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Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 8040629 | Bit and track patterned recording A method of performing information storage comprises the steps of providing a medium comprising a plurality of concentric rings for storage of information. The medium is written to by a process comprising simultaneously writing and erasing elements in at least two a... | 10/18/2011 |
| 7920351 | Method of setting AC erase frequency and AC erase method based on data frequency A method of setting an AC erase frequency using a data frequency of a disk area and an AC erase method. The method of setting the AC erase frequency includes obtaining a data frequency for each disk area, and setting an AC erase frequency for each disk area based on... | 04/05/2011 |
| 7706093 | Perpendicular magnetic recording medium, manufacturing method thereof and magnetic recording device A servo pattern is positioned in a DC erased portion to which a DC erase process has been performed, and recording tracks and track groove portions (discrete portions) are positioned in an AC erased portion to which an AC erase process has been performed. The track ... | 04/27/2010 |
| 7394607 | Disk drive with position detection Embodiments of the invention provide a disk drive capable of writing information on data tracks even more positively when a shingle write method is adopted. In one embodiment, the disk drive is characterized in that, when information is to be written on a plurality ... | 07/01/2008 |
| 7319569 | Servo writer A servo writer is provided, which applies DC magnetization to a zone of a magnetic tape that is in advance subjected to AC erasing and writes a servo signal onto the DC magnetized zone. The servo writer has a DC erasing head and a servo signal writing head. The DC e... | 01/15/2008 |
| 7271967 | System and method for determining whether defect in perpendicular recording disk drive is from thermal asperity or defect in magnetically soft underlayer A method for determining whether a spike in a read back signal from a read head positioned over a perpendicular recording disk having a magnetically soft underlayer (SUL) is caused by a defect in the SUL or by a thermal asperity (TA). A first read back signal with t... | 09/18/2007 |
| 7248427 | Method and apparatus for reducing velocity errors when writing spiral servo information onto a disk surface The present invention is directed to a method and apparatus for reducing velocity errors when writing spiral servo information onto a disk surface of a disk drive. In one embodiment, a servo track writer is provided for moving a write head at a controlled velocity. ... | 07/24/2007 |
| 7230782 | Correlation receiver for demodulating servo track information A correlation receiver, among other functions, detects peaks of a correlation signal. The correlation receiver includes a master peak detector for determining whether an amplitude of a pulse of the correlation signal exceeds by at least a first delta an amplitude of... | 06/12/2007 |
| 7221544 | Magnetic recording apparatus and magnetic head Formation of magnetic domains in a perpendicularly magnetized medium comprising an underlayer of a soft magnetic layer is prevented by appropriate magnetic domain control in the soft magnetic layer. One method controls magnetic domains of the soft magnetic layer by ... | 05/22/2007 |
| 7206167 | Servo write method for magnetic tape A batch fabrication technique is described that increases the manufacturing efficiency of servo write heads and also improves servo pattern definition for fine features, while reducing tape and head wear. Multiple heads are fabricated as a batch from one or more fer... | 04/17/2007 |
| 7199957 | Write head alignment for full amplitude time-based servo The invention is directed to a servo writing apparatus having accurate alignment of write gaps of servo write heads. In particular, the write gaps substantially align in a servo channel corresponding to a servo band of a magnetic data storage tape. The servo band is... | 04/03/2007 |
| 7184241 | Disk drive that performs cold writes to erased buffer A disk drive includes a rotatable data storage disk, a transducer, an actuator, and a controller. The transducer is configured to read and write data on the disk. The actuator is configured to position the transducer relative to defined portions of the disk. The con... | 02/27/2007 |
| 7184081 | Image processing apparatus which prevents a panoramic image or sequence of consecutive images from being partially lost due to accidental erasure thereof An image processing apparatus prevents a panoramic image or a sequence of consecutive images from being partially lost due to the accidental erasing of an image composing the panoramic image or the sequence of consecutive images. When the user selects an image to be... | 02/27/2007 |
