baber/WOPTO huggingface dataset:
Patent JP-H01268042-A (JP)
Title: Manufacture of semiconductor device
Inventor: NIIMURA YOSHIAKI
IPC: H01L21/3205
Filed: 1988-04-20
Abstract: PURPOSE:To improve dimensional accuracy when contact holes having tapered cross sections are formed, by filling the contact holes halfway with conductive films, and expanding the diameters of the part above the conductive films in the contact hole by etching. CONSTITUTION:Contact holes 9 are formed so as to connect wirings on a semiconductor substrate 1 on which specified integrated circuits are formed and to connect the semiconductor substrate 1 and the wirings. At this time, the contact hole 9 which has the same diameter as the size of a resistor mask 7 that is deposited and formed on the surface of the semiconductor substrate 1 is formed. Then, each contact hole 9 is filled with a conductive film 10 to the intermediate part. Then, the diameter of the part of the contact hole 9 higher than said conductive film 10 is expanded by etching. In the process for filling the contact hole 9 to the intermediate part, a low temperature film forming method such as a light-selective CVD method and a low temperature epitaxial growing method is used. Thus the deterioration of photoresist 7 due to heat is prevented.
Patent JP-H05285891-A (JP)
Title: Perforator of printed board and bush exchange system thereof
Inventor: KAWAMURA NAGAHARU
IPC: B26F1/16
Filed: 1992-04-15
Abstract: PURPOSE:To realize precision enhancement of printed board perforating, and enhance dust collection efficiency and productivity of perforating. CONSTITUTION:In a perforator 1 of a printed board, the inside diameter of a pressure foot 4 provided on its lower end is formed to be of the nearly same diameter as the outer circumference of a spindle 3 that supports a drill 2, and at the same time, this pressure foot 4 is provided with a vent hole 5 that communicates with the outside, and further an engaging part 7 on its outer circumference, and, as a bush exchange system of this perforator 1, bushes 6 provided with mounting parts 10 that engage with the engaging part 7 and optimum drill penetrating holes 6a according to the outside diameter of the drill 2 are provided, not less than one and in plural number.
Patent JP-S59220819-A (JP)
Title: Resetting circuit
Inventor: HONMA YASUHIRO
IPC: G06F1/24
Filed: 1983-05-30
Abstract: PURPOSE:To stop the operation of a device when an error occurs during the operation and reset a logical circuit and a display part by accessing a memory in response to the start of a data processor while the logical circuit and display part are held reset, and setting a ready signal and allowing all circuits to operate. CONSTITUTION:A ready circuit 8 is provided to a resetting circuit, and an input signal RST0 to a microprocessor 4 is branched and inputted to a circuit 8 through an OR circuit 7, and then applied to a hardware logical circuit 11 a specific time later. A signal RST0 is applied to a display control circuit 14 through an AND circuit 10. The inverted signal of an error signal from a parity check circuit 9 is inputted to the other input terminal of the circuit 10. The memory 5 is cleared while the circuits 11 and 14 are still reset until the ready signal RDY is set after the start of the processor 4, the initialization of the processor 4 is completed, and all circuits are allowed to operate. If an error occurs during the operation, of the device is stopped and the circuits 11 and 14 are reset.
Patent JP-H05289122-A (JP)
Title: Optical switch
Inventor: WAKAZONO SHIGEHIRO
IPC: G02F1/313
Filed: 1992-04-15
Abstract: PURPOSE:To obtain an optical switch which can control a position to which light reaches through a two dimensional waveguide path and does not require to form so many waveguide paths. CONSTITUTION:This switch is provided with a waveguide layer 1 which can guide flux of light and on surface of which plural liquid crystal filling grooves 11-14 are formed in the same direction as a grating, liquid crystal which is filled in the liquid crystal filling grooves 11-14 of this waveguide layer 1 and a refraction index of which is varied by applying voltage, the first and the second clad layers 2, 3 which are arranged respectively so as to sandwich the waveguide layer 1 and has plural electrodes 31, 34 which are arranged in the different direction from the arranging direction of grooves 11-14 of the waveguide layer 1 on the surface, and the power supply which applies voltage to at least a pair of electrode of the first and the second clad layers 2, 3 and makes the refraction index of liquid crystal between electrodes the prescribed value.
