Neuroimaging as a Marketing Tool
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| Number | Title | Issue Date |
| 5717888 | Accessing cached data in a peripheral disk data storage system using a directory having track and cylinder directory entries In a data storage system having a direct access storage device (DASD) and a cache, a cache directory has two types of directory entries. A track directory entry TDE identifies up to one DASD track of data records currently stored in cache. All records sto... | 02/10/1998 |
| 5715216 | Data storage method having a columnar array of storage receptacles that also are input-output and a data device at one end of the columnar array Data storage apparatus having an array of cartridge-storing receptacles with a media device at one extremity of the array, provides cartridge input-output either at all of the receptacles or at a predetermined number of such receptacles. The media device ... | 02/03/1998 |
| 5687156 | Calibration of lasers that produce multiple power output levels of emitted radiation A laser calibration apparatus and method first calibrates a maximum laser power level. Then lesser laser power levels are calibrated. A separate calibration pattern is used for calibrating each of the laser power levels. The calibration patterns used for ... | 11/11/1997 |
| 5666337 | Data storage apparatus having a columnar array of input-output storage receptacles with physical interlock means Data storage apparatus having an array of cartridge-storing receptacles with a media device at one extremity of the array, provides cartridge input-output either at all of the receptacles or at a predetermined number of such receptacles. The media device ... | 09/09/1997 |
| 5511228 | Apparatus and method for employing a host mode setting command to turn-off or leave-on a laser in an optical disk drive In an optical disk drive, upon each power on or disk receipt, a mode control is set to non-operate, i.e., no commands can be received unless a mode setting command has been received. All other commands are rejected for preventing any access to an optical ... | 04/23/1996 |
| 5481691 | Cache page replacement using sequential LIFO and non-sequential LRU cast out A computer system includes a cache and a data storing system. The data storing system uses a write-once read-many (WORM) disk for storing computer data. The disk stores data in addressable so-called continuation chains. The cache stores pages of data in s... | 01/02/1996 |
| 5471631 | Using time stamps to correlate data processing event times in connected data processing units A host processor(s) is loosely-coupled by a plurality of data channels to a peripheral subsystem(s). The host processor(s) has a time of day clock. The peripheral subsystem(s) has a cluster(s) that performs peripheral controller functions. Each cluster ha... | 11/28/1995 |
| 5444690 | Leaf spring lock for a carriage in a media player that is actuated by the carriage and position of a cartridge An optical disk player has a controller circuit board attached to a cartridge receiver. A universal head, actuator (head carriage) and spindle motor assembly (HASA) module is attached to the receiving mechanism. The actuator carries an optical head assemb... | 08/22/1995 |
| 5440686 | Selecting a data unit candidate to be demoted to a backing store from a front store based upon thresholds individual to each of the data candidates A record media (optical disk) automatic library (back store) houses a plurality of record media for selective mounting in any one of a plurality of media drives (front store). Each record medium has one or more addressable recording surfaces termed data u... | 08/08/1995 |
| 5420834 | Optical disk recorders using disks coatings close to outer surfaces with optical path extending through a thick transparent substrate A magnetooptical disk has two axially space-apart translucent recording layers. Each translucent recording layer is axially closer to an outer surface of the disk than to the other recording layer. This geometry enables closely axially disposing a magneti... | 05/30/1995 |
| 5414570 | Tape marks recorded in user data blocks having identifications of the recorded tape marks Information bearing signals are recorded in one of a plurality of record formats on one record medium, such as a magnetic tape, magnetic disk, optical disk, and the like. The format selected may be commanded or based upon record lengths, in bytes. When th... | 05/09/1995 |
| 5394534 | Data compression/decompression and storage of compressed and uncompressed data on a same removable data storage medium A data file having a plurality of data blocks is divided into one or more transfer units of data blocks. Before data storage, each transfer unit of data blocks is subjected to its own data compression cycle to create a group of compressed data blocks. The... | 02/28/1995 |
| 5384669 | Combining small records into a single record block for recording on a record media Information bearing signals are recorded in one of a plurality of record formats on one record medium, such as a magnetic tape, magnetic disk, optical disk, and the like. The format selected may be commanded or based upon record lengths, in bytes. When th... | 01/24/1995 |
