baber/WOPTO huggingface dataset:
Patent JP-H04200008-A (JP)
Title: Active filter circuit
Inventor: TANIGAWA HIROSHI
IPC: H03H11/12
Filed: 1990-11-29
Abstract: PURPOSE:To facilitate the implementation of semiconductor circuit integration by adjusting an operating current of 1st and 2nd variable conductance amplifiers so as to arise an attenuation pole at a prescribed frequency. CONSTITUTION:The filter circuit comprises a differentiating device 13 consisting of an operational amplifier A1 having an input terminal 1, an output terminal 2 and a 1st integration device 11 consisting of a 1st capacitor C1 applying negative feedback to the operational amplifier A1 and a 1st variable conductance amplifier A2, and a 2nd integration device 12 consisting of a 2nd capacitor C2 applying negative feedback to the 1st integration device 11 and a 2nd variable conductance amplifier A3. Thus, this circuit is a negative feedback circuit in combination with the integration device 12 and the differentiating device 13, has a frequency characteristic with an attenuation pole at a prescribed frequency and the attenuation pole is caused at a cross point in the combined characteristic of a low pass filter and a high pass filter. Since no adder is required, the circuit constitution is simplified and the semiconductor circuit integration is facilitated.
Patent JP-H05171314-A (JP)
Title: White gold allot for ornament
Inventor: HONDA KATSUYUKI
IPC: C22C5/02
Filed: 1991-12-17
Abstract: PURPOSE:To provide white gold alloy for decoration of K18 to K20 where casting, fine machining, gem setting or the like can be easily achieved. CONSTITUTION:White gold alloy for decoration is formed by adding, by weight, 3-10% Ni and 1-10% Zn in alloy containing Au as the principal component and 10-20% Cu. Alternatively white gold alloy for decoration is formed by adding, by weight, 3-10% Ni, 1-10% Zn, and 0.05-2% of one kind of more kinds of elements selected from among Mn, Fe and Co. Thus, superior white gold alloy for decoration which has less defects in the ingot, and is excellent in the workability is obtained.
Patent JP-H07192077-A (JP)
Title: Laser scanner
Inventor: KASHIMA ASAKO
IPC: G02B26/10
Filed: 1993-12-27
Abstract: PURPOSE:To provide a laser scanner composed of parts constitution which is light in weight and miniaturized with improved workability capable of reducing light quantity loss, reading the bar code of low contrast and realizing high resolution and a long read distance. CONSTITUTION:In this laser scanner for scanning laser beams from a laser generation means 1 on a label provided with the parts of mutually different light reflectances, receiving the reflected light and reading the contents of the label, a diffraction optical element 10 is used and a light quantity distribution state near a pupil position is constituted so as to make the light quantity of a pupil peripheral part to be more than the one of a pupil center part.
Patent JP-H0534626-A (JP)
Title: Adjustable pad assembly used for aligning optical device
Inventor: MAAKU DEEBUITSUDO BETSUDOJIKU
IPC: G11B7/12
Filed: 1991-12-17
Abstract: PURPOSE: To provide an adjustable pad assembly by which an optical element like a polygonal body can be replaced or repaired without requiring re-alignment of an optical system. CONSTITUTION: A pad assembly 70 is used to align a polygonal body supported on a housing 14. Plural adjustable pad assemblies are provided between a base 52 and the housing 14. Each pad assembly has an attaching plate 72 and a bushing 76 fixed to the housing 14. A compressible ring 74 encloses an area on the attaching plate where an adhesive 90 is received. The housing 14 is adjusted relatively to the base to align the polygonal body. Next, the housing 14 is kept in the still state until the adhesive is hardened to join the attaching plate 72 and the bushing 76 into one body.
Patent JP-H09191686-A (JP)
Title: Switching control signal generation circuit for small sized precise motor
Inventor: SAI KIYOUMOKU
IPC: H02P6/06
Filed: 1996-12-13
Abstract: PROBLEM TO BE SOLVED: To suppress switching noise by providing means for setting an inclination determining a time variation to be limited and limiting the switching control signal based on the inclination. SOLUTION: In order to connect the DC level of counter electromotive force Uemf, Vemf, Wemf with a switching interval adjusting means, an inclination providing means 101-103 produces an inclination determining the time variation of a switching control signal by making a conversion into a signal swinging about the half value of power supply voltage Vcc and amplifying the signal. The switching interval adjusting means compares the outputs Uoh, Voh, Woh from the inclination providing means 101-103 using six comparators and further compares outputs Uol, Vol, Wol with a neutral voltage using three comparators. An output voltage level determining means produces a comparison output at a DC voltage level and switches the winding.
