baber/WOPTO huggingface dataset:
Patent JP-H11345775-A (JP)
Title: Epitaxial wafer for field effect transistor and its manufacture
Inventor: WADA JIRO
IPC: H01L29/812
Filed: 1998-06-03
Abstract: PROBLEM TO BE SOLVED: To provide an epitaxial wafer for a field effect transistor, for reducing a leakage current between a source electrode and a drain electrode and a method for manufacturing the wafer. SOLUTION: In the epitaxial wafer for a field effect transistor comprising a buffer layer 2, an active layer 3, and an ohmic contact layer 4 are sequentially laminated on a semi-insulating GaAs substrate 1, and an insulating epitaxial layer 5 is interposed between the substrate 1 and the layer 2. Its insulation is achieved by adding moisture when the layer 5 is grown, and lowering a carrier concentration.
Patent JP-H0446888-A (JP)
Title: Simple helmet for diving
Inventor: KABURAGI MASAHIKO
IPC: B63C11/06
Filed: 1990-06-14
Abstract: PURPOSE:To suppress the generation of discharge noise and prevent the cloudiness of a window by forming an air feeding intermediate chamber which communicates to an air feeding pipe in the thick part at the rear part of a helmet, forming a plurality of air feeding holes which communicate to the inside of the helmet, in the intermediate chamber, leading the air feeding holes to the part slightly before the window on the front surface at a head shell part, and opening the air feeding holes forwardly. CONSTITUTION:An air feeding intermediate chamber 9 which communicates to an air feeding pipe 8 and an air discharge intermediate chamber 10 are installed at the back contact part 5 in the lower part of the rear surface of a helmet 1. An air feeding hole 15 which is opened forwardly, leading to the part slightly before the window 7 on the front surface, i.e., to the vicinity of the mouth of a user through the inside of the thick part of a shoulder contact part 3 from the left and right side walls 9b of the air feeding intermediate chamber 9. Further, the air feeding intermediate chamber 9 can be constituted separately from a body, and an air feeding pipe 19 having a necessary length is connected to the side wall 16c of a box body 16 in which an air feeding intermediate chamber 9 having a necessary capacity is formed inside, and the top edge 19a is embedded so as to be set slightly before the window 7.
Patent JP-H11355837-A (JP)
Title: Digital cordless telephone system
Inventor: FUKUDA YUJI
IPC: H04W92/20
Filed: 1998-06-03
Abstract: PROBLEM TO BE SOLVED: To effectively utilize a radio resource by synchronizing radio blocks among pluralities of PHS base station devices thereby avoiding interference. SOLUTION: This system consists of a master PHS base station device 1, that generates a synchronizing signal and sends a control channel and two slave PHS base station devices 2, 3 that receive the synchronizing signal and are operated in accordance with the instruction of the master PHS base station device 1, and the master PHS base station device 1 collectively manages communication channels. The master PHS base station device 1 is connected to two sets of the slave PHS base station devices 2, 3 via a synchronizing signal transmission interface SYNC and a data communication interface DATA.
Patent JP-S5486791-A (JP)
Title: Method of removing moisture-proof mixture from wavy tube
Inventor: SATOU SHICHIO
IPC: H02G1/14
Filed: 1977-12-21
Abstract: PURPOSE: To improve the working efficiency of removing moisture-proof mixture from a wavy tube by simple method by injecting hot air to the tube to concentrate the mixture filled in the valleys of the tube and wiping off the mixture.  
     CONSTITUTION: Hot air 6 is injected onto the wavy tube 1 to collect the moisture- proof mixture 3 filled in the valleys 2 of the tube 1 and to then wipe off the mixture 3 therefrom. When connecting the wavy tube 1 filled with the mixture 3 in the valleys 2 and attached with plastic sheath 4 such as polyethylene or the like to the outer periphery, hot air 6 is injected to the portion separated with the sheath 4 from the tube 1 using a hot jet gun 5 to gather the mixture 3 filled in the valleys 2 downwardly and to then wipe off the mixture 3 with cloth or the like so as to thus remove the mixture 3. Thus, it can improve the working efficiency of removing the mixture 3 by simple method. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H05317601-A (JP)
Title: Boiling pole
Inventor: OYAMA TOSHIKAZU
IPC: B01B1/06
Filed: 1992-05-22
Abstract: PURPOSE:To provide the boiling pole which prevents bumping of liquid at the time of heating, accelerates the evaporation of a solvent and prevents its front end from breaking in spite of contact. CONSTITUTION:This boiling pole is constituted by forming at least its front end 1 of a fluororesin 2, more preferably tetrafluoroethylene resin. The members exclusive of the front end are preferably formed of glass and further, the front end member and the members exclusive of the font end are connected by, for example, external screw threads 3 and internal screw threads 3.
