baber/WOPTO huggingface dataset:
Patent JP-H08113832-A (JP)
Title: Rotor type open end spinning frame
Inventor: KANEKO MASASHI
IPC: D01H4/10
Filed: 1995-04-20
Abstract: PURPOSE: To enable an increase in force to press a fiber bundle in a fiber bundling part thereto, suppress the transmission of twists to the fiber bundle on the upstream side of a stripping point and prevent a fiber from loosely winding around the fiber bundle. CONSTITUTION: This rotor type open end spinning frame is obtained by installing an inner rotor 11, positively driven independently of an outer rotor 6, partially opposite to the vicinity of a fiber bundling part 6a of the rotor 6 and having a shape partially corresponding to an end of a yarn takeout passage 23 on the same axial line as that of the outer rotor 6 therein, forming an opening 31 for introducing a fiber bundle in the inner rotor 11, guiding the fiber bundle F from the vicinity of the fiber bundling part 6a to a position opposite to the yarn takeout passage 23 and forming many air holes 35 making the fiber bundling part 6a communicate with the outer surface of the outer rotor 6 so as to extend in the direction intersecting a shaft 10 at right angles.
Patent JP-S5320858-A (JP)
Title: Semiconductor integrated circuit with bump electrodes
Inventor: WADA SHINJI
IPC: H01L21/60
Filed: 1976-08-11
Abstract: PURPOSE: To achieve the simplification and stabilization of bump electrodes by forming bump electrodes of Au through a thin film layer of Cr on Al bonding pads. 
     COPYRIGHT: (C)1978,JPO&Japio
Patent JP-H01269009-A (JP)
Title: True north measuring method
Inventor: INADA KIYOO
IPC: G01C19/38
Filed: 1988-04-20
Abstract: PURPOSE:To find the deviation between a reference position and the true north direction so as to reduce the measuring time and to improve the measuring accuracy by making the light of a light source incident on a light receiver array after the light is reflected by a mirror. CONSTITUTION:The light image formed on a light receiver array 7 moves on the array 7 in accordance with the precession of a gyroscope 2. Each light receiver of the array 7 is connected to a position and time detector 12 through preamplifiers 10. Signals from a clock 11 are also inputted to the detector 12 and the time of each light receiver is measured from the commencement of the measurement so that when light is made incident to which light receiver of the array 7 can be detected. Since the intervals between each light receiver on the arraty 7 is known, the change in position of the light image against a reference position on the array 7 in the lapse of time can be measured.
Patent JP-H01269062-A (JP)
Title: Manufacture of hot wire for gas rate sensor
Inventor: HAYASHI SOKICHI
IPC: G01C19/00
Filed: 1988-04-20
Abstract: PURPOSE:To manufacture the title hot wire by providing parallel four electrodes of two pairs on an electrode holder in a reaction furnace and setting the furnace temperature to a prescribed temperature in a state where a metallic piece which becomes a catalyst is adhered to each electrode and at the same time, feeding a hydrocarbon into the furnace. CONSTITUTION:A metallic piece 27 which becomes the catalyst for producing carbon fibers is adhered to the upper surface of each electrode 6a-6d in a reaction furnace 21. Then the furnace chamber 22 is evacuated through an evacuating tube 25 to a prescribed degree of vacuum while the temperature of the furnace chamber 22 is set to a prescribed temperature with a heating element 23 and at the same time, the hydrocarbon, such as natural gas or benzene, etc., is fed to the furnace chamber 22 through a hydrocarbon feeding pipe 26. As the thermal cracking of the hydrocarbon progresses under such condition, the metallic piece 27 is completely covered with carbon fibers and hot wires 7a and 7b composed of thread-like carbon fibers are formed from each metallic piece 27 toward the inside of the furnace chamber 22 and each of the hot wires 7a and 7b becomes one continuous wire of thread-like carbon fibers after the lapse of prescribed time.
