuit 1.
Patent JP-H0513806-A (JP)
Title: Semiconductor photoelector
Inventor: TSUJI MASAYOSHI
IPC: H01L31/107
Filed: 1991-07-03
Abstract: PURPOSE:To attain increase in the ionization ratio, relief of hole pile up and decrease in hole running time in the super lattice APD thereby attaining the broader band and the lower noise. CONSTITUTION:Within an avalanche multiplication photodetector structure, a p type InGaAs photoabsorption layer 14 and an InAlAs/InGaAs hetero periodic structured avalanche multiplication layer 15 are provided on a p type InP substrate 12. At this time, the composition of InxGa1-xAs layer as a well layer of the avalanche doubled layer 15 is to be x=0.458 while the composition of InyAl1-yAs layer as a tensile stress and barrier layers is to be y=0.595 so as to load the compressive stress. Besides, the conduction band discontinuous energy DELTAEv will be 30meV less than the non-distortion energy (0.207eV). Furthermore, since the light hole band is to be the basic level in said well layer, hole pile up is relieved and hole running time is shortened. Through these procedures, the high sensitivity characteristics in broader band and lower noise can be displayed.
Patent JP-H0541807-A (JP)
Title: Two-dimension decoder
Inventor: NAKAYAMA ATSUSHI
IPC: H04N1/417
Filed: 1991-07-04
Abstract: PURPOSE:To improve the processing speed of the two-dimension decoder. CONSTITUTION:A code 101 of an external picture data is given to a decoding circuit 5, in which codes for 1st one-line are decoded, the result is outputted to the outside of the decoder 5 and read by a 1st line memory 1 via a 1st bus switch 3. When a code 101 of a picture data of a succeeding line comes, the picture data 103 of the preceding line is read by the decoding circuits as a reference line data 105 from the 1st line memory 1 and the two-dimension decoding processing is applied to the picture data of the succeeding line. The decoding result is outputted externally via the bus interface 6 and simultaneously read by a 2nd line memory 2. Furthermore, when the picture data of a 3rd line comes, the picture data 104 read from the 2nd line memory 2 is inputted to the decoding circuit 5 as a reference line data 105 and the similar two-dimension decoding processing is implemented. Moreover, the processing above is repeated.
Patent JP-S62123576-A (JP)
Title: Circle drawing method
Inventor: OGUCHI TETSUJI
IPC: G06T11/20
Filed: 1986-07-11
Abstract: PURPOSE:To draw a circle of a circular arc in a short time only by using a simple arithmetic processing by dividing the drawing scope of a circle into five, changing Y and X coordinates from respective starting points for the prescribed value and obtaining the X and Y coordinates at that time as an integer. CONSTITUTION:When the picture data to draw a circle or a circular arc of a radius R with coordinates X and Y as a center are prepared, with an X axis as a starting line, in the counter-clockwise direction, the data are divided into the first scope of 0-45 deg., the second scope of 45-135 deg., the third scope of 135-225 deg., the fourth scope of 225-315 deg. and the fifth scope of 315-360 deg., to the circle drawn in the first, third and fifth scopes respectively, starting points (X+R, Y), (X-R, Y) and (X+R, Y) are read, in the second and fourth scopes, starting points (X, Y+R) and (X, Y-R) are read from a memory 100, and respectively based on X=(R<2>-Y<2>)<1/2>=I-F and Y=(R<2>-X<2>)<1/2>=I-F, and respective drawing positions are obtained by the first and second arithmetic parts 101 and 102. A binary point F, when X and Y are increased or decreased for the prescribed number, is rounded off, an integer I is obtained and this is the coordinate data of respective axes.
