304 results about "Magnetic tape" patented technology

Systems and methods are disclosed for retrieving information from legacy storage media with high fidelity and minimal contact. A read sensor with multiple read elements detects electromagnetic fields from tracks on a storage medium. Readings from different elements are combined to generate a composite interpretation, which can be used to, for example, generate digitized waveforms and determine if portions of tracks are damaged.

The magnetic tape includes a non-magnetic support, and a magnetic layer containing a ferromagnetic powder. A rate of change in an area ratio of a protrusion having a height of 5 nm or more and 10 nm or less, which is obtained by measuring a measurement region of 5 μm×5 μm on a surface of the magnetic layer before and after 1000 reciprocating slides with respect to an LTO 8 head at a head tilt angle of 15° in an environment of a temperature of 35° C. and a relative humidity of 80%, with an atomic force microscope, is 10.0% or less.

The objective is to provide a component mounting device, tape feeder, and cassette that can be made more compact. [Solution] The tape feeder 22 has a transport path 32 having an inlet and an outlet, and a tape transport section which, when a carrier tape CT containing parts BH is inserted into the inlet, transports it along the transport path 32 and supplies the parts BH to a parts removal position 22K in the middle of the transport path 32. The mounting head 13 picks up the parts BH from the parts removal position 22K and mounts them on the substrate KB. The cassette 23 has a storage section 55 for storing the carrier tape CT and a tape tip holding section 60 for holding the leading edge of the carrier tape CT stored in the storage section 55. The tape feeder 22 also has a cassette mounting section 39 for mounting the cassette 23.

1. The name of the design product: magnetic tape player (F-023). 2. The use of the design product: a player for playing magnetic tapes. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view.

This invention provides a tape suitable for edge treatment processing to cover the end faces of blanks used in paper containers. [Solution] One aspect of the present invention is a tape having a thermoplastic resin on its surface, used for processing the end faces of blanks used as the body of paper containers. The thickness of the tape is 25 to 200 μm. In the end face processing described above, the tape is positioned so that its longitudinal direction coincides with the longitudinal direction of the end face of the blank, and the tape is folded back so that the approximate center of the longitudinal direction of the tape becomes a fold, and is attached to one side and the other side of the blank so as to cover the end face of the blank.

An automatic tape processing device according to the present invention comprises: a feeding device that conveys a carrier tape, which is loaded on a tape feeder and obtained by adhering a cover tape to the top surface side of a base tape provided, at a fixed pitch, with cavities for accommodating components therein; a cutting device that cuts the base tape and the cover tape at cutting locations; and a control device that determines the cutting locations of the base tape and the cover tape according to the type of tape feeder, and controls operation of the feeding device and the cutting device such that the base tape and the cover tape are cut at the determined cutting locations.

A servo reproduction apparatus according to the present technology includes: a servo reproduction head. The servo reproduction head includes a first reproduction head portion and a second reproduction head portion. The first reproduction head portion reads a servo pattern recorded on a plurality of first servo bands, which are some of a plurality of servo bands in a magnetic tape including the plurality of servo bands. The second reproduction head portion reads a servo pattern recorded on a plurality of second servo bands, which are others of the plurality of servo bands.

A laser printer may include one or more printing platforms, each supporting a cassette from the plurality of cassettes while printing occurs on the cassette; one or more cassette hoppers, each receiving at least one of the plurality of cassettes and feeding the at least one of the plurality of cassettes to at least one printing platform; a laser emitting device for emitting a laser beam to print on the plurality of cassettes; and a method comprising: receiving information indicative of a cassette size for the selected cassette, loading the selected cassette on a printing platform, aligning the selected cassette on the printing platform with a focus plane of the laser beam based on the received information indicative of the cassette size for the selected cassette, printing the marking on a printing surface of the selected cassette; and releasing the selected cassette from the printing platform after printing the marking.

The invention discloses an HDFS (Hadoop Distributed File System) intelligent hierarchical storage method and system based on multi-dimensional popularity perception and tape library integration, and belongs to the technical field of distributed file systems, and the method comprises the following steps: expanding HDFS metadata to construct a unified namespace; acquiring data block access features and dynamically dividing hot, warm and cold data by using a K-means clustering algorithm; executing a self-adaptive grading strategy: adding a copy to hot data and storing in an SSD (Solid State Disk), maintaining a default copy to warm data and storing in a disk, and migrating cold data to a tape library and storing by adopting an erasure code; scattered storage and fault tolerance of relevance perception are realized through a message queue; metadata persistence and periodical re-evaluation are carried out, and automatic migration and dynamic adjustment of data among the SSD layer, the disk layer and the tape library layer are achieved. By adopting the method and the system, the storage strategy and the data access value are accurately matched, the storage cost is finally reduced, and the system I / O performance and the resource utilization rate are improved.

