Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7301726 | Banded LZT CSS zone A magnetic recording disk having a non laser zone texturing (LZT) band in the contact-start-stop (CSS) zone. The width of the non-LZT band in the CSS zone may be greater than the width of a read and/or write element of a head and less than the width of a center pad ... | 11/27/2007 |
| 7292407 | Disk drive with support structure for disk-vibration capacitive sensors A data recording disk drive has one or more capacitive sensors for sensing out-of-plane vibration of the disk or disks. The sensors are attached to a support structure that is attached to the disk drive housing. Each sensor is associated with a disk and faces a surf... | 11/06/2007 |
| 7239475 | Disk drive with airflow diverter filter component A disk drive including a disk drive base, a disk coupled to the disk drive base, and a head stack assembly coupled to the disk drive base. The disk drive further includes an airflow diverter filter component disposed upstream of the head stack assembly with respect ... | 07/03/2007 |
| 7212377 | Disk drive having apertures near the ID of a disk stack for allowing airflow to pass through the apertures to reduce disk flutter A disk drive includes a disk clamp for clamping a plurality of disks to a spindle motor, and a disk spacer positioned between first and second disks. The first disk has a plurality of first disk through apertures adjacent its inner diameter. The first disk through a... | 05/01/2007 |
| 7177116 | System, method, and apparatus for applying boundary layer manipulation techniques to the air flow inside rotary disk storage devices A system, method, and apparatus for solving flow-induced track misregistration (TMR) problems in hard disk drives (HDD). Boundary layer manipulation techniques are applied to the airflow in the HDD, such as boundary layer suction with slots or holes, and wall dampin... | 02/13/2007 |
| 7155807 | Method of centering media disks on the hub of a spindle motor in a hard disk drive A method for centering and securing data storage disks to the hub of a spindle motor in a hard disk drive has a chamfer and a countersink on the top of the spindle motor shaft center. During the hard disk drive assembly process, a disk centering tool engages and use... | 01/02/2007 |
| 7046469 | Hard disk drive A hard disk drive is disclosed which is highly reliable against environmental changes. A breather hole is formed in an enclosure which houses therein a magnetic disk and a magnetic head. An opening/closing control mechanism is provided in the breather hole. The open... | 05/16/2006 |
| 7024755 | Method balancing a disk pack in a hard disk drive A method of using a balance clip in a hard disk drive spindle motor for disk pack balance correction provides the balance clip with one end that is offset from the circular shape of the balance clip. The offset end is located opposite the precise bent tab that provi... | 04/11/2006 |
| 6969006 | Rotable portable card having a data storage device, apparatus and method for using same A portable card adapted to be used in a card processing system having a data processing station is shown. The portable card includes a data storage device which is adapted to interact with a data processing station when a portable card and a data processing station ... | 11/29/2005 |
| 6876516 | Disk drive having a reinforcing arrangement against an external stress applied thereto In a disk drive for using a disk cartridge including a magnetic disk, a reinforcing arrangement is coupled to a main frame, a main board fixed to the main frame, and a head assembly which is movable in a radial direction of the magnetic disk. The reinforcing arrange... | 04/05/2005 |
| 6873493 | Disk drive having a reinforcing arrangement against an external stress applied thereto In a disk drive for using a disk cartridge including a magnetic disk, a reinforcing arrangement is coupled to a main frame, a main board, and a disk receiving/ejecting mechanism which is for receiving and ejecting the disk cartridge. The reinforcing arrangement resi... | 03/29/2005 |
| 6736872 | Gas collecting method and gas collecting apparatus A disk apparatus having an open inner structure and a collector liquid, which are housed in a hermetically sealed collecting container, are heated to a certain collecting temperature by a heating mechanism so as to permit a gas to be generated from the disk apparatu... | 05/18/2004 |
| 6490124 | Member for removing foreign particles within a cartridge storing space of a disk cartridge to be inserted into/removed from a disk drive apparatus To perform a high dustproof when a disk drive apparatus records and/or reproduces information signals on a disk shape recording medium, which is stored rotatably within a disk cartridge. The present invention provides a disk drive apparatus for recording ... | 12/03/2002 |
