baber/WOPTO huggingface dataset:
Patent JP-H01219717-A (JP)
Title: Optical modulator
Inventor: FUJIWARA MASAHIKO
IPC: G02F1/015
Filed: 1988-02-26
Abstract: PURPOSE:To obtain the high-gain optical modulator which has a small spread spectrum and a wide modulation band at the time of modulation by performing n-type doping for the active layer of an LD optical modulator which is made of a semiconductor material and setting the composition wavelength of the active layer on a longer wavelength side than the wavelength of light to be modulated. CONSTITUTION:A semiconductor laser light amplifier is used as the LD optical modulator by modulating an implanted current and the wavelength lambdaS of the light to be modulated is 1.55mum. This optical modulator is constituted by forming an n-InP buffer layer 2, an InGaAsP active layer 3, an InGaAsP attachment back layer 4, and a p-InP clad layer 5 on an n-InP substrate 1 successively by a liquid crystal wavelength method and thus forming a LDH wafer. The band gap wavelength lambdag of this active layer 3 is set to 1.59-1.61mum, preferably, 1.6mum and the n-type doping is carried out by using Te. Thus, the high-gain optical modulator is realized which has the small spread spectrum and wide modulation band at the time of the modulation.
Patent JP-S55137514-A (JP)
Title: High magnification focus matching device
Inventor: NAKAMURA TAKAO
IPC: G03B13/26
Filed: 1979-04-12
Abstract: PURPOSE: To make possible rapid and accurate focus matching by eliminating focus detecting part from the center of the main image plane to make a clear finder and  appearing a high magnification distance measuring image within the same visual field as the main image plane at all times.  
     CONSTITUTION: The central part 3a of a main reflecting mirror 3 is made semi- transparent mirror and a small reflecting mirror 9 for distance measurement is provided behind the same cooperatively with the main reflecting mirror 3 and outside the photographing optical path, so that the luminous flux is imaged in a focus detecting part 10. This image is magnified through a distance measuring erecting prism 12 and distance measuring eyepiece lens 13 and a high magnification distance measuring image 14 is appeared at all times in the lower part of the main image plane. With such constitution, only the distance measuring part assigning frame shown by 4a is required for the central part of a focal plate 4 and the need for any focus detector such as split prism is eliminated. As a result of this, the high magnification image of 4W8 times appears always in the lower part of the main image plane and the focusing of high accuracy may be made simply by moving the visual line without detaching the eye from the finder image plane. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S60189221-A (JP)
Title: Manufacture of semiconductor device
Inventor: KUROYANAGI AKIRA
IPC: H01L21/3205
Filed: 1984-03-08
Abstract: PURPOSE:To plane step portions, by burying selectively the step portions such as electrode taking-out portions with low-resistance material by utilizing the difference of the etching rates of films, after the film nature is caused to change by employing heat-treatment with light or electron rays. CONSTITUTION:An insulating film such as an SiO2 film is formed on a semiconductor substrate 11 consisting of single crystal silicon, etc. and having source- drain areas 13, 14. After a thin film consisting polysilicon, etc. is formed, a high melting point metal such as Mo or W is ion-implanted (A). The high melting point metal doped thin film 17A is annealed by light irradiation with a laser or a lamp, etc., or by heat treatment or electron ray irradiation (B). The thin film 17A over the source-drain areas 13, 14 is epitaxial-grown by using the crystal plane of the areas 13, 14 as a seed, resulting in a single crystal thin film 18. Etching the surface, the thin film 17A which has a fast etching rate is removed and the thin film 18 which has a slow etching rate is left, to bury step portions such as electrode taking-out portions 15, 16 with low-resistance film material 19 to plane them.
Patent JP-S56142886-A (JP)
Title: Tin plating method for aluminum alloy
Inventor: SUZUKI YUKIHIRO
IPC: C25D5/30
Filed: 1980-04-08
Abstract: PURPOSE: To enhance close adhesiveness of a tin plating layer by a method wherein Cu is chemically plated on a surface of an electroconductive Al alloy and, thereafter, Cu is further plated electrically and the Sn plating is applied thereon in an alkali bath.  
