baber/WOPTO huggingface dataset:
Patent JP-H02115347-A (JP)
Title: Ferritic precipitation hardening stainless steel
Inventor: UTSUNOMIYA TAKESHI
IPC: C22C38/00
Filed: 1988-10-21
Abstract: PURPOSE:To obtain the title precipitation hardening stainless steel showing substantially a ferritic structure in the condition of solution heat treatment by forming the base with an Fe-Cr steel and incorporating Si and one or more kinds among Ti, Zr, Al, Nb, V, Ta, etc., as precipitation hardening elements into the steel. CONSTITUTION:The ferritic precipitation hardening stainless steel contg., by weight, <=0.08% C, 1.4 to 5.0% Si, <=1.0% Mn, <=0.010% S, 12.0 to 30.0% Cr, <=1.5% Ni and <=0.03% N and furthermore contg. one or more kinds among 0.2 to 3.0% Ti, 0.2 to 3.0% Zr, 0.2 to 3.0% Al, 0.2 to 3.0% Nb, 0.2 to 3.0% V and 0.2 to 3.0% Ta is obtd. The stainless steel has the above characteristics as well as has good workability as annealed and high strength can be obtd. by aging treatment.
Patent JP-H01107589-A (JP)
Title: Optical amplifier
Inventor: FUJIWARA MASAHIKO
IPC: G02F1/015
Filed: 1987-10-20
Abstract: PURPOSE:To facilitate the manufacture of a fiber optic pig-tail module, by bending the optical axis of an active light guide, in which light is amplified and propagated with bending light guides or light-guide corner mirrors, and forming the input/output terminals of the light at the same one end surface. CONSTITUTION:When a forward bias voltage is applied across ohmic electrodes 18 and 19 on the (p) side and (n) side of a semiconductor laser (LD) optical amplifier, a current is injected. A gain is yielded with an InGaAsP active layer 12 in a mesa stripe 31. This active light guide is formed by connecting a path as shown by a dotted line between C and C' through corner mirrors 33a and 33b. Therefore, when input/output optical fibers are coupled and fixed with the input terminal C and the output terminal C', a pig-tail module comprising the optical amplifier and the fibers is obtained. When tip-ball fibers 35a and 35b, which are aligned so as to hold an Si groove substrate 34 so that a pitch is aligned with the module, are made to face the input/output end surfaces 20 of the LD optical amplifier and aligned, the coupling at the input side and the coupling at the output side can be obtained by only one position alignment and adjustment. Thus the optical fiber pig-tail module can be readily manufactured.
Patent JP-H01106643-A (JP)
Title: Radio telephone set
Inventor: YOTSUYA AKIO
IPC: H04Q7/28
Filed: 1987-10-20
Abstract: PURPOSE:To prevent interference of a radio wave without provision of two sets of receivers respectively to a base station and each of mobile stations by allowing the base station and each mobile station to decide the operating channel in response to the received electric field of a mobile station respectively. CONSTITUTION:An electric field detection output terminal 14 of a base station 1 and an electric field detection output terminal 25 of a mobile station 2, and an electric field detection output terminal 15 of the station 1 and an electric field detection output terminal 24 of the station 2 are connected electrically respectively in the standby state. Thus, a control section 13 of the station 1 monitors the idle state of reception and transmission channels simultaneously at all times. In the station 2 also, a control section 23 of the station 2 monitors the idle state of reception and transmission channels simultaneously at all times through the similar connection. In case of calling, the station 2 is disconnected from the station 1 to go to communication, but only when both the channels are idle as the result of monitor of the channels, the station 2 sends a transmission radio wave to start the call connection. Similarly, the station 1 starts the incoming reply connection only when both the channels are idle. When both the stations completes the communication, the stations 1, 2 are connected and they are brought into the standby state.
Patent JP-H04141626-A (JP)
Title: Liquid crystal display element
Inventor: ISOGAI MASATO
IPC: G02F1/1337
Filed: 1990-10-03
Abstract: PURPOSE:To realize the best display performance by selecting a liquid crystal material and an orientation control film so that the angle between the mean azimuth of the long axes of liquid crystal molecules on the surface of a substrate which is measured optically and a smectic layer and the angle where the smectic layer matches the normal of the substrate surface meet specific requirements. CONSTITUTION:A liquid crystal layer 1 made of ferroelectric liquid crystal is so structured that the smectic layer is bent in the element as shown in a figure, and the liquid crystal layer 1 is inserted and held between two transparent substrates 2A and 2B. The ferroelectric liquid crystal layer 1 is oriented in a nearly constant direction on the substrate surface and the angle theta between the mean azimuth of the liquid crystal molecule long axes on the substrate surface which is measured optically and the angle delta where the smectic layer matches the normal of the substrate surface are shown in an expression I. Namely, the liquid crystal material and the direction on the substrate surface are selected so that the expression I holds. Consequently, the bright display element which has high display quality, namely, has a high contrast and fast response is obtained.