Patent JP-S5721805-A (JP)
Title: Manufacture of rolled iron core
Inventor: AWA MIKIO
IPC: H01F27/25
Filed: 1980-07-15
Abstract: PURPOSE:To improve the quality of magnetic properties and noise properties, etc. of a rolled iron core by forming a rolled iron core ring by forming a scribing line at the predetermined position on the way of winding a steel strip on a takeup frame and cutting the scribing line by the tension acting on the steel strip when forming it in a rectangular shape. CONSTITUTION:A steel strip 10a drawn from a wound silicon steel strip ring 10 is sequentially guided through a roll 11, a tension brake 12 and a scribing unit 13, and is then passed through a machining unit 12 made of a pair of rolls for bending, and is thus taken up on a winder 16. The scribing unit 13 forms a scribing line 30a in a thicknesswise direction on the steel strip 10a by an instruction from a controller 18. The controller 18 has switches disposed around itself to drive the strip 10a at a high speed when feeding it, to drive it at an extremely slow speed or stop it when scribing the strip and to control the length of scribing lines. The rolled iron core ring thus scribed is formed in a rectangular shape by press-fitting a wedge-type core, and is cut at the scribing line by the tension. Thus, the strip can be accurately butted, and the number of steps can be reduced, and the quality of the magnetic properties and noise properties can be improved.
Patent JP-S5523552-A (JP)
Title: Digital servo unit
Inventor: MARUYAMA JIYUICHI
IPC: G05D3/12
Filed: 1978-08-05
Abstract: PURPOSE: To omit hardware belonging to each driving axis to make the software processing possible by closing the position loop of a servo system in a computer in the NC unit incorporating the computer.  
     CONSTITUTION: The interface consisting of position detection part 21 and driving output 22 of a servo system is connected to computer 10 through I/O bus 20. Output E to excite resolver phase shifting machine 18 of each driving axis is outputted from exciting circuit 32 of position detection part 21. The phase detection signal of resolver phase shifting machine 18 becomes a square wave in filter 33 and is selected by multiplexer 34 to become signal M. This signal M and the phase of the exciting signal are compared with each other by phase detector 35, and the difference  between them is inputted to computer 10. The processing result of computer 10 is sent to driving output part 22 to drive servo motor 7. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H04325801-A (JP)
Title: Dc/dc converter for electric automobile
Inventor: TOMOARI KEIICHIRO
IPC: H02J7/34
Filed: 1991-04-25
Abstract: PURPOSE:To prolong the service life of auxiliary battery by suppressing power consumption of the main battery in an electric automobile. CONSTITUTION:A DC/DC converter 5 steps down the high voltage at a high voltage operating section 2 comprising a high voltage main battery 9 and a vehicle drive motor 6 and feeds a low voltage to a low voltage operating section 3 comprising a low voltage auxiliary battery 12 and a low voltage load 11. The DC/DC converter 5 feeds the low voltage operating section 3 with a first set voltage close to the full charge voltage of the auxiliary battery 12 and feeds a second set voltage higher than the first set voltage intermittently to the low voltage operating section 3 through a timer means 24.
Patent JP-S5720757-A (JP)
Title: Method for controlling collator for use in copying machine or the like
Inventor: MIYASHITA KIYOSHI
IPC: G03G15/00
Filed: 1980-07-14
Abstract: PURPOSE:To ensure to control a collator rapidly, by selecting the nearest initial position of the collator in accordance with the number of copies to be made and bins in a position for copy feed. CONSTITUTION:The bin address A of a present collator 2c restricted by feed rollers 52a and 52b, etc., an absolute value of difference Z=¦A-P¦ is computed on the basis of the number of copies to be made P. This difference Z is compared with the address difference X=A-1 based on the home position of the collator 2c of an address 1. The initial position of the collator 2c is selected at an address P, or its home position is selected as an initial position, and the difference between the address P and the home position and that between the home position and the address P are collated in accordance with Z<X, Z>x, and Z=X. This method for selecting the nearest initial position from the present position permits rapid and secure collator control to be executed.
Patent JP-S57211411-A (JP)
Title: Cylindrical part cutting device
Inventor: TSURUHA MASAYUKI
IPC: B26D7/12
Filed: 1981-06-19
Abstract: PURPOSE:To efficiently cut and separate a cylindrical part maintained in predetermined length by repeatedly grinding a blade edge of a circular cutter with a grinder at each cutting so as to keep quality of a blade at a certain level and save time for replacement of a cutter. CONSTITUTION:A circular cutter 38 of continuous rotation cuts in the upper face of the edge of a cylindrical part 5 as a main body 36 of a cutting device descents and cuts said part 5 while revolving with an arm 40 and retreating spirally. Subsequently, the main body 36 rises and the cutter 38 is projected by a cylinder 59 to return to its original positon. Then a grinder 63 is advaned by means of a cylinder 64 to make contact with a blade edge of the cutter 38 at a certain angle and grinds said cutter 38. The part 5 is efficiently severed through repetition of this motion.
