baber/WOPTO huggingface dataset:
Patent JP-H06164555-A (JP)
Title: Frequency diversity communication device
Inventor: SATOU KIMIATSU
IPC: H04B7/12
Filed: 1992-11-20
Abstract: PURPOSE:To simplify circuit constitution by setting the local oscillation frequency of a reception system to (f1+f2)/2 as against transmission frequencies f1 and f2 and executing communication when a data string is reproduced at least for more than once from the output of a demodulator. CONSTITUTION:A transmission system is exclusively turned on/off a by a control signal at every data string. When they are turned on, they are modulated by the same base band signal D and they transmit frequencies f1 and f2. The local oscillator of the reception system 20 oscillates the signal of a frequency (f1+f2)/2, and a mixer 24 generates an intermediate frequency (f1-f2)/2 for the two reception frequencies f1 and f2,. Then, a demodulator 28 detects them through BPF 25 and an IF amplifier part 27. LPF 29 removes high frequency noise whose frequency is more than that of the signal D. Thus, circuit constitution can be simplified since two frequency signals which are alternately transmitted without changing the local oscillation frequency, and data can be demodulated from the frequency signal which is not interrupted and interfered.
Patent JP-H08170516-A (JP)
Title: Muffler
Inventor: IWATA MOTOMU
IPC: F01N1/02
Filed: 1994-12-15
Abstract: PURPOSE: To eliminate noise effectively with a simple structure in a position where air ventilation is necessary by providing an expansion chamber in the intermediate part of a straight cylindrical shaped air passage whose both ends are opened so as to form expansion type mufflers, and arranging a plurality of expansion type mufflers in parallel in a plate shaped body. CONSTITUTION: In a muffler S1 which is arranged on the engine room opening part of a vehicle and used for ventilating air and eliminating noise suitably, a plurality of expansion type mufflers 1 are provided in parallel at right angles in a plate shaped body 4. Each expansion type muffler 1 is formed by providing an expansion chamber 3 on the intermediate part of a straight pipe 2 whose both ends are opened, and also the cross sectional area of the expansion chamber 3 is formed larger than that of the straight pipe 2 so as to communicate the expansion chamber 3 with the straight pipe 2. When noise incident to the inlet of the straight pipe 2 is entered in the expansion chamber 3 in the such constituted expansion type muffler 1, energy of noise is enlarged so as to thin energy of noise per area, and then inner reflection is repeated so as to eliminate noise.  It is thus possible to eliminate noise effectively.
Patent JP-H09153528-A (JP)
Title: Probe card device
Inventor: HAGIWARA JUNICHI
IPC: G01R31/26
Filed: 1995-11-30
Abstract: PROBLEM TO BE SOLVED: To ensure contact of all contact bumps with electrode pads by making a cut in the surface of an elastic sheet facing the rear side of a probe card thereby forming sectioned press areas corresponding to the contact bump group of probe card. SOLUTION: A mechanism 14 for pressing the rear side of a probe card 15 toward an object to be inspected comprises a retaining member 35 provided on rear side of probe card 15, an elastic sheet provided for the retaining member 35 while facing the rear side of probe card 15, and independent press areas 39 corresponding to a contact bump group 15a sectioned by making cuts 38 in the surface of elastic sheet. When the contact bump group 15a is brought into contact with the electrode pads 52 of a semiconductor chip 51, a press area 39 composed of an elastomer 37 urges the entire surface of contact bump group 15a elastically and the probe card 15 imparts a pressing force while following up the surface profile of a semiconductor wafer 50.
Patent JP-H10151329-A (JP)
Title: Porous body and its production
Inventor: OSHIMA HITOHIDE
IPC: B01D71/02
Filed: 1996-11-22
Abstract: PROBLEM TO BE SOLVED: To provide an optimum pore diameter characteristic as the inorg. separation membrane capable of efficiently separating a specified component from a mixed fluid such as a mixture of the gases slightly different in mol.wt. from each other under the control of surface diffusion or by the molecular sieving due to the difference in molecular sizes. SOLUTION: The soln. prepared by compositing silicon alkoxide and one kind among the alkoxides of aluminum, zirconium and titanium in an alcoholic soln. is hydrolyzed with 100mols of water per mol of the silicon alkoxide kept at <=80 deg.C in this method. The composite soln. thus prepared is dried and then calcined at 400-700 deg.C.
