| Patent Number |
Title Of Patent |
Date Issued |
| D268089 |
Chain saw |
March 1, 1983 |
|
| 6651179 |
Delay time judging apparatus |
November 18, 2003 |
| Apparatus of judging delay time, capable of judging whether or not delay time for delaying an input signal is equal to a desired delay, includes: a shift clock supply unit which supplies a shift clock whose phase is delayed by the desired delayed time against a phase of a reference clock |
| 6464360 |
Projection type display apparatus |
October 15, 2002 |
| The projection type display apparatus according to the present invention has a prism for separating incident light into a plurality of light components and combining the plurality of modulated color components. The prism is constituted by a plurality of prism assemblies, each including a |
| 5680373 |
Reproducing apparatus for magneto-optical recording device |
October 21, 1997 |
| In a magnetooptical reproducing apparatus and method, data recorded in a first layer of a magnetooptical recording medium is transcribed to a second layer by a reproduction magnetic field and is optically reproduced from the second layer. |
| 5539709 |
Magnetooptical recording method and apparatus using multi-layered media |
July 23, 1996 |
| A magnetooptical recording method for recording data using a bit having upward-magnetization and a bit having downward-magnetization on a recording layer of a magnetooptical recording medium comprises the steps of using, as the medium, a multilayered magnetic recording medium consist |
| 5475657 |
Overwrite capable magnetooptial recording apparatus |
December 12, 1995 |
| An overwrite capable magnetooptical recording apparatus comprises a moving magnetooptical recording medium to which is applied an initial magnetic field and a laser beam which irradiates the moving medium. The beam intensity is modulated, in accordance with binary data to be recorded, |
| 5473582 |
Magneto-optical recording method having constant recording sensitivity and magneto-optical recor |
December 5, 1995 |
| A magneto-optical recording medium includes a magnetizable amorphous alloy film having a perpendicular magnetic anisotropy to the film surface. The film is formed from rare earth metals and transition metal, such that the film has a Curie point that increases as the proportion of the tra |
| 5458987 |
Multilayered magnetooptical recording medium |
October 17, 1995 |
| A magnetooptical recording method for recording data using a bit having upward-magnetization and a bit having downward-magnetization on a recording layer of a magnetooptical recording medium comprises the steps of using, as the medium, a multilayered magnetic recording medium consist |
| 5440531 |
Magneto-optical reproducing method |
August 8, 1995 |
| A magnetooptical recording method for recording data using a bit having upward-magnetization and a bit having downward-magnetization on a recording layer of a magnetooptical recording medium comprises the steps of using, as the medium, a multilayered magnetic recording medium consist |
| 5367507 |
Over write capable magnetooptical recording method, and magnetooptical recording apparatus and m |
November 22, 1994 |
| A magnetooptical recording method for recording data using a bit having upward-magnetization and a bit having downward-magnetization on a recording layer of a magnetooptical recording medium comprises the steps of using, as the medium, a multilayered magnetic recording medium consist |
| 5239524 |
Over write capable magnetooptical recording method, and magnetooptical recording apparatus and m |
August 24, 1993 |
| A magnetooptical recording method for recording data using a bit having upward-magnetization and a bit having downward-magnetization on a recording layer of a magnetooptical recording medium comprises the steps of using, as the medium, a multilayered magnetic recording medium consist |
| 5204193 |
Recording magnetooptical recording medium |
April 20, 1993 |
| A Curie temperature (Tc) writing magnetooptical recording medium which uses a dual perpendicular magnetic layer is composed of a first layer having a low Curie point (TL) and a high coercive force (HH) and a second layer having a relatively high Curie point (TH) and low coercive force (H |
| 5014252 |
Over write capable magnetooptical recording method using two beams, and magnetooptical recording |
May 7, 1991 |
| A magnetooptical recording method for recording data using a bit having upward-magnetization and a bit having downward-magnetization on a recording layer of a magnetooptical-recording medium comprises the steps of using, as the medium, a multilayered magnetic recording medium consist |
| 4855975 |
Over write capable magnetooptical recording method using two beams, and magnetooptical recording |
August 8, 1989 |
| A magnetooptical recording method for recording data using a bit having upward-magnetization and a bit having downward-magnetization on a recording layer of a magnetooptical recording medium comprises the steps of using, as the medium, a multilayered magnetic recording medium consist |
| 4853912 |
Process and apparatus for simultaneous erasure and recording in magneto-optical recording |
August 1, 1989 |
| A magneto-optical recording process is produced by irradiating a recording track of a recording medium, in the course of movement thereof, with a main light beam of intensity sufficient for heating the medium to a temperature at which the coercive force thereof is reduced to zero or a |
| 4753853 |
Double-layered magnetooptical recording medium |
June 28, 1988 |
| A double-layered magnetooptical recording medium consists of two exchange-coupled layers that permit perpendicular magnetization, one layer having a low Curie point and a high coercive force and the other layer having a high Curie point and a low coercive force. The layer having low |
| 4667786 |
Blade-brake clutch device for lawn mower |
May 26, 1987 |
| A blade-brake clutch device of a lawn mower in which a brake drum of an internal expanding type brake and a clutch drum of a centrifugal type clutch are combined together with back to back relation and fixedly secured to a rotating shaft of a mower blade, there being provided a clutc |
| 4223419 |
Shoulder-supported pneumatic sweeping apparatus |
September 23, 1980 |
| A shoulder-supported pneumatic sweeping apparatus including a frame having attached to its upper portion a grip having a shoulder strap connected thereto, and formed at one end thereof with an air outlet port connected through a flexible pipe to an air ejecting pipe having an operating h |
| 4152832 |
Cord-type cutting device of mowing apparatus |
May 8, 1979 |
| A cord-type cutting device of mowing apparatus having engaging portions formed in a cord reel and a lower cover and in a cord reel casing and the lower cover, and including a nut dislodging preventing member attached to the lower end of a main shaft formed in its lower end portion with a |
