baber/WOPTO huggingface dataset:
Patent JP-H0238824-A (JP)
Title: Photodetector apparatus
Inventor: FURUYA AKIRA
IPC: H04B10/60
Filed: 1988-07-28
Abstract: PURPOSE:To realize a photodetector apparatus having a light discrimination function without using a large-scale waveform discrimination device by connecting current detection load to the connection point of two current responsive photodetectors connected in series and having different light absorbing characteristics to detect the difference between the currents generated in both photodetectors. CONSTITUTION:Two photodiodes PD1, PD2 being photodetectors are connected in series within a detection circuit 10a and inverse bias is applied to connect a resistor RL working as a load to the connection point thereof to obtain an output signal. This output signal is detected by a comparator CO. The photodiodes PD1, PD2 show current responses having different wavelength dependences to equal light according to the absorption coefficient and thickness of a light absorbing layer. Then, by selecting the difference between light absorption characteristics properly and detecting a signal wherein the output current flowing through the load resistor RL is a predetermined level or more by a comparator CO, light of a desired wavelength and is detected. By providing a plurality of the detection circuits 10a, 10b of this kind, a photodetector apparatus having light discrimination capability for plurality of wavelengths can be constituted.
Patent JP-S6170359-A (JP)
Inventor: TAKEUCHI HIROYUKI
IPC: F25B49/00
Filed: 1984-09-10
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-H0856183-A (JP)
Title: Guidance device
Inventor: MARUYAMA RYUHEI
IPC: H04B10/11
Filed: 1994-08-11
Abstract: PURPOSE:To allow the tour person to listen to explanation of an exhibition from the start depending on the circumstance and the pace of the tour person. CONSTITUTION:Radiators 6-1 to 6-N arranged on a ceiling or the like of each exhibition place emit guide information of each exhibition place repetitively as optical signal. When a tour person 11 listens to the explanation about exhibition, a carried receiver 7-1 is directed to the radiators 6-1 to 6-N to receive guidance information. The received data are stored in a memory and when the tour person 11 depresses a start button, the guide information is reproduced from the beginning, When various functions added to the receivers N-1 to N-7 are used, the corresponding button or the like is depressed.
Patent JP-2001009721-A (JP)
Title: Abrasive recovery system
Inventor: NOMURA MAKOTO
IPC: C02F1/38
Filed: 1999-07-02
Abstract: PROBLEM TO BE SOLVED: To recover slurry of abrasive particles easily reusable as abrasive slurry from effluent from polishing processes in an easy and effective manner. SOLUTION: This recovery system comprises concentrating means 2 for concentrating effluent from a polishing process, washing means 3 for washing abrasive particles in the concentrate and means for inputting a dispersant into the washing means 3 or an earlier step. In another mode, the recovery system comprises washing and concentrating means 2 for concentrating and washing effluent from a polishing process and means for inputting a dispersant into water introduced into the washing and concentrating means 2.
Patent JP-S6251322-A (JP)
Title: Variable sampling pcm system
Inventor: KITAZAWA MASAKAZU
IPC: H04B14/04
Filed: 1985-08-30
Abstract: PURPOSE:To attain recording and storage of lots of PCM data by varying a sampling frequency so as to decrease the PCM code quantity without changing the quality of an analog signal. CONSTITUTION:The optimum sampling frequency at a time of an input analog signal is decided by a comparator 6 deciding the sampling frequency. From the result of comparison, the result is inputted to an A/D converter 11 through a low pass filter 7 cutting off a high frequency component of the input analog signal or a switch 9 from a filter 8 having a lower filter. The A/D converter 11 receives a sampling pulse from a sampling frequency selection circuit 10 from the result of comparison and encodes it and outputs a frame signal addition and sampling frequency decision bit through an adder circuit as a PCM signal. A PCM code inputted to a D/A converter 14 by a frame synchronizing circuit and a sampling frequency decision circuit is decoded by receiving a clock from a frequency selection circuit 15 for decoding, the result is given to a switch circuit 19 through a low pass filter 16 and a filter 17 having a lower frequency.
