Class 369/13.34 - In compact size assembly

Subclass of Class 369 - Dynamic information storage or retrieval
Definition: Subject matter wherein an aspect of an apparatus is reduced
No. of patents: 34
Last issue date: 02/12/2008

Number	Title	Issue Date
7331056	Data storage cartridge having baffles A media cartridge for use with data storage libraries. The cartridge includes a housing having an opening through which a carrier tray can be loaded and extracted to reveal a media element. A number of baffles are included to limit exposure of the media elements to ...	02/12/2008
7233554	Disk drive system employing effective disk surface stabilization mechanism A stabilization part stabilizes surface vibration of a flexible optical disk along a rotation axis direction of the optical disk by means of pressure difference of air flow created according to Bernoulli's law at a portion on which information writing/reading is per...	06/19/2007
7187542	Disk drive/player positioning structure A disk drive/player positioning structure includes a bracket, a sliding bottom plate coupled and movable forwards/backwards relative to the bracket, two sliding side plates coupled between the sliding bottom plate and the bracket for longitudinal displacement with t...	03/06/2007
7136330	Optical disc apparatus for recording and/or reproducing information on/from an information surface of a rotatable optical disc An optical disc apparatus (1) for recording and/or reproducing information on/from an information surface (3) of a rotatable optical disc (5), includes a supporting assembly (7), a spindle motor (15), associated with the supporting...	11/14/2006
7123551	Optical device with optical recording medium having transparent heat radiating layer An optical recording medium and an optical recording and reproduction device including the same, wherein the optical recording medium comprises a substrate, a reflective layer formed on the substrate, a recording layer formed on the reflective layer, a first protect...	10/17/2006
7088643	Magneto optical disc drive having insertion restricting and locking portions A recording and/or reproducing apparatus for recording and/or reproducing signals on and/or from a recording medium includes a recording and/or reproducing portion for recording and/or reproducing signals on and/or from the recording medium, a carrying portion for c...	08/08/2006
6982933	Recording and/or reproducing apparatus and recording medium cartridge holder A recording and/or reproducing apparatus for recording and/or reproducing signals on and/or from a recording medium includes a recording and/or reproducing portion for recording and/or reproducing signals on and/or from the recording medium, a carrying portion for c...	01/03/2006
6807141	Planar integrated micro-optical pickup head including two planar cylindrical collimators A planar integrated micro-optical pickup head is used to perform reading and writing operations on a high-density disk. The planar integrated micro-optical pickup head includes a set of optical elements that is comprised of a beam splitter, a plurality of 45-degrees...	10/19/2004
6657925	Magneto-optical disk drive having first and second movable sliders A recording and/or reproducing apparatus for recording and/or reproducing signals on and/or from a recording medium includes a recording and/or reproducing portion for recording and/or reproducing signals on and/or from the recording medium, a carrying po...	12/02/2003
6418090	Biasing magnet positioning mechanism A biasing magnet positioning mechanism for a magneto-optical disc drive is provided a cartridge holder, a cartridge holder moving mechanism and a biasing magnet. The biasing magnet is provided with a first contact portion on a side closer to a rotational ...	07/09/2002
6370088	Photomagnetic recording/reproduction apparatus A position detecting switch SW1 detects insertion of a disk 1 into a movable holder 3. A reproducing position detecting switch SW2 detects a reproducing position RP of the disk 1. A recording position detecting switch SW3 detects a recording position RC o...	04/09/2002
6009063	Universal portable minidisk drive system A universal portable minidisk drive system adopts the (1) universal head (2) laser pin (3) timing/coordinate clock track to have the long-time, continue-playing for all the different disk media such as optic disk, magnetic disk or magnetopic disk. The uni...	12/28/1999
5956214	Magnetic head drive mechanism in photo-electro-magnetic disk drive device A magnetic head drive mechanism in a photo-electro-magnetic disk drive is so designed that a magnetic head is coupled to the end portion of a swingable arm, and, as a photo-electro-magnetic disk is loaded or unloaded, the arm is swung, to move the magneti...	09/21/1999
5729511	Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal An optical drive system includes an optical assembly, a light source capable of transmitting light through the optical assembly, an objective lens positioned to direct light between the optical assembly and a respective information storage medium, and an ...	03/17/1998
5577019	Prepulse condition/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus In an optical recording method and apparatus, the intensity of a laser beam to be radiated onto an optical recording medium is raised from an intensity Ppre for maintaining a pre-heat state, in which the temperature of the medium surface become...	11/19/1996
5428583	Magneto-optical disc recording/reproducing apparatus A magneto-optical disc recording/reproducing apparatus in which a magneto-optical disc, a disc rotating and driving unit, an optical head device, an external magnetic field generating unit and a controlling device are contained as one in an outer casing. ...	06/27/1995
5420832	Half height magnetooptical-disk recording and/or reproducing apparatus for a 5.25 inch large capacity magnetooptical-disk An optical disk recording and/or reproducing apparatus is provided which is capable of storing a large amount of information, transferring data at a high speed, supporting SCSI-1 and SCSI-2, and the reducing the size of the apparatus, particularly the hei...	05/30/1995
