baber/WOPTO huggingface dataset:
Patent JP-H0883408-A (JP)
Title: Thin film magnetic head
Inventor: OTSU TAKAYOSHI
IPC: G11B5/31
Filed: 1994-09-12
Abstract: PURPOSE: To improve the line recording density by making it possible to change gap length at the time of recording and gap length at the time of reproducing. CONSTITUTION: This thin film magnetic head is composed of an opened loop magnetic circuit on which magnetic cores by are formed by a lower magnetic pole 1 and an upper magnetic core 2 and which has a magnetic cap 3 by nonmagnetic films on the side of the surface to face recording media and a coil 4 which consists of conductors intersecting with the magnetic circuit by passing the spacing between the upper magnetic pole 2 and the lower magnetic pole 1. At least one of the magnetic poles are formed by a laminated structrure consisting of a high-permeability magnetic film 5, a high-saturation magnetic flux density magnetic film 6 and a low-saturation magnetic flux density magnetic film 7 in this order. The low-saturation magnetic flux density magnetic film 7 is arranged on the magnetic gap 3 side. The low-saturation magnetic flux density magnetic film 7 is satd. by the magnetic field generated at the time of recording and the magnetic permeability thereof exhibits a value similar to the magnetic permeability of air. A reproducing gap length is determined by the magnetic gap 3 consisting of the nonmagnetic films at the time of reproducing and the excellent reproducing characteristics with less gap loss by the narrow gap are exhibited. The recording density is, therefore, improved.
Patent JP-2000056514-A (JP)
Title: White toner composition
Inventor: VOETS RAPHAEL
IPC: G03G9/087
Filed: 1999-07-30
Abstract: PROBLEM TO BE SOLVED: To provide satisfactory fixability to provide a stable printing result in a long-time printing work and also provide a high shielding force by including toner resin consisting of polyester resin and a specified quantity of rutile type TiO2. SOLUTION: A nonmagnetic toner grain comprises 100 pts.wt. of toner resin at least 50 pts.wt. of which consists of polyester resin and 65-180 pts.wt. of rutile type TiO2 to 100 pts.wt. of the toner resin. The toner grain further may contain a wax, and a particularly useful wax is a monohydroxy compound having the formula: CH3(CH2)nOH wherein (n) is an integer of 21-360, a monocarboxy compound having the formula: CH3(CH2)nCOOH wherein (n) is an integer of 21-360, or an onium compound having at least 12C atoms and a maximum of 12C-atom alkyl group. Further, the toner grain may contain a fluorescent brightener emitting fluorescence under UV light.
Patent JP-H0959599-A (JP)
Title: Wet frictional material
Inventor: KANEKAWA TETSUO
IPC: C09K3/14
Filed: 1995-08-25
Abstract: PROBLEM TO BE SOLVED: To obtain a wet frictional material enhanced in static frictional coefficient and improved in abrasion resistance. SOLUTION: A wet frictional material produced by blending basic material fibers such as pulp or aramid fibers with a filler such as diatomaceous earth or cashew dust, processing the blend into paper, impregnating the paper with a resin binder such as a phenolic resin and subsequently thermally curing the impregnated binder, wherein the phenolic resin comprises a phenolic resin modified with both a drying oil and a cashew nut shell liquid. Since the phenolic resin is modified with both the drying oil and the cashew nut shell liquid, the phenolic resin can hold the flexibility and simultaneously have the improved curability in comparison with a phenolic resin modified only with the drying oil.
Patent JP-S60109998-A (JP)
Title: Manufacture of diaphragm for speaker
Inventor: OKUMURA MASATOMI
IPC: H04R31/00
Filed: 1983-11-18
Abstract: PURPOSE:To improve the performance of mold release of a composite by forming the composite through the forming of a B4C thermal spray film made of powder not coated with Ni to a mold frame and then plasma thermal spray of the thermal spray powder made of the B4C powder coated with Ni. CONSTITUTION:The B4C thermal spray powder not coated with Ni is applied with plasma thermal spray to the mold frame 4 of the speaker diaphragm so as to form the B4C thermal spray film 6a. Plasma thermal spray of the thermal spray powder coated with Ni to the B4C powder is applied to the thermal spray film 6a so as to form the composite used for the diaphragm for speaker. The speaker diaphragm 6 is obtained by releasing the composite 6 from the mold frame 4.