Patent JP-H02179658-A (JP)
Title: Electrophotographic device
Inventor: NAKATANI MASAHIDE
IPC: G03G15/00
Filed: 1988-12-29
Abstract: PURPOSE:To always operate the subject device in good condition by setting the image condition to a prescribed value after the completion of an electrophotographic process related to toner image transferring on a transfer paper. CONSTITUTION:As for an image forming part, a drum-shaped photosensitive body 1 is grounded through a photosensitive body electrifying current detecting means 29. An electrifying corona discharger 2, a developing sleeve 3, a PT corona discharger 4, a transfer corona discharger 5, a separate corona discharger 6, a PC corona discharger 7, bias rolls 8 and a destaticizing corona discharger 9 are positioned around the photosensitive body. A CPU 30 controls pulse length modulating timers 31, 32 and 34 and an output detection selecting circuit 37. Under this constitution, the transferring conditions of the photosensitive body 1 such as an electrifying current, an exposure amount, an developing bias and a developer consentration are detected, a high voltage is controlled, and the electrifying current Id is set to the prescribed value. The Id can be thus fixed regardless of environmental fluctuation and the soil of the corona dischargers, whereby preferable transferring can be realized.
Patent JP-H03194264-A (JP)
Title: Running operational device of mobile agricultural machine
Inventor: ISHIDA ISAO
IPC: B60W10/10
Filed: 1989-12-22
Abstract: PURPOSE:To make an engine stop to be hardly generated so as to perform smooth starting by decelerating a speed change position of a continuously variable transmission to a fixed position by stepping in a clutch pedal. CONSTITUTION:When a clutch pedal 8 is stepped in halfway running transmission, a main clutch is disconnected while a speed change arm 3 is turned from the lower side of a forward high speed position to the side of a neutral position N, and this speed change arm 3 is stopped in a position of a low speed region. Here an engine 16 is placed in rotation at a low speed. Successively when the main clutch is connected by releasing a step-in of the clutch pedal 8, a hydraulic continuously variable transmission 1 is transmission-started in a low speed-speed change position, where the speed change arm 3 is turned, and placed in a low speed-running transmission condition. In this way, smooth starting can be performed by making an engine stop to be hardly generated.
Patent JP-H10177750-A (JP)
Title: Magnetic tape device
Inventor: SASAKI HIROSHI
IPC: G11B15/675
Filed: 1996-12-13
Abstract: PROBLEM TO BE SOLVED: To surely re-mount when a mount fault of a magnetic tape cartridge occurs. SOLUTION: When the magnetic tape cartridge is mounted on a file clutch, and the operation rewinding to an original position after a file motor is rotated slightly in the direction relaxing a magnetic tape is repeated several times, and pulses generated from an encoder aren't generated by a prescribed value, whether the number of re-mount times until then are the prescribed value or below is judged, and when the number of re-mount times are within the prescribed value, the magnetic tape cartridge is raised temporarily, and the mount is taken off, and after the file motor is rotated by 1.5 teeth pitch of a clutch side reel drive gear, the re-mount is performed, and when the number of re- mount times until then exceed the prescribed values, mount operation abnormality is judged, and the magnetic tape cartridge is de-mounted, and the mount operation is ended.
Patent JP-H07203425-A (JP)
Title: Coding and decoding device for dynamic image
Inventor: MIYAMOTO YOSHIHIRO
IPC: H04N19/543
Filed: 1993-12-28
Abstract: PURPOSE:To realize the improvement of efficiency for motion compensation prediction and the improvement of the image quality of a decoded picture by detecting a contour line of an object area from the image and applying motion compensation prediction processing to each area separately. CONSTITUTION:A contour detection circuit 100 detects contour line data 122 of an object area from an input 121 and a representative point setting circuit 101 references the contour line data 122 to set and output a motion detection representative point. A motion detection circuit 102 detects motion data 124 based on the motion detection representative point on the input picture. A motion compensation circuit 103 references the contour line data 122, the motion data 126 and a decoding picture 123 of a preceding frame to predict between motion compensation frames for each picture element of the input image. A difference between the input image 121 and the predicted data is quantized and coded together with the contour line data 122 and the motion data 126 and they are transmitted. A decoding section decodes the coded data and applies similar motion compensation inter-frame prediction that by the coding section to obtain the decoded image.
