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| Number | Title | Issue Date |
| 7835103 | Tape drive with variable wrap reversal location A system and method for reducing tape wear in a magnetic tape system. A tape drive comprises a wrap reverse location controller. The wrap reverse location controller determines a magnetic tape reversal location. The tape drive reverses the direction of the magnetic ... | 11/16/2010 |
| 7372657 | Mechanism for minimizing unload times in a tape drive system In one embodiment, a method and apparatus for minimizing unload times in a tape drive system is disclosed. The method includes: writing to a tape in serpentine format; reaching a comparison point on the tape, wherein at the comparison point an actual capacity is com... | 05/13/2008 |
| 7262929 | Setting the rotation speed of a rotating disk memory The invention relates to a device comprising a disk drive 1 for rotating a disk memory and at least one interface enabling a data flow between a rotating disk memory and at least one other module 10, 12. In order to enable a comfortable use of such a d... | 08/28/2007 |
| 7254672 | Translation device driver for translating between disk device driver and tape device driver commands A translation device driver apparatus and method are disclosed. A first type of request is received from a disk-based file system to access a first type of storage device. The first type of storage device permits direct access reads and writes and implements update-... | 08/07/2007 |
| 7174010 | System and method for increasing completion of training Improving the frequency with which agents complete training in a call center or other constituent contact environment. Agents working in call centers are typically given periodic training to improve their skills. Training breaks are scheduled at various times throug... | 02/06/2007 |
| 7167326 | Tape drive that supports update-in-place A method in a data processing system is disclosed for permitting update-in-place in a tape drive. Data in a particular record in a tape that is mounted on the tape drive is modified. The particular record is located in a particular one of multiple different tracks i... | 01/23/2007 |
| 7167332 | Method and apparatus for recording data onto a recording medium including warning of the approach to an end of medium position Briefly described, one embodiment of a method of recording data in a sequence of data sets onto a data recording medium having a recording capacity up to an end of medium position includes the following steps: deriving a logical count of the amount of data recorded ... | 01/23/2007 |
| 7160173 | Abrasive articles and methods for the manufacture and use of same The invention provides an abrasive article, and methods for the use and the manufacture of the article. The abrasive article comprises an abrasive surface; and a performance index associated with the abrasive article, the index indicating an aspect of the abrasive p... | 01/09/2007 |
| 7064916 | Magnetic tape apparatus with cleaning medium and method of controlling same A magnetic tape apparatus for controlling a running of magnetic tape, and being able to control a cleaning medium to clean a magnetic head. The apparatus including a feed reel shaft and a take-up reel shaft respectively adapted to hold a feed reel and a take-up reel... | 06/20/2006 |
| 7042668 | Method and apparatus for generating an index location from a spin motor of a disk drive A method and apparatus for generating an index location from a spin motor of a disk drive are disclosed. A disk drive includes a motor having a plurality of commutation states, wherein changes in commutation states are controlled by an FCOM signal having FCOM pulses... | 05/09/2006 |
| 6937706 | System and method for data recording A system and method for monitoring a telephone switching environment. In a preferred embodiment the system and method simultaneously monitor both an SMDR link and a real-time CTI link, gather information about calls from both sources, and combine gathered informatio... | 08/30/2005 |
| 6934108 | Servo pattern based tape tension control for tape drives A system and method of controlling tape tension during operation of a tape drive by making use of pre-existing timing based servo patterns formatted on the media. Changes in servo pattern timing are read at regular intervals and used to calculate changes in tension,... | 08/23/2005 |
| 6934109 | Apparatus and method to monitor the relative position of a tape medium disposed in a tape drive A method to monitor the relative position of a magnetic tape disposed in a tape drive, where that tape drive includes a first tape reel motor and a second tape reel motor. The method provides a magnetic tape disposed on a first tape reel, and releaseably attaches th... | 08/23/2005 |