Patent JP-S6081984-A (JP)
Title: Motor driving device of electronic still camera
Inventor: OKITA MASAYA
IPC: H02P6/06
Filed: 1983-10-13
Abstract: PURPOSE:To shorten time in which shutter release becomes possible and save power consumption by making preliminary rotation control at a speed lower than rated revolutions of a motor, and after attaining to the rated number of revolution, shifting the phase of a vertical synchronizing signal to conform with the phase of rotation of a magnetic disk. CONSTITUTION:The magnetic disk 2 is rotated by a motor 1 and recording current is supplied from a video signal processing circuit 5 to a magnetic heads 3 through a switch 4. A signal (e) due to half pressing of a shutter is supplied to an AND gate 20 and impressed to a control circuit 10 through an OR gate 21, and the motor 1 is made to the state of preliminary rotation due to switching operation. Then, by a release signal (f) of the shutter, a timing control circuit 15 keeps output of the gate 21 to H level, and the motor 1 is controlled to rated number of revolution. At this time, phase of a vertical synchronizing signal from a synchronizing signal generator 14 is shifted by output of a jitter detecting circuit 13 to conform with the phase of rotation of the disk 2, and then the switch 4 is closed. Thus, time in which releasing becomes possible can be shortened, and power consumption can be reduced.
Patent JP-H0743186-A (JP)
Title: Mercury register
Inventor: KAWAKAMI ETSUHISA
IPC: G01F11/28
Filed: 1993-07-30
Abstract: PURPOSE:To provide a mercury register capable of precisely measuring mercury with good reproducibility. CONSTITUTION:A mercury register has a mechanism using a pulse motor 30 and a screw shaft 32 for positioning an electrode 10 to a position according to mercury quantity. The resister is further provided with an air cylinder 25 for supplying a vacuum pressure to a suction nozzle 7, and a mechanism using a pulse motor 35 and a screw shaft 37 for generating the vacuum pressure according to a set mercury quantity in the air cylinder 25. Thus, the electrode 10 is positioned in the nozzle internal position according to the set mercury quantity, the air cylinder 25 is displaced on the extending side according to the set mercury quantity, and the set quantity of mercury is precisely sucked into the suction nozzle 7 with good reproducibility.
Patent JP-H0938015-A (JP)
Title: Dish washer
Inventor: TABATA MARI
IPC: A47L15/42
Filed: 1995-07-26
Abstract: PROBLEM TO BE SOLVED: To provide a dish washer to be effectively heated and having the space formed inside the washer to be effectively utilized by installing a heater avoiding disadvantages of utilizing electric heaters. SOLUTION: A heater to heat the inside of a washing chamber 3, in which dishes are to be stored and set for washing, heats up water passing in the heater. Thus, the heater system consists of the water heater 19 to heat the inside of the washing chamber 3, and the water heater 19 is consolidated to the washing chamber 3 to be one unit.
Patent JP-S6344913-A (JP)
Title: Magnetic separator for powder materials
Inventor: YANO JUNICHI
IPC: B01D35/06
Filed: 1986-08-12
Abstract: PURPOSE:To enhance yield and grade of refining by introducing powder materials to be treated together with air current into a dispersion chamber and further introducing the same into a recovery chamber through filter medium magnetized by means of application to an exciting coil in a housing. CONSTITUTION:Powder materials A to be treated in a basket 71 is introduced into a dispersion chamber 51 together with air current in a main pipe 54 by drying a suction blower 81, dispersed sufficiently by the air current from a branch pipe 55 and introduced into filter medium 31 in a housing 21. The magnetic content of powder materials A to be treated is separated and caught effectively by applying to exciting coils 11 and 12. Non-magnetic content passed through the filter medium and is introduced into a recovery chamber 61 through a discharge port 62, and separated from air current by a filter 63.
Patent JP-S6346338-A (JP)
Title: Ultrasonic humidifier
Inventor: KOBAYASHI YOSHIHISA
IPC: F24F6/12
Filed: 1986-08-13
Abstract: PURPOSE:To completely remove distrust from the user on the ultrasonic humidifier by carrying out a continuous humidifying operation during a predetermined period of time after supplying power to a humidifier unit and carrying out the control of operation using a humidity sensor after the lapse of said predetermined period of time. CONSTITUTION:When power is supplied to a ultrasonic humidifier, humidification is carried out within a predetermined period of time regardless of how is the humidity in the vicinity of the humidity sensor 15. Air which has flowed into the humidifier through a suction port within the predetermined period of time passes through a humidifier unit 14 and is discharged from a nozzle 5 via a casing 10 and an opening hole 11 and the ambient humidity of the humidity sensor 15 assumes a value sufficiently close to the humidity of external air. When the lapse of the predetermined period of time is confirmed, the determination of the humidity is carried out, and whether or not the humidity has exceed the set humidity value is judged. When it is confirmed that the humidity has exceeded the predetermined value, the humidification is stopped and the determination of the humidity is repeated.