| 7167333 | Method and apparatus for writing and reading servo information written in a spiral fashion A method and apparatus for writing spiral servo information onto one or more disk surfaces at a variable velocity using a servo track writer (STW) is provided. In one embodiment, a variable velocity profile is chosen so that spiral crossing angles across the disk su... | 01/23/2007 |
| 7154628 | Job secure overwrite failure notification An apparatus and method for erasing jobs from a marking device's non-volatile memory includes a monitor and notification system to detect and make a user aware of failure of the erasure. The notification system can offer alternate methods of erasure as part of the n... | 12/26/2006 |
| 7142388 | Servo writer and servo writing process A servo writer according to the present invention is a servo writer which writes a servo signal on a servo band of a magnetic tape. It comprises a magnetic tape driving system in which a magnetic tape supplied from a supply reel is taken up by a take-up reel to driv... | 11/28/2006 |
| 7139144 | Method and apparatus for writing spiral servo information by modifying existing servo track writing equipment A method and apparatus for writing spiral servo information is provided. In one embodiment, a servo track writer having a digital signal processor is provided. The servo track writer also includes a clock head, which reads a clock track from a disk surface to genera... | 11/21/2006 |
| 7136254 | Servo write head assembly and servo writer A servo write head assembly comprises an AC demagnetizing head that slides in contact with a magnetic tape all of which surface is magnetized in one direction of longitudinal directions thereof, and demagnetizes a data band of the magnetic tape; a servo write head t... | 11/14/2006 |
| 7132880 | High bandwidth, high PSRR, low dropout voltage regulator A voltage regulator may include one or more features for generating high PSRR. For example, source follower devices may be included in the voltage regulator for providing current sources for the output voltage nodes. The source followers may be sensitive to power su... | 11/07/2006 |
| 7133245 | Servo write head assembly and servo writer A servo write head assembly comprises an AC demagnetizing head that slides in contact with a magnetic tape all of which surface is magnetized in one direction of longitudinal directions thereof, and demagnetizes a data band of the magnetic tape; a servo write head t... | 11/07/2006 |
| 7133239 | Methods and apparatuses for writing spiral servo patterns onto a disk surface Methods and apparatuses for writing spiral servo patterns on a disk surface are disclosed. In one embodiment, a method is provided to write servo information onto a disk surface in spiral patterns in a non-sequential manner. In another embodiment, a thermal warm-up ... | 11/07/2006 |
| 7099121 | Perpendicular magnetic recording head having a reduced field under the return pole and minimal eddy current losses A perpendicular magnetic recording head comprises a write pole having a pole tip adjacent to an air bearing surface, a return pole, a pedestal for magnetically coupling the write pole to the return pole, a coil for inducing magnetic flux in the write pole, and a shi... | 08/29/2006 |
| 7099559 | Image processing device for processing images which are recorded in a recording medium and a method thereof An image processing device gives an alarm if deletion of image is directed in a state that the image has not yet been transferred from an image recording medium into a storage medium having a larger capacity. Also, when a deletion operation is performed for image, t... | 08/29/2006 |
| 7088537 | Removing residual magnetization in a data transducer Method and apparatus for removing residual magnetization in a data transducer, such as a recording head used to write data to a recording medium in a data storage device. A residual magnetization sense circuit senses a residual magnetization of a pole of the data tr... | 08/08/2006 |
| 7085084 | Magnetic disk apparatus and servo pattern recording method therefor A magnetic disk apparatus and a servo pattern recording method therefor, enabling writing of servo signal with high quality, without being affected with ill influences due to fluctuation on a rotation speed when conducting the self servo write operation, comprises: ... | 08/01/2006 |
| 7050255 | System and apparatus for assembly level disk erase A disk erase apparatus for erasing information on one or more disks in a disk drive uses a high strength magnetic field to erase the disks while the disks are in the HDD assembly. The design of the head disk enclosure provides a reduced thickness in a localized regi... | 05/23/2006 |
| 7035036 | Method and apparatus for writing servo data with perpendicular magnetic recording in a disk drive There is disclosed a servo writing method in which servo data is recorded by a perpendicular magnetic recording system. In the servo writing method, at the time of perpendicular magnetic recording of the servo data on a disk, a servo writing operation is executed in... | 04/25/2006 |
