baber/WOPTO huggingface dataset:
Patent JP-H03170883-A (JP)
Title: Measuring apparatus for thermal characteristic of multibeam type ld
Inventor: HOSODA TAKUYA
IPC: G01M11/00
Filed: 1989-11-30
Abstract: PURPOSE:To dispense with a long applied heat waiting time and to enhance measuring reliability by mounting a variable DC current source, a variable pulse current source, a switch, a photodetector and a thermometer. CONSTITUTION:An LD 4 is heated by the current of a variable DC current source 1 and the heating equilibrium state before heating of the LD 4 and the pulse threshold value current after the completion of heating thereof are measured by a variable pulse current source 2, a photodetector 5, an amplifier 7 and a measuring device 8. The temp. of the LD 4 before heating and the temp. thereof in the heating equilibrium state are measured by the current source 1 and a thermometer 6. Further, the connection of the current source 1 to the LD 4 and that of the current source 2 to the LD 4 are replaced to measure a DC threshold value current and DC threshold value voltage by the current source 1, the photodetector 5, the amplifier 7 and the measuring device 8 while a pulse threshold value current is measured by the current source 2, the photodetector 5, the amplifier 7 and the measuring device 8. By subjecting these individual measuring results to operational processing, the cross talk heat resistance due to heat interference in the laser chip inner layer of the LD 4 and the specific temp. constant and heat resistance of each laser oscillation part (active layer) can be calculated.
Patent JP-H08167505-A (JP)
Title: Layer of arrester device in lightning arrester
Inventor: TAKAYAMA TORU
IPC: H01C7/12
Filed: 1994-12-15
Abstract: PURPOSE: To facilitate the manufacture of an arrester device and reduce its manufacturing cost by attaching at least two pieces of FRP insulator to the perimeter of the layer except the head of a layer electrode metal and applying a winding to the perimeter of a recessed part between the head and the cone part of the electrode metal. CONSTITUTION: An electrode metal 1 has a cone part 7, which is the opposite side of a head 6 spreading toward the end to form a cone, and is layered on both sides of a plurality of layered arrester devices 3 with the head 6 side as the outside and via a spring 4. An FRP insulator 2 is formed in an outer peipheral shape excepting the head 6 of the layer electrode metal 1. For example, it can be formed by providing three pieces together. A fiber winding 5 is a continuous glass fiber wire 8 which has been impregnated with resin; after the fiber is wound around the insulator, it is heated to harden the resin. Consequently, its manufacture is facilitated and its cost can be reduced.
Patent JP-H04181999-A (JP)
Title: Speech inputting device of acoustic device
Inventor: TODA TAKAHISA
IPC: G10L15/06
Filed: 1990-11-16
Abstract: PURPOSE:To facilitate the confirmation and correction of a registration place and the continuous registration of an unregistered area by specifying up to a storage area following a registered storage area in order when the output of a speech processing circuit is stored in a storage means corresponding to a function key. CONSTITUTION:A control circuit 7 composed of a microprocessor, etc., controls the speech processing circuit 1, a discriminating circuit 3, acoustic equipment 5, and changeover switches connected to them and also monitors the plug of a storage means 2, the connection of a CD player, etc., to control the whole acoustic device. Further, the control circuit 7 when storing the output of the speech processing circuit 1 in the storage means 2 selects storage area in order, but the storage areas are specified in order up to the storage area following the registered storage area. Consequently, the confirmation and correction of the registration place and the continuous registration of the unregistered area area facilitated.
Patent JP-H06162220-A (JP)
Title: Ternary output circuit for microcomputer
Inventor: HODAKA KAZUO
IPC: G06F15/78
Filed: 1992-11-20
Abstract: PURPOSE:To generate many control outputs without increasing the number of terminal pins by processing arithmetically control data latched from a data bus, and controlling P and N channel MOS transistors. CONSTITUTION:A data bus 6 transfers control data outputted from a CPU, calculated in accordance with program data in the inside of a microcomputer, and latch circuits 7, 8 hold the control data transferred from the data bus 6. A logic circuit constituted of an OR gate 9 and a NOR gate 10 controls gates of a P channel type MOS transistor 1 and an N channel type MOS transistor 2 in accordance with outputs of the latch circuits 7, 8, and outputs selectively a high level, a low level and a level between the high level and the low level from an output terminal 5. In such a state, by setting equally values of resistance 3, 4, Vdd/2 obtained by dividing a power supply voltage Vdd by the resistance 3, 4, that is, a middle level can be obtained from the output terminal 5.
