Company Filing History:

8 out of 12

Overland Data, Inc.

patents

3 out of 40

Overland Storage, Inc.

patents

3 out of 19

Cipher Data Products, Inc.

patents

4. 1 out of 832,718

Other

patents

Years Active: 1980-2003

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6597526 - Magnetic tape drive apparatus including a variable rate encoder (2003-07-22),

2. 6543024 - Write format for digital data storage (2003-04-01),

3. 6513139 - Digital data recording channel (2003-01-28),

4. 6363512 - Digital data recording channel (2002-03-26),

5. 6260171 - Digital data recording channel (2001-07-10),

6. 6249396 - Magnetic media having partitioned and presaturated data tracks (2001-06-19),

7. 6167550 - Write format for digital data storage (2000-12-26),

8. 5931968 - Digital data recording channel (1999-08-03),

9. 5898534 - Method and system for controlling the position of a magnetic read head (1999-04-27),

10. 5819309 - Automated tape cartridge library with accelerated calibration (1998-10-06),

11. 5815514 - Variable rate bit inserter for digital data storage (1998-09-29),

12. 5712863 - Randomizing encoder for digital data storage (1998-01-27),

13. 4500965 - Capstanless magnetic tape drive with electronic equivalent to length of (1985-02-19),

14. 4206890 - Tape position sensing apparatus for magnetic tape drive (1980-06-10),

15. 4184180 - File protect and amount of tape sensing apparatus (1980-01-15),

Title: Martin D Gray: Innovator in Magnetic Data Storage

Introduction

Martin D Gray is a prominent inventor based in La Jolla, CA (US), known for his significant contributions to the field of magnetic data storage. With a total of 15 patents to his name, Gray has developed innovative technologies that enhance the efficiency and reliability of data recording systems.

Latest Patents

Among his latest patents, Gray has developed a magnetic tape drive apparatus that includes a variable rate encoder. This invention comprises a magnetic recording system featuring a partial response, maximum likelihood recording channel that incorporates fixed frequency read signal sampling and a digital timing control loop. Such a system is particularly suitable for magnetic tape recording systems that experience a high degree of media speed variation during the read and write processes. Another notable patent is a format for digital data storage, which utilizes variable rate encoding. This encoder monitors an input bit stream for sequences associated with selected readback characteristics and inserts additional bits where necessary to improve the characteristics of the stored bit stream.

Career Highlights

Throughout his career, Martin D Gray has worked with notable companies such as Overland Data, Inc. and Overland Storage, Inc. His work in these organizations has contributed to advancements in data storage technologies.

Collaborations

One of his notable coworkers is William M Barton, Jr., with whom he has collaborated on various projects in the field of magnetic data storage.

Conclusion

Martin D Gray's innovative work in magnetic data storage has made a significant impact on the industry. His patents reflect a commitment to improving data recording technologies, ensuring that they meet the evolving needs of users.

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