baber/WOPTO huggingface dataset:
Patent JP-H02232631-A (JP)
Title: Waveguide type optical switch
Inventor: KAWACHI MASAO
IPC: G02B6/12
Filed: 1989-03-07
Abstract: PURPOSE:To obtain the waveguide type optical switch scarcely having wavelength dependency by using a Mach-Zehnder optical interferometer circuit type 3dB optical coupler, which is constituted by coupling two directional couplers by optical waveguides with slightly different length, as an element, and constituting a circuit type optical switch with phase shifters. CONSTITUTION:Two 3dB optical couplers as elements of the Mach-Zehnder type optical switch are constituted in the configuration of a Mach-Zehnder optical interferometer circuit and the optical path difference of the circuit is set a little bit shorter (nearly 1mum) than the short-wavelength end of an in-use wavelength range. Namely, the 3dB optical couplers 22 and 23 themselves are constituted by coupling the two directional couplers 22a and 22b, and 23a and 23b each by two optical waveguides 22c and 22d, and 23c and 23d each, and such a coupled waveguide is supplied with an optical path length difference of nearly 1mum; and those two 3dB optical couplers 22 and 23 are coupled by two optical waveguides 24 and 25 equipped with phase shifters to obtain desired optical switch constitution on the whole. Consequently, the waveguide type optical switch which operates while scarcely having wavelength dependency in a desired wavelength of, for example, 1.3 - 1.44mum.
Patent JP-H07236825-A (JP)
Title: Pellet molding machine
Inventor: HAYASHI AKITAKA
IPC: C05F17/02
Filed: 1994-02-25
Abstract: PURPOSE:To make an extrusion molding plate thin while holding the molding function thereof by devising the shape of molding holes provided to the extrusion molding plate constituting a pellet molding machine. CONSTITUTION:Each of the molding holes 11 provided to an extrusion molding plate 8 is constituted of a small diameter molding part 11a provided on the inlet side thereof and a large diameter open part 11b provided on the outlet side thereof and having a diameter larger than that of the molding part 11a.
Patent JP-H09239059-A (JP)
Title: Sprinkler for liquefied petroleum gas station
Inventor: TAKAHASHI MASAYOSHI
IPC: A62C35/02
Filed: 1996-03-11
Abstract: PROBLEM TO BE SOLVED: To provide a sprinkler for liquefied petroleum station which is arranged by reducing space at a low cost. SOLUTION: A water storage tank 6 is connected to a gas cylinder with a pressurization line 30 and the water storage tank 6 is connected to a spray nozzle with a watering' line 33. A pressurization valve 31 opening/closing the pressurization line 30 and a watering valve 35 opening/closing the pressurization line 33 are provided. Fire fighting water stored in the water storage tank 6 is pushed-out from the spray nozzle by incombustible gas packed inside the gas cylinder 7 with the watering line 33.
Patent JP-H04290041-A (JP)
Title: Burst signal generation/error detector
Inventor: SEKINE MINORU
IPC: H04L12/40
Filed: 1991-03-19
Abstract: PURPOSE:To improve the performance of the characteristic test corresponding to a transmission line and a communication equipment receiving and sending a burst signal. CONSTITUTION:This detector is provided with a start signal generating section 2, a memory 4 storing a test data, a data generating circuit 3 reading the data from the memory 4 and outputting the data and a buffer memory 5 storing the data from the circuit 3. A frame composition circuit 6 receiving an input data TD2 from a buffer memory 5 and a TD/EBL signal from the circuit 3 outputs a frame subject to capsule processing. A driver circuit 7 converts the frame and outputs the converted frame to a sample 14, and a frame decomposition circuit 9 receives the signal sent back from the sample 14 via a receiver circuit 8 and extracts the data from the frame and outputs the data, a data collation circuit 11 collates the data entered via a buffer memory 10 and the data from the buffer memory 5 to detect an error and it is informed by a display device 13 or the like.