| 5369652 | Error detection and correction having one data format recordable on record media using a diverse number of concurrently recorded tracks A data storage system has error detecting and correcting system having three error codes. The data are arranged logically as a three-dimensional array consisting of a plurality of logically rectangular blocks of data. Each block of data has columns and ro... | 11/29/1994 |
| 5347651 | System for allocating worm optical medium file storage in groups of fixed size addressable areas while tracking unrecorded areas and end of volume A removable optical disk of the write once type is managed to minimize size of the control area for user data recorded on the disk. Instead of recording each recorded file indicating token (serial number) as each file is recorded, a maximum value file tok... | 09/13/1994 |
| 5335328 | Methods for recording and reading data from a record member having data in any one of a plurality of block formats including determining length of records being transferred Information bearing signals are recorded in one of a plurality of record formats on one record medium, such as a magnetic tape, magnetic disk, optical disk, and the like. The format selected may be commanded or based upon record lengths, in bytes. When th... | 08/02/1994 |
| 5321824 | Accessing last recorded data in a continuation chain A write-once read-many (WORM) disk stores data in continuation chains. Each chain being arranged as a plurality of groups of contiguous datastoring areas (such as disk sectors, clusters of sectors, tracks and the like). The groups are separated on the dis... | 06/14/1994 |
| 5303214 | Multi-media-type automatic libraries A data storage system has a media cartridge library subsystem. The subsystem includes a cartridge storage array which has receptacles for removably receiving cartridge holding bins. Each bin stores a plurality of cartridges in slots. The slots are arrange... | 04/12/1994 |
| 5293565 | Fortmat for data-storing disk media wherein addressable track angular length is independent of disk revolutions Data-storing disks, preferably each disk having a single spiral track, have addressable tracks that are independent of the length of disk or spiral track revolutions. Each revolution may contain a non-integral number of addressable tracks and sectors. An ... | 03/08/1994 |
| 5289319 | Apparatus and method for detecting physical orientation of a position system and for calibrating an optimum control for the system that is usable in optical disk recorders A rotary positioner is rotatably mounted upon a reciprocating carriage of a optical disk drive. To detect and indicate one of a plurality of possible orientations of the disk drive, a side bias force is applied to the rotary positioner in a direction orth... | 02/22/1994 |
| 5274772 | Data processing systems having means for selectively combining records into signal blocks for recording in a record medium Information bearing signals are recorded in one of a plurality of record formats on one record medium, such as a magnetic tape, magnetic disk, optical disk, and the like. The format selected may be commanded or based upon record lengths, in bytes. When th... | 12/28/1993 |
| 5272692 | Data storage member having areas in which intensity-modulated signals are overlaid with magneto-optically recorded signals A magnetooptic disk has circumferentially-spaced-apart, radially-aligned embossed sector areas which indicate data storage tracks. The sector areas include embossed signals which indicate track following information, and in a second area which trails the ... | 12/21/1993 |
| 5268808 | Disk cartridges made from unitary blanks Four embodiments of disk cartridges are described. Each embodiment is made from a unitary blank of foldable material, such as paperboard or plastic. The cartridges are particularly useful for containing and protecting 130 mm optical disks. Shown are inter... | 12/07/1993 |
| 5257251 | Single loop servo-positioning systems having means for changing the dynamic range of a position-error signal with speed of the relatively movable members A single loop servo is used for positioning a lens holding element with respect to an optical disk. The dynamic range of the error signal used in the positioning is dynamically frequency shifted such that the servo summing of the error signal with a refer... | 10/26/1993 |
| 5233585 | Acquiring focus in an optical disk system using a time and shape modified focus error signal The focus acquire system on optical disk recorder as well as other optical systems, signal processes a focus error signal FES to produce a modified FES which has a peak amplitude occurring closer to a desired focus position than the occurrence of peak amp... | 08/03/1993 |
| 5220546 | Operating optical disk drives including calibrating a tracking error signal An optical disk recorder has a fine actuator which holds an objective lens and which is movably mounted on a head carriage. Servo systems connected to the head carriage and the fine actuator cause the fine actuator to seek and track follow based upon sign... | 06/15/1993 |