5329503	Magneto-optical disc recording/reproducing apparatus A magneto-optical disc recording/reproducing apparatus in which a magneto-optical disc, a disc rotating and driving unit, an optical head device, an external magnetic field generating unit and a controlling device are contained as one in an outer casing. ...	07/12/1994
5297122	Dust protection assembly for magneto-optic drive apparatus Apparatus and method for protecting the read/write lens of a magneto-optic drive apparatus using a tongue that covers the read/write lens during the opening and closing of the shutter on a cartridge as it is inserted into and as it is removed from the mag...	03/22/1994
5297116	Optical information recording/reproduction apparatus which cools components without adversely affecting operating efficiency Disclosed is an apparatus for recording information on and/or reproducing information from a disk-like recording medium with a light beam. The apparatus includes a box-like casing in which are provided a rotary drive mechanism for rotating the recording m...	03/22/1994
5291356	Disk storage device having eject member A disk storage device includes a head part for writing data to a storage disk inserted into the device and for reading data from the disk, an eject member which is operated when a disk cartridge containing the disk is ejected, a turntable for rotating and...	03/01/1994
5291462	Optical disk having playback parameters recorded thereon and method for using same There is disclosed an improved optically readable disk having an optically readable portion arranged on said disk so as to be readable by an optical reading unit and a magnetically readable and writable portion arranged on said disk so as to be both reada...	03/01/1994
5220543	Compact optical disc recording/reproducing system An optical recording/reproducing system for optically recording and reproducing an information signal on and from an optical disc (31) to be recorded with a plurality of track turns includes a light source (52); an optical head (45b) carrying an objective...	06/15/1993
5184342	Information processing device An information processing unit of the present invention stores at least information from an optical disc by directing a laser beam, under the application of a magnetic field, onto the optical disc with the information recorded thereon. The device includes...	02/02/1993
5182742	Recording and/or reproducing apparatus with a disc cartridge temperature sensor A recording and/or reproducing apparatus into which a disc cartridge accommodating a disc is loaded and in which information signals are adapted to be recorded on or reproduced from the disc. A temperature sensor is provided within the apparatus for conta...	01/26/1993
5181197	Optical disk driver and operational processing apparatus having such optical disk driver An optical disk driver using a top-loading mechanism is coupled to an operational processor, such as a personal computer. The term "a top-loading mechanism" means a mechanism for inserting and/or ejecting an optical disk via a top surface of the optical d...	01/19/1993
5132944	Half-height magneto-optic disk drive A magneto-optic disk drive includes cartridge-receiving guide tracks and a push-latch mechanism mounted in an upper portion of a half-hight enclosure, and a baseplate assembly pivotally mounted in a lower portion of the enclosure. The baseplate assembly i...	07/21/1992
5111350	Shutter opening apparatus for an information storage disk drive system In an information disk drive system, a pivoted shutter opening lever is positioned in a cartridge receiving guide in the same plane as the disk in the cartridge. The lever is mounted on a movable pivot with a shutter engaging member positioned to begin op...	05/05/1992
5101385	Magneto-optical information storage system for flexible media having maximum overwrite efficiency An information read/write storage system for reading and writing data to and from a flexible magneto-optic media is shown to include a magnetic recording member, having a recording head positioned proximate the media, for recording information onto the me...	03/31/1992
5072431	Magneto-optical disk recording apparatus A magneto-optical recording apparatus comprising an optical head shiftable in the diametrical direction of a magneto-optical disk and capable of irradiating a light beam onto the magneto-optical disk, and a magnetic head disposed to be mutually opposite t...	12/10/1991
4984225	System for applying magnetic field to opto-magnetic memory In a magnetic field generating apparatus, a coil is wound around a core and a magnetic extending section is extended from the core member. The magnetic extending section is formed into a taper form and has a magnetic field applying surface. A magnetic flu...	01/08/1991
4901303	Photo-electro-magnetic disc device A photo-electro-magnetic disc device has a photo-electro-magnetic disc accommodated in a disc cartridge load as a unit into cartridge holder loaded in the disc device. The cartridge holder with the end of a loading mechanism moves the disc onto a turn tab...	02/13/1990
4841501	Plastic substrate for optical disk and process for producing the same A recording medium for optical high-density data storage and retrieval, comprising a flat transparent plastic substrate characterized by the following relationship between the refractive index (nz) in the direction perpendicular to the flat sur...	06/20/1989
4771414	Optical pick-up apparatus An optical pick-up apparatus comprises a light beam generating source, an objective lens for causing a light beam from the light beam generating source to impinge upon a record medium and receiving a reflected light beam from the record medium, a beam spl...	09/13/1988

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Class 369/13.34 - In compact size assembly