Patent JP-2000293522-A (JP)
Title: Retrieval method for variant character
Inventor: KOBAYASHI MISAKO
IPC: G06F17/27
Filed: 1999-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a retrieval method in which decides automatically the variant characters included in the text data and unifies the fonts by replacing an external character if included in a text with an internal character having an approximate shape to the external character to perform a grammatical analysis and checking the mixture of both external and internal characters in the text. SOLUTION: When a user requests the check of variant characters of a text via a mouse, etc., an input part 1 receives this request and a control part 2 drives a variant character check control part 5. The part 5 sends a text every sentence to an analysis part 10. If an unknown word is detected by the part 10, it is checked whether this unknown word is an external character. If the unknown word is an external character, a character recognition part 11 recognizes the external character and selects a candidate internal character having a shape approximate to the external character. The part 10 replaces the external character with the candidate internal character and performs a grammatical analysis by means of an analysis dictionary. If this grammatical analysis succeeds, a mixture check part 12 checks whether the replaced internal character is used in the text.
Patent JP-S58212240-A (JP)
Title: Transmission system of error correction
Inventor: KARA ATSUSHI
IPC: H04L1/00
Filed: 1982-06-04
Abstract: PURPOSE:To prevent the decrease in transmission speed, by providing a pair of communication lines, and transmitting binary information to be transmitted originally simultaneously with binary information inverted binary information at every arrival to a code word comprising a predetermined code tree at the same time, for detecting the occurrence of transmission error at the same time as its transmission. CONSTITUTION:An input terminal I0 of an error correction circuit is connected to an output terminal I1 at transmission side of the 1st communication line 3, an input terminal of the 1st code detector 1 and an exclusive OR gate 2. An output of the detector 1 is connected to the other input of the gate 2, and the output of the gate 2 is connected to a transmission side output terminal I2 of the 2nd communication line 4. Further, the 2nd code detector 7, an exclusive OR gate 5 and a line memory 9 are connected to a receiving side input terminal O1' of the communication line 3. Then, exclusive OR gates 5,6 are connected to a receiving side input terminal O2' of the communication line 4 and an output of the circuit 6 is applied to a code detector 8 and a line memory 10. Further, a switching device 12 inputting an output of the lines 9,10 is controlled with an output of a comparator 11 inputting the output of the detectors 7,8 and the gate 5.
Patent JP-H05263795-A (JP)
Title: Centrifugal pump device
IPC: F04D29/44
Filed: 1992-03-23
Abstract: PURPOSE:To provide a centrifugal pump device which possesses the control mechanism of self-pressure at a pump itself. CONSTITUTION:An eddy chamber 7 is provided at the suction opening 6 of a centrifugal pump, and constitution is made so that a transport liquid may flow in from the outer periphery portion of the eddy chamber 7, and a reverse current pipe passage 12 that communicates from the discharge opening 11 of the centrifugal pump to the eddy chamber 7, is provided. The outflow opening 12a of this reverse current pipe passage 12 is arranged so that a fluid jetted through the outflow opening 12a may head for the tangential direction of the outer periphery portion of the eddy chamber 7 and may give a turning current to the transport liquid that has flowed into the eddy chamber 7.
Patent JP-S5220015-A (JP)
Title: Self-timer built-in camera wherein an exposure control element is inte rlocked with a release operation
Inventor: ARISAKA KUNIO
IPC: G03B9/64
Filed: 1975-08-07
Abstract: PURPOSE: To provide a novel mechanism wherein a release lever does not work immediately before the operation of a shutter release, a proper exposure can be fone with no waste of an electric energy, and apart from a release button a timer release lever is provided such that shooting can be done by depressing the button, even though a self-timer is actuated by error. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-H11355810-A (JP)
Title: Receiver for measurement
Inventor: GUMM LINLEY F
IPC: H04N5/44
Filed: 1999-04-02
Abstract: PROBLEM TO BE SOLVED: To surely relate a digital modulation intermediate frequency IF signal and a digital modulation radio frequency RF signal, when the digital modulation RF signal is converted into the digital modulation IF signal when the receiver receives the digital modulation RF signal, including an RF pilot signal and digital data with a symbol frequency. SOLUTION: A mixer 92 receives a digital modulation RF input signal and a local oscillator signal from a local oscillation 90 controlled by a control signal 93 and generates a digitally modulated IF signal with a pilot signal with an intermediate frequency IF equal to an integral multiple of a symbol frequency. A filter 97 eliminates a cross product component of an output of the mixer and a leakage from the local oscillator.