Patent JP-H05318867-A (JP)
Title: Image recording device and fascimile device using same
Inventor: OOMORI MASATAKE
IPC: B41J17/36
Filed: 1992-05-22
Abstract: PURPOSE:To clarify the scarcity of the remainder of recording agent and surely continue recording. CONSTITUTION:The remainder of recording agent such as toner, ink or the like is detected with the detecting means 2 of the remainder of recording agent and sent to a recording conrolling means 3. The recording controlling means 3 skips dot or line to record and contracts record so as to reduce the usage of the recording agent and, at the same time, clarifies the scarcity of the recording agent in recording medium, onto which image information is recorded.
Patent JP-S5778235-A (JP)
Title: Wireless transmission device
Inventor: GOTOU TOSHIYUKI
IPC: H04B5/00
Filed: 1980-10-31
Abstract: PURPOSE:To cancel the noise and the magnitude and to obtain desired signal components with a simple constitution, by adding or subtracting outputs of amplifiers in accordance with the output of a phase comparator. CONSTITUTION:Coils 3 and 4 for transmission are connected in series between output terminals of an amplifier 2. Coils 5 and 6 for detection are arranged orthogonally to each other, and outputs induced by coils 5 and 6 are sent to amplifiers GX and GY. Noise components in outputs pass through a comparator 11 which compares phases, and outputs of amplifiers 7 and 8 are subtracted in case of the same phase, and they are added in case of phases opposite to each other. Thus, the noise and the magnitude of an output K0 of the system are cancelled even if they are changed, and desired signal components are obtained.
Patent JP-2000349920-A (JP)
Title: Intention transmitter
Inventor: WATANABE TOMIO
IPC: H04M11/00
Filed: 1999-06-01
Abstract: PROBLEM TO BE SOLVED: To obtain an intention transmitter for people, with which smoother and more intimate communication of intention can be attained by utilizing body gesture, on the basis of common share of a conversation rhythm. SOLUTION: This intention transmitter consists of a voice transmission reception section 9, a common use robot 2, a listener control section 4, a talker control section 3. The voice transmission reception section 9 transits/receives a voice signal such as conversation, the common use robot 2 behaves a head nodding, a mouth opening a winding, or a gesture in response to the voice signal, the hearer control section 4 decides the behavior of the common use robot 2 as a listener from the voice signal sent through the transmission reception section 9 to activate the common use robot 2, then the talker control section 3 decides the behavior of the common use robot 2 as a talker from the voice signal received by the transmission reception section 9 to activate the common use robot 2.
Patent JP-S6045957-A (JP)
Title: Production of master for producing information storing medium
Inventor: OOTOMO JIYUNICHI
IPC: G11B7/013
Filed: 1983-08-24
Abstract: PURPOSE:To form precisely the size and height of an information signal pit and an information signal reproducing group by intervening a photoresist separating layer between at least two kinds of photoresist layers applied to the surface of a substrate, and irradiating prescribed laser light. CONSTITUTION:The 1st photoresist layer 12 having low sensitivity to laser light, the photoresist separating layer 13 such as SiO2 and the 2nd photoresist layer 14 having high sensitivity to the laser light are laminated on the glass substrate 11 to form a master material 15. A laser beam 16 having a prescribed diameter and a fixed low intensity and a laser beam 17 having high intensity and modulated by an information signal are simultaneously irradiated to the master material 15 to develope the layer 14 and form the information signal reproducing group 18. The layer 14 is masked, the layer 13 is etched, then the layer 12 is developed to form the information signal pit 19. Consequently, the information signal reproducing group 18 and the information signal pit 19 are formed in the precise size and height.
Patent JP-H11354653-A (JP)
Title: Nonvolatile semiconductor memory and fabrication thereof
Inventor: TANIOKU MASAMI
IPC: H01L27/105
Filed: 1998-06-03
Abstract: PROBLEM TO BE SOLVED: To provide a nonvolatile semiconductor memory in which a silicon substrate can be prevented against contamination, dielectric film is protected against deterioration and generation of leakage current can be prevented. SOLUTION: A memory cell transistor 60a comprises a silicon substrate 1, a floating gate 4a formed on the silicon substrate 1, an interlayer insulating film 13 having contact holes 13a, a lower electrode 6a formed to be connected electrically with the floating gate 4a, a dielectric film 7a formed on the lower electrode 6a, an upper electrode 8a formed on the dielectric film 7a, and a control gate electrode 9a formed on the upper electrode 8a.
