baber/WOPTO huggingface dataset:
Patent JP-H08333305-A (JP)
Title: Tolan compound and liquid crystal composition containing the same
Inventor: NAITO TOMIJIRO
IPC: C07C255/55
Filed: 1995-12-21
Abstract: PURPOSE: To obtain a new tolan compound useful as a liquid crystal material that can make the nematic isotropic phase transition temperature and the optical birefringence of the liquid crystal composition high and can give high stability over a wide range of temperature, a wide angle of visibility, high contrast and a high response speed. CONSTITUTION: This compound is represented by formula I (R is H, a 1-10C alkyl; X, Z are each H, a halogen; Y is R, X, a 1-10C alkoxy, cyano), for example, 3,4-difluorophenyl 4-[2-(4-propylphenyl)ethynyl] benzoate. The compound of formula I is prepared by converting 4-bromobenzoic acid to 4-bromobenzoyl chloride using a halogenating agent such as thionyl chloride, allowing the acid chloride to react with a compound of formula II in an inert organic solvent to form a compound of formula III and effecting the reaction of the product with a compound of formula IV in the presence of triethylamine.
Patent JP-2001155109-A (JP)
Title: Pen type barcode reader
Inventor: SUGINO TADAAKI
IPC: H01L31/0232
Filed: 1999-11-24
Abstract: PROBLEM TO BE SOLVED: To brighten the irradiation light to a barcode surface, to narrow the diameter of a restriction in a light receiving system, to further reduce the outdoor daylight, inner reflection of a cylinder, etc., in order to increase a floatation distance and to read a thin barcode and to solve such problem that the cost is increased due to fiber processing and complicated mounting structure even through an optical unit can effectively a barcode surface irradiated with a small quantity of light loss because many fibers 23 are arranged annularly around the periphery of a light receiving element. SOLUTION: This reader is provided with two light emitting elements located symmetrically to the center, a light guide guiding light from each of the two light emitting elements, a barcode surface reflecting light radiated from the light guide, a lens converging light reflected from the barcode surface, a member where the inner diameter of the cylinder guiding the reflected light is of a tapered shape in an expanding direction and the light receiving element receiving light through the lens and the cylindrical member.
Patent JP-H11147234-A (JP)
Title: Manufacture of fiber reinforced plastic molded item with pattern
Inventor: ARAKI NOBORU
IPC: B29K105/08
Filed: 1997-11-19
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a molded item wherein a joint being a recess in solid color and a pattern layer are formed on a curing type resin, particularly an FRP molded item, in such a manner that the joint is in conformity with the pattern layer. SOLUTION: An uncured material 7 of an FRP, a joint frame 30, a pattern layer 3 of a transfer sheet 5, in which a protection layer 2 having peeling property and the layer 3 are provided on a base material film 1, are laminated between a molding dies 60, 61 and heated and pressurized to mold them into a single body, and then the film 1 and the frame 30 are removed to manufacture an FRP molded item 71.
Patent JP-H03193535-A (JP)
Title: Boarding device for tractor
Inventor: YOSHINO MASAHIKO
IPC: B60N2/38
Filed: 1989-12-22
Abstract: PURPOSE:To put on a fair outside appearance without being exposed to danger even if a driver's body is protruded from the vehicle body, and to enable a space part to be utilized as a housing part by erecting a splash-preventing board for preventing the splash from the front wheels at the floor front end part ranging from the lower part of a driver's seat to the front, and by forming a space between the extended part where a floor mat is extended along the splash-preventing board and the splash- preventing board. CONSTITUTION:Ranging from the rear part between fenders 10, 10 to the end part of a hood 8, a box-shaped floor 2 consisting of both upper and lower branch parts 2a, 2b and a front branch part 2c is formed. In the front end part of the upper plate 2a, a splash-preventing board 4 consisting of a fitting seat part 4a tightly connected on the front end part by means of bolts 11, a splash-preventing part 4b bent upward from the front end of the fitting seat part 4a so as to be extended from the front branch part 2c, and a bent part 4c bent rearward from the upper end of the splash- preventing part 4b is formed. In the front end part of a floor mat 5 laid on the upper plate 2a, an engaging part 5b for insertedly engaging with the rear periphery of the bent part 4c of the upper end part is provided, and also an extended part 5a forming a space part S along the splash-preventing part 4b is provided.
