Information recording apparatus

Details Information recording apparatus Information recording apparatus

1988-04-12

1990-06-19

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

G11B 509

Patent

active

049358243

ABSTRACT:
In an apparatus for recording and/or reproducing an information signal in successive slant tracks on a record tape; an information signal is recorded by a rotary head in only a part of a respective slant track scanned by the head on the tape, coded index data formed of a plurality of blocks is generated to identify a respective recorded information signal, such as, by an absolute tape-position address counted from an end or other reference position on the record tape, a "0" index signal is provided with a predetermined number of bits representing consecutive "0" values which can be detected for identifying the beginning of an event or program defined by the information signals recorded in a number of the slant tracks, and the "0" index signal and at least one block of the coded index data are supplied to the rotary head for recording by the latter in an index area of a slant track where no information signal is recorded.

REFERENCES:
patent: 4622600 (1986-11-01), Okamoto et al.
patent: 4672480 (1987-06-01), Yamamoto

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