Patent JP-H01267974-A (JP)
Title: Battery
Inventor: FUKUDA HIROSHI
IPC: H01M12/06
Filed: 1988-04-19
Abstract: PURPOSE:To prevent the CO gas and water vapor in the atmosphere from intruding into a battery for a long period of time by interposing a complex film, which is formed from a film of vinyltrimethylsilane- hexamethylcyclotrisiloxane copolymer and a fine porosity film, between the air intake side of a gas diffusion electrode and the inner surface of a battery jar. CONSTITUTION:A battery is equipped with a gas diffusion electrode 1 using oxygen as active substance and a battery jar having an air intake hole 3 leading to the outside air, and an oxygen selective permeative complex film 11 formed from a film 2 of vinyltrimethylsilane-hexamethylcyclotrisiloxane copolymer and a fine porosity film 4 supporting it is interposed between the inner surface of the battery jar and the air intake side of the gas diffusion electrode 1. The film of vinyltrimethylsilane-hexamethylcyclotrisiloxane copolymer is non-porous, homogeneous, and having oxygen selective permeability. This permits provision of excellent performance in practical application, fine anti-leak property, and a long-time storing characteristic.
Patent JP-H10296563-A (JP)
Title: Device for generating predetermined positioning and orientation for at least one platform
Inventor: PRITSCHOW GUENTER
IPC: B23Q1/44
Filed: 1997-04-14
Abstract: PROBLEM TO BE SOLVED: To precisely shift a platform to the position at each time at high speed by including a rod body element as a part, of a four-articular linkage and regulating an angle condition of the four-articular linkage by means of power for orientation of a platform. SOLUTION: Rod bodies S1-S4 are connected to one another via their end parts through joint points GP1-GP4. In the joint points GP1-GP4, an angle condition of a four-articular linkage can be regulated by means of a drive unit. For that purpose, a torque motor D is arranged. The torque motor D, which is fixed, specially fixed to a machine tool, is provided with a rotation shaft center DA. The rotating direction of the torque motor D is clearly indicated by means of a double-directional arrow. In this process, the rod body S3 is forcibly guided by means of a platform.
Patent JP-S5219918-A (JP)
Title: Offset carrier type channel arrangement
Inventor: MURATA SHIGEMOTO
IPC: H04N5/00
Filed: 1975-08-07
Abstract: PURPOSE: This TV channel arrangement has less mixed interference caused by cross modulation and requires no large power amplifiers even when three or more TV channel signals are amplified simultaneously. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H09255709-A (JP)
Title: Production of vinyl polymer
Inventor: KOBAYASHI TAKASHI
IPC: C08F4/28
Filed: 1996-03-26
Abstract: PROBLEM TO BE SOLVED: To obtain uniform rate of polymerization reaction in the whole polymerization process, shorten the polymerization time and produce a polymer excellent in coloration and hygienic quality by adding a polymerization initiator comprising a specified silylated peroxy ester compound when a vinyl monomer is polymerized. SOLUTION: A silylated peroxy ester compound represented by the formula (wherein R<1> and R<2> may be the same or different and are each a 1-6C linear alkyl or a 3-6C branched alkyl; R<3> , R<4> and R<5> may be the same or different and are each a 1-6C linear alkyl, a 3-6C branched alkyl or a 6-9C aryl; and R<6> , R<7> and R<8> may be the same or different and are each a 1-9C linear alkyl, provided that the total number of carbon atoms of R<6> to R<8> is at most 11) is added to polymerize a vinyl monomer.