Patent JP-H0835724-A (JP)
Title: Gas heating apparatus
Inventor: AMO HIROSHI
IPC: F24H3/04
Filed: 1994-07-21
Abstract: PURPOSE:To provide a gas heating apparatus which can be preferably used in a clean room without generating foreign matter by heating gas. CONSTITUTION:The gas heating apparatus comprises a halogen heater 1, and a quartz tube 2 having an inlet 3 of gas to be heated, directly welded to the heater 1 and so formed around the light emitting unit of the heater as to have a space for heating gas and an exhaust port 4. Black painting 5 can be provided as a secondary heat source.
Patent JP-H1038984-A (JP)
Title: Method and apparatus for detecting failure site
Inventor: SASAKI KEIICHI
IPC: H01L21/66
Filed: 1996-07-19
Abstract: PROBLEM TO BE SOLVED: To provide a method and an apparatus for enabling a failure site to be detected without contact and with high resolution and high sensitivity without professional knowledge on design which can be applied to a wide range of electronic circuit devices of interest. SOLUTION: A magnet 11 for applying a magnetic field to an electronic circuit device 10 to be inspected which is in operation is provided. The magnet 11 is scanned by a scanning means 12 along a surface of the circuit device 10. Reaction force functioning to the magnet 11 when the magnetic field is applied by the scanning means 12 is detected as an electric signal by a reaction detection means 13. The electric signal detected by the means 13 is analyzed by an analyzing means 17 to express it in numeral. Reaction force data expressed in numeral is compared by a comparison means 17 with reaction force data corresponding to normal operation of the electronic circuit device 10 stored in a database in advance, thereby detecting a failure site.
Patent JP-S5892879-A (JP)
Title: Target searching device
Inventor: TADA TOMOHIKO
IPC: G01S13/86
Filed: 1981-11-27
Abstract: PURPOSE:To search and detect a target, by operating a transmitter during a prescribed time by the transmission control signal from a video target storage circuit to transmit a radio wave from an antenna and comparing a forecasted target position, which is derived from the received signal obtained from a target, with the signal stored in the storage circuit. CONSTITUTION:First, an antenna 1 and a TV image pickup machine 2 are turned in the state where a transmitter 8 is not operated; and when a target appears, the transmitter 8 is operated only to the azimuth angle, where the target exists, by the radar transmission control signal from a video target storage circuit 6, and the radio wave is radiated from the antenna 1 to the target. The transmission is performed twice at least for this target, and a target position signal is received to obtain a distance and speed components of the azimuth angle, and a target position is forecasted by calculation. Hereafter, the transmission of the transmitter 8 is stopped, and the target position is forecasted by calculation in a target position forecasting circuit 12, and the target position is displayed on a display 13.
Patent JP-H0354567-A (JP)
Title: Film type resist and formation of resist
Inventor: SUGANO NOBUMORI
IPC: H05K3/18
Filed: 1989-07-21
Abstract: PURPOSE:To eliminate the need for an original film for formation of patterns and to eliminate the need for a washing process by providing a resist layer and a hot melt layer on a base and further providing a base on the hot melt layer at need. CONSTITUTION:This resist is formed by successively laminating the resist layer consisting of a UV curing type resist or the like and the hot melt layer essentially consisting of a low melting compd. on the base (A) consisting of a polyester film or the like and laminating the base (B) on the hot melt layer as well at need. For example, this resist is mounted on a thermal printer and is printed with desired circuit patterns. The base A is then peeled and the circuit patterns are formed on the base B. The base B is then superposed on a printed circuit board in such a manner that the patterns face each other. After the circuit board and the base are brought into thermal contact with each other, the base is irradiated with UV rays to cure the pattern parts; thereafter, the base B is stripped. The circuit patterns are thus formed on the circuit board.