Patent JP-H05148694-A (JP)
Title: Electroplating device for printed wiring board
Inventor: NAGARESHITA KATSUMI
IPC: C25D17/10
Filed: 1991-11-27
Abstract: PURPOSE:To easily form a plating layer uniform in thickness on the principal plane of a printed wiring board, etc. CONSTITUTION:This device is provided with a plating tank 1, an anode 5 arranged in the tank 1, a support 4 (plating jig) for dipping a printed wiring board 2 opposed to the anode 5 in a plating soln. in the tank 1, a shielding unit 9 having plural openings 8 on the side confronted with the board 2 and surrounding the anode 5, means 10 and 12 for reciprocating the unit 9 almost in parallel with the board 2 and an electric circuit 14 for supplying a requiste plating current to the board 2.
Patent JP-S63284290-A (JP)
Title: Phosphor for color television
Inventor: SUMOTO HIROSHI
IPC: C09K11/08
Filed: 1986-12-24
Abstract: PURPOSE:To provide the title phosphor which is capable of limiting color mixing and exhibits improved dispersion properties in a phosphor slurry in coating film formation and which comprises a particulate phosphor and fine particles bonded to the surface thereof with an org. binder contg. casein. CONSTITUTION:A phosphor for color television comprising a particulate phosphor (e.g., a particulate rare earth phosphor composed of a base material of at least one member selected from Y2O3, Gd2O2, Y2O2S, etc. and an activator of at least one member selected from Eu, Tb, Sm, Pr, etc.) and fine particles bonded to the surface thereof (e.g., at least one member selected from SiO2, Al2O3, ZnO, TiO2, a green pigment, a blue pigment, a black pigment and a yellow pigment), said bonding of fine particles being performed with an org. binder contg. casein. By the use of the phosphor, color mixing can be limited when a phosphor coating film is formed on a color television face plate, and the dispersion in a phosphor slurry can be improved which a coating film is formed.
Patent JP-H04183772-A (JP)
Title: Cationic gel base
Inventor: UCHIYAMA YUUJIROU
IPC: C09K3/00
Filed: 1990-11-17
Abstract: PURPOSE:To provide the subject gel base composed of a specific (meth)acrylic acid ester, a specific vinyl monomer and a crosslinkable polyvinyl compound and suitable for hair-cosmetic, aromatic, etc. CONSTITUTION:The objective get base is composed of (A) a (meth)acrylic acid ester of formula I (R<1> is H or methyl; R<2> and R<3> are methyl or ethyl; A is 1-4C alkylene) [e.g. N,N-dimethylaminoethyl (meth)acrylate], (B) a vinyl monomer of formula II (m is 3 or 4) (e.g. N-vinylpiperidone) and (C) a crosslinkable polyvinyl compound (e.g. ethylene glycol diacrylate).
Patent JP-H04184529-A (JP)
Title: Information processing system
Inventor: MAMIYA SATORU
IPC: G06F3/0481
Filed: 1990-11-20
Abstract: PURPOSE:To sensibly inform a user of the size of a selected object by outputting a sound output corresponding to the size of the selected object indicated at the time of icon indication. CONSTITUTION:When an arbitrary icon displayed on a CRT display 3 is indicated by means of a pointing device 4, a CPU 1 controls the sound output to a loudspeaker 5 on the basis of the sound data stored in and read out from a memory 2 and sensibly informs the size which is the subject of the icon. At the time of informing the size, the sound data are auditorily set at double low-pitched sounds of low frequencies against human beings when, for example, the object to be operated is large and a light sound of a low frequency when the object is small. Therefore, the object can be auditorily informed to users from the size of the object indicated by an icon and the size of an intuitively selected object can be surely recognized.
Patent JP-H04185089-A (JP)
Title: Scramble information management system for toll satellite television service
Inventor: KATORI HAJIME
IPC: G06F21/10
Filed: 1990-11-20
Abstract: PURPOSE:To simplify registration and correction processing by managing each customer, charge, scramble information with an encoder and with another machine. CONSTITUTION:A data management machine 1 is inputted from a terminal 5, and stores the required information in a customer information file 7 and charge information file 8 via a registration/correction processing means 6. In a scramble information preparation processing means 9, the scramble information is obtained from the files 7 and 8, converted into a bit image, and stored in a scramble information file 10. The scramble information is automatically prepared in the registration/correction processing means 6. A scramble information transmission processing means 11 registers the information from the file 10 in an encoder 2 or transmits the information to other part via on-line on demand. The data management machine 1 holds the scramble information even at the time of the fault of the encoder 2, and the recovery of the information can be performed by retransmission.
