baber/WOPTO huggingface dataset:
Patent JP-S6224901-A (JP)
Title: Groove cutting method
Inventor: OTSUKA YASUHIRO
IPC: B23B1/00
Filed: 1985-07-24
Abstract: PURPOSE:To cut a groove on a soft layer film such that the width of the groove is changed in accordance with vertical loads exerted to a tool while the depth thereof is unchanged, by changing the vertical load exerted to the tool within a a range in which the soft layer film is not plastically changed. CONSTITUTION:An original disc material to be fabricated, is formed such that an AU sputter thin film 12 having a film thickness of 0.07mum is formed on a glass disc 11, and a Cr thin film 13 is formed between the disc 11 and the thin film 12 to inforce the binding strength therebetween. A vertical load is applied to a diamond tool having an edge width of 0.5mum at its edge tip 15 and its included angle theta of 60 deg. to cut the soft layer sputter thin film 12 while an air spindle 14 is rotated to feed the tool 10, radially of the disc 11. The width of a cut groove is increased as the vertical load exerted to the tool 10 is increased so that the groove has a width of about 0.4mum and the depth of about 0.07mum when the vertical load is 0.4g.
Patent JP-H11194295-A (JP)
Title: Optical system
Inventor: HAYAKAWA KAZUHITO
IPC: G02B27/18
Filed: 1998-06-12
Abstract: PROBLEM TO BE SOLVED: To provide an optical system for an eyepiece optical system or a projection optical system capable of juxtaposing plural illumination light sources different in color and making the whole device such as a head mounted type image display device and a color film projection device small in size and light in weight. SOLUTION: This optical system is provided with an image forming optical system 1 for projecting the real image or virtual image of an object arranged on an image plane 3, the entrance pupil 5 of the image forming optical system 1 on the opposite position of the image forming optical system to the image plane 3 and an exit pupil 4 on the conjugate position with the entrance pupil 5 to the image forming optical system 1. Consequently, even when the plural illumination light sources having different colors are juxtaposed on the entrance pupil 5, light beams from the different light sources are superposed on the exit pupil 4 and passed through it without the chromatic aberration.
Patent JP-H0454324-A (JP)
Title: Brake for vehicle
Inventor: NAGASHIMA TAKU
IPC: G10K11/178
Filed: 1990-06-22
Abstract: PURPOSE:To prevent brake noise phenomenon by providing a brake unit having a rotary member and a friction member to rotate integrally with wheels with an excitation means consisiting of a piezoelectric element so as to give a vibra tion outside the range of audible sounds to the friction member. CONSTITUTION:An inner pad 11 and an outer pad 12 are provided on both sides of a disc 10 for a rotary member integrated with a wheel, and a caliper 13 is slided by a piston 14 to press the disc 10 with both pads. A vibration senser 15 laminated with a piezoelectric element l5a is inserted into a hole 13d. A hole 13e is provided with an excitation actuator 16 laminated with a piezoelectric element 16a. A voltage fenerated to the piezoelectric element 15a by vibration of the outer pad 12 is detected by a detection circuit 17, and it is outputted to a control device 18 to generate a back pressure electricity effect at the piezoelectric element 16a of the excitation actuator 16, so the piezoelectric element 16a vibrates outside the range of audible sounds. A friction member can thus be prevented from vibrating within the range of audible souds, thereby a brake noise phenomenon is prevented.
Patent JP-S6410589-A (JP)
Title: Electric connector and manufacture thereof
Inventor: ENDO RYUKICHI
IPC: H01R43/16
Filed: 1987-07-01
Abstract: PURPOSE:To prevent misinsertion by letting a plate spring which is disposed in an electric contact part for receiving a male terminal supported at three points including stopping grooves formed on the side walls of the electric contact part while it is attached to the inner surface of the electric contact part around both ends of its length. CONSTITUTION:An electric connector consists of a connector 10 having a box- like electric contact part 12 formed at one end and a wire caulking part 14 at the other end, and a curved plate spring 16 disposed inside the contact part 12, so electric connection is obtained by inserting a male terminal into the contact part 12. The contact part 12 is formed of side walls 18a provided standing on both sides of a base plate 11 at one end of its length which are put to face each other for forming a box-like form. The plate spring 16 is held in the contact part 12 by engagement of ears 26 protruding on both sides of it with stopping grooves 22 cut and formed in the side walls 18a of the contact part 12. The plate spring 16 is thus supported at three points because it is stopped at the stopping grooves 22 while it is attached to the inner surface of the contacting part around both ends of its length, thereby rattling is eliminated and misinsertion of a male terminal can be prevented.
