baber/WOPTO huggingface dataset:
Patent JP-H08329470-A (JP)
Title: Method and device for reproducing and optical disk
Inventor: MORITA SEIJI
IPC: G11B7/2407
Filed: 1995-05-31
Abstract: PURPOSE: To obtain the condition becoming cross talk free by forming a phase difference ϕ when a land track is reproduced to be different from the phase difference ϕ when a groove track is reproduced. CONSTITUTION: The phase differences of respective pickups are controlled by a Bavinet-Soleil phase compensation plate 5. For instance, the control is performed so that the phase difference of a land track reproducing optical pickup is +5 deg., and the phase difference of a groove track reproducing optical pickup becomes -5 deg.. Then, a wavelength of alight source is 680nm, an NA of an objective lens is 0.55, an eclipse coefficient DEW is 0.8, a polarization state is linear polarization and its direction is parallel to a groove. In such a case, CTL=-56.2dB, CTG=-56.0dB. When the CTG is obtained by reproducing by the groove reproducing optical pickup as a usual example, CTG=-48.5 dB, and the CTG is increased remarkably. Thus, when reproduced using the optical pickup with the different phase difference, the cross talk is reduced by 7-8dB.
Patent JP-H01302805-A (JP)
Title: Superconductive coil
Inventor: OKA KOICHI
IPC: A61B10/00
Filed: 1988-05-31
Abstract: PURPOSE:To make it possible to form a magnetic field having a high uniformity through a simple operation by providing an adjustment mechanism made of a pair of annular members mated with a plurality of gears provided along its circumferential direction on gradient between a main coil and a subcoil. CONSTITUTION:This device comprises adjustment mechanisms 7, 8 made of a pair of annular members 21, 23 mated with a plurality of gears 22, 24 provided with a superconductive coil provided with subcoils 2, 3 of the axis length shorter than the above axis length at both ends of the main coil 1 having a predetermined length of axis length, between the main coil 1 and the subcoils 2, 3 on gradient in the circumferential direction. It is formed so as to be able to adjust the axial relative position of the subcoils 2, 3 with respect to the main coil 1 by rotating one of the pair of annular members 21, 23 about the axial line of the coils 1 to 3 at a predetermined angle. For example, a gear 25 which has the same gear as that of a worm gear is formed in a portion of the outer circumference surface of the member 21, and in the other member 23 is provided a worm 26 engaging the gear 25.
Patent JP-S5466726-A (JP)
Title: Check system for memory address register
Inventor: ITOU GINNO
IPC: G06F12/16
Filed: 1977-11-08
Abstract: PURPOSE: To reduce the number of memory bits, by performing address check through the use of humming code, and by performing the program stop with the syndrome signal at error address occurrence.  
     CONSTITUTION: The coded circuit ECD forms humming code from the write-in data and address, performs address check by utilizing the humming code, and generates the syndrome by decoding the humming code from the memory data and address through the decoding circuit DEC. Further, at the occurrence of address error, program stop or compulsive address jump is made with the syndrome signal. Thus, the write-in of parity bit is made unnecessary and the number of memory bit can be reduced. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-2000327150-A (JP)
Title: Image forming device
Inventor: NAKANO HIROTSUGU
IPC: B65H5/06
Filed: 1999-05-14
Abstract: PROBLEM TO BE SOLVED: To comparatively inexpensively secure stable carrier performance by using a spring clutch, etc., quick in switching for only driving transmission when a driving motor impermissible in time lag rotates forward, in an image forming device having a driving and switching means requiring two forward and backward one-way clutches. SOLUTION: On a carrier roller shaft 6b, an input gear 18 of a driving switching means and an output gear 19 to a recovery system are mounted. The input gear 18 is engaged with a large diameter gear 20a of a deceleration sun gear 20 and the small diameter gear 20b is engaged with a spring clutch input gear 21. A spring clutch output gear 22 is arranged coaxially with the spring clutch input gear 21 and a spring clutch 23 is mounted between these gears 21 and 22. The spring clutch 23 is constituted to drive and transmit only when the clutch 23 rotates to one side. After this driving force is intermittently transmitted from the spring clutch output gear 22 to a clutch gear 26 via a clutch trigger gear 24 and a clutch separating spring 25, the driving force is transmitted to an output gear 27 of a feeding roller.