Patent JP-H05144220-A (JP)
Title: Disk cartridge
Inventor: OMORI KIYOSHI
IPC: G11B23/03
Filed: 1991-11-22
Abstract: PURPOSE:To prevent fall-off of a coil spring out of a case by forming energizing means for a shutter of a compression coil spring formed continuously in an 8 shape, and inserting a shaft fixed to the case into one circle of the spring. CONSTITUTION:A compression coil spring 41 is formed continuously in an 8 shape. A shaft 42 is inserted into one circle 41a of a small diameter of the spring 41, and both ends of the shaft 42 is fixed to opposed inner surfaces of a case. The circle 41a is movable under the guidance of a shaft 45. One end of the other circle 41b of a large diameter of the spring 41 is held by the inner surface of the case 2, and the other end is made to abut on a pawl 43 of a shutter. According to the structure, when the shutter is energized to be moved in a direction for closing the opening by the spring 41, the shaft 42 is inserted into the circle 41a of the spring 41, and hence the spring 51 does not full off out of the case 2.
Patent JP-H06180895-A (JP)
Title: Remote control device and recording/reproducing device
Inventor: SUNOU YUUJI
IPC: H04Q9/00
Filed: 1992-12-15
Abstract: PURPOSE:To attain the reservation with excellent handleability even when no body exists near a recording/reproducing device. CONSTITUTION:An infrared ray remote control device controlling the recording/ reproducing device is constituted of a display part 1 displaying the contents of the reservation, a push button input 3, a controller 2, a light emitting device 4, an audio converting device 5 and a speaker 6, and the reserved contents is outputted as an audio signal. In the recording/reproducing device main body side, not only the reservation from an optic/electric conversion device but also the reservation by an audio signal-reservation contents conversion device receiving an input signal from a telephone network is possible. Thus, the reservation from a place separated from the recorder is possible by setting the reservation contents with the infrared ray remote control device using the telephone and transmitting it from a receiver.
Patent JP-2000166035-A (JP)
Title: Gondola for double conductor
Inventor: HANAWA MASAO
IPC: H02G1/02
Filed: 1998-11-25
Abstract: PROBLEM TO BE SOLVED: To reduce tractive force, and to obtain smooth movement when riding over accessories, by supporting three or more running wheels arranged on a circumferential orbit, in such a way as to be movable far and near to the revolution axis of a revolving mechanism respectively, and to be restorable automatically in outward directions, and reducing vertical movement of the revolution axis by backward movement of the running wheels. SOLUTION: On the revolution orbit of a revolving mechanism 5, four running wheels 4 are arranged at 90 deg. intervals. The revolving mechanism 5 is approximately in an X shape, and four radial arms 8 stretching from a radial revolution axis 7 are provided circumferentially at 90 deg. intervals. The running wheels 4 are provided with supporting shafts 10 for supporting themselves, and the supporting shafts 10 of the running wheels 4 are inserted into the four arms 8 respectively, with compression-type springs between in such a way as to be slidable. Accordingly, the running wheels 4 become movable along the radial directions far and near to the revolution axis 7. Besides, they are energized with the springs along outward radial direction from the revolution axis 7 by the compressive repulsive forces of the springs 9, and are automatically restored onto the fixed revolution orbit.
Patent JP-H01175482-A (JP)
Title: Digital television receiver
Inventor: TANAKA MASANOBU
IPC: H04N11/04
Filed: 1987-12-29
Abstract: PURPOSE:To make compatible the flexibility of a line lock mode, the facilitation of a memory practical application, the stability of the clock of a burst lock mode and a low jitter characteristic by providing a selecting circuit to output selectively the loop filter output of a horizontal phase synchronizing circuit and the loop filter output of a color sub-carrier phase synchronizing circuit. CONSTITUTION:At the time of a VTR mode, an error signal smoothed by a selecting circuit 23 is added with a set value NfH/(2Fx) by an adder circuit 16 for setting a clock frequency as it is. At the time of the TV mode, the output of a loop filter 8 of a color sub-carrier PLL is selected by the selecting circuit 23 and added to the adder circuit 16. The selecting circuit 23 is provided so as to switch and output the loop filter output from the color sub-carrier PLL and the loop filter output from a horizontal PLL by the TV/VTR mode and thus, at the time of the standard TV signal, the burst lock mode is obtained, and the stable clock with a small quantity of the jitter can be reproduced.
