baber/WOPTO huggingface dataset:
Patent JP-H06125141-A (JP)
Title: Semiconductor quantum well optical element
Inventor: CHO TAKESHI
IPC: B82Y20/00
Filed: 1992-12-08
Abstract: PURPOSE:To provide a semiconductor quantum well optical element of such a strain quantum well structure as to have an optically bistable effect as large as possible while the light absorptive characteristics of a blue shift is held. CONSTITUTION:In a semiconductor quantum well optical element formed with a strain quantum well structure, wherein two kinds of compound semiconductor layers A and B {a(A)>a(B), Eg(A)<Eg(B)}, which respectively have different lattice constants (a) and different energy band gaps (Eg), are alternately made to laminate in the orientation [111] on a compound semiconductor substrate 10 with the main surface which is the face (111), the layers A are used as well layers 12 and the layers B are used as barrier layers 11, the barrier layers B are formed thicker than a critical film thickness in a relaxation of a strain in the layers B, are strained in such a way that they are pulled in the directions parallel to crystal growth faces and the well layers A are strained in such a way that they are compressed in the directions parallel to the crystal growth faces by a partial relaxation of the strain confined in the barrier layers B.
Patent JP-H06174555-A (JP)
Title: Detecting apparatus for time lag of light signal
Inventor: NAKANO HIDETOSHI
IPC: G01J11/00
Filed: 1992-12-08
Abstract: PURPOSE:To highly accurately detect the time lag of light signal pulses and reference signal pulses by detecting the projecting position of an output light from a nonlinear optical medium where a mutually correlated light of the signal light pulses and the reference chirp light pulses enter. CONSTITUTION:Optical pulses of a coherent light of the time sharing multiplex optical communication enter a terminal 1. Optical pulses of a chirp light the frequency of which is changed in proportion to the time enter a terminal 2. A lens 9 generates a mutually correlated light of the optical pulses of the chirp light and the coherent light. The mutually correlated light is brought into a nonlinear optical medium 3 which is a nonlinear optical crystal. A projecting position detecting part 4 detects the projecting position of the nonlinear light output from the optical medium 3. A time difference detecting part 5 detects the data of the time difference from the detected outputs of the detecting part 4. The data of the time difference includes the amount and the direction of the time difference. The optical pulses of the chirp light are obtained by guiding ultrashort optical pulses of high peak power from an ultrashort pulse light source 7 through an optical fiber 8 of a suitable length.
Patent JP-H10174306-A (JP)
Title: Charging circuit for secondary battery
Inventor: SHIOJIMA NOBUO
IPC: H01M10/44
Filed: 1996-12-09
Abstract: PROBLEM TO BE SOLVED: To easily charge an alkaline secondary battery to the fully charged state without over-charging the battery nor receiving any influence from the ambient temperature by controlling the charging current to the battery when it is detected that the terminal voltage of the voltage drops by a prescribed value from the maximum value while the battery is charged. SOLUTION: When the terminal voltage VB of a battery 1 is lower than a set value, the battery 1 is charged with a constant current and, when the terminal voltage VB rises and reaches the set value, the battery 1 is charged with a constant voltage so that the terminal voltage VB can be maintained at the set value. The battery l is connected with a -ΔV detecting circuit 4 which monitors the terminal voltage VB of the battery 1 and, when the voltage VB drops by a prescribed value (ΔV) from its peak value after reaching the peak value in the last stage of charging, generates a detecting signal. The output of the circuit is supplied to the control input terminal of a switching element 2 which is turned off when the circuit generates the detecting signal.
Patent JP-H02173907-A (JP)
Title: Recording and reproducing magnetic head
Inventor: OTA TOSHIHIKO
IPC: G11B5/127
Filed: 1988-12-26
Abstract: PURPOSE:To perform recording and reproducing at the same point and to improve the recording efficiency by using a coil wound around a substrate including a ferromagnetic thin film part. CONSTITUTION:When an external magnetic field is applied from a magnetic recording medium is directions of arrows A1 and A2, the resistance change of a magneto-resistance effect type thin film part 29 is detected by lead wires 31 and 32 and a magnetic head is used as the reproducing head. When the magnetic head will be used as the recording head, a signal current flows to a coil 30 to generate a magnetic field from the front end of the magneto- resistance effect type thin film part 29 in directions of arrows A1 and A2, and information is recorded on the magnetic recording medium. The signal current flows to a coil 30 wound around the substrate in this manner to excite conductive soft magnetic body layers 22 and 23, and the generated magnetic field is concentrated to the ferromagnetic thin film part 29 to record information. The resistance change due to the external magnetic field is detected from conductive soft magnetic body layers 22 and 23, and thereby, the magnetic head functions as the reproducing head.
