Method for indicating a sector on a data medium and data...

Details Method for indicating a sector on a data medium and data... Method for indicating a sector on a data medium and data...

2007-07-03

2007-07-03

Tran, Thang V. (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Having specific code or form generation or regeneration...

C369S059250

Reexamination Certificate

active

10729192

ABSTRACT:
For indicating on a data medium (9) a sector referenced by a binary word (16) formed of a number M of first bytes each comprising a number L of bits, the method includes steps of etching onto the data medium locally at this sector a succession of M second bytes each corresponding to a first byte, each second byte being equal to a vector of N components, each with a value of +1 or −1, such that N=2L−1 and such that the scalar product of said vector with any other vector to which another second byte is equal, is at most equal to +1. The data medium (9) is, for example, an optical disk.

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