Beginning of wrap (BOW) data set reading and writing for tape drives is provided. In response to reaching an end of wrap (EOW) while writing to tape, a tape directory (TD) is updated to include first data set information for a first data set written at the EOW of a first wrap. A second data set is written using normal write procedure from a BOW of a second wrap, the second wrap following the first wrap. The first data set information is overwritten with second data set information for the second data set written at BOW. When reading a BOW data set from tape, data set information is read from a TD. Based on determining whether the data set information corresponds to a BOW data set, a target Data Set ID and a target Tape Write Pass are set for reading the BOW data set.

The magnetic tape includes: a non-magnetic support; and a magnetic layer containing a ferromagnetic powder, in which a contact angle with water, which is measured on a surface of the magnetic layer, is 95° or more and 105° or less, and standard deviation σ of the contact angle in a width direction of the surface of the magnetic layer is 1.0° or less.

1. The name of the design product: tape machine (HY-906). 2. The use of the design product: for playing audio. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A tape connecting device (1) and a method for connecting a first tape to a second tape for providing a tape string. In the tape connecting device (1) when continuously conveying the first tape an end section of the first tape is connected to a start section of the second tape by an adhesive connection by a liquid (in particular water) arranged in a connecting section. Furthermore, the invention relates to a method for connecting two tapes, a processing system and a use of a method. The inventive tape connecting device (1) and the method can in particular be used for a continuous provision of a security tape for a security document as a banknote.

Provided is a magnetic recording medium comprising a non-magnetic support and a magnetic layer containing ferromagnetic powder, and further comprising a non-magnetic layer containing non-magnetic powder between the non-magnetic support and the magnetic layer. The average pore diameter of the magnetic layer and the non-magnetic layer is 30.0 nm or less, and the standard deviation of the pore diameter distribution of the magnetic layer and the non-magnetic layer is 30.0 nm or less.

Provided are a method, system, and computer program product in whichdata is encoded for a plurality of tracks of a tape of a tape drive, by using an error correction code (ECC) scheme that applies a single code with code word symbols that are at least 10 bits. The code word symbols are interleaved along and across parallel tracks of the tape in the tape drive.

Provided is a system, method, and computer program product for minimizing high resolution tape directory (HRTD) recovery time when a HRTD is invalid. A tape drive may load a tape in the tape drive. In response to receiving a write command or a read command at a beginning of tape (BOT) position, the tape drive may execute the write command or the read command without performing HRTD recovery. In response to receiving the write command or the read command at a position other than the BOT position, the tape drive may determine if the HRTD is valid. In response to determining the HRTD is not valid, the tape drive may clear a timer.

A wireless charging module (30, 40, 50, 60, 70), comprising a magnetic core (31, 41, 51, 61, 71), a coil (32, 42, 52, 62, 72), and a magnetic tape (T). The coil (32, 42, 52, 62, 72) and the magnetic tape (T) are disposed on a surface of the magnetic core (31, 41, 51, 61, 71) and surround a central axis (Z6, Z7) of the magnetic core (31, 41, 51, 61, 71). A curved section (T1) of the magnetic tape (T) is located between each two adjacent curved portions (621, 721) of the coil (32, 42, 52, 62, 72) in a horizontal direction, and the horizontal direction is perpendicular to the central axis (Z6, Z7).

The storage device comprises a shell structure, a magnetic tape module, an electric storage module and a control module, wherein the control module is used for writing small particle data into the electric storage module and writing large particle data into the magnetic tape module. The electric storage module can be used for storing small-particle data so as to improve the efficiency of reading and writing the small-particle data, and the magnetic tape module can be used for providing large-capacity storage capacity. The invention further provides a data processing method, and the efficiency of reading and writing the small-particle data can be improved.

1. Name of the designed product: magnetic tape cassette. 2. Use of the designed product: cassette for storing magnetic tape. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points most: design 1, perspective view 1. 5. Design 1 is designated as the basic design.

A magnetic tape drive and an assembly for a tape drive are disclosed herein. The disclosed magnetic tape drive comprises a SAS-compliant tape drive module; and a USB-C to SAS assembly having one or more controllers operatively coupled to a USB-C connector and a SAS connector. The SAS connector of the USB-C to SAS assembly is operatively coupled to the SAS-compliant tape drive module. The USB-C to SAS assembly is configured to enable the magnetic tape drive to interface a USB-C-compliant computing device with the SAS-compliant tape drive module, and the USB-C to SAS assembly is configured to transmit tape commands received at the USB-C connector to the SAS-compliant tape drive module via the one or more controllers and the SAS connector. The assembly includes a SAS connector, a USB-C connector, and one or more controllers operatively coupled to the SAS connector and the USB-C connector.