Patent JP-S55145451-A (JP)
Title: Error correcting device
Inventor: DOI TOSHITADA
IPC: G11B3/00
Filed: 1979-04-27
Abstract: PURPOSE:To enhance the error correcting capacity by making use of the error detection code such as the CRC code in addition to the error correcting capacity with addition of two parity signals and thus securing the error correction and the comparison between the two syndromes. CONSTITUTION:The audio signals of the PCM series corresponding to the audio signal of the left channel sent from input terminal IL and the PCM series corresponding to the right channel from input terminal IR are applied to EX OR gate 2 to produce 1st parity signal Pi. Then PCM signal Ri-3 and parity signal Pi-s are delayed via delay circuits 3 and 4 of 3 and 8 words each to be supplied along with PCM signal Li which is not delayed to EX OR gate 5 to produce 2nd parity signal Qi. Then PCM signal Ri-16 delayed by 13 words, parity signals Pi-32 and Qi-35 delayed by 24 and 35 words each plus PCM signal Li are applied to CRC encoder 9. And the code of Ci is formed to 4 words via the CRC code in order to enhance the error correcting capacity.
Patent JP-H04269588-A (JP)
Title: Image receiving sheet for sublimation type thermal transfer recording
Inventor: KUSHI KENJI
IPC: B41M5/50
Filed: 1991-02-25
Abstract: PURPOSE:To reduce turbulence in quality of recording image caused by defective surface smoothness of a dye accepting layer and improve sensibility of image receiving sheet by providing the image receiving sheet for the use of color printers consisting of a base material and a dye accepting layer arranged on the base material. CONSTITUTION:As the surface roughness of a dye accepting layer 3, the center line average height (Ra) is made to be 0.3mum or less and the maximum height (Rmax) is made to be 5mum or less. Between the dye accepting layer 3 and a base material 1, a smooth surface macromolecular layer having the surface roughness with the center line average height (Ra) of 0.3mum or less and the maximum height (Rmax) of 5mum or less is formed by coating.
Patent JP-H09242224-A (JP)
Title: Panel connecting device
Inventor: ZAITSU HISATA
IPC: E04B9/24
Filed: 1996-03-11
Abstract: PROBLEM TO BE SOLVED: To provide a connecting device free to easily commonly used for connection of a panel for a partition wall and a panel for a ceiling, to be manufacture at low cost and capable of making sufficient out-of-plane rigidity and connection hard to be disconnected. SOLUTION: A panel connecting device is a pair of metallic members 1, 1 for connection of a roughly sectionally S shape having prescribed length. Additionally, it is constituted of the members 1, 1 for connection having space forming parts S1, S1 to form a space parts S between the metallic members 1, 1 and their joints L-L and panel fitting parts S2, S2 to open to the side at the time of assembling a pair of these members 1, 1 for connection so that it comes to be in relation of a reflected image against the joints L, L and an engagement member 2 to engage with the space forming parts S1, S1 of these members 1, 1 for connection.
Patent JP-H07232356-A (JP)
Title: Method for setting injection condition in injection molder
Inventor: OTO YUTAKA
IPC: B29C45/76
Filed: 1994-02-24
Abstract: PURPOSE:To realize an easily usable molder, in which proper injection conditions are set without requiring skill, by a method wherein metering value, the minimum cushioning amount and the like are automatically set by inputting the kind of resin and the kind of molding matter and performing injection action by less-frequent times. CONSTITUTION:A method for setting injection conditions has a process, in which the kind of resin to be used and the kind of molding matter are inputted in a controlling device 2 through the screen of a display unit 22, a process for setting charging pressure by selecting data in a memory 25 on the basis of the inputted kinds of resin and of molding matter and a process, in which injection action by the pre-set stroke is performed on the basis of the set charging pressure. On the basis of the stroke at the injection action and cushioning amount, metering value and the minimum cushioning amount are automatically set. After that, on the basis of the metering value and the minimum cushioning amount, a V-P charging-over position is set. Further, the method is equipped with a process for automatically converting to speed controlling, in which controlling is performed on the basis of the speed command value recorded at the injection action under the charging pressure.
Patent JP-H09244039-A (JP)
Title: Substrate for liquid crystal display
Inventor: NOSE SHINICHI
IPC: G02F1/1343
Filed: 1996-03-11
Abstract: PROBLEM TO BE SOLVED: To effectively prevent dielectric breakdowns among respective electrodes constituting electrode groups by making shapes and the structure of dummy patterns surrounding plural electrode groups arranged on a substrate for liquid crystal driving so that capacitances of the patterns become uniform when they are seen from respective electrodes constituting respective electric groups. SOLUTION: This substrate is provided for liquid crystal driving with electrode groups 1, 2 having electrodes formed on this substrate 6 and dummy patterns 3, 4, 5 to be formed on the substrate 6 in order to short-circuit respective electrodes constituting these electrode groups only in an assemblying process are made to be such shapes and structure that their capacitances become almost uniform when they are seen from respective electrodes by making a slit 7 in the dummy pattern 4 and then discharges among electrodes are suppressed by liberating static electricities generated on respective electrodes to the dummy patterns 3, 4, 5 uniformly.
