Data recording system and method having logical overrecording ca

Details Data recording system and method having logical overrecording ca Data recording system and method having logical overrecording ca

1992-02-28

1996-05-14

Lane, Jack A.

Dynamic magnetic information storage or retrieval

Head

Core

360 722, 369 84, G06F 1200, G11B 1518, G11B 586

Patent

active

055175996

ABSTRACT:
A recording and reproducing system which has the capability of recording user data and system format data in physical blocks of predetermined size on a recording area of a tape, with the user data being identified by files and contained in data blocks having a predetermined size. Partial overrecording of data blocks can be performed in that physical blocks are retained which have valid data blocks, and new physical blocks are then recorded beginning with a rewritten data block.

REFERENCES:
patent: Re31311 (1983-07-01), Miller
patent: 4637023 (1987-01-01), Lounsbury et al.
patent: 5134529 (1992-07-01), Inazawa et al.
patent: 5142422 (1992-08-01), Zook et al.
H. Goto et al., "A New Concept of Data/Dat System" IEEE Transactions on Consumer Electronics, vol. 35, No. 3, Aug. 1989 pp. 660-670.
"Proposed SMPTE Standard for Television Digital Component and Composite Recording" SMPTE Journal, Mar. 1992, pp. 190-203.
John Watkinson, "The D-2 Digital Video Recorder", Focal Press 1990 pp. 143-183.

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