Patent JP-H01178944-A (JP)
Title: Flashing device
Inventor: MOTOMURA KANEYUKI
IPC: G03B15/05
Filed: 1987-12-29
Abstract: PURPOSE:To use auxiliary lighting equipment without equipping a synchronizing terminal by providing a photodetecting circuit which detects the light emission of a flashing device built-in a camera and outputs an electrical signal and a responding circuit starting light emission in response to that. CONSTITUTION:When a light emitting window 23 in an outwardly fitted flashing device 21 emits light in response to camera release, a light receiver 24 for optical interlocking detects the light emission, and the responding circuit provided for the outwardly fitted flashing device 21 responds to an output signal from the light receiver 24, and instructs a light emitting part 26 to emit light. Consequently, even a miniaturized camera incorporating a flashing device can make the outwardly fitted flashing device 21 emit light when it covers the shortage of light emitting quantity or needs lighting such as bouncing light emission. Thus, the title device can be used by a miniaturized camera not having a synchronizing terminal, and it is very convenient as auxiliary lighting equipment.
Patent JP-H10189788-A (JP)
Title: Fabrication of npn transistor by bicmos technology
Inventor: GRIS YVON
IPC: H01L29/10
Filed: 1997-11-19
Abstract: PROBLEM TO BE SOLVED: To regulate the parameters of a transistor accurately and independently from fluctuation of fabrication parameters by making an opening into art epitaxial layer at a size and depth at least equal to the thickness of a thick oxide. SOLUTION: An opening is made into an epitaxial layer 101 at a size and depth at least equal to the thickness of a thick oxide layer 102. A doped base is formed in several levels on the periphery and the bottom of the opening. More specifically, base of the transistor is formed of three adjacent P type regions, i.e., a first P type doped base region 117 formed on the bottom of the opening, a second P type doped base region 115 formed on the side face of the opening and a third sufficiently P doped region 112 formed closely to the upper part of the opening. Doping level of a intrinsic base region 114 can be set as desired.
Patent JP-H03195108-A (JP)
Title: Semiconductor integrated circuit
Inventor: EMORI FUMIAKI
IPC: H03F3/19
Filed: 1989-12-22
Abstract: PURPOSE:To electrically switch the electric constant of a matching circuit by composing the matching circuit from plural divided microstrip lines and a switching FET. CONSTITUTION:A field effect transistor Q1 formed on the main surface of a semi-insulated compound semiconductor substrate, and matching circuits 1 and 2 facing to it are provided. In the matching circuit 1, plural divided microstrip lines 4a and 4b are provided and a switching transistor is provided so that a gate electrode can be connected to an external terminal and the microstrip line 4a as one part of the plural divided microstrip lines can be short-circuited in the manner of a high frequency. Further, a switching transistor Q3 is provided so that the gate electrode can be connected to the external terminal and the microstrip line 4b as one part of the plural divided microstrip liNes can be interrupted from the other part 4a. Thus, function can be switched corresponding to the circuit state of a device, to which an MMIC is integrated, and mass productivity is improved and cost is cut.
Patent JP-H07202896-A (JP)
Title: Satellite communication system
Inventor: SAKAI TOSHIKI
IPC: H04L12/28
Filed: 1993-12-28
Abstract: PURPOSE:To obtain stable communication by using the slot aloha system so as to provide privilege procedure to re-transmission data in the satellite communication system of common access channel. CONSTITUTION:In the satellite communication network in which a master station C and plural slave stations R are connected as a star, a common access channel via the satellite S is used to allow plural slave stations R to access the master station C at random. When a re-transmission number of times exceeds a threshold level, the transmission power of the transmission packet is increased by each slave station and the master station receives a transmission packet from s slave station with a high signal intensity with priority. Furthermore, each slave station has a counter storing number of re-transmission packets having no acknowledge from the master station and when the count exceeds a threshold level, data are only subject to buffering and the transmission is suppressed till the count reaches a threshold level or below to avoid the congestion.