Patent JP-S5787506-A (JP)
Title: Liquid fuel burner
Inventor: KAWASAKI YOSHITAKA
IPC: F23D3/10
Filed: 1980-11-19
Abstract: PURPOSE: To provide a stable complete combustion in a combustion cylinder so as to reduce a generation and accumulation of tarry component by a method wherein an additional cylinder having its top end opened and its lower end being contacted with the inner and outer flame cylinders is arranged at either an inside or outside of the inner flame cylinder forming a combustion cylinder for a wick burner.  
     CONSTITUTION: Cylindrical inner flame cylinder 2, outer flame cylinder 3 and outer cylinder 4 are arranged concentrically to each other so as to form a duplex type combustion cylinder 1. Combustion chamber 5 is formed by the inner flame cylinder 2 and the outer flame cylinder 3 having a number of air holes 2a and 3a, respectively. Fuel gasification part 6a for a cylindrical wick 6 of heat-resistant porous material is held by the inner core cylinder 8 and the outer core cylinder 9, supported by the core fitting 7 and projected therefrom. With this arrangement, low temperature air being raised in the core inner cylinder 8 is raised up at an inside part of the sub-cylinder 10 in cooperation with the sub-cylinder 10 arranged at an inside of the inner flame cylinder 2, directly fed into a combustion chamber 5 through the air holes 2a at a place higher than the leading end of the sub-cylinder 10 and flowed down along the inner flame cylinder 2, heated, its pressure is reduced and finally fed to the gasification part 6a. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H0213137-A (JP)
Title: Satellite communication receiver
Inventor: KAJITA KAZUTOYO
IPC: H04B3/06
Filed: 1988-06-30
Abstract: PURPOSE:To facilitate the installation work by controlling the amplification factor of an amplifier circuit in the inside of a converter so as to control the level of an intermediate frequency signal outputted from the converter in a way of compensating the attenuation by a transmission line. CONSTITUTION:A phase of a frequency division signal being the result of frequency-division of a local oscillation signal and a phase of a reflecting wave signal obtained from the result of reflection from the transmission line receiving the frequency division signal are compared to generate a phase difference signal, and the amplification factor of an amplifier circuit 18 in the converter 2 is controlled by using the phase difference signal. Thus, the level of an intermediate frequency signal outputted from the converter 2 is controlled so as to compensate the attenuation through the transmission line 3 and the signal is inputted to an input terminal of a receiver 5 at nearly constant level independently of the attenuation by the transmission line 3. Thus, the installation work is implemented easily without need of any relay amplifier, and then without taking the performance of the amplifier or the installation position of the receiver into account.
Patent JP-S6054838-A (JP)
Title: Stepless change gear of peripheral speed of roll in longitudinal stretching machine
Inventor: SAKAI YOSHIYUKI
IPC: F16H3/76
Filed: 1983-09-06
Abstract: PURPOSE:To easily and highly accurately change the peripheral speed of the roll of a stretching machine in a short time by a method wherein the rotation on the output side of a stepless transmission provided in a driving system for stepless speed change is given to the center shaft of a cam in a differential gear mechanism. CONSTITUTION:A power transmission gear 22 and a pulley 23 are attached on a roll, which acts as a peripheral speed reference. The gear 22 is connected to an idle gear 24, the spline S of a differential gear mechanism 25, a gear 26 fixed onto the spline S, a spline 27, the pitch of which is the same as that of said spline S and the number of teeth of which is different from that of said spline S, a spline D, the pitch and number of teeth of which are respectively the same as those of said spline S, a gear 26A and a gear 28. The pulley 23 is connected through timing belts 32 and 38 to the output shaft 33 of a stepless transmission 29 and to the center shaft 35 of a cam 34 in the differential gear mechanism 25. Because the rotation on the output side of the stepless transmission 29 is transmitted under the condition that the speed of the rotation is changed to the center shaft 35 in a driving system for power transmission, the speed of the spline D is changed, resulting in changing the speed of a roll 15 continuously.
Patent JP-S6322578-A (JP)
Inventor: DEETORITSUHI CHERUKE
IPC: A61P25/28
Filed: 1987-06-30
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。