Patent JP-H01175027-A (JP)
Title: Printing start position setting system for postcard
Inventor: INOMATA TADAAKI
IPC: G06F3/12
Filed: 1987-12-28
Abstract: PURPOSE:To execute printing without being conscious of the differences of cut paper and postcard on the software side by modifying firmware built in a mechanism controller without changing a paper sending mechanism. CONSTITUTION:A command for distinguishing the paper of size A4 e.g. from a postcard is released to software. When the paper of size A4 is specified, printing is executed based on a 1st character of a printer mechanism similarly to an ordinary method, and when a postcard is specified, the 1st character from the software side (a host machine 5) is advanced to the N-th character of a printing mechanism part 1 and printed out on the 1st character of the postcard by the firmware built in a controller part 4 so that printing is executed based on the N-th character (the 1st character to be printed on the postcard) of the printer mechanism.
Patent JP-H01174499-A (JP)
Title: Eraser rubber for correction of electrostatically copied image
Inventor: IMAIZUMI YOSHITO
IPC: C08L21/00
Filed: 1987-12-29
Abstract: PURPOSE:To enable an electrostatically copied image on an ordinary paper to be completely erased with little damage to the surface of the paper by forming an eraser from a thermoplastic elastomer and a tackifier resin. CONSTITUTION:An eraser for the correction of an electrostatically copied image comprises a thermoplastic elastomer and a heat-softenable tackifier resin (e.g., rosin or a hydrogenated rosin glycerol ester having a low softening point and a high instantaneous bond strength). A part to be erased of the electrostatically copied image on the ordinary paper is rubbed with the eraser several times. With the eraser stopped on the part and rubbed against the part, the eraser is softened to produce an adhesive force, whereby the toner on the paper is adhered to the eraser. The eraser is drawn off from the surface of the paper to completely remove the toner from the surface as a mass. The damage to the paper is limited to only the surface of the paper.
Patent JP-H02177394-A (JP)
Title: Microwave circuit structure
Inventor: KOSUGI YUHEI
IPC: H01P3/08
Filed: 1988-12-27
Abstract: PURPOSE:To hold a discontinuous impedance at a small value upon connection by face-down bonding a chip to a shielded strip line, and connecting the rear face of the chip with a wide strip line conductor. CONSTITUTION:A conductor 2a on the rear face of a chip 2 directly face-down bonded to a multilayer circuit board 1 is connected to a ground conductor 10a on the front face of the multilayer circuit board 1 via a strip conductor 3. The front faces of the chip 2 and the multilayer circuit board 1 are connected to a strip line center conductor 11 with a solder bump 16 and connected to ground conductors 10a, 10b short-circuited to conductor passages 19 at both sides of the strip line central conductor 11 with solder bump 17 in a short length. Accordingly, discontinuous impedance upon connection is held at a small value, and a circuit structure having small reflection due to mismatching of signals is obtained.
Patent JP-H04201005-A (JP)
Title: Holder
Inventor: AIDA EIKO
IPC: F16B1/02
Filed: 1990-11-29
Abstract: PURPOSE:To retain a material to be held through the inner circumferential surface of an inner circumferential hole by filling a plurality of spherical materials airtight into a form that has the inner circumferential hole which is opened at one end in the axial direction, and by pressing the spherical material adjacent to each spherical material through the compression power from the axial direction of the inner circumferential hole, and whereby displacing a holder in the diametrical direction. CONSTITUTION:A cylindrical regulator 9 is freely slid on a spindle 8, while the right hand side movement of the regulator is regulated by a regulating nut 11. A holder 2 is inserted in the regulator 9, and the holder 2 is formed out of a plurality of spherical materials 1 and an elastic material 13 with which inter-spherical material is filled. The outer circumferential surface 3 of the holder 2 and the inner circumferential surface of an inner circumferential hole 4 are of concentric circle, and the axial core of the spindle 8 and that of the inner circumferential hole 4 are identical. The right end surface of the holder 2 is pressed by a hollow pushing rod 17. By moving the pushing rod 17 to the right in the axial direction, a spherical material 1 is pushed by an adjacent spherical material, and is displaced in the direction of inner diameter, while the inner surface of the inner circumferential hole 4 is displaced in the direction of inner diameter, and a material to be held is held over the entire region in the circumferential direction. When the rod 7 is pressed and canceled thereby, the distortion is restored by the elastic material 13.
