| Patent Number |
Title Of Patent |
Date Issued |
| D271761 |
Video disc player |
December 13, 1983 |
|
| D270832 |
Video disc player |
October 4, 1983 |
|
| D258286 |
Combined television receiver and video tape recorder |
February 17, 1981 |
|
| D255902 |
Projection television receiver |
July 15, 1980 |
|
| D255682 |
Projection television receiver |
July 1, 1980 |
|
| 7426088 |
Magnetic disk drive with function assignment and manufacturing method therefor |
September 16, 2008 |
| Embodiments of the invention provide a disk drive that may perform part of a function assignment process without being connected to a special test apparatus. In one embodiment, servo data is written only into dedicated regions of a disk. A function assignment program is stored within the |
| 7409063 |
Contents distribution system |
August 5, 2008 |
| A digital contents distribution system has a multi-layered structure including a server device (CS device) of one or a small number of managers which are each to be a manager main body, a plurality of server devices (DS devices) of middle managers, and client terminal devices (SC ter |
| 7373477 |
Fragmentation executing method and storage device |
May 13, 2008 |
| When a host apparatus transfers/swaps stored information between user sectors in a storage device for the purpose of defragmentation or the like, the storage device is allowed to perform the data transfer or swap without transmission between the host apparatus and the storage device |
| 7361624 |
Catalyst for hydrotreating gas oil, process for producing the same, and method for hydrotreating |
April 22, 2008 |
| A catalyst for hydrotreating gas oil, which comprises an inorganic oxide support having provided thereon: at least one selected from metals in the Group 6 of the periodic table at from 10 to 30% by weight, at least one selected from metals in the Group 8 of the periodic table at from 1 t |
| 7342735 |
Method of writing patterns onto a recording disk, and data storage device |
March 11, 2008 |
| Embodiments of the invention relate to writing servo patterns having aligned phases onto a recording disk in a process to write the servo patterns onto the disk. In one embodiment, time aligned patterns are written onto a magnetic disk on the basis of time intervals between base patt |
| 7302122 |
Optical fiber holding device, optical dispersion-equalizer, and method of manufacturing optical |
November 27, 2007 |
| There is disclosed an optical fiber holding device comprising an optical fiber 1 with a grating 2 for reflecting a propagated optical signal of a number of wavelengths, a heater 3 for heating the grating 2 to a predetermined temperature distribution, a strip-shaped member 6 having a |
| 7275261 |
Method and system for monitoring utilizing condition of contents, computer program and recording |
September 25, 2007 |
| In a contents distributing system, a monitoring server is equipped on a network with which all user terminals being capable of utilizing contents are allowed to connect, and a member card is issued to a user operating the user terminal. In the contents distributed from an information |
| 7035174 |
Optical disc drive and optical pickup apparatus that correct astigmatism |
April 25, 2006 |
| An optical disc drive compatible with optical discs of different types, for example, is provided. For focusing, through an optical system used in common with the different types of optical discs, a laser beam emitted from a selected one of a plurality of light sources disposed apart from |
| 6930849 |
Disk drive unit, controller for actuator, and method for controlling hard disk drive and disk dr |
August 16, 2005 |
| In a hard disk drive where data is read from and written to a magnetic disk by a magnetic head in accordance with a command from a host computer, a moving distance of the magnetic head in a radial direction is detected within a predetermined period of time. The magnetic head is moved for |
| 6892607 |
Steering wheel |
May 17, 2005 |
| A steering wheel including a core metal of a ring portion also includes a soft portion and a hard portion for covering circumferential portions of the core metal. Leather is disposed on a surface of the soft portion and overlaps edges of the hard portion. Extended portions extending from |
| 6840118 |
Wave gear device torque detection method |
January 11, 2005 |
| A wave gear device torque detection method in which the gain of the output of each of a plurality of strain gauge sets affixed to the diaphragm of a flexible external gear is amplified and the outputs are then combined to form a detection signal. Adjusting the gain of each of the strain |
| 6807322 |
PMD compensating apparatus for controlling polarization controller based on detection of magnitu |
October 19, 2004 |
| In a polarization mode dispersion compensating apparatus for controlling polarization mode dispersion of an optical signal, a first optical monitor detects and outputs, based on an optical signal outputted from a first optical transmission line having a grating, a first detection signal |
| 6757461 |
Tunable dispersion compensation device, optical receiver, and optical fiber communication system |
June 29, 2004 |
| A tunable dispersion compensation device comprises an optical waveguide having a grating, a plurality of heaters arranged along an optical axis of the optical waveguide, and a pulsed-current supplying unit for producing a desired temperature distribution in the grating by supplying a plu |
| 6657931 |
Optical disc drive for performing read/write operations on optical disks |
December 2, 2003 |