Patent JP-H04183014-A (JP)
Title: Crystal resonator body structure and manufacture of the same
Inventor: NAKANE EIICHI
IPC: H03H3/02
Filed: 1990-11-17
Abstract: PURPOSE:To mount the crystal resonator body structure on a substrate in a stable state by forming an insulating resin layer to insulated lead wires by injection molding. CONSTITUTION:A crystal resonator body structure 30 is elliptically formed and composed of a crystal thin plate 12 which frequency is adjusted, two lead wires 14 connected to this crystal thin plate 12, pedestal 16, metal package 18 surrounding the crystal thin plate 18, and insulating resin layer 32 which is formed by injection molding on the bottom so as to insulate the surrounding of the lead wires 14. Since the insulating resin layer 32 is formed by injection molding, the lead wires 14 are held without fail by adhering the lead wires 14 and the insulating resin layer 32. Thus, the structure 30 can be mounted on the substrate in the stable state.
Patent JP-H04182677-A (JP)
Title: Optical system driving system
Inventor: MIYAMOTO NARIYUKI
IPC: G03B27/50
Filed: 1990-11-17
Abstract: PURPOSE:To prevent the distortion of an image by inputting a pulse signal whose pulse occupation ratio is gradually made high for a prescribed time just after starting into the control circuit of an electromagnetic clutch and gradually increasing driving/transmitting force, when the electromagnetic clutch is started. CONSTITUTION:For instance, when the starting of a forward electromagnetic clutch 42 is started, the pulse signal whose pulse occupation ratio is gradually increased is inputted for the prescribed time just after the starting, and a current with respect to the clutch 42 is spuriously turned on/off, so that prescribed driving/transmitting force is completely turned on, after the prescribed time lapses. Thus, the turning on action at the time of the starting of the clutch 42 is gently and smoothly carried out. Even if a gap exits between a carriage supporting rod 27 and carriages 21 and 24, the carriages 21 and 24 are not rattled, so that the reading of an original is surely carried out, and the image without having the distortion can be formed.
Patent JP-S63162584-A (JP)
Inventor: MATSUGAMI KAZUTO
IPC: C04B37/00
Filed: 1986-12-25
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-H03171123-A (JP)
Title: Bird's-eye photographing method by unmanned airplane
Inventor: ANDO KAZUAKI
IPC: G03B15/00
Filed: 1989-11-30
Abstract: PURPOSE:To allow bird's-eye photographing with lessened manpower by photographing an original plate by a camera internally provided in an unmanned airplane in such a manner that all the northing standards constituted to turn in the same direction according to the bearings of a gyroscope are visualized. CONSTITUTION:This device is constituted of a signal receiver R2 for operating the camera internally provided in the unmanned airplane A mounted with a flight function by a radio control, the gyroscope 1 and the camera 4. All the northing signals 10 constituted to turn in the same direction according to the bearings of the gyroscope are visualized on the original plate photographed by this camera 4. All the northing signals are thereby sharply expressed on the original plate of the photographed film and, therefore, the bearing can be distinctly checked at a glance. Thus, the difficulties, such as prior conference for photographing, are eliminated and the bird's-eye photographing with the lessened manpower is executed.
Patent JP-H06138649-A (JP)
Title: Method and device for cleaning photomask
Inventor: TAKEI SHIGEO
IPC: G03F1/82
Filed: 1992-10-29
Abstract: PURPOSE:To provide a method and a device for cleaning a photomask which reduces damages to a wiring pattern surface and also effectively removes foreign matters on a photomask surface at the time of cleaning the photomask. CONSTITUTION:The whole photomask 1 is sunk in a cleaning liquid, a roll 2 with a roll cover 8 approaches the photomask 1. In the gap between them, the flow 5 of the cleaning liquid is caused by a rotation of the roll 2 with variable speed and the cleaning liquid from a cleaning liquid emitting port 3 in front of the gap is ejected and a flow of the cleaning liquid generated by suction of the cleaning liquid by a cleaning liquid suction port 4 in the rear of the gap is caused. Thereby the photomask surface is cleaned.