| 6222693 | Re-recording/re-producing device for magnetic tape and head cleaning A re-recording/re-reproducing device cleans both the magnetic tape and head of dregs which cause errors in writing and reading. A magnetic head records and reproduces input digital data to and from a magnetic tape at a normal speed. When an error in writi... | 04/24/2001 |
| 6151440 | Arrangement for segment-by-segment recording of information signals on an intermittently drivable magnetic tape In an arrangement (1) for the segment-by-segment recording of information signals by at least one rotationally drivable magnetic head (4, 5) in inclined recording tracks (2) on a magnetic tape (3) which can be driven intermittently by a tape drive device ... | 11/21/2000 |
| 6101309 | Method for detecting leading and trailing ends of video tape A method for detecting the leading and trailing ends of a video tape, which is capable of achieving an accurate detection without using any separate detecting means. The method includes the steps of determining whether or not the video tape runs at a high... | 08/08/2000 |
| 6038092 | System for reading data from a distorted magnetic tape media A characteristic of helical scan tracks is that a distortion that occurs in the written data tracks is not uniform over the entire length of the track. Therefore, segments of the helical scan track can be read even though the entirety of the helical scan ... | 03/14/2000 |
| 6038094 | Digital data recording device having a rotary cylinder A plurality of digital signals having total data rates of n bit/s or less are input to a digital recording device recording digital signals having a data rate of n bit/s. The digital signals are subjected to format-conversion for the digital recording dev... | 03/14/2000 |
| 5986843 | Writing and reading high density magnetic tapes A tape drive writes/reads tapes written in a format which stores an increased amount of data because the tracks overlap. The wide write/narrow read heads read a center portion of each track which does not have overlap. The new format is identified by the ... | 11/16/1999 |
| 5959800 | Early warning for boundary position in serpentine recording In serpentine recording on magnetic tape (32), a warning marker (CEW) is generated and recorded on tape in a write mode and is read in a read mode. The warning marker indicates that a head is approaching a boundary position on the tape at which the head m... | 09/28/1999 |
| 5946155 | Disk apparatus using stop patterns to reliably determine a stop position Three kinds of stop patterns are recorded at the same cylinder position of at least three recording surfaces of disk media. Each pattern is a division pattern in which one circumference is divided into two portions and which are recorded therein. Phases o... | 08/31/1999 |
| 5926335 | Method and apparatus of loading a cassette tape which has a detectable end Method and apparatus for loading a cassette tape which has a detectable end includes structure and steps for detecting the detectable end of the tape. Structure and steps are also provided for determining a specific point in the course of tape loading whe... | 07/20/1999 |
| 5905602 | Repeat reproduction method for magnetic tape In an apparatus for reproducing information signals from a record medium, the method for repeated reproduction of the information signals contained in a selected portion of the record medium includes the steps of counting the number of control pulses reco... | 05/18/1999 |
| 5875061 | Method and apparatus for the recording of signals Method and apparatus for recording a digital signal wherein the recording rate is higher than the available data rate. In such a situation, the available excess recording capability is used for extending the playing time by the existing storage capacity o... | 02/23/1999 |
| 5862296 | Information signal reproducing apparatus An information signal reproducing apparatus which enables the top of a recorded image to be located within a short time without a special setting operation. When a date search key and a fast-forward (FF) key are successively pressed, a search for a date c... | 01/19/1999 |
| 5847893 | Recording and/or reproducing apparatus for recording medium and recording and/or reproducing method A recording and/or reproducing apparatus adapted for allowing a recording and/or reproducing head and a recording medium to relatively be driven in a first movement direction and in a second movement direction opposite to the first movement direction in o... | 12/08/1998 |
| 5757571 | Flexible-capacity scaling for efficient access of ordered data stored on magnetic tape media Various data storage formats help to efficiently locate, read, and write user data stored on magnetic tape media. A tape is formatted by writing multiple segment-headers, free from any interleaved access of user data. Adjacent segment-headers are spaced b... | 05/26/1998 |