Patent JP-S58216860-A (JP)
Title: Apparatus for controlling sorter
Inventor: YOSHINO HIROBUMI
IPC: B65H39/11
Filed: 1982-06-07
Abstract: PURPOSE:To improve the working efficiency of the copying processing, by displaying in a display section, when a plurality of pin modes are automatically chosen, the fact, discriminating as a set bins having contents of the same stack and sort from others, and displaying them in the display section in different colors. CONSTITUTION:An operation section 4 and the display section 5 are arranged on an upper part of a copying machine body 1, and a sorter 2 connected with the body 1 is equipped with a plurality of bins 6 and a plurality of bin displaying apparatuses 7 corresponding to the bins 6. The displaying apparatuses 7 can be lit in red or green. The operation section 4 has displaying apparatuses 9, 12 for displaying the number of sheets on which copy will be done and the number of manuscripts and which will be inputted by a ten-key 8, a sort key 15, a stud key 16, etc. that will be operated when a sort mode and stack mode are chosen. When an automatically chosen bin mode is a single bin mode, the displaying apparatuses 7 are lit in red and green for bins 6 alternatively, and when the bin mode is a plural bin mode, the displaying apparatuses 7 are lit in red and green alternatively for sets of bins 6 that are regarded as particular sets.
Patent JP-H09260683-A (JP)
Title: Thin-film semiconductor device
Inventor: YAMAZAKI SHUNPEI
IPC: H01L29/786
Filed: 1996-03-25
Abstract: PROBLEM TO BE SOLVED: To reduce a leakage current by forming a semiconductor region, having an intrinsic channel region provided between a source and the drain of a first conductivity type and first-conductivity-type impurity regions, and surrounding each impurity region by a channel region and only one edge of the thin-film semiconductor region. SOLUTION: A thin-film semiconductor 1 is a nonsingle crystal semiconductor, and is provided with a source 2 and a drain 4 of a first conductivity type, and a channel 3 of a substantially intrinsic conductivity type. A gate electrode 8 is provided covering a part or the whole of the channel 3, and covering parts of the source 2 and the drain 4 in addition, as occasion demands. When each impurity region 5, 6 of the same conductivity type as the source 2 and the drain 4 is provided in a part surrounded by the channel region 3 and only one edge of the thin-film transistor 1, the impurity region 5 is surrounded by the channel region 3 and an edge 13, and the impurity region 6 is surrounded by the channel region 3 and an edge 14, and it becomes possible to reduce leakage currents at the edge sections of the thin-film semiconductor 1 by the impurity regions 5, 6.
Patent JP-H07301719-A (JP)
Title: Aligning and holding means of optical fiber
Inventor: ISHIKAWA HIROKI
IPC: G02B6/42
Filed: 1994-05-10
Abstract: PURPOSE:To provide an aligning and holding means which is capable of not only arranging and holding the coated fibers of optical fibers with high accuracy but simplifying arranging and holding operations as well. CONSTITUTION:This aligning and holding means has a base plate 10 and a cover plate 20 which is superposed on this base plate by making its one end flush with the one end of the base plate. The base plate has plural lower groove parts 11 extending from its one end to the other end on its front surface. The plural lower groove parts respectively have the first groove width and first groove depth meeting the diameters of the coated fibers of the optical fibers in parallel parts 11a of the prescribed length from one end of the base plate. The cover plate has plural upper groove parts 21 extending from its other end so as to respectively face the plural lower groove parts. The plural upper groove parts respectively have the tapered shapes which are larger than the first groove width and first groove depth and decreasing from the second groove width and second groove depth until substantially the same plane as the plane of the cover plate is attained in the section from the other end of the cover plate to the parallel parts of the lower groove parts respectively facing the upper groove parts.