     CONSTITUTION: In order to reduce contact resistance of the Al alloy used in an electroconductive part, the Sn plating is applied on a surface thereof. In this case, Cu is chemically plated on the surface of the Al alloy at first and, thereafter, a Cu plating layer is again formed by electroplating in a thickness of 10μ. Finally, the Sn plating layer is formed on the Cu electroplating layer in an alkali bath such as an Na bath or a K bath by electroplating. Thereby, the Sn plating layer which is not peeled even if heated at a high temp. and is excellent in the close adhesiveness is formed. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S62203976-A (JP)
Title: Distributor in internal combustion engine
Inventor: HIRATA AKIHIKO
IPC: F02P7/02
Filed: 1986-03-04
Abstract: PURPOSE:To stabilize the operation of an engine and prevent the generation of afterburning and the vibration of said engine by specifying the relation between each of the contact gaps to a fixed electrode and a movable electrode, of one part of cap side electrodes. CONSTITUTION:A fixed electrode 3 and a movable electrode 2 are provided up and down on a rotatable rotor head 1, and the movable electrode 2 is pulled by a spring 4. Both the electrodes 2, 3 are oppositely provided to the electrodes 5, 5' on the cap side of a distributor, and send a high voltage which is led y the central terminal 5 of the cap 7 side to the electrodes 5, 5' by means of a spark discharge, via a rotor head 1. And, the gap 11 between the end side of one electrode 5' and the fixed electrode 3 is made constant, while a notch 52 with a depth 13 is formed on the end side of the electrode 5' to make a gap 12 between the movable electrode 2 which is moved to the maximum and the electrode 5' smaller than said gap 11. Thereby, when an engine is overly rotated, only one electrode 5' is electrified to carry out reduction in the rotation of the engine with only a part of cylinders.
Patent JP-S62222733-A (JP)
Title: Frame synchronizing circuit
Inventor: HIROSE KUNIHARU
IPC: H04J3/06
Filed: 1986-03-04
Abstract: PURPOSE:To quicken the synchronizing restoration time in addition to the conventional synchronizing protection function by using a sequential filter to constitute a frame synchronizing circuit. CONSTITUTION:A frame synchronizing pattern is detected from an input signal by a pattern detector 13. A pseudo synchronizing pattern being a noise component is eliminated by a sequential filter 18 passing a frame period component fF of the synchronizing pattern only to extract the frame period component fF in an input signal and the component applies phase control to a frame counter 16. The frame counter 16 applies a synchronizing retrieval control by using the frame period component fF.
Patent JP-H01219041-A (JP)
Title: Composite powder for powder coating
Inventor: SUMIDA KEISUKE
IPC: C03C8/02
Filed: 1988-02-27
Abstract: PURPOSE:To improve the electrostatic coating property, deposition efficiency on a metal to be coated, and retainability after deposition of the subject powder without deteriorating the characteristic of a glazed surface by coating the surface of inorg. powder with a thermally decomposable org. material. CONSTITUTION:100pts.wt. of the inorg. powder, appropriately frit for producing enamel, other ceramic powder for producing ceramics, and metal powder in certain circumstances is coated with 1-30pts.wt., or preferably 3-25pts.wt., thermally decomposable org. material to obtain composite powder for powder coating. A thermally decomposable org. material, which can be completely thermally decomposed and dissipated without leaving any carbon in the course of calcination at a temp. preferably more than 100 deg.C lower than the calcination temp., is used, and polymethyl methacrylate, etc., can be exemplified. The org. material is advantageously added to coat the inorg. powder, when inorg. mate rial is milled to a specified particle size. The calcination after coating is carried out at 700-920 deg.C in case of an enameled steel sheet and at 500-600 deg.C in case of an aluminum sheet.
Patent JP-H05252393-A (JP)
Title: Image reader
Inventor: TAKAGI IZUMI
IPC: H04N1/40
Filed: 1992-03-03
Abstract: PURPOSE:To directly obtain plural image data obtained by separating only image parts in a specific density range by providing this image reader with plural binarizing means for binarizing signal voltages in accordance with a judged result whether each signal voltage is included within a reference voltage or not. CONSTITUTION:A reference voltage setting circuit 8 generates reference voltages 9 to 11. In this case, the voltages 9 to 11 are respectively set up to 1.5V, 1.0V and 0.5V. An image formed on an original is decomposed by the dendity of four steps in accordance with the quantity of light reflected from the original and detected by respective picture elements in a CCD 1. Namely when a signal voltage 3 outputted from an amplifier 2 in accordance with the quantity of light detected by a picture element 1a is 1.5 to 2.0V, 5V is outputted only from the output 22 of a binarizing circuit 4, and in the case of 1.0 to 1.5V, 5V is outputted only from the output 26 of a binarizing circuit 5. In the case of 0.5 to 1.0V signal voltage 3, 5V is outputted only from the output 33 of a binarizing circuit 6, and 0 to 0.5V signal voltage 3 allows the output of 5V only from the output 29 of a binarizing circuit 7.