Patent JP-2000048772-A (JP)
Title: Dielectric barrier discharge lamp and irradiation device
Inventor: MORIMOTO YUKIHIRO
IPC: H01J65/00
Filed: 1998-07-31
Abstract: PROBLEM TO BE SOLVED: To effectively suppress damage of quartz glass caused by ultraviolet rays and obtain sufficient ultraviolet ray radiation amount by forming a light transmitting part in at least a part of a discharge chamber, and limiting the ratio of non-hydrogen bond OH groups to the total OH groups in the light transmitting part to a specified ratio or less. SOLUTION: A discharge chamber 1 is formed in double tube structure of an inside tube 2 and an outside tube 3 coaxially arranged, both made of quartz glass, both ends of the inside tube 2 and the outside tube 3 are sealed, and a discharge space 4 is formed between the tubes 2, 3. As the discharge gas, xenon gas is sealed at 40 kP for example. The ratio of non-hydrogen bond OH groups in the quartz glass is limited to less than 0.36. The non-hydrogen bond OH group means that an OH group is bound with only one silicon (Si). As a method for decreasing the content of the non-hydrogen bond OH groups in the quartz glass, for example, γ rays are irradiated to the quartz glass from a γ ray source.
Patent JP-S6459391-A (JP)
Title: Electronic musical instrument
Inventor: TAKATSU YASUHIRO
IPC: G10H1/00
Filed: 1987-08-31
Abstract: PURPOSE: To give reverberations to a musical sound and to obtain sustain effect good in quality and added with reverberation effect by providing a reverberation adding device and adding the addition quantity of reverberation effect corresponding to the control information of a control information generating means. CONSTITUTION: When a sustain pedal 2 is off, a CPU 3 outputs data matching the number of depressed keys of a keyboard as a reverberation control signal SVOL. When the sustain pedal 2 is on, maximum number (SVOL=88) is outputted irrelevantly to the number of depressed keys. The reverberation adding device 7 adds a reverberation sound to the musical sound signal from a musical sound generating device 4 corresponding to the reverberation control signal SVOL. Namely, the musical sound from the reverberation adding device 7 as a final output is given the reverberation sound proportional to the number of pressed keys when the sustain pedal 2 is off and while an envelope is as shown by E2 when the sustain pedal 2 is on, even a sound which lasts after key release is given a maximum reverberation sound, not to mention a sound during key depression.  Consequently, natural sustain effect of good quality can be obtained.
Patent JP-H04100346-A (JP)
Title: Multi-stage connection cell transfer circuit
Inventor: TANAKA TSUTOMU
IPC: H04L12/28
Filed: 1990-08-17
Abstract: PURPOSE:To exchange cells subject to concatenation multiplex by providing a cell queue corresponding to a number of a 3rd switch group to each switch of a 1st switch group applying exchange connection of an input cell. CONSTITUTION:Four F switches 102, four S switches 103 and four T switches 104 applying exchange connection to an input cell are formed to be 3-stage configuration to be expanded to 16X16 switches. A cell transmission arbitration circuit 101 arbitrates a cell transmission number requested from each of the F switches so as not to cause internal conflict and gives a transmission enable signal to each of the F switches. Then a queue of the F switches 102 is managed for each number of the T switches. Thus, large scale cell switches of 3-stage configuration is built up and cells subject to concatenation multiplex are exchanged.
Patent JP-S6460813-A (JP)
Title: Magnetic recording medium
Inventor: YOKOYAMA NORIO
IPC: G11B5/716
Filed: 1987-08-31
Abstract: PURPOSE:To improve electromagnetic conversion characteristics and weatherability by forming a 1st thin magnetic film consisting of Co or Fe-Co alloy and the 2nd thin magnetic film consisting of a Co-Ni alloy successively on a nonmagnetic base. CONSTITUTION:The magnetic layer is formed of the two-layered structure of the 1st thin magnetic film 2 consisting of a high-saturation magnetic flux density material and the 2nd thin magnetic film consisting of a material having excellent weatherability. Namely, the 1st thin magnetic film 2 consisting of the Co or Fe-Co alloy (substitution quantity of Co is 0-50atom.%) and the 2nd thin magnetic film 3 consisting of the Co-Ni alloy (substitution quantity of Ni is 20-50atom.%) are successively formed on the nonmagnetic base. A synergistic effect is thereby exhibited by the two films and the excellent electromagnetic conversion characteristics and weatherability are obtd.