Patent JP-2001152459-A (JP)
Title: Slope stabilizing construction method
Inventor: YAMAMOTO AKIRA
IPC: E02D5/80
Filed: 1999-11-25
Abstract: PROBLEM TO BE SOLVED: To sharply reduce construction cost by sufficiently obtaining the removal effect of groundwater. SOLUTION: When a hollow pipe body 16 is installed into a drilled pit 24, a grout material 22 is injected, and the front end side of the hollow pipe body 16 is anchored into a ground 14. An anchor plate 28 is mounted on the head section of the hollow pipe body 16, an anchor nut 30 is screwed to the hollow pipe body 16, and the hollow pipe body is fixed onto the surface of a slope 10. Since the front end side is set up under an inclined state so as to be positioned at a section upper than the head-section side in the hollow pipe body 16 driven into the ground 14, and the hollow pipe body has a water- permeable drainage material 18 fitted on an outer circumference and collecting holes, groundwater in the ground 14 is taken into the hollow pipe body 16 via the drainage material 18 and the collecting holes, flows down in the hollow pipe body 16 and is discharged to the outside.  The anchor 12 has a function in which the anchor combines the prevention reinforcing works of the ground 14 and groundwater drainage works.
Patent JP-H01172222-A (JP)
Title: Production of superconducting thin film
Inventor: KITA RYUSUKE
IPC: C01G1/00
Filed: 1987-12-26
Abstract: PURPOSE:To obtain a stable superconducting thin film which attains superconducting state at a temp. above the b.p. of liquid N2 by heat-treating a thin film of an oxide such as Y-Ba-Cu-O, etc., deposited on a substrate and having perovskite structure, in O2 plasma. CONSTITUTION:A material 4 for evaporation consisting of an alloy formed from at least one element among Sc, Y, and lanthanoids, at least on kind among Ca, Sr, and Ba, and Cu; or an oxide contg. the above-described elements, is evaporated with an electron beam 9, and the vapor is passed through O2 plasma, and deposited to a substrate 1 to which an electric voltage is applied, forming thus as oxide thin film 8 having perovskite structure. After annealing the thin film 8 at a fixed temp. in O2 plasma, the product is cooled as it is exposed to the O2 plasma.
Patent JP-H09175517-A (JP)
Title: Forming method of tear line of packaging laminate layer or mono layer film and easily unsealable film packaging bag
Inventor: YAMAZAKI TAKAYUKI
IPC: B65D65/30
Filed: 1995-12-22
Abstract: PROBLEM TO BE SOLVED: To easily obtain a laminated layer or a mono layer film made of a synthetic resin for an easily unsealable film packaging bag requiring a barrier peoperty, by applying ultrasonic oscillation from the front surface or the rear face of the film along the transfer line and forming a grooved tear line with the heat generated by the oscillation. SOLUTION: Ultrasonic wave generators 4, 4 by magnetic strain oscillators are provided on the device frame so as to be finely adjustable in the vertical direction, right above the inside of both straight line edges of a belt-form film 1' cut off by a slitter at the winding back line L. An inverted conical horn 4' is provided under the oscillator. The belt-form film 1' is stuck by the lower end of horn 4' to get into contact therewith. The lower face of the belt-form film 1' is supported by a base plate 8. In this constitution, the front surface or the rear surface is molton by the friction heat of the horn 4' in the ultrasonic wave oscillation and the film 1' to form continuous grooves with heaved parts at both sides. And straight tear lines 2 are formed parallelly to both edgs of the film 1' and wound up by a narrow paper tube.  This belt-form film 1' are superposed with each other at the upper and lower sides of the packaging film.
Patent JP-H04203754-A (JP)
Title: Warm air heater
Inventor: YASUI SHIGEAKI
IPC: F24H3/04
Filed: 1990-11-29
Abstract: PURPOSE:To heat an indoor floor surface with high efficiency and to improve a heating feeling by a method wherein a louver to vary downward the flow of discharge hot air is located to a hot air discharge port. CONSTITUTION:A louver 9 to vary the degree of the opening of a part of a hot air discharge port 5 is arranged in a hot air discharge port 5 in a convection duct 7, and is rotated according to an operation state to control the discharge state or the discharge direction of a flow of air passing through the convection duct 7. The louver 9 closes approximate the upper half of the hot air discharge port 5 when a part of the hot air discharge port 5 is closed and is opened toward the outside in a manner to adhere to the upper end surface of the hot air discharge port 5 when the hot air discharge port 5 is opened. Further, to discharge hot air discharged through the hot air discharge port 5 toward an indoor floor surface, a half-opening state where the hot air discharge port is opened only approximately in a 45 deg. arc is produced, and an indoor floor surface temperature is increased. During the initial stage of operation in which the interior of a room is entirely cooled, a further excellent heating feeling can be produced for a user.