Patent JP-S6482161-A (JP)
Title: Digital cross bar switch
Inventor: JIEFURII EI NIIHAUSU
IPC: G06F13/36
Filed: 1988-06-22
Abstract: PURPOSE: To obtain the crossbar switch which selects and transfers data from multiple sources to multiple transfer destinations and can dynamically be programmed by providing a previously selected number of input/output data buses and internal data buses coupled with respective multiplexer logic devices. CONSTITUTION: This switch is equipped with the multiplexer logic devices 14, the (m)-bit internal data buses 20 coupled with them respectively, the (n)-bit input/output data buses 10, an m/n-to-1 multiplexer which couples input terminals with the internal data buses 20 and output terminals to the corresponding input/ output data buses 10 and operates in response to a constitution control signal, and a memory device for the constitution control signal. Consequently, the crossbar switch can be obtained which can transfer data selectively from multiple sources to multiple transfer destinations and can dynamically be reprogrammed.
Patent JP-H0822924-A (JP)
Title: Ignition coil for internal combustion engine
Inventor: CHIBA TOMONARI
IPC: F02P15/00
Filed: 1994-07-06
Abstract: PURPOSE:To facilitate precise alignment with the primary bobbin of the secondary coil. CONSTITUTION:An ignition control circuit 9 driving respective coils 29, 30 are provided in a coil case 2 while small protrusions 4-7 abutting against a cylindrical body 10 installed in upright position in the case 2 and three dimensional inner faces of the same 2 are provided in a peripheral part of the secondary coil bobbin 3. Through these procedures, the secondary coil bobbin 3 can be aligned without fail while allowing the fluidization of a filler.
Patent JP-S6432587-A (JP)
Title: Timing corrector for component television
Inventor: BURUUSU JIEI PENII
IPC: H04N11/24
Filed: 1988-06-22
Abstract: PURPOSE: To correct timing for component TV by finding time differences among the respective component signals of a color TV signal and correcting timing errors between signal processing paths by using the time differences. CONSTITUTION: A luminance component signal Y and color difference component signals B-Y and R-Y are digitized by A/D converters 10, 12, and 14 and supplied to variable delay circuits 20, 22, and 24. A reference timing signal synchronizes a GENLOCK circuit 25 to make a comparison with the signal Y, and a reference delay signal is inputted to the circuit 20. The outputs of edge comparators 16 and 18 are combined by adders 26 and 28 with the reference delay signal and inputted to variable delay circuits 22 and 24. Signals delayed by the circuits 20, 22, and 24 are inputted to D/A converters 30, 43, and 34, which output time- corrected color component signals. Thus, the timing for component TV can be corrected.
Patent JP-S63319187-A (JP)
Title: Thermal transfer ink card
Inventor: WATANABE KENJI
IPC: B41M5/26
Filed: 1987-06-23
Abstract: PURPOSE:To enable simple thermal transfer onto various forms of object surfaces to be transfer recorded, by supporting a thermal transfer ink sheet on one side of a rectangular frame so sized that it can be held by hand. CONSTITUTION:A thermal transfer ink sheet 16 comprising a base film 12 and an ink layer 14 is adhered to one side of a rectangular frame 10 which has flexure resistance and is formed from a paper or a plastic. In use of a thermal transfer ink card 18 with this construction, a thermal transfer device having a thermal head 20 exposed to the exterior is used, and transfer onto the surface of a desired transfer recording paper 22 is conducted. In this case, the ink card 18 is set with the ink layer side in contact with the surface of the transfer recording paper 22, and the thermal head 20 pressed against the base film side of the card 18 is moved, whereby desired thermal transfer data supplied from the thermal heat 20 can be easily transferred onto the surface of the paper 22.
