Patent Number: 6,337,948

Title: Digital signal recording apparatus which utilizes predetermined areas on a magnetic tape for multiple purposes

Abstract: A signal which is to be used in high-speed playback is recorded in a predetermined region of a track. An error correcting check code region for recording an error correcting check code is formed at a position adjacent to the predetermined region. In accordance with the usage, an error correcting check code for high-speed playback, an error correcting check code for normal playback, or predetermined fixed data is recorded in the error correcting check code region. In a digital VTR which records and plays back data at plural kinds of data rates, trick playback data are recorded so that a head scans a subcode area or a VAUX area in high-speed playback at a predetermined tape running speed in each record mode. An area for recording an error correcting check code is used as an area for, in addition to an error correcting check code for normal playback, recording an error correcting check code for trick playback, normal playback data, or trick playback data.

Inventors: Shinohara; Junko (Tokyo, JP), Inoue; Sadayuki (Tokyo, JP), Yamasaki; Tatsuo (Tokyo, JP), Onishi; Ken (Tokyo, JP)

Assignee: Mitsubishi Denki Kabushiki Kaisha

International Classification: G11B 27/00 (20060101); G11B 15/18 (20060101); G11B 20/18 (20060101); G11B 20/12 (20060101); G11B 27/30 (20060101); G11B 15/467 (20060101); H04N 9/804 (20060101); H04N 5/783 (20060101); G11B 15/12 (20060101); G11B 15/02 (20060101); H04N 9/797 (20060101); H04N 9/82 (20060101); H04N 9/87 (20060101); H04N 9/877 (20060101); H04N 5/7826 (20060101); H04N 5/7824 (20060101); H04N 005/91 ()

Expiration Date: 01/08/2019