Patent JP-2000161022-A (JP)
Title: Tappet for internal combustion engine
Inventor: ABE SEI
IPC: F01L1/14
Filed: 1998-11-26
Abstract: PROBLEM TO BE SOLVED: To secure a cam receiving plate on the top surface of a tappet body with ease while making a valve clearance adjustable without using joining means such as welding. SOLUTION: A female screw hole 6 is vertically passed through and opened in the center of the top wall 5a of a tappet body 5, and also an upwardly recessed topped female screw hole 9 having diameter equal to the female screw hole 6 and communicated therewith is formed in the center of the lower surface of a cam receiving plate 8. The topped female screw hole 9 of the cam receiving plate 8 is screwed around a projected end part projected form the top surface of the top wall 5a on a screw lever 7 vertically movably screwed around the female hole 6 from the lower part thereof so that the cam receiving plate 8 can be brought into pressure contact with the top surface of the top wall 5a.
Patent JP-2000160506-A (JP)
Title: Conveying device for asphalt compound material
Inventor: FUJITA YASUHIKO
IPC: E01C19/08
Filed: 1998-11-26
Abstract: PROBLEM TO BE SOLVED: To heat a conveying bucket with a simple constitution, and to facilitate the maintenance thereof. SOLUTION: A heater 23 is arranged in the circumferential wall of a bucket 9, and the heater 23 is provided with fixed electrodes 25 for receiving the supply of heating power. Further, each of movable electrodes 34 for supplying electric power is horizontally movably arranged to a cylinder 26 via a coil spring 33 so as to face to the surface of the fixed electrode 25 of the bucket 9 in the standby position of the bucket, while the bucket 9 is stopped in its standby position, the cylinder 26 is extended so that the movable electrode 34 is buttingly brought into contact with the fixed electrode 25. At that time, the movable electrode 34 is brought into contact at a proper pressure while absorbing the shock of contact by the coil spring 33.  When the respective movable electrodes 34 are brought into the fixed electrodes 25, power is supplied to the heater 33 for heating the bucket 9 up to an appropriate temperature.
Patent JP-H01175455-A (JP)
Title: Document reader
Inventor: KAWACHI MASAFUMI
IPC: H04N1/04
Filed: 1987-12-29
Abstract: PURPOSE:To obtain a satisfactory image signal without exerting an influence of a noise of a driving circuit on an analog processing circuit by placing the driving circuit and the analog processing circuit by separating them from each other, on both sides of an image sensor of a substrate provided with an adherence type image sensor. CONSTITUTION:An unmagnification image forming element 6, an infrared-ray absorbing filter 13 and an adhesion image sensor 7 hold both side parts running along their longitudinal direction (the main scanning direction of a document 3). By a holding member 201 consisting of 201a and 201b which have been formed by a conductive material such as aluminum, etc., the mutual positions are held so as to keep a relation which has been set in advance. This holding member 201 is provided on a substrate 202 which has been supported so as to hold prescribed height through a spacer 14 against a moving body 9. On this substrate 202, a driving circuit 100 for driving the image sensor 7, and an analog processing circuit 110 for processing an electric signal outputted from the image sensor 7 are placed by being separated into both side parts of the image sensor 7, and both these circuits 100, 110 and the image sensor 7 are connected to each other when a foot 203 of the image sensor 7 is installed in the substrate 202.
Patent JP-H04208001-A (JP)
Title: Motor drive circuit
Inventor: SHIBATA AKIRA
IPC: B60L3/00
Filed: 1990-11-30
Abstract: PURPOSE:To facilitate detection of undervoltage by connecting constant voltage elements and LEDs in parallel on the input sides of right and left MOSFETs in a bridge circuit having floating high voltage side thereby detecting drive voltages individually by means of a light receiving diode and a resistor. CONSTITUTION:Output from a high frequency power supply 22 is transformed through high frequency transformers 7, 8 and full-wave rectified 9, 10 to produce DC power which is fed through transistors Tr 11, Tr 12 to right and left MOSFETs 1A, 1B on the high voltage side of a floating bridge circuit. LEDs 29A, 30A in a photocoupler are actuated by means of constant voltage elements 25, 26 and resistors 27, 28 according to DC output voltage at that time. Emitted light is detected through phototransistors 29B, 30B in the photocoupler and fed to a comparator 32 where it is compared with a reference level V<+>. According to the constitution, insufficient drive voltage can be detected easily and breakdown due to undervoltage can be eliminated.
