`
`Patents and Technology Marketing
`Division of Mechanical, Chemical.
`Electrical and Biological Technologies
`
`Suite 201
`1100 Washington Avenue South
`Minneapolis, MN 55415-1226
`612-624-3545
`Fax: 612-624-6554
`
`Date: May 11, 1999
`
`Stephen R. Pomraning
`Intellectual property manager
`Lucent Technologies
`600 Mountain Avenue
`Room 2F-184
`Murray Hill, NJ 07974-0636
`
`Dear Mr. Pomraning,
`
`Mr. Jaeckyun Moon from the University from Minnesota has developed a coding scheme to
`improve storage capacity of magneto-optical storage devices such as hard disks and DVDs.
`
`In brief, the invention consists of an algorithm for reducing error rates of sequence estimation
`detectors used in digital recording and storage devices. By eliminating certain error-prone binary
`data patterns, the algorithm reduces the overall error rate during the process of reading data from
`storage medium. These error-prone data patterns are commonly encountered in magneto-optical
`storage devices such as hard disks and DVDs and in digital subscriber line (DSL) modems. The
`demonstrated reductions in bit error rate (BER) during reading from a disk can enable an increase
`of 20-40% in its areal storage capacity.
`
`We are looking for commercial partners to use this technology. We have a patent on this
`invention and the technology is available for license.
`
`We have enclosed a copy of the patent (#5,5859,601). Please review it and let me have your
`comments.
`
`Thank you
`
`Kiran P. Saindane
`Patents and Technology Marketing
`Suite 201
`1100 Washington Avenue South
`Minneapolis, MN 55415-1226
`Tel: 612-625-7569
`E-mail: kiran@ortta.umn.cdu
`
`Encl: Patent copy
`
`Confidential -- Attorneys' Eyes Only Information
`
`won
`los
`111495 The
`
`UMN_0000916
`
`LSI Corp. Exhibit 1015
`Page 1
`
`
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