Patent JP-2000251263-A (JP)
Title: Optical disk device
Inventor: TAKEUCHI HITOSHI
IPC: G11B7/126
Filed: 1999-03-02
Abstract: PROBLEM TO BE SOLVED: To perform recording/reproduction that has a configuration suitable for reducing costs and quality without any practical problems by dispersing a laser beam, by calculating the difference between an average quantity of light being obtained by detecting the low-frequency component and an average quantity of light being calculated for a specific period after recording is started for recording, and by controlling the power of the laser beam by the signal. SOLUTION: A storage circuit 20 is composed of A/D and D/A conversion circuits. After time t1 that is longer than time tr where an average quantity-of- light signal becomes nearly equal to an average quantity of light from the starting of recording passes, the sampling operation of the A/D conversion circuit is completed, and an output latch pulse is generated for storing and outputting the average quantity-of-light signal immediately after the recording is started. When the output of a selection circuit 9 and the output of a selection circuit 8 are set to the reference signal and the quantity-of-light signal of power control, respectively, the output signal of a subtraction circuit 12 becomes a power control error signal. The power control error signal is amplified by an amplification circuit 13 and is outputted to an S/H circuit 14.
Patent JP-S52136519-A (JP)
Title: Driving system for gas discharge panel
Inventor: KAWADA TOYOSHI
IPC: H01J17/49
Filed: 1976-05-10
Abstract: PURPOSE: To apply the composite writing pulse to the selection discharge point by decreasing the electrode pitch of either X or Y electrode and also by turning positive the smaller pitch electrode of application polarity of writing pulse and turning negative the larger pitch electrode respectively. As a result, a high-resolution display can be secured. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S56151784-A (JP)
Title: Dry extinguishing method for coke
Inventor: USAMI YOUJIROU
IPC: C10B39/02
Filed: 1980-04-24
Abstract: PURPOSE: In a dry extinguishing furnace for coke, the secondary cooling gas is blown from the undermost part of the gas-blowing funnel in the cooling chamber to extend the cooling zone, thus enabling the contraction of the volume of the cooling chamber, resulting in increase in the cooling efficiency of the dry extinguishing of coke.  
     CONSTITUTION: In a dry extinguisher for coke, the first cooling gas inlet 12 is formed with funnels 11 and 11a beneath the furnace 10. The circulation gas is heat exchanged, sent through a ring pipe 13 and the inlet 12 into the chamber and distributed by the distributor 15 on the center, thus cooling the red-heated coke in the furnace. Then, the secondary cooling gas is blown in through another inlet 22 for the secondary cooling gas at the undermost end of the funnel 11 and/or through the third inlets 23 on the upper hopper 18 which is placed beneath the funnel 11. The cooled coke is cut out by the cutting gate 17 into the upper hopper 18 and sent out to the lower hopper 20 by opening the upper trap 19. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S54145651-A (JP)
Title: Naphtho1,8-bcfuran-5-one derivative
Inventor: NOGUCHI TAKAHIRO
IPC: C07D307/92
Filed: 1978-05-04
Abstract: NEW MATERIAL:A 2-(4-dialkylaminophenyl)naphtho[1,8-bc]furan-5-one of formula I: (R is 1W6C alkyl group).  
     USE: Photopolymerization initiators which form photopolymerizable compositions with compounds capable of effecting addition polymerization having ethylenically unsaturated double bonds. The compound of formula I can be obtained at a low cost compared with the conventional polymerization initiators.  
