Recording and reproducing apparatus for recording media
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 3, 1998
Grant Date -
N/A
app pub date -
Jan 29, 1996
filing date -
Jan 30, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for recording and reproducing data on a storage medium and a recording method for recording data in a storage medium. The recording of a new information item is permitted on the condition that the total number of slots managing the unrecorded parts and the recorded parts is smaller than the predetermined number of slots. The start and end addresses of the part to be erased are compared with the respective end and start addresses of the unrecorded parts; and, if there are any consecutive addresses, two parts are joined at a boundary between consecutive addresses. The joined parts set to correspond to one slot which includes the entire new unrecorded part. A memory area corresponding to addresses of the data storage area is allocated to a work memory. Small areas divided by respective start and end addresses of the recorded parts are extracted from the memory area. Then the memory area is provided with portions left by the extraction as unrecorded areas, and start and end addresses of the unrecorded parts are stored into empty slots.
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