Patent JP-H01108313-A (JP)
Title: Production of cast iron casting
Inventor: OKAZAKI TAKESHI
IPC: C22C37/00
Filed: 1987-10-21
Abstract: PURPOSE:To produce a cast iron casting having a sliding surface which is highly resistant to wear and pitting by converting the part to be made into the sliding part of the cast iron casting consisting of a specific component compsn. into a chilled structure and subjecting this sliding part to an austenitization treatment under specific conditions, then cooling the same. CONSTITUTION:The cast iron casting contg., by weight %, at least one kind among 2.8-3.8% C; 1.5-2.7% Si; 0.5-1.0% Mn; 0.1-1.2% Cr; <=0.3% P; <=0.1% S; 0.1-1.0% Mo; 0.1-1.5% Cu; and 0.1-3.0% Ni is produced. The part to be made into the sliding part of this cast iron casting is converted to the chilled structure and the sliding part is subjected to the austenitization treatment by high frequency heating, etc., at the temp. at which the carbide is not cracked. The casting is then cooled down to about <=300 deg.C by 1-10 deg.C/sec cooling rate. The cast iron casting having the sliding surface which is highly resistant to wear and chipping is thereby obtd. at a low cost without generating defective hardening and quenching cracks. This casting is useful for the cam shafts of automobiles.
Patent JP-H09111086-A (JP)
Title: Resin composition, acrylic premix and production of acrylic artificial marble
Inventor: MATSUMOTO YOSHIJI
IPC: C08F220/10
Filed: 1995-10-13
Abstract: PROBLEM TO BE SOLVED: To obtain a resin composition for artificial marbles, etc., having high strength by blending a syrup containing methyl methacrylate, etc., and polymethylmethacrylate, etc., with latex particle aggregate having a specific core/shell structure and a polyfunctional monomer. SOLUTION: (A) Acrylic syrup comprising methyl methacrylate or a monomer mixture containing methyl methacrylate as a main component and it polymethyl methacrylate or a polymer containing methyl methacrylate as a main component is blended with (B) resin polymer powder which is aggregate of latex particles having a core/shell structure, (15/85) to (85/15) weight ratio of core phase to shell phase and >=0.1μm particle diameter and (C) a polyfunctional monomer (e.g. trimethylolpropane trimethacrylate) to provide the objective resin composition useful for molding materials, especially premix suitable for high temperature molding and excellent in moldability and processability, and for acrylic artificial marbles, etc., having high strength.
Patent JP-H05111273-A (JP)
Title: Control method for stopping spindle motor
Inventor: ONOE YASUO
IPC: H02P3/18
Filed: 1991-10-15
Abstract: PURPOSE:To allow a spindle motor to stop in a short period of time without causing any damage to a disk by braking the spindle motor by an interphase short circuit until it reaches a given rotation and braking it by a reverse rotation braking after it reaches the given rotation. CONSTITUTION:An interphase short circuit actuation signal S3 is outputted by a microprocessor to the driving circuit 13 for spindle motor. The driving circuit 13 transmits an actuation signal S6 to a spindle motor M to apply a brake to it by a counter electromotive force due to a short circuit between the phases. A revolution signal S7 is inputted to a revolution detecting circuit 14 from a revolution detecting element 15, so that the revolution detecting signal S8 of the revolution detecting circuit 14 is inputted to the microprocessor 11. The microprocessor 11 analyzes the signal S8 and outputs a signal for the reverse rotation 2' to a spindle motor control circuit 12 when the rotation is reduced to a given rotational number. The control circuit 12 outputs a driving signal S5 to the driving circuit 13. The driving circuit 13 applies a brake to the spindle motor M by its reverse rotation due to the driving signal S6.
