Apparatus from reproducing address data on a disk

Details Apparatus from reproducing address data on a disk Apparatus from reproducing address data on a disk

1991-08-23

1994-03-08

McElheny, Jr., Donald E.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

369 59, G11B 700

Patent

active

052933687

ABSTRACT:
An apparatus for reproducing address data recorded on a disk record medium with an information signal which is recorded on the same by forming pit portions in response to the information signal included a pickup for optically reproducing the recorded data and signals is provided. Also the apparatus includes a circuit for generating a sampling pulse from the recorded data and signals so that the sampling pulse occurs substantially beginning position of a mirror portion beginning the pit portions, a circuit for sampling and holding the recorded data and signals by the sampling pulse, and a circuit for decoding an output signal of the sampling and holding means so as to generate the address data.

REFERENCES:
patent: 4744069 (1988-05-01), Sugiyama et al.
patent: 4751695 (1988-06-01), Kaku et al.
patent: 4907216 (1990-03-01), Rijnsburger

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