| An optical disc drive compatible with optical discs of different types, for example, is provided. For focusing, through an optical system used in common with the different types of optical discs, a laser beam emitted from a selected one of a plurality of light sources disposed apart from |
| 6653612 |
Optical pickup and an optical disc drive using such optical pickup |
November 25, 2003 |
| An optical pickup is provided which is constructed from a single optical integrated device adapted to write data to, and/or read data from, more than one type of optical disc such as CD, DVD and the like. The optical integrated device includes means for selectively providing as output a |
| 6522809 |
Waveguide grating device and method of controlling Bragg wavelength of waveguide grating |
February 18, 2003 |
| A waveguide grating device controlling Bragg wavelength after manufacture of the device includes an optical waveguide on a substrate. A variable stress is applied to a waveguide grating in part of the waveguide to bend at least the portion of the substrate including the waveguide grating |
| 6516401 |
Data reading method and data reading apparatus |
February 4, 2003 |
| The present invention provides, at a lower cost, a highly reliable data reading method and data reading apparatus that can improve backward sequential reading performance. The disk drive is provided with a magnetic disk and a control section having an HDC, a RAM, an MPU controlling the |
| 6392569 |
Decoding apparatus, data reproduction apparatus, and decoding method |
May 21, 2002 |
| A decoding apparatus and data reproduction apparatus which can perform correction of 1T and 2T which inherently cannot exist as EFM signals, reduce processing of an error correction circuit, and improve the playability. Provision is made of an EPM block containing a correction portio |
| 6386063 |
Steering wheel |
May 14, 2002 |
| A steering wheel incorporates a hard portion bonded to the overall circumference in the cross-sectional circumferential direction of a ring portion and a soft portion molded to cover the core metal of the ring portion. The hard portion and the soft portion can be formed around the co |
| 6314638 |
Apparatus for manufacturing electrode plate for nonaqueous electrolyte battery |
November 13, 2001 |
| An apparatus for manufacturing an electrode plate of a nonaqueous secondary battery comprises means for moving a sheet conductive base material in a first direction, a die nozzle for injecting an electrode material composition onto the sheet conductive base material, a pump disposed in |
| 6284405 |
Nonaqueous electrolyte battery, electrode plate for nonaqueous electrolyte battery, and method f |
September 4, 2001 |
| A method for manufacturing an electrode plate of a nonaqueous electrolyte battery comprises the steps of: running a sheet conductive base material in a first direction; and injecting an electrode material composition containing an electrolyte from a die nozzle onto a first surface of the |
| 6249854 |
Data reading method and apparatus for a disk drive storage device |
June 19, 2001 |
| The present invention provides, at a lower cost, a highly reliable data reading method and data reading apparatus that can improve backward sequential reading performance. The disk drive is provided with a magnetic disk and a control section having an HDC, a RAM, an MPU controlling the |
| 6170340 |
Torque detection mechanism for a flexed meshing type gear drive |
January 9, 2001 |
| A cup-shaped flexible external gear 3 of a flexed meshing type gear drive 1 is flexed into an elliptical shape by a wave generator 4. A first torque detection device 6 is disposed on a portion of the external gear 3, for example, on a diaphragm 33 thereof which has a pair of torque detec |
| 5982722 |
Tracking servo apparatus for carrying out tracking by eliminating an offset component from an ou |
November 9, 1999 |
| An offset component extracting circuit is supplied with a tracking error signal TE' obtained by using the push-pull method and including an offset component resulting from optical axis deviation, etc. of the object lens followed by tracking. The offset component extracting circuit extrac |
| 5963516 |
Tracking control apparatus of optical disc apparatus and method of same |
October 5, 1999 |
| A tracking control apparatus of an optical disc apparatus capable of preventing unstability of the tracking control due to the deviation of balance of a tracking error signal due to a movement of the field of vision of an object lens. A hysteresis tracking error signal is generated b |
| 5946168 |
Magneto-resistance effect device and magnetic head |
August 31, 1999 |
| A magneto-resistance effect device (MR device) in which stable magneto-resistance characteristics may be achieved even if a layer of a soft magnetic material is reduced in width. The MR device includes a layer of a soft magnetic material 1, a rear end electrode 4, connected to one lo |
| 5920528 |
Optical disc apparatus and method of tracking control of optical disc apparatus |
July 6, 1999 |
| An optical disc apparatus for recording and/or reproducing with respect to an optical disc, comprises a light source for emitting a laser beam; an object lens for focusing the laser beam toward the optical disc; a supporting device which supports the object lens; a sled portion which |
| 5864440 |
Data processing method and data storage system |
January 26, 1999 |
| When writing user data D, the user data D is stored in a register 46, and using both the user data D and the sector information (ID) of the user data D, an error correction code ECC is generated by an ECC generation algorithm Ar. A stored information Rw made up of the user data D and the |
| 5698336 |
Magnetic recording medium |
December 16, 1997 |
