Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Patent
1986-10-01
1989-07-18
Stephan, Steven L.
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
365200, G11B 509, G11C 2900, G11C 1304
Patent
active
048499560
ABSTRACT:
A relay recording area is used in an information recording and reproducing apparatus for storing recording information or recorded information if a defective track or sector is found in a recording medium during data recording or reproduction. An information recording apparatus includes: an information recording medium divided into a plurality of recording areas; a record unit for recording information on the recording medium; a memory for storing information to be recorded on a first recording area of the recording medium when the information cannot be recorded on the first recording area; and a controller for controlling the record unit to record the information stored in the memory on a second recording area different from the first recording area.
REFERENCES:
patent: 4145758 (1979-03-01), Drexlex et al.
patent: 4405952 (1983-09-01), Slakmon
patent: 4420807 (1983-12-01), Nolta et al.
patent: 4558446 (1985-12-01), Banba et al.
patent: 4631723 (1986-12-01), Rathbun et al.
IBM Technical Disclosure, Defect Skipping Among fixed Length Records In Direct Access Storage Doherman, 9/76, vol. 19, No. 4, pp. 1424-1426.
Canon Kabushiki Kaisha
Stephan Steven L.
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