Patent JP-H02159528-A (JP)
Title: Two-stage type spectroscope
Inventor: IWASAKI TAKASHI
IPC: G01J3/12
Filed: 1988-12-12
Abstract: PURPOSE:To enable prevention of a change in efficiency depending on condition of polarization of incident light with a correction of polarization characteristic by replacing a component P of an output of a first spectroscope with a component S thereof to be inputted into a second spectroscope. CONSTITUTION:A first spectroscope 2 is arranged on a plane and when light of a light source 1 is analyzed to be applied to a 1/2 wavelength plate 4, the 1/2 wavelength plate 4 turns the direction of a component x and component y of a polarization component of an output of the spectroscope 2 by 90 deg. so that the components x and y are given a phase difference of 180 deg. to be inputted into a second spectroscope 3. Here, as the spectroscopes 3 and 2 have a diffraction grating 33 equal in polarization characteristic, the polarization characteristic is corrected. Thus, angles of diffraction gratings 23 and 24 are so set that wavelengths passing through slits 25 and 35 are equal to pick up light only with a specified wavelength at a slit 35 out of light of the light source 1 thereby enabling the keeping of a permeability regardless of the current state of polarization.
Patent JP-2000152613-A (JP)
Title: Switching regulator
Inventor: KAMATA HISAHIRO
IPC: H02M3/28
Filed: 1998-11-04
Abstract: PROBLEM TO BE SOLVED: To reduce the influence of distributed capacitances produced by the attachment of the switching device in a switching regulator whose radiating plate is grounded thus reducing noise stably. SOLUTION: An AC voltage from an AC power supply 1 is inputted to a diode bridge 3 through a noise filter 2 and converted into a DC voltage. The DC voltage is inputted to a DC-DC converter 5 through an active filter 4 and outputted to the outside after DC-DC conversion. Switching devices Q1 and Q2 are attached to a radiating plate with an insulating sheet therebetween. Capacitors Ca1 and Cb2 are connected in series to distributed capacitances Ca and Cb between the switching devices Q1 and Q2 and the radiation plate and are connected to a ground FG2.
Patent JP-H03176824-A (JP)
Title: Optical recorder
Inventor: YONEZAWA SEIJI
IPC: G11B7/09
Filed: 1989-12-04
Abstract: PURPOSE: To precisely record and to reproduce data by tracking the center of a track by a light spot by compensating for the tracking signals based on the error signals which are obtained by synchronously detecting the signals corresponding to the reflection light beams from a recording medium using the tracking signal as a reference synchronizing signal. CONSTITUTION: The light spot by a tracking actuator 26 is scanned in the slanted direction across the track. One of the divided lines of the reflected light beams from a recording medium is received by a quadripartite detector 17 which is arranged in approximately parallel to the track. The output signals of the detector 17 are arithmetically processed so that the tracking offset, which is caused by the movement of the luminous flux on the detector 17 due to the movement of the actuator 26, is reduced. Moreover, a push-pull tracking signal 19 is compensated for based on the error signals obtained by synchronously detecting the signals corresponding to the reflection light beams from the recording medium as a reference synchronizing signal. Thus, the light spot precisely tracks the center of the track and a data recording and a reproducing are conducted.
Patent JP-H11150516-A (JP)
Title: Wavelength number detection device and light amplifier device
Inventor: MIYATA HIDEYUKI
IPC: H04B10/564
Filed: 1997-11-14
Abstract: PROBLEM TO BE SOLVED: To simplify the constitution of hardware and to improve responsiveness by obtaining the number of wavelengths based on a mathematical relation between the level of a WDM(wavelength division multiplex) signal and a difference. SOLUTION: A level measuring means 11 measures the WDM signal level Lt obtained by wavelength-dividing/multiplexing plural (n) light signals whose nominal values A<2> of levels are equal and wavelengths differ. An interference light generation means 12 optically synthesizes reference light constituted of the sum of components whose nominal values of the levels are B<2> with the WDM signal by two phases detached by odd times as much as π radian. Then, two interference light beams are generated. A differential level measuring means 13 measures the difference Ld of the levels of the components distributed near the wavelength of the plural light signals in a wavelength area among the components of interference light.  An operation means 14 calculates the number (n) of the wavelengths, which becomes the value obtained by measuring the level Lt of the WDM signal and the difference La by the level measuring means 11 and the interference light generation means 12 under a condition that either the nominal value A<2> or the nominal value B<2> is known.