| 6407881 | Disk apparatus having a shock absorbing member for a read/write head A disk apparatus includes a disk loading device which loads a disk from an insert/eject position to a read/write position, the disk having a first surface and a second surface. A head device records information to and/or reproduces information from the di... | 06/18/2002 |
| 6369977 | Magnetic disk device Return channels 45a, 45b, 45c, and 50 are formed to guide air flowing through a clearance between a magnetic disk (11) and a shroud (41) so that the air flows behind a voice coil motor, bypasses a loading/unloading mechanism (31) and flows toward a region... | 04/09/2002 |
| 6147835 | Foreign object for electronic device drive slots A drive slot guard device for the drive slot of an electronic apparatus includes a first planar portion attachable to media cartridge and insertable with the media cartridge into the drive slot of an electronic device, and a second portion for blocking ac... | 11/14/2000 |
| 6091587 | Inertial latch mechanism for restraining components in a disk drive An apparatus protects an actuator from shock forces. The apparatus comprises an inertial latch that has two opposing latch members. In response to a force from a first direction, the first latch member operates to force the actuator to a predetermined pos... | 07/18/2000 |
| 6061204 | Contaminant seals for removable disk drives A removable media data storage drive with improved protection from ambient contamination is provided. A first foam strip covered with a strip of plastic, at the bottom of the opening in the front panel of the disk drive, seals the opening against contamin... | 05/09/2000 |
| 6031686 | Disk drive with reinforced frame plate structure made of two thin metal plates adhered together, and a reinforcing bead formed thereon A disk drive comprises a frame plate having a principal surface on which a receiving portion for receiving a disk and a recording/reproducing unit for carrying out recording/reproducing operations onto and from the disk are provided. The frame plate compr... | 02/29/2000 |
| 5719731 | Locking device for preventing unauthorized access to floppy disk drives of personal computers A locking device (10) is inserted within the disk drive (11) of a personal computer (12) to prevent unauthorized use thereof. The locking device (10) includes a part of pivoted plates (15, 16) retained in their expanded locking position by a key-operated ... | 02/17/1998 |
| 5546257 | Protection and cleaning device for a disk drive A non-rotational, air filtering, head cleaning, and head cushioning device for a disk drive comprising a member and rigid support structure adapted to allow insertion of the device into a disk drive. The member, preferably comprising urethane-impregnated ... | 08/13/1996 |
| 5530603 | Floppy-disk air and dust dam An apparatus for blocking air and dust from entering a floppy disk drive. A floppy disk has a compressible non-porous dam (a non-porous foam strip material) attached to the front-tip edge of the floppy disk. When the floppy disk is inserted into the drive... | 06/25/1996 |
| 5485327 | Magnetic memory device having a perfluro-polyether film coated on an inner surface of its housing for entrapping dust Mechanical components including a magnetic head 3 and a magnetic disk medium 4 are contained in a housing 6 separating from outside atmosphere 5. A perfluoro-polyether film 9 is coated on the inner surface of said housing 6 and the upper surface of a base... | 01/16/1996 |
| 5434737 | Flexible disk assembly and a flexible disk device with a working environment display function A flexible disk assembly having a detector for detecting at least one of temperature and humidity to determine whether the working environment is in an adequate condition for use of the flexible disk assembly, which detector is incorporated in a case of t... | 07/18/1995 |
| 5365388 | Disk drive constructed to isolate motor vibration A disk drive has a stator positioner disposed on a shoulder of a drive shaft housing which is part of the spicule. The positioner secures the stator against movement and references the motor to the spicule which engages and guides the cartridge. An open-c... | 11/15/1994 |
| 5335217 | Optical information recording and reproducing apparatus An optical disk apparatus optically records and reproduces data from an optical information recording medium by an optical head. A first chamber is formed to accommodate at least an optical disk cartridge accommodating therein the recording medium and the... | 08/02/1994 |