| 7026810 | Method for testing or recording servo signal on perpendicular magnetic recording media An object is to automatically detect the positions of spike noise, create a distribution diagram, and perform pass/fail decisions. The cross-correlation function of the signal waveform from a magnetic head 1 and a reference waveform simulating spike noise is ... | 04/11/2006 |
| 6995934 | Noise suppressed data storage media Magnetic data storage media having recording layers that include microscopic surface protrusions are described. A recording head of a magnetic drive may contact the protrusions, i.e., the protrusion tops may define a load bearing surface area of the recording layers... | 02/07/2006 |
| 6987631 | Data read/write method and apparatus An apparatus and method of reading and writing data from and to a data storage device is provided. One method of practicing the present invention comprises placing, or leaving an unused track, row or column adjacent to a medium track containing apparatus information... | 01/17/2006 |
| 6985323 | Alternating-azimuth angle helical track format using grouped same-azimuth angle heads A helical scan tape recorder (30) comprises a rotatable scanner (85) upon which is mounted a first set of plural transducing heads (W1, W3) and a second set of transducing heads (W2, W4). A transport system transports magnet... | 01/10/2006 |
| 6985322 | Perpendicular recording and read head assembly with in situ stand alone stabilizer for a magnetic medium underlayer A data storage apparatus includes a magnetic medium having a top recording layer of hard magnetic material for perpendicularly storing magnetic data and a bottom underlayer of soft magnetic material, a read head for reading magnetic data from a recorded portion of t... | 01/10/2006 |
| 6952317 | Amplitude-based servo patterns for magnetic media The invention is directed to a magnetic storage medium recorded with an amplitude-based servo pattern in which one or more first servo windows positioned above a centerline of a servo track have a different width than one or more second servo windows positioned belo... | 10/04/2005 |
| 6952320 | Virtual tracks for repeatable runout compensation The present invention relates to repeatable runout (RRO) compensation of servo control systems that can be used in disc drives or spin-stands. The RRO relates to eccentricity between servo tracks, which were written onto a disc prior to the installation of the disc ... | 10/04/2005 |
| 6947262 | Magnetic reading head A magnetic reading head is provided. The magnetic reading head reads information recorded on a recording medium having a soft underlayer and a magnetic layer stacked on the soft underlayer, and includes a magneto-resistive element and a pair of shield layers. The ma... | 09/20/2005 |
| 6914405 | Interface component for a positioning system and method for designing an interface component An interface component for a positioning system. The interface component includes a positioning arm having a first end and a second end, the first end being positionable against an object to be positioned and the second end being attachable to an actuator arm of the... | 07/05/2005 |
| 6816330 | Method for forming a magnetic pattern in a magnetic recording medium, magnetic recording medium magnetic recording device and photomask A method for forming a magnetic pattern in a magnetic recording medium, which includes irradiating energy beams to a magnetic recording medium having a magnetic layer on a substrate via a photomask having a transmitting portion and a nontransmitting portion to heat ... | 11/09/2004 |
| 6779080 | Serial data storage system with automatically adjusted data protection to implement worm media with limited overwrite allowing write appending In a data storage subsystem, drive-level processing treats data storage media as WORM by automatically advancing a write append limiter as data is written, and preventing changes to data occurring before the write append limiter. Despite this media's WORM nature, th... | 08/17/2004 |
| 6760535 | Method and apparatus for cache management for a digital VCR archive An apparatus marks files within a content archive. The content archive contains a database that has a plurality of content files. The content archive also contains a plurality of entries or records. Each of the entries corresponds to a distinct one of the plurality ... | 07/06/2004 |
| 6718120 | Magnetic recording and reproduction method and apparatus In a recording and reproduction method for recording digital data on magnetic tape by a helical scanning method or for reproducing digital data recorded on magnetic tape by the helical scanning method, a plurality of sectors are generated in each track on the magnet... | 04/06/2004 |