Patent JP-H07196080-A (JP)
Title: Levitation raft device of expansion type and its assembly method
Inventor: SUTANREE SUUITORIKU
IPC: B63B35/613
Filed: 1994-12-16
Abstract: PURPOSE: To provide an inflatable flotation raft apparatus capable of inflating a plurality of flotation panels and other portions at the same time and a method for manufacturing such a flotation raft apparatus. CONSTITUTION: This raft apparatus has inflation floatation structures 16, 28 capable of heat sealing for manufacture thereof. One or more flexible buffer members 38, 39 not heat sealable are formed to shield portions of the panel members of the raft apparatus from heat sealing to surrounding areas to thereby form an effective seal particularly by allowing heat sealing operations to be formed upon already assembled sections. At least one of the two panel members is inflatable and the buffer member is positioned in the panel member. The buffer member is provided to shield a heat sealing point from the remaining portion of the inflatable structure member to prevent undesired heat sealing during heat sealing for interconnecting the two main panel members.
Patent JP-H11149870-A (JP)
Title: Testing method of plasma display panel
Inventor: OTA YASUHIRO
IPC: H01J11/26
Filed: 1997-11-14
Abstract: PROBLEM TO BE SOLVED: To easily evaluate the life of a plasma display as a single body by measuring aging deterioration of luminance for white (W) as well as red (R), green (G), and blue (B) using a simple testing device to display all white only. SOLUTION: A drive pulse is applied to all X-sustaining electrode and all Y-sustaining electrodes of a plasma display to display all white only, a number of cycles and a voltage value of the drive pulse voltage are height than those used as a product plasma display to keep displaying the all white only. Thereby, the characteristic deterioration of the plasma display proceeds rapidly. For each fixed time interval is passed, a light-emitting strength at a designated wave length corresponding to red (R), green (G), and blue (B) is measured in the all white only displayed state, using a spectroscope. Based on the measured light-emitting intensity, the luminance deterioration characteristics of red (R), green (G), and blue (B) are evaluated. These designated wave lengths are set at a wavelength with a small a overlap of color components.
Patent JP-H01155765-A (JP)
Title: Picture reader
Inventor: OTSUKI SHINICHIRO
IPC: H04N1/00
Filed: 1987-12-11
Abstract: PURPOSE:To attain miniaturization of the entire reader by arranging at least two paper position sensors in time series with respect to the paper flow path along with the paper passing face from a separator to a read section. CONSTITUTION:Let a distance between position sensors 1a and 1b be l1 and a distance between the position sensor 1b and a read point 31 of a read device 3 of a read section B be l2, then when a time of an original from the detection by the position sensor 1a till the detection at the sensor 1b is t1 sec, a required time t2 from the sensor 1b to the read point is expressed as t2=(l2/l1)Xt1. Thus, the time of the start point of effective information reaching the read point 31 is predicted with high accuracy. Thus, no constant speed carrier roller is required and the entire device is miniaturized.
Patent JP-2001134132-A (JP)
Title: Method for controlling temperature in belt fixing device and image forming device
Inventor: IKUMA TAKESHI
IPC: G03G15/20
Filed: 1999-11-04
Abstract: PROBLEM TO BE SOLVED: To prevent the deterioration and the creeping of a fixing belt by preventing unnecessitated heating of the belt after driving the belt is stopped. SOLUTION: The temperature of a heating roller 140 is controlled to be the stand-by temperature based on the temperature of the heating roller or a fixing belt 110 on the heating roller in the case of stand-by when the fixing belt is not driven by circulation. The temperature of the heating roller is controlled to permit the fixing belt of a back-up roller 130 to have a proper fixing temperature based on the temperature of the fixing belt on the roller 130 in the case of driving when the fixing belt is driven by circulation. The stand-by temperature is set to be lower than the proper fixing temperature.
Patent JP-2000234948-A (JP)
Title: Driving method of electronic metering system and metering system
Inventor: JANSEN DIRK
IPC: B01L3/02
Filed: 1999-11-04
Abstract: PROBLEM TO BE SOLVED: To improve the modification property of software by writing an operation parameter, operation procedures, and a program into a read/write memory, and/or by reading them from the memory. SOLUTION: For example, an electronic pipet device that is an electronic metering system is equipped with a driving means 1, a substitution means 2 being connected to a pipet chip 14, and an electronic control and/or adjustment means 3 with a microcontroller 15. In the microcontroller 15, for example, a flush memory that is a non-volatile memory is provided. In the memory, a device type or a parameter that is peculiar to the device, a user parameter, a routine for executing operation procedures, a program, and/or at least a program part are stored while they can be read and written. Access to the memory from an external computer can be made, thus allowing remote control by cord connection, radio, or the like.