Patent JP-H066425-A (JP)
Title: Telephone set
Inventor: ITO MITSUHARU
IPC: H04M1/00
Filed: 1992-06-23
Abstract: PURPOSE:To reduce a useless call tariff by detecting the voice levels of a transmitted voice from a microphone and a received voice from a telephone line and automatically opening the telephone line when the telephone set is left longer than prescribed time. CONSTITUTION:In the state of closing the telephone line by a line control part 1, the level of the voice coming from a microphone 3 or a speech network 2 is detected by a detector 7 and in the case of soundless level state, time is counted by a timer 8 and compared with time previously set in a memory 9. When the counted time of the timer 8 is coincident with the set time stored in the memory 9, an instruction to open the telephone line is issued from a CPU 6 to the line control part 1. Therefore, even when the telephone set is unexpectedly left while holding the line, the useless call tariff can be reduced by automatically opening the telephone line when the telephone set is left longer than prescribed time.
Patent JP-H0454214-A (JP)
Title: Swirl chamber type combustion chamber in diesel-engine
Inventor: YAMASHITA KENJI
IPC: F02B3/06
Filed: 1990-06-22
Abstract: PURPOSE:To reduce the dead space around a nozzle body by forming the tip end part of the nozzle body which is fitted in a nozzle body fitting hole in a cylinder head, in a stepped shape so that the diameter of the tip end part is small, and by forming the front end part of the nozzle body fitting hole in a stepped shape so that the diameter of the type end part is small, and by sealing a gap between the end faces of the stepped shape end parts of the nozzle body and the fitting hole with the use of a sealer. CONSTITUTION:A cylinder head 15 is formed therein a swirl chamber 2 which are defined by a peripheral surface in the thick wall part thereof and the inner peripheral surface of a swirl chamber cap 17, and the swirl chamber 2 is communicated with a main combustion chamber 21 above a piston by way of a jet port 18 formed in the swirl chamber cap 17. Further, the cylinder head 15 is formed therein with a fuel injection nozzle fitting hole 15a having its front end part which is formed therein with a nozzle body fitting hole 3. Further, a nozzle body 5 in a fuel injector 4 adapted to be fitted in this nozzle body fitting hole 3 is formed in a stepped shape having a diameter smaller than that of the base end part 7 of the nozzle body, and the front end part 8 of the nozzle fitting hole 3 is also formed in a stepped shape having a diameter smaller than that of the base end part 9 of the hole. Further, the gap between the end surfaces of the stepped shape end part of the nozzle body 5 and the stepped shape end part of the hole 3 is sealed with a corrugate seal (sealer) 13.
Patent JP-H0332501-A (JP)
Title: Ultra-rigid alloy tool
Inventor: YAMANE AKIHISA
IPC: B23B27/14
Filed: 1989-06-27
Abstract: PURPOSE:To increase the service life and prevent deterioration of the strength by composing a rigid material phase in a final sintered body of parts having a larger strength and parts having a larger abrasion resistance macro- distributted or disposed in layers. CONSTITUTION:For an ultra-rigid alloy consisting of more than one of carbides, nitrides, and carbon nitride in groups 4a, 5a, 7a in a periodic table for a rigid material phase, the rigid layer in a final sintered bosy is to be of parts having a larger strength and parts having a larger abrasion resistance macro-distributed or disposed in layers to obtain a tool of the ultra-rigid alloy. The tool can thus be provided with the service life increased and deterioration of the strength prevented as characteristics of the composite material.
Patent JP-S5954021-A (JP)
Title: Magnetic head
Inventor: KAWACHI AKIHIKO
IPC: G11B5/127
Filed: 1982-09-22
Abstract: PURPOSE:To perform recording with high density as well as reproduction with high output, by having larger thickness at the center part than the thickness at both end parts for the section of a main magnetic pole which is set oppositely to a recording medium with a recording/reproducing head of vertical magnetic recording system. CONSTITUTION:A vertical magnetic recording system performs recording/reproducing to a magnetic recording medium 1 traveling between a main magnetic pole 2 set at the recording side of the medium 1 and an auxiliary magnetic pole 3 set at the other side of the medium 1 by making use of the vertical magnetization of the medium 1. This recording system includes a coil 4. The pole 2 has its section having larger thickness t2 at the center part than thickness t1 at both end parts, e.g., a semicircular section (a), a semicircular section having large thickness (b), a house-shaped section (e), etc. An arrow shows the traveling direction of the medium in the figure.
