baber/WOPTO huggingface dataset:
Patent JP-H04353699-A (JP)
Title: Semiconductor storage device
Inventor: KUDO HIDEYOSHI
IPC: G11C16/06
Filed: 1991-05-30
Abstract: PURPOSE:To realize high speed read operation of memory cell data without increase of circuit scale and device forming area in a semiconductor storage device in which a readout data is output by comparing a memory cell potential with the reference potential like EPROM or mask ROM using a floating gate type MOSFET as a memory cell. CONSTITUTION:A dummy cell 81 for changing a charging speed is connected in parallel with dummy cells 12l to 12m connected to a dummy bit line DBL and this dummy cell 81 is controlled for ON and OFF status by a control circuit 80. Thereby, a charging speed for the dummy bit line DBL by a second load circuit 50 is lowered, in the initial condition of charging, than the reference potential Vrcf generated by a first load circuit 30 and a potential difference between the bit lines BL1 to BLn and dummy bit line DBL is used for detection of readout data of '1' and '0' in the initial stage of the charging by a data detection circuit 70.
Patent JP-2000321925-A (JP)
Title: Color image forming device
Inventor: FUJIMOTO OSAMU
IPC: G06F15/00
Filed: 1999-05-07
Abstract: PROBLEM TO BE SOLVED: To provide a compact and inexpensive device constituted so that additional information can be added to a black-and-white image by using color other than black at a printing speed being identical to the speed of the forming time of the black-and-white image. SOLUTION: A digital color copying machine 1 is composed of two image proceeds parts respectively having a photoreceptor 11 or a photoreceptor 12. By using the 2nd image process part 71 being different from the 1st image process part 72 used for forming the black-and-white image, the images of a specifies pattern and a tracing pattern are formed. Thus, the specified pattern and the tracing pattern can be added to the black-and-white image while maintaining the speed being identical to that of the printing time of the black- and-white image.
Patent JP-S52123222-A (JP)
Title: Information disk reproducing system
Inventor: KANESHIRO TOSHIO
IPC: G11B3/36
Filed: 1976-10-26
Abstract: PURPOSE: To provide an information disk reproducing system, in which tracking signal and video signal, recorded on disk surface in the form of electrostatic capacity, is reproduced by scanning, whereby stable and reliable reproduction can be attained and at the same time endurability of recording disk can be improved. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H07331135-A (JP)
Title: Coating fluid composition and method of forming coating film
Inventor: KOBAYASHI KESANAO
IPC: C08L101/00
Filed: 1994-06-09
Abstract: PURPOSE:To provide a coating fluid composition which gives a coating film uniform in level even in a process wherein it is applied with, e.g. a roll coater or a bar coater and allowed to stand still to thereby dry from a free surface and a method of forming a coating film wherein the composition is used. CONSTITUTION:A coating fluid composition in which a part of the solvent component comprises a combination of at least two solvents selected from among propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, methyl 3-methoxypropionate and ethyl 3-ethoxypropionate, with these solvents accounting for 60-100wt.% of the solvent component and satisfying the inequality (propylene glycol monomethyl ether acetate)+(propylene glycol monoethyl ether acetate)>(methyl 3-methoxypropionate)+(ethyl 3- ethoxypropionate), and which has a viscosity at 30 deg.C of 5-20cP.
Patent JP-S615967-A (JP)
Title: Printing timing control circuit
Inventor: NARITA MASAHISA
IPC: B41J7/34
Filed: 1984-06-21
Abstract: PURPOSE:To elevate the printing position accuracy until a constant speed is reached after the starting of the carriage, by determining the timing of feeding of a hammer driving pulse from the number of carriage driving pulses and a correction value corresponding to the position of the carriage. CONSTITUTION:A control circuit 5 has a correction value previously measured stored into a correction value table 14 and a constant generation circuit 10 feeds a fixed correction value to a switching circuit 11 and an addition circuit 13. The switching circuit 11 sends output of the circuit 10 to a timer 12 during the flying while sending output of the circuit 13 during the stoppage based on a signal indicating the duration of flying or stoppage issued from a register 15.
Patent JP-S5829892-A (JP)
Title: Modification of pulverized coal
Inventor: NAKAMURA YOUICHI
IPC: C10L5/00
Filed: 1981-08-17
Abstract: PURPOSE:To reduce ash cut and to enable pulverized coal to be injected into the combustion chamber of a boiler at an increased rate, by mixing aluminum oxide with the pulverized coal. CONSTITUTION:Modified coal 5 obtd. by deashing and granulating pulverized coal/water pulp 1 by a submerged granulator 2 and mixing an adequate amt. of Al2O3 with the produced granulated coal 3, is crushed again by a pulverizer 6 to prepare a combustible coal. The obtd. coal is reduced in ash cut (a phenomenon of damaging a boiler tube by injected pulverized coal) primarily due to SiO2 in the ash of the pulverized coal, so that it is possible to inject the pulverized coal into the combustion chamber of a boiler at an increased rate and to increase boiler efficiency.