Patent JP-H095918-A (JP)
Title: Silver halide photographic sensitive material
Inventor: NAKAJIMA KAZUHIKO
IPC: G03C1/32
Filed: 1995-06-21
Abstract: PURPOSE: To provide a silver halide photographic sensitive material improved in aggregation and scratching resistances without impairing sharpness and enhanced in retouchability. CONSTITUTION: The silver halide photographic sensitive material has photographic constituent layers on one side of a transparent support, and a layer contains matting grains having a monodispersion degree of <=3.3 on the other side of the support, and the silver halide color photographic sensitive material has photographic constituent layers comprising at least each one of red-, green-, and blue-sensitive layers and nonphotosensitive layer on one side of a transparent support and the uppermost surface layer on the other side contains the matting grains having a monodispersion degree of <=3.3.
Patent JP-S6312280-A (JP)
Title: Reaction carrier for bioreactor
Inventor: HIRASA OKIHIKO
IPC: C12M1/00
Filed: 1986-06-30
Abstract: PURPOSE:To obtain a reaction carrier for the production of immobilized enzyme or microorganism having excellent activity and high reaction rate, by using of a fluid- permeable hollow fiber capable of selectively permeating gas and liquid and coating the outer surface of the hollow fiber with fiber for the immobilization of enzyme or microorganism. CONSTITUTION:A porous ceramic hollow fiber or a hollow fiber having oxygen- enriching function such as polysiloxane fiber is used as a fluid-permeable hollow fiber and the outer surface of the hollow fiber is covered with fibers for the immobilization of enzyme or microorganism, preferably ultrafine fiber of aminoacetalized polyvinyl alcohol having a diameter of preferably 0.05-1mum e.g. by knitting or weaving the immobilization fiber round the hollow fiber in the form of knit strings or winding the immobilization fiber around the hollow fiber. As an alternative method, the hollow fiber and the immobilization fiber are blended and woven to a fabric. When the reaction substrate is a single-component substance, the substrate is introduced into the hollow part of the hollow fiber and when the substrate is two-component substance, a component is introduced into the hollow part and the other component is directly supplied to the fibrous immobilized enzyme or microorganism to enable the efficient conversion of the substrate to a reaction product.
Patent JP-S6047588-A (JP)
Title: Time-division type optical exchange
Inventor: WATABE NAOYA
IPC: H04B10/27
Filed: 1983-08-26
Abstract: PURPOSE:To suppress the number of channels to a rate of linear proportion and increase channels in number easily by coupling (n-1) sets of optical delay elements which delay channel time intervals and optical switches alternately in series, and using the delay circuit to interchange light signals between optional channels. CONSTITUTION:The optical delay elements 62-1-62(n-1) which have a specific delay time and delay time-division multiplex light signals of plural channels inputted from an incidence highway 1 and 2X1 optical switches 63-63(n-2) are coupled alternately in series to constitute a serial optical delay circuit 6. Light signals of optional channels from the highway 1 are distributed by an optical distributing circuit 3 to optional switches 63-63(n-2) of the delay circuit 6. The operation timing of optical switches 63-63(n-2) of the delay circuit 6 and the circuit 3 is controlled by a control circuit 7. Then, light signals are interchanged between optional channels on the highway 1, and the number of channels for ain increase in the number of channels in a frame is suppressed to a rate of linear proportion.
Patent JP-H0269818-A (JP)
Title: Display unit and method
Inventor: DEBUIDO ADAMU SHINKURAIAA
IPC: G09G1/16
Filed: 1989-06-19
Abstract: PURPOSE: To improve plotting performance by plotting a line for connecting display screen positions decided by a range in a range storage means corresponding to the area inside the respective areas of a display field. CONSTITUTION: Range positioning logic 16 decides the area of the display field where the data value is displayed for the respective data values of a data array, compares the range decided by a range storage for the area to be an object with the data value, and when the value is out of the range decided previously by the range storage, updates the range decided by the range storage so as to include the value. Plot logic 20 plots the line for connecting the display screen positions decided by the range in the range storage for the area in the respective areas of the display field. Thus, the plotting performance is improved.