Patent JP-2000140575-A (JP)
Title: Wet denitration
Inventor: TSUBOTA KOJI
IPC: B01D53/56
Filed: 1998-11-04
Abstract: PROBLEM TO BE SOLVED: To decrease the load in treating a nitrogen oxides absorption liquid by using, as the liquid, an ammoniacal absorption liquid containing hydrogen peroxide, in a method for absorbing and removing nitrogen oxides from a nitrogen oxides containing gas to be treated by contacting the gas with the nitrogen oxides absorption liquid. SOLUTION: At a denitration step in a nitrogen oxides absorption tower 1, a gas to be treated containing nitrogen oxides is introduced from an introduction pipe 10 into the tower 1 and a nitrogen oxides absorption liquid is introduced from a circulation pipe 13 to absorb and remove nitrogen oxides from the gas to be treated. At an ammonia removal step in an ammonia absorption tower 2, the gas to be treated is introduced from an exhaust pipe 11 into the tower 2 and an ammonia absorption liquid is introduced from an ammonia absorption and circulation pipe 14 to absorb and remove ammonia from the gas to be treated. Water discharged from a semiconductor production process and containing hydrogen peroxide and ammonia is used as the above nitrogen oxides absorption liquid, thus reducing the cost of chemicals.
Patent JP-H01152685-A (JP)
Title: Manufacture of circuit board
Inventor: YAMAMOTO JIRO
IPC: H05K3/40
Filed: 1987-12-09
Abstract: PURPOSE:To facilitate forming a high density circuit board by a method wherein a solder layer is provided on the contact part of an aluminum layer formed on an insulating board as a 1st conductor layer with a 2nd conductor layer, i.e. on a through-hole region, and heated and melted. CONSTITUTION:After an aluminum layer 2 with required patterns is formed on the surface of an insulating board 1 as a 1st conductor layer by sputtering and photoetching, an insulator layer 3 with required patterns are formed by printing and baking. Then a 2nd conductor layer 4 which connects between the required wiring patterns of the aluminum layer electrically and whose main component is copper is formed by printing and baking. Further, after a solder layer 9 is provided on a through-hole part where the 1st conductor layer and the 2nd conductor layer are brought into contact with each other, the board is heated to a temperature of 200-230 deg.C to melt the solder. Therefore, even if an oxide film is not broken electrically, the electric contact at the through- hole part can be obtained and the application as a multilayer circuit board causes no problem.
Patent JP-2000149285-A (JP)
Title: Error signal detecting device of optical pickup adopting hologram diffraction grating
Inventor: LEE YOUNG-JAE
IPC: G11B7/133
Filed: 1999-11-02
Abstract: PROBLEM TO BE SOLVED: To suppress the occurrence of an offset of focus error signal caused by variation of the waveform of a light source by using a hologram diffraction grating provided with first to fourth pattern regions in which incident light is diffracted in the different direction from each other and an optical detector provided with a single and bi-sected light receiving regions receiving ±first order diffraction light diffracted by this diffraction grating. SOLUTION: A single light receiving region and a bi-sected light receiving region are arranged so that π first order diffraction light diffracted by a fourth pattern region can be received and one part is arranged over an X axis. When an optical detector 50 is arranged at almost the center between a first focal point and a second focal point, size of light spots of ± first order diffraction light diffracted by a pattern region in which light is received at each light receiving region in an on-focus state are almost the same. A signal operation section 60 detects a focus error signal and/or a track error signal from a detected signal of a light receiving region. And detected signals of each bi-sected light receiving region are differentiated, and a focus error signal is detected by summing up these values.