Patent JP-S6019874-A (JP)
Inventor: KAWAUCHI KAZUHIKO
IPC: B65G47/80
Filed: 1983-07-15
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-H1131313-A (JP)
Title: Magneto-resistive effect element and its manufacture
Inventor: KANAZAWA KIYOSUMI
IPC: H01F10/08
Filed: 1998-05-11
Abstract: PROBLEM TO BE SOLVED: To provide an MR element, a thin film magnetic head and these manufacture without increasing an electric resistance value due to an insensitive band. SOLUTION: End part passive areas 2, 3 are provided on both side ends of a central active area, and respective areas contain magnetic domain control films 21, 31 and conductive films 22, 32. The magnetic domain control films 21, 31 are overlapped partially on the surface of the central active area 1. The conductive films 22, 32 are stuck to the surface of the magnetic domain control films 21, 31, and are overlapped on the surfaces of the magnetic domain control films 21, 31 and the central active area 1. The overlapped size W2 of the conductive films 22, 32 on the surface of the central active area 1 is larger than the overlapped size W1 of the magnetic domain control films 21, 31 on the surface of the central active area 1.
Patent JP-H10296637-A (JP)
Title: Super abrasive grain grinding wheel
Inventor: HOSHIKA MASANORI
IPC: B24D3/14
Filed: 1997-04-30
Abstract: PROBLEM TO BE SOLVED: To improve the grinding property of a polycrystal diamond sintered body (PCD), a polycrystal cubic boron nitride sintered body (PCBN), etc. SOLUTION: This is super abrasive grain grinding wheel comprises diamond abrasive grains sintered with glass or ceramic bond and comprises abrasive grains of 25 to 40 vol%, bond of 60 to 75 vol%, which comprises glass of 66 to 99 vol%, hexagonal boron nitride (h-BN) of 1 to 17 vol% and Sic of 0 to 15 vol%. In this case, the total amount of super grains sic and h-BN is 50 vol% or less, bond in which crystallized glass of 0 to 50 vol% is contained and h-BN whose average diameter is 20 μm or less are employed. The bond is properly broken into fine pieces due to the lubricity of h-BN, as a result, due to the self production of blades of abrasive grains and chip removing work, even PCDs and PCBNs can smoothly cut.
Patent JP-S63295709-A (JP)
Title: Spinneret for melt spinning
Inventor: UMEDA SHIGEYUKI
IPC: D01D5/253
Filed: 1987-05-27
Abstract: PURPOSE:To obtain a fiber having a high void ratio and excellent feeling without cracking the cross section, by carrying out spinning using a spinneret having discharge holes with radially arranged slits and circular holes of a specific size formed in the tips and central part thereof. CONSTITUTION:A spinning melt, such as polyethylene terephthalate, is spun by using a spinneret, having discharge holes with 3-8 slits 1 arranged radially from the center, circular holes 2 having a larger diameter (R) than the slit width (W) at the tips thereof and a circular hole 3 having a larger diameter (D) than the same slit width (W) in the central part connecting the above- mentioned respective slits 1 and satisfying formulas 1.1<=R/W<3.0, 4.0<=L/W<=8.0 (L is the slit length), 5.0<=Q/W<=40.0 (Q is the throughput per slit), 1.15<=D/W, 0.8<=R/D<=1.25 and 2.0<=L/D to provide a multifilament yarn having a high void ratio without causing cracking of the cross section.
Patent JP-H07321252-A (JP)
Title: Resin-sealed type semiconductor device
Inventor: KAJIWARA MAMORU
IPC: H01L23/29
Filed: 1994-05-19
Abstract: PURPOSE:To perform a high-temperature die bonding and a high-temperature wire bonding. CONSTITUTION:A semiconductor chip 1 is fixed on an island 2 by a die bonding material 4, and a pad on the semiconductor chip 1 and an LF lead 3 are connected by a bonding wire 5. A heat spreader 6 is fixed on the semiconductor chip 1 by an insulating adhesive agent 7, and the whole of a semiconductor device is sealed with a sealing resin 8. Thereby, for the adhering of the heat spreader 6 is performed after the completion of bonding processes, without the consideration of the heat resistance of the adhesive agent 7, the high- temperature bondings of the chip 1, etc., are made possible.