Patent JP-H07301731-A (JP)
Title: Semiconductor optical coupling device and its assembling method
Inventor: SHIMAOKA MAKOTO
IPC: G02B6/42
Filed: 1994-05-10
Abstract: PURPOSE:To obviate generation of deterioration in optical coupling which arises during the course of assembly of a semiconductor optical coupling device by executing fixing of a ferrule and optical parts dividedly twice. CONSTITUTION:The ferrule 5 is inserted into the central axis of a cylindrical ferrule guide 6 and the optical axis alignment of the ferrule 5 is so executed via the ferrule guide 6 that the light condensed by an aspherical lens 2 is coupled to the optical fiber 7. The ferrule 5 is temporarily fixed by elastically and plastically deforming the end 8 of the guide 6 at the point where the optical coupling is max. The shape of the end 8 of the guide 6 is slit and stepped to permit easy deformation. Next, a pipe 3 and the guide 6 are fixed by YAG welding over the entire periphery and thereafter, the ferrule 5 is finely adjusted again in the optical axis direction and is fixed by soldering. As a result, the fixing of the pipe 3 and the guide 6 is executed by making adjustment again even if a slight deviation in the optical coupling according to the welding is generated in the entire circumferential welding of the pipe and the guide and, therefore, the high coupling efficiency is maintained.
Patent JP-S60239935-A (JP)
Title: Optical information detector
Inventor: NISHINOMIYA MASANOBU
IPC: G11B7/126
Filed: 1984-05-14
Abstract: PURPOSE:To suppress degradation of information recording materials of an optical information recording medium by providing a means which makes the output of a semiconductor laser at an access time lower than that at an information reading time. CONSTITUTION:The luminous flux from a semiconductor laser 1 is irradiated as a minute spot on an optical disc having organic information recording materials, and the reflected light is received by an information signal detecting circuit 2 to read recorded information. The information signal from the circuit 2 is inputted to a sequence control circuit 3 through a synchronizing circuit 4, and the circuit 3 generates an information reading signal S. At the information reading time, the signal S is set to the high level to turn on a transistor TRTr1, and a TRTr2 is always turned on. At the access time, the signal S is set to the low level to turn off the TRTr1, and only a driving current I2 due to the TRTr2 is flowed to the laser 1. The output of the laser 1 at the access time is made lower than that at the information reading time in this manner to suppress degradation of information recording materials, thus improving the life.
Patent JP-S59223242-A (JP)
Title: Production of synthetic quartz pipe
Inventor: OKAMOTO HARUO
IPC: C03B37/01
Filed: 1983-05-31
Abstract: PURPOSE:To obtain a synthetic quartz pipe having excellent dimensional accuracy without contg. foam, foreign matter, etc. by depositing pulverous silica powder by a vapor phase deposition method on the circumference of a hollow tubular base body consisting of carboneous material, etc., heating the same to melt and removing the base body after cooling. CONSTITUTION:A hollow tubular carboneous or graphitic base body 1 having the inside diameter of at least >=1/2 the outside diameter is rotated by a driving device 4 and while said body is laterally moved, a volatile silicon compd. (e.g.; SiCl4, SiH4) is blown together with gaseous oxygen and hydrogen from an oxyhydrogen flame burner 2 to form a porous sintered silica body layer 3 consisting of pulverous silica powder on the circumference of the body 1. The base body 1 formed with the layer 3 is then disposed in a heating furnace 5 and is heated in a vacuum or inert gaseous atmosphere to melt the layer 3 and thereafter the layer is cooled and the body 1 is removed, by which the intended synthetic quartz tube is obtd.
Patent JP-H072270-A (JP)
Title: Holding handle of container
Inventor: IKEDA TAMIO
IPC: B65D67/02
Filed: 1993-04-22
Abstract: PURPOSE:To obtain a holding handle of containers, which can be produced at a low cost and surely holds the containers, by a method wherein an neck insert opening consists of a first opening, a second opening and a throat part which communicates with the first and second opening. CONSTITUTION:Three walls 3A-3C are folded along folds and laid one upon another and a neck 22 of a container 21 is inserted through a first opening 9A of a neck insert opening 8. As the inside diameter of the first opening 9A is larger than the outside diameter of a flange 23, the flange 23 protrudes above a container holding handle 11. Then, the neck 22 is fitted in a second opening from the first opening via a throat 9c. Since the second opening has an arc shape with a diameter smaller than the outside diameter of the flange 23 and larger than the outside diameter of the neck 22, the inner circumferential edge of the second opening connects to the flange 23 from below and certainly holds the neck 22. When a container holding handle is held with fingers inserted into a finger insert opening 5, the top trapezoid is nearly vertically positioned and the part stretching from a fold line 10a to the edge, where the second openings are located, is kept horizontally.