Patent JP-S6345387-A (JP)
Title: Production of core for magnetic head
Inventor: NAGATOMO SHOHEI
IPC: G11B5/193
Filed: 1987-02-27
Abstract: PURPOSE:To produce the title core for a magnetic head having excellent surface precision of the track side wall and high reliability by projecting specified laser light to a site for regulating the track of a gap bar in a gaseous halogen. CONSTITUTION:The site intersecting the magnetic gap 13 of the gap bar 11 consisting of a ferrite material and regulating the track width is etched by laser induction in the atmosphere contg. a halogen (halide). The halogen atmosphere is kept at 10-200Torr, and the etched site is scanned by the laser beam having 50-1,100mV power and <=20mum diameter at the scanning rate of 2-110mum/sec to obtain <=2mum surface roughness. The cut-off part 15 other than the site regulating the track width is machined by laser under the condition higher than before to form plural tracks 40. Glass 60 is filled in the cut-off part 15, and a desired core 20 is cut out.
Patent JP-S63213793-A (JP)
Inventor: FUJIMOTO MASAMI
IPC: F27B21/10
Filed: 1987-02-27
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-S61205571-A (JP)
Inventor: ISHIBASHI TAKAHIKO
IPC: B62J1/12
Filed: 1985-03-09
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-H06233864-A (JP)
Title: Pachinko machine
Inventor: YAMAMORI SHIGEKI
IPC: A63F7/02
Filed: 1993-02-10
Abstract: PURPOSE:To surely prevent the jumping off of prize balls by providing a hook section hookable on the upper edge of a tilt trough at the end section of a drop preventing tool made of synthetic resin and installed at the lower section of a prize ball tank, and rotatably supporting it via a rotary hole provided at the other end section. CONSTITUTION:A drop preventing tool 30 is provided on the side wall 3b of a tilt trough 3 guiding the prize balls discharged from a prize ball tank provided at the upper section on the back face of a Japanese pinball game (pachinko) machine to a prize ball discharging device via a guide path 4a. The upper edge 3a of the side wall 3b downstream the ball leveling tool 8 of the tilt trough 3 is widely opened as much as possible so that fingers can be easily inserted, and the prize balls are prevented from being dropped from the wide opening by the drop preventing tool 30. The drop preventing tool 30 is made of a nearly rectangular resin thin plate, a hook section 32a hookable on the upper edge 3a of the tilt trough 3 is provided at the end section, and it is rotatably supported via a rotary hole 33a provided at the other end section with a screw 36.
Patent JP-H09239907-A (JP)
Title: Decorative plate
Inventor: NISHIMURA IKUMASA
IPC: B32B27/00
Filed: 1996-03-04
Abstract: PROBLEM TO BE SOLVED: To reduce an emitting quantity of a residual formaldehyde to the air when a decorative sheet is to be stuck to a ligneous base material or in a drying chamber after application as an interior material by previously providing a resin layer which easily reacts on the formaldehyde on the ligneous base material. SOLUTION: A picture pattern layer 2 is provided on a paper or a thermoplastic resin sheet 1, on which a transparent resin layer 3 is provided and an embossment 4 is formed properly and wiping processing is performed optionally. On top of it, a decorative paper having a top coat resin layer 5 or a decorative sheet 6 is stuck to a ligneous base material 7 having a resin layer 8 which reacts on a formaldehyde and is previously provided through an adhesive layer 9. Or, the ligneous base material 7 and the decorative sheet 6 are stuck together by the adhesive layer in which a resin which reacts on the formaldehyde is previously added. As one example, the ligneous base material 7 is previously coated with the resin layer 8 containing an imino group to a thickness of 1-10μm.  After it is dried, the resin layer is coated with the adhesive 9 and the decorative paper or the decorative sheet 6 is stuck together.