Patent JP-H11303125-A (JP)
Title: Backhoe type bucket
Inventor: WATANABE TOMONORI
IPC: E02F3/36
Filed: 1998-04-22
Abstract: PROBLEM TO BE SOLVED: To reduce the burden of operators by enabling the projecting end of a coupling pin which projects from brackets during excavating work or the like to be protected from colliding objects such as flying stones. SOLUTION: A bucket 9 is provided with horizontally spaced brackets 11, and the arm boss of an arm 5 is rotatably connected between the brackets 11 by use of a coupling pin. Also, a stopper 14 for preventing the coupling pin from falling out from the brackets 11 is fastened to the projecting end of the coupling pin which projects from the brackets 11. A U-shaped guard plate 19 surrounding the contour of the stopper 14 from the outside is secured to the brackets 11.
Patent JP-S5354690-A (JP)
Title: Hydraulic stability monitor for nuclear reactor
Inventor: IZUMI MASAYUKI
IPC: G21C17/00
Filed: 1976-10-27
Abstract: PURPOSE:To make it possible to confirm whether or not a hydraulic stability phenomenon in a nuclear reactor core occures, by installing a hydraulic stability monitor for the nuclear reactor.
Patent JP-S5556281-A (JP)
Title: Pattern input processing system
Inventor: OGURA KENJI
IPC: G06T1/00
Filed: 1978-10-18
Abstract: PURPOSE:To obtain the framework pattern of a table consisting of standardized horizontal and vertical lines which are thinned in real time and have no fringes, by adding or deleting picture elements to picture information of one scanning line synchronizing a scan a scanner. CONSTITUTION:Picture information for one scanning line is read by memory 4 in forms of [1] and [0], contents of line memories 5 and 6 are transfered 18 to output buffer 14 and memory 5 respectively, and contents of memory 4 are transferred 16 to memory 6. In a next scan, contents of memory 14 are transferred 17 to storage unit 3. At this time, continuous block Bi of [1] in memory 5 is detected 8 and while the kind of the block is discriminated 9, the connection state and kind of blocks in scanning lines preceding and following Bi are discriminated by referring to memories 6 and 7. In accordance with the connection state of Bi, circuits 10-13 operate to add or delete picture information to Bi. After the end of the process, contents of memory 5 are sent out to memory 14. In this method, a pattern consisting of straight lines without distortion can be obtained.
Patent JP-S616917-A (JP)
Title: Internal reflection type unidirectional surface acoustic wave converter using change in electrode width
Inventor: YAMANOUCHI KAZUHIKO
IPC: H03H3/08
Filed: 1984-06-20
Abstract: PURPOSE:To obtain an internal reflection type unidirectional surface acoustic wave converter by splitting positive and negative electrodes of a reed screen electrode into several parts and utilizing the difference between the exciting center position and the reflecting center position. CONSTITUTION:The positive and negative reed screen electrodes 2 with an equal width are divided into two on the surface of a piezoelectric electrostatic substance 1. In the split method, the width of an electrode 3 at the left side of the positive electrode is wide, the width of an electrode 5 at the right side is narrow, the width of the electrode 5 at the left side of the negative electrode is wide and the width of an electrode 6 at the right side is narrow. Since the arrangement of the electrodes is unsymmetric within one wavelength in this way and the center position of a surface acoustic wave excitation and the center position of reflection are different, a surface acoustic wave where the exciting strength of a surface acoustic wave 7 in the right direction is large and the exciting strength of a surface acoustic wave 8 in the left direction is small is obtained.
Patent JP-S63294389-A (JP)
Title: Freshness keeping apparatus for distributing vegetables, fruits or flowering plant
Inventor: NAGASHIMA NAOKI
IPC: B65D88/74
Filed: 1987-05-27
Abstract: PURPOSE:To utilize cooled brine as the cooling cryogen of a transport cold reserving truck, by incorporating a liquefied gas evaporator in a brine tank so that brine can absorb evaporation heat, generated when liquid to be handled is evaporated. CONSTITUTION:A vacuum container 1 is constituted of a vacuum pump 2, a cold trap 3 for catching steam generated from perishables at the time of evacuation and a gas introducing valve 4 for substituting gas after vacuum cooling is performed. For example, a tank 10 is filled with nitrogen and carbon dioxide, and said liquids are evaporated through an expansion valve 9 and an evaporator 8 to be introduced into the vacuum container 1 from the gas introducing valve 4. The evaporator 8 is incorporated in a brine tank 11 and can be heat- exchanged with the brine in the brine tank 11. The brine in the brine tank 11 is also cooled by the heat-exchanger 13 from a refrigeration machine 12. This brine is sent to the heat exchanger 25 introduced into the cold trap 3 through a brine pump 14. The container 16 for receiving a transport container is arranged on the bed of a truck 15.