| 5757572 | Searching a helical autoreverse magnetic tape for a desired program information from both sides of the tape In a reproducing apparatus having the capability of reproducing data in both directions from a recording medium in the form of a tape, when a program recorded on the recording medium in the form of a tape is accessed in a high speed mode, a fast forward t... | 05/26/1998 |
| 5717537 | Magnetic tape apparatus A cartridge of a single reel is inserted and information is recorded and reproduced by a helical scan type using a rotary head. A control pulse is reproduced from a recording signal of a control track of a magnetic tape by a fixed head. A repositioning op... | 02/10/1998 |
| 5712947 | Method of recording ID signals for retrieving images, method of retrieving images, and apparatus for reproducing recorded images On tape carrying a mixture of a static image recording portion and a dynamic image recording portion, ID (identification) signals are recorded to specify only a specific static image for retrieval. During image recording, the PP (Photo/Picture) ID signal ... | 01/27/1998 |
| 5661846 | Reversely reproducing apparatus for DVCR A reproducing apparatus for a DVCR having a reverse operation function includes a data restoring portion for restoring a serial clock and reverse-serial data from an input signal; a servo portion for outputting a reverse-playback signal; an ID detector fo... | 08/26/1997 |
| 5646743 | Method for formatting a videotape and recording/reproducing to/from the formatted videotape A program filing method for a video tape recorder is disclosed. The tape is formatted into a number of regions so that the tape is arranged into a filing form, and thus, recording and reproduction is faster and more convenient by utilizing a VISS function... | 07/08/1997 |
| 5644447 | Recording or reproducing apparatus having function of searching for unrecorded part An information signal recording and/or reproducing apparatus is arranged to be capable of quickly and accurately discriminating between recording and unrecording of an information signal on a tape-shaped recording medium by detecting all of signals sequen... | 07/01/1997 |
| 5638229 | Method for detecting an information recorded position in an information reproducing apparatus A method for setting an information reader to a target information recorded position on an information recording medium in an information reproducing apparatus includes steps of reading a start position from the medium by the reader, which contacts the me... | 06/10/1997 |
| 5636077 | Automatic power-saving circuit for video recording/reproducing apparatus In a video recording/reproducing apparatus, an automatic power-saving circuit determines the existence of an input video signal and controls recording/reproducing functions accordingly, whereby recording/reproducing functions continue if an input video si... | 06/03/1997 |
| 5615062 | Rotary head type recording apparatus A rotary head type recording apparatus comprises a rotary head which is arranged to record signals on a tape-shaped recording medium by tracing the medium; a transport device for longitudinally moving the tape-shaped recording medium; a recording circuit ... | 03/25/1997 |
| 5612829 | Data recording control method of magnetic tape The present invention pertains to a data recording control method of a magnetic tape in which tape a data, constructed by combining a plurality of packets into physical blocks, is recorded, the method being such that: the entire physical block of data is ... | 03/18/1997 |
| 5606467 | Apparatus for continuous recording and reproducing of data from a magnetic tape cassette comprising a semiconductor memory A semiconductor memory is installed in a magnetic tape cassette so as to enable electric signals transmitted from the outside of the magnetic tape cassette to be recorded therein or reproduced therefrom. In addition, the magnetic tape cassette includes an... | 02/25/1997 |
| 5600505 | Skew correction in a multi-track tape recorder/player In a multi-track magnetic tape recorder/player of the type used for data storage and retrieval, with at least one read head and one write head, both being displaceable laterally relative to the direction of tape travel, and a memory to store values repres... | 02/04/1997 |
| 5572378 | Direct file access system for magnetic tape A direct file access system for a magnetic tape where all data files begin at a designated location on the tape. The direct file access system may be used with a reduced rewind data configuration to decrease data access time. The reduced rewind data confi... | 11/05/1996 |
