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Apparatus and method for controlling the conveyance of a belt in a belt conveying system

A control device and transmission system technology, which is applied in the direction of speed change/reversal device, carrier mechanical tension control, carrier speed control/regulation/indication, etc., and can solve problems such as volume density increase

Active Publication Date: 2017-12-12
IBM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This may result in the use of thinner tape material, which in turn may result in increased bulk density

Method used

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  • Apparatus and method for controlling the conveyance of a belt in a belt conveying system
  • Apparatus and method for controlling the conveyance of a belt in a belt conveying system
  • Apparatus and method for controlling the conveyance of a belt in a belt conveying system

Examples

Experimental program
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Effect test

Embodiment Construction

[0054] exist figure 1 , is shown for a tape delivery system 200 (see figure 2 ) The control device 100 for the transfer of the inner belt 208 .

[0055] The control device 100 comprises a first input terminal 106 for receiving a master speed 101 of the tape 208 indicating the speed of the tape 208 at the position of the head 203 between the external disk 206 and the internal disk 207 . The control device 100 also comprises a second input terminal 107 for receiving at least one subrate 102 and a third input terminal 113 for receiving at least another subrate 112 of the band. The sub-rate 102 corresponds to the speed of the tape 208 at the internal disk 207 and the sub-rate 112 corresponds to the speed of the tape 208 at the external disk 206 . The control device 100 also includes a fourth input terminal 111 for receiving a direction flag 110 indicating the moving direction of the belt. The fourth input terminal 111 and the direction flag 110 are optional, and the direction ...

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PUM

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Abstract

Embodiments of the present invention relate to a control device and a method for controlling the conveyance of a tape in a tape conveying system having a head, an outer and an internal disk, the head operable to read data from and / or write data to the tape, wherein the tape is movable in a forward direction from the external disk to The internal disk, or movable in the reverse direction from the internal disk to the external disk, wherein the control means is adapted to generate a control signal in accordance with the main velocity of the tape at the head and The subrate of the tape at the internal disk and / or the subrate of the tape at the external disk controls the velocity of the external disk and the velocity of the internal disk.

Description

technical field [0001] The present invention relates to a method and apparatus for controlling the transport of a tape within a tape transport system based on a primary velocity measurement of the tape and a secondary velocity measurement of the tape. Background technique [0002] In modern tape storage systems, the capacity and performance of tape storage systems have increased significantly. However, in order to achieve higher cassette or tape capacities and improved performance, further improvements are required in several respects. To achieve higher storage capacity, an increase in linear density and track density on the tape may be required. However, an increase in linear density may lead to a decrease in the distance between adjacent bit cells, which in turn may lead to an increase in inter-symbol interference. An increase in track density may result in narrower individual track widths and narrower write and / or read heads, which may require very precise control of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG11B15/43G11B15/46G11B15/54G11B15/463G11B15/1875G11B15/44
Inventor A·潘塔兹G·舍鲁比尼J·杰利托E·奥古拉
Owner IBM CORP
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