Patent JP-H0937815-A (JP)
Title: Engaging element and packaging bag with engaging element
Inventor: TANAKA KENICHI
IPC: B65D30/02
Filed: 1995-07-26
Abstract: PROBLEM TO BE SOLVED: To provide engaging elements which are well fusible to polyester sealant layers of a bag body and have excellent reopening and crushing properties and a packaging bag with these engaging elements. SOLUTION: The male member 12 of the engaging elements 11 consists of a band-shaped base part 15, a head part 16 and a connecting part 17 for connecting the both parts 15, 16. The band-shaped base part 15 and the connecting part 17 are joined via an adhesive resin layer 31. A female member 13 consists of a band-shaped base part 18 and a first and a second hook parts 19, 21. The band-shaped base part 18 and these hook parts 19, 21 are joined via an adhesive resin layer 32. The band-shaped base parts 15, 18 consist of PBT(polybutyrene terephthalate) or a copolymer or mixture composed of the PBT and polyether. The parts 16, 17, 19, 21 exclusive of the band-shaped base parts consist of polyethylene having a modulus of elasticity in bending of 50 to 500MPa.
Patent JP-H04234394-A (JP)
Title: Process for producing 1-oxa-3,8-diaza-4- oxospiro(4.5)decane compound
Inventor: GEORUKU SHIYUMAIRUTSURU
IPC: C07D498/10
Filed: 1991-07-30
Abstract: The invention relates to an environment-friendly process for the preparation of compounds of the following formula <IMAGE> in which R<1> and R<2> are preferably H or alkyl, R<3> and R<4> are preferably alkyl or cycloalkyl, R<5> and R<6> are preferably hydrogen or methyl, and R<7> is, in particular, alkyl. In this process, the additional use of a phase transfer catalyst can be dispensed with without suffering yield losses.
Patent JP-S6168505-A (JP)
Title: Stroke measuring apparatus
Inventor: IWAMOTO KATSUJI
IPC: G01B11/02
Filed: 1984-09-11
Abstract: PURPOSE:To achieve a stroke measurement at a high accuracy without interference by an electromagnetic induction, by attaching a slender wedge-shaped mark to an object to be measured to measure a reflected light of laser light after projected to the surface o the mark. CONSTITUTION:A mark 10 whose surface offers a reflecting one with a slender- wedge-shaped cross-section is applied on an object to be measured in the direc tion of motion thereof. Facing the reflecting surface of the mark 10, a light source optical fiber 12 and a light receiving optical fiber 13 are arranged in a pair facing each other and a laser light is irradiated to the mark 10 through the light source optical fiber 12 from a laser light source 11. Then, the reflected light is introduced to a photosensitive element 14 through the light receiving optical fiber 13 and an output signal thereof 14 is processed with an output adjuster 15 to measure the stroke of the object being measured. This provides an analog type measurement to obtain the measuring accuracy of several 10mum.
Patent JP-H0740835-A (JP)
Title: Digital transmission type automatic train control device
Inventor: YAMAMOTO MASANORI
IPC: B61L3/12
Filed: 1993-07-30
Abstract: PURPOSE:To control deceleration through using a brake pattern prepared for only at a correct time by making constitution wherein a train can be deceleration-controlled according to a brake pattern prepared when the comparison result of distance-relation information is comformed in a preset error range. CONSTITUTION:Block section numeral information and that transmitted from the ground judged as correct by the information checking part 22A of an ATC receiver 22 are compared in a comparison part 24C. When a brake pattern prepared by the conformation of information is judged to be correct, deceleration control according to this brake pattern by a brake control part 24D is executed. That is, a brake device 27 is controlled so that an actual train speed can be conformed to the brake pattern to feedback-control a train speed, while observing the actual speed of a train by a tacho-generator 26.
Patent JP-H0855177-A (JP)
Title: Information reader
Inventor: ASAI MASUO
IPC: G06K7/10
Filed: 1994-08-12
Abstract: PURPOSE:To provide an information reader which can read both an optical information source utilizing visible light and an optical information source utilizing invisible light. CONSTITUTION:This information reader is provided with an infrared-ray transmission filter 10 detachably halfway in an optical path which guides light excited from a normal type bar coded 2 in black-and-white print or invisible stealth type bar code 3 to an image senior 30. To read information out of the normal type bar code 2, the filter 10 is detached and the reflected light of the visible light is guided to the image sensor 30. To read information out of the stealth type bar code 3, the filter 10 is fitted to cut off the visible light and only infrared rays are guided to the image sensor 30. Consequently, the single information reader can read the information out of the optical information source which of the visible light and invisible light the optical information source reflects or excites.