Patent JP-H03195679-A (JP)
Title: Communication device of elevator
Inventor: SASAKI TOSHIHIKO
IPC: B66B5/00
Filed: 1989-12-26
Abstract: PURPOSE:To automatically call a control office by a communication device on operating an emergency stop button by providing a communication device operated according to a driving signal from a driving circuit between a cage and a control office, and outputting a driving signal on operating an emergency stop button except a door-open state. CONSTITUTION:A driving circuit 1 is disposed in a cage, and a communication device 10 is provided between the cage and a control office. A calling button 2, and a series connecting circuit for an always open contact 3 and an always open contact 4 are disposed in the driving circuit 1. The always open contact 3 is a contact which is turned by operating an emergency stop button, and the always open contact 4 is a contact which is turned on in response to a detection signal of a door close detecting relay for detecting that a door of an elevator is closed. When the calling button 2 is pushed in during the operation of an elevator, a driving signal F1 is output from the driving circuit 1, and the driving signal F1 is input to a talking device 5 of the communication device 10 and a buzzer 6, so that the talking device 5 and a control office talking device 7 are connected to enable talking.
Patent JP-H09272810-A (JP)
Title: Production of granular pigment and colored composition
Inventor: SAN RUUSHIONGU
IPC: C09B67/46
Filed: 1996-11-29
Abstract: PROBLEM TO BE SOLVED: To produce a granular pigment, containing water, excellent in handleability such as easy dispersibility and dustless properties and useful as a colorant, etc., according to an industrially advantageous method by disintegrating a pigment wet cake and dehydrating the resultant disintegrated wet cake.  
     SOLUTION: A wet cake of an organic pigment (preferably a phthalocyanine pigment or a quinacridone pigment) is dehydrated at 20-80°C while being disintegrated to afford the objective pigment having 30-50wt.% moisture content and preferably 1-20mmϕ average particle diameter. The wet cake is preferably dehydrated by using a vacuum type stirring dryer when carrying out the dehydration and heating conditions so as to provide, e.g. 20-60°C material temperature are preferably selected to perform the dehydration under a reduced pressure of about 300-200mmHg by rotating a stirrer at 40 r.p.m. 
     COPYRIGHT: (C)1997,JPO
Patent JP-H11167087-A (JP)
Title: Movable hook type front-mounted spectacles and front-mounting frames used for same
Inventor: HAYASHI KOTOYO
IPC: G02C9/00
Filed: 1997-12-05
Abstract: PROBLEM TO BE SOLVED: To provide the movable hook type front-mounted spectacles which make it possible to easily and securely attach and detach the front-mounting frame through only easy lever operation and enables the attaching/detaching operation to be done safely by one hand. SOLUTION: The spectacles consist of spectacles G having temples pivoted on both the right and left sides in a freely foldable state and the front mounting frame M which is equipped with a couple of front rims 1 holding additional lenses La corresponding to the right and left lenses of the spectacles G and has an inwardly energized movable hook 2 pivoted on the ocular side of the front rim 1 and one guide hook 3 projected from the other front rim 1; and the movable hook 2 of the front-mounting frame M is swung outward to hook the guide hook 3 at the corresponding position of the front of the spectacles G, and it is restored with the inward biasing force of the movable hook 2 and hooked at the corresponding position of the front F, thereby engaging the front-mounting frame M with the spectacles G.
Patent JP-H10172350-A (JP)
Title: Thin dielectric film and ceramic capacitor
Inventor: KAMIGAKI YASUYO
IPC: H01B3/12
Filed: 1996-12-16
Abstract: PROBLEM TO BE SOLVED: To provide a thin dielectric film which has an enhanced insulating property, shows a dielectric constant as high as 1,100 or more even in a high frequency range, and has a small rate of decrease of dielectric constant with respect to DC bias and to provide a ceramic capacitor using the thin dielectric film. SOLUTION: In a thin dielectric film composed of perovskite complex oxides containing Pb, Mg and Nb as metal elements, a composition formula based on the mole ratio of oxides of the metal elements is (Pba-x Ax )(Mgb/3 Nb2/3 )O3 , in which, when A represents art least one kind selected from among Ba, Sr, Pr, Sm, and Bi, (a), (b), and (x) satisfy 1<=(a)<=1.10, and 1<=(b)<=1.10; when A is Pr, 0.01<=(x)<=0.03; when A is Ba or Sr, 0.01<=(x)<=0.05; when A is Sm or Bi, 0.01<=(x)<=0.08.