Optical information recording medium and reproducing apparatus f

Details Optical information recording medium and reproducing apparatus f Optical information recording medium and reproducing apparatus f

1992-05-07

1993-11-09

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692751, 3692754, G11B 700

Patent

active

052609308

ABSTRACT:
A recording medium has a flat surface on which information is optically recorded. The recording medium rotates about a rotational axis normal to the flat surface. The recording medium has a first track extending around the rotational axis and a second track extending around the rotational axis along the first track. The second track has a plurality of segments, each of which being connected to adjacent segments and having a longitudinal direction different from the adjacent segments such that the second track extends in a zigzag fashion along the first track. The longitudinal direction the respective segments are oriented substantially toward the first track.

REFERENCES:
patent: 3931460 (1976-01-01), Watson
patent: 4067044 (1978-01-01), Maeda et al.
patent: 5031166 (1991-07-01), Getreuer et al.

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