Patent JP-S6196034-A (JP)
Title: Heat treatment of certain ring of chain
Inventor: HIRAHARA TAIICHIRO
IPC: C21D1/18
Filed: 1984-10-16
Abstract: PURPOSE:To heat treat surely only an untreated ring in a heat treating furnace by enveloping heat treated rings placed in a furnace together with the untreated ring in enveloping members so that proper spaces are left and by heating the untreated ring while circulating a fluid for cooling through the spaces. CONSTITUTION:Part of a long-sized chain 2 having heat treated rings 6, 7 and an untreated ring 5 connecting the rings 6, 7 is set in the heat treating furnace 1. At this time, at least parts of the rings 6, 7 drawn into the furnace 1 are enveloped in enveloping members 11 such as iron plates in a tightly sealed state so that spaces 12 of proper size are left. A fluid for cooling such as air is circulated through the spaces 12, and the connecting ring 5 is heated to a hardening temp. The chain 2 is then taken out of the furnace 1, and the heated ring 5 is quenched to carry out hardening.
Patent JP-H0270233-A (JP)
Title: System protector
Inventor: SUZUKI MAMORU
IPC: H02H3/00
Filed: 1988-08-31
Abstract: PURPOSE:To realize a highly reliable protector by interrupting a load on condition that three requirements of voltage, apparent power variation of load and apparent power variation rate of load are satisfied for a specific time. CONSTITUTION:A first block 1 judges that the voltage is lower than a set value K1 while a second block 2 detects that the apparent load power variation is larger then a set value K2 and a third block 3 detects that the time variation rate of the apparent load power is higher than a set value K3. When these three requirements are satisfied, output from on AND gate 4 goes to 1 and when such condition continues longer than the set time T1 of a timer element 5, a load interruption command is provided.
Patent JP-H0499373-A (JP)
Title: Semiconductor memory cell
Inventor: KAWARABAYASHI SHINYA
IPC: H01L27/04
Filed: 1990-08-18
Abstract: PURPOSE:To increase a charge storage capacity, and to prevent difficulty of inversion of stored information even if charge leakage occurs by providing a plurality of cylinders for forming first electrodes of capacitors concentrically. CONSTITUTION:A first electrode 20 of a capacitor is formed of a disc 23 and two cylinders 24a, 24b provided concentrically on the disc 23, and a dielectric 21 and a second electrode 22 are provided on the outer surface of the electrode 20. The outer diameter of the disc 23 is set to substantially the same size and shape as those of prior art. An inner cylinder 24a is set to slightly larger inner diameter than that of a contact hole 16 of an insulating film 13, and smaller diameter than that of a conventional cylinder 24. On the other hand, the outer cylinder 24b is provided near the outer peripheral edge of the cylinder 23, and set to slightly larger inner diameter than that of the conventional cylinder 24. That is, in a capacitor, since the two cylinders 24a, 24b are provided, charge storage capacity is larger than that of prior art.
Patent JP-S59102821-A (JP)
Inventor: JIEEMUZU FURETSUCHIYAA UORUZAA
IPC: C01G37/04
Filed: 1983-11-18
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-H08115571-A (JP)
Title: Optical disk
Inventor: HIDA MINORU
IPC: G11B20/12
Filed: 1995-08-25
Abstract: PURPOSE: To provide the drive system for an optical disk which is large in capacity and high in performance by specifying the relation between the number of servo clocks, SCKseg, and that of data clocks, DCKseg, with M and N used to denote integers. CONSTITUTION: The optical disk is provided with two or more substantially concentrically formed tracks. In each track, servopits giving servo information to the disk drive are provided. Plural segments, each of which is composed of a servo area, and a data area both arranged in the same radial direction. For every plural continuing tracks, a zone is formed. A relation between the number of servo clocks per segment, SCKseg, and that of data clocks per segment, DCKseg, is so set as to satisfy an equation DCKseg=SCKseg.M/N, where M, N are integers. The disk is divided into plural zones of which the number of sectors is uniform.
Patent JP-H0757399-A (JP)
Title: Magnetic medium reading device
Inventor: NAKAGAWA MASANAO
IPC: G06K7/00
Filed: 1993-08-09
Abstract: PURPOSE:To analyze a data error in detail and the performance of a reading device by utilizing the error analysis by obtaining the data of the time required for and a number of the magnetic flux reversals on the side of an external device such as a data processing part. CONSTITUTION:The flux reversal is detected from the potential change of a signal read out by a magnetic head 16 in a flux reversal time measuring part 20, the time of the interval of reversal is measured from the count value and the period of a sampling clock and stored in a RAM 19. After finishing the measurement, the data are decoded by means of a program stored in a ROM 18 in a CPU 17. Since the result of the decoding processing and the data of the time and the number for flux reversal are transferred to an external control part 24 through a transfer control part 23, decoding processing is also executed in the control part 24. A setting means for a number of bits and a sampling coefficient for determining the sampling time is provided in the CPU 17 and the reading performance is improved by deciding the data while changing the setting.