     PROCESS: 0.1W10moles of a p-dialkylaminobenzoic acid of formula II is condensed with one mole of 1,5-dihydroxynaphthalene in a polyphosphoric acid at room temperature to 200°C to give the objective compound of formula I. Polyphosphoric acid consisting mainly of tri- and tetrametaphosphoric acids is generally used. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-H07263917-A (JP)
Title: Irreversible circuit element
Inventor: TOKUJI HIROSHI
IPC: H01P1/383
Filed: 1994-03-24
Abstract: PURPOSE:To form an inexpensive irreversible circuit element of high reliability and high quality where a sufficient strength of soldering is attained, and an isolator and a circulator are easily changed. CONSTITUTION:A lower yoke 2 is attached on an input/output substrate 1, and a ferrite assembly 4 and a single plate capacitor C3 are arranged in the lower yoke 2, and single plate capacitors C1 and C2 and chip resistances R and R are arranged on the input/output substrate 1, and a connection terminal 3 is arranged on the single plate capacitor C3, and this assembly is covered with a resin case 5, and an upper yoke 7 attached with a permanent magnet 6 on its lower face is set to the lower yoke 2. The connection terminal 3 is connected to the front end part of one center conductor 43 of the ferrite assembly 4. The single plate capacitor C3 and chip resistances R and R are connected by this connection terminal 3. Single plate capacitors C1 and C2 are connected to front end parts of the other center conductors 41 and 42.
Patent JP-S56151746-A (JP)
Title: Heat-resistant resin composition
Inventor: NISHIKAWA AKIO
IPC: C08K5/34
Filed: 1980-04-25
Abstract: PURPOSE: To obtain the titled composition, having improved storage stability at  ordinary temperature and rapid curability at a relatively low temperature, and  moldable at a low pressure, by incorporating a specific polyallylic ester compound  with a bismaleimide derivative and an amine compound.  
     CONSTITUTION: A polyallylic ester compound having one or more imide groups, e.g. formulas I and II (X is O, CH 2 , S, SO 2 , CO or direct bond) is incorporated with an N,N'-substituted bismaleimide derivative of formula III (R is alkylene or arylene) and an amine compound, e.g. a primary diamine or N-aryl substituted aromatic triamine. The resultant composition is then heated, kneaded and molded at 170°C and 70kg/cm 2  in a short time of 1W5min to give a molded article having improved properties. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-H01227952-A (JP)
Title: Detection of gas
Inventor: IWAMOTO MASAKAZU
IPC: G01N27/12
Filed: 1988-03-08
Abstract: PURPOSE:To suppress the sensitivity to gaseous ethanol and to enhance the selectivity to carbon monoxide by covering the surface of a metal oxide semiconductor with a zeolite compd. in a method of detecting the gas from the resistance value of the metal oxide semiconductor. CONSTITUTION:This gas sensor is constituted of the metal oxide semiconductor deposited with Pd and Pt on, for example, SnO2, etc., a heater 6 for heating the metal oxide semiconductor 4, a carrier 8 formed of an insulating pipe such as alumina, and a pair of gold electrodes 10, 12. The zeolite covering layer 14 is formed on the surface of the metal oxide semiconductor 4 of the above- mentioned gas sensor by applying the paste of, for example, Y type zeolite of a Na substitution type and binder on the surface of said semiconductor and heating the coating after drying. This gas sensor 2 is used by changing the temp. to a high-temp. side of 250-500 deg.C and to a low-temp. side of room temp.-120 deg.C. The adsorbed ethanol, etc., are thereby released on the high-temp. side and the carbon monoxide is detected selectively on the low-temp. side.
Patent JP-H06264811-A (JP)
Title: Fuel injection valve drive control device for internal combustion engine
Inventor: MITSUYASU MASAKI
IPC: F02D41/04
Filed: 1993-03-15
Abstract: PURPOSE:To provide a fuel injection valve drive control device utilizing a piezoe lectric element and capable of setting the charge energy of the piezoelectric element to a desired value at the time of quick acceleration. CONSTITUTION:A piezoelectric element is connected to the secondary coil of a flyback transformer (D), the current flowing in the primary coil is interrupted at a specific timing, and the flyback energy is generated in the secondary coil to charge the piezoelectric element. The piezoelectric element is discharged at the specific timing (C) to open or close a fuel infection valve (E) operated by the piezoelectric element in the fuel injection valve drive control device of an internal combustion engine. The excitation start timing to the primary coil is determined (A) so that the excitation period to the primary coil becomes the specific period, and the excitation state timing can be corrected (B) based on the change rate of the engine speed.