| 5204847 | Sensing previously-recorded information while recording or erasing a magnetooptic storage number A magnetooptic storage member is scanned by a single laser beam. The beam intensity is sufficient to heat a localized area of the storage member to be above the Curie temperature for enabling reversing the remanent magnetization of the localized area. Suc... | 04/20/1993 |
| 5204848 | Adjusting amplitude detection threshold by feeding back timing-data phase errors When an optical disk recorder having readback circuits is used with pulse width modulated (PWM) signals a phase error of a clocking system with respect to the phase of a data signal is used to generate an amplitude detection threshold offset for serving o... | 04/20/1993 |
| 5200864 | Combining small records into a single record block for recording on a record media Information bearing signals are recorded in one of a plurality of record formats on one record medium, such as a magnetic tape, magnetic disk, optical disk, and the like. The format selected may be commanded or based upon record lengths, in bytes. When th... | 04/06/1993 |
| 5185733 | Calibrating lasers for optical recording using a maximal readback signal amplitude as a criterion A magnetooptic recorder uses a magnetooptic disk for any predetermined number of radially inward tracks which are designated as calibration tracks. One of the calibration tracks is selected as a laser calibration track. The selected track is high powered ... | 02/09/1993 |
| 5185734 | Calibrating and power-protecting laser drive circuits An optical disk recorder has a laser driven by a digital analog converter (DAC). During initialization a pair of comparators actuated at minimum and at maximum power levels for actuating a microprocessor to calibrate a DAC 23 between the minimum and maxim... | 02/09/1993 |
| 5172381 | Enhanced data formats and machine operations for enabling error correction A record medium, such as a magnetic tape, optical disk, magnetic disk, and the like stores data signals and error redundancy signals. Resynchronization signals are interleaved between the recorded signals such that the error redundancy signals are usable ... | 12/15/1992 |
| 5166935 | Method of determining correctness and contents of control data structures in moving media data storage systems An optical disk has four copies or sets of its control data structures. The control data structure includes a disk definition structure DDS, a primary defect list PDL, and a secondary defect list SDL. Procedures are described for checking to whether or no... | 11/24/1992 |
| 5165089 | Optical disk players having readback circuits with noise rejection and read signal retiming In an optical disk player, such as for a magnetooptic player, wherein the data recorded on the optical medium are at recording at such high densities then intersymbol interference causes the peaks of the readback signals to become closer together resultin... | 11/17/1992 |
| 5164932 | Acquiring a best focus using a focus signal offset A focus acquisition system includes providing a focus offset and changing the offset symmetrically for each measurement cycle. The amplitudes of the readback or tracking error signal are sensed and compared. When the amplitudes of the tracking error or re... | 11/17/1992 |
| 5146576 | Managing high speed slow access channel to slow speed cyclic system data transfer A cached DASD controller is illustrated which is attached to a high speed serial channel, such as an optical fiber channel. The data rate of the serial channel is much greater than the data rate of a DASD connected to the controller. The serial channel ha... | 09/08/1992 |
| 5138594 | Reducing amplitude variations of optical disk readback signals and increasing reliability of track-crossing counts An optical disk recorder includes disk reflectance calibration means for measuring variations in disk reflectance over the recording area of the disk. Correction factors based on measured reflectance for adjusting sensed signal level and gain reduce the e... | 08/11/1992 |
| 5138282 | Plural phase-lock loops sharing a common frequency control A magnetic tape readback system is disclosed for a multi-track tape player. A single phase lock loop is provided for the channel circuits used for reading signals from the respective tracks on a multi-track tape. A common frequency determining circuit mea... | 08/11/1992 |
| 5136569 | Optical disk recorder for diverse media types and having a predetermined initialization or start-up procedure An optical disk recorder is capable of operating with diverse types of optical media. A device initialization procedure is repeated for each receipt of each optical medium. Such procedure includes moving an objective lens to an extreme radial position, de... | 08/04/1992 |
| 5134602 | Calibrating optical disk recorders to some parameters during disk spin up while deferring calibration of other parameters This disclosure deals with an optical disk recorder/player (drive) of the type that receives a removable disk for signal exchanging operations. Once a disk is inserted into the drive, the rotation of the disk begins a period of accelerating rotational spe... | 07/28/1992 |