Matches 1 - 22 out of 22
Match Document Document Title
7516465 Slider for an optical data writing/reading apparatus, and apparatus comprising such a slider  
A slider for an optical apparatus having an optical lens defining a focal point, includes a resilient element configured for maintaining a distance between a portion of the slider and a disk; and a...
7406700 Disk player for reducing focus servo characteristic  
A deck is formed integrally on a front side of a drive chassis. As the drive chassis is moved upward, a disk is mounted on a turntable. The disk is rotated at high speed by a spindle motor, and an...
7328446 Apparatus for reducing sensitivity of an article to mechanical shock  
Apparatus for reducing sensitivity of an article to mechanical shock comprises a frame; first and second planar masses mounted in the frame for bi-directional movement relative to the frame along a...
7296281 Eddy attenuating apparatus for an optical pickup assembly and disc drive adopting the same  
An optical pickup assembly having: a pickup base; an actuator installed in the pickup base, and having a blade, on which an objective lens to radiate light onto a disc is mounted; a cover,...
6826769 Recording and reproducing device having a stabilizing board and vertically-oscillating slider  
A recording and reproducing device of the present invention is provided to achieve the object of realizing stable and desirable recording and reproducing of information by suppressing fluttering of...
6519220 Disk device with eliminatable gaps  
A disk device for recording and reproducing information on a disk includes a spindle motor for rotating the disk, a head for reading and writing information signals from and on the disk, a feed...
6356526 Optical device  
In an optical device, first, second and third reference axes intersect at right angles with each other at a predetermined point and a first reference plane is defined by the first and second...
6259671 Object lens actuator  
The peak value of the higher resonant frequency vibration of a moveable part of an object lens actuator is reduced without requiring any additional mounting space, increasing the number of...
6212157 Apparatus for suppressing warping optical disk and optical disk apparatus  
An apparatus for suppressing warping of a rotating optical disk including a disk warp suppressing member facing a surface of the upturned side of the optical disk in a manner to be in sliding...
5933406 Linear guide device  
Holding parts are formed on a base just inside the parts fixing both ends of a guide rail on the base. The holding parts are provided with respective U-shaped channels which are so formed as to...
5926451 Optical disk unit having reduced wobble  
An optical disk unit for recording or reproducing information contained on an optical disk, wherein the optical head is mounted on a base that slides freely along a seek shaft. There is a clearance...
5901133 Objective lens actuator  
An objective lens actuator including an objective lens holding body for holding an objective lens, and a sheetlike drive coil arranged on an outer circumferential surface of the objective lens...
5726968 Electro-optical scanning device, hinge element for use in the scanning device, and optical player comprising the scanning device  
An electro-optical scanning device comprises a lens (2) having an optical axis (2a), which lens is movable in a focusing direction (F), related to the optical axis, to form at least one radiation...
5668791 Damper mechanism for a recording and/or reproducing apparatus  
A damper mechanism for mounting a base member containing a recording/reproducing apparatus to a frame includes a solid shaft member having a caulking recess in one end, and a threaded opening in an...
5612945 Device for recording and/or reading information by means of a radiation beam, plate-shaped element suitable for use in the device, and disc player comprising the device  
An optical scanner for a disc placed on a turntable, having a scanning device mounted on a slide which is movable radially with respect to the turntable. The slide includes a body made of two thin...
5446721 Objective lens drive device with support system  
In an objective lens driving apparatus used in an optical information recording and reproducing apparatus or the like, a vibration is suppressed and a resonance peak on transfer function is...
5323378 Compact optical pickup  
A compact optical pickup in which the optical elements are mounted on an optic holder driven as a unitary structure. The pickup includes the optic holder having a vertical hole at one end through...
5031170 Optical pick-up device  
An optical pick-up device comprises a body, an objective lens provided on the body so as to oppose a recording medium, a laser source for producing a laser beam, a mirror for reflecting the laser...
4583212 Record/playback head positioning device for optical disc apparatus  
An optical disc recording and playback apparatus has a record/playback head adapted to write data into and read them out of information tracks formed on a rotatable optical disc. A carriage...
4516231 Optical disc system having momentum compensation  
The focus actuator, turntable and translation stage in an optical disc record/playback system may effect relatively large reaction forces on the components of the system. These reaction forces can...
4373199 Apparatus for electromagnetically imparting stylus force for sound reproducing device comprising an inhibit circuit for shock noise of reproducing stylus  
Disclosed is an apparatus for electromagnetically imparting stylus force for sound reproducing device comprising an inhibit circuit for shock noise of the reproducing stylus. A selected one of...
4214756 Record player  
A record player includes an electro-magnetic member for applying to its tone arm an outside force which is varied to effectively cancel the inside force generated when the stylus located on the...
Matches 1 - 22 out of 22