Patent JP-H08294284-A (JP)
Title: Power converting apparatus
Inventor: KANEKO KOICHI
IPC: H02M7/48
Filed: 1995-04-21
Abstract: PURPOSE: To reduce switching loss of a PWM controlled power converting apparatus. CONSTITUTION: In a power converting apparatus composed of a semiconductor stack having mounted a semiconductor element on a cooling device and an inverter circuit 2 having mounted a PWM control means for converting a DC power into an AC power, a current detecting means 21 for detecting a load current and a function generating means 23 for reducing an output frequency of a sawtooth wave generating means 15 forming the PWM control means by detecting that a load current has reached the predetermined value while an output signal of the current detecting means 21 are provided.
Patent JP-H09284105-A (JP)
Title: Semiconductor integrated circuit
Inventor: KOMIYAJI KUNIHIRO
IPC: H03K5/08
Filed: 1996-04-18
Abstract: PROBLEM TO BE SOLVED: To provide the semiconductor integrated circuit with a small space factor, reduced manufacture time, at a low cost operated at a high speed and provided with a receiver circuit and/or driver circuit. SOLUTION: An external input signal IN received by a receiver circuit 1 passes through inverters INV4, INV3 and is outputted as an output signal OUT. The changeover of a logic threshold level of the receiver circuit 1 depends on a voltage level applied to a bonding pad 4. In the case of 3.3V-LVTTL, a low level is set to a voltage of the bonding pad 4 and in the case of 2.5 V-LVTTL, a high level is set to the voltage of the bonding pad 4.
Patent JP-H03294179-A (JP)
Title: Grinding device for material difficult to grind
Inventor: SHIMIZU HARUO
IPC: B24B55/02
Filed: 1990-04-13
Abstract: PURPOSE:To surely pour a grinding liquid on the grindstone surface, to prevent the grindstone from its temperature rising and to prolong the service life, by providing more than three nozzles which inject the grinding liquid at high speed toward a diamond grindstone around the grindstone and approximately equaliz ing each center angles that adjoining two optional nozzles form for the grind stone center. CONSTITUTION:More than three nozzles 5 which inject a grinding liquid at high speed toward a diamond grindstone 3 are provided around this grindstone 3. Moreover each center angles that adjacent two optional nozzles 5 form for the grindstone 3 center are approximately equalized. Consequently, instantaneous point cooling is continuously performed for the grinding point of the grindstone 3 with the grinding liquid injected from each nozzles 5, grinding chips are simultaneously washed out and the clogging of the grindstone is prevented.
Patent JP-S58212918-A (JP)
Title: Formation of blown film and cooling ring for forming the same
Inventor: OOMORI KENICHI
IPC: B29C48/10
Filed: 1982-06-05
Abstract: PURPOSE:To form stably blown film excellent in strength, transparency and lustre by cooling a cylindrical molten resin film extruded from a die slit in a specified condition. CONSTITUTION:A cylindrical molten resin film (a) is sprayed with a large quantity of gaseous cooling medium from multiple preliminarily cooling slits 10, 11 to be cooled, expanded and stretched by the compressed gas sealed in the resin film (a) to the intended diameter. Then, the film is quenched by cooling medium spouted from the normal cooling slit 12 provided near the frost line (c) and a little toward the die 4. By the preliminary cooling, the cylindrical molten resin film is cooled in a range between 60 deg.C preferably 40 deg.C higher than the crystallization initiating temperature and the crystallization initiating temperature or a little higher.
Patent JP-H10272678-A (JP)
Title: Polyester film and its manufacture
Inventor: OKUBO KENICHI
IPC: B29K67/00
Filed: 1997-03-31
Abstract: PROBLEM TO BE SOLVED: To satisfy an electrical insulating properties as an electrical material, suppress the elution of metal as the inner lining material of a packaging material and of a filling vessel for drinking water, and suppress the occurrence of defect such as pining holes by a method wherein the unevenness of a longitudinal thickness is set to be a specified value, the surface haze of a film is set to be a specified value, and its melt specific resistance is set to be within a specified range. SOLUTION: The unevenness of a longitudinal thickness must be below 20%. If its unevenness exceeds 20%, the unevenness of an insulating properties and poor slitting at working are caused when employed as an electrical material and poor slitting at working is caused as a packaging material and the inner lining material of a filling vessel and poor bonding and separation are caused at the lamination to a metal can as the inner lining material of the filling vessel. The surface haze of a film should be lower than 1.5%. If it is 1.5% or above, the lowering of the adhesion between the metal can as the filling vessel and the film develops and, in addition, the lowering of its shook resistance and its insulating properties develops also. The melt specific resistance of the film must be within the range of 5×10<6> -2×10<10> ω.cm.  If its melt specific resistance is outside of the above-mentioned range, elution of metal and poor bonding to a cooling rotary body occur.