Patent JP-2000058967-A (JP)
Title: Optical semiconductor device and optical semiconductor set
Inventor: ISHIKAWA TSUTOMU
IPC: H01L31/02
Filed: 1998-07-31
Abstract: PROBLEM TO BE SOLVED: To achieve compact configuration by thinning the outer forms of a light emitting element and a light receiving element as thin as possible, even in a module and the set wherein these elements are assembled. SOLUTION: As light emitting element and light receiving element, semiconductor chips 23 and 24 are provided. A resin sealing body 25, which seals these elements, comprises the material, which is transparent with respect to light. Furthermore, on the region where the light is applied on the element, a groove 27 is formed. A reflection surface 26 is formed at the groove. As a result, light can be made exit and incident through a side surface E. The redesigning of a metal mold is not required by the shape of the groove and furthermore, strength can be enhanced.
Patent JP-2001044911-A (JP)
Title: Mobile terminal and device for predictively computing propagation delay time
Inventor: KIMURA SHIGERU
IPC: H04B7/15
Filed: 1999-07-30
Abstract: PROBLEM TO BE SOLVED: To provide a predicting device for propagation delay time capable of reliably performing transmission with an allocated time slot when communication is restored even through the communication between an orbiting satellite and a mobile terminal is temporarily disconnected. SOLUTION: The time slots of up and down links with an orbiting satellite SV are allocated to a mobile terminals SU, and the terminal SU performs transmission for the up link so as to go into the time slot of the satellite SV with the arrival time of a radio wave from the satellite SV as a reference. The terminal SU is provided with a means 32 for acquiring the Doppler frequency of a radio frequency at the downlink of the satellite SV, a disconnected time measuring means 34 for measuring the elapsed time from communication disconnection start with the satellite SV till downlink reception restart, and a predictively computing means 36 for compreting propagation delay time with the satellite SV from the Doppler frequency at the communication disconnection start with the satellite SV and the elapsed time.
Patent JP-2000048202-A (JP)
Title: Device and method for stereoscope recovery
Inventor: ITO TOSHIHIRO
IPC: G06T1/00
Filed: 1998-07-31
Abstract: PROBLEM TO BE SOLVED: To provide a device which can recover a three-dimensional shape from a two-dimensional picture including arbitrary plural objects where highlight areas exist. SOLUTION: Each object area is converted for every plane in a color space by applying a two-color reflection model to inputted two-dimensional picture data. By this conversion, only a plane corresponding to each object area is extracted from within the color space including plural planes while using characteristics of Hough conversion and a Hough curved line. Next, a spectrum distribution vector for an illumination light is extracted from a distribution state of each extracted plane. A three-dimensional shape of each object area is recovered using this spectrum distribution vector of the illumination light.
Patent JP-S6197087-A (JP)
Inventor: NAKAJIMA TOMIO
IPC: G01B21/00
Filed: 1984-10-19
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-H0863739-A (JP)
Title: Magnetic recording medium
Inventor: YAMAUCHI YUTAKA
IPC: C10M107/38
Filed: 1994-08-22
Abstract: PURPOSE: To obtain a magnetic recording medium with a lubricant layer ensuring a low coefft. of friction of the medium with a magnetic head, not causing decomposition by a catalyst at the time of local heating and suppressing the attraction of the head at high temp. and humidity. CONSTITUTION: When at least a ferromagnetic thin film and a protective film are laminated on a nonmagnetic substrate to obtain a magnetic recording medium, the protective film is made of carbon or oxide ceramics and a lubricant layer of a fluorine-contg. polyalkyl ether diol compd. having a number average mol.wt. of 800-5,000 represented by the chemical formula HOCH2 CF2 CF2 -O-(CF2 CF2 CF2 O)n -CF2 CF2 CH2 OH [where (n) is an integer] is formed on the surface of the protective film.
