baber/WOPTO huggingface dataset:
Patent JP-S5787220-A (JP)
Title: Negative feedback amplifying circuit with variable gain
Inventor: MITSUO HIDEYUKI
IPC: H03G3/12
Filed: 1980-11-18
Abstract: PURPOSE:To vary the gain stably in a wide range, by changing the transfer char acteristic of a feedback circuit and the transfer characteristic of an amplifying circuit simultaneously to cancel these changes. CONSTITUTION:The input signal from a terminal 1 is amplified by an amplifying circuit consisting of transistors TRs 2-4 and is outputted from a terminal 5. A part of the output is returned to the TR2 through a resistance 6 and a variable resistance 7 to form a feedback circuit. When resistance values of resistances 6-10 are denoted as R6-R10, respectively, a transfer characteristic mu of the amplifying circuit approximates R8/R7XR9/R10, and a transfer characteristic beta of the feedback circuit approximates R7/R6 if R6>>R7 is true. A one-circulation transfer characteristic mubeta is equal to R8/R6XR9/R10, and the variable resistance R7 is not included. A transfer characteristic G of a negative feedback amplifying circuit approximates 1/beta=R6/R7 if mubeta>>1 is true, and the transfer characteristic is varied easily by changing the resistance R7, and the variable resistance is not  included in the one-circulation transfer characteristic, and therefore, the gain is  changed in a wide range with a stable operation.
Patent JP-H11354613-A (JP)
Title: Substrate detection device
Inventor: MORI SATOSHI
IPC: H01L21/67
Filed: 1998-06-10
Abstract: PROBLEM TO BE SOLVED: To enable confirmation of operational conditions of sensors, even when a substrate detecting device is retreated does not detect substrates. SOLUTION: A substrate detecting device 9 has a reflective sensors 11a, 11b and 11c for substrate detection installed in a substrate restricting mechanism at positions, corresponding to frame-shaped slots of an accommodation cassette 4 for accommodating associated substrates. The device is provided reciprocatively toward the cassette 4. A detection plate mounting base 10, having pseudo-detection plates 12a, 12b and 12c provided at positions corresponding to the sensors 11a to 11c, is fixed. After the substrate correcting mechanism performs distortion correction over the cassette 4 and position correction, the substrate detecting device 9 is advanced to detect the substrates within the cassette 4. Furthermore even when the device 9 is located at a position which is retreated from the inside of the cassette 4, the pseudo-detection plates 12a to 12c reflect the detected light projected from the sensors 11a to 11c, whereby the device can confirm the operational states of the sensors.
Patent JP-S5685696-A (JP)
Title: Heat recovery from exhaust gas
Inventor: MOGI MIKIO
IPC: F28D21/00
Filed: 1979-12-14
Abstract: PURPOSE: To prevent low-temperature corrosion of a heat exchanger and improve the option of controlling heat exchange value and the multipurpose applicability of recovered heat by providing a heat exchanger where a heat medium of higher boiling point than the temperature of exhaust gas is circulated, at the outlet of an electric dust collector located at a treatment channel for an exhaust gas orginating from an incinerator, etc.  
     CONSTITUTION: An exhaust gas at approximately 300°C discharged from an incinerator 1 and cleaned by an electric dust collector 2c is introduced into a heat exchanger 3. The said gas exchanges heat with a heat medium maintained inside a heat recovery circulatory system 6 at a temperature which does not generate low- temperature corrosion to the heat exchanger 3, e.g. more than 130°C and is reduced to a low temperature level and then is discharged. In this case, it is easy to maintain this temperature because of the high boiling point of a heat medium, so that the tubular wall temperature of the heat exchanger 3 is kept at over 150°C. In addition, there is no pressure rise in the circulatory system because of the nonexistence of heat medium vapor. Thus it is possible to prevent low-temperature corrosion and improve the option of controlling heat exchange value and multipurpose applicability. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S6140725-A (JP)
Inventor: EGUCHI MASAYUKI
IPC: B01F33/40
Filed: 1984-07-31
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-H0327406-A (JP)
Title: Hot water supplier controlled by invertor
Inventor: HARAGA HISATO
IPC: E03C1/044
Filed: 1989-06-24
Abstract: PURPOSE:To hold the pressure for hot water supply of respective hot water flow passages in prescribed water-pressure by controlling the operation of respective motors by means of an invertor based on the water pressure values of respective hot water flow passages. CONSTITUTION:Respective pumps P are operated by the operation of a console panel 11 and hot water from the hot water supplier 4 is supplied to respective places at prescribed water pressure. Then respective motors M1 for opening/ closing valve are operated based on the program of a controller and opening/ closing valves 6-8 provided in respective hot water flow passages 5a-5c are opened so as to control the hot water quantity. When the opening/closing valves 6-8 are opened and hot water from the hot water supplier 4 is supplied from respective places, the water pressure is detected by respective water pressure sensors S, a detection value from the sensors S are transmitted to the control part 10 and the revolving speed of a pump driving motor M is controlled through an invertor I from the control part 10 when the hot water pressure of respective hot water suppliers 5a-5c is lowered. Thus, the water-pressure of respective hot water supply flow passages 5a-5c by the pumps P can be held constant.
