Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1984-09-12
1986-11-25
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
242198, G11B 2308
Patent
active
046252533
ABSTRACT:
A magnetic tape cassette for use in a magnetic recording/reproducing apparatus has a sliding plate provided on a lower surface to selectively cover and expose insertion apertures that open into the interior of the cassette. A front lid is provided which may be pivoted to either expose or cover a front opening in the cassette through which tape may be withdrawn for a recording/reproducing operation. When the front lid is in its closed position and the sliding plate covers the insertion apertures, the front lid is locked in its closed position. The magnetic tape cassette is thereby closed to prevent dust, oil and other contaminants from damaging the magnetic tape within.
Horikawa Norikazu
Kawakami Kenji
Yamamoto Yoshinori
Bussan Matthew J.
Eslinger Lewis H.
Sinderbrand Alvin
Sony Corporation
Wolff John H.
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