Patent JP-S5657934-A (JP)
Title: Measuring method for multiple refractive index of transparent filament
Inventor: SHIMIZU JIROU
IPC: G01N21/23
Filed: 1979-10-16
Abstract: PURPOSE:To realize a mesurement of the multiple refractive ibdex without measuring the diameter of the filament previously, by irradiating the laser beams with the polarizing faces parallel and vertical to the filament and then observing the positions of three of more fringes of the interference fringes and the number of fringes among these three positions. CONSTITUTION:The laser beam the polarized face of which is parallel to the filament 2 is irradiated to the filament 2 from the laser beam source 1, and then the positions of three or more fringes of the interference fringes caused by the reflected light and the transmitted light are observed along with the number of fringes among these three positins. And the refractive index n (parallel) is obtained from the prescribed equation. Then the laser beam the polarized face of which is vertical to the filament 2 is irradiated to obtan the refractive index n (vertical) in the same way as above. Thus the multiple refractive index DELTAn=n(parallel)-n(vertical) is calculated from the values of both refractive indexes. In such way, the multiple refractive index can be measured in a simple way and with a high accuracy without mearsuring the diameter of the filament previously.
Patent JP-S6113778-A (JP)
Title: Solid state image pickup device
Inventor: YAMADA TETSUO
IPC: H04N5/335
Filed: 1984-06-28
Abstract: PURPOSE:To attain an even 2-1 action to all photoelectric transducing element at a time by opening a shutter device two times to one image pickup action and setting the 2-1 action release time point while the shutter device is closed. CONSTITUTION:Photoelectric transducing elements 2 and 3 are set at both ends of a solid state image pickup device 1. A mechanical shutter device 4 contains light shielding parts 11-13 and opening parts 14 and 15. When the light is made incident on elements 2 and 3, the storage of charge is started. Here G and H show the characteristics of both elements 2 and 3 respectively. When a 2-1 action is carried out to the fixed charge Q0, QS-Q0 is discharged in the form of an excess charge with saturation secured for QS=Q0 in case the stored charge quantity QS exceeds the Q0 while the part 14 is passing over the element 2. Then the 2-1 action is released at the time t=t3 within a period when the device 1 is covered with the part 12. Thus the photoelectric conversion and a charge storing action are carried out again for a period when the part 15 is passing through. Thus it is possible to carry out the 2-1 action to all photoelectric transducing elements at a time and to secure the even 2-1 action characteristics of all photoelectric transducing elements.
Patent JP-H1053119-A (JP)
Title: Method and device for determining coupling force in combination vehicle
Inventor: BERTRAM TORSTEN DR
IPC: B60T8/58
Filed: 1997-05-23
Abstract: PROBLEM TO BE SOLVED: To determine coupling force accurately without using a force sensor by evaluating longitudinal or vertical or bidirectional connecting force between partial vehicles of a combination vehicle on the basis of the measured value using a parameter evaluation method. SOLUTION: An input circuit 12 of a controller 10 obtains a brake pedal operation degree from a measuring device 22 through an input line 20 and obtains wheel rotating speed, brake pressure value or brake moment value, axle load value, and the like from measuring devices 28 to 30 through input lines 24 to 26. A mathematical parameter and a physical parameter of a semi- trailer are computed, and longitudinal and/or vertical connecting force is determined on the basis of the physical parameter. Wheel brakes 38 to 40 are regulated by a braking device of a vehicle through output lines 32 to 34 from the control device 10, and a trailer wheel brake 46 is regulated by a braking device 44 through an output line 42.
Patent JP-H03289-A (JP)
Title: Thermal recording material
Inventor: FUKUI SATOSHI
IPC: B41M5/337
Filed: 1989-05-26
Abstract: PURPOSE:To obtain a thermal recording material having high color forming sensitivity and improved in preservability and whiteness by containing specific dihydroxydiphenyl ether and a specific compound in a thermal recording layer. CONSTITUTION:A compound represented by formula II (wherein R is H or CnH2n+1 and n is an integer of 1-5) is used in combination with dihydroxydiphenyl ether represented by formula I in a thermal recording layer. As dihydroxydiphenyl ether, for example, there is 2,2'-dihydroxydiphenyl ether or 3,3'-dihydroxydiphenyl ether and, as a compound represented by the formula II, for example, 4, 4'-(phenylmethylene)bisphenol is used. Usually, 0.5-3 pts.wt. of dihydroxydiphenyl ether is used per one pts.wt. of a color formable basic dye and the compound represented by the formula II is added in a ratio of 0.1-20 pts.wt. per 1 pts.wt. of said coupler. By this method, preservability is enhanced largely.