Patent JP-H05338391-A (JP)
Title: Document binding cover
Inventor: OSADA TOYOHIRO
IPC: B42F13/06
Filed: 1991-04-02
Abstract: PURPOSE:To improve a convenience for use by a method wherein a pair of legs are provided on one end of a back cover, holes for inserting the legs and a plastic rail are integrally provided on a top cover, and a fastener for fixing the inserted legs is slidably mounted on the rail. CONSTITUTION:A rail 4 and through holes 6 are provided on one end of a top cover 2. A fastener 5 is slidably mounted on the rail 4. On the other hand, on one end of a back cover 3, a pair of flexible plastic legs 7 silimar to those used in a conventional letter file are provided. A distance between the legs 7 and a distance between the through holes 6 are determined to be the same as a distance between binding holes of a general document and equal to each other. The legs 7 are inserted through the through holes 6 of the top cover, the legs 7 are bent, and the fastener 5 is slid along the rail 4 to fix the legs 7.
Patent JP-S63262569-A (JP)
Title: Differential amplifier change-over circuit
Inventor: NAKAAKI MINORU
IPC: G09G1/08
Filed: 1987-04-20
Abstract: PURPOSE:To obtain the constant output of average potential and to enhance the articulation in the display of a wave form, by detecting the average potential of a plurality of differential amplifiers and applying feedback so as not to change the average potential when said amplifiers are changed over in an alternative way. CONSTITUTION:The first amplifier composed of transistors 11-14 and the second amplifier composed of transistors 21-24 are connected to each other in parallel on the output sides thereof and connected to a main amplifier composed of transistors 15-18 on the input side thereof to select the input signals applied to the cathode ray tube of an oscilloscope by change-over voltages V1, V2 and V3, V4 in an alternative way. The middle point between resistors 41, 42 is connected to one terminal of a comparator 32 and reference voltage 31 is connected to the other terminal thereof and the output of the comparator 32 is connected to the middle point between resistors 43, 44 to form a feedback circuit so that the average voltage of the outputs of the selected amplifiers becomes constant and the average output to the cathode ray tube is kept constant.
Patent JP-H07307926-A (JP)
Title: Scanning line converting device
Inventor: KONDO SATORU
IPC: H04N7/01
Filed: 1994-05-10
Abstract: PURPOSE:To reduce and convert the horizontal scanning lines of a video signal into 1/2 with a simple horizontal scanning line switching circuit. CONSTITUTION:A vertical synchronizing signal is connected to the first input terminal of a selector circuit 2, the input terminal of a latch circuit 3 and the input terminal of a first 1/2 frequency divider circuit 4, the output terminal of the first 1/2 frequency divider circuit 4 is connected to the control terminal of the selector circuit 2, and the output terminal of the latch circuit 3 is connected to the second input terminal of the selector circuit 2. On the other hand, a horizontal synchronizing signal is connected to the strobe terminal of the latch circuit 3 and the input terminal of a second 1/2 frequency divider circuit 6, the output terminal of the selector circuit 2 is connected to the set terminal of the second 1/2 frequency divider circuit 6 and the write reset terminal of a frame memory circuit 7, and a clock signal and the output of the second 1/2 frequency divider circuit 6 are connected to the first input terminal of an AND circuit 8. Then, the output terminal of the AND circuit 8 is connected to the second input terminal of the frame memory circuit 7, and video data are connected to the first input terminal of the frame memory circuit 7.
Patent JP-H03292517-A (JP)
Title: Lap-top type personal computer
Inventor: OSHIBA KOICHI
IPC: G06F1/16
Filed: 1990-04-11
Abstract: PURPOSE:To obtain an easy-to-see display panel and to improve the operability of a personal computer by providing a hinge part at the rear end part of computer the main body in order to secure the connection between the main body part and a cover part. CONSTITUTION:A main body part 2, a cover part 4, and a pair of hinge parts 6a and 6b are provided. The part 4 can be turned toward an arrow centering on the connection part between the part 2 and both parts 6a and 6b. Thus the parts 6a and 6b are provided at both end parts of the part 4 and also connected to the rear end part of the body 2. At the same time, a battery is set between both parts 6a and 6b. As a result, the distances are increased between both parts 6a and 6b and the forefront edge of the body 2 and therefore the size of a display panel is increased. Furthermore the overall depth of a device can be reduced. Thus an easy-to-see display panel is obtained for a personal computer together with improvement of its operability.