Patent JP-H11156089-A (JP)
Title: Drain hose attaching structure and drain hose fixing tool for washing machine
Inventor: BABA GIICHI
IPC: D06F39/08
Filed: 1997-11-28
Abstract: PROBLEM TO BE SOLVED: To prevent the breakage of a drain hose by fixing the middle part of the drain hose housed in a housing of a washing machine in a plane view to a housing bottom inside of the housing at the time of connecting the exit of the drain hose of the washing machine to a drain equipment positioned just under the washing machine. SOLUTION: At the time of draining by installing the washing machine just over the draining equipment, the exit of the drain hose 9 housed the housing 1 is connected to the drain equipment such as a drain E or the like just under the housing 1 and, at this time, a fixing structure T for housing and fixing the hose 9 in the housing 1 is provided. This structure T consists of a fixing member 20 housing and fixing the hose 9 within the housing 1 and a guiding out hole 1d formed at the lower part of the side surface of the washing machine for taking out the hose 9 to outside at the time of normal draining. Then, the member 20 is surely fixed to the housing 1 by a housing engaging part and the hose 9 is surely fixed by a hose holding part.
Patent JP-H03190154-A (JP)
Title: Forming device
Inventor: KITANO KENJI
IPC: H01L23/50
Filed: 1989-12-19
Abstract: PURPOSE:To prevent stress from acting on the root of an outer lead at the ejection of a semiconductor device from a forming device by a method wherein a package ejector, which not only forms the outer lead into a prescribed stepped shape but also pushes up a package to eject when a formation process is finished, is provided. CONSTITUTION:A package 2 of a semiconductor device 1 is set onto the package ejector 4 of a forming device, and the package ejector 4 and a lead tip ejector 5 are made to descend until they stop at a position where a fixed forming die 6 and the package ejector 4 are level with each other. A movable forming die and a pressing member are made to descend inter locking with the above components and fitted into the fixed forming die 6 to form an outer lead 3 pressing down it. Thereafter, the movable forming die and the pressing member are made to ascend, a plate 7 is pushed up by a coiled spring 8, the package ejector 4 and the lead tip ejector 5 are made to ascend to push up the package 2 and the tip of the outer lead 3 concurrently, and thus the semiconductor device 1 is ejected from the forming device.
Patent JP-H08172825-A (JP)
Title: Longitudinal feeder for seedling tray
Inventor: KURANO JUNJI
IPC: A01C11/02
Filed: 1994-12-28
Abstract: PURPOSE: To provide a feeder designed to make longitudinal feed accurate along with enabling longitudinal feed levels to be changed in response to a seedling tray of simple structure with two kinds of interpot pitch. CONSTITUTION: A driving link 80 is connected via an one-way clutch 79 to the transverse shaft 75 of the wheel 77 to longitudinally feed a seedling tray 41, and the seedling tray 41 is intermittently feed longitudinally pitch by pitch by swinging the driving link 80 within a specified angle. This longitudinal feeder having the above-mentioned scheme stands equipped with a means 4 to regulate the revolution initiation position of the driving link 80 to enable the swinging angle of the driving link 80 to be changed while the revolution terminal end position is fixed, thus simplifying the scheme of a rotary driving force-acting mechanism 3 for the driving link 80.
Patent JP-H10152803-A (JP)
Title: Woody brick laying frame
Inventor: YOSHIMOTO KUNIAKI
IPC: E01C5/14
Filed: 1996-11-26
Abstract: PROBLEM TO BE SOLVED: To improve the working property by providing a fixing part and fixing recessed part for fixing a frame to a laying surface and a male and female connecting part for mutually connecting the frame bodies on the circumferential wall of the frame body. SOLUTION: In one longitudinal end part of the adjacent circumferential wall of a substantially square frame body in plan view, a connecting male part 15 is protruded outward in a position higher than the bottom surface of the circumferential walls by a prescribed dimension, and a fixing part 16 is provided on the other end. A connecting female part 17 corresponding to the male part 15 and a fixing recessed part 18 corresponding to the fixing part 16 are provided on the other adjacent circumferential wall. In construction, a laying frame W1 having woody bricks 14 mounted thereon is fixed to a laying surface R by the fixing part 16 by use of a concrete screw 22.  Then, the female part 17 of a laying frame W2 is fitted to the male part 15 of a laying frame W1, and the fixing part 16 of the laying frame W1 is situated within the recessed part 18 of the laying frame W2, the fixing part 16 of the laying frame W2 is fixed to the laying surface R by the screw 22. Thus, this laying frame can be generally applied to various laying surfaces, the connection and fixation are facilitated, and the laid state can be stabilized for a long period.