Patent JP-S5863273-A (JP)
Title: Video signal producer
Inventor: MIKADO TSUNEO
IPC: G06T3/00
Filed: 1981-10-12
Abstract: PURPOSE:To obtain a mobile screen with the reduced capacity of a memory, by obtaining a joined screens over at least two screens of the static picture information. CONSTITUTION:The output of a TV camera is supplied to a picture memory 5 via an A/D converter 20 and then fetched into the memory 5 as the static picture information with such time interval by which the screen overlaps the preceding screen. The read output of the memory 5 is recorded to a disk recorder/ reproducer 7, and at the same time the joint information of each screen is also  recorded the disk 7. The reproducing output of the disk 7 is written into 16 frame picture memories M1-M16 for instance. The joint information (f) contained in the reproducing output is applied to an address generator 21. The generator 21 generates an address to read out the picture memories successively  and at the same time generates a switch signal (g) at a joint to give the control  to a changeover switch 22. The output of the switch 22 is converted into an  analong video signal through a D/A converter 23.
Patent JP-H1012555-A (JP)
Title: Method of manufacturing nitride compd. semiconductor crystal
Inventor: UEDA YOSHIHIRO
IPC: C30B29/38
Filed: 1996-06-24
Abstract: PROBLEM TO BE SOLVED: To improve the crystalline, electric and optical characteristics by specifying the feed material concn. near a substrate, V group/III group ratio of the material, gas flow rate and its gradient to optimize the growth. SOLUTION: A sapphire substrate is set on a susceptor 14, the gas in a reaction tube 11 is replaced with purified H, purified N is introduced, the susceptor 14 is heated through a high-frequency coil 16 to clean it and cooled down to 1100 deg.C to nitride the surface with a V group material gas. It is cooled to 500 deg.C to deposit a buffer, the temp. is risen to 1050 deg.C and stabilized, and the V and III group gases are fed into the reaction tube 11 in this order, to start growing a nitride compd. semiconductor crystal, wherein the gas flow rate and its differential coefficient at a distance x=1mm from the surface of the substrate are set to 0.5m/sec or more and 0.3sec<-1> or more, and material gases flow along the substrate at a V/III ratio of 1000 or more.
Patent JP-H1011929-A (JP)
Title: Magnetic head supporting mechanism
Inventor: HAGITANI SHINOBU
IPC: G11B21/21
Filed: 1996-06-24
Abstract: PROBLEM TO BE SOLVED: To realize a magnetic disc apparatus with high speed operation, high recording density and high reliability by a method wherein a slider can be turned easily around a shaft parallel with a disc surface, the strength of gimbals is improved and a sufficient bonding strength against a load is provided. SOLUTION: A metal layer 7 is provided on the side of a slider spacer 2 which faces the rear surface of a slider 1 in order to decompose peroxide compound catalyst contained in denatured acrylic system bonding agent 6 by the reductive reaction to activate the catalyst reaction. With this reaction, the slider 1 and the slider spacer 2 are bonded to each other with a sufficient strength by the radical polymerization of the reactive components. With this constitution, a magnetic head supporting mechanism in which the separation of the slider 1 and the breakage of gimbals 3 which are caused by a force in a direction parallel with a disc surface are hardly produced and which has the gimbals 3 with which the slider 1 can be turned around a rolling axis and a pitching axis easily can be obtained. Therefore, as the magnetic head supporting mechanism with which the displacement of the slider in a direction parallel with the disc surface is hardly produced and the slider can be turned easily and which is hardly broken by a load is provided, high speed operation and high speed positioning can be realized, a high recording density can be achieved and high reliability can be realized.
