Information recording medium having optically readable data code

Details Information recording medium having optically readable data code Information recording medium having optically readable data code

1995-09-22

1999-03-02

Huber, Paul W.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

360 48, 360 47, G11B 370, G11B 509

Patent

active

058780238

ABSTRACT:
A dot code consists of a group of plurality of blocks arranged in a matrix manner, and each block has markers, an array direction detecting code, a block address, and block recorded data. A dot code in which two rows and (N/2) columns of N blocks having block addresses 1 to N are arranged and which has an effective code width CEW is doubly provided, i.e., two such dot codes are recorded parallel on an information recording medium. A recording code width CRW in this case is twice the effective code width CEW.

REFERENCES:
patent: 5124536 (1992-06-01), Priddy et al.

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