Patent JP-S62284912-A (JP)
Title: Automatic pressure reducing device for internal combustion engine
Inventor: SHIBATA YASUHIKO
IPC: F02D13/08
Filed: 1986-06-03
Abstract: PURPOSE:To smoothly rotate a cam shaft without producing vibration, by a method wherein the pivotally supporting shaft of plural swing members are disposed symmetrically about a cam shaft, and the centrifugal forces of the two members are always balanced around a cam shaft. CONSTITUTION:During the starting or low speed rotation of a car shaft 26, a first swing member 38 is energized through the force of a coil spring 52, and a push-up pin 40 is protruded radially outwardly of a base circular part 42 of a cam 28. A second swing member 58 is energized through the force of a coil spring 64, and a contact part 66 is brought into contact with a frame 30 radially inwardly of the cam shaft 26. Thus, with the cam shaft 26 rotated, the push-up pin 40 pushes up a slipper 24 of a locker arm 20 by a distance equivalent to its protruding distance. As a result, a contact part 22 of the locker arm 20 pushes down a valve 16 to decrease a compression pressure in a combustion chamber 14, resulting in reduction in a force required for cranking during the starting.
Patent JP-S62286870-A (JP)
Inventor: ISA TAKAYOSHI
IPC: B61L23/00
Filed: 1986-06-03
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-H06216008-A (JP)
Title: Illumination optical device
Inventor: KUDO YUJI
IPC: F21S8/00
Filed: 1993-05-31
Abstract: PURPOSE:To maintain high illumination efficiency by a method wherein a ring- like secondary light source image is obtained by forming the image on the reflection surface of a rotationally symmetrical reflector by a collimating optical system. CONSTITUTION:A collimate lens 3 corrects the image on the reflection surface 2b of an oval mirror 2 for flattening, and the reflected luminous flux, sent from the ring-like reflection region (a1) in the vicinity of the aperture part of the oval mirror 2, is image-formed on the position (a2) which is a little separated from the center of the plane of incidence of the flyeye lens 4. The reflection luminous flux sent from the ring-like reflection region (b1) on the circumference which is the extreme end from the aperture part 2a of the oval mirror 2. Accordingly, the entire image of the reflection surface 2b of the oval mirror 2 becomes almost flat by the collimation lens 3 and formed on the plane of incidence 4a of the flyeye lens 4. Therefore, a ring-like secondary light source is formed on the injection-side position A2 of the flyeye lens 4 in the size corresponding to the ring-like aperture of a diaphragm 5.
Patent JP-H07330150-A (JP)
Title: Conveying device using air stream and incorporating signal transmission device
Inventor: AOKI YOSHIHIRO
IPC: B65G51/16
Filed: 1994-06-10
Abstract: PURPOSE:To simplify a conveying device incorporating a signal transmission device and using an airstream. CONSTITUTION:A conveying device using an airstream comprises a conveying pipe 1 for conveying an article with the use of an airstream, which is incorporated thereto with a compressed air pipe line 20 for operating a valve or the like, and a signal transmission device which incorporates a transmitter 33 for transmitting a signal through the compressed air pipe line 20, and a receiver 34 for receiving the signal.
Patent JP-2000321075-A (JP)
Title: Angular velocity detecting device and its driving method
Inventor: NAKAJIMA AKIO
IPC: G01C19/56
Filed: 1999-05-10
Abstract: PROBLEM TO BE SOLVED: To improve the detection accuracy of angular velocity by equipping a detection circuit that is connected to the detection electrode of a branch for detecting a vibrator and has a current/voltage conversion circuit and an integration circuit consisting of a feedback capacitor and an operational amplifier, detecting the output of the detection circuit with the output of an oscillation circuit, and cutting AC output with a low-pass filter. SOLUTION: A system is composed of a crystal oscillator 1, an oscillation circuit 2, a phase-shifting circuit 3, a waveform-shaping circuit 4, a detection circuit 5, an inversion circuit 6, a detection circuit 7, and a low-pass filter 8, thus generating angular velocity output 9. The detection circuit 5 is composed of an operational amplifier 38, a feedback capacitor 39, a resistor 88, and an integration circuit with an operational amplifier 89, a resistor 61, and a capacitor 69. The detection circuit 7 consists of transmission gates 43 and 44, and only the plus part of a voltage waveform becomes the output of the detection circuit 7. Then, AC components are cut off by the low-pass filter 8, and a positive DC output waveform 9 that is proportional to the angular velocity can be obtained.
