17849504. TDS Mitigation Using Different Data Preamble Tones simplified abstract (Western Digital Technologies, Inc.)

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TDS Mitigation Using Different Data Preamble Tones

Organization Name

Western Digital Technologies, Inc.

Inventor(s)

Derrick E. Burton of Ladera Ranch CA (US)

Robert G. Biskeborn of Hollister CA (US)

James N. Malina of Irvine CA (US)

TDS Mitigation Using Different Data Preamble Tones - A simplified explanation of the abstract

This abstract first appeared for US patent application 17849504 titled 'TDS Mitigation Using Different Data Preamble Tones

Simplified Explanation

The patent application describes a tape drive that includes a tape head and control circuitry. The tape head has multiple data elements, each with a write transducer and a read transducer. The control circuitry is designed to control the tape head to write different frequency preamble tones before writing data to the tape.

  • The tape drive includes a tape head with multiple data elements, each having a write and read transducer.
  • The control circuitry controls the tape head to write different frequency preamble tones before writing data to the tape.
  • Each data element reads one or more preamble tones before writing or reading data from the tape.
  • The control circuitry extracts signal content from each preamble tone read by each data element.
  • The control circuitry determines an optimized positioning for the tape head with respect to the tape to reduce alignment errors.

Potential applications of this technology:

  • Data storage: This tape drive technology can be used in data storage systems where high capacity and reliability are required.
  • Archiving: The tape drive can be used for long-term data archiving, providing a cost-effective and efficient solution.
  • Backup systems: The tape drive can be used in backup systems to securely store and retrieve data.

Problems solved by this technology:

  • Alignment errors: The technology helps reduce alignment errors by optimizing the positioning of the tape head, improving data read and write accuracy.
  • Data integrity: By using different frequency preamble tones, the technology ensures accurate data transfer and reduces the risk of data corruption.

Benefits of this technology:

  • Improved data reliability: The optimized positioning of the tape head reduces alignment errors, resulting in more reliable data storage and retrieval.
  • Cost-effective solution: Tape drives are known for their high storage capacity and cost-effectiveness compared to other storage technologies.
  • Efficient data transfer: The use of different frequency preamble tones ensures accurate data transfer, improving overall system efficiency.


Original Abstract Submitted

The present disclosure generally relates to a tape drive comprising a tape head and control circuitry. The tape head comprises a plurality of data elements, each data element including a write transducer and a read transducer. The control circuitry is configured to control the tape head to write at least three different frequency preamble tones prior to writing data to data tracks of a tape. A different preamble tone is written to adjacent data tracks of the tape. The data elements of the tape head are each configured to read one or more preamble tones prior to writing data to or reading data from the tape. The control circuitry is then configured to extract a signal content from each preamble tone read by each data element, and determine an optimized positioning for the tape head with respect to the tape to reduce alignment errors.

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