Patent JP-H02160734-A (JP)
Title: Production of alcohols
Inventor: MUKOYAMA MITSUAKI
IPC: C07C31/13
Filed: 1988-12-13
Abstract: PURPOSE:To obtain the objective secondary alcohol in high yield while suppressing the deterioration of catalyst by oxidizing olefins with oxygen in the presence of a cobalt complex catalyst while removing water produced by the reaction. CONSTITUTION:A compound of formula I (R<1>-R<4> are alkyl, aryl or arylalkyl or R<1> is cycloalkyl and R<2>-R<4> are H; R<1>-R<4> may have substituents) is made to react in the presence of a secondary alcohol and a catalyst expressed by formula II (R<5>, R<7>, R<8> and R<10> are H, 1-10C alkyl, aryl having substituent such as lower alkyl, lower alkoxymethyl, CF3, etc.; R<6> and R<9> are H, lower alkyl, halogen, etc.; excluding the case that R<5>=R<7>=R<8>=R<10>=CF3 and R<6>=R<9>=H) while removing gas generated by the reaction. The objective compound of formula III (one of R<15> and R<16> is OH and the other is H) can be produced from the above raw material in high conversion while suppressing the deterioration of the catalyst.
Patent JP-H04185893-A (JP)
Title: Center bent angle detector of shield excavator
Inventor: MORITA MICHIAKI
IPC: G01B21/22
Filed: 1990-11-21
Abstract: PURPOSE:To increase the degree of accuracy of detection by providing stroke detectors detecting the distance between the front and rear shields to right and left symmetrical positions of sections of the shields, and calculating right and left center bent angles based on the difference between detection amounts of both detectors to display it on a displayer. CONSTITUTION:When right and left center bendings are produced between the front shield and the rear shield 2, for example, a center-bent jack 19R is extended, and a center-bent jack 19L is reduced. After that, the front shield is rotated to the left side at a glance from the rear shield 2 with an upper side pin 3 and a lower side pin 4 as the centers. Then, right and left center-bent angles are calculated with an operator based on the difference between detection amounts of right and left stroke detectors 9L and 9R, and it is displayed on a displayer.
Patent JP-H02159046-A (JP)
Title: Flexible die collet
Inventor: NAKATANI YOSHIMITSU
IPC: H01L21/52
Filed: 1988-12-13
Abstract: PURPOSE:To enable dies of various sizes to be bonded without making a head to be extremely difficult by setting a vacuum collet to the center and providing a gauge nib which can be opened and closed by automatic adjustment around it. CONSTITUTION:The main unit of a head 11 moves to a position where a die is located, a vacuum collet 1 is lowered by a solenoid 13, and then a die 15 is absorbed and supported, Then, a vacuum collet i2 is lifted and the die is stored within a gauge nib 16 which is fully open. In this state, the main unit of the head 11 moves above a lead frame 31 and them is lowered to a specified position. Then, the die 15 is released from the vacuum collet 12 and is placed at the lead frame 31 where a solder 32 is placed. After this, a pulse motor 18 is driven and the revolution angle of a cam 17 is varied by the amount matched to the size of the die. Thus, the gauge nib 16 closes, lightly gripping the die 15. Then, scrubbing is made for improving wettability as needed for completing a series of desired operations.
Patent JP-H0533091-A (JP)
Title: Nickel-base heat resistant alloy
Inventor: SENBA MITSUYUKI
IPC: C22C19/05
Filed: 1991-11-28
Abstract: PURPOSE:To obtain an Ni-base heat resistant alloy having excellent high temp. strength and high corrosion resistance and usable as a high temp. strength member. CONSTITUTION:This is an Ni-base heat resistant alloy contg. <=0.10% C, <=1.0% Si, <=0.2% Mn, <=5% Cr and 5.5 to 13% Al, furthermore contg. one or more kinds among 0.001 to 0.03% B, 0.01 to 0.3% Zr, 0.05 to 1.0% Hf, 0.05 to 1.0% Ti and 0.001 to O.O2S Mg and the balance Ni or Ni and <=5% Fe with inevitable impurities. In addition to the above components, furthermore, one or more kinds of elements selected from the group of 0.5 to 5% Mo and 1.0 to 10% W and the group of 0.3 to 3% V, 0.5 to 5% Nb and 1.0 to 10% Ta can be incorporated. In addition to the above components, moreover, one or more kinds among 0.01 to 0.25% Y, 0.01 to 0.25% La and 0.01 to 0.25% Ce can be incorporated.