Patent JP-S59110806-A (JP)
Title: Steam turbine nozzle diaphragm
Inventor: MURAKAMI TOORU
IPC: F01D5/06
Filed: 1982-12-15
Abstract: PURPOSE:To prevent erosion from being developed on a nozzle diaphragm and wheels due to condensate by providing a groove for a drain sump on the inner surface and between the labyrinth packing of a nozzle diaphragm in the circumferential direction. CONSTITUTION:A drain sump 12 is provided on the inner surface of a nozzle diaphragm 8. Thereby a water drop 14 blown out through the gap 6 between wheels 2 is drawn into a vortex 13 without being directly entailed in the flow of leaked steam 7 since the water drop has a large speed element 15 heading for the outside of the radial direction due to centrifugal force, and, being unable to make a turn with a small turning radius due to its weight, it enters the drain sump 12. On the other hand, a drain discharge groove 16 is provided from the outer peripheral surface of the nozzle diaphragm 8 to the drain sump 12. Thereby the water gathered in the drain sump 12 is rotated being pressed against the outer-diameter side of the groove of the drain sump 12 due to a circling flow 17, and is introduced to the discharge groove 16 and discharged to the outside.
Patent JP-S6372000-A (JP)
Title: Semiconductor memory circuit
Inventor: NISHIYAMA MANABU
IPC: G11C29/42
Filed: 1986-09-16
Abstract: PURPOSE:To reduce a semiconductor chip area by providing a horizontal group decoder and a vertical group decoder in an array and adding an OR circuit. CONSTITUTION:The titled circuit is consisting of the horizontal group decoder 1 having the input of a high order column address 10 and the output of a horizontal group selection signal 12, a vertical group decoder 2 having the input of a low order column address 11 and the output of a vertical group selection signal 13, a horizontal group selection circuit 4 having the input of the horizontal group selection signal 12 and outputting the data of a bit line 3 to a horizontal group data output line 15, a vertical group selection circuit 5 having the input of the vertical group selection signal 13 and outputting the data of the bit line 3 to a vertical group data output line 16, the OR circuit 6 having the input of the horizontal group and the vertical group selection signals 12, 13 and the output of a bit line selection signal 14 and a switch 7 for connecting the bit line 3 and a data input/output signal line 17 by the bit line selection signal 14. The column address is divided into two sets and first and second decoders 1, 2 and the OR circuit are provided in the array, thereby, the number of wirings passing through the array is deleted and the semiconductor chip area can be reduced.
Patent JP-H0644806-A (JP)
Title: Color illumination device
Inventor: SATO KATSUMI
IPC: F21V9/40
Filed: 1992-07-24
Abstract: PURPOSE:To easily prepare a light of desired color by adjusting the light quantities of three light sources by the use of a dichroic mirror. CONSTITUTION:If one of the light sources 11a is solely lighted up, blue light is reflected by a dichroic mirror 12a and released from an emission hole 19. Among the green and red lights having penetrated the mirror 12a, the green is reflected by another dichroic mirror 12b to head to light source 11b while the red is transmitted by this mirror 12b to head to light source 11c, so that lights other than blue will not be released from the hole 19. If the light source 11b is solely lighted up, the blue light is reflected by the mirror 12a to head to the source 11c while the green is headed by the mirror 12a toward the source 11c, and accordingly only the red is released from the hole 19. If the light source 11c is solely lighted up, on the other hand, the blue light is reflected by the mirror 12a to head to the source 11b while the red is transmitted by the mirror 12a to head to the source 11a, and accordingly only the green is released from the hole 19.
Patent JP-S6373262-A (JP)
Title: Electrophotographic sensitive body
Inventor: YOSHIZAWA HIDEJI
IPC: G03G5/082
Filed: 1986-09-17
Abstract: PURPOSE:To improve characteristics of electric chargeability, dark decay resistance, and photosensitivity by using heterojunction lattice structure obtained by laminating semiconductor layers different from each other in the optical band gap and each having a thickness of 3-50nm for at least one part of a photosensitive body. CONSTITUTION:A barrier layer 2, a photoconductive layer 3, and a surface layer 4 is successively laminated on a conductive substrate 1, and the photoconductive layer 3 is constituted by alternately laminating thin layers of muc-Si:H 11 and thin layers of a-Si:H 12 each of both having a film thickness of 3-50nm. Such an ultralatice structure constituted by laminating the thin layers different from each other in the optical band gap is used, thus permitting the obtained photosensitive body to be high in sensitivity in the wide wavelength regions from the visible region to the near infrared region, superior in the transferability of carriers, high in resistivity, and superior in chargeability.