Patent JP-H09318920-A (JP)
Title: Ultrasonic optical digital signal modulator
Inventor: MATSUMURA FUMIO
IPC: G02F1/11
Filed: 1996-05-27
Abstract: PROBLEM TO BE SOLVED: To realize digital signal modulation in which noise due to reflection from a transmission line is prevented and secular change is not caused with a modulation characteristic by the driving voltage of low voltage by integrating a laser diode, an ultrasonic optical modulating part, a collimator lens and an optical fiber. SOLUTION: This device possesses a first collimator lens 19 disposed between the laser diode 11 and an ultrasonic optical modulation medium 13 and a second collimator lens 20 disposed between the optical fiber 12 and the ultrasonic optical modulation medium 13. The modulating part of the ultrasonic optical modulation medium 13 is constituted of a transducer 16 having upper and lower electrodes 14 and 15 and an impedance matching circuit 17. When a digital signal transduced into light is '1', the light from the laser diode 11 is combined with the optical fiber 12 and is emitted to the transmission line, and when the digital signal is '0', on the contrary, the light is diffracted at the inside of the ultrasonic optical modulation medium 13, so that the light is not combined with the optical fiber 12 and is not outputted to the transmission line.
Patent JP-H0320748-A (JP)
Title: Manufacturing device for photosensitive body
Inventor: IEUJI NOBUYASU
IPC: B05C3/09
Filed: 1989-06-17
Abstract: PURPOSE:To uniformize the concentration of a coating fluid and to eliminate unevenness of a photosensitive layer by circulating the photosensitive coating fluid in a immersion vessel and jetting it into the bottom of the vessel to cause a vortex in the fluid. CONSTITUTION:The uniform photosensitive layer is obtained by immersing a cylindrical substrate 1 into the photosensitive coating fluid 2 contained in the immersing vessel 3 of this device, then pulling it up at a constant speed to coat the outer circumference of the substrate 1 with the fluid 2, and at a desired time, drawing the fluid 2 from a drawing outlet 32 through a circulating pipe 41 by a pump 42, introducing through the pipe 41 into the bottom of the vessel 3, jetting the fluid 2 out of a nozzle 5 for causing the vortex to agitate the fluid 2 by the vortex.
Patent JP-H056701-A (JP)
Title: Book light
Inventor: OKAMURA HIDEO
IPC: F21V33/00
Filed: 1991-06-27
Abstract: PURPOSE:To provide a book light capable of emitting auxiliary light without burning a book and of enhancing the beauty effect. CONSTITUTION:A body 1 having a clip 2 to be attached to a book 8 and receiving a light source 5 and a battery 6 is provided, and the body 1 has a flexible bookmarker 3 made of an optical fiber one end of which is adjacent to the light source in the body 1. Thus, the light emitted from the light source 5 is emitted through the diffuse transmitting surface 4 of the bookmarker 3 to emit an auxiliary light without burning the book 8, and the beauty effect is enhanced to breed an atmosphere of reading.
Patent JP-S5581800-A (JP)
Title: Dehydrating method for organic sludge
Inventor: OGAWA ASAO
IPC: B01D21/01
Filed: 1978-12-18
Abstract: PURPOSE: To raise the dehydrating rate of organic sludge as well as reduce the amount of pH regulating agent used by adding an aqueous solution of the partially Mannich modified product of methacrylamide or polymethacylylamide, whose pH is regulated to 7 or less, to organic sludge.  
     CONSTITUTION: When dehydrating organic sludge by the addition of an aqueous solution of the partially Mannich modified product of polyacrylamide or polymethacrylamide, as a dehydrating aid, the pH of the foresaid modified product aqueous solution is regulated to 7 or less by the addition of a protone doner, e.g., an inorganic or organic acid, etc., and the dehydration is performed by means of a vacuum dehydrator, a pressure dehydrator, etc. Thus, in comparison with the conventional methods, the amount of pH regulating agent used can be more reduced and also even if the amount of the agen used is the same, the moisture content of cake can be more lowered because of improved dehydrating rate. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H0729871-A (JP)
Title: Method and apparatus for surface treatment
Inventor: MITSUI TADASHI
IPC: H01L21/306
Filed: 1993-06-25
Abstract: PURPOSE:To provide a dry etching apparatus in which a problem that a substrate to be etched is damaged or the like is not caused. CONSTITUTION:The title apparatus is provided with a reaction chamber 1 in which a substrate 4 to be treated is housed, with a metal slender pipe 7 through which an electroconductive liquid used for the surface treatment of the substrate 4 to be treated flows and which is used as an electrode for formation of a first electric field, with a counter electrode 5, as an electrode for formation of a second electric field, which is installed at the lower part of the outflow port of the metal slender pipe 7, with variable voltage sources 17, 18 which apply a voltage between the metal slender pipe 7 and the counter electrode 5 and with an orifice 6 and skimmer 8 which are used to guide liquid drops flowing out from the outflow port of the metal slender pipe 7 to the surface of the substrate 4 to be treated.