Patent JP-H105698-A (JP)
Title: Paper sheet demarcating machine
Inventor: USHIJIMA KUNIO
IPC: B07C3/08
Filed: 1996-06-24
Abstract: PROBLEM TO BE SOLVED: To continue demarcation work efficiently even if the feed gap of a paper sheet is narrow and a gate can not changed over in a gap. SOLUTION: This paper sheet demarcating machine is constituted of a feeder 102 continuously delivering paper sheets, a reader 105 reading the demarcation data entered in the paper sheets, a plurality of demarcation ports 1-7, a feed passage and a gate guiding mails to the demarcation ports and a rejection port RJ is provided to the final end of the feed passage and the paper sheet not introduced into any one of the demarcation ports is introduced into the rejection port RJ. When the rejection port RJ is filled, demarcation operation is not stopped and the gate of the demarcation port is set to an open state so as to introduce a paper sheet toward the rejection port into the demarcation port before one to be handled as a rejection port. Since the demarcation port before one is set to the rejection port when the rejection port is filled, if the gate guiding the paler sheet to the demarcation port is set to an open state only during a period when it is detected that the rejection port is filled, an article wherein the gap between paper sheets is narrow can be housed without being jammed.
Patent JP-H063824-A (JP)
Title: Negative photosensitive composition
Inventor: OCHIAI TAMEICHI
IPC: G03F7/004
Filed: 1992-06-22
Abstract: PURPOSE:To obtain a negative photosensitive compsn. with which a high- sensitive and high-resolution pattern profile is obtd. CONSTITUTION:This negative photosensitive compsn. contains an alkali-soluble resin, crosslinking agent for the alkali-soluble resin which acts in an acid condition, and photo-acid initiator. The photo-acid initiator is a halogen compd. expressed by (CH2)n(OCH2CHXCH2X)2. In formula, X is Cl, Br or I and n is an integer 1-4.
Patent JP-H0538920-A (JP)
Title: Shock absorber control method and shock absorber device
Inventor: IGUCHI HIROSHI
IPC: B60G17/015
Filed: 1991-07-03
Abstract: PURPOSE:To suppress vibration of a vehicle to increase riding comfortableness by making a damping force on the extension side weaker and that on the retraction side stronger for a wheel which is forced to be raised due to acceleration and making it reversely for a wheel which is forced to be lowered due to acceleration. CONSTITUTION:Shock absorbers 10FL, 10FR, 10RL, and 10RR are formed with a cylinder 105 connected to a wheel and a piston 106 which divides the cylinder into upper and lower oil chambers 107 and 108, provided with passages 111 and 112 through the oil chambers, and fixed to a vehicle body. Also signals from a vertical acceleration sensor 101, a longitudinal direction acceleration sensor 11, and a lateral direction acceleration sensor 12 on each wheel are input into a control means 13, and output to a variable orifice 103 through wheel distribution means 134 and 135 and a drive means 143, to set a damping force of a shock absorber 10 stronger on the extension side and weaker on the retraction side for a wheel which is forced to be raised due to acceleration and to set it reversely for a wheel which is forced to be lowered due to acceleration. Thus vibration of a vehicle can be suppressed to improve riding comfortableness.
Patent JP-2000352764-A (JP)
Title: Screen for oblique projection
Inventor: MAENO KEIICHI
IPC: G03B21/62
Filed: 1999-06-09
Abstract: PROBLEM TO BE SOLVED: To obtain a high-contrast image by making an optimum observation area exist in front of a screen for oblique projection and preventing the lowering of contrast due to unnecessary light in a device where projected image light is projected from an oblique direction. SOLUTION: This screen 10 is constituted so that projected image light 2 from an image projection device 1 may be projected to a screen surface 10a from the oblique direction. In such case, the screen 10 is equipped with an unnecessary light reflection hologram 11 reflecting the unnecessary light 5 made incident from a direction other than the position of the device 1 in a direction other than the direction of an observer, an image light diffraction hologram 12 diffracting the light 2 from the device 1 in the normal direction of the screen surface 10a, and a diffusion plate 13 diffusing the light 2 diffracted by the hologram 12.