| 5278712 | Removable disk drive having two heads formed with a gimbal structure A removable disk system includes a disk which can be recorded on both surfaces thereof and a disk drive for recording input data on tracks on both surfaces of the disk. The disk drive includes head means having two heads for recording information on both ... | 01/11/1994 |
| 5268809 | Protection device for a computer diskette drive A protection device for a diskette drive of a computer includes an access prevention member locatable in an access opening of the diskette drive and operable to inhibit insertion of a diskette into the diskette drive. Locking means retains the access prev... | 12/07/1993 |
| 5245490 | Disc recording and/or reproducing apparatus including a head positioning mechanism having a spiral cam for positioning a head at a reference position A magnetic disc recording and/or reproducing apparatus in which a magnetic disc cassette containing a magnetic disc provided with a center hub is loaded so that the center hub engages with a rotary shaft of a disc rotating motor to rotate the magnetic dis... | 09/14/1993 |
| 5210665 | Floppy disk apparatus having an improved disk rotating mechanism A magnetic recording/reproduction apparatus including a motor for rotating a magnetic recording medium such as a floppy disk. The motor has a rotating shaft, a pivot bearing member for supporting the rotating shaft in a thrust direction; a dynamic pressur... | 05/11/1993 |
| 5148337 | Controlled rate adsorbent and disc drive stabilizing unit A combined controlled rate adsorbent and disc drive stabilizing unit in the shape of a computer disc including an adsorbent of planar shape, a casing of porous material having a predetermined water vapor transmission rate encasing the adsorbent for prolon... | 09/15/1992 |
| 5107384 | Magnetic recording and reproduction device having opposed magnetic heads A magnetic recording and reproduction device having magnetic heads opposing each other across a magnetic disk. The heads have shaped control portions to generate a negative pressure between the magnetic heads and the magnetic disk in association with rota... | 04/21/1992 |
| 5061537 | Magnetic disk comprising a flexible substrate and a plastic film each having a specified Young's modulus and which meet specified thickness relationships A magnetic disk comprising an annular flexible substrate and a magnetic layer on at least one substrate major surface is provided with a plastic film ring or a pair of plastic film rings along the outer periphery of the disk. The ring is adhesively secure... | 10/29/1991 |
| 4974104 | Linear actuator disk file with symmetric housing A data recording disk file includes a disk stack subassembly and a linear actuator, both of which are supported by a single-piece casting which forms part of the disk file housing. The casting is symmetric about two perpendicular planes and includes an op... | 11/27/1990 |
| 4928194 | Anti-static support for a cartridge in a disk drive A disk drive includes an anti-static plate held against a plastic jacket of a cartridge assembly for neutralizing the effect of a static electrical charge accumulated on the plastic jacket. The plate is particularly effective in connection with a magnetic... | 05/22/1990 |
| 4907111 | Locking device for floppy disk drives A device for locking a floppy disk drive so that the drive can not be used to read the files stored on the diskettes. The preferred embodiment of the device is made of two assemblies, one of which includes a blank diskette which is inserted in the open em... | 03/06/1990 |
| 4881142 | Magnetic disc unit employing temperature compensation A magnetic head supporting member, on which is mounted a magnetic head for recording and/or reproducing of information on a magnetic disc, is mounted on a magnetic head driving motor through a temperature-compensating member. Owing to the above constructi... | 11/14/1989 |
| 4868700 | Cleaning device for disc drive unit A cleaning device for cleaning a read/write head of a floppy disc drive unit comprises a plate member for insertion in the floppy disc receiving area. A cleaning member formed by a backing material with a plurality of upstanding tufts of fibres to clean t... | 09/19/1989 |
| 4835638 | Disk cartridge loading and ejecting mechanism in recording/reproducing apparatus A disk cartridge loading and ejecting mechanism for a recording/reproducing apparatus has: a cartridge holder for receiving a disk cartridge which is movable between a cartridge loading position and a cartridge ejecting position; a loading lever for movin... | 05/30/1989 |
| 4743989 | Plural magnetic disk assembly A device and process for stabilizing two coaxially joined flexible magnetic disks is disclosed. Two or more flexible magnetic disks are coaxially joined by a coaxially located spacer. One of the disks is juxtaposed to and rotated against a flat stable Ber... | 05/10/1988 |