Patent JP-H02113633-A (JP)
Title: Viterbi decoding circuit
Inventor: AIKAWA SATOSHI
IPC: H03M13/00
Filed: 1988-10-24
Abstract: PURPOSE:To realize the title circuit with a small quantity of hardware even when the constraint length and the number of the information bits per symbol to be transmitted is larger by making a pass memory input into an encoding bit only. CONSTITUTION:The input signal of a K+N bit is inputted to a demapping circuit 1, a branch metric generator 2 and an ACS circuit 3. As an output, the encoding N bit of a symbol corresponding to respective states is inputted to a pass memory 4, and further, the non-encoding K bit corresponding to respective encoding bits is inputted to a shift register 5. The output of the pass memory 4 is the encoding bit of the selected N bit and the output of the shift register 5 is the non-encoding bit in which the same quantity as the number of the steps of the truncation of the pass memory 4 is delayed. Next, with a selector 6, the non-encoding bit corresponding to the encoding bit outputted from the pass memory 4 is selected. Thus, the number of selectors and the number of memories can be curtailed.
Patent JP-H04141527-A (JP)
Title: Production of hot rolled steel plate having high r-bar value
Inventor: NAKAMURA TAKAAKI
IPC: C21D9/48
Filed: 1990-10-02
Abstract: PURPOSE:To smoothly and stably produce a hot rolled steel plate having high r-bar value without reducing the productivity of a line by subjecting a steel for hot rolled steel plate having limited component elements to specific rolling stage. CONSTITUTION:This invention relates to a process for producing a hot rolled steel plate with high r-value characterized by subjecting a steel for hot rolled steel plate having a composition, which contains, by weight, <=0.05% C and <=0.01% N and in which the contents of C and N and the content of Ti and/or Nb satisfy the relationship in 0.4 (Ti/48+Nb/93)<=C/12+N/14<=1.2(Ti/48+Nb/93), to the completion of hot rolling at a temp. not lower than the Ar3 transformation point, to coiling at 700-800 deg.C, to lubricating rolling in which friction coefficient (mu) at 500-800 deg.C becomes <=0.15, and then to recrystallization treatment. Further, in this steel plate, the content of Ti and/or Nb is balanced with the contents of C and N by a specific inequality C/12+N/14<=1.2(Ti/48+Nb/93), and {111}/{100} is improved and deep-drawability is improved by reducing the contents of C and N as solid solutions.
Patent JP-H07118065-A (JP)
Title: Carbonaceous material excellent in oxidation resistance
Inventor: FUKUI TOSHIMI
IPC: C04B35/52
Filed: 1993-10-25
Abstract: PURPOSE:To obtain a low-cost amorphous carbonaceous material having high strength and high electric conductivity, excellent in oxidation resistance even in use at a high temp. in the air and also having stable characteristics. CONSTITUTION:This carbonaceous material is a practically amorphous carbonaceous material contg. one or more kinds of compds. selected from among carbides, borides and boron carbide and has <=1X10<-2> OMEGAcm specific resistance, >=80MPa bending strength and Shore hardness of >=90. This material especially contains at least 5-5Ovol.% boron carbide and 5-50vol.% silicon carbide.
Patent JP-H02137757-A (JP)
Title: Building sheet made of cement reinforced with plastic mesh and glass fiber
Inventor: SHIRUBUIO MANAANI
IPC: E04C5/07
Filed: 1989-10-16
Abstract: PURPOSE: To obtain a building sheet which is subjected to non-rapid non-brittle destruction and has high initial crack load by using plastic mesh and alkali resistant glass fibers as reinforcing materials, laminating these materials and element layers consisting of a cement mixture and alternately incorporating two kinds of the reinforcing materials described above into the element layers.  
     CONSTITUTION: This building sheet consists of the following constitution: Namely, the sheet includes the several superposed element layers consisting of the cement mixture contg. cement, inert materials and additives and the reinforcing materials. Some of these element layers contain the plastic mesh as the reinforcing material and the other element layers contain the alkali resistant glass fibers as the reinforcing material in adequate alternation. The cement mixture is preferably composed of 50 to 85% cement, on the basis of a dry weight, 10 to 50% inert material (more adequately sand) and 0 to 15% additives (adequately fluidizing agent and dye). 
