Recording apparatus using a tape cassette with a memory

Details Recording apparatus using a tape cassette with a memory Recording apparatus using a tape cassette with a memory

1994-04-20

1996-02-20

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Recording-or erasing-prevention

360 48, G11B 1504, G11B 509

Patent

active

054934559

ABSTRACT:
A memory is provided in a tape cassette and it consists of a program information area for recording information on each program recorded on a tape and a tape information area for recording information on the entire tape. If this tape cassette is used by a video cassette recorder having a full function to drive the memory and by a video cassette recorder having a limited function to drive it, the program information recorded in the memory is consistent with the programs actually recorded on the tape. For example, a tape erasing prevention flag is set in the tape information area, while a program erasing prevention flag is set for each program in the program information area. In a different example, a tape inconsistency flag is set in the tape information area, while a program inconsistency flag is set for each program in the program information area. The data in the memory can be corrected by using such flags according to the programs actually recorded on the tape.

REFERENCES:
patent: 5055947 (1991-10-01), Satoh

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