Patent JP-H06171765-A (JP)
Title: Constant quantity feeder
Inventor: YOSHIKAWA OSAMU
IPC: B65G47/16
Filed: 1992-12-09
Abstract: PURPOSE:To provide a constant quantity feeder which has a high feeding precision and can accommodate even the powder material having the deteriorated fluidity into a continuous weir, besides the powder material having the excellent fluidity, and can accommodate a constant quantity continuously and uniformly. CONSTITUTION:The inner and outer cylinders 1 and 2 having the center line (c) in common are installed, and a gap (t) is formed between the bottom plate 3 of the outer cylinder 2 and the lower edge of the inner cylinder 1, and a ring shaped transport space 9 for the powder material (e) is formed between the inner and outer cylinders 1 and 2. An outer peripheral revolution ring 8 which is installed along the inner periphery of the outer cylinder 2 is connected at the top edge of a center rotary blade 11 installed on an erection rotary shaft 13 which is projectingly installed at the center part of the bottom plate 3, and a plurality of outer peripheral rotary blades 12 directed to the inside are installed on the ring 8. With this constitution, a mechanism for discharging the powder material (e) outside the machine from the transport space 9 has a rotary disc 4 having the upper surface on the same plane to the upper surface of the bottom plate 3, and a powder material discharge groove 6 which is concentric to the disc 4 is formed on the upper surface of the disc 4, over the whole of the inside and outside of the outer cylinder 2.
Patent JP-H06176540-A (JP)
Title: Magnetic disk device
Inventor: OZAKI AKIRA
IPC: G11B25/04
Filed: 1992-12-09
Abstract: PURPOSE:To prevent the direct contact between a magnetic disk and a magnetic head and to improve durability by filling lubricative liquid into a hermetic type head disk assembly. CONSTITUTION:The magnetic disk 1, a rotating mechanism 2, a head positioning mechanism 4 and a hub mechanism 3 are mounted to a hermetic container 5 and liquid perfluorooctane 6 for filling is injected from a liquid injection part 7 into the hermetic container until the container is filled full with the liquid. As a result, the filled liquid is interposed between the magnetic disk and the magnetic head and prevents the direct contact of both, thereby suppressing the wear. Liquid flow is generated by the rotation of the magnetic disk in the same manner as for the air flow, by which buoyancy is given to the magnetic head. Then, the durability of the magnetic disk is improved. The wear of the magnetic film is further prevented and the durability is improved by forming the liquid lubricating film on the surface of the magnetic disk.
Patent JP-2000155290-A (JP)
Title: Illuminator and projection type display device using the same
Inventor: KARASAWA JIYOUJI
IPC: G02B19/00
Filed: 1998-11-19
Abstract: PROBLEM TO BE SOLVED: To provide an illuminator by which bright illuminating light whose illuminance is high is obtained by a comparatively smallsized optical system while maintaining the parallelism of an incident light beam to a surface to be radiated. SOLUTION: A luminous flux from a lamp 1 is paralleled by a reflector 2 and is made incident on a polarizing beam splitter 3. A P-polarized luminous flux transmitted through the polarizing beam splitter 3 and that reflected by the polarizing beam splitter 3 and polarized and converted by a 1/4 wavelength plate 4 and a reflection mirror 5 are composed by aligning an outgoing direction by a prism array 6, and are condensed in the vicinity of the incident plane of a glass rod 8 by a condensing lens 7. Then, illuminating information on the light-emitting surface of the glass rod 8 integrated and obtained by the internal reflection of the glass rod 8 is formed on a liquid crystal panel 10 by an image formation lens 9.