| A magnetic recording medium is disclosed, which has a magnetic layer containing a hexagonal ferrite powder dispersed in a resin binder, the magnetic layer being formed on a nonmagnetic supporting substrate, wherein the hexagonal ferrite powder is a compound represented by the following |
| 5645520 |
Shape memory alloy actuated rod for endoscopic instruments |
July 8, 1997 |
| A construction element that contains a shape memory element which changes shape in response to a change in the temperature of the memory element. The temperature is varied by a fluid which flows through channels adjacent to the shape memory element. The fluid typically flows through an i |
| 5467329 |
Optical disc playback apparatus and method which utilizes single RAM for data decoding and TOC p |
November 14, 1995 |
| An optical disc playback apparatus for playing back information such as music recorded on a compact disc (CD) and/or information such as data recorded on compact disc read only memory (CD-ROM) comprises: device for reading the information from the CD or the CD-ROM; device for decoding th |
| 5384761 |
Optical disc player having a disk offset detection and protection |
January 24, 1995 |
| An optical disk player is provided which includes a disk driving unit for driving an optical disk, a traverse count circuit for counting the number of recording tracks on the optical disk traversed by an optical pickup, an angle detection circuit for detecting the rotational angle throug |
| 5247501 |
Tracking error detection apparatus for an optical disk |
September 21, 1993 |
| A recording and/or reproducing apparatus for from an optical disk includes a tracking error signal forming device for forming a tracking error signal by taking the difference of detection output signals from at least a pair of light beam detectors provided in an optical pickup having an |
| 5218453 |
Optical disc access control apparatus |
June 8, 1993 |
| A video disc apparatus including a disc rotating device for rotating an optical video disc at a constant linear velocity, a tracking servo device for causing an optical pickup to tack a recording track on the optical video disc, and a translating device for translating the optical pickup |
| 5059469 |
Magnetic recording medium |
October 22, 1991 |
| The magnetic recording medium has superposed on at least one surface of a non-magnetic support member a magnetic layer possessing a surface shape such that the space-average wavelength (2.alpha.a) is in the range of 15 .mu.m to 30 .mu.m and the surface-average roughness (sRa) in the rang |
| 5035366 |
Paper shredder with service power outlet |
July 30, 1991 |
| A paper shredder is provided not only with cutters for cutting paper, a driver for driving the cutters and a power source for the driver, but also with a service power outlet from which power can be supplied to an external electrical equipment such as a vacuum cleaner. A door is provided |
| 4957243 |
Shredder |
September 18, 1990 |
| A shredder for feeding documents from a document loading portion to a document shredding portion so as to shred the documents by the document shredding portion, in which the document loading portion is constituted by a plurality of document loading apertures such that a total quantity of |
| 4880666 |
Method of manufacturing magnetic recording medium |
November 14, 1989 |
| A method of manufacturing a magnetic recording medium has a step of mechanically pulverizing and mixing a composition of a binder consisting of a solid resin and a magnetic powder so as to form a mixed powder. The method allows mass-production of magnetic recording media having excellent |
| 4714654 |
Magnetic recording medium |
December 22, 1987 |
| A magnetic recording medium in which a hexagonal crystalline system ferromagnetic powder having a specific surface area of 25 to 50 m.sup.2 /g is dispersed in a resinous binder is suitable for high-density recording which is low in noise and is excellent in orientation properties. |
| 4695513 |
Magnetic recording medium |
September 22, 1987 |
| There is disclosed a magnetic recording medium wherein a magnetic powder is uniformly dispersed in a curable substance of a binder resin material comprising a vinyl chloride-vinyl acetate series resin and/or a polyurethane series resin, at least one of which having a B value in a fol |
| 4578313 |
Powder for magnetic recording media and process for manufacturing the same |
March 25, 1986 |
| A powder for a magnetic recording medium comprising a plurality of magnetic particles and a coating covering the surfaces of the magnetic particles. The coating is a residue resulting from the thermal decomposition of an organic material. The powder is manufactured by applying one or mor |
| 4511617 |
Magnetic recording medium |
April 16, 1985 |
| Disclosed is a magnetic recording medium which comprises; a substrate; a first magnetic layer applied on the surface of the substrate and having an easy axis of magnetization in the in-plane direction of the substrate; and a second magnetic layer applied on the surface of the first magne |
| 4445109 |
Temperature sensing device |
April 24, 1984 |
| Temperature sensing device which has a temperature sensing part including a microchip thermistor in the form not greater than a very small thin piece having a volume of 2 mm.sup.3 as a temperature sensing element. The temperature sensing part is connected to an external circuit to which |
| 4265841 |
Method for production of composite piezoelectric material |
May 5, 1981 |
| Disclosed is a method of producing composite piezoelectric materials exhibiting a high flexibility and a high piezoelectric effect, comprising the steps of treating an inorganic dielectric material powder with a latex-containing dispersion so as to coat the surfaces of the powder par |