Patent JP-H07314561-A (JP)
Title: Manufacture of synthetic resin form having open cell
Inventor: SUDA TETSUYA
IPC: B29C65/48
Filed: 1994-05-25
Abstract: PURPOSE:To provide a method capable of obtaining a synthetic resin form having predetermined open-cell holes easily and surely regardless of the configuration of the open-cell holes. CONSTITUTION:The manufacturing method of a synthetic resin form having open-cell holes is constituted of a process, forming a groove 4 on the preset bonding surface of a synthetic resin member 3, superposing process applying an adhesive agent 5, never cured under the existence of oxygen, on the predetermined bonding surface of the synthetic resin member 3 and, thereafter, superposing the other synthetic resin member 6, and the bonding process of the synthetic resin members to each other by curing the adhesive agent 5.
Patent JP-H10324153-A (JP)
Title: Support shaft construction of sun visor for vehicle
Inventor: ITOU KIMITOKI
IPC: F16B11/00
Filed: 1997-05-23
Abstract: PROBLEM TO BE SOLVED: To dissolve abnormal sound and breakdown due to relative rotational movement of a core shaft body for support and a cylindrical shaft body by ultrasonic- welding weld projections onto the outer circumferential face of the core shaft body for support, and combining the cylindrical shaft body with the core shaft body for support so as to be impossible to rotational move. SOLUTION: Outer skin insert parts 33 for coveringly concealing the core shaft coating part 21 of an outer skin 20 are formed on the inner circumferential walls of both end parts of a pair of half cylindrical shafts 32. Weld projections to be ultrasonic-welded to the outer circumferential face of a core shaft body 13 for support are respectively projected on the inner circumferential walls of a pair of the half cylindrical shafts 32. A cylindrical shaft body 31 constituted of a pair of the half cylindrical shafts 32 is integratedly joined to the outer circumferential face of the core shaft body 13 of a support shaft 30 by ultrasonic welding at the weld projections.  Hereby, when a sun visor main body 11 is rotationally moved around the lateral shaft of a supporting shaft under the condition in which the support shaft 30 is hooked with a locking hook 6, the support shaft 30 is smoothly rotationally moved in the locking hook 6 without relative rotational movement of the cylindrical shaft body 31 against the core shaft body 13 of the support shaft 30.
Patent JP-H07320383-A (JP)
Title: Changer system
Inventor: HISAMATSU NOBUAKI
IPC: G11B17/22
Filed: 1994-05-25
Abstract: PURPOSE:To prevent the finger of operator of a changer system and foreign matters from getting in the system so as to eliminate the occurrence of injuries and faults by stopping the carrying operation of the system when it is detected that a covering means is opened by means of a detecting means. CONSTITUTION:When it is detected that the lifting/lowering operations of an elevator block is being controlled or the lifting/lowering operations are about to be started, the process advances to the next step and the lifting/lowering operations of the elevator block are urgently stopped or prevented from being started. In other words, the operations of a lifting/lowering motor 51 are urgently stopped so that the lifting/lowering operations of the elevator block is made to be not performed. At the point of time when it is detected that a lid 11 is closed by means of an opening/closing sensor 112 in the next step, required operations are restarted.
Patent JP-H07263171-A (JP)
Title: Light modulating device of fluorescent lamp
Inventor: NAMIKAWA YASUYUKI
IPC: H05B41/392
Filed: 1992-04-01
Abstract: PURPOSE:To provide a light modulating device of a fluorescent lamp capable of controlling lamp current in simple circuit constitution by varying source voltage of an inverter type a.c. lighting circuit. CONSTITUTION:In an inverter type a.c. lighting circuit 1, when the output of a blocking oscillation circuit is integrated by L, C circuit, current flowing in the circuit is increased with decrease in repeating periods of output pulses in the blocking oscillation circuit. Basic frequencies of rectangular waves decrease with increase in the voltage of a power source 3, and increase with decrease. By varying the voltage of the power source 3, current in a lamp 2 can be controlled. Without using technology such as varying impedance of elements in the inverter circuit, light modulation is made possible by only varying power source voltage of the inverter.