Patent JP-H066144-A (JP)
Title: High frequency amplifier circuit
Inventor: KANEKO YASUHIRO
IPC: H03F1/02
Filed: 1992-06-23
Abstract: PURPOSE:To improve the power consumption efficiency by decreasing a current consumption when a level of a high frequency signal is changed in the high frequency amplifier circuit by using a high frequency transistor(TR) as an amplifier element and having a function to keep output power constant. CONSTITUTION:A control section 10 outputs a control signal used for generating an optimum bias set in advance to a bias voltage generating section 11 based on a reference voltage inputted to a reference voltage input terminal 5. The bias voltage generating section 11 applies a prescribed optimum bias voltage to a high frequency amplifier section (2)2 in response to the control signal. Thus, even when the reference voltage is changed and a level of the high frequency signal is changed, the optimum bias is applied and useless power consumption is eliminated.
Patent JP-H0510628-A (JP)
Title: Electronic cooling device
Inventor: SAKAMOTO NORIAKI
IPC: F25B21/02
Filed: 1991-07-04
Abstract: PURPOSE:To use a material which does not transmit heat of the high temperature side to the low temperature side and which is fit for easy assembly in the manufacture as a means of joining a block for absorption of heat and a block for emission of heat where a thermoelectric cooling element is fitted between the two blocks. CONSTITUTION:Gripping devices 23 of a plastic material are used to hold together a block 17 for absorption of heat and a block 18 for emission of heat.
Patent JP-S646582-A (JP)
Title: Shutoff valve unit with nozzle
Inventor: KOJIMA TERUHISA
IPC: F16K31/06
Filed: 1987-06-30
Abstract: PURPOSE:To permit a vale unit to accurately set its stroke distance for a nozzle by arranging a pressure receiving plate in the side of a spring in its adapted face to a flange while interposing a spacer plate of predetermined thickness being able to be mounted and removed existing in the bottom surface of the pressure receiving plate. CONSTITUTION:A shutoff valve unit 1 comprises a solenoid 3 fixed to the back part of a flange 2 and a valve unit 5 connected to a plunger 4 of the solenoid 3. The unit 1 adapts the upper part side of a spring 6 to the bottom surface of the valve unit 5 while receives the bottom part side to a pressure receiving plate 18 positioned in the center part of the flange 2. A spacer plate 19, which opens a horseshoe-shaped insertion groove 19a to the side part, is interposed existing in the bottom surface of the pressure receiving plate 18. The spacer plate 19 is prepared using various thickness in accordance with unevenness of tension of the spring 6.
Patent JP-H07330162-A (JP)
Title: Device for feeding screw
Inventor: YOMO HIROSHI
IPC: B65G65/38
Filed: 1994-06-10
Abstract: PURPOSE:To provide a screw feeding device capable of surely guiding a driver bit to a head part of screws, and surely taking out the screws one by one. CONSTITUTION:A slide plate 15 on which a separating groove 15a is formed is arranged at the end of a transfer passage 6 in a screw feeding device 1 where a scooping plate 3 to scoop screws is swayably arranged in a hopper capable of storing screws, and the transfer passage 6 is arranged forward of this scooping plate 3, a rack 16 is mounted on this slide plate 15, a pinion gear 14 is engaged with this rack 16 to separate the screws advancing into the separating groove 15a on the slide plate 15 from other screws by the transverse movement of the slide plate 15. A pit guide 23 whose horizontal section is of V-shape, whose front is of the shape tapered downward, and whose back is of the shape inclined forward is arranged to the upper part of the transfer passage of the slide plate 15.
Patent JP-H0452415-A (JP)
Title: Combustion air regulator of hot air space heater of forced gas charge and discharge type
Inventor: MIKI HIROSHI
IPC: F23L13/00
Filed: 1990-06-20
Abstract: PURPOSE:To simplify the construction of a hot air space heater of forced gas charge and discharge type and achieve cost reduction by providing a damper chamber which is provided with a first connection port that is connected to one end of a first air supply pipe connected to a blower for combustion and a second connection port that is connected to the other end of a second supply air pipe facing outdoors. CONSTITUTION:To a blower chamber C for combustion which is connected to a combustion chamber B of a hot air space heater H of forced gas charge and discharge type one end of a first supply air pipe is connected, and to the other end a combustion air regulating device A is connected. To this combustion air regulating device A a second supply air pipe 2 is connected, and in a damper chamber 3 the first connection port 32 that is connected to a first supply air pipe 1 and a second connection port 33 that is connected to a second supply air pipe 2 are provided. In the damper chamber 3 a cylinder 4 and a piston 5 are provided, and at the outside an operation lever 6 which rotates a cylinder 4 and piston 5 relatively and a solenoid 7 which moves a cylinder 4 and the piston 5 relatively in the axial direction are provided. The cylinder 4 covers a first connection port 32, and on its outer circumference an open section 42 is formed which allows the air to flow.