Patent JP-H02158991-A (JP)
Title: Attachable and detachable electric apparatus
Inventor: SUZUKI TOMIO
IPC: G11B33/02
Filed: 1988-12-12
Abstract: PURPOSE:To easily attach and detach an electric apparatus by pushing a handle from the detaining position with a finger to release the detained state. CONSTITUTION:A detaining cam part 17 and a projection 18 are provided on right and left parts of a front panel part 11 so that they can be engaged with a detaining piece 15. When a handle 12 is pushed in to a first position, an upper projection 15b of the piece 15 is engaged with the projection 18 and the piece 15 is pivotally moved clockwise. Then, the contact state of a projection 15a to a cam curved surface 17a and a perpendicular engaging face 17b of a cam part 17 is released. Consequently, when the handle 12 is released from the finger, the piece 15 is slid on the curved surface 17a by a slide face 15c and is pivotally moved clockwise in the rotating manner, and the detained state of the handle 12 is released. The handle 12 is pivotally moved to the vicinity of a second position by the action of a spring member, and the grip part of the handle 12 is easily gripped, and a cassette deck is pulled out of a holding space, thereby easily attaching and detaching the cassette deck.
Patent JP-H03173932-A (JP)
Title: Optical disk
Inventor: TAKEDA TAKASHI
IPC: G11B7/24076
Filed: 1989-12-01
Abstract: PURPOSE:To suppress the crosstalks of the signals between adjacent tracks by providing grooves only in the regions where data are recorded. CONSTITUTION:The grooves 103 are provided only in the data parts 102 and do not exist in prepit parts 101; therefore, the reproduction of prepit signals is not affected at all. The formation of error signals for servo is entirely executed on the wobble pit parts in the prepits and, therefore, the depth and shapes of the grooves existing in the data parts 102 can be freely set to decrease crosstalks.
Patent JP-H02160992-A (JP)
Title: Control device of weighing of paper making plant
Inventor: MORI HIROCHIKA
IPC: D21F7/06
Filed: 1988-12-12
Abstract: PURPOSE:To reduce influences by change of flow rate and concentration of return white water from a silo by predicting a return amount of white water from a silo by an estimating part and setting a means to compensate a target value of flow rate by the predicted value. CONSTITUTION:Pulp suspension, ash water and return white water from a silo are fed to a junction point, a mixture thereof is discharged through a pump 5, etc., from a head box 8 onto a wire 9 and paper is made. In the operation, an estimating part 33 to assume a pulp amount and ash amount of return white water from a silo 11 is set and based on the estimated value, a target value of flow rate of pulp and a target value of flow rate of ash are estimatingly compensated.
Patent JP-H01154136-A (JP)
Title: Press-contact plate opening and closing device
Inventor: MATOBA TAKESHI
IPC: G03G15/04
Filed: 1987-12-11
Abstract: PURPOSE:To miniaturize a press-contact plate by setting the edging part of the turning member side of a compression spring in a position farther from the edging part of the regulating member side of the compression spring than from the turning center of the turning member. CONSTITUTION:The edging part of the turning member 3' side of the compression spring 7 is set in a position farther from the edging part of the regulating member 9 side of the compression spring 7 than from the turning center 13a of the turning member 3'. Accordingly, when the compression spring 7 is selected, the length of the compression spring in the closed and opened condition of the press plate 12 is lengthened, and the selection width of the compression spring is enlarged. Therefore, the occupied space of the compression spring is reduced and the press-contact plate can be miniaturized.
Patent JP-H01155456-A (JP)
Title: Information transmission/reception system
Inventor: IINO SEIICHI
IPC: G06F13/00
Filed: 1987-12-11
Abstract: PURPOSE:To transfer information without impairing the activity efficiency of a communication line by providing an optical recording and reproducing device large in capacity to record and reproduce transmission/reception information and performing the comprehensive recording and comprehensive reproduction of the transmission/reception information via the optical recording and reproducing device. CONSTITUTION:In the transmission of the information, a mode is set at a reading mode first, and transmission originals 21 are recorded on the optical recording and reproducing device 24 large in capacity sequentially via a picture signal fetching part 22 and a line memory 23. Next, when all of the recording is completed, the mode is set at an information transmission mode, and the originals are read out from the device 24 sequentially, and they are transmitted to the information transmission/reception system 29 of an opponent via an encoder/ decoder 36, a modem 27, and the communication line 28. Also, in the reception of the information, the mode is set at a reception mode, and the information sent via the decoder 36 are recorded on the device 24 sequentially, and when all of the recording is completed, the mode is set at a recording mode, and the information are read out from the device 24, and reception information is printed on recording paper 35 via the memory 23, a print driver 30, and a printer 34. In other words, by providing the device 24, it is possible to heighten the activity efficiency of the communication line and to perform the transmission/reception of the information easily.