Patent JP-H02224545-A (JP)
Title: Local area network
Inventor: HIRAIDE TOSHIHIKO
IPC: H04L12/42
Filed: 1989-02-27
Abstract: PURPOSE:To attain early recovery by providing a transmission section sending a token count stored in a token count section through the reception from a token count acquisition command transmission section to a local area network connection device. CONSTITUTION:A token count section (f) of a local area network connector LIU#i clears a token count by an initializing command from a common control section (e). Then the token count section increments the token count by one every time the detection of a token is informed from a token detection transmission section (d). The token count is inputted to a token count response transmission section (g) and sent as a token count response by a transmission command from the control section (e) to a transmission section (g). A token count acquisition command transmission section (h) of a loop monitor SVU sends a token count acquisition command to the transmission line with the command transmission command from a common control section e'. Each acquired token count is compared to specify the transmission line period with less token count.
Patent JP-H07251779-A (JP)
Title: Bicycle handle stem
Inventor: YASHIRO TADASHI
IPC: B62K21/00
Filed: 1994-03-16
Abstract: PURPOSE:To adjust the position of a grip end regardless of the kind of a handle bar by designing a bicycle handle stem so that before and after the position of the grip end is changed, the position of an axial hole in an insert almost coincides with an arc whose center is located at a fulcrum shaft. CONSTITUTION:An arm 28 is turned upward after fixing shafts 5, 5 have been removed and fulcrum shafts 3, 3 slightly loosened. Then a handle bar 1 held at the end of the arm 28 rises, raising the position of its grip end. Then the axial hole 41 of an insert 4 different from that axial hole 41 into which the fixing shafts 5, 5 have been threaded is made to coincide with an oblong hole 280 in the arm 28, and under these conditions the fixing shafts 5, 5 are threaded from the oblong hole 280 into that axial hole 41 coinciding with the oblong hole 280, and are tightened. When the fulcrum shafts 3, 3 are tightened again under these conditions, the arm 28 is secured in place and positioning of the grip end is completed.
Patent JP-S63217009-A (JP)
Inventor: AOKI AKIO
IPC: E01H1/00
Filed: 1987-02-28
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-H04264680-A (JP)
Title: Document generation system
Inventor: II YASUHIRO
IPC: G06F12/00
Filed: 1991-02-19
Abstract: PURPOSE:To facilitate input using a reference table and to give unique titles to respective documents by realizing input from a reference table and that from a keyboard. CONSTITUTION:A keyword reference table (reference table) is stored in the private areas of the same storage mediums storing document information. At the time of inputting the document titles, an operator clicks a keyword in the reference table which is previously registered by a keyword mouse 6. Thus, the selected keyword is displayed in the document title in an editing screen. Then, the inputted keyword is addition or elimination-edited hereafter and the new desired keyword is obtained. In such a case, the keyword in a reference table file is used only as the input of a character title in the document and any dependency does not occur in the file.
Patent JP-S59173023-A (JP)
Inventor: ISHIHAMA TOSHIROU
IPC: A01G9/24
Filed: 1983-03-22
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-H03248150-A (JP)
Title: X-ray image forming method
Inventor: IWASAKI NOBUYUKI
IPC: G03C1/00
Filed: 1990-02-27
Abstract: PURPOSE:To obtain a photofluorographic system high in sensitivity and image quality by using an X-ray image intensifier having a conversion coefficient of >=100 and a specified photosensitive material. CONSTITUTION:The X-ray image intensifier having a conversion coefficient of >=100 (Gx value; a ratio of output fluorescent material area luminescence cd/m<2> to X-ray intensity mR/sec measured at an incident position by removing the intensifier) is used, and the photosensitive material to be used has a sensitiv ity requiring an exposure of 0.25 - 0.60 lux in order to obtain a density of fog + 0.3, when it is exposed to a green light of 545nm wavelength corresponding to its peak wavelength for 1/20sec and developed at 26 deg.C for 2min with a devel oping solution containing 70g of sodium sulfite, 10g of hydroquinone, 0.4g of 1-phenyl-3-pyrazolidone, 6g of potassium bromide, 1g of ethylenediamine tetraacetate, and 40g of sodium carbonate dihydrate and monohydrate, and diluted with water to 1l, and adjusted to 10.10 in pH, thus permitting the obtained photographing system to be high in sensitivity and image quality.