Patent JP-H02221671-A (JP)
Title: Method and device for mounting injection pump on internal combustion engine
Inventor: GERUHARUTO GAIAA
IPC: F02M65/00
Filed: 1989-12-26
Abstract: PURPOSE: To facilitate the assembly work of a pump by marking an attached position of a discharge amount adjusting member at an adjustment point adjusted by the adjustment of the discharge amount adjusting member relatively for a pump casing using a marking pin of a marking device. CONSTITUTION: When an injection pump is mounted, the injection pump including a pump casing 11 is first inserted into a receive hole 34 of a test pedestal 10, and a discharge amount adjusting member 20 is held in the test pedestal 10 by a taking part 39 of an adjusting rod 35 corresponding to a control rod of an internal combustion engine itself so as to adjust. Next, the pump is driven to measure its discharge amount, and a rotation position of the adjusting member 20 is adjusted so that it coincides with a target discharge amount. Then, this adjusting member 20 is held immobile, and a marking part 37 is mounted on a link arm 22 of the adjusting member 20 by a marking device 40. After that, a positioning pin 32 is inserted into a long hole 36 of the pump casing 11 and is engaged with the marking part 37 by a predetermined pressing force to fix the adjusting member 20.
Patent JP-H11167163-A (JP)
Title: Projection type picture display device
Inventor: HATAYAMA ATSUSHI
IPC: G02F1/13
Filed: 1997-12-05
Abstract: PROBLEM TO BE SOLVED: To provide a projection type picture display device obtaining a highly accurate picture where a black matrix is hardly seen and whose picture element density is double by using an inexpensive liquid crystal panel whose number of picture elements is small. SOLUTION: This display device is provided with a color light separating means to separate light from a light source part into three color light beams, a modulating means provided with a liquid crystal light valve 5 executing picture display by modulating a polarized light beam incorporated in respective luminous fluxes, a color light synthesizing means synthesizing a modulated luminous flux and a projection lens 8 enlarging and projecting a synthesized luminous flux on a screen,  and is also provided with a rotary polarization control liquid crystal panel 6 controlling non-rotary polarization or 90-degree rotary polarization by the half of the field cycle or the field cycle of a video signal on the side of the color light synthesizing means between the color light synthesizing means and the projection lens and a double refraction optical element 7 branching a non-polarized incident light beam into an ordinary ray or an abnormal ray on the side of the projection lens.
Patent JP-H10165444-A (JP)
Title: Wheelchair
Inventor: ENOMOTO YASUO
IPC: A61G5/02
Filed: 1996-12-16
Abstract: PROBLEM TO BE SOLVED: To enable to improve safety of a wheel chair, by equipping a lighting means to light an environment in running to enable a wheelchair to run in a dark environment. SOLUTION: A lighting 1 is to enable a wheelchair to run in a dark environment. By lighting an environment during wheelchair running, the safety of running is improved and it makes people in the environment recognize wheelchair running and improves the safety of wheelchair running by lighting the environment. A voice synthesizing speaker 3 improves safety of people around by the voice from the speaker 3 in fear of danger when a person who cannot call loudly, such as the aged, etc., is operating the wheelchair. Further, a horn 4 improved safety of people around by generating alarm sound.
Patent JP-H05167034-A (JP)
Title: Capacitor and manufacture thereof
Inventor: HIZUYA KENICHI
IPC: H01L27/108
Filed: 1991-12-19
Abstract: PURPOSE:To obtain a method of forming a storage electrode structure with an effective surface area in regard to a method manufacturing a cell storage capacitor. CONSTITUTION:A capacitor is constituted into such a structure that it is formed of a storage electrode 2, the upper surface of which or at least one side of the sidewalls of which has a comb-teeth type form with a plurality of recesses and projections, a dielectric film 3 formed in such a way as to cover the upper surface and side surfaces of the electrode 2 and a counter electrode 4 formed in opposition to the electrode 3 via the film 3 on a semiconductor substrate 1.