The magnetic tape includes a non-magnetic support, and a magnetic layer containing a ferromagnetic powder, in which a half-width of a frictional force, which is measured on a surface of the magnetic layer with a lateral force microscope, is 200 mV or less, and standard deviation σ of the half-width of the frictional force in a width direction of the surface of the magnetic layer is 50.0 mV or less.

The present invention provides a magnetic tape having a non-magnetic support and a magnetic layer containing a strong magnetic powder, in a small-angle X-ray scattering spectrum of the non-magnetic support obtained by small-angle X-ray scattering measurement, in a region where q is 0.5 to 1.5 A-1, a ratio of a scattering intensity I at a q value q max at which a maximum of a rate of change of the scattering intensity is present to a scattering intensity I max at which a minimum of the rate of change of the scattering intensity is present is 2.7 or more, q min < 1.5 A-1 min < 0.5 A-1 max < 0.5 A-1 min < 0.5 A-1 min < 0.5 A-1 max and a glass transition temperature Tg of the non-magnetic support is 140°C or more, a magnetic tape cartridge including the magnetic tape, and a magnetic recording and reproducing apparatus.

The product in question is a tape cartridge for a tape printer that is used by being attached to the tape printer. The parts for which the design registration is sought are the display unit and part of the main body that allow the tape printer to detect various information about the product.

Disclosed are a tape drive device and a storage system, which relate to the technical field of tapes. By means of using a tape winding assembly to temporarily store tape bodies between different positioning members, even after a tape slides past a target tape region aligned with a magnetic head, the length of the tape between different positioning members can still be controlled by means of the tape winding assembly, such that the moved magnetic head can access the target tape region, thereby solving the problem of the latency being relatively high caused by frequent reversals of a motor-driven tape in the tape drive device, reducing IO latency in the tape drive device, and facilitating an improvement in the data read / write efficiency of the tape drive device.

To provide a magnet tape which may contribute to operational stability improvement of a drive during recording and / or reproduction after prolonged storage.SOLUTION: A magnetic tape comprising a non-magnetic support body and a magnetic layer containing ferromagnetic powder, a magnetic tape cartridge comprising the magnetic tape, and a magnetic tape device are provided. The number of recesses with circle-equivalent diameters of 0.15 to 0.25 μm, inclusive, present on a surface of the magnetic layer is 100 to 2500, inclusive, per 40 μm×40 μm area. A standard deviation σ of the number of recesses in a width direction of the surface of the magnetic layer is 100 or less.SELECTED DRAWING: None

The invention provides a magnetoelectric disk, a magnetoelectric memory and a data storage system. The magnetoelectric disc comprises a magnetic tape and a tape winding disc used for winding the magnetic tape, the magnetic tape comprises a data tape and non-data tapes arranged on the two sides of the data tape in the length direction of the data tape, and the non-data tape on at least one side of the data tape is provided with a magnetic head brush. When the magnetic head brush passes through the magnetic head, the magnetic head brush can be used for cleaning the magnetic head.

The product in question is a tape cartridge for a tape printer that is used by being attached to the tape printer. The parts for which the design registration is sought are the display unit and part of the main body that allow the tape printer to detect various information about the product.

The invention relates to the technical field of magnetic tape units, in particular to a magnetic tape driver, a magnetic tape unit and a storage system.The magnetic tape driver comprises a read head, an analog equalization circuit and a digital processing chip; the read head is coupled with the analog equalization circuit, the analog equalization circuit is coupled with the digital processing chip, and the analog equalization circuit comprises an active filter; wherein the read head is used for reading an original analog signal from a magnetic tape of a magnetic tape unit and outputting the original analog signal to the analog equalization circuit; the analog equalization circuit is used for performing data equalization on the original analog signal through an active filter to obtain a first analog signal and outputting the first analog signal to the digital processing chip; the frequency response curve of the first analog signal is closer to the frequency response curve of a target signal type than the frequency response curve of the original analog signal, and the target signal type comprises partial response signals; and the digital processing chip is used for converting the analog signal into a digital signal and processing the digital signal. According to the embodiment of the invention, the order of the digital filter in the magnetic tape unit can be reduced.

The invention discloses a near cloud NAS storage management method and device based on a magnetic tape and a storage medium, and relates to the technical field of data processing, and the method comprises the steps: when a file access request initiated through a network attached storage NAS access protocol is received, analyzing a logic path corresponding to a target object file in the file access request; querying target file metadata corresponding to the target object file in a metadata set based on the logic path, and judging whether the target object file is currently located in a magnetic tape or not according to the target file metadata; if yes, the target object file is migrated from the tape to the disk based on the target file metadata, and the target object file is accessed in the disk after migration is completed, the technical problems that in the prior art, tape storage online access delay is high, and quick response cannot be achieved are solved, and quick access is achieved through the disk while the low-cost storage advantage of the tape is kept.