Patent JP-H0423172-A (JP)
Title: Production system for clock adjustment data
Inventor: IWAKURA YOSHIYUKI
IPC: G06F1/10
Filed: 1990-05-18
Abstract: PURPOSE:To quickly produce the highly accurate data by specifying a route to adjust the clocks at a circuit part where the extracted clocks are distributed and calculating the clock delay value of the specified route. CONSTITUTION:A circuit part where the clocks are distributed is extracted out of a subject logic circuit, and a route is specified in the circuit part to adjust the clocks. Then the specified route and its clock delay value are outputted. That is, a file 26 of the data showing the logic circuit is previously stored in a storage 24. Then a route to perform the adjustment of clocks and the clock delay time of the route are obtained by a host computer 22 by reference to the contents of the file 26 and based on the terminal operation. The data on the route and the delay time obtained by the computer 22 are outputted to the storage 24 and stored in a file 28 of the output destination in a form of a list. As a result, a clock adjustment subject route is specified in a short period of time and the clock delay value of the route is obtained with high accuracy.
Patent JP-S5832274-A (JP)
Title: Feeding speed switching circuit for disc information recording medium reproducer
Inventor: SUGIYAMA HIROYUKI
IPC: G11B5/55
Filed: 1981-08-18
Abstract: PURPOSE:To perform retrieval in the shorest time at the optimum feeding speed, by changing field feeding speed in response to the types of addresses at the retrieval. CONSTITUTION:In making retrieval based on a time address, a transistor (TR) of a microcomputer 1 is turned off, and a voltage at a terminal 1a goes to +5V or the like and a voltage at voltage dividing point with resistors R2 and R1 of  the same value goes to 8.5V or the like. On the other hand, at the retrieval of a page address, the TR is turned on, and a vltage at the terminal 1a goes to 0V and a voltage at the voltage dividing point goes to 6V. The driving speed of a linear motor 7 is changed according to the divided voltage changing with this address, and the optimum feeding speed is selected according to the address at the retrieval, and the retrieval time can be made shortest at each address type.
Patent JP-S619333-A (JP)
Title: Steered wheel drive device in vehicle
Inventor: YAMAZAKI TOSHIAKI
IPC: B60K17/04
Filed: 1984-06-22
Abstract: PURPOSE:To make it possible to receive thrust load exerted to a sun gear shaft with the use of a convenient member without a steered wheel shaft being formed in a complicated shape, by disposing a thrust collar between a driven side bevel gear and the steered wheel shaft. CONSTITUTION:An outer gear casing 4 is attached, rotatably by steering operation, to an inner gear casing 3 attached to an axle housing 2 which is incorporated in a steered wheel drive shaft 1. Further the shaft part 18a of a driven side bevel gear 18 of a belt gear 21 which is driven by a turning center shaft 5 that is aligned with the center of steering turn, is provided on a steered wheel axle 11, and a thrust collar 22 which is disposed between the driven side bevel gear 18 and the steered wheel axle 11, for receiving a thrust load exerted to the bevel gear 18, is locked against rotation relative to the steered wheel axle 11 by means of a splitted shape stop ring 23 fitted onto the steered wheel axle 11 in the inner peripheral direction of the thrust collar 22.
Patent JP-S5830167-A (JP)
Title: Manufacture of semiconductor light receiving element
Inventor: YAMAZAKI SUSUMU
IPC: H01L31/107
Filed: 1981-08-18
Abstract: PURPOSE:To obtain an avalanche photodiode, which has an excellent guard ring effect and a low noise feature, by forming a light absorbing layer, a first multiplying layer having high carrier concentration, and a second multiplying layer having low carrier concentration constituting a P-N junction on the substrate surface wherein a concave part is provided, by a series of liquid phase epitaxial growth. CONSTITUTION:The concave part is formed in the light receiving part forming region of the N<+> type InP substrate 11 by selective chemical etching. An N<-> type InP buffer layer 12, the N<-> type In1-xGaxAs1-yPy light absorbing layer 13, the N type InP first multiplying layer 14, and the N<-> type InP second multiplying layer 15 are laminated on the entire surface including the concave part and epitaxially grown in the liquid pphase. By utilizing the effect that the thickness of the epitaxially grown layer at the concave part becomes thick, the thickness of the layer in the light receiving part, especially the first multiplying layer 14 with high carrier concentration on the light absorbing layer 13, is made larger than that around the surrounding part. The carrier concentration of the second multiplying layer 15 constituting the P-N junction is made low, and the guard ring effect is enhanced. Thus the low noise device is obtained.