Patent JP-H0453768-A (JP)
Title: Thermal transfer printer
Inventor: ARIMOTO KAZUAKI
IPC: B41J13/10
Filed: 1990-06-21
Abstract: PURPOSE:To prevent generation of a defect in a printed image due to dust settlement on a sheet transport path and thereby obtain a high-quality image by using sheet guides of a temporary save part mutually as a rail-like guide across a specified space. CONSTITUTION:A printing sheet 5b sent to a temporary save part 8f for printing a next color on a printed image after printing of some color is supported by guides 8fL, 8fR, and is kept afloat with a specified space left from the bottom surface 8g of the temporary save part 8f. Therefore, the charged printing sheet 5b is not electrostatically powerful enough to attract dust C through the specified space, if the dust C is present at the bottom surface 8g. Thus the settlement of dust C on the printing sheet 5b is prevented.
Patent JP-H06346969-A (JP)
Title: Connecting structure of piston to connecting rod
Inventor: HORIUCHI SHIGEAKI
IPC: F16J1/22
Filed: 1993-06-10
Abstract: PURPOSE:To enhance workability by previously incorporating a component for pinching the receiving member of a connecting rod into a housing, and also to enhance each performenace of each chamber by separating an cooling oil chamber from a lubricating oil chamber. CONSTITUTION:An annular groove 62 is provided on the lower surface of the top wall of a reverse cup-shaped housing 61, so as to form a lubricating oil chamber 65. A semi spherical receiving member 16 formed on the small end of a connecting rod 21 is inserted into the housing 61. The lower surface 16b for forming the spherical projecting part of the receiving member 16 is supported to the upper surface 23a for forming the spherical recessed part of a seat cylinder 23. A semi cylindrical sliding body 9 is pinched between the semi cylindrical recessed part 16c formed on the upper surface 16a of the receiving member 16, and extended in the crank shaft direction and the top wall of the housing 61. The housing 61 is fitted and inserted into a skirt part 2c of the piston 2, so as to section a cooling oil chamber 5 on the upper side of the top wall of the housing 61. A binding cylinder 22 for fitting the seat cylinder 23 formed by two-divided bodies is supported to a holding cylinder 26 locked on the skirt part 2c.
Patent JP-H10340292-A (JP)
Title: Layout method for circuit
Inventor: IWAMOTO KEIICHIRO
IPC: H01L21/822
Filed: 1997-06-06
Abstract: PROBLEM TO BE SOLVED: To shorten the design time by automatically selecting an arrangement improving process or cell replacing process in a timing-driven arrangement and performing the arrangement based on. SOLUTION: The reduction time Td of a delay time when a cell 53 moves to arrangement areas (X1, Y2), (X1, Y3), (X1, Y4), (X2, Y2), (X2, Y3), and (X2, Y4) is found. As for cells 52, 58 and 59, Td is found and maximum Td is obtained when the cell 53 is moved to the area (X1, Y3). Then, it is judged whether or not another path that the cell passes through by the movement is a critical path, and when the path as the critical path is absent, the gains G of all the cells in the arrangement areas at the movement destinations are found. When the gain G when the cell 53 moves to the area (X1, Y3) and the gain G of the cell 56 are larger than a constant, the cell 53 moves from an area (X2, Y3) to (X1, Y3) and the cell 56 moves from an area (X1, Y3) to (X2, Y3), thereby shortening the delay time of the critical path 60.
Patent JP-S6411179-A (JP)
Title: Urethane based adhesive composition
Inventor: NEJIGAKI KAZUMI
IPC: C09J175/04
Filed: 1987-07-03
Abstract: PURPOSE:To obtain the titled composition, capable of suppressing foaming in curing and having great elongation and peel strength of cured products with a long pot life, by using zeolite containing particles having a specific particle diameter as an inorganic filler. CONSTITUTION:The aimed composition obtained by using (A) a polyisocyanate compound, (B) a compound having active hydrogen and (C) zeolite containing >=80wt.% particles having <=10mum particle diameter as an inorganic filler and further (D) a catalyst. Furthermore, zeolite '4A' expressed by Na2Al2Si3O10, etc., is preferably used as the component (C).
