Compact disc drive apparatus having an interface for transferrin

Details Compact disc drive apparatus having an interface for transferrin Compact disc drive apparatus having an interface for transferrin

1986-04-07

1989-01-31

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 52, 371 38, 364900, G11B 2110, G06F 308

Patent

active

048021520

ABSTRACT:
A drive apparatus for an optical disc read system. An interface is provided to a host controller for reading out data on a compact disc. The read out data is converted from parallel to serial format, and transmitted with a clock stream to the host controller. Host controller commands are transmitted to the drive apparatus which recognizes the command as either allowable or non-allowable. The interface provides signalling to the host controller of drive error conditions, spin up
on-spin up conditions, and non-allowable command situations for the controller.

REFERENCES:
patent: 3478324 (1969-11-01), Couleur et al.
patent: 4086636 (1978-04-01), Cizmic et al.
patent: 4413340 (1983-11-01), Odaka et al.
patent: 4587643 (1986-05-01), Monen et al.
patent: 4639863 (1987-01-01), Harrison et al.
patent: 4641295 (1987-02-01), Furukawa et al.
patent: 4680764 (1987-07-01), Suzuki et al.

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