Patent JP-S648503-A (JP)
Title: Composite magnetic head
Inventor: IKEDA YOSHITO
IPC: G11B5/23
Filed: 1987-06-30
Abstract: PURPOSE:To obtain a composite magnetic head which has less waving in reproduction characteristic by previously incorporating a slight amt. of oxygen into thin soft magnetic metallic films near the joint boundary faces thereof so that the reducing power of the thin soft magnetic metallic film is decreased. CONSTITUTION:Respective magnetic core half bodies I, II are roughly divided to auxiliary core parts 2, 3 consisting of magnetic oxide materials such as Mn-Zn ferrite and the thin soft magnetic metallic films 4, 5 to constitute main core parts consisting of soft magnetic alloy materials having a high saturation magnetic flux density. The oxygen is introduced into the thin soft magnetic metallic films in at least the parts thereof in contact with the magnetic oxide materials. The migration of the oxygen from the magnetic oxide materials to the thin soft magnetic metallic films 4, 5 is, therefore, suppressed even at the time of, for example, a glass welding stage and the formation of reaction layers is suppressed. The generation of a pseudo gap is thereby prevented and the waving of the frequency characteristics at the time of recording and reproducing is obviated.
Patent JP-H0271525-A (JP)
Title: Manufacture of semiconductor device
Inventor: SATO AKIRA
IPC: H01L27/082
Filed: 1988-06-30
Abstract: PURPOSE:To contrive improvement in the current amplification factor of an L-pnp Tr by a method wherein p-type impurity ions are implanted into the poly Si layer on an emitter region after a poly Si isolated oxide film has been formed so that the p-type impurities on the emitter region of the L-pnP Tr will not be diffused. CONSTITUTION:An isolated insulating layer 2 is formed on the element isolation region located on an n-Si substrate 1, and a p-type emitter region 1E and a p-type collector region 1C are formed by introducing impurities from the surface of the substrate. Then, an SiO2 layer 3 is formed on the substrate by thermal oxidization, and a contact window is perforated on the emitter region 1E and the SiO2 layer 3 located on the collector region 1C respectively. Subsequently, the contact windows are covered, and a poly Si layer 5 is grown on the whole surface of the substrate. Then, SiO2 layers 5A and 5B are formed respectively as isolation layers by selectively conducting thermal oxidization. Then, boric ions B<+> are implanted on the poly Si layer 5 located on the emitter region 1E, a prescribed annealing is conducted, and a p<+> type high density region 1EE is formed. As a result, a stabilized high hFE L-pnp Tr can be obtained.
Patent JP-H09327105-A (JP)
Title: Running method for electric vehicle and electric vehicle
Inventor: KIMURA MASAO
IPC: B60P1/02
Filed: 1996-06-05
Abstract: PROBLEM TO BE SOLVED: To obtain a running method in which a prescribed high running speed is ensured when an empty electric vehicle is run on a flat road or the like by a method wherein a driving torque at a prescribed value or higher is required, the driving force of high-torque driving wheels is made effective and, when the driving torque is not required, the driving force of the high-torque driving wheels is made invalid so that the vehicle can be run by the driving force of only low-torque driving wheels. SOLUTION: A driving motive force from a motor 30 is transmitted, via an electromagnetic clutch 32, to a central differential gear 34 in the right and left directions, and it is distributed to right and left axles 36 from the differential gear 34 so as to be transmitted to high-torque driving wheels 22. Then, a loaded electric vehicle is started on a steep slope, the electromagnetic clutch 32 is engaged, and the rotating motive force from the motor 30 is transmitted to the driving wheels 22.  In addition, when an empty electric vehicle is run at high speed on a flat road, the driving motive force from the motor 30 is transmitted, without the intermediary of the electromagnetic clutch 32, to a central differential gear 38 in the right and left directions, and it is distributed to the right and left axles 36 from the differential gear 38 so as to be transmitted to low-torque driving wheels 24.