Patent JP-2001152228-A (JP)
Title: Method for blending main raw materials for converter
Inventor: NAKAMURA MASANOBU
IPC: C21C5/46
Filed: 1999-11-19
Abstract: PROBLEM TO BE SOLVED: To provide a main raw material blending method for a converter to calculate the tapping quantity and the tapping temperature from the converter with excellent accuracy, and blend the main raw material. SOLUTION: In the main raw material blending method for the converter to calculate the tapping quantity and the tapping temperature from the converter with excellent accuracy, and blend the main raw material, when the blending calculation of the main raw materials such as the molten pig iron, scraps and the cold pig iron is controlled by using a computer, the variables forming the prerequisites to calculate the heat balance and the iron balance in the case of blending the main raw materials such as the components and temperature of the molten pig iron charged in the converter, the brand and quantity of the sub raw materials charged in the converter, the brand and quantity of the charged alloy iron during the tapping from the converter, the tapping temperature, and the blowing out [C] are calculated not only by the main raw material blending calculation model,  but also at least three kinds of separate calculation models out of the calculation models to estimate each of the components of the molten pig iron charged in the converter, the temperature estimation, the calculation of the charged quantity of the sub raw material from the converter, the calculation of the charged quantity of alloy ores during the tapping from the converter, the tapping temperature estimation calculation, the blowing out [C] estimation calculation, the iron balance calculation and the heat balance calculation in the converter, and the tapping quantity and the tapping temperature from the converter are calculated with excellent accuracy to blend the main raw materials.
Patent JP-H07155764-A (JP)
Title: Device for producing acidic ionized water
Inventor: MATSUI TORU
IPC: C02F1/46
Filed: 1993-11-30
Abstract: PURPOSE:To keep the concentration of salinity in an aqueous mixture of salt water and water constant by adjusting current between both electrodes to be constant, performing a comparison between the measured value and the reference value of the current between both the electrodes, and controlling a water supply pump based on the compared value to control the quantity of supply of salt water. CONSTITUTION:In this device for producing acidic ionized water, salt water 10 stored in a salt water tank 9 is fed by a water supply pump 12 to a mixing chamber 4, where the salt water is mixed with city water fed from a city water pipe 1 through a water inflow pipe 2, and the obtained water mixture is fed to an electrolyzer 13. The electrolyzer 13 is provided with a pair of electrodes 15, 16 energized by an electrolysis power source 23, and the current between both the electrodes 15, 16 is adjusted to a constant by a control part 22. The control part 22 is provided with a comparing means 25 for comparing a voltage measured by a measuring means for measuring voltage between both the electrodes 15, 16 with a reference value to output the compared value. Based on the compared value, the pump 12 is controlled by a water supply pump control means 26 to adjust the feed quantity of salt water.
Patent JP-H09142817-A (JP)
Title: Production of particulate apatite hydroxide aqueous slurry
Inventor: TAMOTO YUKIYOSHI
IPC: C01B25/32
Filed: 1995-11-24
Abstract: PROBLEM TO BE SOLVED: To obtain a particulate apatite hydroxide aqueous slurry high in solid content concentration, relatively a little in aggregates, and long in precipitation half time by finely grinding an aqueous slurry containing the apatite hydroxide with a bead mill. SOLUTION: The aqueous slurry of calcium hydroxide is mixed and reacted with a phosphoric acid aqueous solution at a rate of 1-40g (P2 O5 )/min per kg of the calcium hydroxide to produce the aqueous apatite hydroxide slurry having a precipitation half time of <=38min, a CaO/P2 O5 weight ratio of 1.24-1.40, and a solid content of 9-20wt.%. The aqueous slurry is finely ground with a bead mill so as to extend the precipitation half time for 5min or longer in comparison with that of the slurry not ground, thus producing the particulate apatite hydroxide aqueous slurry having an average particle diameter of <=1.8μm.
Patent JP-H09167654-A (JP)
Title: Connector having ejector
Inventor: KIMURA AKIRA
IPC: H01R13/633
Filed: 1995-12-19
Abstract: PROBLEM TO BE SOLVED: To reliably discharge an IC card or the like from a connector in ejecting operation. SOLUTION: A collapsible type ejector to be installed in a frame of a connector is composed of a block 5, a lock 6 and a spring 7 to be pressed in the lock 6. The block 5 and the lock 6 engage with each other by a rotary shaft 52 and a rotary hole 62, and can relatively approach-separate and rotate, and a groove 53 and a projecting part 63 are fitted to each other by application of ejecting force, and are put in a nonrotatable state. At ejecting operation, a guide part 58 of the block 5 and a guide part of the lock 6 slide by fitting to each other. The lock 6 returns to a rotatable condition after ejecting force is removed by restoring force generated when projecting parts 71 and 72 molded on the tips of a pair of extending cantilevers of a spring 7 run on a taper part 59.
