Information recording device having variable data transfer rates

Details Information recording device having variable data transfer rates Information recording device having variable data transfer rates

1992-09-28

1994-11-08

Psitos, Aristotelis

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 32, 369 58, G11B 390

Patent

active

053633610

ABSTRACT:
An information recording device for recording digital information at a higher bit rate than that at which it is received. The difference in bit rate is compensated by an input buffer memory, read-out of a packet of information stored therein and recording thereof being periodically interrupted so as to maintain the filling level within a predetermined range. During each recording interruption, the recorded information pattern corresponding to the last recorded packet of information is read-out from the record carrier and the read-out signal is analyzed by an analysis circuit to derive an indication signal indicative of recording quality. The indication signal can be used to optimize the write parameters of the recording device, and also to determine whether re-recording of any or all of the last already recorded information packet should be performed before resuming read-out and recording of subsequent information packets from the buffer memory.

REFERENCES:
patent: 4665513 (1987-05-01), Wengler
patent: 4814903 (1989-03-01), Kulakowski et al.
patent: 4872073 (1989-10-01), Fincher et al.
patent: 4941139 (1990-07-01), Kulakowski et al.
patent: 4988277 (1984-12-01), McFarlane et al.
A page from a Search Report dated Nov. 19, 1992.

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