Patent JP-S63262039-A (JP)
Title: Ac motor
Inventor: SHINNO FUTAMITSU
IPC: H02K5/24
Filed: 1987-04-20
Abstract: PURPOSE:To suppress electromagnetic exciting force and to reduce the noise produced as much as possible, by arranging a conductive material with suitable thickness and area in the air gap between a stator core and a rotor core. CONSTITUTION:A film having the thickness of 0.05 to 0.1mm made from conductive paint is formed on the inner surface of a stator core. When a motor is therefore operated from the power source of non-sinusoidal wave such as an inverter, eddy current is generated inside the film owing to the electromotive force induced to the film in accordance with the change of flux of rotating magnetic field present in the air gap of the motor and a part of energy possessed by the flux is consumed as loss inside the film. As a result, the energy of high frequency flux to excite the vibration of motor is considerably attenuated or the noise subsequently produced can be reduced.
Patent JP-S5620822-A (JP)
Title: Ball joint
Inventor: URASAKI YOSHIO
IPC: F16C11/08
Filed: 1979-07-31
Abstract: PURPOSE:To prevent a reduction of a frictional force by a method wherein permeating holes are provided on a ball socket and an end lid in a ball joint having a ball seat volumetrically expanding by moisture. CONSTITUTION:A plurality of permeating holes 9 are provided on a peripheral wall of a ball socket 5 while one permeating hole 10 is provided at a center of an end lid 6 and the ball socket 5 is constituted so as to be contacted with open air through these permeating holes 9, 10. Accordingly, a ball seat 3 absorbs moisture in the open air or splashed water through these permeating holes 9, 10 as a time is elapsed and a volumetric expansion is caused therein which increases a frictional force between a ball 2 and the ball seat 3 gradually. Thus, a reduction of the frictional force in a ball joint with elapse of time may be prevented.
Patent JP-H07305657-A (JP)
Title: Exhaust reflux control valve
Inventor: MORIYAMA TAKENOBU
IPC: F02M25/07
Filed: 1994-05-11
Abstract: PURPOSE:To prevent sticking of carbon and the like by restricting cooling action in relation to a valve body and the like. CONSTITUTION:An exhaust reflux control valve is provided with a valve body 24 which is provided in the inside of a valve body 20 and variably controls the passage cross sectional area of a passage hole 19a, and a step motor having a motor housing 22 which is provided on the end of the valve body 20 through a joint case 21 and controls the opening position of the valve body 24 according to engine operating condition. And also it is provided with a cooling passage pipe 26 which is formed in the wall part of the joint case 21 and cools the step motor by cooling water which flows inside. Furthermore, a heat insulating material 38 is interposed between the valve body 20 and the joint case 21.
Patent JP-H09281149-A (JP)
Title: Magnetic transformer for sensor
Inventor: OZAKI NOBORU
IPC: G01R15/18
Filed: 1996-04-18
Abstract: PROBLEM TO BE SOLVED: To miniaturize a transformer by winding a secondary winding to a secondary core so as to induce a secondary current which generates a magnetic field in the opposite direction to offset a magnetic flux generated in a magnetic core by a primary current supplied to a primary winding, and winding a part of the winding to a primary divided core. SOLUTION: The magnetic transformer 1 for a current sensor is provided with a first, a second input terminals 2, 3 to which a measurement current is input, a primary winding 5 wound to primary divided cores 4, 4 formed of material of a high magnetic permeability in a U shape, a secondary winding 9 wound to secondary divided cores 7, 7 formed of material of a high magnetic permeability in a U shape and forming a magnetic core 8, and a first, a second output terminals 10, 11 connected to ends of the winding 9. End parts of the cores 7 are arranged to face end parts of the cores 4. The cores 7 are magnetically coupled to the cores 4 with slits 6 provided between the confronting end parts. A magnetic sensor is inserted in either one of the slits 6 to detect a magnetic flux density in the magnetic core 8.