     COPYRIGHT: (C)1990,JPO
Patent JP-H04143594-A (JP)
Title: Condenser cooled by direct contact type cooling
Inventor: TAKAHASHI MAMORU
IPC: F28C3/06
Filed: 1990-10-05
Abstract: PURPOSE:To increase the thermal efficiency of a plant by a method wherein a heater, in which heat exchange between cooling water heated by a filling floor and induced mixture gas is effected, is provided in the lower zone in a vessel above the filling floor. CONSTITUTION:The support 12 of filling materials 3 and a drain sump top plate 13, provided below the support 12, are provided in a vessel 1. The drain sump top plate 13 forms a mixed gas chamber 14, into which the mixed gas is introduced, together with the support 12. The mixed gas chamber 14 communicate with a gas inlet nozzle 4 and finned heat transfer tubes 15 are arranged in the chamber 14. The upper parts of the finned heat transfer tubes 15 are connected integrally to the floor surface 12c of the support 12 and communicate with a cooling water reservoir 12d formed by the support 12 while the lower parts of the same are connected to the drain sump top plate 13 and communicate with a drain sump 7. Cooling water, heated to a temperature near a value T3 by the mixed gas introduced from a gas inlet nozzle 4 in the filling floor of the filling materials 3, is collected into the cooling water reservoir 12d of the support 12 and, thereafter, flows through the finned heat transfer tubes 15 and drops into the drain sump 7. Heat exchange is effected between the cooling water and the mixed gas, introduced into the mixed gas chamber from the gas inlet nozzle 4, while the cooling water flows through the finned heat transfer tubes 15 whereby the cooling water is heated.
Patent JP-H11111252-A (JP)
Title: Structure of contact of battery application equipment
Inventor: KITA MASAHARU
IPC: H01M2/10
Filed: 1997-09-30
Abstract: PROBLEM TO BE SOLVED: To provide the simple structure, with which existence of conical coil spring is easily confirmed at the time of inserting a battery and with which battery can be exchanged while saving one's labor and which can improve the convenience in handling. SOLUTION: Structure of a contact of a battery application equipment is formed of a conical coil spring 7 arranged as a battery contact in an opening side of a cylindrical battery housing wall (battery housing section) 2 and a minus contact plate (terminal plate) 6 to be electrically led to the conical coil spring 7. The contact plate 6 is provided with a conical coil spring pinching part 6a, in which an end of the conical coil spring 7 is pinched for support, and this pinching part 6a is arranged in an opening edge of the battery housing wall 2.  The conical coil spring 7 is formed of a conical spring main body 10 and a rectangular most outside part (bottom coil body) 11 to be arranged in the bottom of the main body, and the most outside part 11 is fitted to the terminal plate 6 at two positions by energizing it outside from the opening of the battery housing section 2 through the conical coil spring pinching part 6a.
Patent JP-H07121358-A (JP)
Title: Program customizing device
Inventor: OSHIMA MASATAKA
IPC: G06F9/06
Filed: 1993-10-26
Abstract: PURPOSE:To prepare specifications corresponding to the specializing request of a program at the time of preparing the specifications of the program and to make the result automatically reflect on a program preparation operation. CONSTITUTION:A program constitution definition device 4 reads program model information and stores the assignment information of data definition for external data in a data definition assignment storage device 5. A data editing definition device 6 refers to data definition information and the assignment information of the data definition and stores data editing processing definition information in a data editing definition storage device 7. A program specializing device 8 specializes the program model information and generates it as program specifications based on the data definition information, the assignment information of the data definition and the data editing processing definition information.
Patent JP-H02117587-A (JP)
Title: Hand rail device for passenger conveyor
Inventor: SUZUKI MASAO
IPC: B66B23/26
Filed: 1988-10-25
Abstract: PURPOSE:To guide a passenger, grasping a hand rail on the side where a speed is increased, at a speed matching the speed of the hand rail by a method wherein the hand rail is run at a speed higher than the moving speed of a step. CONSTITUTION:A speed varying unit 9 is provided between the drive systems of a hand rail 6, i.e., a sprocket 3b and sprocket 8a. A power is transmitted from the sprocket 3b to the speed varying unit 9 through a chain 7a to rotate the speed varying unit. The speed is changed into a speed higher than that of a step 5 to transmit it to a drive pulley 8 through a chain 7b. As a result, passengers are divided into a passenger group getting on the hand rail side having the same speed as that of the step and a passenger group which gets on the handrails side where the speed is increased and runs up at a speed matching the running speed of the hand rail.
Patent JP-2001090664-A (JP)
Title: Air filling device
Inventor: KOMENO FUSAO
IPC: F04B41/00
Filed: 1999-09-21
Abstract: PROBLEM TO BE SOLVED: To provide an air filling device enabling the air filling work in a fire field hard to secure a power source, besides a facility provided with a power source. SOLUTION: An electric motor 7 and a hydraulic motor 13 are provided as a driving source for an air compressor 3 on a base 2 loaded with the air compressor 3.
