Information carrier and devices for scanning the information...

Details Information carrier and devices for scanning the information... Information carrier and devices for scanning the information...

2007-02-13

2007-02-13

Wellington, Andrea (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Format arrangement processing for auxiliary information

C369S059240, C369S047270, C369S275300

Reexamination Certificate

active

11210398

ABSTRACT:
A predetermined synchronization pattern (40), a so-called VFO field, in, for example, the headers3of an information carrier, consists of sequences of 3T marks and spaces (41), of 8T marks and spaces (42) and of 5T marks and spaces (43). This sequence of patterns is advantageous for setting the dynamic range of an Automatic Gain Controlled (AGC) amplifier located within a device reading the information carrier.

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R. Van Woudenberg, Optical Disc System for Digital Video Recording, JJAP manuscript ii9920, revised Nov. 24, 1999.

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