Patent Number: 6,763,429

Title: Method and apparatus for recording and playing back information

Abstract: A recording method and apparatus includes first and second recording media. A first portions of information to be recorded is stored on the second recording medium as leading information. Subsequent portions of information to be recorded are stored on the second recording medium as temporary information. The leading information is read out and stored on the first recording medium. The temporary information then follows. As the temporary information is transferred from the second to the first recording media, new information is read into the second recording medium. A playback method and apparatus includes reading out leading information stored on the second medium. Meanwhile, information is read out of the first recording medium and stored to the second recording medium as temporary information. As the temporary information is played back from the second recording medium, new information is read in from the first recording medium.

Inventors: Hirayama; Hiroshi (Yokohama, JP)

Assignee: Hitachi, Ltd.

International Classification: G06F 12/00 (20060101); G11B 20/10 (20060101); G11B 19/02 (20060101); G06F 012/00 ()

Expiration Date: 07/13/2021