Patent JP-H0245760-A (JP)
Title: Apparatus and method for detecting gaseous component in air
Inventor: KURUTO RAIHINITSUTSU
IPC: G01N21/78
Filed: 1989-06-29
Abstract: PURPOSE: To automatically measure and show various different components by an attached test tube by reading data of a storing body at the time of insertion for the housing part of the test tube. CONSTITUTION: A test tube 1 releasing the end part 4 is inserted in the inlet opening part 25 of a transport head 13, and grasped by a step motor 6 and a roller pair 7. The test tube 1 is transferred to a housing part 9 through a holding part 8. At the same time, the step motor 6 of a control unit 23 is slid for detecting the test tube 1, and a sliding body 16 opens a connection opening part 15. A bar code carrier 5 passes before a reading device 14 while the test tube 1 is inserted in the housing part 9. Next, data decoded by an evaluation unit 19 are stored, and a corresponding comparison value and gas classification are read out from a comparison memory 20 and a gas classification memory 21 to be compared therewith. And an operation-processed measured value is shown on a display unit 22.
Patent JP-S6142752-A (JP)
Title: Photomagnetic signal detection system
Inventor: MORITSUGU MASAHARU
IPC: G11B11/10
Filed: 1984-08-06
Abstract: PURPOSE:To maintain the best signal-to-noise ratio of a detected light signal by providing a correcting circuit which irradiates a photomagnetic medium with linear polarized luminous flux and outputs an optimum reverse bias corresponding the photodetection quantity of reflected luminous flux, and applying the optimum reverse bias to a photodetecting element. CONSTITUTION:The photomagnetic disk is irradiated with the linear polarized luminous flux and outputs of photodetecting elements 16 and 17 which photodetects the luminous flux split into two by a track detection system 18 are supplied to an adder 25. The mean photodetection quantity 26 of the reflected luminous flux which is added is outputted to the correcting circuit 27. The circuit 27 consists of an A/D converter 28, ROM 29, and D/A converter 30 and the value of the photodetection quantity 26 is converted into such a reverse bias voltage that the S/N ratio of an avalanche photodiode (APD)12 is maximum. The output of the circuit 27 is converted by a DC/DC converter 32 into a necessary reverse bias voltage V2, which is applied to the APD12. The output 33 of the APD12 is amplified by an amplifier 34 to hold the signal-to-noise ratio of the light signal optimum.
Patent JP-S6057664-A (JP)
Title: Manufacture of semiconductor device
Inventor: TSUKURA TAKASHI
IPC: H01L29/78
Filed: 1983-09-08
Abstract: PURPOSE:To contrive improvement in interlayer dielectric withstand voltage by a method wherein an interlayer insulating film is formed in double-layer structure of SiO2 and Si3N4, thereby enabling to prevent the self-admixture of P coming from poly Si due to the selective oxidation of the poly Si and to flatten the surface of the poly Si side wall by providing a tapered interlayer insulating film on said side wall. CONSTITUTION:A P type Si substrate 11 is isolated by an oxide film 13, a poly Si 14 to be used for electrode, an oxide film 15 to be used for electrode, and an Si3N4 film 16 are deposited on a gate oxide film 12, a resist mask 17 is provided, and an isotropic etching is performed on the Si3N4 film 16 and the SiO2 film 15. Then, the mask 17 is removed, an anisotropic etching is performed on the poly Si 14 to the midway point using the mask 16, the remaining layer 14' is selectively oxidized, and an SiO2 film 18 of the same thickness as the layer 14 is formed. A resist mask 19 is provided, a tapered etching is performed on the film 18, and a taper forming part 20 is left on the side wall of the poly Si 14. Then, an oxide film 21 is formed in the thickness same as the oxide film 12, a poly Si 22 to be used for electrode is coated thereon, and a gate electrode of double-layer poly Si is formed by performing an anisotropic etching. After a source and drain 23 has been formed in a self-matching manner, an aperture is provided on a interlayer insulating film 24, and an Al wiring 26 is attached. According to his constitution, the dielectric withastand voltage and the processing accuracy of the device can be improved.
