System for decoding coded data with PLL

Details System for decoding coded data with PLL System for decoding coded data with PLL

2011-08-23

2011-08-23

Alphonse, Fritz (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S776000, C714S799000

Reexamination Certificate

active

08006167

ABSTRACT:
A system for decoding coded data printed in ink on a surface is provided. The coded data has a registration structure which has at least two clock tracks indicative of a position of the coded data in the direction perpendicular to an alignment direction and two alignment lines for each clock track. The two alignment lines are indicative of the position of the respective clock track. The system has a decoder for determining, using an alignment phase-locked loop (PLL), a position of the alignment lines for a respective clock track, determining, using the position of the alignment lines, the position of each respective track, and updating the alignment PLL.

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