Patent JP-H03250477-A (JP)
Title: Tape cassette
Inventor: WAKIKAWA MASANAO
IPC: G11B23/087
Filed: 1990-02-27
Abstract: PURPOSE:To prevent a tape from being damaged due to its contact with a braking means by an unexpected event by forming the braking means on the outside of a cassette shell. CONSTITUTION:The cassette tape 1 is constituted of forming a pair of reel hubs 11 on a pair of reel inserting holes and forming a claw-like engaging part 12 exposed from the cassette shell 6 on the end face of one hub 11. The braking means 13 is arranged adjacently to the periphery of the engaging part 12. When a shutter 8 is in its closed position state, the shutter 8 shields a magnetic head inserting window and a pinch roller inserting window by an energizing means 7 and presses the leading end part 13a of the means 13 to the engaging parts 12 of the hubs 11 to suppress the rotation of the hubs 11. In the opened position state of the shutter 8, the shutter 8 acts against the means 7, guides 9 are slided along guide grooves 10 and the leading end 13a of the means 13 is separated from the engaging part 12 simultaneously with the opening of the magnetic head inserting window and the pinch roller inserting window, so that the hubs 11 can be optionally rotated.
Patent JP-H04282232-A (JP)
Title: Tubular body made of resin
Inventor: YOSHIDA AKIHIRO
IPC: B29D23/00
Filed: 1991-03-12
Abstract: PURPOSE:To enhance flexibility and breakage resistance by forming a rigid part from hard PO and forming a flexible part from SEBS. CONSTITUTION:The rigid part 7 and flexible parts 3, 5 of a tubular body made of a resin are connected in series and the rigid part 7 is formed of a polyolefin resin and the flexible parts 3, 5 are formed from a thermoplastic elastomer. At this time, the thermoplastic elastomer is composed of a styrenic thermoplastic elastomer wherein a soft segment is composed of polystyrene and a hard segment is composed of hydrogenated polybutadiene or polyisoprene.
Patent JP-S52129787-A (JP)
Title: Highly anticorrosive steel sheet
Inventor: YAMAGISHI HIDEHISA
IPC: B05D7/14
Filed: 1976-04-26
Abstract: PURPOSE:Steel sheets excellent in anticorrosion, having an electrodeposited zinc layer, a chromate-treated layer and a uV-cured resin layer on the surface thereof.
Patent JP-H07228077-A (JP)
Title: Sealable mail form
Inventor: INOUE TAEKO
IPC: B42D15/02
Filed: 1994-02-22
Abstract: PURPOSE:To provide a sealable mail form at a low cost in which confidential information of arbitrary amount is concealed and sent to an individual, and proof remains when the sealable mail is opened on the way. CONSTITUTION:In a mail form 12 sent to an individual, a plurality of business form pieces 1-4 are connected through the folding perforations m2-m4 and alternately turned up in the opposite direction by the folding perforations m2-m4, pressurized and sealed. A spread page is provided which is impossible to break the seal without destroying the base material of the business form pieces. Spotlike adhesion parts 3b having the cutting perforations in the peripheries are provided along the outer edge of one side of two business form pieces 2, 3 constituting the spread page. An adhesion part 2b is provided in the position corresponding to at least the spotlike adhesion parts 3b in the business form piece of other side. Both adhesive layers of the adhesion parts are pressurized and strongly stuck so as not to be reseparated.
Patent JP-S58164727-A (JP)
Title: Feeder for long-sized barlike material to be heated in continuous heating furnace
Inventor: MAKI NOBORU
IPC: B65G47/82
Filed: 1982-03-23
Abstract: PURPOSE:To provide a titled device which can feed long-sized barlike materials to be heated into a furnace with small-sized devices, by transferring a receiving metal and a closing metal to the feeding port by means of a flexible power transmission body wound around a stationary guide cylinder thereby feeding the materials to be heated into the furnace. CONSTITUTION:A guide cylinder 3 is fixed on supporting legs 4 on the inner side in the receiving port (a) of materials W to be heated provided on the front face of a continuous heating furnace, and  link chain 5 is wound around the outside circumferential surface thereof. A receiving metal 6 for the materials W and a closing metal 8 for closing the port are mounted at a suitable spacing  thereto through a shielding plate 7. In the above-mentioned constitution, the long-sized bar materials W on skids S are fed from the port (a) into the recess  of the metal 6 by a kicker K, and the metal 6 is moved into the feeding port  by advancing the chain 5 with a driving chain wheel 9 by means of a motor  M with a speed reducer R, so that the material W is fed into the furnace. The wheel 9 is then rotated reverse to move the metal 8 in the feeding port, thereby closing the port.