Patent JP-H01108575-A (JP)
Title: Control method for multicolor image forming device
Inventor: MURAZAKI HIROSHI
IPC: G03G15/08
Filed: 1987-10-21
Abstract: PURPOSE:To prevent the color mixing by detecting the movement of a developing part and consuming a toner held on the surface of a developing roll to the surface of an electrostatic latent image carrier. CONSTITUTION:When a developing part 30 is switched from a black developing state P1 to a color developing state P2, a switch S1 is turned OFF, and subsequently, a switch S2 is turned ON. Next, based on an OFF signal, a main motor 2 operates, and a photosensitive drum 3 and a developing roller 32 rotate. Accordingly, a black toner which remains behind in a carrier held on the surface of the developing roller 32 is carried through the outside peripheral part, based on the rotation of the developing roll 32, supplied electrostatically to its surface in an opposed part to the photosensitive drum 3, and the black toner is removed from the outside peripheral part of the developing roller 32. In this case, the black toner is electrified to the plus polarity, repels a developing bias voltage Vb=+50V and transferred positively to the photosensitive drum 3. In such a way, the color mixture is prevented.
Patent JP-H01108529-A (JP)
Title: Driving method for optical write liquid crystal display element
Inventor: KUSUDA YUKIHISA
IPC: G02F1/133
Filed: 1987-10-22
Abstract: PURPOSE:To convert a negative image to a positive image by providing a means for putting a liquid crystal orientation into disorder in case there is no write information. CONSTITUTION:Projection light beams change the direction of light beams of a light source 500 by a refracting mirror 501, pass through a condenser lens 502 and go into a polarized light beam splitting prism 503. Subsequently, only a specific polarized light component goes into the projection light side of a light valve 200, reflected light beams go into the polarized light beam splitting prism 503 again, and the polarized light component being orthogonal to the incident polarized light direction of said light valve passes through and projected onto a screen by a projection lens 504. Also, the amplitude of an AC power source 9 applied to the light valve 200 is set larger than a conventional set value, so that an electric field of the AC power source 9 works on a liquid crystal layer 7 in the light valve 200 and puts a liquid crystal orientation into disorder, in a state that the write light intensity is '0'. In such a way, a positive image corresponding to an image of a negative film 505 can be projected onto a screen 600.
Patent JP-H07184237-A (JP)
Title: Telephone subsciber circuit and telephone coupling circuit
Inventor: TORAZZINA ALDO
IPC: H04Q3/42
Filed: 1994-10-31
Abstract: PURPOSE: To reduce the cost of a device and the area required for integration of a circuit and to improve the reliability of the device by reducing the number of parts. CONSTITUTION: A single photo coupler 3 is provided which has an input terminal connected to a terminal of a telephone line and is connected to a transmission circuit for call signal transmission connected between two terminals of the telephone line and is connected to the output terminal of a speech circuit 20 connected to a line terminal through a (diode) bridge circuit 2 and a switch 1. This photo coupler 3 has an output terminal for connection to a subscriber device to which power is not supplied from the telephone line. This subscriber circuit realizes coupling between the telephone line and the subscriber device while keeping galvanic isolation.
Patent JP-H08128517-A (JP)
Title: Transmission case
Inventor: MOCHIZUKI AKIRA
IPC: F16H57/038
Filed: 1994-10-31
Abstract: PURPOSE: To form evidence for machining on a transmission case without swelling out an oil pan fitting flange so as to decrease the cost and improve the degree of freedom for design, prevent the position of a hole for evidence from being dislocated, and further prevent water from staying in the bag-like part of a reinforcing rib. CONSTITUTION: A case main body 1 is provided with an oil pan fitting flange 11 having an oil pan joint face 11a to be joined with the end face of an oil pan 3, and a housing fitting flange 12 having a housing joint face to be joined with the end face of a housing, so that they are meeted at nearly right angles with each other. Consequently, a reinforcing rib 14 reinforcing the case main body 1 is formed in parallel with the oil pan joint face 11a, a bag-like part 4 is formed on the back of the reinforcing rib 14 on the opposite side to the oil pan joint face 11a, and a hole 5 for machining evidence and assembling evidence is drilled in the position of the bag-like part 4 of the reinforcing rib 14.