Patent JP-H10257629-A (JP)
Title: Protector
Inventor: WAKABAYASHI SATOSHI
IPC: H02G3/04
Filed: 1997-03-10
Abstract: PROBLEM TO BE SOLVED: To provide a wiring harness protector having a simple construction and can be detached from a body panel easily without the use of an exclusive jig. SOLUTION: The outer surface of the upper plate of a protective member 10a, made of a rigid material is divided into two regions by an axial line 16 in parallel with the axial line of a wiring harness. Retainers 12a and 12c are stood in one of the regions and near the axial line 16, and a retainer 12b is erected in the other region and near the axial line 16. The respective retainers 12a, 12b and 12c are separated from each other in the direction of the axial line 16. The respective retaining nails 15 are formed so as to be oriented in a direction perpendicular to the axial line 16 and facing opposite to the axial line 16 side. The retainers 12a-12c are inserted into attachment holes in a body panel 20 for retention, and the protective member 10a is fixed.  In the fixed state, after the protective member 10a has been deformed and the retention of the retainer 12c is released, the protective member 10a is turned in a plane parallel to the body panel 20 with an approximately middle point between the retainers 12a and 12b as the center of turning, to release the retentions of the retainers 12a and 12b.
Patent JP-S58171466-A (JP)
Title: Agent for accelerating dropwise condensation
Inventor: ABE TOSHIHIKO
IPC: C09K3/00
Filed: 1982-04-01
Abstract: PURPOSE:To prepare the titled accelerating agent having high heat resistance, water resistance and water repellency, and forming a dense coating film having excellent adhesivity to the substrate, by diluting a cyanoacrylate with a volatile solvent to a specific concentration. CONSTITUTION:The objective agent is prepared by adding a cyanoacrylate to a volatile solvent (prefeably acetone) at a concentration of 0.1-10wt%. The solvent used is dehydrated as far as possible. The agent is applied to the metallic condensation surface of a condensation-type heat exchanger e.g. by immersion spraying, wet-on-wet coating, etc. The solvent is evaporated rapidly, and the cyanoarylate film covering the condensation surface is polymerized instantaneously with the moisture in air to form a dense, pinhole-free solid thin film.
Patent JP-H09238792-A (JP)
Title: Indicator for display merchandise
Inventor: IZAWA TORU
IPC: A47F5/00
Filed: 1996-03-12
Abstract: PROBLEM TO BE SOLVED: To exchange a price display part with a display board, to enable the thinning of the display part and large digital display as well and to facilitate the change of price display and merchandise name display, etc. SOLUTION: This indicator is provided with a display board 20 for displaying merchandise information such as the merchandise name and a merchandise price display unit 30 attachably and detachably fitted through a supporting means onto one side of the display board 20 at least. Then, the merchandise price display unit 30 is composed of a flat case main body 301 having a digital card storage part 304, which is divided into plural sections laterally corresponding to the number of digits in the price numeral and opens the front face, and having a card inserting pocket 306 at the lower part of the digital card storage part 304, plural digital cards 302 for price display including blank cards inserted into the respective digital card storage parts 304 so as to be ejected/inserted,  and a cover 308 for holding the upper end parts of respective digital cards 302 stored in the respective digital card storage parts 304 while being supported at the upper end part of the case main body 301 so as to be opened/closed.
Patent JP-S61217471-A (JP)
Title: Burster
Inventor: AMANO TAKASHI
IPC: B65H35/10
Filed: 1985-03-19
Abstract: PURPOSE:To cut a form reliably, in a burster for business machine, by varying the circumferential speed of paper feed roller and paper discharge roller with correspondence to the interval of perforation of the form. CONSTITUTION:Upon matching of fixed screw 31 along a moving groove with a scale 37 with correspondence to the length of single form 12, the brake body 29 is set to the length of form with reference to the paper discharge rollers 23, 24. An operating chip 35 in speed controller 33 will also move to execute the speed regulation setting with correspondence to the length of form. The form 12 between the guideboards 20 is fed through the paper feed rollers 17, 18 over a paper path 15 below the brake body 29 while applied with tensile force through the paper discharge rollers 23, 24 having lower circumferential speed and collides against the projected outer end of the brake body 29 to be cut instantaneously along the perforation and stacked on a receiving table 25.