Patent JP-H064752-A (JP)
Title: Illumination controller for automatic vending machine
Inventor: HISHITANI KIYOSHI
IPC: G07F9/02
Filed: 1992-06-24
Abstract: PURPOSE:To reduce power consumption without impairing vending efficiency by counting the number of vended articles at every fixed time and interrupting power supply to an illumination circuit even within illumination turn-on time when the counted number of vended articles is less than the previously stored number of controlled articles. CONSTITUTION:When current time data read from a timer 4 are within a range shown by first time zone data stored in a storage part 5, an arithmetic control part 7 closes a feeding circuit to an illuminator 1. When the data are within a range shown by second time zone data, data showing the cumulative number of vended articles stored in the storage part 5 are added by a vending controller 3 each time the article is vended. When the data showing the cumulative number of vended articles during specified days decided in advance are completely processed, the specified number data are compared with the number of vended articles and when the number of vended article is less than the specified number, the feeding circuit to the illuminator is opened. Thus, vending conditions within the time inputted in advance are automatically summed up and the ON/OFF of the illuminator is controlled corresponding to the summed-up result.
Patent JP-H0330491-A (JP)
Title: Device for screen-printing circuit pattern
Inventor: KOGA SHIGETOSHI
IPC: H05K3/34
Filed: 1989-06-28
Abstract: PURPOSE:To change the direction in which a squeegee is made to slide so as to print a circuit pattern well on a board by a method wherein a squeegee device is made to ascend by operating a lifter and to rotate it horizontal to a screen mask. CONSTITUTION:When a pattern hole 8 bored in a screen mask 1 has a major axis in an X direction or a Y direction, a rod 22 of a cylinder 20 is made to recede, a squeegee device is made to ascend, a pin hole 36c is released from a pin 36a, and the squeegee device is horizontally rotated by an angle of 90 degrees centering on a lifter 20 to change the direction of the squeegee device so as to enable a squeegee 16 to slide along the direction of the pattern hole 8. A board 40 is made to ascend to made its upside approach to the underside of the screen mask 1, and a motor 32 is driven to make the squeegee 16 slide on the screen mask 1 to print paste or cream solder.
Patent JP-H0216826-A (JP)
Title: Auxiliary signal transmission circuit
Inventor: WATANABE MASAYOSHI
IPC: H04L1/00
Filed: 1988-07-05
Abstract: PURPOSE:To facilitate the insertion/extraction of a transmission signal in a low frequency while circuit constitution is reduced by providing a circuit which can insert and extract the transmission signal in synchronizing with an information bit which is added to information to be transmitted for error correction. CONSTITUTION:A sum logical circuit 101 differential-converts input information signals 1-1 to 1-M, outputs information signals 2-1 to 2-M, and a speed conversion circuit 102 converts a speed, generates an auxiliary transmission signal time slot and an error correction time slot, and outputs them as information signals 3-1 to 3-M on a transmission side. Next, a sum logical circuit 104 and a synchronous multiplex circuit 103 generate information signals 6-1 to 6-M and an error correction circuit 105 adds a redundant bit and outputs them as information signals 7-1 to 7-M. Information signals 8-1 to 8-M transmitted in a radio section are error-corrected based on the redundant bit which has previously been obtained, a separation circuit 107 extracts the signals and the transmission signal 11 which has been power converted is transmitted from a differential logical circuit 108.
Patent JP-S649583-A (JP)
Title: Data processing system by ic card
Inventor: FUKUDA AKIRA
IPC: G06K17/00
Filed: 1987-07-02
Abstract: PURPOSE:To reduce the access time by parallel accessing and to improve the reliability of system by installing two systems of RAMs onto an IC card and writing same data therein. CONSTITUTION:The IC card 10 is provided with 1st and 2nd random access memories RAMs 12, 13 and terminal groups 14, 15 connecting to them respectively. The data processing unit is provided with 1st and 2nd memory access circuits 21, 22, 1st and 2nd contact groups 23, 24 and a control circuit 27, and in writing the data, the control circuit 27 writes the same write data to both the 1st memory access circuit 21 and the 2nd memory access circuit 22 and in case of data readout, the data is read from one memory access circuit and when it is normal, the result is processed as readout data and when not normal, the data read by the other memory access circuit is checked and when it is normal, the result is processed as the readout data. Thus, the reliability of the entire system is improved remarkably.