Patent JP-2000137786-A (JP)
Title: Card with image receiving layer and device and method for manufacture thereof
Inventor: TSUDA TAKAO
IPC: G06K19/07
Filed: 1998-11-04
Abstract: PROBLEM TO BE SOLVED: To prevent thermal damage from being given to the image receiving layer which is formed previously to thermally transfer a face image and to form a noncontact type IC card, etc., with the face image which is free of thermal damage to the image receiving layer and has high heat resistance temperature. SOLUTION: This card 100 has a reverse-surface sheet 1, electronic components 4 for the card provided on the reverse-surface sheet 1, and a top- surface sheet 5 with the image receiving layer which seals the electronic components 4 and has the laminate structure wherein at least the reverse-surface sheet 1, top-surface sheet 5, and electronic components 4 are stuck together under specific working temperature conditions across adhesive sheets 10A and 10B. This structure can make uniform the thickness of the adhesion layers between the top surfaces of the electronic components 4 and the top-surface sheet 5, and the reverse surfaces of the electronic components 5 and the reverse- surface sheet 1 and increase the heat resistance temperature.
Patent JP-S63164404-A (JP)
Title: Magnetic fluid
Inventor: WAKAYAMA KATSUHIKO
IPC: H01F1/44
Filed: 1986-12-26
Abstract: PURPOSE:To obtain a low cost magnetic fluid having highly saturated magnetism by using a compound expressed by a particular equation as a surface active agent in a magnetic flluid including fine particles of iron, surface active agent and medium of hydrocarbon. CONSTITUTION:Iron may be partly oxidized and the surface active agent is stably dispersed into hydrocarbonic medium by using one or more kinds of compounds expressed by the following general expressions I and II. In the equations, R' is residual group of hydrocarbon: the aliphatic hydrocarbon group having a number of carbons of 12 22 is desirable. L is alkylene chain: non- substitution ethylene group is desirable. m and n respectively indicate positive integers and m+n indicates a positive integer from 2 to 10: an integer of 2-5 is desirable. R<2> indicates the hydrocarbon residual group: the aliphatic hydrocarbon having a number of carbons of 12-20 is desirable. As the element L, the ethylene group is desirable. l indicates a positive integer from 2 to 5.
Patent JP-H02159414-A (JP)
Title: Magnetic bearing stability watching system
Inventor: HISATANI MASUJIROU
IPC: F16C32/04
Filed: 1988-12-14
Abstract: PURPOSE:To foreknow generation of self-excited oscillation and to make it possible to cope therewith by constituting the matching system in the title so as to input a test signal into a compensating circuit for obtaining a closed loop transfer function from a displacement signal, to calculate and display an open loop transfer function therefrom, and to add a control constant to the compensating circuit at the time of shortage of stability. CONSTITUTION:Together with input of a test signal (et) different in frequency into a compensating circuit 7 by means of a test signal generator 11, a FFT analyzer 12 takes in the test signal (et) and a displacement signal (ez) on every time thereof for obtaining a closed loop transfer function GCL, transfers this function to an operating device 13 for calculating an open loop transfer function GOL and indicates this function in Nyquist display by means of a CRT display 14. As a result thereof, when stability is short, a control constant is added to the compensating circuit 7 by means of a control constant adding circuit 15. Generation of self-excited oacillation can be fore known thereby, in a case of generating unstable oscillation, it is possible to make clear the cause thereof so as to cope therewith in a short time.
Patent JP-H05128928-A (JP)
Title: Reed switch
Inventor: OSHIMA TOSHIHIRO
IPC: H01H1/66
Filed: 1991-10-31
Abstract: PURPOSE:To provide a reed switch excellent in surge withstand property by preventing damage or welding of a contact part caused by discharge due to a surge voltage. CONSTITUTION:A needle-like electrode 4 is provided somewhere, except a contact part 1a, on one reed piece 1. In a steady state the gap d2 between the needle-like electrode 4 and a contact surface 2b of the other reed piece 2 is set to be smaller than the gas d1 between contact parts 1a and 2a. When external surge voltage is applied to a pair of reed pieces 1 and 2, the discharge is performed via the needle-like electrode 4.