Patent JP-H0429231-A (JP)
Title: Multilayered optical recording material
Inventor: OGAWA SHUICHIRO
IPC: G11B7/24012
Filed: 1990-05-25
Abstract: PURPOSE:To obtain the recording material which has a high sensitivity and flexibility by forming a reflecting layer as a metallic silver gloss layer formed by reaction of a silver compd. in the presence of silver or the metallic developing nuclei nobler than the silver. CONSTITUTION:This recording material consists of the multiple layers having the reflecting layer and the reflecting layer is the metallic silver gloss layer formed by the reaction of the silver compd. in the presence of the silver or the metallic developing nuclei nobler than the silver. This reflective metallic silver gloss layer is constituted by forming the metallic developing nuclei on the layer which is previously applied thereon and contains the silver compd., reducing agent, binder, etc., and further heating the layer for several seconds to several minutes under a suitable heating condition, for example, at least at >=70 deg.C. The reflective metallic silver gloss layer is then formed on the surface layer. An org. silver salt and silver carboxylate-contg. high polymer are used as the silver compd. The flexible recording material which has the high sensitivity and is usable even under severe conditions, such as bending, is obtd. in this way.
Patent JP-H08300200-A (JP)
Title: Punch press
Inventor: NAITO KINSHIRO
IPC: B21D24/00
Filed: 1996-05-02
Abstract: PURPOSE: To provide a punch press by which both workings of the punching working and the drawing working of a metallic plate can be performed. CONSTITUTION: In a punch press equipped with a vertical drive device for driving vertically a ram 7 moving vertically a punch 3 working a metallic plate 1 in cooperation with a die 5 and a ram control part for controlling the vertical movement speed of the ram 7, the ram control part is equipped with a first control part controlling the operation pattern of the punch 3 at the time of the punching working of the metallic plate, which is performed in cooperation with the punch 3 and the die 5, and a second control part controlling the operation pattern of the punch 3 at the time of the drawing working of the metallic plate, which is performed in cooperation with the punch 3 and the die 5.
Patent JP-S5761834-A (JP)
Title: Foam-like vibration damping material
Inventor: TOYOSAWA SHINICHI
IPC: F16F15/02
Filed: 1980-09-29
Abstract: PURPOSE: To prepare an excellent vibraion damping material by adding the assigned amount of powdery filler in the process of producing a polyurethane foam.  
     CONSTITUTION: In the process of producing a polyurethane foam, powdery fillers such as scaly inorganic fillers including mica, graphite etc., the size of which is from 10 mesh to 325 mesh, are added to the usual urethane materials having an end hydroxyl group, for example, polymer, foaming agent and catlyst etc., in amount of 20W400pts.wt. to 100pts.wt. of polymer to obtain a foam-like vibration damping material. The obtained damping material has the maximum loss coefficient (η) of more than 0.1, and the frequency which gives the maximum value exists between 50W1,200Hz, and especially, this damper shows an excellent vibration damping quality in a wide temperature range. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-H02312338-A (JP)
Title: Multivalue demodulation system
Inventor: NAKAMURA MAKOTO
IPC: H04L27/36
Filed: 1989-05-26
Abstract: PURPOSE:To suppress the mean distortion of a reproducing analog signal by employing such methed to conform a signal obtained by digitizing an analog signal to a bit string representing the signal point of a multivalue modulation signal that a bit with low reproducing distorion sensitivity in a digital signal is allocated to a bit with a high mean error rate in the bit string. CONSTITUTION:An information source encoder circuit 11 inputs the analog signal 100, and outputs the digital signal 110, and a serial-parallel conversion circuit 12 converts the digital signal 110 into a two-bit parallel signal 120 at every n bits. A sequence conversion circuit 13 receives the parallel signal 120 of n bits, and performs the replacement of sequence of the bit based on a prescribed rule. In other words, as the method to respond the digital signal 110 to the bit string representing the signal point of the multivalue modulation signal, such method that the sequence of the signal is converted so as to allocate the bit with the low reproducing distortion sensitivity in the digital signal 110 to the bit with the high mean error rate in the bit string, is employed. Thereby, it is possible to keep the distortion of a reproducing analog voice signal due to a frequently generated transmission error at a low level.
