Partial ROM type optical disk and its recording and reproducing

Details Partial ROM type optical disk and its recording and reproducing Partial ROM type optical disk and its recording and reproducing

1992-04-07

1994-06-14

Argenbright, Tony M.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

3692752, G11B 7007

Patent

active

053216733

ABSTRACT:
An optical disk provided with a ROM area for reproduction only, in which information for reproduction only and first retrieval information for retrieving the information for reproduction only are recorded in embossed shape and a rewritable area in which information can be additionally recoded or rewritten, wherein on the basis of each of a plurality of additionally recording and rewriting logical specifications of respective appliances utilizing the optical disk, the first retrieval information is converted into second retrieval information, wherein the second retrieval information corresponds to at least one of the appliances and is recorded in the rewritable area together with third retrieval information for the additionally recordable and rewritable information so as to be additionally recordable or rewritable, and an apparatus for recording and reproducing the optical disk.

REFERENCES:
patent: 5150339 (1992-09-01), Ueda et al.
K. Meissner, "CD-ROM: Device, system integration and standardization", Philips Telecommunication and Data Systems Review, vol. 44, No. 3, pp. 18-81 (Dec. 1986).
"File Access Method Which is File System Independent", IBM Technical Disclosure Bulletin, vol. 33, No. 1A, pp. 322-323 (Jun., 1990).

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