Patent JP-H0356123-A (JP)
Title: Removal of mercury and nox in gas
Inventor: OGAKI YOJI
IPC: B01D53/77
Filed: 1989-07-25
Abstract: PURPOSE:To remove NOx and mercury in gas and to prevent environmental pollution by bringing gas containing mercury and NOx into contact with a hypochlorite-containing washing solution and further bringing said gas into contact with a washing solution to which a reducing agent reactive with chlorine is added. CONSTITUTION:Gas containing mercury and NOx is brought into contact with a washing solution containing hypochlorite (e.g., NaClO) in the first and second towers 20, 40 and mercury and NOx are absorbed by said washing solution. Subsequently, the above-mentioned gas is brought into contact with a washing solution which a reducing agent (e.g., Na2SO3) reactive with chlorine is added in the third tower 60 to remove chlorine in said gas. As a result, NOx and mercury contained in gas such as combustion exhaust gas are certainly removed and chlorine contained in the treated gas is absorbed to be prevented from the discharge to the atomosphere and environmental pollution can be prevented.
Patent JP-H0940656-A (JP)
Title: Separation of optically active isomer of oxaziridine
Inventor: TODA FUMIO
IPC: C07D317/20
Filed: 1995-07-26
Abstract: PROBLEM TO BE SOLVED: To obtain an optically active isomer having a high optical purity in a large amount and at a low cost from the racemate of an oxaziridine which is useful as an intermediate raw material for synthesizing various fine chemicals but relatively unstable in the atmosphere. SOLUTION: A method for separating the optically active isomer of an oxaziridine comprises mixing the racemate of the oxaziridine such as a compound of formula I (Ar is phenyl, etc.,) with a host compound comprising an optically active tartaric acid derivative of formula II or III (Ar' is phenyl, etc.; n is 4, 5) and subsequently separating the optically active oxaziridine from the formed clathrate compound of the optically active oxaziridine with the optically active host compound.
Patent JP-H0356186-A (JP)
Title: Apparatus for removing dissolved carbon dioxide in liquid
Inventor: TAMURA MAKIO
IPC: B01D19/00
Filed: 1989-07-25
Abstract: PURPOSE:To efficiently remove carbon dioxide in desalted water at low cost by performing gas-liquid contact in a treatment tank using modified air obtained by separating and removing carbon dioxide in air by a gas separation membrane apparatus. CONSTITUTION:A gas separation membrane apparatus 6 using a membrane having a property permitting carbon dioxide to more selectively transmit as compared with oxygen or nitrogen in air is provided in the pipeline of an air feed pipe and carbon dioxide in air is separated and removed by said apparatus 6 and the modified air low in carbon dioxide concn. obtained on the non- transmission side of the apparatus 6 is supplied to a treatment tank 1 through a dust removing filter 9. The modified air is subjected to the countercurrent contact with the liquid to be treated such as desalted water supplied from a supply pipe 4 in the packed tower 2 of the treatment tank 1 but, since the concn. of carbon dioxide is low, the concn. of carbon dioxide in the liquid to be treated can be markedly lowered as compared with a conventional method. The treated liquid after the completion of carbon dioxide removing treatment is sent to the treatment apparatus of the next stage from a storage tank 3 through a discharge pipe 10.
Patent JP-2000049705-A (JP)
Title: Pseudo distribution amplification inside soliton signal optical fiber transmission system
Inventor: DESURVIRE EMMANUEL
IPC: H04B10/2507
Filed: 1999-07-05
Abstract: PROBLEM TO BE SOLVED: To provide a inter-soliton signal optical fiber transmission system capable of solving the problem of the asymmetry of collisions between solitons. SOLUTION: In a soliton signal wavelength division multiplex system optical fiber transmission system for reducing the effects of the jitters of the collision to a soliton channel, pseudo distribution amplification is performed in which discrete amplification and distribution amplification are combined. Thus, inside a repeater 5i, a lightly doped line fiber and the discrete amplification by an EDFA 16 are combined. Advantageously, a redundant pumping means in common with the discrete amplification and the distribution amplification is used, and the gain for the discrete amplification is controlled automatically.