Patent JP-H04358857-A (JP)
Title: Ion flow electrostatic recording head
Inventor: HIJINO MASAMICHI
IPC: B41J2/415
Filed: 1991-06-05
Abstract: PURPOSE:To provide most principally an ion flow electrostatic recording head which is of lower cost than mica: which has a dielectric layer of a high relative dielectric constant whose manufacturing process is simple, whose insulation strength is high and which is strong to corona discharge. CONSTITUTION:An ion flow electrostatic recording head is obtained wherein a dielectric layer 6 is formed of thermosetting resin which contains ceramic powder, and a protective film 21 which protects the dielectric layer 5 against discharge caused by ions is provided on the dielectric layer 6.
Patent JP-H08329490-A (JP)
Title: Tracking error signal generating device
Inventor: TAKAHASHI HIROYUKI
IPC: G11B19/12
Filed: 1995-05-31
Abstract: PURPOSE: To simplify the constitution and the adjustment of a pickup performing recording/reproduction of plural kinds of optical recording media having different track pitches from each other by using both tracking error signal generating circuits by a three-beam method and a DPP(differential push pull) method and a part of photodetectors of the pickup in common. CONSTITUTION: A part of a tracking error signal generating circuit by three- beam method and a part of a tracking error signal generating circuit by DPP method are made to use in common and a part of photodetectors D1, D2, D3, D4 of a pickup 4 is made to use in common. Otherwise, as to the tracking error signal generating circuit by three-beam method and a tracking error signal generating circuit by heterodyne method, a part of photodetectors composing the pickup 4 is made to use in common. Consequently, the constitution and the adjustment of the pickup 4 performing recording/reproduction of plural kinds of optical recording media having different track pitches from each other are simplified.
Patent JP-H084044-A (JP)
Title: Interference preventive device of work machine
Inventor: NASU KATSUYOSHI
IPC: E02F3/43
Filed: 1994-06-16
Abstract: PURPOSE:To distinguish jack up operation from operation other than this and make the interference preventive action of a bucket and an operating room proper by deciding whether or not a boom angle is more than a specific angle. CONSTITUTION:An abnormal intrusion decision sphere and an interference preventive sphere are set from the front of an operating room over to the lower part, and the memory portions 26, 27 of the operation device 23 of a controller are made to memorize this. Also, the tip coordinates of a bucket is calculated at the coordinates operation portion 24 of the operation device 23, and a boom angle deciding portion 25, it is decided whether or not a boom angle alpha is more than a specific angle. In addition, at a comparison operation portion 29, it is decided whether or not the bucket tip coordinates have intruded into each sphere, and when the tip of the bucket has intruded into the abnormal intrusion decision sphere, if it is alpha>=k, it is regarded as abnormal intrusion, and the interference direction action of a work machine is kept prohibited even after abnormal intrusion decision sphere retreat. Meanwhile, if it is alpha<k, it is decided as jack up operation, and automatic return to normal operation is made at the time point of the abnormal intrusion decision sphere retreat.
Patent JP-S5657339-A (JP)
Title: Noise reduction system for tape recorder or the like
Inventor: SHIROSAKO KATSUNORI
IPC: H04B1/10
Filed: 1979-10-17
Abstract: PURPOSE:To ensure an effective elimination or suppression for the noise, by changing the conductance within an operation amplifier with the external bias current. CONSTITUTION:The signals supplied from the record/reproduction magnetic heads 1 and 2 plus the noise are applied to the buffers 5 and 6 via the amplifiers 3 and 4 each, and furthermore the signals and the noise passed through the buffers 5 and 6 are supplied individually to the mixing amplifier/high pass filter 7 as well as the voltage control filters 10 and 11. The outputs of the buffers 5 and 6 are mixed up through the filter 7 and then filtered and amplified through the internal HPF. And this output is applied to the peak value detecting amplifier 8, and then the DC control current of a certain level is delivered through the amplifier 8. This control current is applied to the filters 10 and 11 which use the outputs of the buffers 5 and 6 as the input to give a control to the filter property of the filters 10 and 11 each. And the high-band noise is eliminated. Thus the signal from which the noise is eliminated effectively is delivered through the power amplifier 12.