Patent JP-H11155557-A (JP)
Title: Cleaning device for rotary type solid culture apparatus
Inventor: FUJIWARA YOSHINARI
IPC: C12M1/16
Filed: 1997-12-01
Abstract: PROBLEM TO BE SOLVED: To provide a cleaning device for a rotary type solid culture apparatus having a structure in which a cleaning nozzle introduced from the opening of nozzles and a cover closing the opening are selectively set in position as an intermediate means between a direct attachment to the cleaning nozzle, which has been conventionally used, and a structure with an opening and closing cover. SOLUTION: A cleaning nozzle 3 is selectively positioned at cleaning openings 2 bored in a disc 1 in cleaning and a closing cover 4 is selectively positioned at a time except the cleaning. The cleaning nozzle 3 and the closing cover 4 are installed on the top of the disc 1 or below it. To be concrete, a cleaning water piping 5 connected to the plural cleaning nozzles 3 and the plural closing covers 4 is laid in the lower approximately radius direction of the disc. The cleaning water piping 5 is equipped with a cylinder 7 and the cleaning nozzles 3 or the closing covers 4 are positioned at the cleaning openings 2 by reciprocatively rotating the cleaning water piping 5.
Patent JP-2001145411-A (JP)
Title: Fruit harvesting robot for elevated cultivation
Inventor: ARIMA SEIICHI
IPC: A01G31/02
Filed: 1999-11-19
Abstract: PROBLEM TO BE SOLVED: To automatically carry out tending and harvesting operation of fruits such as strawberry, etc., in elevated cultivation, by a fruit harvesting robot. SOLUTION: In an elevated cultivation in which an oblong cultivation bed 1 for cultivating fruits by soil cultivation or hydroponics is arranged at a height position for a ready operation of operator, the fruit harvesting robot is characterized in that the operation robot 4 for carrying out the tending and harvesting operation along a guide rail 3 can be guided and moved in an internal space S of a bed frame 2 for supporting the cultivation bed 1 from the lower side.
Patent JP-H01101911-A (JP)
Title: Curling rod and method for making same
Inventor: DOMINIKU PUROWA
IPC: A45D2/18
Filed: 1987-12-28
Abstract: PURPOSE: To easily wind hair around a curl bar by forming the curl bar from a sponge-state object having almost closed holes, arranging line-shaped semirigid core inside and including the holes closing one part at least on the side face of this sponge-state object. CONSTITUTION: By mutually arranging and joining two bars at least with a slab member 1 composed of the sponge-state material having almost closed holes, a slender band-shaped body 4a having selected dimension and shape is cut so as to assemble a curl bar sponge body 4 having a polygonal lateral cross section. These band-shaped objects 4a are combined by sealing a covered or non-covered discontinuous wire 5 between the respective band-shaped objects 4a. Next, the respective band-shaped objects 4a are mutually integrated and the combination provided like this is lengthwisely cut so as to provide sections to respectively provide curl bars as desired. Thus, the curl bar facililating winding of hair can be prepared.
Patent JP-H10152174-A (JP)
Title: Buffer member for packing
Inventor: HIRAMATSU TOMIJI
IPC: B65D5/50
Filed: 1996-11-25
Abstract: PROBLEM TO BE SOLVED: To provide a buffer member for packing simple to assemble, easy to fed and inserted into both ends of a cubic box body to be fitted to the same packing into a main body housing box without using foamed styrol. SOLUTION: A buffer member for packing inserted into both ends of a thin cubic box body 500 to protect the box body from an impact is obtained by forming fold lines or semi-cutting lines to rectangular corrugated cardboard to bend said cardboard to form a member 100 having an almost horizontal U-shape cross-section so that the height H between upper and lower corrugated cardboard panels becomes almost same to that of the box body and a pair of slits are formed to the respective upper and lower corrugated cardboard panels so as to be mutually isolated by the width W almost same to that of the box body. Also a pair of members 200, 200 having an almost U-shape cross section having slits formed thereto so as to be isolated by the width almost same to the height H of the box body are formed by bending the corrugated cardboard panel and these slits are meshed with the slits formed to both ends of the member 100 having an almost U-shape cross section and the members 100, 200 are assembled so as to mutually cross at a right angle to obtain the buffer member for packing.