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7603026 Information processing method and information processing apparatus  
This invention provides an information processing method and apparatus, which can set all extent sizes of data divisionally recorded on a disk to be equal to or larger than the minimum recording...
7573484 Image processing apparatus and controlling method therefor  
An image processing apparatus for managing a memory device having a plurality of storage areas including a storage area storing out-of-use information and a free area storing no information, the...
7529462 Memory control method for a personal video recording system  
The invention relates to a PVR system ( 100 ) making choices to store or remove certain programs in or from a memory ( 102 ) in order to create space for new programs to be stored in the memory....
7459097 Method of forming a conductive pattern  
A method of forming a conductive pattern can form a conductive pattern where the aspect ratio of the height to the width is high with favorable electrical connectivity. The method includes a...
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...
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...
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...
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...
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...
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,...
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,...
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...
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...
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...
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...
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 (W 1, W 3 ) and a second set of transducing heads (W 2, W 4...
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...
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...
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...
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...
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...
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...
6671117 Magnetic writer for noise suppression in perpendicular recording media  
A transducing head for perpendicularly writing data to a magnetic medium having a recording layer and a soft magnetic underlayer comprises a perpendicular write transducer for writing data into the...
6618546 Recording/playing apparatus and contents managing method  
In a first step, contents scheduled in the “past” of a virtual channel are extracted, in a second step one of the contents is selected, in the event that judgment is made in a third step that...
6538837 Method of aligning servo wedges in a disc drive  
One embodiment of the present invention is directed to a method of aligning servo wedges of a plurality of disc surfaces in a disc drive. This process of aligning servo wedges in a disc drive...
6507448 Information recording device having a function of erasing information in a standby state  
An information recording device which records information at a high recording density such that an error rate is reduced. In particular, an information recording device that includes a recording...
6424790 Video tape recorder having control head upstream of erase head  
In a recording and reproducing apparatus having at least one program recorded to recording tracks on a recording medium, management database is recorded on the recording tracks with the program so...
6411460 Postponable servo code selection  
A servo writer for writing servo code to a magnetic tape having a width, the servo writer comprising a tape head including a plurality of write elements and being configured to write servo code to...
6272077 Magneto-optical recording medium having intermediate layer of in plane magnetization  
A magneto-optical memory medium according to the present invention comprises a reproducing layer, which has in-plane magnetization at room temperature and perpendicular magnetization when heated to...
6205419 Selective recall and preservation of continuously recorded data  
The invention relates to a process for selectively recording or recalling events, and a device therefor. The process for selectively recording events comprises the steps of: providing an...
6166870 Method for writing a servo pattern using a writer having a split top pole  
A method for writing a servo pattern onto a length of magnetic tape includes writing a first frequency signal onto a first portion along the length of the tape, and writing a second frequency...
6091564 Disk drive with calibration bursts that are recorded on a spiral and method of recording the same  
A disk drive with a disk having a servo pattern including a special "calibration track" wherein a plurality of calibration burst pairs are recorded on a spiral centerline to define null points that...
6031674 Servo pattern forming method for floppy disk  
A method of writing servo patterns to a floppy disk with use of a magnetic head having a head gap wider than the track pitch of the floppy disk, which method comprises writing a servo pattern to...
6023389 Method and apparatus for writing servo bursts with compensation for erase bands in a direct access storage device  
A method and apparatus are provided for writing servo bursts with compensation for erase bands in a direct access storage device (DASD). A first servo burst is written on the magnetic disk media...
6014279 Erasing device having a plurality of erasing modes  
An erasing device includes a first erasing mode for erasing the signal of an area of a recording medium, and a second erasing mode for erasing the signal of designated plural areas. The erasing...
5986837 Image signal processing apparatus having an erasing function  
The invention provides an image signal processing apparatus for processing an image signal. When an image signal is supplied and the input image signal is stored onto a memory medium and the image...
5933299 Magnetic recording system providing a magnetic head having opposite sides for applying different magnetic field strengths to a magnetic recording medium  
A magnetic recording system for recording information on a magnetic recording medium magnetized with a perpedicular magnetization component by a magnetic recording head so as to be reproduced by a...
5771128 Edit recording method and apparatus using erase head control  
An edit recording method and apparatus using erase head control is provided in which connection portions between programs are edited and recorded in a manner which prevents the erasure of a...
5726819 Apparatus for erasing a recording medium  
An erasing apparatus that includes a supplying device for supplying power to the apparatus, an erasing device for collectively erasing information recorded on a medium, and a control device for...
5392166 Magnetic recording and reproducing apparatus for recording and reproducing title data with video and audio data  
Apparatus and method which records and reproduces title data with video and audio data on oblique tracks on a recording medium. The video and audio data are recorded in video and audio regions,...
5361173 Devices for controlling recording and/or reproducing apparatus utilizing recorded management data and interactive information input apparatus for an electronic device  
In a storage medium, data for controlling a recording and reproducing apparatus is stored in a management database recording region provided in recording tracks. Management data recorded in the...
5359470 Magnetic recording/reproducing apparatus  
In a magnetic recording/reproducing apparatus data is recorded in the trailing portion of an area erased by an erase magnetic head, thereby surely extracting a regenerative clock at the reproducing...
5299072 Video and audio signal recording apparatus with editing-use erase heads  
A video and audio signal recorder for recording signals on tracks records signals of each editorial unit (e.g. video or audio signals of a field) on a recording medium so as to form a recording...
5296976 Magnetic recording/reproducing device  
A magnetic recording/reproducing device for recording/reproducing information signals for one recording unit over a plurality of recording tracks by helically scanning a magnetic tape with rotary...
5287228 Peak detection method and apparatus therefor  
The time interval/amplitude level difference between sequential peaks in waveforms of first reproducing signals from a recording medium is detected and stored in a storage. The time...
5253127 Video tape recorder having a special demagnetizing function  
A demagnetizing circuit of a home use video tape recorder is controlled by using means such as a control by a microcomputer or the like so as to execute a demagnetizing operation in a desired tape...
5241435 Servo information recording method for a storage apparatus  
A method of recording a servo signal on each track of a magnetic disk includes a first signal for demagnetizing the magnetic disk and a second signal for forming the servo signal. The recording...
5214545 Signal erasing apparatus  
A signal erasing apparatus continuously erases recorded signals from a plurality of selected recording tracks formed on a rotating type record bearing medium which has signals recorded in a...
5164863 Method for writing servo patterns to a disc of a hard disc drive  
A method of writing servo patterns to the surface of a disc of a hard disc drive without magnetizing the transducer head by means of which the patterns are written. The surface is initially...
5136435 Screen-splitting system for a video recording and reproducing apparatus  
A video tape recorder having provisions for erasing a desired fraction of each frame of a composite picture signal on a magnetic tape and for recording substitute picture information on the erased...
Matches 1 - 50 out of 85 1 2 >