Recording apparatus having a function to prevent recording of a

Details Recording apparatus having a function to prevent recording of a Recording apparatus having a function to prevent recording of a

1994-03-08

1996-04-30

Hindi, Nabil Z.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369291, G11B 700

Patent

active

055131620

ABSTRACT:
A disk accommodating housing and a recording apparatus which can protect written data in a divisional data area of a recording medium with certainty where the data should not be erased inadvertently or in error are disclosed. A recording medium having first and second areas is accommodated in the housing which has an indicator for indicating one of first, second and third modes. The recording apparatus detects the mode indicated by the indicator and operates in accordance with the mode. In the first mode, writing or erasing operations into or from the first and second areas of the recording medium by a recording head are enabled; in the second mode, a writing operation into the first area is enabled while a writing operation into the second area is inhibited; and in the third mode, writing operations into both of the first and second areas are inhibited.

REFERENCES:
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patent: 4995029 (1991-02-01), Kobayashi et al.
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patent: 5253246 (1993-10-01), Leonhardt et al.
patent: 5272693 (1993-12-01), Fujisawa
patent: 5295082 (1993-11-01), Gniewek et al.
patent: 5414684 (1995-05-01), Nonaka et al.

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